/* Collect static initialization info into data structures that can be
|
/* Collect static initialization info into data structures that can be
|
traversed by C++ initialization and finalization routines.
|
traversed by C++ initialization and finalization routines.
|
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
|
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
|
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
|
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
|
Free Software Foundation, Inc.
|
Free Software Foundation, Inc.
|
Contributed by Chris Smith (csmith@convex.com).
|
Contributed by Chris Smith (csmith@convex.com).
|
Heavily modified by Michael Meissner (meissner@cygnus.com),
|
Heavily modified by Michael Meissner (meissner@cygnus.com),
|
Per Bothner (bothner@cygnus.com), and John Gilmore (gnu@cygnus.com).
|
Per Bothner (bothner@cygnus.com), and John Gilmore (gnu@cygnus.com).
|
|
|
This file is part of GCC.
|
This file is part of GCC.
|
|
|
GCC is free software; you can redistribute it and/or modify it under
|
GCC is free software; you can redistribute it and/or modify it under
|
the terms of the GNU General Public License as published by the Free
|
the terms of the GNU General Public License as published by the Free
|
Software Foundation; either version 3, or (at your option) any later
|
Software Foundation; either version 3, or (at your option) any later
|
version.
|
version.
|
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
for more details.
|
for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with GCC; see the file COPYING3. If not see
|
along with GCC; see the file COPYING3. If not see
|
<http://www.gnu.org/licenses/>. */
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
|
/* Build tables of static constructors and destructors and run ld. */
|
/* Build tables of static constructors and destructors and run ld. */
|
|
|
#include "config.h"
|
#include "config.h"
|
#include "system.h"
|
#include "system.h"
|
#include "coretypes.h"
|
#include "coretypes.h"
|
#include "tm.h"
|
#include "tm.h"
|
#include <signal.h>
|
#include <signal.h>
|
#if ! defined( SIGCHLD ) && defined( SIGCLD )
|
#if ! defined( SIGCHLD ) && defined( SIGCLD )
|
# define SIGCHLD SIGCLD
|
# define SIGCHLD SIGCLD
|
#endif
|
#endif
|
|
|
/* TARGET_64BIT may be defined to use driver specific functionality. */
|
/* TARGET_64BIT may be defined to use driver specific functionality. */
|
#undef TARGET_64BIT
|
#undef TARGET_64BIT
|
#define TARGET_64BIT TARGET_64BIT_DEFAULT
|
#define TARGET_64BIT TARGET_64BIT_DEFAULT
|
|
|
#ifndef LIBRARY_PATH_ENV
|
#ifndef LIBRARY_PATH_ENV
|
#define LIBRARY_PATH_ENV "LIBRARY_PATH"
|
#define LIBRARY_PATH_ENV "LIBRARY_PATH"
|
#endif
|
#endif
|
|
|
#define COLLECT
|
#define COLLECT
|
|
|
#include "collect2.h"
|
#include "collect2.h"
|
#include "collect2-aix.h"
|
#include "collect2-aix.h"
|
#include "demangle.h"
|
#include "demangle.h"
|
#include "obstack.h"
|
#include "obstack.h"
|
#include "intl.h"
|
#include "intl.h"
|
#include "version.h"
|
#include "version.h"
|
|
|
/* On certain systems, we have code that works by scanning the object file
|
/* On certain systems, we have code that works by scanning the object file
|
directly. But this code uses system-specific header files and library
|
directly. But this code uses system-specific header files and library
|
functions, so turn it off in a cross-compiler. Likewise, the names of
|
functions, so turn it off in a cross-compiler. Likewise, the names of
|
the utilities are not correct for a cross-compiler; we have to hope that
|
the utilities are not correct for a cross-compiler; we have to hope that
|
cross-versions are in the proper directories. */
|
cross-versions are in the proper directories. */
|
|
|
#ifdef CROSS_DIRECTORY_STRUCTURE
|
#ifdef CROSS_DIRECTORY_STRUCTURE
|
#ifndef CROSS_AIX_SUPPORT
|
#ifndef CROSS_AIX_SUPPORT
|
#undef OBJECT_FORMAT_COFF
|
#undef OBJECT_FORMAT_COFF
|
#endif
|
#endif
|
#undef MD_EXEC_PREFIX
|
#undef MD_EXEC_PREFIX
|
#undef REAL_LD_FILE_NAME
|
#undef REAL_LD_FILE_NAME
|
#undef REAL_NM_FILE_NAME
|
#undef REAL_NM_FILE_NAME
|
#undef REAL_STRIP_FILE_NAME
|
#undef REAL_STRIP_FILE_NAME
|
#endif
|
#endif
|
|
|
/* If we cannot use a special method, use the ordinary one:
|
/* If we cannot use a special method, use the ordinary one:
|
run nm to find what symbols are present.
|
run nm to find what symbols are present.
|
In a cross-compiler, this means you need a cross nm,
|
In a cross-compiler, this means you need a cross nm,
|
but that is not quite as unpleasant as special headers. */
|
but that is not quite as unpleasant as special headers. */
|
|
|
#if !defined (OBJECT_FORMAT_COFF)
|
#if !defined (OBJECT_FORMAT_COFF)
|
#define OBJECT_FORMAT_NONE
|
#define OBJECT_FORMAT_NONE
|
#endif
|
#endif
|
|
|
#ifdef OBJECT_FORMAT_COFF
|
#ifdef OBJECT_FORMAT_COFF
|
|
|
#ifndef CROSS_DIRECTORY_STRUCTURE
|
#ifndef CROSS_DIRECTORY_STRUCTURE
|
#include <a.out.h>
|
#include <a.out.h>
|
#include <ar.h>
|
#include <ar.h>
|
|
|
#ifdef UMAX
|
#ifdef UMAX
|
#include <sgs.h>
|
#include <sgs.h>
|
#endif
|
#endif
|
|
|
/* Many versions of ldfcn.h define these. */
|
/* Many versions of ldfcn.h define these. */
|
#ifdef FREAD
|
#ifdef FREAD
|
#undef FREAD
|
#undef FREAD
|
#undef FWRITE
|
#undef FWRITE
|
#endif
|
#endif
|
|
|
#include <ldfcn.h>
|
#include <ldfcn.h>
|
#endif
|
#endif
|
|
|
/* Some systems have an ISCOFF macro, but others do not. In some cases
|
/* Some systems have an ISCOFF macro, but others do not. In some cases
|
the macro may be wrong. MY_ISCOFF is defined in tm.h files for machines
|
the macro may be wrong. MY_ISCOFF is defined in tm.h files for machines
|
that either do not have an ISCOFF macro in /usr/include or for those
|
that either do not have an ISCOFF macro in /usr/include or for those
|
where it is wrong. */
|
where it is wrong. */
|
|
|
#ifndef MY_ISCOFF
|
#ifndef MY_ISCOFF
|
#define MY_ISCOFF(X) ISCOFF (X)
|
#define MY_ISCOFF(X) ISCOFF (X)
|
#endif
|
#endif
|
|
|
#endif /* OBJECT_FORMAT_COFF */
|
#endif /* OBJECT_FORMAT_COFF */
|
|
|
#ifdef OBJECT_FORMAT_NONE
|
#ifdef OBJECT_FORMAT_NONE
|
|
|
/* Default flags to pass to nm. */
|
/* Default flags to pass to nm. */
|
#ifndef NM_FLAGS
|
#ifndef NM_FLAGS
|
#define NM_FLAGS "-n"
|
#define NM_FLAGS "-n"
|
#endif
|
#endif
|
|
|
#endif /* OBJECT_FORMAT_NONE */
|
#endif /* OBJECT_FORMAT_NONE */
|
|
|
/* Some systems use __main in a way incompatible with its use in gcc, in these
|
/* Some systems use __main in a way incompatible with its use in gcc, in these
|
cases use the macros NAME__MAIN to give a quoted symbol and SYMBOL__MAIN to
|
cases use the macros NAME__MAIN to give a quoted symbol and SYMBOL__MAIN to
|
give the same symbol without quotes for an alternative entry point. */
|
give the same symbol without quotes for an alternative entry point. */
|
#ifndef NAME__MAIN
|
#ifndef NAME__MAIN
|
#define NAME__MAIN "__main"
|
#define NAME__MAIN "__main"
|
#endif
|
#endif
|
|
|
/* This must match tree.h. */
|
/* This must match tree.h. */
|
#define DEFAULT_INIT_PRIORITY 65535
|
#define DEFAULT_INIT_PRIORITY 65535
|
|
|
#ifndef COLLECT_SHARED_INIT_FUNC
|
#ifndef COLLECT_SHARED_INIT_FUNC
|
#define COLLECT_SHARED_INIT_FUNC(STREAM, FUNC) \
|
#define COLLECT_SHARED_INIT_FUNC(STREAM, FUNC) \
|
fprintf ((STREAM), "void _GLOBAL__DI() {\n\t%s();\n}\n", (FUNC))
|
fprintf ((STREAM), "void _GLOBAL__DI() {\n\t%s();\n}\n", (FUNC))
|
#endif
|
#endif
|
#ifndef COLLECT_SHARED_FINI_FUNC
|
#ifndef COLLECT_SHARED_FINI_FUNC
|
#define COLLECT_SHARED_FINI_FUNC(STREAM, FUNC) \
|
#define COLLECT_SHARED_FINI_FUNC(STREAM, FUNC) \
|
fprintf ((STREAM), "void _GLOBAL__DD() {\n\t%s();\n}\n", (FUNC))
|
fprintf ((STREAM), "void _GLOBAL__DD() {\n\t%s();\n}\n", (FUNC))
|
#endif
|
#endif
|
|
|
#ifdef LDD_SUFFIX
|
#ifdef LDD_SUFFIX
|
#define SCAN_LIBRARIES
|
#define SCAN_LIBRARIES
|
#endif
|
#endif
|
|
|
#ifndef SHLIB_SUFFIX
|
#ifndef SHLIB_SUFFIX
|
#define SHLIB_SUFFIX ".so"
|
#define SHLIB_SUFFIX ".so"
|
#endif
|
#endif
|
|
|
#ifdef USE_COLLECT2
|
#ifdef USE_COLLECT2
|
int do_collecting = 1;
|
int do_collecting = 1;
|
#else
|
#else
|
int do_collecting = 0;
|
int do_collecting = 0;
|
#endif
|
#endif
|
|
|
/* Cook up an always defined indication of whether we proceed the
|
/* Cook up an always defined indication of whether we proceed the
|
"EXPORT_LIST" way. */
|
"EXPORT_LIST" way. */
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
#define DO_COLLECT_EXPORT_LIST 1
|
#define DO_COLLECT_EXPORT_LIST 1
|
#else
|
#else
|
#define DO_COLLECT_EXPORT_LIST 0
|
#define DO_COLLECT_EXPORT_LIST 0
|
#endif
|
#endif
|
|
|
/* Nonzero if we should suppress the automatic demangling of identifiers
|
/* Nonzero if we should suppress the automatic demangling of identifiers
|
in linker error messages. Set from COLLECT_NO_DEMANGLE. */
|
in linker error messages. Set from COLLECT_NO_DEMANGLE. */
|
int no_demangle;
|
int no_demangle;
|
|
|
/* Linked lists of constructor and destructor names. */
|
/* Linked lists of constructor and destructor names. */
|
|
|
struct id
|
struct id
|
{
|
{
|
struct id *next;
|
struct id *next;
|
int sequence;
|
int sequence;
|
char name[1];
|
char name[1];
|
};
|
};
|
|
|
struct head
|
struct head
|
{
|
{
|
struct id *first;
|
struct id *first;
|
struct id *last;
|
struct id *last;
|
int number;
|
int number;
|
};
|
};
|
|
|
int vflag; /* true if -v */
|
int vflag; /* true if -v */
|
static int rflag; /* true if -r */
|
static int rflag; /* true if -r */
|
static int strip_flag; /* true if -s */
|
static int strip_flag; /* true if -s */
|
static const char *demangle_flag;
|
static const char *demangle_flag;
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
static int export_flag; /* true if -bE */
|
static int export_flag; /* true if -bE */
|
static int aix64_flag; /* true if -b64 */
|
static int aix64_flag; /* true if -b64 */
|
static int aixrtl_flag; /* true if -brtl */
|
static int aixrtl_flag; /* true if -brtl */
|
#endif
|
#endif
|
|
|
enum lto_mode_d {
|
enum lto_mode_d {
|
LTO_MODE_NONE, /* Not doing LTO. */
|
LTO_MODE_NONE, /* Not doing LTO. */
|
LTO_MODE_LTO, /* Normal LTO. */
|
LTO_MODE_LTO, /* Normal LTO. */
|
LTO_MODE_WHOPR /* WHOPR. */
|
LTO_MODE_WHOPR /* WHOPR. */
|
};
|
};
|
|
|
/* Current LTO mode. */
|
/* Current LTO mode. */
|
static enum lto_mode_d lto_mode = LTO_MODE_NONE;
|
static enum lto_mode_d lto_mode = LTO_MODE_NONE;
|
|
|
int debug; /* true if -debug */
|
int debug; /* true if -debug */
|
|
|
static int shared_obj; /* true if -shared */
|
static int shared_obj; /* true if -shared */
|
|
|
static const char *c_file; /* <xxx>.c for constructor/destructor list. */
|
static const char *c_file; /* <xxx>.c for constructor/destructor list. */
|
static const char *o_file; /* <xxx>.o for constructor/destructor list. */
|
static const char *o_file; /* <xxx>.o for constructor/destructor list. */
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
static const char *export_file; /* <xxx>.x for AIX export list. */
|
static const char *export_file; /* <xxx>.x for AIX export list. */
|
#endif
|
#endif
|
static char **lto_o_files; /* Output files for LTO. */
|
static char **lto_o_files; /* Output files for LTO. */
|
const char *ldout; /* File for ld stdout. */
|
const char *ldout; /* File for ld stdout. */
|
const char *lderrout; /* File for ld stderr. */
|
const char *lderrout; /* File for ld stderr. */
|
static const char *output_file; /* Output file for ld. */
|
static const char *output_file; /* Output file for ld. */
|
static const char *nm_file_name; /* pathname of nm */
|
static const char *nm_file_name; /* pathname of nm */
|
#ifdef LDD_SUFFIX
|
#ifdef LDD_SUFFIX
|
static const char *ldd_file_name; /* pathname of ldd (or equivalent) */
|
static const char *ldd_file_name; /* pathname of ldd (or equivalent) */
|
#endif
|
#endif
|
static const char *strip_file_name; /* pathname of strip */
|
static const char *strip_file_name; /* pathname of strip */
|
const char *c_file_name; /* pathname of gcc */
|
const char *c_file_name; /* pathname of gcc */
|
static char *initname, *fininame; /* names of init and fini funcs */
|
static char *initname, *fininame; /* names of init and fini funcs */
|
|
|
static struct head constructors; /* list of constructors found */
|
static struct head constructors; /* list of constructors found */
|
static struct head destructors; /* list of destructors found */
|
static struct head destructors; /* list of destructors found */
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
static struct head exports; /* list of exported symbols */
|
static struct head exports; /* list of exported symbols */
|
#endif
|
#endif
|
static struct head frame_tables; /* list of frame unwind info tables */
|
static struct head frame_tables; /* list of frame unwind info tables */
|
|
|
static bool at_file_supplied; /* Whether to use @file arguments */
|
static bool at_file_supplied; /* Whether to use @file arguments */
|
static char *response_file; /* Name of any current response file */
|
static char *response_file; /* Name of any current response file */
|
|
|
struct obstack temporary_obstack;
|
struct obstack temporary_obstack;
|
char * temporary_firstobj;
|
char * temporary_firstobj;
|
|
|
/* A string that must be prepended to a target OS path in order to find
|
/* A string that must be prepended to a target OS path in order to find
|
it on the host system. */
|
it on the host system. */
|
#ifdef TARGET_SYSTEM_ROOT
|
#ifdef TARGET_SYSTEM_ROOT
|
static const char *target_system_root = TARGET_SYSTEM_ROOT;
|
static const char *target_system_root = TARGET_SYSTEM_ROOT;
|
#else
|
#else
|
static const char *target_system_root = "";
|
static const char *target_system_root = "";
|
#endif
|
#endif
|
|
|
/* Structure to hold all the directories in which to search for files to
|
/* Structure to hold all the directories in which to search for files to
|
execute. */
|
execute. */
|
|
|
struct prefix_list
|
struct prefix_list
|
{
|
{
|
const char *prefix; /* String to prepend to the path. */
|
const char *prefix; /* String to prepend to the path. */
|
struct prefix_list *next; /* Next in linked list. */
|
struct prefix_list *next; /* Next in linked list. */
|
};
|
};
|
|
|
struct path_prefix
|
struct path_prefix
|
{
|
{
|
struct prefix_list *plist; /* List of prefixes to try */
|
struct prefix_list *plist; /* List of prefixes to try */
|
int max_len; /* Max length of a prefix in PLIST */
|
int max_len; /* Max length of a prefix in PLIST */
|
const char *name; /* Name of this list (used in config stuff) */
|
const char *name; /* Name of this list (used in config stuff) */
|
};
|
};
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* Lists to keep libraries to be scanned for global constructors/destructors. */
|
/* Lists to keep libraries to be scanned for global constructors/destructors. */
|
static struct head libs; /* list of libraries */
|
static struct head libs; /* list of libraries */
|
static struct path_prefix cmdline_lib_dirs; /* directories specified with -L */
|
static struct path_prefix cmdline_lib_dirs; /* directories specified with -L */
|
static struct path_prefix libpath_lib_dirs; /* directories in LIBPATH */
|
static struct path_prefix libpath_lib_dirs; /* directories in LIBPATH */
|
static struct path_prefix *libpaths[3] = {&cmdline_lib_dirs,
|
static struct path_prefix *libpaths[3] = {&cmdline_lib_dirs,
|
&libpath_lib_dirs, NULL};
|
&libpath_lib_dirs, NULL};
|
#endif
|
#endif
|
|
|
/* List of names of object files containing LTO information.
|
/* List of names of object files containing LTO information.
|
These are a subset of the object file names appearing on the
|
These are a subset of the object file names appearing on the
|
command line, and must be identical, in the sense of pointer
|
command line, and must be identical, in the sense of pointer
|
equality, with the names passed to maybe_run_lto_and_relink(). */
|
equality, with the names passed to maybe_run_lto_and_relink(). */
|
|
|
struct lto_object
|
struct lto_object
|
{
|
{
|
const char *name; /* Name of object file. */
|
const char *name; /* Name of object file. */
|
struct lto_object *next; /* Next in linked list. */
|
struct lto_object *next; /* Next in linked list. */
|
};
|
};
|
|
|
struct lto_object_list
|
struct lto_object_list
|
{
|
{
|
struct lto_object *first; /* First list element. */
|
struct lto_object *first; /* First list element. */
|
struct lto_object *last; /* Last list element. */
|
struct lto_object *last; /* Last list element. */
|
};
|
};
|
|
|
static struct lto_object_list lto_objects;
|
static struct lto_object_list lto_objects;
|
|
|
/* Special kinds of symbols that a name may denote. */
|
/* Special kinds of symbols that a name may denote. */
|
|
|
typedef enum {
|
typedef enum {
|
SYM_REGULAR = 0, /* nothing special */
|
SYM_REGULAR = 0, /* nothing special */
|
|
|
SYM_CTOR = 1, /* constructor */
|
SYM_CTOR = 1, /* constructor */
|
SYM_DTOR = 2, /* destructor */
|
SYM_DTOR = 2, /* destructor */
|
SYM_INIT = 3, /* shared object routine that calls all the ctors */
|
SYM_INIT = 3, /* shared object routine that calls all the ctors */
|
SYM_FINI = 4, /* shared object routine that calls all the dtors */
|
SYM_FINI = 4, /* shared object routine that calls all the dtors */
|
SYM_DWEH = 5 /* DWARF exception handling table */
|
SYM_DWEH = 5 /* DWARF exception handling table */
|
} symkind;
|
} symkind;
|
|
|
static symkind is_ctor_dtor (const char *);
|
static symkind is_ctor_dtor (const char *);
|
|
|
static void handler (int);
|
static void handler (int);
|
static char *find_a_file (struct path_prefix *, const char *);
|
static char *find_a_file (struct path_prefix *, const char *);
|
static void add_prefix (struct path_prefix *, const char *);
|
static void add_prefix (struct path_prefix *, const char *);
|
static void prefix_from_env (const char *, struct path_prefix *);
|
static void prefix_from_env (const char *, struct path_prefix *);
|
static void prefix_from_string (const char *, struct path_prefix *);
|
static void prefix_from_string (const char *, struct path_prefix *);
|
static void do_wait (const char *, struct pex_obj *);
|
static void do_wait (const char *, struct pex_obj *);
|
static void fork_execute (const char *, char **);
|
static void fork_execute (const char *, char **);
|
static void maybe_unlink (const char *);
|
static void maybe_unlink (const char *);
|
static void maybe_unlink_list (char **);
|
static void maybe_unlink_list (char **);
|
static void add_to_list (struct head *, const char *);
|
static void add_to_list (struct head *, const char *);
|
static int extract_init_priority (const char *);
|
static int extract_init_priority (const char *);
|
static void sort_ids (struct head *);
|
static void sort_ids (struct head *);
|
static void write_list (FILE *, const char *, struct id *);
|
static void write_list (FILE *, const char *, struct id *);
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
static void dump_list (FILE *, const char *, struct id *);
|
static void dump_list (FILE *, const char *, struct id *);
|
#endif
|
#endif
|
#if 0
|
#if 0
|
static void dump_prefix_list (FILE *, const char *, struct prefix_list *);
|
static void dump_prefix_list (FILE *, const char *, struct prefix_list *);
|
#endif
|
#endif
|
static void write_list_with_asm (FILE *, const char *, struct id *);
|
static void write_list_with_asm (FILE *, const char *, struct id *);
|
static void write_c_file (FILE *, const char *);
|
static void write_c_file (FILE *, const char *);
|
static void write_c_file_stat (FILE *, const char *);
|
static void write_c_file_stat (FILE *, const char *);
|
#ifndef LD_INIT_SWITCH
|
#ifndef LD_INIT_SWITCH
|
static void write_c_file_glob (FILE *, const char *);
|
static void write_c_file_glob (FILE *, const char *);
|
#endif
|
#endif
|
#ifdef SCAN_LIBRARIES
|
#ifdef SCAN_LIBRARIES
|
static void scan_libraries (const char *);
|
static void scan_libraries (const char *);
|
#endif
|
#endif
|
#if LINK_ELIMINATE_DUPLICATE_LDIRECTORIES
|
#if LINK_ELIMINATE_DUPLICATE_LDIRECTORIES
|
static int is_in_args (const char *, const char **, const char **);
|
static int is_in_args (const char *, const char **, const char **);
|
#endif
|
#endif
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
#if 0
|
#if 0
|
static int is_in_list (const char *, struct id *);
|
static int is_in_list (const char *, struct id *);
|
#endif
|
#endif
|
static void write_aix_file (FILE *, struct id *);
|
static void write_aix_file (FILE *, struct id *);
|
static char *resolve_lib_name (const char *);
|
static char *resolve_lib_name (const char *);
|
#endif
|
#endif
|
static char *extract_string (const char **);
|
static char *extract_string (const char **);
|
|
|
/* Enumerations describing which pass this is for scanning the
|
/* Enumerations describing which pass this is for scanning the
|
program file ... */
|
program file ... */
|
|
|
typedef enum {
|
typedef enum {
|
PASS_FIRST, /* without constructors */
|
PASS_FIRST, /* without constructors */
|
PASS_OBJ, /* individual objects */
|
PASS_OBJ, /* individual objects */
|
PASS_LIB, /* looking for shared libraries */
|
PASS_LIB, /* looking for shared libraries */
|
PASS_SECOND, /* with constructors linked in */
|
PASS_SECOND, /* with constructors linked in */
|
PASS_LTOINFO /* looking for objects with LTO info */
|
PASS_LTOINFO /* looking for objects with LTO info */
|
} scanpass;
|
} scanpass;
|
|
|
/* ... and which kinds of symbols are to be considered. */
|
/* ... and which kinds of symbols are to be considered. */
|
|
|
enum scanfilter_masks {
|
enum scanfilter_masks {
|
SCAN_NOTHING = 0,
|
SCAN_NOTHING = 0,
|
|
|
SCAN_CTOR = 1 << SYM_CTOR,
|
SCAN_CTOR = 1 << SYM_CTOR,
|
SCAN_DTOR = 1 << SYM_DTOR,
|
SCAN_DTOR = 1 << SYM_DTOR,
|
SCAN_INIT = 1 << SYM_INIT,
|
SCAN_INIT = 1 << SYM_INIT,
|
SCAN_FINI = 1 << SYM_FINI,
|
SCAN_FINI = 1 << SYM_FINI,
|
SCAN_DWEH = 1 << SYM_DWEH,
|
SCAN_DWEH = 1 << SYM_DWEH,
|
SCAN_ALL = ~0
|
SCAN_ALL = ~0
|
};
|
};
|
|
|
/* This type is used for parameters and variables which hold
|
/* This type is used for parameters and variables which hold
|
combinations of the flags in enum scanfilter_masks. */
|
combinations of the flags in enum scanfilter_masks. */
|
typedef int scanfilter;
|
typedef int scanfilter;
|
|
|
/* Scan the name list of the loaded program for the symbols g++ uses for
|
/* Scan the name list of the loaded program for the symbols g++ uses for
|
static constructors and destructors.
|
static constructors and destructors.
|
|
|
The SCANPASS argument tells which collect processing pass this is for and
|
The SCANPASS argument tells which collect processing pass this is for and
|
the SCANFILTER argument tells which kinds of symbols to consider in this
|
the SCANFILTER argument tells which kinds of symbols to consider in this
|
pass. Symbols of a special kind not in the filter mask are considered as
|
pass. Symbols of a special kind not in the filter mask are considered as
|
regular ones.
|
regular ones.
|
|
|
The constructor table begins at __CTOR_LIST__ and contains a count of the
|
The constructor table begins at __CTOR_LIST__ and contains a count of the
|
number of pointers (or -1 if the constructors are built in a separate
|
number of pointers (or -1 if the constructors are built in a separate
|
section by the linker), followed by the pointers to the constructor
|
section by the linker), followed by the pointers to the constructor
|
functions, terminated with a null pointer. The destructor table has the
|
functions, terminated with a null pointer. The destructor table has the
|
same format, and begins at __DTOR_LIST__. */
|
same format, and begins at __DTOR_LIST__. */
|
|
|
static void scan_prog_file (const char *, scanpass, scanfilter);
|
static void scan_prog_file (const char *, scanpass, scanfilter);
|
|
|
|
|
/* Delete tempfiles and exit function. */
|
/* Delete tempfiles and exit function. */
|
|
|
void
|
void
|
collect_exit (int status)
|
collect_exit (int status)
|
{
|
{
|
if (c_file != 0 && c_file[0])
|
if (c_file != 0 && c_file[0])
|
maybe_unlink (c_file);
|
maybe_unlink (c_file);
|
|
|
if (o_file != 0 && o_file[0])
|
if (o_file != 0 && o_file[0])
|
maybe_unlink (o_file);
|
maybe_unlink (o_file);
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
if (export_file != 0 && export_file[0])
|
if (export_file != 0 && export_file[0])
|
maybe_unlink (export_file);
|
maybe_unlink (export_file);
|
#endif
|
#endif
|
|
|
if (lto_o_files)
|
if (lto_o_files)
|
maybe_unlink_list (lto_o_files);
|
maybe_unlink_list (lto_o_files);
|
|
|
if (ldout != 0 && ldout[0])
|
if (ldout != 0 && ldout[0])
|
{
|
{
|
dump_file (ldout, stdout);
|
dump_file (ldout, stdout);
|
maybe_unlink (ldout);
|
maybe_unlink (ldout);
|
}
|
}
|
|
|
if (lderrout != 0 && lderrout[0])
|
if (lderrout != 0 && lderrout[0])
|
{
|
{
|
dump_file (lderrout, stderr);
|
dump_file (lderrout, stderr);
|
maybe_unlink (lderrout);
|
maybe_unlink (lderrout);
|
}
|
}
|
|
|
if (status != 0 && output_file != 0 && output_file[0])
|
if (status != 0 && output_file != 0 && output_file[0])
|
maybe_unlink (output_file);
|
maybe_unlink (output_file);
|
|
|
if (response_file)
|
if (response_file)
|
maybe_unlink (response_file);
|
maybe_unlink (response_file);
|
|
|
exit (status);
|
exit (status);
|
}
|
}
|
|
|
|
|
/* Notify user of a non-error. */
|
/* Notify user of a non-error. */
|
void
|
void
|
notice (const char *cmsgid, ...)
|
notice (const char *cmsgid, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, cmsgid);
|
va_start (ap, cmsgid);
|
vfprintf (stderr, _(cmsgid), ap);
|
vfprintf (stderr, _(cmsgid), ap);
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
/* Notify user of a non-error, without translating the format string. */
|
/* Notify user of a non-error, without translating the format string. */
|
void
|
void
|
notice_translated (const char *cmsgid, ...)
|
notice_translated (const char *cmsgid, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, cmsgid);
|
va_start (ap, cmsgid);
|
vfprintf (stderr, cmsgid, ap);
|
vfprintf (stderr, cmsgid, ap);
|
va_end (ap);
|
va_end (ap);
|
}
|
}
|
|
|
/* Die when sys call fails. */
|
/* Die when sys call fails. */
|
|
|
void
|
void
|
fatal_perror (const char * cmsgid, ...)
|
fatal_perror (const char * cmsgid, ...)
|
{
|
{
|
int e = errno;
|
int e = errno;
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, cmsgid);
|
va_start (ap, cmsgid);
|
fprintf (stderr, "collect2: ");
|
fprintf (stderr, "collect2: ");
|
vfprintf (stderr, _(cmsgid), ap);
|
vfprintf (stderr, _(cmsgid), ap);
|
fprintf (stderr, ": %s\n", xstrerror (e));
|
fprintf (stderr, ": %s\n", xstrerror (e));
|
va_end (ap);
|
va_end (ap);
|
|
|
collect_exit (FATAL_EXIT_CODE);
|
collect_exit (FATAL_EXIT_CODE);
|
}
|
}
|
|
|
/* Just die. */
|
/* Just die. */
|
|
|
void
|
void
|
fatal (const char * cmsgid, ...)
|
fatal (const char * cmsgid, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, cmsgid);
|
va_start (ap, cmsgid);
|
fprintf (stderr, "collect2: ");
|
fprintf (stderr, "collect2: ");
|
vfprintf (stderr, _(cmsgid), ap);
|
vfprintf (stderr, _(cmsgid), ap);
|
fprintf (stderr, "\n");
|
fprintf (stderr, "\n");
|
va_end (ap);
|
va_end (ap);
|
|
|
collect_exit (FATAL_EXIT_CODE);
|
collect_exit (FATAL_EXIT_CODE);
|
}
|
}
|
|
|
/* Write error message. */
|
/* Write error message. */
|
|
|
void
|
void
|
error (const char * gmsgid, ...)
|
error (const char * gmsgid, ...)
|
{
|
{
|
va_list ap;
|
va_list ap;
|
|
|
va_start (ap, gmsgid);
|
va_start (ap, gmsgid);
|
fprintf (stderr, "collect2: ");
|
fprintf (stderr, "collect2: ");
|
vfprintf (stderr, _(gmsgid), ap);
|
vfprintf (stderr, _(gmsgid), ap);
|
fprintf (stderr, "\n");
|
fprintf (stderr, "\n");
|
va_end(ap);
|
va_end(ap);
|
}
|
}
|
|
|
/* In case obstack is linked in, and abort is defined to fancy_abort,
|
/* In case obstack is linked in, and abort is defined to fancy_abort,
|
provide a default entry. */
|
provide a default entry. */
|
|
|
void
|
void
|
fancy_abort (const char *file, int line, const char *func)
|
fancy_abort (const char *file, int line, const char *func)
|
{
|
{
|
fatal ("internal gcc abort in %s, at %s:%d", func, file, line);
|
fatal ("internal gcc abort in %s, at %s:%d", func, file, line);
|
}
|
}
|
|
|
static void
|
static void
|
handler (int signo)
|
handler (int signo)
|
{
|
{
|
if (c_file != 0 && c_file[0])
|
if (c_file != 0 && c_file[0])
|
maybe_unlink (c_file);
|
maybe_unlink (c_file);
|
|
|
if (o_file != 0 && o_file[0])
|
if (o_file != 0 && o_file[0])
|
maybe_unlink (o_file);
|
maybe_unlink (o_file);
|
|
|
if (ldout != 0 && ldout[0])
|
if (ldout != 0 && ldout[0])
|
maybe_unlink (ldout);
|
maybe_unlink (ldout);
|
|
|
if (lderrout != 0 && lderrout[0])
|
if (lderrout != 0 && lderrout[0])
|
maybe_unlink (lderrout);
|
maybe_unlink (lderrout);
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
if (export_file != 0 && export_file[0])
|
if (export_file != 0 && export_file[0])
|
maybe_unlink (export_file);
|
maybe_unlink (export_file);
|
#endif
|
#endif
|
|
|
if (lto_o_files)
|
if (lto_o_files)
|
maybe_unlink_list (lto_o_files);
|
maybe_unlink_list (lto_o_files);
|
|
|
if (response_file)
|
if (response_file)
|
maybe_unlink (response_file);
|
maybe_unlink (response_file);
|
|
|
signal (signo, SIG_DFL);
|
signal (signo, SIG_DFL);
|
raise (signo);
|
raise (signo);
|
}
|
}
|
|
|
|
|
int
|
int
|
file_exists (const char *name)
|
file_exists (const char *name)
|
{
|
{
|
return access (name, R_OK) == 0;
|
return access (name, R_OK) == 0;
|
}
|
}
|
|
|
/* Parse a reasonable subset of shell quoting syntax. */
|
/* Parse a reasonable subset of shell quoting syntax. */
|
|
|
static char *
|
static char *
|
extract_string (const char **pp)
|
extract_string (const char **pp)
|
{
|
{
|
const char *p = *pp;
|
const char *p = *pp;
|
int backquote = 0;
|
int backquote = 0;
|
int inside = 0;
|
int inside = 0;
|
|
|
for (;;)
|
for (;;)
|
{
|
{
|
char c = *p;
|
char c = *p;
|
if (c == '\0')
|
if (c == '\0')
|
break;
|
break;
|
++p;
|
++p;
|
if (backquote)
|
if (backquote)
|
obstack_1grow (&temporary_obstack, c);
|
obstack_1grow (&temporary_obstack, c);
|
else if (! inside && c == ' ')
|
else if (! inside && c == ' ')
|
break;
|
break;
|
else if (! inside && c == '\\')
|
else if (! inside && c == '\\')
|
backquote = 1;
|
backquote = 1;
|
else if (c == '\'')
|
else if (c == '\'')
|
inside = !inside;
|
inside = !inside;
|
else
|
else
|
obstack_1grow (&temporary_obstack, c);
|
obstack_1grow (&temporary_obstack, c);
|
}
|
}
|
|
|
obstack_1grow (&temporary_obstack, '\0');
|
obstack_1grow (&temporary_obstack, '\0');
|
*pp = p;
|
*pp = p;
|
return XOBFINISH (&temporary_obstack, char *);
|
return XOBFINISH (&temporary_obstack, char *);
|
}
|
}
|
|
|
void
|
void
|
dump_file (const char *name, FILE *to)
|
dump_file (const char *name, FILE *to)
|
{
|
{
|
FILE *stream = fopen (name, "r");
|
FILE *stream = fopen (name, "r");
|
|
|
if (stream == 0)
|
if (stream == 0)
|
return;
|
return;
|
while (1)
|
while (1)
|
{
|
{
|
int c;
|
int c;
|
while (c = getc (stream),
|
while (c = getc (stream),
|
c != EOF && (ISIDNUM (c) || c == '$' || c == '.'))
|
c != EOF && (ISIDNUM (c) || c == '$' || c == '.'))
|
obstack_1grow (&temporary_obstack, c);
|
obstack_1grow (&temporary_obstack, c);
|
if (obstack_object_size (&temporary_obstack) > 0)
|
if (obstack_object_size (&temporary_obstack) > 0)
|
{
|
{
|
const char *word, *p;
|
const char *word, *p;
|
char *result;
|
char *result;
|
obstack_1grow (&temporary_obstack, '\0');
|
obstack_1grow (&temporary_obstack, '\0');
|
word = XOBFINISH (&temporary_obstack, const char *);
|
word = XOBFINISH (&temporary_obstack, const char *);
|
|
|
if (*word == '.')
|
if (*word == '.')
|
++word, putc ('.', to);
|
++word, putc ('.', to);
|
p = word;
|
p = word;
|
if (!strncmp (p, USER_LABEL_PREFIX, strlen (USER_LABEL_PREFIX)))
|
if (!strncmp (p, USER_LABEL_PREFIX, strlen (USER_LABEL_PREFIX)))
|
p += strlen (USER_LABEL_PREFIX);
|
p += strlen (USER_LABEL_PREFIX);
|
|
|
#ifdef HAVE_LD_DEMANGLE
|
#ifdef HAVE_LD_DEMANGLE
|
result = 0;
|
result = 0;
|
#else
|
#else
|
if (no_demangle)
|
if (no_demangle)
|
result = 0;
|
result = 0;
|
else
|
else
|
result = cplus_demangle (p, DMGL_PARAMS | DMGL_ANSI | DMGL_VERBOSE);
|
result = cplus_demangle (p, DMGL_PARAMS | DMGL_ANSI | DMGL_VERBOSE);
|
#endif
|
#endif
|
|
|
if (result)
|
if (result)
|
{
|
{
|
int diff;
|
int diff;
|
fputs (result, to);
|
fputs (result, to);
|
|
|
diff = strlen (word) - strlen (result);
|
diff = strlen (word) - strlen (result);
|
while (diff > 0 && c == ' ')
|
while (diff > 0 && c == ' ')
|
--diff, putc (' ', to);
|
--diff, putc (' ', to);
|
if (diff < 0 && c == ' ')
|
if (diff < 0 && c == ' ')
|
{
|
{
|
while (diff < 0 && c == ' ')
|
while (diff < 0 && c == ' ')
|
++diff, c = getc (stream);
|
++diff, c = getc (stream);
|
if (!ISSPACE (c))
|
if (!ISSPACE (c))
|
{
|
{
|
/* Make sure we output at least one space, or
|
/* Make sure we output at least one space, or
|
the demangled symbol name will run into
|
the demangled symbol name will run into
|
whatever text follows. */
|
whatever text follows. */
|
putc (' ', to);
|
putc (' ', to);
|
}
|
}
|
}
|
}
|
|
|
free (result);
|
free (result);
|
}
|
}
|
else
|
else
|
fputs (word, to);
|
fputs (word, to);
|
|
|
fflush (to);
|
fflush (to);
|
obstack_free (&temporary_obstack, temporary_firstobj);
|
obstack_free (&temporary_obstack, temporary_firstobj);
|
}
|
}
|
if (c == EOF)
|
if (c == EOF)
|
break;
|
break;
|
putc (c, to);
|
putc (c, to);
|
}
|
}
|
fclose (stream);
|
fclose (stream);
|
}
|
}
|
|
|
/* Return the kind of symbol denoted by name S. */
|
/* Return the kind of symbol denoted by name S. */
|
|
|
static symkind
|
static symkind
|
is_ctor_dtor (const char *s)
|
is_ctor_dtor (const char *s)
|
{
|
{
|
struct names { const char *const name; const int len; symkind ret;
|
struct names { const char *const name; const int len; symkind ret;
|
const int two_underscores; };
|
const int two_underscores; };
|
|
|
const struct names *p;
|
const struct names *p;
|
int ch;
|
int ch;
|
const char *orig_s = s;
|
const char *orig_s = s;
|
|
|
static const struct names special[] = {
|
static const struct names special[] = {
|
#ifndef NO_DOLLAR_IN_LABEL
|
#ifndef NO_DOLLAR_IN_LABEL
|
{ "GLOBAL__I$", sizeof ("GLOBAL__I$")-1, SYM_CTOR, 0 },
|
{ "GLOBAL__I$", sizeof ("GLOBAL__I$")-1, SYM_CTOR, 0 },
|
{ "GLOBAL__D$", sizeof ("GLOBAL__D$")-1, SYM_DTOR, 0 },
|
{ "GLOBAL__D$", sizeof ("GLOBAL__D$")-1, SYM_DTOR, 0 },
|
#else
|
#else
|
#ifndef NO_DOT_IN_LABEL
|
#ifndef NO_DOT_IN_LABEL
|
{ "GLOBAL__I.", sizeof ("GLOBAL__I.")-1, SYM_CTOR, 0 },
|
{ "GLOBAL__I.", sizeof ("GLOBAL__I.")-1, SYM_CTOR, 0 },
|
{ "GLOBAL__D.", sizeof ("GLOBAL__D.")-1, SYM_DTOR, 0 },
|
{ "GLOBAL__D.", sizeof ("GLOBAL__D.")-1, SYM_DTOR, 0 },
|
#endif /* NO_DOT_IN_LABEL */
|
#endif /* NO_DOT_IN_LABEL */
|
#endif /* NO_DOLLAR_IN_LABEL */
|
#endif /* NO_DOLLAR_IN_LABEL */
|
{ "GLOBAL__I_", sizeof ("GLOBAL__I_")-1, SYM_CTOR, 0 },
|
{ "GLOBAL__I_", sizeof ("GLOBAL__I_")-1, SYM_CTOR, 0 },
|
{ "GLOBAL__D_", sizeof ("GLOBAL__D_")-1, SYM_DTOR, 0 },
|
{ "GLOBAL__D_", sizeof ("GLOBAL__D_")-1, SYM_DTOR, 0 },
|
{ "GLOBAL__F_", sizeof ("GLOBAL__F_")-1, SYM_DWEH, 0 },
|
{ "GLOBAL__F_", sizeof ("GLOBAL__F_")-1, SYM_DWEH, 0 },
|
{ "GLOBAL__FI_", sizeof ("GLOBAL__FI_")-1, SYM_INIT, 0 },
|
{ "GLOBAL__FI_", sizeof ("GLOBAL__FI_")-1, SYM_INIT, 0 },
|
{ "GLOBAL__FD_", sizeof ("GLOBAL__FD_")-1, SYM_FINI, 0 },
|
{ "GLOBAL__FD_", sizeof ("GLOBAL__FD_")-1, SYM_FINI, 0 },
|
{ NULL, 0, SYM_REGULAR, 0 }
|
{ NULL, 0, SYM_REGULAR, 0 }
|
};
|
};
|
|
|
while ((ch = *s) == '_')
|
while ((ch = *s) == '_')
|
++s;
|
++s;
|
|
|
if (s == orig_s)
|
if (s == orig_s)
|
return SYM_REGULAR;
|
return SYM_REGULAR;
|
|
|
for (p = &special[0]; p->len > 0; p++)
|
for (p = &special[0]; p->len > 0; p++)
|
{
|
{
|
if (ch == p->name[0]
|
if (ch == p->name[0]
|
&& (!p->two_underscores || ((s - orig_s) >= 2))
|
&& (!p->two_underscores || ((s - orig_s) >= 2))
|
&& strncmp(s, p->name, p->len) == 0)
|
&& strncmp(s, p->name, p->len) == 0)
|
{
|
{
|
return p->ret;
|
return p->ret;
|
}
|
}
|
}
|
}
|
return SYM_REGULAR;
|
return SYM_REGULAR;
|
}
|
}
|
|
|
/* We maintain two prefix lists: one from COMPILER_PATH environment variable
|
/* We maintain two prefix lists: one from COMPILER_PATH environment variable
|
and one from the PATH variable. */
|
and one from the PATH variable. */
|
|
|
static struct path_prefix cpath, path;
|
static struct path_prefix cpath, path;
|
|
|
#ifdef CROSS_DIRECTORY_STRUCTURE
|
#ifdef CROSS_DIRECTORY_STRUCTURE
|
/* This is the name of the target machine. We use it to form the name
|
/* This is the name of the target machine. We use it to form the name
|
of the files to execute. */
|
of the files to execute. */
|
|
|
static const char *const target_machine = TARGET_MACHINE;
|
static const char *const target_machine = TARGET_MACHINE;
|
#endif
|
#endif
|
|
|
/* Search for NAME using prefix list PPREFIX. We only look for executable
|
/* Search for NAME using prefix list PPREFIX. We only look for executable
|
files.
|
files.
|
|
|
Return 0 if not found, otherwise return its name, allocated with malloc. */
|
Return 0 if not found, otherwise return its name, allocated with malloc. */
|
|
|
static char *
|
static char *
|
find_a_file (struct path_prefix *pprefix, const char *name)
|
find_a_file (struct path_prefix *pprefix, const char *name)
|
{
|
{
|
char *temp;
|
char *temp;
|
struct prefix_list *pl;
|
struct prefix_list *pl;
|
int len = pprefix->max_len + strlen (name) + 1;
|
int len = pprefix->max_len + strlen (name) + 1;
|
|
|
if (debug)
|
if (debug)
|
fprintf (stderr, "Looking for '%s'\n", name);
|
fprintf (stderr, "Looking for '%s'\n", name);
|
|
|
#ifdef HOST_EXECUTABLE_SUFFIX
|
#ifdef HOST_EXECUTABLE_SUFFIX
|
len += strlen (HOST_EXECUTABLE_SUFFIX);
|
len += strlen (HOST_EXECUTABLE_SUFFIX);
|
#endif
|
#endif
|
|
|
temp = XNEWVEC (char, len);
|
temp = XNEWVEC (char, len);
|
|
|
/* Determine the filename to execute (special case for absolute paths). */
|
/* Determine the filename to execute (special case for absolute paths). */
|
|
|
if (IS_ABSOLUTE_PATH (name))
|
if (IS_ABSOLUTE_PATH (name))
|
{
|
{
|
if (access (name, X_OK) == 0)
|
if (access (name, X_OK) == 0)
|
{
|
{
|
strcpy (temp, name);
|
strcpy (temp, name);
|
|
|
if (debug)
|
if (debug)
|
fprintf (stderr, " - found: absolute path\n");
|
fprintf (stderr, " - found: absolute path\n");
|
|
|
return temp;
|
return temp;
|
}
|
}
|
|
|
#ifdef HOST_EXECUTABLE_SUFFIX
|
#ifdef HOST_EXECUTABLE_SUFFIX
|
/* Some systems have a suffix for executable files.
|
/* Some systems have a suffix for executable files.
|
So try appending that. */
|
So try appending that. */
|
strcpy (temp, name);
|
strcpy (temp, name);
|
strcat (temp, HOST_EXECUTABLE_SUFFIX);
|
strcat (temp, HOST_EXECUTABLE_SUFFIX);
|
|
|
if (access (temp, X_OK) == 0)
|
if (access (temp, X_OK) == 0)
|
return temp;
|
return temp;
|
#endif
|
#endif
|
|
|
if (debug)
|
if (debug)
|
fprintf (stderr, " - failed to locate using absolute path\n");
|
fprintf (stderr, " - failed to locate using absolute path\n");
|
}
|
}
|
else
|
else
|
for (pl = pprefix->plist; pl; pl = pl->next)
|
for (pl = pprefix->plist; pl; pl = pl->next)
|
{
|
{
|
struct stat st;
|
struct stat st;
|
|
|
strcpy (temp, pl->prefix);
|
strcpy (temp, pl->prefix);
|
strcat (temp, name);
|
strcat (temp, name);
|
|
|
if (stat (temp, &st) >= 0
|
if (stat (temp, &st) >= 0
|
&& ! S_ISDIR (st.st_mode)
|
&& ! S_ISDIR (st.st_mode)
|
&& access (temp, X_OK) == 0)
|
&& access (temp, X_OK) == 0)
|
return temp;
|
return temp;
|
|
|
#ifdef HOST_EXECUTABLE_SUFFIX
|
#ifdef HOST_EXECUTABLE_SUFFIX
|
/* Some systems have a suffix for executable files.
|
/* Some systems have a suffix for executable files.
|
So try appending that. */
|
So try appending that. */
|
strcat (temp, HOST_EXECUTABLE_SUFFIX);
|
strcat (temp, HOST_EXECUTABLE_SUFFIX);
|
|
|
if (stat (temp, &st) >= 0
|
if (stat (temp, &st) >= 0
|
&& ! S_ISDIR (st.st_mode)
|
&& ! S_ISDIR (st.st_mode)
|
&& access (temp, X_OK) == 0)
|
&& access (temp, X_OK) == 0)
|
return temp;
|
return temp;
|
#endif
|
#endif
|
}
|
}
|
|
|
if (debug && pprefix->plist == NULL)
|
if (debug && pprefix->plist == NULL)
|
fprintf (stderr, " - failed: no entries in prefix list\n");
|
fprintf (stderr, " - failed: no entries in prefix list\n");
|
|
|
free (temp);
|
free (temp);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Add an entry for PREFIX to prefix list PPREFIX. */
|
/* Add an entry for PREFIX to prefix list PPREFIX. */
|
|
|
static void
|
static void
|
add_prefix (struct path_prefix *pprefix, const char *prefix)
|
add_prefix (struct path_prefix *pprefix, const char *prefix)
|
{
|
{
|
struct prefix_list *pl, **prev;
|
struct prefix_list *pl, **prev;
|
int len;
|
int len;
|
|
|
if (pprefix->plist)
|
if (pprefix->plist)
|
{
|
{
|
for (pl = pprefix->plist; pl->next; pl = pl->next)
|
for (pl = pprefix->plist; pl->next; pl = pl->next)
|
;
|
;
|
prev = &pl->next;
|
prev = &pl->next;
|
}
|
}
|
else
|
else
|
prev = &pprefix->plist;
|
prev = &pprefix->plist;
|
|
|
/* Keep track of the longest prefix. */
|
/* Keep track of the longest prefix. */
|
|
|
len = strlen (prefix);
|
len = strlen (prefix);
|
if (len > pprefix->max_len)
|
if (len > pprefix->max_len)
|
pprefix->max_len = len;
|
pprefix->max_len = len;
|
|
|
pl = XNEW (struct prefix_list);
|
pl = XNEW (struct prefix_list);
|
pl->prefix = xstrdup (prefix);
|
pl->prefix = xstrdup (prefix);
|
|
|
if (*prev)
|
if (*prev)
|
pl->next = *prev;
|
pl->next = *prev;
|
else
|
else
|
pl->next = (struct prefix_list *) 0;
|
pl->next = (struct prefix_list *) 0;
|
*prev = pl;
|
*prev = pl;
|
}
|
}
|
|
|
/* Take the value of the environment variable ENV, break it into a path, and
|
/* Take the value of the environment variable ENV, break it into a path, and
|
add of the entries to PPREFIX. */
|
add of the entries to PPREFIX. */
|
|
|
static void
|
static void
|
prefix_from_env (const char *env, struct path_prefix *pprefix)
|
prefix_from_env (const char *env, struct path_prefix *pprefix)
|
{
|
{
|
const char *p;
|
const char *p;
|
GET_ENVIRONMENT (p, env);
|
GET_ENVIRONMENT (p, env);
|
|
|
if (p)
|
if (p)
|
prefix_from_string (p, pprefix);
|
prefix_from_string (p, pprefix);
|
}
|
}
|
|
|
static void
|
static void
|
prefix_from_string (const char *p, struct path_prefix *pprefix)
|
prefix_from_string (const char *p, struct path_prefix *pprefix)
|
{
|
{
|
const char *startp, *endp;
|
const char *startp, *endp;
|
char *nstore = XNEWVEC (char, strlen (p) + 3);
|
char *nstore = XNEWVEC (char, strlen (p) + 3);
|
|
|
if (debug)
|
if (debug)
|
fprintf (stderr, "Convert string '%s' into prefixes, separator = '%c'\n", p, PATH_SEPARATOR);
|
fprintf (stderr, "Convert string '%s' into prefixes, separator = '%c'\n", p, PATH_SEPARATOR);
|
|
|
startp = endp = p;
|
startp = endp = p;
|
while (1)
|
while (1)
|
{
|
{
|
if (*endp == PATH_SEPARATOR || *endp == 0)
|
if (*endp == PATH_SEPARATOR || *endp == 0)
|
{
|
{
|
strncpy (nstore, startp, endp-startp);
|
strncpy (nstore, startp, endp-startp);
|
if (endp == startp)
|
if (endp == startp)
|
{
|
{
|
strcpy (nstore, "./");
|
strcpy (nstore, "./");
|
}
|
}
|
else if (! IS_DIR_SEPARATOR (endp[-1]))
|
else if (! IS_DIR_SEPARATOR (endp[-1]))
|
{
|
{
|
nstore[endp-startp] = DIR_SEPARATOR;
|
nstore[endp-startp] = DIR_SEPARATOR;
|
nstore[endp-startp+1] = 0;
|
nstore[endp-startp+1] = 0;
|
}
|
}
|
else
|
else
|
nstore[endp-startp] = 0;
|
nstore[endp-startp] = 0;
|
|
|
if (debug)
|
if (debug)
|
fprintf (stderr, " - add prefix: %s\n", nstore);
|
fprintf (stderr, " - add prefix: %s\n", nstore);
|
|
|
add_prefix (pprefix, nstore);
|
add_prefix (pprefix, nstore);
|
if (*endp == 0)
|
if (*endp == 0)
|
break;
|
break;
|
endp = startp = endp + 1;
|
endp = startp = endp + 1;
|
}
|
}
|
else
|
else
|
endp++;
|
endp++;
|
}
|
}
|
free (nstore);
|
free (nstore);
|
}
|
}
|
|
|
#ifdef OBJECT_FORMAT_NONE
|
#ifdef OBJECT_FORMAT_NONE
|
|
|
/* Add an entry for the object file NAME to object file list LIST.
|
/* Add an entry for the object file NAME to object file list LIST.
|
New entries are added at the end of the list. The original pointer
|
New entries are added at the end of the list. The original pointer
|
value of NAME is preserved, i.e., no string copy is performed. */
|
value of NAME is preserved, i.e., no string copy is performed. */
|
|
|
static void
|
static void
|
add_lto_object (struct lto_object_list *list, const char *name)
|
add_lto_object (struct lto_object_list *list, const char *name)
|
{
|
{
|
struct lto_object *n = XNEW (struct lto_object);
|
struct lto_object *n = XNEW (struct lto_object);
|
n->name = name;
|
n->name = name;
|
n->next = NULL;
|
n->next = NULL;
|
|
|
if (list->last)
|
if (list->last)
|
list->last->next = n;
|
list->last->next = n;
|
else
|
else
|
list->first = n;
|
list->first = n;
|
|
|
list->last = n;
|
list->last = n;
|
}
|
}
|
#endif /* OBJECT_FORMAT_NONE */
|
#endif /* OBJECT_FORMAT_NONE */
|
|
|
|
|
/* Perform a link-time recompilation and relink if any of the object
|
/* Perform a link-time recompilation and relink if any of the object
|
files contain LTO info. The linker command line LTO_LD_ARGV
|
files contain LTO info. The linker command line LTO_LD_ARGV
|
represents the linker command that would produce a final executable
|
represents the linker command that would produce a final executable
|
without the use of LTO. OBJECT_LST is a vector of object file names
|
without the use of LTO. OBJECT_LST is a vector of object file names
|
appearing in LTO_LD_ARGV that are to be considerd for link-time
|
appearing in LTO_LD_ARGV that are to be considerd for link-time
|
recompilation, where OBJECT is a pointer to the last valid element.
|
recompilation, where OBJECT is a pointer to the last valid element.
|
(This awkward convention avoids an impedance mismatch with the
|
(This awkward convention avoids an impedance mismatch with the
|
usage of similarly-named variables in main().) The elements of
|
usage of similarly-named variables in main().) The elements of
|
OBJECT_LST must be identical, i.e., pointer equal, to the
|
OBJECT_LST must be identical, i.e., pointer equal, to the
|
corresponding arguments in LTO_LD_ARGV.
|
corresponding arguments in LTO_LD_ARGV.
|
|
|
Upon entry, at least one linker run has been performed without the
|
Upon entry, at least one linker run has been performed without the
|
use of any LTO info that might be present. Any recompilations
|
use of any LTO info that might be present. Any recompilations
|
necessary for template instantiations have been performed, and
|
necessary for template instantiations have been performed, and
|
initializer/finalizer tables have been created if needed and
|
initializer/finalizer tables have been created if needed and
|
included in the linker command line LTO_LD_ARGV. If any of the
|
included in the linker command line LTO_LD_ARGV. If any of the
|
object files contain LTO info, we run the LTO back end on all such
|
object files contain LTO info, we run the LTO back end on all such
|
files, and perform the final link with the LTO back end output
|
files, and perform the final link with the LTO back end output
|
substituted for the LTO-optimized files. In some cases, a final
|
substituted for the LTO-optimized files. In some cases, a final
|
link with all link-time generated code has already been performed,
|
link with all link-time generated code has already been performed,
|
so there is no need to relink if no LTO info is found. In other
|
so there is no need to relink if no LTO info is found. In other
|
cases, our caller has not produced the final executable, and is
|
cases, our caller has not produced the final executable, and is
|
relying on us to perform the required link whether LTO info is
|
relying on us to perform the required link whether LTO info is
|
present or not. In that case, the FORCE argument should be true.
|
present or not. In that case, the FORCE argument should be true.
|
Note that the linker command line argument LTO_LD_ARGV passed into
|
Note that the linker command line argument LTO_LD_ARGV passed into
|
this function may be modified in place. */
|
this function may be modified in place. */
|
|
|
static void
|
static void
|
maybe_run_lto_and_relink (char **lto_ld_argv, char **object_lst,
|
maybe_run_lto_and_relink (char **lto_ld_argv, char **object_lst,
|
const char **object, bool force)
|
const char **object, bool force)
|
{
|
{
|
const char **object_file = CONST_CAST2 (const char **, char **, object_lst);
|
const char **object_file = CONST_CAST2 (const char **, char **, object_lst);
|
|
|
int num_lto_c_args = 1; /* Allow space for the terminating NULL. */
|
int num_lto_c_args = 1; /* Allow space for the terminating NULL. */
|
|
|
while (object_file < object)
|
while (object_file < object)
|
{
|
{
|
/* If file contains LTO info, add it to the list of LTO objects. */
|
/* If file contains LTO info, add it to the list of LTO objects. */
|
scan_prog_file (*object_file++, PASS_LTOINFO, SCAN_ALL);
|
scan_prog_file (*object_file++, PASS_LTOINFO, SCAN_ALL);
|
|
|
/* Increment the argument count by the number of object file arguments
|
/* Increment the argument count by the number of object file arguments
|
we will add. An upper bound suffices, so just count all of the
|
we will add. An upper bound suffices, so just count all of the
|
object files regardless of whether they contain LTO info. */
|
object files regardless of whether they contain LTO info. */
|
num_lto_c_args++;
|
num_lto_c_args++;
|
}
|
}
|
|
|
if (lto_objects.first)
|
if (lto_objects.first)
|
{
|
{
|
const char *opts;
|
const char *opts;
|
char **lto_c_argv;
|
char **lto_c_argv;
|
const char **lto_c_ptr;
|
const char **lto_c_ptr;
|
const char *cp;
|
const char *cp;
|
const char **p, **q, **r;
|
const char **p, **q, **r;
|
const char **lto_o_ptr;
|
const char **lto_o_ptr;
|
struct lto_object *list;
|
struct lto_object *list;
|
char *lto_wrapper = getenv ("COLLECT_LTO_WRAPPER");
|
char *lto_wrapper = getenv ("COLLECT_LTO_WRAPPER");
|
struct pex_obj *pex;
|
struct pex_obj *pex;
|
const char *prog = "lto-wrapper";
|
const char *prog = "lto-wrapper";
|
|
|
if (!lto_wrapper)
|
if (!lto_wrapper)
|
fatal ("COLLECT_LTO_WRAPPER must be set.");
|
fatal ("COLLECT_LTO_WRAPPER must be set.");
|
|
|
/* There is at least one object file containing LTO info,
|
/* There is at least one object file containing LTO info,
|
so we need to run the LTO back end and relink. */
|
so we need to run the LTO back end and relink. */
|
|
|
/* Get compiler options passed down from the parent `gcc' command.
|
/* Get compiler options passed down from the parent `gcc' command.
|
These must be passed to the LTO back end. */
|
These must be passed to the LTO back end. */
|
opts = getenv ("COLLECT_GCC_OPTIONS");
|
opts = getenv ("COLLECT_GCC_OPTIONS");
|
|
|
/* Increment the argument count by the number of inherited options.
|
/* Increment the argument count by the number of inherited options.
|
Some arguments may be filtered out later. Again, an upper bound
|
Some arguments may be filtered out later. Again, an upper bound
|
suffices. */
|
suffices. */
|
|
|
cp = opts;
|
cp = opts;
|
|
|
while (cp && *cp)
|
while (cp && *cp)
|
{
|
{
|
extract_string (&cp);
|
extract_string (&cp);
|
num_lto_c_args++;
|
num_lto_c_args++;
|
}
|
}
|
obstack_free (&temporary_obstack, temporary_firstobj);
|
obstack_free (&temporary_obstack, temporary_firstobj);
|
|
|
if (debug)
|
if (debug)
|
num_lto_c_args++;
|
num_lto_c_args++;
|
|
|
/* Increment the argument count by the number of initial
|
/* Increment the argument count by the number of initial
|
arguments added below. */
|
arguments added below. */
|
num_lto_c_args += 9;
|
num_lto_c_args += 9;
|
|
|
lto_c_argv = (char **) xcalloc (sizeof (char *), num_lto_c_args);
|
lto_c_argv = (char **) xcalloc (sizeof (char *), num_lto_c_args);
|
lto_c_ptr = CONST_CAST2 (const char **, char **, lto_c_argv);
|
lto_c_ptr = CONST_CAST2 (const char **, char **, lto_c_argv);
|
|
|
*lto_c_ptr++ = lto_wrapper;
|
*lto_c_ptr++ = lto_wrapper;
|
*lto_c_ptr++ = c_file_name;
|
*lto_c_ptr++ = c_file_name;
|
|
|
cp = opts;
|
cp = opts;
|
|
|
while (cp && *cp)
|
while (cp && *cp)
|
{
|
{
|
const char *s = extract_string (&cp);
|
const char *s = extract_string (&cp);
|
|
|
/* Pass the option or argument to the wrapper. */
|
/* Pass the option or argument to the wrapper. */
|
*lto_c_ptr++ = xstrdup (s);
|
*lto_c_ptr++ = xstrdup (s);
|
}
|
}
|
obstack_free (&temporary_obstack, temporary_firstobj);
|
obstack_free (&temporary_obstack, temporary_firstobj);
|
|
|
if (debug)
|
if (debug)
|
*lto_c_ptr++ = xstrdup ("-debug");
|
*lto_c_ptr++ = xstrdup ("-debug");
|
|
|
/* Add LTO objects to the wrapper command line. */
|
/* Add LTO objects to the wrapper command line. */
|
for (list = lto_objects.first; list; list = list->next)
|
for (list = lto_objects.first; list; list = list->next)
|
*lto_c_ptr++ = list->name;
|
*lto_c_ptr++ = list->name;
|
|
|
*lto_c_ptr = NULL;
|
*lto_c_ptr = NULL;
|
|
|
/* Save intermediate WPA files in lto1 if debug. */
|
/* Save intermediate WPA files in lto1 if debug. */
|
if (debug)
|
if (debug)
|
putenv (xstrdup ("WPA_SAVE_LTRANS=1"));
|
putenv (xstrdup ("WPA_SAVE_LTRANS=1"));
|
|
|
/* Run the LTO back end. */
|
/* Run the LTO back end. */
|
pex = collect_execute (prog, lto_c_argv, NULL, NULL, PEX_SEARCH);
|
pex = collect_execute (prog, lto_c_argv, NULL, NULL, PEX_SEARCH);
|
{
|
{
|
int c;
|
int c;
|
FILE *stream;
|
FILE *stream;
|
size_t i, num_files;
|
size_t i, num_files;
|
char *start, *end;
|
char *start, *end;
|
|
|
stream = pex_read_output (pex, 0);
|
stream = pex_read_output (pex, 0);
|
gcc_assert (stream);
|
gcc_assert (stream);
|
|
|
num_files = 0;
|
num_files = 0;
|
while ((c = getc (stream)) != EOF)
|
while ((c = getc (stream)) != EOF)
|
{
|
{
|
obstack_1grow (&temporary_obstack, c);
|
obstack_1grow (&temporary_obstack, c);
|
if (c == '\n')
|
if (c == '\n')
|
++num_files;
|
++num_files;
|
}
|
}
|
|
|
lto_o_files = XNEWVEC (char *, num_files + 1);
|
lto_o_files = XNEWVEC (char *, num_files + 1);
|
lto_o_files[num_files] = NULL;
|
lto_o_files[num_files] = NULL;
|
start = XOBFINISH (&temporary_obstack, char *);
|
start = XOBFINISH (&temporary_obstack, char *);
|
for (i = 0; i < num_files; ++i)
|
for (i = 0; i < num_files; ++i)
|
{
|
{
|
end = start;
|
end = start;
|
while (*end != '\n')
|
while (*end != '\n')
|
++end;
|
++end;
|
*end = '\0';
|
*end = '\0';
|
|
|
lto_o_files[i] = xstrdup (start);
|
lto_o_files[i] = xstrdup (start);
|
|
|
start = end + 1;
|
start = end + 1;
|
}
|
}
|
|
|
obstack_free (&temporary_obstack, temporary_firstobj);
|
obstack_free (&temporary_obstack, temporary_firstobj);
|
}
|
}
|
do_wait (prog, pex);
|
do_wait (prog, pex);
|
pex = NULL;
|
pex = NULL;
|
|
|
/* After running the LTO back end, we will relink, substituting
|
/* After running the LTO back end, we will relink, substituting
|
the LTO output for the object files that we submitted to the
|
the LTO output for the object files that we submitted to the
|
LTO. Here, we modify the linker command line for the relink. */
|
LTO. Here, we modify the linker command line for the relink. */
|
p = CONST_CAST2 (const char **, char **, lto_ld_argv);
|
p = CONST_CAST2 (const char **, char **, lto_ld_argv);
|
lto_o_ptr = CONST_CAST2 (const char **, char **, lto_o_files);
|
lto_o_ptr = CONST_CAST2 (const char **, char **, lto_o_files);
|
|
|
while (*p != NULL)
|
while (*p != NULL)
|
{
|
{
|
for (list = lto_objects.first; list; list = list->next)
|
for (list = lto_objects.first; list; list = list->next)
|
{
|
{
|
if (*p == list->name) /* Note test for pointer equality! */
|
if (*p == list->name) /* Note test for pointer equality! */
|
{
|
{
|
/* Excise argument from linker command line. */
|
/* Excise argument from linker command line. */
|
if (*lto_o_ptr)
|
if (*lto_o_ptr)
|
{
|
{
|
/* Replace first argument with LTO output file. */
|
/* Replace first argument with LTO output file. */
|
*p++ = *lto_o_ptr++;
|
*p++ = *lto_o_ptr++;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Move following arguments one position earlier,
|
/* Move following arguments one position earlier,
|
overwriting the current argument. */
|
overwriting the current argument. */
|
q = p;
|
q = p;
|
r = p + 1;
|
r = p + 1;
|
while (*r != NULL)
|
while (*r != NULL)
|
*q++ = *r++;
|
*q++ = *r++;
|
*q = NULL;
|
*q = NULL;
|
}
|
}
|
|
|
/* No need to continue searching the LTO object list. */
|
/* No need to continue searching the LTO object list. */
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/* If we didn't find a match, move on to the next argument.
|
/* If we didn't find a match, move on to the next argument.
|
Otherwise, P has been set to the correct argument position
|
Otherwise, P has been set to the correct argument position
|
at which to continue. */
|
at which to continue. */
|
if (!list) ++p;
|
if (!list) ++p;
|
}
|
}
|
|
|
/* The code above assumes we will never have more lto output files than
|
/* The code above assumes we will never have more lto output files than
|
input files. Otherwise, we need to resize lto_ld_argv. Check this
|
input files. Otherwise, we need to resize lto_ld_argv. Check this
|
assumption. */
|
assumption. */
|
if (*lto_o_ptr)
|
if (*lto_o_ptr)
|
fatal ("too many lto output files");
|
fatal ("too many lto output files");
|
|
|
/* Run the linker again, this time replacing the object files
|
/* Run the linker again, this time replacing the object files
|
optimized by the LTO with the temporary file generated by the LTO. */
|
optimized by the LTO with the temporary file generated by the LTO. */
|
fork_execute ("ld", lto_ld_argv);
|
fork_execute ("ld", lto_ld_argv);
|
|
|
maybe_unlink_list (lto_o_files);
|
maybe_unlink_list (lto_o_files);
|
}
|
}
|
else if (force)
|
else if (force)
|
{
|
{
|
/* Our caller is relying on us to do the link
|
/* Our caller is relying on us to do the link
|
even though there is no LTO back end work to be done. */
|
even though there is no LTO back end work to be done. */
|
fork_execute ("ld", lto_ld_argv);
|
fork_execute ("ld", lto_ld_argv);
|
}
|
}
|
}
|
}
|
|
|
/* Main program. */
|
/* Main program. */
|
|
|
int
|
int
|
main (int argc, char **argv)
|
main (int argc, char **argv)
|
{
|
{
|
static const char *const ld_suffix = "ld";
|
static const char *const ld_suffix = "ld";
|
static const char *const plugin_ld_suffix = PLUGIN_LD;
|
static const char *const plugin_ld_suffix = PLUGIN_LD;
|
static const char *const real_ld_suffix = "real-ld";
|
static const char *const real_ld_suffix = "real-ld";
|
static const char *const collect_ld_suffix = "collect-ld";
|
static const char *const collect_ld_suffix = "collect-ld";
|
static const char *const nm_suffix = "nm";
|
static const char *const nm_suffix = "nm";
|
static const char *const gnm_suffix = "gnm";
|
static const char *const gnm_suffix = "gnm";
|
#ifdef LDD_SUFFIX
|
#ifdef LDD_SUFFIX
|
static const char *const ldd_suffix = LDD_SUFFIX;
|
static const char *const ldd_suffix = LDD_SUFFIX;
|
#endif
|
#endif
|
static const char *const strip_suffix = "strip";
|
static const char *const strip_suffix = "strip";
|
static const char *const gstrip_suffix = "gstrip";
|
static const char *const gstrip_suffix = "gstrip";
|
|
|
#ifdef CROSS_DIRECTORY_STRUCTURE
|
#ifdef CROSS_DIRECTORY_STRUCTURE
|
/* If we look for a program in the compiler directories, we just use
|
/* If we look for a program in the compiler directories, we just use
|
the short name, since these directories are already system-specific.
|
the short name, since these directories are already system-specific.
|
But it we look for a program in the system directories, we need to
|
But it we look for a program in the system directories, we need to
|
qualify the program name with the target machine. */
|
qualify the program name with the target machine. */
|
|
|
const char *const full_ld_suffix =
|
const char *const full_ld_suffix =
|
concat(target_machine, "-", ld_suffix, NULL);
|
concat(target_machine, "-", ld_suffix, NULL);
|
const char *const full_plugin_ld_suffix =
|
const char *const full_plugin_ld_suffix =
|
concat(target_machine, "-", plugin_ld_suffix, NULL);
|
concat(target_machine, "-", plugin_ld_suffix, NULL);
|
const char *const full_nm_suffix =
|
const char *const full_nm_suffix =
|
concat (target_machine, "-", nm_suffix, NULL);
|
concat (target_machine, "-", nm_suffix, NULL);
|
const char *const full_gnm_suffix =
|
const char *const full_gnm_suffix =
|
concat (target_machine, "-", gnm_suffix, NULL);
|
concat (target_machine, "-", gnm_suffix, NULL);
|
#ifdef LDD_SUFFIX
|
#ifdef LDD_SUFFIX
|
const char *const full_ldd_suffix =
|
const char *const full_ldd_suffix =
|
concat (target_machine, "-", ldd_suffix, NULL);
|
concat (target_machine, "-", ldd_suffix, NULL);
|
#endif
|
#endif
|
const char *const full_strip_suffix =
|
const char *const full_strip_suffix =
|
concat (target_machine, "-", strip_suffix, NULL);
|
concat (target_machine, "-", strip_suffix, NULL);
|
const char *const full_gstrip_suffix =
|
const char *const full_gstrip_suffix =
|
concat (target_machine, "-", gstrip_suffix, NULL);
|
concat (target_machine, "-", gstrip_suffix, NULL);
|
#else
|
#else
|
const char *const full_ld_suffix = ld_suffix;
|
const char *const full_ld_suffix = ld_suffix;
|
const char *const full_plugin_ld_suffix = plugin_ld_suffix;
|
const char *const full_plugin_ld_suffix = plugin_ld_suffix;
|
const char *const full_nm_suffix = nm_suffix;
|
const char *const full_nm_suffix = nm_suffix;
|
const char *const full_gnm_suffix = gnm_suffix;
|
const char *const full_gnm_suffix = gnm_suffix;
|
#ifdef LDD_SUFFIX
|
#ifdef LDD_SUFFIX
|
const char *const full_ldd_suffix = ldd_suffix;
|
const char *const full_ldd_suffix = ldd_suffix;
|
#endif
|
#endif
|
const char *const full_strip_suffix = strip_suffix;
|
const char *const full_strip_suffix = strip_suffix;
|
const char *const full_gstrip_suffix = gstrip_suffix;
|
const char *const full_gstrip_suffix = gstrip_suffix;
|
#endif /* CROSS_DIRECTORY_STRUCTURE */
|
#endif /* CROSS_DIRECTORY_STRUCTURE */
|
|
|
const char *arg;
|
const char *arg;
|
FILE *outf;
|
FILE *outf;
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
FILE *exportf;
|
FILE *exportf;
|
#endif
|
#endif
|
const char *ld_file_name;
|
const char *ld_file_name;
|
const char *p;
|
const char *p;
|
char **c_argv;
|
char **c_argv;
|
const char **c_ptr;
|
const char **c_ptr;
|
char **ld1_argv;
|
char **ld1_argv;
|
const char **ld1;
|
const char **ld1;
|
bool use_plugin = false;
|
bool use_plugin = false;
|
|
|
/* The kinds of symbols we will have to consider when scanning the
|
/* The kinds of symbols we will have to consider when scanning the
|
outcome of a first pass link. This is ALL to start with, then might
|
outcome of a first pass link. This is ALL to start with, then might
|
be adjusted before getting to the first pass link per se, typically on
|
be adjusted before getting to the first pass link per se, typically on
|
AIX where we perform an early scan of objects and libraries to fetch
|
AIX where we perform an early scan of objects and libraries to fetch
|
the list of global ctors/dtors and make sure they are not garbage
|
the list of global ctors/dtors and make sure they are not garbage
|
collected. */
|
collected. */
|
scanfilter ld1_filter = SCAN_ALL;
|
scanfilter ld1_filter = SCAN_ALL;
|
|
|
char **ld2_argv;
|
char **ld2_argv;
|
const char **ld2;
|
const char **ld2;
|
char **object_lst;
|
char **object_lst;
|
const char **object;
|
const char **object;
|
int first_file;
|
int first_file;
|
int num_c_args;
|
int num_c_args;
|
char **old_argv;
|
char **old_argv;
|
|
|
bool use_verbose = false;
|
bool use_verbose = false;
|
|
|
old_argv = argv;
|
old_argv = argv;
|
expandargv (&argc, &argv);
|
expandargv (&argc, &argv);
|
if (argv != old_argv)
|
if (argv != old_argv)
|
at_file_supplied = 1;
|
at_file_supplied = 1;
|
|
|
num_c_args = argc + 9;
|
num_c_args = argc + 9;
|
|
|
no_demangle = !! getenv ("COLLECT_NO_DEMANGLE");
|
no_demangle = !! getenv ("COLLECT_NO_DEMANGLE");
|
|
|
/* Suppress demangling by the real linker, which may be broken. */
|
/* Suppress demangling by the real linker, which may be broken. */
|
putenv (xstrdup ("COLLECT_NO_DEMANGLE="));
|
putenv (xstrdup ("COLLECT_NO_DEMANGLE="));
|
|
|
#if defined (COLLECT2_HOST_INITIALIZATION)
|
#if defined (COLLECT2_HOST_INITIALIZATION)
|
/* Perform system dependent initialization, if necessary. */
|
/* Perform system dependent initialization, if necessary. */
|
COLLECT2_HOST_INITIALIZATION;
|
COLLECT2_HOST_INITIALIZATION;
|
#endif
|
#endif
|
|
|
#ifdef SIGCHLD
|
#ifdef SIGCHLD
|
/* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will
|
/* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will
|
receive the signal. A different setting is inheritable */
|
receive the signal. A different setting is inheritable */
|
signal (SIGCHLD, SIG_DFL);
|
signal (SIGCHLD, SIG_DFL);
|
#endif
|
#endif
|
|
|
/* Unlock the stdio streams. */
|
/* Unlock the stdio streams. */
|
unlock_std_streams ();
|
unlock_std_streams ();
|
|
|
gcc_init_libintl ();
|
gcc_init_libintl ();
|
|
|
/* Do not invoke xcalloc before this point, since locale needs to be
|
/* Do not invoke xcalloc before this point, since locale needs to be
|
set first, in case a diagnostic is issued. */
|
set first, in case a diagnostic is issued. */
|
|
|
ld1_argv = XCNEWVEC (char *, argc + 4);
|
ld1_argv = XCNEWVEC (char *, argc + 4);
|
ld1 = CONST_CAST2 (const char **, char **, ld1_argv);
|
ld1 = CONST_CAST2 (const char **, char **, ld1_argv);
|
ld2_argv = XCNEWVEC (char *, argc + 11);
|
ld2_argv = XCNEWVEC (char *, argc + 11);
|
ld2 = CONST_CAST2 (const char **, char **, ld2_argv);
|
ld2 = CONST_CAST2 (const char **, char **, ld2_argv);
|
object_lst = XCNEWVEC (char *, argc);
|
object_lst = XCNEWVEC (char *, argc);
|
object = CONST_CAST2 (const char **, char **, object_lst);
|
object = CONST_CAST2 (const char **, char **, object_lst);
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
debug = 1;
|
debug = 1;
|
#endif
|
#endif
|
|
|
/* Parse command line early for instances of -debug. This allows
|
/* Parse command line early for instances of -debug. This allows
|
the debug flag to be set before functions like find_a_file()
|
the debug flag to be set before functions like find_a_file()
|
are called. We also look for the -flto or -fwhopr flag to know
|
are called. We also look for the -flto or -fwhopr flag to know
|
what LTO mode we are in. */
|
what LTO mode we are in. */
|
{
|
{
|
int i;
|
int i;
|
|
|
for (i = 1; argv[i] != NULL; i ++)
|
for (i = 1; argv[i] != NULL; i ++)
|
{
|
{
|
if (! strcmp (argv[i], "-debug"))
|
if (! strcmp (argv[i], "-debug"))
|
debug = 1;
|
debug = 1;
|
else if (! strcmp (argv[i], "-flto") && ! use_plugin)
|
else if (! strcmp (argv[i], "-flto") && ! use_plugin)
|
{
|
{
|
use_verbose = true;
|
use_verbose = true;
|
lto_mode = LTO_MODE_LTO;
|
lto_mode = LTO_MODE_LTO;
|
}
|
}
|
else if (! strcmp (argv[i], "-fwhopr") && ! use_plugin)
|
else if (! strcmp (argv[i], "-fwhopr") && ! use_plugin)
|
{
|
{
|
use_verbose = true;
|
use_verbose = true;
|
lto_mode = LTO_MODE_WHOPR;
|
lto_mode = LTO_MODE_WHOPR;
|
}
|
}
|
else if (! strcmp (argv[i], "-plugin"))
|
else if (! strcmp (argv[i], "-plugin"))
|
{
|
{
|
use_plugin = true;
|
use_plugin = true;
|
use_verbose = true;
|
use_verbose = true;
|
lto_mode = LTO_MODE_NONE;
|
lto_mode = LTO_MODE_NONE;
|
}
|
}
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* since -brtl, -bexport, -b64 are not position dependent
|
/* since -brtl, -bexport, -b64 are not position dependent
|
also check for them here */
|
also check for them here */
|
if ((argv[i][0] == '-') && (argv[i][1] == 'b'))
|
if ((argv[i][0] == '-') && (argv[i][1] == 'b'))
|
{
|
{
|
arg = argv[i];
|
arg = argv[i];
|
/* We want to disable automatic exports on AIX when user
|
/* We want to disable automatic exports on AIX when user
|
explicitly puts an export list in command line */
|
explicitly puts an export list in command line */
|
if (arg[2] == 'E' || strncmp (&arg[2], "export", 6) == 0)
|
if (arg[2] == 'E' || strncmp (&arg[2], "export", 6) == 0)
|
export_flag = 1;
|
export_flag = 1;
|
else if (arg[2] == '6' && arg[3] == '4')
|
else if (arg[2] == '6' && arg[3] == '4')
|
aix64_flag = 1;
|
aix64_flag = 1;
|
else if (arg[2] == 'r' && arg[3] == 't' && arg[4] == 'l')
|
else if (arg[2] == 'r' && arg[3] == 't' && arg[4] == 'l')
|
aixrtl_flag = 1;
|
aixrtl_flag = 1;
|
}
|
}
|
#endif
|
#endif
|
}
|
}
|
vflag = debug;
|
vflag = debug;
|
}
|
}
|
|
|
#ifndef DEFAULT_A_OUT_NAME
|
#ifndef DEFAULT_A_OUT_NAME
|
output_file = "a.out";
|
output_file = "a.out";
|
#else
|
#else
|
output_file = DEFAULT_A_OUT_NAME;
|
output_file = DEFAULT_A_OUT_NAME;
|
#endif
|
#endif
|
|
|
obstack_begin (&temporary_obstack, 0);
|
obstack_begin (&temporary_obstack, 0);
|
temporary_firstobj = (char *) obstack_alloc (&temporary_obstack, 0);
|
temporary_firstobj = (char *) obstack_alloc (&temporary_obstack, 0);
|
|
|
#ifndef HAVE_LD_DEMANGLE
|
#ifndef HAVE_LD_DEMANGLE
|
current_demangling_style = auto_demangling;
|
current_demangling_style = auto_demangling;
|
#endif
|
#endif
|
p = getenv ("COLLECT_GCC_OPTIONS");
|
p = getenv ("COLLECT_GCC_OPTIONS");
|
while (p && *p)
|
while (p && *p)
|
{
|
{
|
const char *q = extract_string (&p);
|
const char *q = extract_string (&p);
|
if (*q == '-' && (q[1] == 'm' || q[1] == 'f'))
|
if (*q == '-' && (q[1] == 'm' || q[1] == 'f'))
|
num_c_args++;
|
num_c_args++;
|
}
|
}
|
obstack_free (&temporary_obstack, temporary_firstobj);
|
obstack_free (&temporary_obstack, temporary_firstobj);
|
|
|
/* -fno-profile-arcs -fno-test-coverage -fno-branch-probabilities
|
/* -fno-profile-arcs -fno-test-coverage -fno-branch-probabilities
|
-fno-exceptions -w -fno-whole-program */
|
-fno-exceptions -w -fno-whole-program */
|
num_c_args += 6;
|
num_c_args += 6;
|
|
|
c_argv = XCNEWVEC (char *, num_c_args);
|
c_argv = XCNEWVEC (char *, num_c_args);
|
c_ptr = CONST_CAST2 (const char **, char **, c_argv);
|
c_ptr = CONST_CAST2 (const char **, char **, c_argv);
|
|
|
if (argc < 2)
|
if (argc < 2)
|
fatal ("no arguments");
|
fatal ("no arguments");
|
|
|
#ifdef SIGQUIT
|
#ifdef SIGQUIT
|
if (signal (SIGQUIT, SIG_IGN) != SIG_IGN)
|
if (signal (SIGQUIT, SIG_IGN) != SIG_IGN)
|
signal (SIGQUIT, handler);
|
signal (SIGQUIT, handler);
|
#endif
|
#endif
|
if (signal (SIGINT, SIG_IGN) != SIG_IGN)
|
if (signal (SIGINT, SIG_IGN) != SIG_IGN)
|
signal (SIGINT, handler);
|
signal (SIGINT, handler);
|
#ifdef SIGALRM
|
#ifdef SIGALRM
|
if (signal (SIGALRM, SIG_IGN) != SIG_IGN)
|
if (signal (SIGALRM, SIG_IGN) != SIG_IGN)
|
signal (SIGALRM, handler);
|
signal (SIGALRM, handler);
|
#endif
|
#endif
|
#ifdef SIGHUP
|
#ifdef SIGHUP
|
if (signal (SIGHUP, SIG_IGN) != SIG_IGN)
|
if (signal (SIGHUP, SIG_IGN) != SIG_IGN)
|
signal (SIGHUP, handler);
|
signal (SIGHUP, handler);
|
#endif
|
#endif
|
if (signal (SIGSEGV, SIG_IGN) != SIG_IGN)
|
if (signal (SIGSEGV, SIG_IGN) != SIG_IGN)
|
signal (SIGSEGV, handler);
|
signal (SIGSEGV, handler);
|
#ifdef SIGBUS
|
#ifdef SIGBUS
|
if (signal (SIGBUS, SIG_IGN) != SIG_IGN)
|
if (signal (SIGBUS, SIG_IGN) != SIG_IGN)
|
signal (SIGBUS, handler);
|
signal (SIGBUS, handler);
|
#endif
|
#endif
|
|
|
/* Extract COMPILER_PATH and PATH into our prefix list. */
|
/* Extract COMPILER_PATH and PATH into our prefix list. */
|
prefix_from_env ("COMPILER_PATH", &cpath);
|
prefix_from_env ("COMPILER_PATH", &cpath);
|
prefix_from_env ("PATH", &path);
|
prefix_from_env ("PATH", &path);
|
|
|
/* Try to discover a valid linker/nm/strip to use. */
|
/* Try to discover a valid linker/nm/strip to use. */
|
|
|
/* Maybe we know the right file to use (if not cross). */
|
/* Maybe we know the right file to use (if not cross). */
|
ld_file_name = 0;
|
ld_file_name = 0;
|
#ifdef DEFAULT_LINKER
|
#ifdef DEFAULT_LINKER
|
if (access (DEFAULT_LINKER, X_OK) == 0)
|
if (access (DEFAULT_LINKER, X_OK) == 0)
|
ld_file_name = DEFAULT_LINKER;
|
ld_file_name = DEFAULT_LINKER;
|
if (ld_file_name == 0)
|
if (ld_file_name == 0)
|
#endif
|
#endif
|
#ifdef REAL_LD_FILE_NAME
|
#ifdef REAL_LD_FILE_NAME
|
ld_file_name = find_a_file (&path, REAL_LD_FILE_NAME);
|
ld_file_name = find_a_file (&path, REAL_LD_FILE_NAME);
|
if (ld_file_name == 0)
|
if (ld_file_name == 0)
|
#endif
|
#endif
|
/* Search the (target-specific) compiler dirs for ld'. */
|
/* Search the (target-specific) compiler dirs for ld'. */
|
ld_file_name = find_a_file (&cpath, real_ld_suffix);
|
ld_file_name = find_a_file (&cpath, real_ld_suffix);
|
/* Likewise for `collect-ld'. */
|
/* Likewise for `collect-ld'. */
|
if (ld_file_name == 0)
|
if (ld_file_name == 0)
|
ld_file_name = find_a_file (&cpath, collect_ld_suffix);
|
ld_file_name = find_a_file (&cpath, collect_ld_suffix);
|
/* Search the compiler directories for `ld'. We have protection against
|
/* Search the compiler directories for `ld'. We have protection against
|
recursive calls in find_a_file. */
|
recursive calls in find_a_file. */
|
if (ld_file_name == 0)
|
if (ld_file_name == 0)
|
ld_file_name = find_a_file (&cpath,
|
ld_file_name = find_a_file (&cpath,
|
use_plugin
|
use_plugin
|
? plugin_ld_suffix
|
? plugin_ld_suffix
|
: ld_suffix);
|
: ld_suffix);
|
/* Search the ordinary system bin directories
|
/* Search the ordinary system bin directories
|
for `ld' (if native linking) or `TARGET-ld' (if cross). */
|
for `ld' (if native linking) or `TARGET-ld' (if cross). */
|
if (ld_file_name == 0)
|
if (ld_file_name == 0)
|
ld_file_name = find_a_file (&path,
|
ld_file_name = find_a_file (&path,
|
use_plugin
|
use_plugin
|
? full_plugin_ld_suffix
|
? full_plugin_ld_suffix
|
: full_ld_suffix);
|
: full_ld_suffix);
|
|
|
#ifdef REAL_NM_FILE_NAME
|
#ifdef REAL_NM_FILE_NAME
|
nm_file_name = find_a_file (&path, REAL_NM_FILE_NAME);
|
nm_file_name = find_a_file (&path, REAL_NM_FILE_NAME);
|
if (nm_file_name == 0)
|
if (nm_file_name == 0)
|
#endif
|
#endif
|
nm_file_name = find_a_file (&cpath, gnm_suffix);
|
nm_file_name = find_a_file (&cpath, gnm_suffix);
|
if (nm_file_name == 0)
|
if (nm_file_name == 0)
|
nm_file_name = find_a_file (&path, full_gnm_suffix);
|
nm_file_name = find_a_file (&path, full_gnm_suffix);
|
if (nm_file_name == 0)
|
if (nm_file_name == 0)
|
nm_file_name = find_a_file (&cpath, nm_suffix);
|
nm_file_name = find_a_file (&cpath, nm_suffix);
|
if (nm_file_name == 0)
|
if (nm_file_name == 0)
|
nm_file_name = find_a_file (&path, full_nm_suffix);
|
nm_file_name = find_a_file (&path, full_nm_suffix);
|
|
|
#ifdef LDD_SUFFIX
|
#ifdef LDD_SUFFIX
|
ldd_file_name = find_a_file (&cpath, ldd_suffix);
|
ldd_file_name = find_a_file (&cpath, ldd_suffix);
|
if (ldd_file_name == 0)
|
if (ldd_file_name == 0)
|
ldd_file_name = find_a_file (&path, full_ldd_suffix);
|
ldd_file_name = find_a_file (&path, full_ldd_suffix);
|
#endif
|
#endif
|
|
|
#ifdef REAL_STRIP_FILE_NAME
|
#ifdef REAL_STRIP_FILE_NAME
|
strip_file_name = find_a_file (&path, REAL_STRIP_FILE_NAME);
|
strip_file_name = find_a_file (&path, REAL_STRIP_FILE_NAME);
|
if (strip_file_name == 0)
|
if (strip_file_name == 0)
|
#endif
|
#endif
|
strip_file_name = find_a_file (&cpath, gstrip_suffix);
|
strip_file_name = find_a_file (&cpath, gstrip_suffix);
|
if (strip_file_name == 0)
|
if (strip_file_name == 0)
|
strip_file_name = find_a_file (&path, full_gstrip_suffix);
|
strip_file_name = find_a_file (&path, full_gstrip_suffix);
|
if (strip_file_name == 0)
|
if (strip_file_name == 0)
|
strip_file_name = find_a_file (&cpath, strip_suffix);
|
strip_file_name = find_a_file (&cpath, strip_suffix);
|
if (strip_file_name == 0)
|
if (strip_file_name == 0)
|
strip_file_name = find_a_file (&path, full_strip_suffix);
|
strip_file_name = find_a_file (&path, full_strip_suffix);
|
|
|
/* Determine the full path name of the C compiler to use. */
|
/* Determine the full path name of the C compiler to use. */
|
c_file_name = getenv ("COLLECT_GCC");
|
c_file_name = getenv ("COLLECT_GCC");
|
if (c_file_name == 0)
|
if (c_file_name == 0)
|
{
|
{
|
#ifdef CROSS_DIRECTORY_STRUCTURE
|
#ifdef CROSS_DIRECTORY_STRUCTURE
|
c_file_name = concat (target_machine, "-gcc", NULL);
|
c_file_name = concat (target_machine, "-gcc", NULL);
|
#else
|
#else
|
c_file_name = "gcc";
|
c_file_name = "gcc";
|
#endif
|
#endif
|
}
|
}
|
|
|
p = find_a_file (&cpath, c_file_name);
|
p = find_a_file (&cpath, c_file_name);
|
|
|
/* Here it should be safe to use the system search path since we should have
|
/* Here it should be safe to use the system search path since we should have
|
already qualified the name of the compiler when it is needed. */
|
already qualified the name of the compiler when it is needed. */
|
if (p == 0)
|
if (p == 0)
|
p = find_a_file (&path, c_file_name);
|
p = find_a_file (&path, c_file_name);
|
|
|
if (p)
|
if (p)
|
c_file_name = p;
|
c_file_name = p;
|
|
|
*ld1++ = *ld2++ = ld_file_name;
|
*ld1++ = *ld2++ = ld_file_name;
|
|
|
/* Make temp file names. */
|
/* Make temp file names. */
|
c_file = make_temp_file (".c");
|
c_file = make_temp_file (".c");
|
o_file = make_temp_file (".o");
|
o_file = make_temp_file (".o");
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
export_file = make_temp_file (".x");
|
export_file = make_temp_file (".x");
|
#endif
|
#endif
|
ldout = make_temp_file (".ld");
|
ldout = make_temp_file (".ld");
|
lderrout = make_temp_file (".le");
|
lderrout = make_temp_file (".le");
|
*c_ptr++ = c_file_name;
|
*c_ptr++ = c_file_name;
|
*c_ptr++ = "-x";
|
*c_ptr++ = "-x";
|
*c_ptr++ = "c";
|
*c_ptr++ = "c";
|
*c_ptr++ = "-c";
|
*c_ptr++ = "-c";
|
*c_ptr++ = "-o";
|
*c_ptr++ = "-o";
|
*c_ptr++ = o_file;
|
*c_ptr++ = o_file;
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* Generate a list of directories from LIBPATH. */
|
/* Generate a list of directories from LIBPATH. */
|
prefix_from_env ("LIBPATH", &libpath_lib_dirs);
|
prefix_from_env ("LIBPATH", &libpath_lib_dirs);
|
/* Add to this list also two standard directories where
|
/* Add to this list also two standard directories where
|
AIX loader always searches for libraries. */
|
AIX loader always searches for libraries. */
|
add_prefix (&libpath_lib_dirs, "/lib");
|
add_prefix (&libpath_lib_dirs, "/lib");
|
add_prefix (&libpath_lib_dirs, "/usr/lib");
|
add_prefix (&libpath_lib_dirs, "/usr/lib");
|
#endif
|
#endif
|
|
|
/* Get any options that the upper GCC wants to pass to the sub-GCC.
|
/* Get any options that the upper GCC wants to pass to the sub-GCC.
|
|
|
AIX support needs to know if -shared has been specified before
|
AIX support needs to know if -shared has been specified before
|
parsing commandline arguments. */
|
parsing commandline arguments. */
|
|
|
p = getenv ("COLLECT_GCC_OPTIONS");
|
p = getenv ("COLLECT_GCC_OPTIONS");
|
while (p && *p)
|
while (p && *p)
|
{
|
{
|
const char *q = extract_string (&p);
|
const char *q = extract_string (&p);
|
if (*q == '-' && (q[1] == 'm' || q[1] == 'f'))
|
if (*q == '-' && (q[1] == 'm' || q[1] == 'f'))
|
*c_ptr++ = xstrdup (q);
|
*c_ptr++ = xstrdup (q);
|
if (strcmp (q, "-EL") == 0 || strcmp (q, "-EB") == 0)
|
if (strcmp (q, "-EL") == 0 || strcmp (q, "-EB") == 0)
|
*c_ptr++ = xstrdup (q);
|
*c_ptr++ = xstrdup (q);
|
if (strcmp (q, "-shared") == 0)
|
if (strcmp (q, "-shared") == 0)
|
shared_obj = 1;
|
shared_obj = 1;
|
if (*q == '-' && q[1] == 'B')
|
if (*q == '-' && q[1] == 'B')
|
{
|
{
|
*c_ptr++ = xstrdup (q);
|
*c_ptr++ = xstrdup (q);
|
if (q[2] == 0)
|
if (q[2] == 0)
|
{
|
{
|
q = extract_string (&p);
|
q = extract_string (&p);
|
*c_ptr++ = xstrdup (q);
|
*c_ptr++ = xstrdup (q);
|
}
|
}
|
}
|
}
|
if (use_verbose && *q == '-' && q[1] == 'v' && q[2] == 0)
|
if (use_verbose && *q == '-' && q[1] == 'v' && q[2] == 0)
|
{
|
{
|
/* Turn on trace in collect2 if needed. */
|
/* Turn on trace in collect2 if needed. */
|
vflag = 1;
|
vflag = 1;
|
}
|
}
|
}
|
}
|
obstack_free (&temporary_obstack, temporary_firstobj);
|
obstack_free (&temporary_obstack, temporary_firstobj);
|
*c_ptr++ = "-fno-profile-arcs";
|
*c_ptr++ = "-fno-profile-arcs";
|
*c_ptr++ = "-fno-test-coverage";
|
*c_ptr++ = "-fno-test-coverage";
|
*c_ptr++ = "-fno-branch-probabilities";
|
*c_ptr++ = "-fno-branch-probabilities";
|
*c_ptr++ = "-fno-exceptions";
|
*c_ptr++ = "-fno-exceptions";
|
*c_ptr++ = "-w";
|
*c_ptr++ = "-w";
|
*c_ptr++ = "-fno-whole-program";
|
*c_ptr++ = "-fno-whole-program";
|
|
|
/* !!! When GCC calls collect2,
|
/* !!! When GCC calls collect2,
|
it does not know whether it is calling collect2 or ld.
|
it does not know whether it is calling collect2 or ld.
|
So collect2 cannot meaningfully understand any options
|
So collect2 cannot meaningfully understand any options
|
except those ld understands.
|
except those ld understands.
|
If you propose to make GCC pass some other option,
|
If you propose to make GCC pass some other option,
|
just imagine what will happen if ld is really ld!!! */
|
just imagine what will happen if ld is really ld!!! */
|
|
|
/* Parse arguments. Remember output file spec, pass the rest to ld. */
|
/* Parse arguments. Remember output file spec, pass the rest to ld. */
|
/* After the first file, put in the c++ rt0. */
|
/* After the first file, put in the c++ rt0. */
|
|
|
first_file = 1;
|
first_file = 1;
|
#ifdef HAVE_LD_DEMANGLE
|
#ifdef HAVE_LD_DEMANGLE
|
if (!demangle_flag && !no_demangle)
|
if (!demangle_flag && !no_demangle)
|
demangle_flag = "--demangle";
|
demangle_flag = "--demangle";
|
if (demangle_flag)
|
if (demangle_flag)
|
*ld1++ = *ld2++ = demangle_flag;
|
*ld1++ = *ld2++ = demangle_flag;
|
#endif
|
#endif
|
while ((arg = *++argv) != (char *) 0)
|
while ((arg = *++argv) != (char *) 0)
|
{
|
{
|
*ld1++ = *ld2++ = arg;
|
*ld1++ = *ld2++ = arg;
|
|
|
if (arg[0] == '-')
|
if (arg[0] == '-')
|
{
|
{
|
switch (arg[1])
|
switch (arg[1])
|
{
|
{
|
case 'd':
|
case 'd':
|
if (!strcmp (arg, "-debug"))
|
if (!strcmp (arg, "-debug"))
|
{
|
{
|
/* Already parsed. */
|
/* Already parsed. */
|
ld1--;
|
ld1--;
|
ld2--;
|
ld2--;
|
}
|
}
|
if (!strcmp (arg, "-dynamic-linker") && argv[1])
|
if (!strcmp (arg, "-dynamic-linker") && argv[1])
|
{
|
{
|
++argv;
|
++argv;
|
*ld1++ = *ld2++ = *argv;
|
*ld1++ = *ld2++ = *argv;
|
}
|
}
|
break;
|
break;
|
|
|
case 'f':
|
case 'f':
|
if (strcmp (arg, "-flto") == 0 || strcmp (arg, "-fwhopr") == 0)
|
if (strcmp (arg, "-flto") == 0 || strcmp (arg, "-fwhopr") == 0)
|
{
|
{
|
#ifdef ENABLE_LTO
|
#ifdef ENABLE_LTO
|
/* Do not pass LTO flag to the linker. */
|
/* Do not pass LTO flag to the linker. */
|
ld1--;
|
ld1--;
|
ld2--;
|
ld2--;
|
#else
|
#else
|
error ("LTO support has not been enabled in this "
|
error ("LTO support has not been enabled in this "
|
"configuration");
|
"configuration");
|
#endif
|
#endif
|
}
|
}
|
break;
|
break;
|
|
|
case 'l':
|
case 'l':
|
if (first_file)
|
if (first_file)
|
{
|
{
|
/* place o_file BEFORE this argument! */
|
/* place o_file BEFORE this argument! */
|
first_file = 0;
|
first_file = 0;
|
ld2--;
|
ld2--;
|
*ld2++ = o_file;
|
*ld2++ = o_file;
|
*ld2++ = arg;
|
*ld2++ = arg;
|
}
|
}
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
{
|
{
|
/* Resolving full library name. */
|
/* Resolving full library name. */
|
const char *s = resolve_lib_name (arg+2);
|
const char *s = resolve_lib_name (arg+2);
|
|
|
/* Saving a full library name. */
|
/* Saving a full library name. */
|
add_to_list (&libs, s);
|
add_to_list (&libs, s);
|
}
|
}
|
#endif
|
#endif
|
break;
|
break;
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* Saving directories where to search for libraries. */
|
/* Saving directories where to search for libraries. */
|
case 'L':
|
case 'L':
|
add_prefix (&cmdline_lib_dirs, arg+2);
|
add_prefix (&cmdline_lib_dirs, arg+2);
|
break;
|
break;
|
#else
|
#else
|
#if LINK_ELIMINATE_DUPLICATE_LDIRECTORIES
|
#if LINK_ELIMINATE_DUPLICATE_LDIRECTORIES
|
case 'L':
|
case 'L':
|
if (is_in_args (arg,
|
if (is_in_args (arg,
|
CONST_CAST2 (const char **, char **, ld1_argv),
|
CONST_CAST2 (const char **, char **, ld1_argv),
|
ld1 - 1))
|
ld1 - 1))
|
--ld1;
|
--ld1;
|
break;
|
break;
|
#endif /* LINK_ELIMINATE_DUPLICATE_LDIRECTORIES */
|
#endif /* LINK_ELIMINATE_DUPLICATE_LDIRECTORIES */
|
#endif
|
#endif
|
|
|
case 'o':
|
case 'o':
|
if (arg[2] == '\0')
|
if (arg[2] == '\0')
|
output_file = *ld1++ = *ld2++ = *++argv;
|
output_file = *ld1++ = *ld2++ = *++argv;
|
else if (1
|
else if (1
|
#ifdef SWITCHES_NEED_SPACES
|
#ifdef SWITCHES_NEED_SPACES
|
&& ! strchr (SWITCHES_NEED_SPACES, arg[1])
|
&& ! strchr (SWITCHES_NEED_SPACES, arg[1])
|
#endif
|
#endif
|
)
|
)
|
|
|
output_file = &arg[2];
|
output_file = &arg[2];
|
break;
|
break;
|
|
|
case 'r':
|
case 'r':
|
if (arg[2] == '\0')
|
if (arg[2] == '\0')
|
rflag = 1;
|
rflag = 1;
|
break;
|
break;
|
|
|
case 's':
|
case 's':
|
if (arg[2] == '\0' && do_collecting)
|
if (arg[2] == '\0' && do_collecting)
|
{
|
{
|
/* We must strip after the nm run, otherwise C++ linking
|
/* We must strip after the nm run, otherwise C++ linking
|
will not work. Thus we strip in the second ld run, or
|
will not work. Thus we strip in the second ld run, or
|
else with strip if there is no second ld run. */
|
else with strip if there is no second ld run. */
|
strip_flag = 1;
|
strip_flag = 1;
|
ld1--;
|
ld1--;
|
}
|
}
|
break;
|
break;
|
|
|
case 'v':
|
case 'v':
|
if (arg[2] == '\0')
|
if (arg[2] == '\0')
|
vflag = 1;
|
vflag = 1;
|
break;
|
break;
|
|
|
case '-':
|
case '-':
|
if (strcmp (arg, "--no-demangle") == 0)
|
if (strcmp (arg, "--no-demangle") == 0)
|
{
|
{
|
demangle_flag = arg;
|
demangle_flag = arg;
|
no_demangle = 1;
|
no_demangle = 1;
|
ld1--;
|
ld1--;
|
ld2--;
|
ld2--;
|
}
|
}
|
else if (strncmp (arg, "--demangle", 10) == 0)
|
else if (strncmp (arg, "--demangle", 10) == 0)
|
{
|
{
|
demangle_flag = arg;
|
demangle_flag = arg;
|
no_demangle = 0;
|
no_demangle = 0;
|
#ifndef HAVE_LD_DEMANGLE
|
#ifndef HAVE_LD_DEMANGLE
|
if (arg[10] == '=')
|
if (arg[10] == '=')
|
{
|
{
|
enum demangling_styles style
|
enum demangling_styles style
|
= cplus_demangle_name_to_style (arg+11);
|
= cplus_demangle_name_to_style (arg+11);
|
if (style == unknown_demangling)
|
if (style == unknown_demangling)
|
error ("unknown demangling style '%s'", arg+11);
|
error ("unknown demangling style '%s'", arg+11);
|
else
|
else
|
current_demangling_style = style;
|
current_demangling_style = style;
|
}
|
}
|
#endif
|
#endif
|
ld1--;
|
ld1--;
|
ld2--;
|
ld2--;
|
}
|
}
|
else if (strncmp (arg, "--sysroot=", 10) == 0)
|
else if (strncmp (arg, "--sysroot=", 10) == 0)
|
target_system_root = arg + 10;
|
target_system_root = arg + 10;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
else if ((p = strrchr (arg, '.')) != (char *) 0
|
else if ((p = strrchr (arg, '.')) != (char *) 0
|
&& (strcmp (p, ".o") == 0 || strcmp (p, ".a") == 0
|
&& (strcmp (p, ".o") == 0 || strcmp (p, ".a") == 0
|
|| strcmp (p, ".so") == 0 || strcmp (p, ".lo") == 0
|
|| strcmp (p, ".so") == 0 || strcmp (p, ".lo") == 0
|
|| strcmp (p, ".obj") == 0))
|
|| strcmp (p, ".obj") == 0))
|
{
|
{
|
if (first_file)
|
if (first_file)
|
{
|
{
|
first_file = 0;
|
first_file = 0;
|
if (p[1] == 'o')
|
if (p[1] == 'o')
|
*ld2++ = o_file;
|
*ld2++ = o_file;
|
else
|
else
|
{
|
{
|
/* place o_file BEFORE this argument! */
|
/* place o_file BEFORE this argument! */
|
ld2--;
|
ld2--;
|
*ld2++ = o_file;
|
*ld2++ = o_file;
|
*ld2++ = arg;
|
*ld2++ = arg;
|
}
|
}
|
}
|
}
|
if (p[1] == 'o' || p[1] == 'l')
|
if (p[1] == 'o' || p[1] == 'l')
|
*object++ = arg;
|
*object++ = arg;
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* libraries can be specified directly, i.e. without -l flag. */
|
/* libraries can be specified directly, i.e. without -l flag. */
|
else
|
else
|
{
|
{
|
/* Saving a full library name. */
|
/* Saving a full library name. */
|
add_to_list (&libs, arg);
|
add_to_list (&libs, arg);
|
}
|
}
|
#endif
|
#endif
|
}
|
}
|
}
|
}
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* This is added only for debugging purposes. */
|
/* This is added only for debugging purposes. */
|
if (debug)
|
if (debug)
|
{
|
{
|
fprintf (stderr, "List of libraries:\n");
|
fprintf (stderr, "List of libraries:\n");
|
dump_list (stderr, "\t", libs.first);
|
dump_list (stderr, "\t", libs.first);
|
}
|
}
|
|
|
/* The AIX linker will discard static constructors in object files if
|
/* The AIX linker will discard static constructors in object files if
|
nothing else in the file is referenced, so look at them first. Unless
|
nothing else in the file is referenced, so look at them first. Unless
|
we are building a shared object, ignore the eh frame tables, as we
|
we are building a shared object, ignore the eh frame tables, as we
|
would otherwise reference them all, hence drag all the corresponding
|
would otherwise reference them all, hence drag all the corresponding
|
objects even if nothing else is referenced. */
|
objects even if nothing else is referenced. */
|
{
|
{
|
const char **export_object_lst
|
const char **export_object_lst
|
= CONST_CAST2 (const char **, char **, object_lst);
|
= CONST_CAST2 (const char **, char **, object_lst);
|
|
|
struct id *list = libs.first;
|
struct id *list = libs.first;
|
|
|
/* Compute the filter to use from the current one, do scan, then adjust
|
/* Compute the filter to use from the current one, do scan, then adjust
|
the "current" filter to remove what we just included here. This will
|
the "current" filter to remove what we just included here. This will
|
control whether we need a first pass link later on or not, and what
|
control whether we need a first pass link later on or not, and what
|
will remain to be scanned there. */
|
will remain to be scanned there. */
|
|
|
scanfilter this_filter = ld1_filter;
|
scanfilter this_filter = ld1_filter;
|
#if HAVE_AS_REF
|
#if HAVE_AS_REF
|
if (!shared_obj)
|
if (!shared_obj)
|
this_filter &= ~SCAN_DWEH;
|
this_filter &= ~SCAN_DWEH;
|
#endif
|
#endif
|
|
|
while (export_object_lst < object)
|
while (export_object_lst < object)
|
scan_prog_file (*export_object_lst++, PASS_OBJ, this_filter);
|
scan_prog_file (*export_object_lst++, PASS_OBJ, this_filter);
|
|
|
for (; list; list = list->next)
|
for (; list; list = list->next)
|
scan_prog_file (list->name, PASS_FIRST, this_filter);
|
scan_prog_file (list->name, PASS_FIRST, this_filter);
|
|
|
ld1_filter = ld1_filter & ~this_filter;
|
ld1_filter = ld1_filter & ~this_filter;
|
}
|
}
|
|
|
if (exports.first)
|
if (exports.first)
|
{
|
{
|
char *buf = concat ("-bE:", export_file, NULL);
|
char *buf = concat ("-bE:", export_file, NULL);
|
|
|
*ld1++ = buf;
|
*ld1++ = buf;
|
*ld2++ = buf;
|
*ld2++ = buf;
|
|
|
exportf = fopen (export_file, "w");
|
exportf = fopen (export_file, "w");
|
if (exportf == (FILE *) 0)
|
if (exportf == (FILE *) 0)
|
fatal_perror ("fopen %s", export_file);
|
fatal_perror ("fopen %s", export_file);
|
write_aix_file (exportf, exports.first);
|
write_aix_file (exportf, exports.first);
|
if (fclose (exportf))
|
if (fclose (exportf))
|
fatal_perror ("fclose %s", export_file);
|
fatal_perror ("fclose %s", export_file);
|
}
|
}
|
#endif
|
#endif
|
|
|
*c_ptr++ = c_file;
|
*c_ptr++ = c_file;
|
*c_ptr = *ld1 = *object = (char *) 0;
|
*c_ptr = *ld1 = *object = (char *) 0;
|
|
|
if (vflag)
|
if (vflag)
|
{
|
{
|
notice ("collect2 version %s", version_string);
|
notice ("collect2 version %s", version_string);
|
#ifdef TARGET_VERSION
|
#ifdef TARGET_VERSION
|
TARGET_VERSION;
|
TARGET_VERSION;
|
#endif
|
#endif
|
fprintf (stderr, "\n");
|
fprintf (stderr, "\n");
|
}
|
}
|
|
|
if (debug)
|
if (debug)
|
{
|
{
|
const char *ptr;
|
const char *ptr;
|
fprintf (stderr, "ld_file_name = %s\n",
|
fprintf (stderr, "ld_file_name = %s\n",
|
(ld_file_name ? ld_file_name : "not found"));
|
(ld_file_name ? ld_file_name : "not found"));
|
fprintf (stderr, "c_file_name = %s\n",
|
fprintf (stderr, "c_file_name = %s\n",
|
(c_file_name ? c_file_name : "not found"));
|
(c_file_name ? c_file_name : "not found"));
|
fprintf (stderr, "nm_file_name = %s\n",
|
fprintf (stderr, "nm_file_name = %s\n",
|
(nm_file_name ? nm_file_name : "not found"));
|
(nm_file_name ? nm_file_name : "not found"));
|
#ifdef LDD_SUFFIX
|
#ifdef LDD_SUFFIX
|
fprintf (stderr, "ldd_file_name = %s\n",
|
fprintf (stderr, "ldd_file_name = %s\n",
|
(ldd_file_name ? ldd_file_name : "not found"));
|
(ldd_file_name ? ldd_file_name : "not found"));
|
#endif
|
#endif
|
fprintf (stderr, "strip_file_name = %s\n",
|
fprintf (stderr, "strip_file_name = %s\n",
|
(strip_file_name ? strip_file_name : "not found"));
|
(strip_file_name ? strip_file_name : "not found"));
|
fprintf (stderr, "c_file = %s\n",
|
fprintf (stderr, "c_file = %s\n",
|
(c_file ? c_file : "not found"));
|
(c_file ? c_file : "not found"));
|
fprintf (stderr, "o_file = %s\n",
|
fprintf (stderr, "o_file = %s\n",
|
(o_file ? o_file : "not found"));
|
(o_file ? o_file : "not found"));
|
|
|
ptr = getenv ("COLLECT_GCC_OPTIONS");
|
ptr = getenv ("COLLECT_GCC_OPTIONS");
|
if (ptr)
|
if (ptr)
|
fprintf (stderr, "COLLECT_GCC_OPTIONS = %s\n", ptr);
|
fprintf (stderr, "COLLECT_GCC_OPTIONS = %s\n", ptr);
|
|
|
ptr = getenv ("COLLECT_GCC");
|
ptr = getenv ("COLLECT_GCC");
|
if (ptr)
|
if (ptr)
|
fprintf (stderr, "COLLECT_GCC = %s\n", ptr);
|
fprintf (stderr, "COLLECT_GCC = %s\n", ptr);
|
|
|
ptr = getenv ("COMPILER_PATH");
|
ptr = getenv ("COMPILER_PATH");
|
if (ptr)
|
if (ptr)
|
fprintf (stderr, "COMPILER_PATH = %s\n", ptr);
|
fprintf (stderr, "COMPILER_PATH = %s\n", ptr);
|
|
|
ptr = getenv (LIBRARY_PATH_ENV);
|
ptr = getenv (LIBRARY_PATH_ENV);
|
if (ptr)
|
if (ptr)
|
fprintf (stderr, "%-20s= %s\n", LIBRARY_PATH_ENV, ptr);
|
fprintf (stderr, "%-20s= %s\n", LIBRARY_PATH_ENV, ptr);
|
|
|
fprintf (stderr, "\n");
|
fprintf (stderr, "\n");
|
}
|
}
|
|
|
/* Load the program, searching all libraries and attempting to provide
|
/* Load the program, searching all libraries and attempting to provide
|
undefined symbols from repository information.
|
undefined symbols from repository information.
|
|
|
If -r or they will be run via some other method, do not build the
|
If -r or they will be run via some other method, do not build the
|
constructor or destructor list, just return now. */
|
constructor or destructor list, just return now. */
|
{
|
{
|
bool early_exit
|
bool early_exit
|
= rflag || (! DO_COLLECT_EXPORT_LIST && ! do_collecting);
|
= rflag || (! DO_COLLECT_EXPORT_LIST && ! do_collecting);
|
|
|
/* Perform the first pass link now, if we're about to exit or if we need
|
/* Perform the first pass link now, if we're about to exit or if we need
|
to scan for things we haven't collected yet before pursuing further.
|
to scan for things we haven't collected yet before pursuing further.
|
|
|
On AIX, the latter typically includes nothing for shared objects or
|
On AIX, the latter typically includes nothing for shared objects or
|
frame tables for an executable, out of what the required early scan on
|
frame tables for an executable, out of what the required early scan on
|
objects and libraries has performed above. In the !shared_obj case, we
|
objects and libraries has performed above. In the !shared_obj case, we
|
expect the relevant tables to be dragged together with their associated
|
expect the relevant tables to be dragged together with their associated
|
functions from precise cross reference insertions by the compiler. */
|
functions from precise cross reference insertions by the compiler. */
|
|
|
if (early_exit || ld1_filter != SCAN_NOTHING)
|
if (early_exit || ld1_filter != SCAN_NOTHING)
|
do_tlink (ld1_argv, object_lst);
|
do_tlink (ld1_argv, object_lst);
|
|
|
if (early_exit)
|
if (early_exit)
|
{
|
{
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* Make sure we delete the export file we may have created. */
|
/* Make sure we delete the export file we may have created. */
|
if (export_file != 0 && export_file[0])
|
if (export_file != 0 && export_file[0])
|
maybe_unlink (export_file);
|
maybe_unlink (export_file);
|
#endif
|
#endif
|
if (lto_mode != LTO_MODE_NONE)
|
if (lto_mode != LTO_MODE_NONE)
|
maybe_run_lto_and_relink (ld1_argv, object_lst, object, false);
|
maybe_run_lto_and_relink (ld1_argv, object_lst, object, false);
|
|
|
maybe_unlink (c_file);
|
maybe_unlink (c_file);
|
maybe_unlink (o_file);
|
maybe_unlink (o_file);
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
/* Unless we have done it all already, examine the namelist and search for
|
/* Unless we have done it all already, examine the namelist and search for
|
static constructors and destructors to call. Write the constructor and
|
static constructors and destructors to call. Write the constructor and
|
destructor tables to a .s file and reload. */
|
destructor tables to a .s file and reload. */
|
|
|
if (ld1_filter != SCAN_NOTHING)
|
if (ld1_filter != SCAN_NOTHING)
|
scan_prog_file (output_file, PASS_FIRST, ld1_filter);
|
scan_prog_file (output_file, PASS_FIRST, ld1_filter);
|
|
|
#ifdef SCAN_LIBRARIES
|
#ifdef SCAN_LIBRARIES
|
scan_libraries (output_file);
|
scan_libraries (output_file);
|
#endif
|
#endif
|
|
|
if (debug)
|
if (debug)
|
{
|
{
|
notice_translated (ngettext ("%d constructor found\n",
|
notice_translated (ngettext ("%d constructor found\n",
|
"%d constructors found\n",
|
"%d constructors found\n",
|
constructors.number),
|
constructors.number),
|
constructors.number);
|
constructors.number);
|
notice_translated (ngettext ("%d destructor found\n",
|
notice_translated (ngettext ("%d destructor found\n",
|
"%d destructors found\n",
|
"%d destructors found\n",
|
destructors.number),
|
destructors.number),
|
destructors.number);
|
destructors.number);
|
notice_translated (ngettext("%d frame table found\n",
|
notice_translated (ngettext("%d frame table found\n",
|
"%d frame tables found\n",
|
"%d frame tables found\n",
|
frame_tables.number),
|
frame_tables.number),
|
frame_tables.number);
|
frame_tables.number);
|
}
|
}
|
|
|
/* If the scan exposed nothing of special interest, there's no need to
|
/* If the scan exposed nothing of special interest, there's no need to
|
generate the glue code and relink so return now. */
|
generate the glue code and relink so return now. */
|
|
|
if (constructors.number == 0 && destructors.number == 0
|
if (constructors.number == 0 && destructors.number == 0
|
&& frame_tables.number == 0
|
&& frame_tables.number == 0
|
#if defined (SCAN_LIBRARIES) || defined (COLLECT_EXPORT_LIST)
|
#if defined (SCAN_LIBRARIES) || defined (COLLECT_EXPORT_LIST)
|
/* If we will be running these functions ourselves, we want to emit
|
/* If we will be running these functions ourselves, we want to emit
|
stubs into the shared library so that we do not have to relink
|
stubs into the shared library so that we do not have to relink
|
dependent programs when we add static objects. */
|
dependent programs when we add static objects. */
|
&& ! shared_obj
|
&& ! shared_obj
|
#endif
|
#endif
|
)
|
)
|
{
|
{
|
/* Do tlink without additional code generation now if we didn't
|
/* Do tlink without additional code generation now if we didn't
|
do it earlier for scanning purposes. */
|
do it earlier for scanning purposes. */
|
if (ld1_filter == SCAN_NOTHING)
|
if (ld1_filter == SCAN_NOTHING)
|
do_tlink (ld1_argv, object_lst);
|
do_tlink (ld1_argv, object_lst);
|
|
|
if (lto_mode)
|
if (lto_mode)
|
maybe_run_lto_and_relink (ld1_argv, object_lst, object, false);
|
maybe_run_lto_and_relink (ld1_argv, object_lst, object, false);
|
|
|
/* Strip now if it was requested on the command line. */
|
/* Strip now if it was requested on the command line. */
|
if (strip_flag)
|
if (strip_flag)
|
{
|
{
|
char **real_strip_argv = XCNEWVEC (char *, 3);
|
char **real_strip_argv = XCNEWVEC (char *, 3);
|
const char ** strip_argv = CONST_CAST2 (const char **, char **,
|
const char ** strip_argv = CONST_CAST2 (const char **, char **,
|
real_strip_argv);
|
real_strip_argv);
|
|
|
strip_argv[0] = strip_file_name;
|
strip_argv[0] = strip_file_name;
|
strip_argv[1] = output_file;
|
strip_argv[1] = output_file;
|
strip_argv[2] = (char *) 0;
|
strip_argv[2] = (char *) 0;
|
fork_execute ("strip", real_strip_argv);
|
fork_execute ("strip", real_strip_argv);
|
}
|
}
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
maybe_unlink (export_file);
|
maybe_unlink (export_file);
|
#endif
|
#endif
|
maybe_unlink (c_file);
|
maybe_unlink (c_file);
|
maybe_unlink (o_file);
|
maybe_unlink (o_file);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Sort ctor and dtor lists by priority. */
|
/* Sort ctor and dtor lists by priority. */
|
sort_ids (&constructors);
|
sort_ids (&constructors);
|
sort_ids (&destructors);
|
sort_ids (&destructors);
|
|
|
maybe_unlink(output_file);
|
maybe_unlink(output_file);
|
outf = fopen (c_file, "w");
|
outf = fopen (c_file, "w");
|
if (outf == (FILE *) 0)
|
if (outf == (FILE *) 0)
|
fatal_perror ("fopen %s", c_file);
|
fatal_perror ("fopen %s", c_file);
|
|
|
write_c_file (outf, c_file);
|
write_c_file (outf, c_file);
|
|
|
if (fclose (outf))
|
if (fclose (outf))
|
fatal_perror ("fclose %s", c_file);
|
fatal_perror ("fclose %s", c_file);
|
|
|
/* Tell the linker that we have initializer and finalizer functions. */
|
/* Tell the linker that we have initializer and finalizer functions. */
|
#ifdef LD_INIT_SWITCH
|
#ifdef LD_INIT_SWITCH
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
*ld2++ = concat (LD_INIT_SWITCH, ":", initname, ":", fininame, NULL);
|
*ld2++ = concat (LD_INIT_SWITCH, ":", initname, ":", fininame, NULL);
|
#else
|
#else
|
*ld2++ = LD_INIT_SWITCH;
|
*ld2++ = LD_INIT_SWITCH;
|
*ld2++ = initname;
|
*ld2++ = initname;
|
*ld2++ = LD_FINI_SWITCH;
|
*ld2++ = LD_FINI_SWITCH;
|
*ld2++ = fininame;
|
*ld2++ = fininame;
|
#endif
|
#endif
|
#endif
|
#endif
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
if (shared_obj)
|
if (shared_obj)
|
{
|
{
|
/* If we did not add export flag to link arguments before, add it to
|
/* If we did not add export flag to link arguments before, add it to
|
second link phase now. No new exports should have been added. */
|
second link phase now. No new exports should have been added. */
|
if (! exports.first)
|
if (! exports.first)
|
*ld2++ = concat ("-bE:", export_file, NULL);
|
*ld2++ = concat ("-bE:", export_file, NULL);
|
|
|
#ifndef LD_INIT_SWITCH
|
#ifndef LD_INIT_SWITCH
|
add_to_list (&exports, initname);
|
add_to_list (&exports, initname);
|
add_to_list (&exports, fininame);
|
add_to_list (&exports, fininame);
|
add_to_list (&exports, "_GLOBAL__DI");
|
add_to_list (&exports, "_GLOBAL__DI");
|
add_to_list (&exports, "_GLOBAL__DD");
|
add_to_list (&exports, "_GLOBAL__DD");
|
#endif
|
#endif
|
exportf = fopen (export_file, "w");
|
exportf = fopen (export_file, "w");
|
if (exportf == (FILE *) 0)
|
if (exportf == (FILE *) 0)
|
fatal_perror ("fopen %s", export_file);
|
fatal_perror ("fopen %s", export_file);
|
write_aix_file (exportf, exports.first);
|
write_aix_file (exportf, exports.first);
|
if (fclose (exportf))
|
if (fclose (exportf))
|
fatal_perror ("fclose %s", export_file);
|
fatal_perror ("fclose %s", export_file);
|
}
|
}
|
#endif
|
#endif
|
|
|
/* End of arguments to second link phase. */
|
/* End of arguments to second link phase. */
|
*ld2 = (char*) 0;
|
*ld2 = (char*) 0;
|
|
|
if (debug)
|
if (debug)
|
{
|
{
|
fprintf (stderr, "\n========== output_file = %s, c_file = %s\n",
|
fprintf (stderr, "\n========== output_file = %s, c_file = %s\n",
|
output_file, c_file);
|
output_file, c_file);
|
write_c_file (stderr, "stderr");
|
write_c_file (stderr, "stderr");
|
fprintf (stderr, "========== end of c_file\n\n");
|
fprintf (stderr, "========== end of c_file\n\n");
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
fprintf (stderr, "\n========== export_file = %s\n", export_file);
|
fprintf (stderr, "\n========== export_file = %s\n", export_file);
|
write_aix_file (stderr, exports.first);
|
write_aix_file (stderr, exports.first);
|
fprintf (stderr, "========== end of export_file\n\n");
|
fprintf (stderr, "========== end of export_file\n\n");
|
#endif
|
#endif
|
}
|
}
|
|
|
/* Assemble the constructor and destructor tables.
|
/* Assemble the constructor and destructor tables.
|
Link the tables in with the rest of the program. */
|
Link the tables in with the rest of the program. */
|
|
|
fork_execute ("gcc", c_argv);
|
fork_execute ("gcc", c_argv);
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* On AIX we must call tlink because of possible templates resolution. */
|
/* On AIX we must call tlink because of possible templates resolution. */
|
do_tlink (ld2_argv, object_lst);
|
do_tlink (ld2_argv, object_lst);
|
|
|
if (lto_mode)
|
if (lto_mode)
|
maybe_run_lto_and_relink (ld2_argv, object_lst, object, false);
|
maybe_run_lto_and_relink (ld2_argv, object_lst, object, false);
|
#else
|
#else
|
/* Otherwise, simply call ld because tlink is already done. */
|
/* Otherwise, simply call ld because tlink is already done. */
|
if (lto_mode)
|
if (lto_mode)
|
maybe_run_lto_and_relink (ld2_argv, object_lst, object, true);
|
maybe_run_lto_and_relink (ld2_argv, object_lst, object, true);
|
else
|
else
|
fork_execute ("ld", ld2_argv);
|
fork_execute ("ld", ld2_argv);
|
|
|
/* Let scan_prog_file do any final mods (OSF/rose needs this for
|
/* Let scan_prog_file do any final mods (OSF/rose needs this for
|
constructors/destructors in shared libraries. */
|
constructors/destructors in shared libraries. */
|
scan_prog_file (output_file, PASS_SECOND, SCAN_ALL);
|
scan_prog_file (output_file, PASS_SECOND, SCAN_ALL);
|
#endif
|
#endif
|
|
|
maybe_unlink (c_file);
|
maybe_unlink (c_file);
|
maybe_unlink (o_file);
|
maybe_unlink (o_file);
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
maybe_unlink (export_file);
|
maybe_unlink (export_file);
|
#endif
|
#endif
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
|
|
/* Wait for a process to finish, and exit if a nonzero status is found. */
|
/* Wait for a process to finish, and exit if a nonzero status is found. */
|
|
|
int
|
int
|
collect_wait (const char *prog, struct pex_obj *pex)
|
collect_wait (const char *prog, struct pex_obj *pex)
|
{
|
{
|
int status;
|
int status;
|
|
|
if (!pex_get_status (pex, 1, &status))
|
if (!pex_get_status (pex, 1, &status))
|
fatal_perror ("can't get program status");
|
fatal_perror ("can't get program status");
|
pex_free (pex);
|
pex_free (pex);
|
|
|
if (status)
|
if (status)
|
{
|
{
|
if (WIFSIGNALED (status))
|
if (WIFSIGNALED (status))
|
{
|
{
|
int sig = WTERMSIG (status);
|
int sig = WTERMSIG (status);
|
error ("%s terminated with signal %d [%s]%s",
|
error ("%s terminated with signal %d [%s]%s",
|
prog, sig, strsignal(sig),
|
prog, sig, strsignal(sig),
|
WCOREDUMP(status) ? ", core dumped" : "");
|
WCOREDUMP(status) ? ", core dumped" : "");
|
collect_exit (FATAL_EXIT_CODE);
|
collect_exit (FATAL_EXIT_CODE);
|
}
|
}
|
|
|
if (WIFEXITED (status))
|
if (WIFEXITED (status))
|
return WEXITSTATUS (status);
|
return WEXITSTATUS (status);
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static void
|
static void
|
do_wait (const char *prog, struct pex_obj *pex)
|
do_wait (const char *prog, struct pex_obj *pex)
|
{
|
{
|
int ret = collect_wait (prog, pex);
|
int ret = collect_wait (prog, pex);
|
if (ret != 0)
|
if (ret != 0)
|
{
|
{
|
error ("%s returned %d exit status", prog, ret);
|
error ("%s returned %d exit status", prog, ret);
|
collect_exit (ret);
|
collect_exit (ret);
|
}
|
}
|
|
|
if (response_file)
|
if (response_file)
|
{
|
{
|
unlink (response_file);
|
unlink (response_file);
|
response_file = NULL;
|
response_file = NULL;
|
}
|
}
|
}
|
}
|
|
|
|
|
/* Execute a program, and wait for the reply. */
|
/* Execute a program, and wait for the reply. */
|
|
|
struct pex_obj *
|
struct pex_obj *
|
collect_execute (const char *prog, char **argv, const char *outname,
|
collect_execute (const char *prog, char **argv, const char *outname,
|
const char *errname, int flags)
|
const char *errname, int flags)
|
{
|
{
|
struct pex_obj *pex;
|
struct pex_obj *pex;
|
const char *errmsg;
|
const char *errmsg;
|
int err;
|
int err;
|
char *response_arg = NULL;
|
char *response_arg = NULL;
|
char *response_argv[3] ATTRIBUTE_UNUSED;
|
char *response_argv[3] ATTRIBUTE_UNUSED;
|
|
|
if (HAVE_GNU_LD && at_file_supplied && argv[0] != NULL)
|
if (HAVE_GNU_LD && at_file_supplied && argv[0] != NULL)
|
{
|
{
|
/* If using @file arguments, create a temporary file and put the
|
/* If using @file arguments, create a temporary file and put the
|
contents of argv into it. Then change argv to an array corresponding
|
contents of argv into it. Then change argv to an array corresponding
|
to a single argument @FILE, where FILE is the temporary filename. */
|
to a single argument @FILE, where FILE is the temporary filename. */
|
|
|
char **current_argv = argv + 1;
|
char **current_argv = argv + 1;
|
char *argv0 = argv[0];
|
char *argv0 = argv[0];
|
int status;
|
int status;
|
FILE *f;
|
FILE *f;
|
|
|
/* Note: we assume argv contains at least one element; this is
|
/* Note: we assume argv contains at least one element; this is
|
checked above. */
|
checked above. */
|
|
|
response_file = make_temp_file ("");
|
response_file = make_temp_file ("");
|
|
|
f = fopen (response_file, "w");
|
f = fopen (response_file, "w");
|
|
|
if (f == NULL)
|
if (f == NULL)
|
fatal ("could not open response file %s", response_file);
|
fatal ("could not open response file %s", response_file);
|
|
|
status = writeargv (current_argv, f);
|
status = writeargv (current_argv, f);
|
|
|
if (status)
|
if (status)
|
fatal ("could not write to response file %s", response_file);
|
fatal ("could not write to response file %s", response_file);
|
|
|
status = fclose (f);
|
status = fclose (f);
|
|
|
if (EOF == status)
|
if (EOF == status)
|
fatal ("could not close response file %s", response_file);
|
fatal ("could not close response file %s", response_file);
|
|
|
response_arg = concat ("@", response_file, NULL);
|
response_arg = concat ("@", response_file, NULL);
|
response_argv[0] = argv0;
|
response_argv[0] = argv0;
|
response_argv[1] = response_arg;
|
response_argv[1] = response_arg;
|
response_argv[2] = NULL;
|
response_argv[2] = NULL;
|
|
|
argv = response_argv;
|
argv = response_argv;
|
}
|
}
|
|
|
if (vflag || debug)
|
if (vflag || debug)
|
{
|
{
|
char **p_argv;
|
char **p_argv;
|
const char *str;
|
const char *str;
|
|
|
if (argv[0])
|
if (argv[0])
|
fprintf (stderr, "%s", argv[0]);
|
fprintf (stderr, "%s", argv[0]);
|
else
|
else
|
notice ("[cannot find %s]", prog);
|
notice ("[cannot find %s]", prog);
|
|
|
for (p_argv = &argv[1]; (str = *p_argv) != (char *) 0; p_argv++)
|
for (p_argv = &argv[1]; (str = *p_argv) != (char *) 0; p_argv++)
|
fprintf (stderr, " %s", str);
|
fprintf (stderr, " %s", str);
|
|
|
fprintf (stderr, "\n");
|
fprintf (stderr, "\n");
|
}
|
}
|
|
|
fflush (stdout);
|
fflush (stdout);
|
fflush (stderr);
|
fflush (stderr);
|
|
|
/* If we cannot find a program we need, complain error. Do this here
|
/* If we cannot find a program we need, complain error. Do this here
|
since we might not end up needing something that we could not find. */
|
since we might not end up needing something that we could not find. */
|
|
|
if (argv[0] == 0)
|
if (argv[0] == 0)
|
fatal ("cannot find '%s'", prog);
|
fatal ("cannot find '%s'", prog);
|
|
|
pex = pex_init (0, "collect2", NULL);
|
pex = pex_init (0, "collect2", NULL);
|
if (pex == NULL)
|
if (pex == NULL)
|
fatal_perror ("pex_init failed");
|
fatal_perror ("pex_init failed");
|
|
|
errmsg = pex_run (pex, flags, argv[0], argv, outname,
|
errmsg = pex_run (pex, flags, argv[0], argv, outname,
|
errname, &err);
|
errname, &err);
|
if (errmsg != NULL)
|
if (errmsg != NULL)
|
{
|
{
|
if (err != 0)
|
if (err != 0)
|
{
|
{
|
errno = err;
|
errno = err;
|
fatal_perror (errmsg);
|
fatal_perror (errmsg);
|
}
|
}
|
else
|
else
|
fatal (errmsg);
|
fatal (errmsg);
|
}
|
}
|
|
|
if (response_arg)
|
if (response_arg)
|
free (response_arg);
|
free (response_arg);
|
|
|
return pex;
|
return pex;
|
}
|
}
|
|
|
static void
|
static void
|
fork_execute (const char *prog, char **argv)
|
fork_execute (const char *prog, char **argv)
|
{
|
{
|
struct pex_obj *pex;
|
struct pex_obj *pex;
|
|
|
pex = collect_execute (prog, argv, NULL, NULL, PEX_LAST | PEX_SEARCH);
|
pex = collect_execute (prog, argv, NULL, NULL, PEX_LAST | PEX_SEARCH);
|
do_wait (prog, pex);
|
do_wait (prog, pex);
|
}
|
}
|
|
|
/* Unlink a file unless we are debugging. */
|
/* Unlink a file unless we are debugging. */
|
|
|
static void
|
static void
|
maybe_unlink (const char *file)
|
maybe_unlink (const char *file)
|
{
|
{
|
if (!debug)
|
if (!debug)
|
unlink_if_ordinary (file);
|
unlink_if_ordinary (file);
|
else
|
else
|
notice ("[Leaving %s]\n", file);
|
notice ("[Leaving %s]\n", file);
|
}
|
}
|
|
|
/* Call maybe_unlink on the NULL-terminated list, FILE_LIST. */
|
/* Call maybe_unlink on the NULL-terminated list, FILE_LIST. */
|
|
|
static void
|
static void
|
maybe_unlink_list (char **file_list)
|
maybe_unlink_list (char **file_list)
|
{
|
{
|
char **tmp = file_list;
|
char **tmp = file_list;
|
|
|
while (*tmp)
|
while (*tmp)
|
maybe_unlink (*(tmp++));
|
maybe_unlink (*(tmp++));
|
}
|
}
|
|
|
|
|
static long sequence_number = 0;
|
static long sequence_number = 0;
|
|
|
/* Add a name to a linked list. */
|
/* Add a name to a linked list. */
|
|
|
static void
|
static void
|
add_to_list (struct head *head_ptr, const char *name)
|
add_to_list (struct head *head_ptr, const char *name)
|
{
|
{
|
struct id *newid
|
struct id *newid
|
= (struct id *) xcalloc (sizeof (struct id) + strlen (name), 1);
|
= (struct id *) xcalloc (sizeof (struct id) + strlen (name), 1);
|
struct id *p;
|
struct id *p;
|
strcpy (newid->name, name);
|
strcpy (newid->name, name);
|
|
|
if (head_ptr->first)
|
if (head_ptr->first)
|
head_ptr->last->next = newid;
|
head_ptr->last->next = newid;
|
else
|
else
|
head_ptr->first = newid;
|
head_ptr->first = newid;
|
|
|
/* Check for duplicate symbols. */
|
/* Check for duplicate symbols. */
|
for (p = head_ptr->first;
|
for (p = head_ptr->first;
|
strcmp (name, p->name) != 0;
|
strcmp (name, p->name) != 0;
|
p = p->next)
|
p = p->next)
|
;
|
;
|
if (p != newid)
|
if (p != newid)
|
{
|
{
|
head_ptr->last->next = 0;
|
head_ptr->last->next = 0;
|
free (newid);
|
free (newid);
|
return;
|
return;
|
}
|
}
|
|
|
newid->sequence = ++sequence_number;
|
newid->sequence = ++sequence_number;
|
head_ptr->last = newid;
|
head_ptr->last = newid;
|
head_ptr->number++;
|
head_ptr->number++;
|
}
|
}
|
|
|
/* Grab the init priority number from an init function name that
|
/* Grab the init priority number from an init function name that
|
looks like "_GLOBAL_.I.12345.foo". */
|
looks like "_GLOBAL_.I.12345.foo". */
|
|
|
static int
|
static int
|
extract_init_priority (const char *name)
|
extract_init_priority (const char *name)
|
{
|
{
|
int pos = 0, pri;
|
int pos = 0, pri;
|
|
|
while (name[pos] == '_')
|
while (name[pos] == '_')
|
++pos;
|
++pos;
|
pos += 10; /* strlen ("GLOBAL__X_") */
|
pos += 10; /* strlen ("GLOBAL__X_") */
|
|
|
/* Extract init_p number from ctor/dtor name. */
|
/* Extract init_p number from ctor/dtor name. */
|
pri = atoi (name + pos);
|
pri = atoi (name + pos);
|
return pri ? pri : DEFAULT_INIT_PRIORITY;
|
return pri ? pri : DEFAULT_INIT_PRIORITY;
|
}
|
}
|
|
|
/* Insertion sort the ids from ctor/dtor list HEAD_PTR in descending order.
|
/* Insertion sort the ids from ctor/dtor list HEAD_PTR in descending order.
|
ctors will be run from right to left, dtors from left to right. */
|
ctors will be run from right to left, dtors from left to right. */
|
|
|
static void
|
static void
|
sort_ids (struct head *head_ptr)
|
sort_ids (struct head *head_ptr)
|
{
|
{
|
/* id holds the current element to insert. id_next holds the next
|
/* id holds the current element to insert. id_next holds the next
|
element to insert. id_ptr iterates through the already sorted elements
|
element to insert. id_ptr iterates through the already sorted elements
|
looking for the place to insert id. */
|
looking for the place to insert id. */
|
struct id *id, *id_next, **id_ptr;
|
struct id *id, *id_next, **id_ptr;
|
|
|
id = head_ptr->first;
|
id = head_ptr->first;
|
|
|
/* We don't have any sorted elements yet. */
|
/* We don't have any sorted elements yet. */
|
head_ptr->first = NULL;
|
head_ptr->first = NULL;
|
|
|
for (; id; id = id_next)
|
for (; id; id = id_next)
|
{
|
{
|
id_next = id->next;
|
id_next = id->next;
|
id->sequence = extract_init_priority (id->name);
|
id->sequence = extract_init_priority (id->name);
|
|
|
for (id_ptr = &(head_ptr->first); ; id_ptr = &((*id_ptr)->next))
|
for (id_ptr = &(head_ptr->first); ; id_ptr = &((*id_ptr)->next))
|
if (*id_ptr == NULL
|
if (*id_ptr == NULL
|
/* If the sequence numbers are the same, we put the id from the
|
/* If the sequence numbers are the same, we put the id from the
|
file later on the command line later in the list. */
|
file later on the command line later in the list. */
|
|| id->sequence > (*id_ptr)->sequence
|
|| id->sequence > (*id_ptr)->sequence
|
/* Hack: do lexical compare, too.
|
/* Hack: do lexical compare, too.
|
|| (id->sequence == (*id_ptr)->sequence
|
|| (id->sequence == (*id_ptr)->sequence
|
&& strcmp (id->name, (*id_ptr)->name) > 0) */
|
&& strcmp (id->name, (*id_ptr)->name) > 0) */
|
)
|
)
|
{
|
{
|
id->next = *id_ptr;
|
id->next = *id_ptr;
|
*id_ptr = id;
|
*id_ptr = id;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/* Now set the sequence numbers properly so write_c_file works. */
|
/* Now set the sequence numbers properly so write_c_file works. */
|
for (id = head_ptr->first; id; id = id->next)
|
for (id = head_ptr->first; id; id = id->next)
|
id->sequence = ++sequence_number;
|
id->sequence = ++sequence_number;
|
}
|
}
|
|
|
/* Write: `prefix', the names on list LIST, `suffix'. */
|
/* Write: `prefix', the names on list LIST, `suffix'. */
|
|
|
static void
|
static void
|
write_list (FILE *stream, const char *prefix, struct id *list)
|
write_list (FILE *stream, const char *prefix, struct id *list)
|
{
|
{
|
while (list)
|
while (list)
|
{
|
{
|
fprintf (stream, "%sx%d,\n", prefix, list->sequence);
|
fprintf (stream, "%sx%d,\n", prefix, list->sequence);
|
list = list->next;
|
list = list->next;
|
}
|
}
|
}
|
}
|
|
|
#if LINK_ELIMINATE_DUPLICATE_LDIRECTORIES
|
#if LINK_ELIMINATE_DUPLICATE_LDIRECTORIES
|
/* Given a STRING, return nonzero if it occurs in the list in range
|
/* Given a STRING, return nonzero if it occurs in the list in range
|
[ARGS_BEGIN,ARGS_END). */
|
[ARGS_BEGIN,ARGS_END). */
|
|
|
static int
|
static int
|
is_in_args (const char *string, const char **args_begin,
|
is_in_args (const char *string, const char **args_begin,
|
const char **args_end)
|
const char **args_end)
|
{
|
{
|
const char **args_pointer;
|
const char **args_pointer;
|
for (args_pointer = args_begin; args_pointer != args_end; ++args_pointer)
|
for (args_pointer = args_begin; args_pointer != args_end; ++args_pointer)
|
if (strcmp (string, *args_pointer) == 0)
|
if (strcmp (string, *args_pointer) == 0)
|
return 1;
|
return 1;
|
return 0;
|
return 0;
|
}
|
}
|
#endif /* LINK_ELIMINATE_DUPLICATE_LDIRECTORIES */
|
#endif /* LINK_ELIMINATE_DUPLICATE_LDIRECTORIES */
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* This function is really used only on AIX, but may be useful. */
|
/* This function is really used only on AIX, but may be useful. */
|
#if 0
|
#if 0
|
static int
|
static int
|
is_in_list (const char *prefix, struct id *list)
|
is_in_list (const char *prefix, struct id *list)
|
{
|
{
|
while (list)
|
while (list)
|
{
|
{
|
if (!strcmp (prefix, list->name)) return 1;
|
if (!strcmp (prefix, list->name)) return 1;
|
list = list->next;
|
list = list->next;
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
#endif
|
#endif
|
#endif /* COLLECT_EXPORT_LIST */
|
#endif /* COLLECT_EXPORT_LIST */
|
|
|
/* Added for debugging purpose. */
|
/* Added for debugging purpose. */
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
static void
|
static void
|
dump_list (FILE *stream, const char *prefix, struct id *list)
|
dump_list (FILE *stream, const char *prefix, struct id *list)
|
{
|
{
|
while (list)
|
while (list)
|
{
|
{
|
fprintf (stream, "%s%s,\n", prefix, list->name);
|
fprintf (stream, "%s%s,\n", prefix, list->name);
|
list = list->next;
|
list = list->next;
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
|
|
#if 0
|
#if 0
|
static void
|
static void
|
dump_prefix_list (FILE *stream, const char *prefix, struct prefix_list *list)
|
dump_prefix_list (FILE *stream, const char *prefix, struct prefix_list *list)
|
{
|
{
|
while (list)
|
while (list)
|
{
|
{
|
fprintf (stream, "%s%s,\n", prefix, list->prefix);
|
fprintf (stream, "%s%s,\n", prefix, list->prefix);
|
list = list->next;
|
list = list->next;
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
|
|
static void
|
static void
|
write_list_with_asm (FILE *stream, const char *prefix, struct id *list)
|
write_list_with_asm (FILE *stream, const char *prefix, struct id *list)
|
{
|
{
|
while (list)
|
while (list)
|
{
|
{
|
fprintf (stream, "%sx%d __asm__ (\"%s\");\n",
|
fprintf (stream, "%sx%d __asm__ (\"%s\");\n",
|
prefix, list->sequence, list->name);
|
prefix, list->sequence, list->name);
|
list = list->next;
|
list = list->next;
|
}
|
}
|
}
|
}
|
|
|
/* Write out the constructor and destructor tables statically (for a shared
|
/* Write out the constructor and destructor tables statically (for a shared
|
object), along with the functions to execute them. */
|
object), along with the functions to execute them. */
|
|
|
static void
|
static void
|
write_c_file_stat (FILE *stream, const char *name ATTRIBUTE_UNUSED)
|
write_c_file_stat (FILE *stream, const char *name ATTRIBUTE_UNUSED)
|
{
|
{
|
const char *p, *q;
|
const char *p, *q;
|
char *prefix, *r;
|
char *prefix, *r;
|
int frames = (frame_tables.number > 0);
|
int frames = (frame_tables.number > 0);
|
|
|
/* Figure out name of output_file, stripping off .so version. */
|
/* Figure out name of output_file, stripping off .so version. */
|
p = strrchr (output_file, '/');
|
p = strrchr (output_file, '/');
|
if (p == 0)
|
if (p == 0)
|
p = output_file;
|
p = output_file;
|
else
|
else
|
p++;
|
p++;
|
q = p;
|
q = p;
|
while (q)
|
while (q)
|
{
|
{
|
q = strchr (q,'.');
|
q = strchr (q,'.');
|
if (q == 0)
|
if (q == 0)
|
{
|
{
|
q = p + strlen (p);
|
q = p + strlen (p);
|
break;
|
break;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (strncmp (q, SHLIB_SUFFIX, strlen (SHLIB_SUFFIX)) == 0)
|
if (strncmp (q, SHLIB_SUFFIX, strlen (SHLIB_SUFFIX)) == 0)
|
{
|
{
|
q += strlen (SHLIB_SUFFIX);
|
q += strlen (SHLIB_SUFFIX);
|
break;
|
break;
|
}
|
}
|
else
|
else
|
q++;
|
q++;
|
}
|
}
|
}
|
}
|
/* q points to null at end of the string (or . of the .so version) */
|
/* q points to null at end of the string (or . of the .so version) */
|
prefix = XNEWVEC (char, q - p + 1);
|
prefix = XNEWVEC (char, q - p + 1);
|
strncpy (prefix, p, q - p);
|
strncpy (prefix, p, q - p);
|
prefix[q - p] = 0;
|
prefix[q - p] = 0;
|
for (r = prefix; *r; r++)
|
for (r = prefix; *r; r++)
|
if (!ISALNUM ((unsigned char)*r))
|
if (!ISALNUM ((unsigned char)*r))
|
*r = '_';
|
*r = '_';
|
if (debug)
|
if (debug)
|
notice ("\nwrite_c_file - output name is %s, prefix is %s\n",
|
notice ("\nwrite_c_file - output name is %s, prefix is %s\n",
|
output_file, prefix);
|
output_file, prefix);
|
|
|
initname = concat ("_GLOBAL__FI_", prefix, NULL);
|
initname = concat ("_GLOBAL__FI_", prefix, NULL);
|
fininame = concat ("_GLOBAL__FD_", prefix, NULL);
|
fininame = concat ("_GLOBAL__FD_", prefix, NULL);
|
|
|
free (prefix);
|
free (prefix);
|
|
|
/* Write the tables as C code. */
|
/* Write the tables as C code. */
|
|
|
fprintf (stream, "static int count;\n");
|
fprintf (stream, "static int count;\n");
|
fprintf (stream, "typedef void entry_pt();\n");
|
fprintf (stream, "typedef void entry_pt();\n");
|
write_list_with_asm (stream, "extern entry_pt ", constructors.first);
|
write_list_with_asm (stream, "extern entry_pt ", constructors.first);
|
|
|
if (frames)
|
if (frames)
|
{
|
{
|
write_list_with_asm (stream, "extern void *", frame_tables.first);
|
write_list_with_asm (stream, "extern void *", frame_tables.first);
|
|
|
fprintf (stream, "\tstatic void *frame_table[] = {\n");
|
fprintf (stream, "\tstatic void *frame_table[] = {\n");
|
write_list (stream, "\t\t&", frame_tables.first);
|
write_list (stream, "\t\t&", frame_tables.first);
|
fprintf (stream, "\t0\n};\n");
|
fprintf (stream, "\t0\n};\n");
|
|
|
/* This must match what's in frame.h. */
|
/* This must match what's in frame.h. */
|
fprintf (stream, "struct object {\n");
|
fprintf (stream, "struct object {\n");
|
fprintf (stream, " void *pc_begin;\n");
|
fprintf (stream, " void *pc_begin;\n");
|
fprintf (stream, " void *pc_end;\n");
|
fprintf (stream, " void *pc_end;\n");
|
fprintf (stream, " void *fde_begin;\n");
|
fprintf (stream, " void *fde_begin;\n");
|
fprintf (stream, " void *fde_array;\n");
|
fprintf (stream, " void *fde_array;\n");
|
fprintf (stream, " __SIZE_TYPE__ count;\n");
|
fprintf (stream, " __SIZE_TYPE__ count;\n");
|
fprintf (stream, " struct object *next;\n");
|
fprintf (stream, " struct object *next;\n");
|
fprintf (stream, "};\n");
|
fprintf (stream, "};\n");
|
|
|
fprintf (stream, "extern void __register_frame_info_table (void *, struct object *);\n");
|
fprintf (stream, "extern void __register_frame_info_table (void *, struct object *);\n");
|
fprintf (stream, "extern void *__deregister_frame_info (void *);\n");
|
fprintf (stream, "extern void *__deregister_frame_info (void *);\n");
|
|
|
fprintf (stream, "static void reg_frame () {\n");
|
fprintf (stream, "static void reg_frame () {\n");
|
fprintf (stream, "\tstatic struct object ob;\n");
|
fprintf (stream, "\tstatic struct object ob;\n");
|
fprintf (stream, "\t__register_frame_info_table (frame_table, &ob);\n");
|
fprintf (stream, "\t__register_frame_info_table (frame_table, &ob);\n");
|
fprintf (stream, "\t}\n");
|
fprintf (stream, "\t}\n");
|
|
|
fprintf (stream, "static void dereg_frame () {\n");
|
fprintf (stream, "static void dereg_frame () {\n");
|
fprintf (stream, "\t__deregister_frame_info (frame_table);\n");
|
fprintf (stream, "\t__deregister_frame_info (frame_table);\n");
|
fprintf (stream, "\t}\n");
|
fprintf (stream, "\t}\n");
|
}
|
}
|
|
|
fprintf (stream, "void %s() {\n", initname);
|
fprintf (stream, "void %s() {\n", initname);
|
if (constructors.number > 0 || frames)
|
if (constructors.number > 0 || frames)
|
{
|
{
|
fprintf (stream, "\tstatic entry_pt *ctors[] = {\n");
|
fprintf (stream, "\tstatic entry_pt *ctors[] = {\n");
|
write_list (stream, "\t\t", constructors.first);
|
write_list (stream, "\t\t", constructors.first);
|
if (frames)
|
if (frames)
|
fprintf (stream, "\treg_frame,\n");
|
fprintf (stream, "\treg_frame,\n");
|
fprintf (stream, "\t};\n");
|
fprintf (stream, "\t};\n");
|
fprintf (stream, "\tentry_pt **p;\n");
|
fprintf (stream, "\tentry_pt **p;\n");
|
fprintf (stream, "\tif (count++ != 0) return;\n");
|
fprintf (stream, "\tif (count++ != 0) return;\n");
|
fprintf (stream, "\tp = ctors + %d;\n", constructors.number + frames);
|
fprintf (stream, "\tp = ctors + %d;\n", constructors.number + frames);
|
fprintf (stream, "\twhile (p > ctors) (*--p)();\n");
|
fprintf (stream, "\twhile (p > ctors) (*--p)();\n");
|
}
|
}
|
else
|
else
|
fprintf (stream, "\t++count;\n");
|
fprintf (stream, "\t++count;\n");
|
fprintf (stream, "}\n");
|
fprintf (stream, "}\n");
|
write_list_with_asm (stream, "extern entry_pt ", destructors.first);
|
write_list_with_asm (stream, "extern entry_pt ", destructors.first);
|
fprintf (stream, "void %s() {\n", fininame);
|
fprintf (stream, "void %s() {\n", fininame);
|
if (destructors.number > 0 || frames)
|
if (destructors.number > 0 || frames)
|
{
|
{
|
fprintf (stream, "\tstatic entry_pt *dtors[] = {\n");
|
fprintf (stream, "\tstatic entry_pt *dtors[] = {\n");
|
write_list (stream, "\t\t", destructors.first);
|
write_list (stream, "\t\t", destructors.first);
|
if (frames)
|
if (frames)
|
fprintf (stream, "\tdereg_frame,\n");
|
fprintf (stream, "\tdereg_frame,\n");
|
fprintf (stream, "\t};\n");
|
fprintf (stream, "\t};\n");
|
fprintf (stream, "\tentry_pt **p;\n");
|
fprintf (stream, "\tentry_pt **p;\n");
|
fprintf (stream, "\tif (--count != 0) return;\n");
|
fprintf (stream, "\tif (--count != 0) return;\n");
|
fprintf (stream, "\tp = dtors;\n");
|
fprintf (stream, "\tp = dtors;\n");
|
fprintf (stream, "\twhile (p < dtors + %d) (*p++)();\n",
|
fprintf (stream, "\twhile (p < dtors + %d) (*p++)();\n",
|
destructors.number + frames);
|
destructors.number + frames);
|
}
|
}
|
fprintf (stream, "}\n");
|
fprintf (stream, "}\n");
|
|
|
if (shared_obj)
|
if (shared_obj)
|
{
|
{
|
COLLECT_SHARED_INIT_FUNC(stream, initname);
|
COLLECT_SHARED_INIT_FUNC(stream, initname);
|
COLLECT_SHARED_FINI_FUNC(stream, fininame);
|
COLLECT_SHARED_FINI_FUNC(stream, fininame);
|
}
|
}
|
}
|
}
|
|
|
/* Write the constructor/destructor tables. */
|
/* Write the constructor/destructor tables. */
|
|
|
#ifndef LD_INIT_SWITCH
|
#ifndef LD_INIT_SWITCH
|
static void
|
static void
|
write_c_file_glob (FILE *stream, const char *name ATTRIBUTE_UNUSED)
|
write_c_file_glob (FILE *stream, const char *name ATTRIBUTE_UNUSED)
|
{
|
{
|
/* Write the tables as C code. */
|
/* Write the tables as C code. */
|
|
|
int frames = (frame_tables.number > 0);
|
int frames = (frame_tables.number > 0);
|
|
|
fprintf (stream, "typedef void entry_pt();\n\n");
|
fprintf (stream, "typedef void entry_pt();\n\n");
|
|
|
write_list_with_asm (stream, "extern entry_pt ", constructors.first);
|
write_list_with_asm (stream, "extern entry_pt ", constructors.first);
|
|
|
if (frames)
|
if (frames)
|
{
|
{
|
write_list_with_asm (stream, "extern void *", frame_tables.first);
|
write_list_with_asm (stream, "extern void *", frame_tables.first);
|
|
|
fprintf (stream, "\tstatic void *frame_table[] = {\n");
|
fprintf (stream, "\tstatic void *frame_table[] = {\n");
|
write_list (stream, "\t\t&", frame_tables.first);
|
write_list (stream, "\t\t&", frame_tables.first);
|
fprintf (stream, "\t0\n};\n");
|
fprintf (stream, "\t0\n};\n");
|
|
|
/* This must match what's in frame.h. */
|
/* This must match what's in frame.h. */
|
fprintf (stream, "struct object {\n");
|
fprintf (stream, "struct object {\n");
|
fprintf (stream, " void *pc_begin;\n");
|
fprintf (stream, " void *pc_begin;\n");
|
fprintf (stream, " void *pc_end;\n");
|
fprintf (stream, " void *pc_end;\n");
|
fprintf (stream, " void *fde_begin;\n");
|
fprintf (stream, " void *fde_begin;\n");
|
fprintf (stream, " void *fde_array;\n");
|
fprintf (stream, " void *fde_array;\n");
|
fprintf (stream, " __SIZE_TYPE__ count;\n");
|
fprintf (stream, " __SIZE_TYPE__ count;\n");
|
fprintf (stream, " struct object *next;\n");
|
fprintf (stream, " struct object *next;\n");
|
fprintf (stream, "};\n");
|
fprintf (stream, "};\n");
|
|
|
fprintf (stream, "extern void __register_frame_info_table (void *, struct object *);\n");
|
fprintf (stream, "extern void __register_frame_info_table (void *, struct object *);\n");
|
fprintf (stream, "extern void *__deregister_frame_info (void *);\n");
|
fprintf (stream, "extern void *__deregister_frame_info (void *);\n");
|
|
|
fprintf (stream, "static void reg_frame () {\n");
|
fprintf (stream, "static void reg_frame () {\n");
|
fprintf (stream, "\tstatic struct object ob;\n");
|
fprintf (stream, "\tstatic struct object ob;\n");
|
fprintf (stream, "\t__register_frame_info_table (frame_table, &ob);\n");
|
fprintf (stream, "\t__register_frame_info_table (frame_table, &ob);\n");
|
fprintf (stream, "\t}\n");
|
fprintf (stream, "\t}\n");
|
|
|
fprintf (stream, "static void dereg_frame () {\n");
|
fprintf (stream, "static void dereg_frame () {\n");
|
fprintf (stream, "\t__deregister_frame_info (frame_table);\n");
|
fprintf (stream, "\t__deregister_frame_info (frame_table);\n");
|
fprintf (stream, "\t}\n");
|
fprintf (stream, "\t}\n");
|
}
|
}
|
|
|
fprintf (stream, "\nentry_pt * __CTOR_LIST__[] = {\n");
|
fprintf (stream, "\nentry_pt * __CTOR_LIST__[] = {\n");
|
fprintf (stream, "\t(entry_pt *) %d,\n", constructors.number + frames);
|
fprintf (stream, "\t(entry_pt *) %d,\n", constructors.number + frames);
|
write_list (stream, "\t", constructors.first);
|
write_list (stream, "\t", constructors.first);
|
if (frames)
|
if (frames)
|
fprintf (stream, "\treg_frame,\n");
|
fprintf (stream, "\treg_frame,\n");
|
fprintf (stream, "\t0\n};\n\n");
|
fprintf (stream, "\t0\n};\n\n");
|
|
|
write_list_with_asm (stream, "extern entry_pt ", destructors.first);
|
write_list_with_asm (stream, "extern entry_pt ", destructors.first);
|
|
|
fprintf (stream, "\nentry_pt * __DTOR_LIST__[] = {\n");
|
fprintf (stream, "\nentry_pt * __DTOR_LIST__[] = {\n");
|
fprintf (stream, "\t(entry_pt *) %d,\n", destructors.number + frames);
|
fprintf (stream, "\t(entry_pt *) %d,\n", destructors.number + frames);
|
write_list (stream, "\t", destructors.first);
|
write_list (stream, "\t", destructors.first);
|
if (frames)
|
if (frames)
|
fprintf (stream, "\tdereg_frame,\n");
|
fprintf (stream, "\tdereg_frame,\n");
|
fprintf (stream, "\t0\n};\n\n");
|
fprintf (stream, "\t0\n};\n\n");
|
|
|
fprintf (stream, "extern entry_pt %s;\n", NAME__MAIN);
|
fprintf (stream, "extern entry_pt %s;\n", NAME__MAIN);
|
fprintf (stream, "entry_pt *__main_reference = %s;\n\n", NAME__MAIN);
|
fprintf (stream, "entry_pt *__main_reference = %s;\n\n", NAME__MAIN);
|
}
|
}
|
#endif /* ! LD_INIT_SWITCH */
|
#endif /* ! LD_INIT_SWITCH */
|
|
|
static void
|
static void
|
write_c_file (FILE *stream, const char *name)
|
write_c_file (FILE *stream, const char *name)
|
{
|
{
|
#ifndef LD_INIT_SWITCH
|
#ifndef LD_INIT_SWITCH
|
if (! shared_obj)
|
if (! shared_obj)
|
write_c_file_glob (stream, name);
|
write_c_file_glob (stream, name);
|
else
|
else
|
#endif
|
#endif
|
write_c_file_stat (stream, name);
|
write_c_file_stat (stream, name);
|
}
|
}
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
static void
|
static void
|
write_aix_file (FILE *stream, struct id *list)
|
write_aix_file (FILE *stream, struct id *list)
|
{
|
{
|
for (; list; list = list->next)
|
for (; list; list = list->next)
|
{
|
{
|
fputs (list->name, stream);
|
fputs (list->name, stream);
|
putc ('\n', stream);
|
putc ('\n', stream);
|
}
|
}
|
}
|
}
|
#endif
|
#endif
|
|
|
#ifdef OBJECT_FORMAT_NONE
|
#ifdef OBJECT_FORMAT_NONE
|
|
|
/* Check to make sure the file is an LTO object file. */
|
/* Check to make sure the file is an LTO object file. */
|
|
|
static bool
|
static bool
|
maybe_lto_object_file (const char *prog_name)
|
maybe_lto_object_file (const char *prog_name)
|
{
|
{
|
FILE *f;
|
FILE *f;
|
unsigned char buf[4];
|
unsigned char buf[4];
|
int i;
|
int i;
|
|
|
static unsigned char elfmagic[4] = { 0x7f, 'E', 'L', 'F' };
|
static unsigned char elfmagic[4] = { 0x7f, 'E', 'L', 'F' };
|
static unsigned char coffmagic[2] = { 0x4c, 0x01 };
|
static unsigned char coffmagic[2] = { 0x4c, 0x01 };
|
static unsigned char machomagic[4][4] = {
|
static unsigned char machomagic[4][4] = {
|
{ 0xcf, 0xfa, 0xed, 0xfe },
|
{ 0xcf, 0xfa, 0xed, 0xfe },
|
{ 0xce, 0xfa, 0xed, 0xfe },
|
{ 0xce, 0xfa, 0xed, 0xfe },
|
{ 0xfe, 0xed, 0xfa, 0xcf },
|
{ 0xfe, 0xed, 0xfa, 0xcf },
|
{ 0xfe, 0xed, 0xfa, 0xce }
|
{ 0xfe, 0xed, 0xfa, 0xce }
|
};
|
};
|
|
|
f = fopen (prog_name, "rb");
|
f = fopen (prog_name, "rb");
|
if (f == NULL)
|
if (f == NULL)
|
return false;
|
return false;
|
if (fread (buf, sizeof (buf), 1, f) != 1)
|
if (fread (buf, sizeof (buf), 1, f) != 1)
|
buf[0] = 0;
|
buf[0] = 0;
|
fclose (f);
|
fclose (f);
|
|
|
if (memcmp (buf, elfmagic, sizeof (elfmagic)) == 0
|
if (memcmp (buf, elfmagic, sizeof (elfmagic)) == 0
|
|| memcmp (buf, coffmagic, sizeof (coffmagic)) == 0)
|
|| memcmp (buf, coffmagic, sizeof (coffmagic)) == 0)
|
return true;
|
return true;
|
for (i = 0; i < 4; i++)
|
for (i = 0; i < 4; i++)
|
if (memcmp (buf, machomagic[i], sizeof (machomagic[i])) == 0)
|
if (memcmp (buf, machomagic[i], sizeof (machomagic[i])) == 0)
|
return true;
|
return true;
|
|
|
return false;
|
return false;
|
}
|
}
|
|
|
/* Generic version to scan the name list of the loaded program for
|
/* Generic version to scan the name list of the loaded program for
|
the symbols g++ uses for static constructors and destructors. */
|
the symbols g++ uses for static constructors and destructors. */
|
|
|
static void
|
static void
|
scan_prog_file (const char *prog_name, scanpass which_pass,
|
scan_prog_file (const char *prog_name, scanpass which_pass,
|
scanfilter filter)
|
scanfilter filter)
|
{
|
{
|
void (*int_handler) (int);
|
void (*int_handler) (int);
|
#ifdef SIGQUIT
|
#ifdef SIGQUIT
|
void (*quit_handler) (int);
|
void (*quit_handler) (int);
|
#endif
|
#endif
|
char *real_nm_argv[4];
|
char *real_nm_argv[4];
|
const char **nm_argv = CONST_CAST2 (const char **, char**, real_nm_argv);
|
const char **nm_argv = CONST_CAST2 (const char **, char**, real_nm_argv);
|
int argc = 0;
|
int argc = 0;
|
struct pex_obj *pex;
|
struct pex_obj *pex;
|
const char *errmsg;
|
const char *errmsg;
|
int err;
|
int err;
|
char *p, buf[1024];
|
char *p, buf[1024];
|
FILE *inf;
|
FILE *inf;
|
int found_lto = 0;
|
int found_lto = 0;
|
|
|
if (which_pass == PASS_SECOND)
|
if (which_pass == PASS_SECOND)
|
return;
|
return;
|
|
|
/* LTO objects must be in a known format. This check prevents
|
/* LTO objects must be in a known format. This check prevents
|
us from accepting an archive containing LTO objects, which
|
us from accepting an archive containing LTO objects, which
|
gcc cannnot currently handle. */
|
gcc cannnot currently handle. */
|
if (which_pass == PASS_LTOINFO && !maybe_lto_object_file (prog_name))
|
if (which_pass == PASS_LTOINFO && !maybe_lto_object_file (prog_name))
|
return;
|
return;
|
|
|
/* If we do not have an `nm', complain. */
|
/* If we do not have an `nm', complain. */
|
if (nm_file_name == 0)
|
if (nm_file_name == 0)
|
fatal ("cannot find 'nm'");
|
fatal ("cannot find 'nm'");
|
|
|
nm_argv[argc++] = nm_file_name;
|
nm_argv[argc++] = nm_file_name;
|
if (NM_FLAGS[0] != '\0')
|
if (NM_FLAGS[0] != '\0')
|
nm_argv[argc++] = NM_FLAGS;
|
nm_argv[argc++] = NM_FLAGS;
|
|
|
nm_argv[argc++] = prog_name;
|
nm_argv[argc++] = prog_name;
|
nm_argv[argc++] = (char *) 0;
|
nm_argv[argc++] = (char *) 0;
|
|
|
/* Trace if needed. */
|
/* Trace if needed. */
|
if (vflag)
|
if (vflag)
|
{
|
{
|
const char **p_argv;
|
const char **p_argv;
|
const char *str;
|
const char *str;
|
|
|
for (p_argv = &nm_argv[0]; (str = *p_argv) != (char *) 0; p_argv++)
|
for (p_argv = &nm_argv[0]; (str = *p_argv) != (char *) 0; p_argv++)
|
fprintf (stderr, " %s", str);
|
fprintf (stderr, " %s", str);
|
|
|
fprintf (stderr, "\n");
|
fprintf (stderr, "\n");
|
}
|
}
|
|
|
fflush (stdout);
|
fflush (stdout);
|
fflush (stderr);
|
fflush (stderr);
|
|
|
pex = pex_init (PEX_USE_PIPES, "collect2", NULL);
|
pex = pex_init (PEX_USE_PIPES, "collect2", NULL);
|
if (pex == NULL)
|
if (pex == NULL)
|
fatal_perror ("pex_init failed");
|
fatal_perror ("pex_init failed");
|
|
|
errmsg = pex_run (pex, 0, nm_file_name, real_nm_argv, NULL, HOST_BIT_BUCKET,
|
errmsg = pex_run (pex, 0, nm_file_name, real_nm_argv, NULL, HOST_BIT_BUCKET,
|
&err);
|
&err);
|
if (errmsg != NULL)
|
if (errmsg != NULL)
|
{
|
{
|
if (err != 0)
|
if (err != 0)
|
{
|
{
|
errno = err;
|
errno = err;
|
fatal_perror (errmsg);
|
fatal_perror (errmsg);
|
}
|
}
|
else
|
else
|
fatal (errmsg);
|
fatal (errmsg);
|
}
|
}
|
|
|
int_handler = (void (*) (int)) signal (SIGINT, SIG_IGN);
|
int_handler = (void (*) (int)) signal (SIGINT, SIG_IGN);
|
#ifdef SIGQUIT
|
#ifdef SIGQUIT
|
quit_handler = (void (*) (int)) signal (SIGQUIT, SIG_IGN);
|
quit_handler = (void (*) (int)) signal (SIGQUIT, SIG_IGN);
|
#endif
|
#endif
|
|
|
inf = pex_read_output (pex, 0);
|
inf = pex_read_output (pex, 0);
|
if (inf == NULL)
|
if (inf == NULL)
|
fatal_perror ("can't open nm output");
|
fatal_perror ("can't open nm output");
|
|
|
if (debug)
|
if (debug)
|
{
|
{
|
if (which_pass == PASS_LTOINFO)
|
if (which_pass == PASS_LTOINFO)
|
fprintf (stderr, "\nnm output with LTO info marker symbol.\n");
|
fprintf (stderr, "\nnm output with LTO info marker symbol.\n");
|
else
|
else
|
fprintf (stderr, "\nnm output with constructors/destructors.\n");
|
fprintf (stderr, "\nnm output with constructors/destructors.\n");
|
}
|
}
|
|
|
/* Read each line of nm output. */
|
/* Read each line of nm output. */
|
while (fgets (buf, sizeof buf, inf) != (char *) 0)
|
while (fgets (buf, sizeof buf, inf) != (char *) 0)
|
{
|
{
|
int ch, ch2;
|
int ch, ch2;
|
char *name, *end;
|
char *name, *end;
|
|
|
if (debug)
|
if (debug)
|
fprintf (stderr, "\t%s\n", buf);
|
fprintf (stderr, "\t%s\n", buf);
|
|
|
if (which_pass == PASS_LTOINFO)
|
if (which_pass == PASS_LTOINFO)
|
{
|
{
|
if (found_lto)
|
if (found_lto)
|
continue;
|
continue;
|
|
|
/* Look for the LTO info marker symbol, and add filename to
|
/* Look for the LTO info marker symbol, and add filename to
|
the LTO objects list if found. */
|
the LTO objects list if found. */
|
for (p = buf; (ch = *p) != '\0' && ch != '\n'; p++)
|
for (p = buf; (ch = *p) != '\0' && ch != '\n'; p++)
|
if (ch == ' ' && p[1] == '_' && p[2] == '_'
|
if (ch == ' ' && p[1] == '_' && p[2] == '_'
|
&& (strncmp (p + (p[3] == '_' ? 2 : 1), "__gnu_lto_v1", 12) == 0)
|
&& (strncmp (p + (p[3] == '_' ? 2 : 1), "__gnu_lto_v1", 12) == 0)
|
&& ISSPACE (p[p[3] == '_' ? 14 : 13]))
|
&& ISSPACE (p[p[3] == '_' ? 14 : 13]))
|
{
|
{
|
add_lto_object (<o_objects, prog_name);
|
add_lto_object (<o_objects, prog_name);
|
|
|
/* We need to read all the input, so we can't just
|
/* We need to read all the input, so we can't just
|
return here. But we can avoid useless work. */
|
return here. But we can avoid useless work. */
|
found_lto = 1;
|
found_lto = 1;
|
|
|
break;
|
break;
|
}
|
}
|
|
|
continue;
|
continue;
|
}
|
}
|
|
|
/* If it contains a constructor or destructor name, add the name
|
/* If it contains a constructor or destructor name, add the name
|
to the appropriate list unless this is a kind of symbol we're
|
to the appropriate list unless this is a kind of symbol we're
|
not supposed to even consider. */
|
not supposed to even consider. */
|
|
|
for (p = buf; (ch = *p) != '\0' && ch != '\n' && ch != '_'; p++)
|
for (p = buf; (ch = *p) != '\0' && ch != '\n' && ch != '_'; p++)
|
if (ch == ' ' && p[1] == 'U' && p[2] == ' ')
|
if (ch == ' ' && p[1] == 'U' && p[2] == ' ')
|
break;
|
break;
|
|
|
if (ch != '_')
|
if (ch != '_')
|
continue;
|
continue;
|
|
|
name = p;
|
name = p;
|
/* Find the end of the symbol name.
|
/* Find the end of the symbol name.
|
Do not include `|', because Encore nm can tack that on the end. */
|
Do not include `|', because Encore nm can tack that on the end. */
|
for (end = p; (ch2 = *end) != '\0' && !ISSPACE (ch2) && ch2 != '|';
|
for (end = p; (ch2 = *end) != '\0' && !ISSPACE (ch2) && ch2 != '|';
|
end++)
|
end++)
|
continue;
|
continue;
|
|
|
|
|
*end = '\0';
|
*end = '\0';
|
switch (is_ctor_dtor (name))
|
switch (is_ctor_dtor (name))
|
{
|
{
|
case SYM_CTOR:
|
case SYM_CTOR:
|
if (! (filter & SCAN_CTOR))
|
if (! (filter & SCAN_CTOR))
|
break;
|
break;
|
if (which_pass != PASS_LIB)
|
if (which_pass != PASS_LIB)
|
add_to_list (&constructors, name);
|
add_to_list (&constructors, name);
|
break;
|
break;
|
|
|
case SYM_DTOR:
|
case SYM_DTOR:
|
if (! (filter & SCAN_DTOR))
|
if (! (filter & SCAN_DTOR))
|
break;
|
break;
|
if (which_pass != PASS_LIB)
|
if (which_pass != PASS_LIB)
|
add_to_list (&destructors, name);
|
add_to_list (&destructors, name);
|
break;
|
break;
|
|
|
case SYM_INIT:
|
case SYM_INIT:
|
if (! (filter & SCAN_INIT))
|
if (! (filter & SCAN_INIT))
|
break;
|
break;
|
if (which_pass != PASS_LIB)
|
if (which_pass != PASS_LIB)
|
fatal ("init function found in object %s", prog_name);
|
fatal ("init function found in object %s", prog_name);
|
#ifndef LD_INIT_SWITCH
|
#ifndef LD_INIT_SWITCH
|
add_to_list (&constructors, name);
|
add_to_list (&constructors, name);
|
#endif
|
#endif
|
break;
|
break;
|
|
|
case SYM_FINI:
|
case SYM_FINI:
|
if (! (filter & SCAN_FINI))
|
if (! (filter & SCAN_FINI))
|
break;
|
break;
|
if (which_pass != PASS_LIB)
|
if (which_pass != PASS_LIB)
|
fatal ("fini function found in object %s", prog_name);
|
fatal ("fini function found in object %s", prog_name);
|
#ifndef LD_FINI_SWITCH
|
#ifndef LD_FINI_SWITCH
|
add_to_list (&destructors, name);
|
add_to_list (&destructors, name);
|
#endif
|
#endif
|
break;
|
break;
|
|
|
case SYM_DWEH:
|
case SYM_DWEH:
|
if (! (filter & SCAN_DWEH))
|
if (! (filter & SCAN_DWEH))
|
break;
|
break;
|
if (which_pass != PASS_LIB)
|
if (which_pass != PASS_LIB)
|
add_to_list (&frame_tables, name);
|
add_to_list (&frame_tables, name);
|
break;
|
break;
|
|
|
default: /* not a constructor or destructor */
|
default: /* not a constructor or destructor */
|
continue;
|
continue;
|
}
|
}
|
}
|
}
|
|
|
if (debug)
|
if (debug)
|
fprintf (stderr, "\n");
|
fprintf (stderr, "\n");
|
|
|
do_wait (nm_file_name, pex);
|
do_wait (nm_file_name, pex);
|
|
|
signal (SIGINT, int_handler);
|
signal (SIGINT, int_handler);
|
#ifdef SIGQUIT
|
#ifdef SIGQUIT
|
signal (SIGQUIT, quit_handler);
|
signal (SIGQUIT, quit_handler);
|
#endif
|
#endif
|
}
|
}
|
|
|
#ifdef LDD_SUFFIX
|
#ifdef LDD_SUFFIX
|
|
|
/* Use the List Dynamic Dependencies program to find shared libraries that
|
/* Use the List Dynamic Dependencies program to find shared libraries that
|
the output file depends upon and their initialization/finalization
|
the output file depends upon and their initialization/finalization
|
routines, if any. */
|
routines, if any. */
|
|
|
static void
|
static void
|
scan_libraries (const char *prog_name)
|
scan_libraries (const char *prog_name)
|
{
|
{
|
static struct head libraries; /* list of shared libraries found */
|
static struct head libraries; /* list of shared libraries found */
|
struct id *list;
|
struct id *list;
|
void (*int_handler) (int);
|
void (*int_handler) (int);
|
#ifdef SIGQUIT
|
#ifdef SIGQUIT
|
void (*quit_handler) (int);
|
void (*quit_handler) (int);
|
#endif
|
#endif
|
char *real_ldd_argv[4];
|
char *real_ldd_argv[4];
|
const char **ldd_argv = CONST_CAST2 (const char **, char **, real_ldd_argv);
|
const char **ldd_argv = CONST_CAST2 (const char **, char **, real_ldd_argv);
|
int argc = 0;
|
int argc = 0;
|
struct pex_obj *pex;
|
struct pex_obj *pex;
|
const char *errmsg;
|
const char *errmsg;
|
int err;
|
int err;
|
char buf[1024];
|
char buf[1024];
|
FILE *inf;
|
FILE *inf;
|
|
|
/* If we do not have an `ldd', complain. */
|
/* If we do not have an `ldd', complain. */
|
if (ldd_file_name == 0)
|
if (ldd_file_name == 0)
|
{
|
{
|
error ("cannot find 'ldd'");
|
error ("cannot find 'ldd'");
|
return;
|
return;
|
}
|
}
|
|
|
ldd_argv[argc++] = ldd_file_name;
|
ldd_argv[argc++] = ldd_file_name;
|
ldd_argv[argc++] = prog_name;
|
ldd_argv[argc++] = prog_name;
|
ldd_argv[argc++] = (char *) 0;
|
ldd_argv[argc++] = (char *) 0;
|
|
|
/* Trace if needed. */
|
/* Trace if needed. */
|
if (vflag)
|
if (vflag)
|
{
|
{
|
const char **p_argv;
|
const char **p_argv;
|
const char *str;
|
const char *str;
|
|
|
for (p_argv = &ldd_argv[0]; (str = *p_argv) != (char *) 0; p_argv++)
|
for (p_argv = &ldd_argv[0]; (str = *p_argv) != (char *) 0; p_argv++)
|
fprintf (stderr, " %s", str);
|
fprintf (stderr, " %s", str);
|
|
|
fprintf (stderr, "\n");
|
fprintf (stderr, "\n");
|
}
|
}
|
|
|
fflush (stdout);
|
fflush (stdout);
|
fflush (stderr);
|
fflush (stderr);
|
|
|
pex = pex_init (PEX_USE_PIPES, "collect2", NULL);
|
pex = pex_init (PEX_USE_PIPES, "collect2", NULL);
|
if (pex == NULL)
|
if (pex == NULL)
|
fatal_perror ("pex_init failed");
|
fatal_perror ("pex_init failed");
|
|
|
errmsg = pex_run (pex, 0, ldd_file_name, real_ldd_argv, NULL, NULL, &err);
|
errmsg = pex_run (pex, 0, ldd_file_name, real_ldd_argv, NULL, NULL, &err);
|
if (errmsg != NULL)
|
if (errmsg != NULL)
|
{
|
{
|
if (err != 0)
|
if (err != 0)
|
{
|
{
|
errno = err;
|
errno = err;
|
fatal_perror (errmsg);
|
fatal_perror (errmsg);
|
}
|
}
|
else
|
else
|
fatal (errmsg);
|
fatal (errmsg);
|
}
|
}
|
|
|
int_handler = (void (*) (int)) signal (SIGINT, SIG_IGN);
|
int_handler = (void (*) (int)) signal (SIGINT, SIG_IGN);
|
#ifdef SIGQUIT
|
#ifdef SIGQUIT
|
quit_handler = (void (*) (int)) signal (SIGQUIT, SIG_IGN);
|
quit_handler = (void (*) (int)) signal (SIGQUIT, SIG_IGN);
|
#endif
|
#endif
|
|
|
inf = pex_read_output (pex, 0);
|
inf = pex_read_output (pex, 0);
|
if (inf == NULL)
|
if (inf == NULL)
|
fatal_perror ("can't open ldd output");
|
fatal_perror ("can't open ldd output");
|
|
|
if (debug)
|
if (debug)
|
notice ("\nldd output with constructors/destructors.\n");
|
notice ("\nldd output with constructors/destructors.\n");
|
|
|
/* Read each line of ldd output. */
|
/* Read each line of ldd output. */
|
while (fgets (buf, sizeof buf, inf) != (char *) 0)
|
while (fgets (buf, sizeof buf, inf) != (char *) 0)
|
{
|
{
|
int ch2;
|
int ch2;
|
char *name, *end, *p = buf;
|
char *name, *end, *p = buf;
|
|
|
/* Extract names of libraries and add to list. */
|
/* Extract names of libraries and add to list. */
|
PARSE_LDD_OUTPUT (p);
|
PARSE_LDD_OUTPUT (p);
|
if (p == 0)
|
if (p == 0)
|
continue;
|
continue;
|
|
|
name = p;
|
name = p;
|
if (strncmp (name, "not found", sizeof ("not found") - 1) == 0)
|
if (strncmp (name, "not found", sizeof ("not found") - 1) == 0)
|
fatal ("dynamic dependency %s not found", buf);
|
fatal ("dynamic dependency %s not found", buf);
|
|
|
/* Find the end of the symbol name. */
|
/* Find the end of the symbol name. */
|
for (end = p;
|
for (end = p;
|
(ch2 = *end) != '\0' && ch2 != '\n' && !ISSPACE (ch2) && ch2 != '|';
|
(ch2 = *end) != '\0' && ch2 != '\n' && !ISSPACE (ch2) && ch2 != '|';
|
end++)
|
end++)
|
continue;
|
continue;
|
*end = '\0';
|
*end = '\0';
|
|
|
if (access (name, R_OK) == 0)
|
if (access (name, R_OK) == 0)
|
add_to_list (&libraries, name);
|
add_to_list (&libraries, name);
|
else
|
else
|
fatal ("unable to open dynamic dependency '%s'", buf);
|
fatal ("unable to open dynamic dependency '%s'", buf);
|
|
|
if (debug)
|
if (debug)
|
fprintf (stderr, "\t%s\n", buf);
|
fprintf (stderr, "\t%s\n", buf);
|
}
|
}
|
if (debug)
|
if (debug)
|
fprintf (stderr, "\n");
|
fprintf (stderr, "\n");
|
|
|
do_wait (ldd_file_name, pex);
|
do_wait (ldd_file_name, pex);
|
|
|
signal (SIGINT, int_handler);
|
signal (SIGINT, int_handler);
|
#ifdef SIGQUIT
|
#ifdef SIGQUIT
|
signal (SIGQUIT, quit_handler);
|
signal (SIGQUIT, quit_handler);
|
#endif
|
#endif
|
|
|
/* Now iterate through the library list adding their symbols to
|
/* Now iterate through the library list adding their symbols to
|
the list. */
|
the list. */
|
for (list = libraries.first; list; list = list->next)
|
for (list = libraries.first; list; list = list->next)
|
scan_prog_file (list->name, PASS_LIB, SCAN_ALL);
|
scan_prog_file (list->name, PASS_LIB, SCAN_ALL);
|
}
|
}
|
|
|
#endif /* LDD_SUFFIX */
|
#endif /* LDD_SUFFIX */
|
|
|
#endif /* OBJECT_FORMAT_NONE */
|
#endif /* OBJECT_FORMAT_NONE */
|
|
|
|
|
/*
|
/*
|
* COFF specific stuff.
|
* COFF specific stuff.
|
*/
|
*/
|
|
|
#ifdef OBJECT_FORMAT_COFF
|
#ifdef OBJECT_FORMAT_COFF
|
|
|
#if defined (EXTENDED_COFF)
|
#if defined (EXTENDED_COFF)
|
|
|
# define GCC_SYMBOLS(X) (SYMHEADER(X).isymMax + SYMHEADER(X).iextMax)
|
# define GCC_SYMBOLS(X) (SYMHEADER(X).isymMax + SYMHEADER(X).iextMax)
|
# define GCC_SYMENT SYMR
|
# define GCC_SYMENT SYMR
|
# define GCC_OK_SYMBOL(X) ((X).st == stProc || (X).st == stGlobal)
|
# define GCC_OK_SYMBOL(X) ((X).st == stProc || (X).st == stGlobal)
|
# define GCC_SYMINC(X) (1)
|
# define GCC_SYMINC(X) (1)
|
# define GCC_SYMZERO(X) (SYMHEADER(X).isymMax)
|
# define GCC_SYMZERO(X) (SYMHEADER(X).isymMax)
|
# define GCC_CHECK_HDR(X) (PSYMTAB(X) != 0)
|
# define GCC_CHECK_HDR(X) (PSYMTAB(X) != 0)
|
|
|
#else
|
#else
|
|
|
# define GCC_SYMBOLS(X) (HEADER(ldptr).f_nsyms)
|
# define GCC_SYMBOLS(X) (HEADER(ldptr).f_nsyms)
|
# define GCC_SYMENT SYMENT
|
# define GCC_SYMENT SYMENT
|
# if defined (C_WEAKEXT)
|
# if defined (C_WEAKEXT)
|
# define GCC_OK_SYMBOL(X) \
|
# define GCC_OK_SYMBOL(X) \
|
(((X).n_sclass == C_EXT || (X).n_sclass == C_WEAKEXT) && \
|
(((X).n_sclass == C_EXT || (X).n_sclass == C_WEAKEXT) && \
|
((X).n_scnum > N_UNDEF) && \
|
((X).n_scnum > N_UNDEF) && \
|
(aix64_flag \
|
(aix64_flag \
|
|| (((X).n_type & N_TMASK) == (DT_NON << N_BTSHFT) \
|
|| (((X).n_type & N_TMASK) == (DT_NON << N_BTSHFT) \
|
|| ((X).n_type & N_TMASK) == (DT_FCN << N_BTSHFT))))
|
|| ((X).n_type & N_TMASK) == (DT_FCN << N_BTSHFT))))
|
# define GCC_UNDEF_SYMBOL(X) \
|
# define GCC_UNDEF_SYMBOL(X) \
|
(((X).n_sclass == C_EXT || (X).n_sclass == C_WEAKEXT) && \
|
(((X).n_sclass == C_EXT || (X).n_sclass == C_WEAKEXT) && \
|
((X).n_scnum == N_UNDEF))
|
((X).n_scnum == N_UNDEF))
|
# else
|
# else
|
# define GCC_OK_SYMBOL(X) \
|
# define GCC_OK_SYMBOL(X) \
|
(((X).n_sclass == C_EXT) && \
|
(((X).n_sclass == C_EXT) && \
|
((X).n_scnum > N_UNDEF) && \
|
((X).n_scnum > N_UNDEF) && \
|
(aix64_flag \
|
(aix64_flag \
|
|| (((X).n_type & N_TMASK) == (DT_NON << N_BTSHFT) \
|
|| (((X).n_type & N_TMASK) == (DT_NON << N_BTSHFT) \
|
|| ((X).n_type & N_TMASK) == (DT_FCN << N_BTSHFT))))
|
|| ((X).n_type & N_TMASK) == (DT_FCN << N_BTSHFT))))
|
# define GCC_UNDEF_SYMBOL(X) \
|
# define GCC_UNDEF_SYMBOL(X) \
|
(((X).n_sclass == C_EXT) && ((X).n_scnum == N_UNDEF))
|
(((X).n_sclass == C_EXT) && ((X).n_scnum == N_UNDEF))
|
# endif
|
# endif
|
# define GCC_SYMINC(X) ((X).n_numaux+1)
|
# define GCC_SYMINC(X) ((X).n_numaux+1)
|
# define GCC_SYMZERO(X) 0
|
# define GCC_SYMZERO(X) 0
|
|
|
/* 0757 = U803XTOCMAGIC (AIX 4.3) and 0767 = U64_TOCMAGIC (AIX V5) */
|
/* 0757 = U803XTOCMAGIC (AIX 4.3) and 0767 = U64_TOCMAGIC (AIX V5) */
|
#if TARGET_AIX_VERSION >= 51
|
#if TARGET_AIX_VERSION >= 51
|
# define GCC_CHECK_HDR(X) \
|
# define GCC_CHECK_HDR(X) \
|
((HEADER (X).f_magic == U802TOCMAGIC && ! aix64_flag) \
|
((HEADER (X).f_magic == U802TOCMAGIC && ! aix64_flag) \
|
|| (HEADER (X).f_magic == 0767 && aix64_flag))
|
|| (HEADER (X).f_magic == 0767 && aix64_flag))
|
#else
|
#else
|
# define GCC_CHECK_HDR(X) \
|
# define GCC_CHECK_HDR(X) \
|
((HEADER (X).f_magic == U802TOCMAGIC && ! aix64_flag) \
|
((HEADER (X).f_magic == U802TOCMAGIC && ! aix64_flag) \
|
|| (HEADER (X).f_magic == 0757 && aix64_flag))
|
|| (HEADER (X).f_magic == 0757 && aix64_flag))
|
#endif
|
#endif
|
|
|
#endif
|
#endif
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* Array of standard AIX libraries which should not
|
/* Array of standard AIX libraries which should not
|
be scanned for ctors/dtors. */
|
be scanned for ctors/dtors. */
|
static const char *const aix_std_libs[] = {
|
static const char *const aix_std_libs[] = {
|
"/unix",
|
"/unix",
|
"/lib/libc.a",
|
"/lib/libc.a",
|
"/lib/libm.a",
|
"/lib/libm.a",
|
"/lib/libc_r.a",
|
"/lib/libc_r.a",
|
"/lib/libm_r.a",
|
"/lib/libm_r.a",
|
"/usr/lib/libc.a",
|
"/usr/lib/libc.a",
|
"/usr/lib/libm.a",
|
"/usr/lib/libm.a",
|
"/usr/lib/libc_r.a",
|
"/usr/lib/libc_r.a",
|
"/usr/lib/libm_r.a",
|
"/usr/lib/libm_r.a",
|
"/usr/lib/threads/libc.a",
|
"/usr/lib/threads/libc.a",
|
"/usr/ccs/lib/libc.a",
|
"/usr/ccs/lib/libc.a",
|
"/usr/ccs/lib/libm.a",
|
"/usr/ccs/lib/libm.a",
|
"/usr/ccs/lib/libc_r.a",
|
"/usr/ccs/lib/libc_r.a",
|
"/usr/ccs/lib/libm_r.a",
|
"/usr/ccs/lib/libm_r.a",
|
NULL
|
NULL
|
};
|
};
|
|
|
/* This function checks the filename and returns 1
|
/* This function checks the filename and returns 1
|
if this name matches the location of a standard AIX library. */
|
if this name matches the location of a standard AIX library. */
|
static int ignore_library (const char *);
|
static int ignore_library (const char *);
|
static int
|
static int
|
ignore_library (const char *name)
|
ignore_library (const char *name)
|
{
|
{
|
const char *const *p;
|
const char *const *p;
|
size_t length;
|
size_t length;
|
|
|
if (target_system_root[0] != '\0')
|
if (target_system_root[0] != '\0')
|
{
|
{
|
length = strlen (target_system_root);
|
length = strlen (target_system_root);
|
if (strncmp (name, target_system_root, length) != 0)
|
if (strncmp (name, target_system_root, length) != 0)
|
return 0;
|
return 0;
|
name += length;
|
name += length;
|
}
|
}
|
for (p = &aix_std_libs[0]; *p != NULL; ++p)
|
for (p = &aix_std_libs[0]; *p != NULL; ++p)
|
if (strcmp (name, *p) == 0)
|
if (strcmp (name, *p) == 0)
|
return 1;
|
return 1;
|
return 0;
|
return 0;
|
}
|
}
|
#endif /* COLLECT_EXPORT_LIST */
|
#endif /* COLLECT_EXPORT_LIST */
|
|
|
#if defined (HAVE_DECL_LDGETNAME) && !HAVE_DECL_LDGETNAME
|
#if defined (HAVE_DECL_LDGETNAME) && !HAVE_DECL_LDGETNAME
|
extern char *ldgetname (LDFILE *, GCC_SYMENT *);
|
extern char *ldgetname (LDFILE *, GCC_SYMENT *);
|
#endif
|
#endif
|
|
|
/* COFF version to scan the name list of the loaded program for
|
/* COFF version to scan the name list of the loaded program for
|
the symbols g++ uses for static constructors and destructors. */
|
the symbols g++ uses for static constructors and destructors. */
|
|
|
static void
|
static void
|
scan_prog_file (const char *prog_name, scanpass which_pass,
|
scan_prog_file (const char *prog_name, scanpass which_pass,
|
scanfilter filter)
|
scanfilter filter)
|
{
|
{
|
LDFILE *ldptr = NULL;
|
LDFILE *ldptr = NULL;
|
int sym_index, sym_count;
|
int sym_index, sym_count;
|
int is_shared = 0;
|
int is_shared = 0;
|
|
|
if (which_pass != PASS_FIRST && which_pass != PASS_OBJ)
|
if (which_pass != PASS_FIRST && which_pass != PASS_OBJ)
|
return;
|
return;
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* We do not need scanning for some standard C libraries. */
|
/* We do not need scanning for some standard C libraries. */
|
if (which_pass == PASS_FIRST && ignore_library (prog_name))
|
if (which_pass == PASS_FIRST && ignore_library (prog_name))
|
return;
|
return;
|
|
|
/* On AIX we have a loop, because there is not much difference
|
/* On AIX we have a loop, because there is not much difference
|
between an object and an archive. This trick allows us to
|
between an object and an archive. This trick allows us to
|
eliminate scan_libraries() function. */
|
eliminate scan_libraries() function. */
|
do
|
do
|
{
|
{
|
#endif
|
#endif
|
/* Some platforms (e.g. OSF4) declare ldopen as taking a
|
/* Some platforms (e.g. OSF4) declare ldopen as taking a
|
non-const char * filename parameter, even though it will not
|
non-const char * filename parameter, even though it will not
|
modify that string. So we must cast away const-ness here,
|
modify that string. So we must cast away const-ness here,
|
using CONST_CAST to prevent complaints from -Wcast-qual. */
|
using CONST_CAST to prevent complaints from -Wcast-qual. */
|
if ((ldptr = ldopen (CONST_CAST (char *, prog_name), ldptr)) != NULL)
|
if ((ldptr = ldopen (CONST_CAST (char *, prog_name), ldptr)) != NULL)
|
{
|
{
|
if (! MY_ISCOFF (HEADER (ldptr).f_magic))
|
if (! MY_ISCOFF (HEADER (ldptr).f_magic))
|
fatal ("%s: not a COFF file", prog_name);
|
fatal ("%s: not a COFF file", prog_name);
|
|
|
if (GCC_CHECK_HDR (ldptr))
|
if (GCC_CHECK_HDR (ldptr))
|
{
|
{
|
sym_count = GCC_SYMBOLS (ldptr);
|
sym_count = GCC_SYMBOLS (ldptr);
|
sym_index = GCC_SYMZERO (ldptr);
|
sym_index = GCC_SYMZERO (ldptr);
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* Is current archive member a shared object? */
|
/* Is current archive member a shared object? */
|
is_shared = HEADER (ldptr).f_flags & F_SHROBJ;
|
is_shared = HEADER (ldptr).f_flags & F_SHROBJ;
|
#endif
|
#endif
|
|
|
while (sym_index < sym_count)
|
while (sym_index < sym_count)
|
{
|
{
|
GCC_SYMENT symbol;
|
GCC_SYMENT symbol;
|
|
|
if (ldtbread (ldptr, sym_index, &symbol) <= 0)
|
if (ldtbread (ldptr, sym_index, &symbol) <= 0)
|
break;
|
break;
|
sym_index += GCC_SYMINC (symbol);
|
sym_index += GCC_SYMINC (symbol);
|
|
|
if (GCC_OK_SYMBOL (symbol))
|
if (GCC_OK_SYMBOL (symbol))
|
{
|
{
|
char *name;
|
char *name;
|
|
|
if ((name = ldgetname (ldptr, &symbol)) == NULL)
|
if ((name = ldgetname (ldptr, &symbol)) == NULL)
|
continue; /* Should never happen. */
|
continue; /* Should never happen. */
|
|
|
#ifdef XCOFF_DEBUGGING_INFO
|
#ifdef XCOFF_DEBUGGING_INFO
|
/* All AIX function names have a duplicate entry
|
/* All AIX function names have a duplicate entry
|
beginning with a dot. */
|
beginning with a dot. */
|
if (*name == '.')
|
if (*name == '.')
|
++name;
|
++name;
|
#endif
|
#endif
|
|
|
switch (is_ctor_dtor (name))
|
switch (is_ctor_dtor (name))
|
{
|
{
|
case SYM_CTOR:
|
case SYM_CTOR:
|
if (! (filter & SCAN_CTOR))
|
if (! (filter & SCAN_CTOR))
|
break;
|
break;
|
if (! is_shared)
|
if (! is_shared)
|
add_to_list (&constructors, name);
|
add_to_list (&constructors, name);
|
#if defined (COLLECT_EXPORT_LIST) && !defined (LD_INIT_SWITCH)
|
#if defined (COLLECT_EXPORT_LIST) && !defined (LD_INIT_SWITCH)
|
if (which_pass == PASS_OBJ)
|
if (which_pass == PASS_OBJ)
|
add_to_list (&exports, name);
|
add_to_list (&exports, name);
|
#endif
|
#endif
|
break;
|
break;
|
|
|
case SYM_DTOR:
|
case SYM_DTOR:
|
if (! (filter & SCAN_DTOR))
|
if (! (filter & SCAN_DTOR))
|
break;
|
break;
|
if (! is_shared)
|
if (! is_shared)
|
add_to_list (&destructors, name);
|
add_to_list (&destructors, name);
|
#if defined (COLLECT_EXPORT_LIST) && !defined (LD_INIT_SWITCH)
|
#if defined (COLLECT_EXPORT_LIST) && !defined (LD_INIT_SWITCH)
|
if (which_pass == PASS_OBJ)
|
if (which_pass == PASS_OBJ)
|
add_to_list (&exports, name);
|
add_to_list (&exports, name);
|
#endif
|
#endif
|
break;
|
break;
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
case SYM_INIT:
|
case SYM_INIT:
|
if (! (filter & SCAN_INIT))
|
if (! (filter & SCAN_INIT))
|
break;
|
break;
|
#ifndef LD_INIT_SWITCH
|
#ifndef LD_INIT_SWITCH
|
if (is_shared)
|
if (is_shared)
|
add_to_list (&constructors, name);
|
add_to_list (&constructors, name);
|
#endif
|
#endif
|
break;
|
break;
|
|
|
case SYM_FINI:
|
case SYM_FINI:
|
if (! (filter & SCAN_FINI))
|
if (! (filter & SCAN_FINI))
|
break;
|
break;
|
#ifndef LD_INIT_SWITCH
|
#ifndef LD_INIT_SWITCH
|
if (is_shared)
|
if (is_shared)
|
add_to_list (&destructors, name);
|
add_to_list (&destructors, name);
|
#endif
|
#endif
|
break;
|
break;
|
#endif
|
#endif
|
|
|
case SYM_DWEH:
|
case SYM_DWEH:
|
if (! (filter & SCAN_DWEH))
|
if (! (filter & SCAN_DWEH))
|
break;
|
break;
|
if (! is_shared)
|
if (! is_shared)
|
add_to_list (&frame_tables, name);
|
add_to_list (&frame_tables, name);
|
#if defined (COLLECT_EXPORT_LIST) && !defined (LD_INIT_SWITCH)
|
#if defined (COLLECT_EXPORT_LIST) && !defined (LD_INIT_SWITCH)
|
if (which_pass == PASS_OBJ)
|
if (which_pass == PASS_OBJ)
|
add_to_list (&exports, name);
|
add_to_list (&exports, name);
|
#endif
|
#endif
|
break;
|
break;
|
|
|
default: /* not a constructor or destructor */
|
default: /* not a constructor or destructor */
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* Explicitly export all global symbols when
|
/* Explicitly export all global symbols when
|
building a shared object on AIX, but do not
|
building a shared object on AIX, but do not
|
re-export symbols from another shared object
|
re-export symbols from another shared object
|
and do not export symbols if the user
|
and do not export symbols if the user
|
provides an explicit export list. */
|
provides an explicit export list. */
|
if (shared_obj && !is_shared
|
if (shared_obj && !is_shared
|
&& which_pass == PASS_OBJ && !export_flag)
|
&& which_pass == PASS_OBJ && !export_flag)
|
add_to_list (&exports, name);
|
add_to_list (&exports, name);
|
#endif
|
#endif
|
continue;
|
continue;
|
}
|
}
|
|
|
if (debug)
|
if (debug)
|
#if !defined(EXTENDED_COFF)
|
#if !defined(EXTENDED_COFF)
|
fprintf (stderr, "\tsec=%d class=%d type=%s%o %s\n",
|
fprintf (stderr, "\tsec=%d class=%d type=%s%o %s\n",
|
symbol.n_scnum, symbol.n_sclass,
|
symbol.n_scnum, symbol.n_sclass,
|
(symbol.n_type ? "0" : ""), symbol.n_type,
|
(symbol.n_type ? "0" : ""), symbol.n_type,
|
name);
|
name);
|
#else
|
#else
|
fprintf (stderr,
|
fprintf (stderr,
|
"\tiss = %5d, value = %5ld, index = %5d, name = %s\n",
|
"\tiss = %5d, value = %5ld, index = %5d, name = %s\n",
|
symbol.iss, (long) symbol.value, symbol.index, name);
|
symbol.iss, (long) symbol.value, symbol.index, name);
|
#endif
|
#endif
|
}
|
}
|
}
|
}
|
}
|
}
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
else
|
else
|
{
|
{
|
/* If archive contains both 32-bit and 64-bit objects,
|
/* If archive contains both 32-bit and 64-bit objects,
|
we want to skip objects in other mode so mismatch normal. */
|
we want to skip objects in other mode so mismatch normal. */
|
if (debug)
|
if (debug)
|
fprintf (stderr, "%s : magic=%o aix64=%d mismatch\n",
|
fprintf (stderr, "%s : magic=%o aix64=%d mismatch\n",
|
prog_name, HEADER (ldptr).f_magic, aix64_flag);
|
prog_name, HEADER (ldptr).f_magic, aix64_flag);
|
}
|
}
|
#endif
|
#endif
|
}
|
}
|
else
|
else
|
{
|
{
|
fatal ("%s: cannot open as COFF file", prog_name);
|
fatal ("%s: cannot open as COFF file", prog_name);
|
}
|
}
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* On AIX loop continues while there are more members in archive. */
|
/* On AIX loop continues while there are more members in archive. */
|
}
|
}
|
while (ldclose (ldptr) == FAILURE);
|
while (ldclose (ldptr) == FAILURE);
|
#else
|
#else
|
/* Otherwise we simply close ldptr. */
|
/* Otherwise we simply close ldptr. */
|
(void) ldclose(ldptr);
|
(void) ldclose(ldptr);
|
#endif
|
#endif
|
}
|
}
|
#endif /* OBJECT_FORMAT_COFF */
|
#endif /* OBJECT_FORMAT_COFF */
|
|
|
#ifdef COLLECT_EXPORT_LIST
|
#ifdef COLLECT_EXPORT_LIST
|
/* Given a library name without "lib" prefix, this function
|
/* Given a library name without "lib" prefix, this function
|
returns a full library name including a path. */
|
returns a full library name including a path. */
|
static char *
|
static char *
|
resolve_lib_name (const char *name)
|
resolve_lib_name (const char *name)
|
{
|
{
|
char *lib_buf;
|
char *lib_buf;
|
int i, j, l = 0;
|
int i, j, l = 0;
|
/* Library extensions for AIX dynamic linking. */
|
/* Library extensions for AIX dynamic linking. */
|
const char * const libexts[2] = {"a", "so"};
|
const char * const libexts[2] = {"a", "so"};
|
|
|
for (i = 0; libpaths[i]; i++)
|
for (i = 0; libpaths[i]; i++)
|
if (libpaths[i]->max_len > l)
|
if (libpaths[i]->max_len > l)
|
l = libpaths[i]->max_len;
|
l = libpaths[i]->max_len;
|
|
|
lib_buf = XNEWVEC (char, l + strlen(name) + 10);
|
lib_buf = XNEWVEC (char, l + strlen(name) + 10);
|
|
|
for (i = 0; libpaths[i]; i++)
|
for (i = 0; libpaths[i]; i++)
|
{
|
{
|
struct prefix_list *list = libpaths[i]->plist;
|
struct prefix_list *list = libpaths[i]->plist;
|
for (; list; list = list->next)
|
for (; list; list = list->next)
|
{
|
{
|
/* The following lines are needed because path_prefix list
|
/* The following lines are needed because path_prefix list
|
may contain directories both with trailing '/' and
|
may contain directories both with trailing '/' and
|
without it. */
|
without it. */
|
const char *p = "";
|
const char *p = "";
|
if (list->prefix[strlen(list->prefix)-1] != '/')
|
if (list->prefix[strlen(list->prefix)-1] != '/')
|
p = "/";
|
p = "/";
|
for (j = 0; j < 2; j++)
|
for (j = 0; j < 2; j++)
|
{
|
{
|
sprintf (lib_buf, "%s%slib%s.%s",
|
sprintf (lib_buf, "%s%slib%s.%s",
|
list->prefix, p, name,
|
list->prefix, p, name,
|
libexts[(j + aixrtl_flag) % 2]);
|
libexts[(j + aixrtl_flag) % 2]);
|
if (debug) fprintf (stderr, "searching for: %s\n", lib_buf);
|
if (debug) fprintf (stderr, "searching for: %s\n", lib_buf);
|
if (file_exists (lib_buf))
|
if (file_exists (lib_buf))
|
{
|
{
|
if (debug) fprintf (stderr, "found: %s\n", lib_buf);
|
if (debug) fprintf (stderr, "found: %s\n", lib_buf);
|
return (lib_buf);
|
return (lib_buf);
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
if (debug)
|
if (debug)
|
fprintf (stderr, "not found\n");
|
fprintf (stderr, "not found\n");
|
else
|
else
|
fatal ("library lib%s not found", name);
|
fatal ("library lib%s not found", name);
|
return (NULL);
|
return (NULL);
|
}
|
}
|
#endif /* COLLECT_EXPORT_LIST */
|
#endif /* COLLECT_EXPORT_LIST */
|
|
|
