| Line 1... |
Line 1... |
/* Mach-O support for BFD.
|
/* Mach-O support for BFD.
|
Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
|
Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
|
2009, 2010, 2011
|
2009, 2010, 2011, 2012
|
Free Software Foundation, Inc.
|
Free Software Foundation, Inc.
|
|
|
This file is part of BFD, the Binary File Descriptor library.
|
This file is part of BFD, the Binary File Descriptor library.
|
|
|
This program is free software; you can redistribute it and/or modify
|
This program is free software; you can redistribute it and/or modify
|
| Line 27... |
Line 27... |
#include "libiberty.h"
|
#include "libiberty.h"
|
#include "aout/stab_gnu.h"
|
#include "aout/stab_gnu.h"
|
#include "mach-o/reloc.h"
|
#include "mach-o/reloc.h"
|
#include "mach-o/external.h"
|
#include "mach-o/external.h"
|
#include <ctype.h>
|
#include <ctype.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
#define bfd_mach_o_object_p bfd_mach_o_gen_object_p
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#define bfd_mach_o_object_p bfd_mach_o_gen_object_p
|
#define bfd_mach_o_core_p bfd_mach_o_gen_core_p
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#define bfd_mach_o_core_p bfd_mach_o_gen_core_p
|
#define bfd_mach_o_mkobject bfd_mach_o_gen_mkobject
|
#define bfd_mach_o_mkobject bfd_mach_o_gen_mkobject
|
|
|
#define FILE_ALIGN(off, algn) \
|
#define FILE_ALIGN(off, algn) \
|
(((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1 << (algn)))
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(((off) + ((file_ptr) 1 << (algn)) - 1) & ((file_ptr) -1 << (algn)))
|
|
|
static int bfd_mach_o_read_symtab_symbols (bfd *);
|
|
|
|
unsigned int
|
unsigned int
|
bfd_mach_o_version (bfd *abfd)
|
bfd_mach_o_version (bfd *abfd)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = NULL;
|
bfd_mach_o_data_struct *mdata = NULL;
|
|
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| Line 87... |
Line 87... |
|
|
/* Tables to translate well known Mach-O segment/section names to bfd
|
/* Tables to translate well known Mach-O segment/section names to bfd
|
names. Use of canonical names (such as .text or .debug_frame) is required
|
names. Use of canonical names (such as .text or .debug_frame) is required
|
by gdb. */
|
by gdb. */
|
|
|
struct mach_o_section_name_xlat
|
/* __TEXT Segment. */
|
{
|
static const mach_o_section_name_xlat text_section_names_xlat[] =
|
const char *bfd_name;
|
|
const char *mach_o_name;
|
|
flagword flags;
|
|
};
|
|
|
|
static const struct mach_o_section_name_xlat dwarf_section_names_xlat[] =
|
|
{
|
{
|
{ ".debug_frame", "__debug_frame", SEC_DEBUGGING },
|
{ ".text", "__text",
|
{ ".debug_info", "__debug_info", SEC_DEBUGGING },
|
SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
{ ".debug_abbrev", "__debug_abbrev", SEC_DEBUGGING },
|
BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS, 0},
|
{ ".debug_aranges", "__debug_aranges", SEC_DEBUGGING },
|
{ ".const", "__const",
|
{ ".debug_macinfo", "__debug_macinfo", SEC_DEBUGGING },
|
SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
{ ".debug_line", "__debug_line", SEC_DEBUGGING },
|
BFD_MACH_O_S_ATTR_NONE, 0},
|
{ ".debug_loc", "__debug_loc", SEC_DEBUGGING },
|
{ ".static_const", "__static_const",
|
{ ".debug_pubnames", "__debug_pubnames", SEC_DEBUGGING },
|
SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
{ ".debug_pubtypes", "__debug_pubtypes", SEC_DEBUGGING },
|
BFD_MACH_O_S_ATTR_NONE, 0},
|
{ ".debug_str", "__debug_str", SEC_DEBUGGING },
|
{ ".cstring", "__cstring",
|
{ ".debug_ranges", "__debug_ranges", SEC_DEBUGGING },
|
SEC_READONLY | SEC_DATA | SEC_LOAD | SEC_MERGE | SEC_STRINGS,
|
{ NULL, NULL, 0}
|
BFD_MACH_O_S_CSTRING_LITERALS,
|
|
BFD_MACH_O_S_ATTR_NONE, 0},
|
|
{ ".literal4", "__literal4",
|
|
SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_4BYTE_LITERALS,
|
|
BFD_MACH_O_S_ATTR_NONE, 2},
|
|
{ ".literal8", "__literal8",
|
|
SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_8BYTE_LITERALS,
|
|
BFD_MACH_O_S_ATTR_NONE, 3},
|
|
{ ".literal16", "__literal16",
|
|
SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_16BYTE_LITERALS,
|
|
BFD_MACH_O_S_ATTR_NONE, 4},
|
|
{ ".constructor", "__constructor",
|
|
SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NONE, 0},
|
|
{ ".destructor", "__destructor",
|
|
SEC_CODE | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NONE, 0},
|
|
{ ".eh_frame", "__eh_frame",
|
|
SEC_READONLY | SEC_DATA | SEC_LOAD, BFD_MACH_O_S_COALESCED,
|
|
BFD_MACH_O_S_ATTR_LIVE_SUPPORT
|
|
| BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS
|
|
| BFD_MACH_O_S_ATTR_NO_TOC, 2},
|
|
{ NULL, NULL, 0, 0, 0, 0}
|
};
|
};
|
|
|
static const struct mach_o_section_name_xlat text_section_names_xlat[] =
|
/* __DATA Segment. */
|
|
static const mach_o_section_name_xlat data_section_names_xlat[] =
|
{
|
{
|
{ ".text", "__text", SEC_CODE | SEC_LOAD },
|
{ ".data", "__data",
|
{ ".const", "__const", SEC_READONLY | SEC_DATA | SEC_LOAD },
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
{ ".cstring", "__cstring", SEC_READONLY | SEC_DATA | SEC_LOAD },
|
BFD_MACH_O_S_ATTR_NONE, 0},
|
{ ".eh_frame", "__eh_frame", SEC_READONLY | SEC_LOAD },
|
{ ".bss", "__bss",
|
{ NULL, NULL, 0}
|
SEC_NO_FLAGS, BFD_MACH_O_S_ZEROFILL,
|
|
BFD_MACH_O_S_ATTR_NONE, 0},
|
|
{ ".const_data", "__const",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NONE, 0},
|
|
{ ".static_data", "__static_data",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NONE, 0},
|
|
{ ".mod_init_func", "__mod_init_func",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS,
|
|
BFD_MACH_O_S_ATTR_NONE, 2},
|
|
{ ".mod_term_func", "__mod_term_func",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS,
|
|
BFD_MACH_O_S_ATTR_NONE, 2},
|
|
{ ".dyld", "__dyld",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NONE, 0},
|
|
{ ".cfstring", "__cfstring",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NONE, 2},
|
|
{ NULL, NULL, 0, 0, 0, 0}
|
};
|
};
|
|
|
static const struct mach_o_section_name_xlat data_section_names_xlat[] =
|
/* __DWARF Segment. */
|
|
static const mach_o_section_name_xlat dwarf_section_names_xlat[] =
|
{
|
{
|
{ ".data", "__data", SEC_DATA | SEC_LOAD },
|
{ ".debug_frame", "__debug_frame",
|
{ ".const_data", "__const", SEC_DATA | SEC_LOAD },
|
SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
|
{ ".dyld", "__dyld", SEC_DATA | SEC_LOAD },
|
BFD_MACH_O_S_ATTR_DEBUG, 0},
|
{ ".lazy_symbol_ptr", "__la_symbol_ptr", SEC_DATA | SEC_LOAD },
|
{ ".debug_info", "__debug_info",
|
{ ".non_lazy_symbol_ptr", "__nl_symbol_ptr", SEC_DATA | SEC_LOAD },
|
SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
|
{ ".bss", "__bss", SEC_NO_FLAGS },
|
BFD_MACH_O_S_ATTR_DEBUG, 0},
|
{ NULL, NULL, 0}
|
{ ".debug_abbrev", "__debug_abbrev",
|
|
SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_DEBUG, 0},
|
|
{ ".debug_aranges", "__debug_aranges",
|
|
SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_DEBUG, 0},
|
|
{ ".debug_macinfo", "__debug_macinfo",
|
|
SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_DEBUG, 0},
|
|
{ ".debug_line", "__debug_line",
|
|
SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_DEBUG, 0},
|
|
{ ".debug_loc", "__debug_loc",
|
|
SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_DEBUG, 0},
|
|
{ ".debug_pubnames", "__debug_pubnames",
|
|
SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_DEBUG, 0},
|
|
{ ".debug_pubtypes", "__debug_pubtypes",
|
|
SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_DEBUG, 0},
|
|
{ ".debug_str", "__debug_str",
|
|
SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_DEBUG, 0},
|
|
{ ".debug_ranges", "__debug_ranges",
|
|
SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_DEBUG, 0},
|
|
{ ".debug_macro", "__debug_macro",
|
|
SEC_DEBUGGING, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_DEBUG, 0},
|
|
{ NULL, NULL, 0, 0, 0, 0}
|
};
|
};
|
|
|
struct mach_o_segment_name_xlat
|
/* __OBJC Segment. */
|
|
static const mach_o_section_name_xlat objc_section_names_xlat[] =
|
{
|
{
|
/* Segment name. */
|
{ ".objc_class", "__class",
|
const char *segname;
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
/* List of known sections for the segment. */
|
{ ".objc_meta_class", "__meta_class",
|
const struct mach_o_section_name_xlat *sections;
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_cat_cls_meth", "__cat_cls_meth",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_cat_inst_meth", "__cat_inst_meth",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_protocol", "__protocol",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_string_object", "__string_object",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_cls_meth", "__cls_meth",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_inst_meth", "__inst_meth",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_cls_refs", "__cls_refs",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LITERAL_POINTERS,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_message_refs", "__message_refs",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_LITERAL_POINTERS,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_symbols", "__symbols",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_category", "__category",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_class_vars", "__class_vars",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_instance_vars", "__instance_vars",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_module_info", "__module_info",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_selector_strs", "__selector_strs",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_CSTRING_LITERALS,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_image_info", "__image_info",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc_selector_fixup", "__sel_fixup",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
/* Objc V1 */
|
|
{ ".objc1_class_ext", "__class_ext",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc1_property_list", "__property",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ ".objc1_protocol_ext", "__protocol_ext",
|
|
SEC_DATA | SEC_LOAD, BFD_MACH_O_S_REGULAR,
|
|
BFD_MACH_O_S_ATTR_NO_DEAD_STRIP, 0},
|
|
{ NULL, NULL, 0, 0, 0, 0}
|
};
|
};
|
|
|
/* List of known segment names. */
|
static const mach_o_segment_name_xlat segsec_names_xlat[] =
|
|
|
static const struct mach_o_segment_name_xlat segsec_names_xlat[] =
|
|
{
|
{
|
{ "__TEXT", text_section_names_xlat },
|
{ "__TEXT", text_section_names_xlat },
|
{ "__DATA", data_section_names_xlat },
|
{ "__DATA", data_section_names_xlat },
|
{ "__DWARF", dwarf_section_names_xlat },
|
{ "__DWARF", dwarf_section_names_xlat },
|
|
{ "__OBJC", objc_section_names_xlat },
|
{ NULL, NULL }
|
{ NULL, NULL }
|
};
|
};
|
|
|
/* Mach-O to bfd names. */
|
static const char dsym_subdir[] = ".dSYM/Contents/Resources/DWARF";
|
|
|
void
|
/* For both cases bfd-name => mach-o name and vice versa, the specific target
|
bfd_mach_o_normalize_section_name (const char *segname, const char *sectname,
|
is checked before the generic. This allows a target (e.g. ppc for cstring)
|
const char **name, flagword *flags)
|
to override the generic definition with a more specific one. */
|
|
|
|
/* Fetch the translation from a Mach-O section designation (segment, section)
|
|
as a bfd short name, if one exists. Otherwise return NULL.
|
|
|
|
Allow the segment and section names to be unterminated 16 byte arrays. */
|
|
|
|
const mach_o_section_name_xlat *
|
|
bfd_mach_o_section_data_for_mach_sect (bfd *abfd, const char *segname,
|
|
const char *sectname)
|
{
|
{
|
const struct mach_o_segment_name_xlat *seg;
|
const struct mach_o_segment_name_xlat *seg;
|
|
const mach_o_section_name_xlat *sec;
|
|
bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
|
|
|
*name = NULL;
|
/* First try any target-specific translations defined... */
|
*flags = SEC_NO_FLAGS;
|
if (bed->segsec_names_xlat)
|
|
for (seg = bed->segsec_names_xlat; seg->segname; seg++)
|
|
if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0)
|
|
for (sec = seg->sections; sec->mach_o_name; sec++)
|
|
if (strncmp (sec->mach_o_name, sectname,
|
|
BFD_MACH_O_SECTNAME_SIZE) == 0)
|
|
return sec;
|
|
|
|
/* ... and then the Mach-O generic ones. */
|
for (seg = segsec_names_xlat; seg->segname; seg++)
|
for (seg = segsec_names_xlat; seg->segname; seg++)
|
{
|
|
if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0)
|
if (strncmp (seg->segname, segname, BFD_MACH_O_SEGNAME_SIZE) == 0)
|
{
|
|
const struct mach_o_section_name_xlat *sec;
|
|
|
|
for (sec = seg->sections; sec->mach_o_name; sec++)
|
for (sec = seg->sections; sec->mach_o_name; sec++)
|
{
|
|
if (strncmp (sec->mach_o_name, sectname,
|
if (strncmp (sec->mach_o_name, sectname,
|
BFD_MACH_O_SECTNAME_SIZE) == 0)
|
BFD_MACH_O_SECTNAME_SIZE) == 0)
|
{
|
return sec;
|
*name = sec->bfd_name;
|
|
*flags = sec->flags;
|
return NULL;
|
return;
|
|
}
|
|
}
|
}
|
return;
|
|
|
/* If the bfd_name for this section is a 'canonical' form for which we
|
|
know the Mach-O data, return the segment name and the data for the
|
|
Mach-O equivalent. Otherwise return NULL. */
|
|
|
|
const mach_o_section_name_xlat *
|
|
bfd_mach_o_section_data_for_bfd_name (bfd *abfd, const char *bfd_name,
|
|
const char **segname)
|
|
{
|
|
const struct mach_o_segment_name_xlat *seg;
|
|
const mach_o_section_name_xlat *sec;
|
|
bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
|
|
*segname = NULL;
|
|
|
|
if (bfd_name[0] != '.')
|
|
return NULL;
|
|
|
|
/* First try any target-specific translations defined... */
|
|
if (bed->segsec_names_xlat)
|
|
for (seg = bed->segsec_names_xlat; seg->segname; seg++)
|
|
for (sec = seg->sections; sec->bfd_name; sec++)
|
|
if (strcmp (bfd_name, sec->bfd_name) == 0)
|
|
{
|
|
*segname = seg->segname;
|
|
return sec;
|
}
|
}
|
|
|
|
/* ... and then the Mach-O generic ones. */
|
|
for (seg = segsec_names_xlat; seg->segname; seg++)
|
|
for (sec = seg->sections; sec->bfd_name; sec++)
|
|
if (strcmp (bfd_name, sec->bfd_name) == 0)
|
|
{
|
|
*segname = seg->segname;
|
|
return sec;
|
}
|
}
|
|
|
|
return NULL;
|
}
|
}
|
|
|
/* Convert Mach-O section name to BFD. Try to use standard names, otherwise
|
/* Convert Mach-O section name to BFD.
|
forge a new name. SEGNAME and SECTNAME are 16 bytes strings. */
|
|
|
|
static void
|
Try to use standard/canonical names, for which we have tables including
|
bfd_mach_o_convert_section_name_to_bfd
|
default flag settings - which are returned. Otherwise forge a new name
|
(bfd *abfd, const char *segname, const char *sectname,
|
in the form "<segmentname>.<sectionname>" this will be prefixed with
|
const char **name, flagword *flags)
|
LC_SEGMENT. if the segment name does not begin with an underscore.
|
|
|
|
SEGNAME and SECTNAME are 16 byte arrays (they do not need to be NUL-
|
|
terminated if the name length is exactly 16 bytes - but must be if the name
|
|
length is less than 16 characters). */
|
|
|
|
void
|
|
bfd_mach_o_convert_section_name_to_bfd (bfd *abfd, const char *segname,
|
|
const char *secname, const char **name,
|
|
flagword *flags)
|
{
|
{
|
|
const mach_o_section_name_xlat *xlat;
|
char *res;
|
char *res;
|
unsigned int len;
|
unsigned int len;
|
const char *pfx = "";
|
const char *pfx = "";
|
|
|
/* First search for a canonical name. */
|
*name = NULL;
|
bfd_mach_o_normalize_section_name (segname, sectname, name, flags);
|
*flags = SEC_NO_FLAGS;
|
|
|
/* Return now if found. */
|
/* First search for a canonical name...
|
if (*name)
|
xlat will be non-null if there is an entry for segname, secname. */
|
|
xlat = bfd_mach_o_section_data_for_mach_sect (abfd, segname, secname);
|
|
if (xlat)
|
|
{
|
|
len = strlen (xlat->bfd_name);
|
|
res = bfd_alloc (abfd, len+1);
|
|
if (res == NULL)
|
|
return;
|
|
memcpy (res, xlat->bfd_name, len+1);
|
|
*name = res;
|
|
*flags = xlat->bfd_flags;
|
return;
|
return;
|
|
}
|
|
|
|
/* ... else we make up a bfd name from the segment concatenated with the
|
|
section. */
|
|
|
len = 16 + 1 + 16 + 1;
|
len = 16 + 1 + 16 + 1;
|
|
|
/* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start
|
/* Put "LC_SEGMENT." prefix if the segment name is weird (ie doesn't start
|
with an underscore. */
|
with an underscore. */
|
| Line 215... |
Line 411... |
}
|
}
|
|
|
res = bfd_alloc (abfd, len);
|
res = bfd_alloc (abfd, len);
|
if (res == NULL)
|
if (res == NULL)
|
return;
|
return;
|
snprintf (res, len, "%s%.16s.%.16s", pfx, segname, sectname);
|
snprintf (res, len, "%s%.16s.%.16s", pfx, segname, secname);
|
*name = res;
|
*name = res;
|
*flags = SEC_NO_FLAGS;
|
|
}
|
}
|
|
|
/* Convert a bfd section name to a Mach-O segment + section name. */
|
/* Convert a bfd section name to a Mach-O segment + section name.
|
|
|
static void
|
If the name is a canonical one for which we have a Darwin match
|
|
return the translation table - which contains defaults for flags,
|
|
type, attribute and default alignment data.
|
|
|
|
Otherwise, expand the bfd_name (assumed to be in the form
|
|
"[LC_SEGMENT.]<segmentname>.<sectionname>") and return NULL. */
|
|
|
|
static const mach_o_section_name_xlat *
|
bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED,
|
bfd_mach_o_convert_section_name_to_mach_o (bfd *abfd ATTRIBUTE_UNUSED,
|
asection *sect,
|
asection *sect,
|
bfd_mach_o_section *section)
|
bfd_mach_o_section *section)
|
{
|
{
|
const struct mach_o_segment_name_xlat *seg;
|
const mach_o_section_name_xlat *xlat;
|
const char *name = bfd_get_section_name (abfd, sect);
|
const char *name = bfd_get_section_name (abfd, sect);
|
|
const char *segname;
|
const char *dot;
|
const char *dot;
|
unsigned int len;
|
unsigned int len;
|
unsigned int seglen;
|
unsigned int seglen;
|
unsigned int seclen;
|
unsigned int seclen;
|
|
|
/* List of well known names. They all start with a dot. */
|
memset (section->segname, 0, BFD_MACH_O_SEGNAME_SIZE + 1);
|
if (name[0] == '.')
|
memset (section->sectname, 0, BFD_MACH_O_SECTNAME_SIZE + 1);
|
for (seg = segsec_names_xlat; seg->segname; seg++)
|
|
{
|
|
const struct mach_o_section_name_xlat *sec;
|
|
|
|
for (sec = seg->sections; sec->mach_o_name; sec++)
|
/* See if is a canonical name ... */
|
{
|
xlat = bfd_mach_o_section_data_for_bfd_name (abfd, name, &segname);
|
if (strcmp (sec->bfd_name, name) == 0)
|
if (xlat)
|
{
|
{
|
strcpy (section->segname, seg->segname);
|
strcpy (section->segname, segname);
|
strcpy (section->sectname, sec->mach_o_name);
|
strcpy (section->sectname, xlat->mach_o_name);
|
return;
|
return xlat;
|
}
|
|
}
|
|
}
|
}
|
|
|
/* Strip LC_SEGMENT. prefix. */
|
/* .. else we convert our constructed one back to Mach-O.
|
|
Strip LC_SEGMENT. prefix, if present. */
|
if (strncmp (name, "LC_SEGMENT.", 11) == 0)
|
if (strncmp (name, "LC_SEGMENT.", 11) == 0)
|
name += 11;
|
name += 11;
|
|
|
/* Find a dot. */
|
/* Find a dot. */
|
dot = strchr (name, '.');
|
dot = strchr (name, '.');
|
| Line 271... |
Line 470... |
{
|
{
|
memcpy (section->segname, name, seglen);
|
memcpy (section->segname, name, seglen);
|
section->segname[seglen] = 0;
|
section->segname[seglen] = 0;
|
memcpy (section->sectname, dot + 1, seclen);
|
memcpy (section->sectname, dot + 1, seclen);
|
section->sectname[seclen] = 0;
|
section->sectname[seclen] = 0;
|
return;
|
return NULL;
|
}
|
}
|
}
|
}
|
|
|
|
/* The segment and section names are both missing - don't make them
|
|
into dots. */
|
|
if (dot && dot == name)
|
|
return NULL;
|
|
|
|
/* Just duplicate the name into both segment and section. */
|
if (len > 16)
|
if (len > 16)
|
len = 16;
|
len = 16;
|
memcpy (section->segname, name, len);
|
memcpy (section->segname, name, len);
|
section->segname[len] = 0;
|
section->segname[len] = 0;
|
memcpy (section->sectname, name, len);
|
memcpy (section->sectname, name, len);
|
section->sectname[len] = 0;
|
section->sectname[len] = 0;
|
|
return NULL;
|
}
|
}
|
|
|
/* Return the size of an entry for section SEC.
|
/* Return the size of an entry for section SEC.
|
Must be called only for symbol pointer section and symbol stubs
|
Must be called only for symbol pointer section and symbol stubs
|
sections. */
|
sections. */
|
|
|
static unsigned int
|
unsigned int
|
bfd_mach_o_section_get_entry_size (bfd *abfd, bfd_mach_o_section *sec)
|
bfd_mach_o_section_get_entry_size (bfd *abfd, bfd_mach_o_section *sec)
|
{
|
{
|
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
{
|
{
|
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
|
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
|
| Line 307... |
Line 513... |
|
|
/* Return the number of indirect symbols for a section.
|
/* Return the number of indirect symbols for a section.
|
Must be called only for symbol pointer section and symbol stubs
|
Must be called only for symbol pointer section and symbol stubs
|
sections. */
|
sections. */
|
|
|
static unsigned int
|
unsigned int
|
bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec)
|
bfd_mach_o_section_get_nbr_indirect (bfd *abfd, bfd_mach_o_section *sec)
|
{
|
{
|
unsigned int elsz;
|
unsigned int elsz;
|
|
|
elsz = bfd_mach_o_section_get_entry_size (abfd, sec);
|
elsz = bfd_mach_o_section_get_entry_size (abfd, sec);
|
| Line 325... |
Line 531... |
/* Copy any private info we understand from the input symbol
|
/* Copy any private info we understand from the input symbol
|
to the output symbol. */
|
to the output symbol. */
|
|
|
bfd_boolean
|
bfd_boolean
|
bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED,
|
bfd_mach_o_bfd_copy_private_symbol_data (bfd *ibfd ATTRIBUTE_UNUSED,
|
asymbol *isymbol ATTRIBUTE_UNUSED,
|
asymbol *isymbol,
|
bfd *obfd ATTRIBUTE_UNUSED,
|
bfd *obfd ATTRIBUTE_UNUSED,
|
asymbol *osymbol ATTRIBUTE_UNUSED)
|
asymbol *osymbol)
|
{
|
{
|
|
bfd_mach_o_asymbol *os, *is;
|
|
os = (bfd_mach_o_asymbol *)osymbol;
|
|
is = (bfd_mach_o_asymbol *)isymbol;
|
|
os->n_type = is->n_type;
|
|
os->n_sect = is->n_sect;
|
|
os->n_desc = is->n_desc;
|
|
os->symbol.udata.i = is->symbol.udata.i;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Copy any private info we understand from the input section
|
/* Copy any private info we understand from the input section
|
to the output section. */
|
to the output section. */
|
|
|
bfd_boolean
|
bfd_boolean
|
bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
|
bfd_mach_o_bfd_copy_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
|
asection *isection ATTRIBUTE_UNUSED,
|
asection *isection,
|
bfd *obfd ATTRIBUTE_UNUSED,
|
bfd *obfd ATTRIBUTE_UNUSED,
|
asection *osection ATTRIBUTE_UNUSED)
|
asection *osection)
|
{
|
{
|
|
if (osection->used_by_bfd == NULL)
|
|
osection->used_by_bfd = isection->used_by_bfd;
|
|
else
|
|
if (isection->used_by_bfd != NULL)
|
|
memcpy (osection->used_by_bfd, isection->used_by_bfd,
|
|
sizeof (bfd_mach_o_section));
|
|
|
|
if (osection->used_by_bfd != NULL)
|
|
((bfd_mach_o_section *)osection->used_by_bfd)->bfdsection = osection;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Copy any private info we understand from the input bfd
|
/* Copy any private info we understand from the input bfd
|
to the output bfd. */
|
to the output bfd. */
|
| Line 362... |
Line 585... |
/* FIXME: copy commands. */
|
/* FIXME: copy commands. */
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
|
/* This allows us to set up to 32 bits of flags (unless we invent some
|
|
fiendish scheme to subdivide). For now, we'll just set the file flags
|
|
without error checking - just overwrite. */
|
|
|
|
bfd_boolean
|
|
bfd_mach_o_bfd_set_private_flags (bfd *abfd, flagword flags)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
|
|
if (!mdata)
|
|
return FALSE;
|
|
|
|
mdata->header.flags = flags;
|
|
return TRUE;
|
|
}
|
|
|
/* Count the total number of symbols. */
|
/* Count the total number of symbols. */
|
|
|
static long
|
static long
|
bfd_mach_o_count_symbols (bfd *abfd)
|
bfd_mach_o_count_symbols (bfd *abfd)
|
{
|
{
|
| Line 400... |
Line 639... |
/* Do not try to read symbols if there are none. */
|
/* Do not try to read symbols if there are none. */
|
alocation[0] = NULL;
|
alocation[0] = NULL;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
if (bfd_mach_o_read_symtab_symbols (abfd) != 0)
|
if (!bfd_mach_o_read_symtab_symbols (abfd))
|
{
|
{
|
(*_bfd_error_handler) (_("bfd_mach_o_canonicalize_symtab: unable to load symbols"));
|
(*_bfd_error_handler)
|
|
(_("bfd_mach_o_canonicalize_symtab: unable to load symbols"));
|
return 0;
|
return 0;
|
}
|
}
|
|
|
BFD_ASSERT (sym->symbols != NULL);
|
BFD_ASSERT (sym->symbols != NULL);
|
|
|
| Line 416... |
Line 656... |
alocation[j] = NULL;
|
alocation[j] = NULL;
|
|
|
return nsyms;
|
return nsyms;
|
}
|
}
|
|
|
|
/* Create synthetic symbols for indirect symbols. */
|
|
|
long
|
long
|
bfd_mach_o_get_synthetic_symtab (bfd *abfd,
|
bfd_mach_o_get_synthetic_symtab (bfd *abfd,
|
long symcount ATTRIBUTE_UNUSED,
|
long symcount ATTRIBUTE_UNUSED,
|
asymbol **syms ATTRIBUTE_UNUSED,
|
asymbol **syms ATTRIBUTE_UNUSED,
|
long dynsymcount ATTRIBUTE_UNUSED,
|
long dynsymcount ATTRIBUTE_UNUSED,
|
| Line 435... |
Line 677... |
char *names;
|
char *names;
|
char *nul_name;
|
char *nul_name;
|
|
|
*ret = NULL;
|
*ret = NULL;
|
|
|
|
/* Stop now if no symbols or no indirect symbols. */
|
if (dysymtab == NULL || symtab == NULL || symtab->symbols == NULL)
|
if (dysymtab == NULL || symtab == NULL || symtab->symbols == NULL)
|
return 0;
|
return 0;
|
|
|
if (dysymtab->nindirectsyms == 0)
|
if (dysymtab->nindirectsyms == 0)
|
return 0;
|
return 0;
|
|
|
|
/* We need to allocate a bfd symbol for every indirect symbol and to
|
|
allocate the memory for its name. */
|
count = dysymtab->nindirectsyms;
|
count = dysymtab->nindirectsyms;
|
size = count * sizeof (asymbol) + 1;
|
size = count * sizeof (asymbol) + 1;
|
|
|
for (j = 0; j < count; j++)
|
for (j = 0; j < count; j++)
|
{
|
{
|
unsigned int isym = dysymtab->indirect_syms[j];
|
unsigned int isym = dysymtab->indirect_syms[j];
|
|
|
|
/* Some indirect symbols are anonymous. */
|
if (isym < symtab->nsyms && symtab->symbols[isym].symbol.name)
|
if (isym < symtab->nsyms && symtab->symbols[isym].symbol.name)
|
size += strlen (symtab->symbols[isym].symbol.name) + sizeof ("$stub");
|
size += strlen (symtab->symbols[isym].symbol.name) + sizeof ("$stub");
|
}
|
}
|
|
|
s = *ret = (asymbol *) bfd_malloc (size);
|
s = *ret = (asymbol *) bfd_malloc (size);
|
| Line 472... |
Line 718... |
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
{
|
{
|
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
|
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
|
case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
|
case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
|
case BFD_MACH_O_S_SYMBOL_STUBS:
|
case BFD_MACH_O_S_SYMBOL_STUBS:
|
|
/* Only these sections have indirect symbols. */
|
first = sec->reserved1;
|
first = sec->reserved1;
|
last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
|
last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
|
addr = sec->addr;
|
addr = sec->addr;
|
entry_size = bfd_mach_o_section_get_entry_size (abfd, sec);
|
entry_size = bfd_mach_o_section_get_entry_size (abfd, sec);
|
for (j = first; j < last; j++)
|
for (j = first; j < last; j++)
|
| Line 545... |
Line 792... |
name = bfd_get_stab_name (asym->n_type);
|
name = bfd_get_stab_name (asym->n_type);
|
else
|
else
|
switch (asym->n_type & BFD_MACH_O_N_TYPE)
|
switch (asym->n_type & BFD_MACH_O_N_TYPE)
|
{
|
{
|
case BFD_MACH_O_N_UNDF:
|
case BFD_MACH_O_N_UNDF:
|
|
if (symbol->value == 0)
|
name = "UND";
|
name = "UND";
|
|
else
|
|
name = "COM";
|
break;
|
break;
|
case BFD_MACH_O_N_ABS:
|
case BFD_MACH_O_N_ABS:
|
name = "ABS";
|
name = "ABS";
|
break;
|
break;
|
case BFD_MACH_O_N_INDR:
|
case BFD_MACH_O_N_INDR:
|
| Line 569... |
Line 819... |
name = "";
|
name = "";
|
fprintf (file, " %02x %-6s %02x %04x",
|
fprintf (file, " %02x %-6s %02x %04x",
|
asym->n_type, name, asym->n_sect, asym->n_desc);
|
asym->n_type, name, asym->n_sect, asym->n_desc);
|
if ((asym->n_type & BFD_MACH_O_N_STAB) == 0
|
if ((asym->n_type & BFD_MACH_O_N_STAB) == 0
|
&& (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT)
|
&& (asym->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_SECT)
|
fprintf (file, " %-5s", symbol->section->name);
|
fprintf (file, " [%s]", symbol->section->name);
|
fprintf (file, " %s", symbol->name);
|
fprintf (file, " %s", symbol->name);
|
}
|
}
|
}
|
}
|
|
|
static void
|
static void
|
bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype,
|
bfd_mach_o_convert_architecture (bfd_mach_o_cpu_type mtype,
|
bfd_mach_o_cpu_subtype msubtype ATTRIBUTE_UNUSED,
|
bfd_mach_o_cpu_subtype msubtype,
|
enum bfd_architecture *type,
|
enum bfd_architecture *type,
|
unsigned long *subtype)
|
unsigned long *subtype)
|
{
|
{
|
*subtype = bfd_arch_unknown;
|
*subtype = bfd_arch_unknown;
|
|
|
switch (mtype)
|
switch (mtype)
|
{
|
{
|
case BFD_MACH_O_CPU_TYPE_VAX: *type = bfd_arch_vax; break;
|
case BFD_MACH_O_CPU_TYPE_VAX:
|
case BFD_MACH_O_CPU_TYPE_MC680x0: *type = bfd_arch_m68k; break;
|
*type = bfd_arch_vax;
|
|
break;
|
|
case BFD_MACH_O_CPU_TYPE_MC680x0:
|
|
*type = bfd_arch_m68k;
|
|
break;
|
case BFD_MACH_O_CPU_TYPE_I386:
|
case BFD_MACH_O_CPU_TYPE_I386:
|
*type = bfd_arch_i386;
|
*type = bfd_arch_i386;
|
*subtype = bfd_mach_i386_i386;
|
*subtype = bfd_mach_i386_i386;
|
break;
|
break;
|
case BFD_MACH_O_CPU_TYPE_X86_64:
|
case BFD_MACH_O_CPU_TYPE_X86_64:
|
*type = bfd_arch_i386;
|
*type = bfd_arch_i386;
|
*subtype = bfd_mach_x86_64;
|
*subtype = bfd_mach_x86_64;
|
break;
|
break;
|
case BFD_MACH_O_CPU_TYPE_MIPS: *type = bfd_arch_mips; break;
|
case BFD_MACH_O_CPU_TYPE_MIPS:
|
case BFD_MACH_O_CPU_TYPE_MC98000: *type = bfd_arch_m98k; break;
|
*type = bfd_arch_mips;
|
case BFD_MACH_O_CPU_TYPE_HPPA: *type = bfd_arch_hppa; break;
|
break;
|
case BFD_MACH_O_CPU_TYPE_ARM: *type = bfd_arch_arm; break;
|
case BFD_MACH_O_CPU_TYPE_MC98000:
|
case BFD_MACH_O_CPU_TYPE_MC88000: *type = bfd_arch_m88k; break;
|
*type = bfd_arch_m98k;
|
|
break;
|
|
case BFD_MACH_O_CPU_TYPE_HPPA:
|
|
*type = bfd_arch_hppa;
|
|
break;
|
|
case BFD_MACH_O_CPU_TYPE_ARM:
|
|
*type = bfd_arch_arm;
|
|
switch (msubtype)
|
|
{
|
|
case BFD_MACH_O_CPU_SUBTYPE_ARM_V4T:
|
|
*subtype = bfd_mach_arm_4T;
|
|
break;
|
|
case BFD_MACH_O_CPU_SUBTYPE_ARM_V6:
|
|
*subtype = bfd_mach_arm_4T; /* Best fit ? */
|
|
break;
|
|
case BFD_MACH_O_CPU_SUBTYPE_ARM_V5TEJ:
|
|
*subtype = bfd_mach_arm_5TE;
|
|
break;
|
|
case BFD_MACH_O_CPU_SUBTYPE_ARM_XSCALE:
|
|
*subtype = bfd_mach_arm_XScale;
|
|
break;
|
|
case BFD_MACH_O_CPU_SUBTYPE_ARM_V7:
|
|
*subtype = bfd_mach_arm_5TE; /* Best fit ? */
|
|
break;
|
|
case BFD_MACH_O_CPU_SUBTYPE_ARM_ALL:
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
case BFD_MACH_O_CPU_TYPE_MC88000:
|
|
*type = bfd_arch_m88k;
|
|
break;
|
case BFD_MACH_O_CPU_TYPE_SPARC:
|
case BFD_MACH_O_CPU_TYPE_SPARC:
|
*type = bfd_arch_sparc;
|
*type = bfd_arch_sparc;
|
*subtype = bfd_mach_sparc;
|
*subtype = bfd_mach_sparc;
|
break;
|
break;
|
case BFD_MACH_O_CPU_TYPE_I860: *type = bfd_arch_i860; break;
|
case BFD_MACH_O_CPU_TYPE_I860:
|
case BFD_MACH_O_CPU_TYPE_ALPHA: *type = bfd_arch_alpha; break;
|
*type = bfd_arch_i860;
|
|
break;
|
|
case BFD_MACH_O_CPU_TYPE_ALPHA:
|
|
*type = bfd_arch_alpha;
|
|
break;
|
case BFD_MACH_O_CPU_TYPE_POWERPC:
|
case BFD_MACH_O_CPU_TYPE_POWERPC:
|
*type = bfd_arch_powerpc;
|
*type = bfd_arch_powerpc;
|
*subtype = bfd_mach_ppc;
|
*subtype = bfd_mach_ppc;
|
break;
|
break;
|
case BFD_MACH_O_CPU_TYPE_POWERPC_64:
|
case BFD_MACH_O_CPU_TYPE_POWERPC_64:
|
| Line 684... |
Line 973... |
asection *asect)
|
asection *asect)
|
{
|
{
|
return (asect->reloc_count + 1) * sizeof (arelent *);
|
return (asect->reloc_count + 1) * sizeof (arelent *);
|
}
|
}
|
|
|
|
/* In addition to the need to byte-swap the symbol number, the bit positions
|
|
of the fields in the relocation information vary per target endian-ness. */
|
|
|
|
static void
|
|
bfd_mach_o_swap_in_non_scattered_reloc (bfd *abfd, bfd_mach_o_reloc_info *rel,
|
|
unsigned char *fields)
|
|
{
|
|
unsigned char info = fields[3];
|
|
|
|
if (bfd_big_endian (abfd))
|
|
{
|
|
rel->r_value = (fields[0] << 16) | (fields[1] << 8) | fields[2];
|
|
rel->r_type = (info >> BFD_MACH_O_BE_TYPE_SHIFT) & BFD_MACH_O_TYPE_MASK;
|
|
rel->r_pcrel = (info & BFD_MACH_O_BE_PCREL) ? 1 : 0;
|
|
rel->r_length = (info >> BFD_MACH_O_BE_LENGTH_SHIFT)
|
|
& BFD_MACH_O_LENGTH_MASK;
|
|
rel->r_extern = (info & BFD_MACH_O_BE_EXTERN) ? 1 : 0;
|
|
}
|
|
else
|
|
{
|
|
rel->r_value = (fields[2] << 16) | (fields[1] << 8) | fields[0];
|
|
rel->r_type = (info >> BFD_MACH_O_LE_TYPE_SHIFT) & BFD_MACH_O_TYPE_MASK;
|
|
rel->r_pcrel = (info & BFD_MACH_O_LE_PCREL) ? 1 : 0;
|
|
rel->r_length = (info >> BFD_MACH_O_LE_LENGTH_SHIFT)
|
|
& BFD_MACH_O_LENGTH_MASK;
|
|
rel->r_extern = (info & BFD_MACH_O_LE_EXTERN) ? 1 : 0;
|
|
}
|
|
}
|
|
|
static int
|
static int
|
bfd_mach_o_canonicalize_one_reloc (bfd *abfd,
|
bfd_mach_o_canonicalize_one_reloc (bfd *abfd,
|
struct mach_o_reloc_info_external *raw,
|
struct mach_o_reloc_info_external *raw,
|
arelent *res, asymbol **syms)
|
arelent *res, asymbol **syms)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
|
bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
|
bfd_mach_o_reloc_info reloc;
|
bfd_mach_o_reloc_info reloc;
|
bfd_vma addr;
|
bfd_vma addr;
|
bfd_vma symnum;
|
|
asymbol **sym;
|
asymbol **sym;
|
|
|
addr = bfd_get_32 (abfd, raw->r_address);
|
addr = bfd_get_32 (abfd, raw->r_address);
|
symnum = bfd_get_32 (abfd, raw->r_symbolnum);
|
res->sym_ptr_ptr = NULL;
|
|
res->addend = 0;
|
|
|
if (addr & BFD_MACH_O_SR_SCATTERED)
|
if (addr & BFD_MACH_O_SR_SCATTERED)
|
{
|
{
|
unsigned int j;
|
unsigned int j;
|
|
bfd_vma symnum = bfd_get_32 (abfd, raw->r_symbolnum);
|
|
|
/* Scattered relocation.
|
/* Scattered relocation, can't be extern. */
|
Extract section and offset from r_value. */
|
reloc.r_scattered = 1;
|
res->sym_ptr_ptr = NULL;
|
reloc.r_extern = 0;
|
res->addend = 0;
|
|
|
/* Extract section and offset from r_value (symnum). */
|
|
reloc.r_value = symnum;
|
|
/* FIXME: This breaks when a symbol in a reloc exactly follows the
|
|
end of the data for the section (e.g. in a calculation of section
|
|
data length). At present, the symbol will end up associated with
|
|
the following section or, if it falls within alignment padding, as
|
|
null - which will assert later. */
|
for (j = 0; j < mdata->nsects; j++)
|
for (j = 0; j < mdata->nsects; j++)
|
{
|
{
|
bfd_mach_o_section *sect = mdata->sections[j];
|
bfd_mach_o_section *sect = mdata->sections[j];
|
if (symnum >= sect->addr && symnum < sect->addr + sect->size)
|
if (symnum >= sect->addr && symnum < sect->addr + sect->size)
|
{
|
{
|
res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr;
|
res->sym_ptr_ptr = sect->bfdsection->symbol_ptr_ptr;
|
res->addend = symnum - sect->addr;
|
res->addend = symnum - sect->addr;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
res->address = BFD_MACH_O_GET_SR_ADDRESS (addr);
|
|
|
/* Extract the info and address fields from r_address. */
|
reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr);
|
reloc.r_type = BFD_MACH_O_GET_SR_TYPE (addr);
|
reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr);
|
reloc.r_length = BFD_MACH_O_GET_SR_LENGTH (addr);
|
reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL;
|
reloc.r_pcrel = addr & BFD_MACH_O_SR_PCREL;
|
reloc.r_scattered = 1;
|
reloc.r_address = BFD_MACH_O_GET_SR_TYPE (addr);
|
|
res->address = BFD_MACH_O_GET_SR_ADDRESS (addr);
|
}
|
}
|
else
|
else
|
{
|
{
|
unsigned int num = BFD_MACH_O_GET_R_SYMBOLNUM (symnum);
|
unsigned int num;
|
res->addend = 0;
|
|
res->address = addr;
|
/* Non-scattered relocation. */
|
if (symnum & BFD_MACH_O_R_EXTERN)
|
reloc.r_scattered = 0;
|
{
|
|
|
/* The value and info fields have to be extracted dependent on target
|
|
endian-ness. */
|
|
bfd_mach_o_swap_in_non_scattered_reloc (abfd, &reloc, raw->r_symbolnum);
|
|
num = reloc.r_value;
|
|
|
|
if (reloc.r_extern)
|
sym = syms + num;
|
sym = syms + num;
|
reloc.r_extern = 1;
|
else if (reloc.r_scattered
|
}
|
|| (reloc.r_type != BFD_MACH_O_GENERIC_RELOC_PAIR))
|
else
|
|
{
|
{
|
BFD_ASSERT (num != 0);
|
BFD_ASSERT (num != 0);
|
BFD_ASSERT (num <= mdata->nsects);
|
BFD_ASSERT (num <= mdata->nsects);
|
sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr;
|
sym = mdata->sections[num - 1]->bfdsection->symbol_ptr_ptr;
|
/* For a symbol defined in section S, the addend (stored in the
|
/* For a symbol defined in section S, the addend (stored in the
|
binary) contains the address of the section. To comply with
|
binary) contains the address of the section. To comply with
|
bfd conventio, substract the section address.
|
bfd convention, subtract the section address.
|
Use the address from the header, so that the user can modify
|
Use the address from the header, so that the user can modify
|
the vma of the section. */
|
the vma of the section. */
|
res->addend = -mdata->sections[num - 1]->addr;
|
res->addend = -mdata->sections[num - 1]->addr;
|
reloc.r_extern = 0;
|
}
|
|
else /* ... The 'symnum' in a non-scattered PAIR will be 0x00ffffff. */
|
|
{
|
|
/* Pairs for PPC LO/HI/HA are not scattered, but contain the offset
|
|
in the lower 16bits of the address value. So we have to find the
|
|
'symbol' from the preceding reloc. We do this even thoough the
|
|
section symbol is probably not needed here, because NULL symbol
|
|
values cause an assert in generic BFD code. */
|
|
sym = (res - 1)->sym_ptr_ptr;
|
}
|
}
|
res->sym_ptr_ptr = sym;
|
res->sym_ptr_ptr = sym;
|
reloc.r_type = BFD_MACH_O_GET_R_TYPE (symnum);
|
|
reloc.r_length = BFD_MACH_O_GET_R_LENGTH (symnum);
|
/* The 'address' is just r_address.
|
reloc.r_pcrel = (symnum & BFD_MACH_O_R_PCREL) ? 1 : 0;
|
??? maybe this should be masked with 0xffffff for safety. */
|
reloc.r_scattered = 0;
|
res->address = addr;
|
|
reloc.r_address = addr;
|
}
|
}
|
|
|
|
/* We have set up a reloc with all the information present, so the swapper can
|
|
modify address, value and addend fields, if necessary, to convey information
|
|
in the generic BFD reloc that is mach-o specific. */
|
|
|
if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc))
|
if (!(*bed->_bfd_mach_o_swap_reloc_in)(res, &reloc))
|
return -1;
|
return -1;
|
return 0;
|
return 0;
|
}
|
}
|
|
|
| Line 806... |
Line 1152... |
|
|
/* No need to go further if we don't know how to read relocs. */
|
/* No need to go further if we don't know how to read relocs. */
|
if (bed->_bfd_mach_o_swap_reloc_in == NULL)
|
if (bed->_bfd_mach_o_swap_reloc_in == NULL)
|
return 0;
|
return 0;
|
|
|
|
if (asect->relocation == NULL)
|
|
{
|
res = bfd_malloc (asect->reloc_count * sizeof (arelent));
|
res = bfd_malloc (asect->reloc_count * sizeof (arelent));
|
if (res == NULL)
|
if (res == NULL)
|
return -1;
|
return -1;
|
|
|
if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos,
|
if (bfd_mach_o_canonicalize_relocs (abfd, asect->rel_filepos,
|
asect->reloc_count, res, syms) < 0)
|
asect->reloc_count, res, syms) < 0)
|
{
|
{
|
free (res);
|
free (res);
|
return -1;
|
return -1;
|
}
|
}
|
|
asect->relocation = res;
|
|
}
|
|
|
|
res = asect->relocation;
|
for (i = 0; i < asect->reloc_count; i++)
|
for (i = 0; i < asect->reloc_count; i++)
|
rels[i] = &res[i];
|
rels[i] = &res[i];
|
rels[i] = NULL;
|
rels[i] = NULL;
|
asect->relocation = res;
|
|
|
|
return i;
|
return i;
|
}
|
}
|
|
|
long
|
long
|
| Line 832... |
Line 1182... |
{
|
{
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
|
if (mdata->dysymtab == NULL)
|
if (mdata->dysymtab == NULL)
|
return 1;
|
return 1;
|
return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel)
|
return (mdata->dysymtab->nextrel + mdata->dysymtab->nlocrel + 1)
|
* sizeof (arelent *);
|
* sizeof (arelent *);
|
}
|
}
|
|
|
long
|
long
|
bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels,
|
bfd_mach_o_canonicalize_dynamic_reloc (bfd *abfd, arelent **rels,
|
| Line 855... |
Line 1205... |
|
|
/* No need to go further if we don't know how to read relocs. */
|
/* No need to go further if we don't know how to read relocs. */
|
if (bed->_bfd_mach_o_swap_reloc_in == NULL)
|
if (bed->_bfd_mach_o_swap_reloc_in == NULL)
|
return 0;
|
return 0;
|
|
|
res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel) * sizeof (arelent));
|
if (mdata->dyn_reloc_cache == NULL)
|
|
{
|
|
res = bfd_malloc ((dysymtab->nextrel + dysymtab->nlocrel)
|
|
* sizeof (arelent));
|
if (res == NULL)
|
if (res == NULL)
|
return -1;
|
return -1;
|
|
|
if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff,
|
if (bfd_mach_o_canonicalize_relocs (abfd, dysymtab->extreloff,
|
dysymtab->nextrel, res, syms) < 0)
|
dysymtab->nextrel, res, syms) < 0)
|
| Line 874... |
Line 1227... |
{
|
{
|
free (res);
|
free (res);
|
return -1;
|
return -1;
|
}
|
}
|
|
|
|
mdata->dyn_reloc_cache = res;
|
|
}
|
|
|
|
res = mdata->dyn_reloc_cache;
|
for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++)
|
for (i = 0; i < dysymtab->nextrel + dysymtab->nlocrel; i++)
|
rels[i] = &res[i];
|
rels[i] = &res[i];
|
rels[i] = NULL;
|
rels[i] = NULL;
|
return i;
|
return i;
|
}
|
}
|
|
|
|
/* In addition to the need to byte-swap the symbol number, the bit positions
|
|
of the fields in the relocation information vary per target endian-ness. */
|
|
|
|
static void
|
|
bfd_mach_o_swap_out_non_scattered_reloc (bfd *abfd, unsigned char *fields,
|
|
bfd_mach_o_reloc_info *rel)
|
|
{
|
|
unsigned char info = 0;
|
|
|
|
BFD_ASSERT (rel->r_type <= 15);
|
|
BFD_ASSERT (rel->r_length <= 3);
|
|
|
|
if (bfd_big_endian (abfd))
|
|
{
|
|
fields[0] = (rel->r_value >> 16) & 0xff;
|
|
fields[1] = (rel->r_value >> 8) & 0xff;
|
|
fields[2] = rel->r_value & 0xff;
|
|
info |= rel->r_type << BFD_MACH_O_BE_TYPE_SHIFT;
|
|
info |= rel->r_pcrel ? BFD_MACH_O_BE_PCREL : 0;
|
|
info |= rel->r_length << BFD_MACH_O_BE_LENGTH_SHIFT;
|
|
info |= rel->r_extern ? BFD_MACH_O_BE_EXTERN : 0;
|
|
}
|
|
else
|
|
{
|
|
fields[2] = (rel->r_value >> 16) & 0xff;
|
|
fields[1] = (rel->r_value >> 8) & 0xff;
|
|
fields[0] = rel->r_value & 0xff;
|
|
info |= rel->r_type << BFD_MACH_O_LE_TYPE_SHIFT;
|
|
info |= rel->r_pcrel ? BFD_MACH_O_LE_PCREL : 0;
|
|
info |= rel->r_length << BFD_MACH_O_LE_LENGTH_SHIFT;
|
|
info |= rel->r_extern ? BFD_MACH_O_LE_EXTERN : 0;
|
|
}
|
|
fields[3] = info;
|
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section)
|
bfd_mach_o_write_relocs (bfd *abfd, bfd_mach_o_section *section)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
unsigned int i;
|
unsigned int i;
|
arelent **entries;
|
arelent **entries;
|
asection *sec;
|
asection *sec;
|
bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
|
bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
|
|
|
| Line 896... |
Line 1287... |
return TRUE;
|
return TRUE;
|
|
|
if (bed->_bfd_mach_o_swap_reloc_out == NULL)
|
if (bed->_bfd_mach_o_swap_reloc_out == NULL)
|
return TRUE;
|
return TRUE;
|
|
|
/* Allocate relocation room. */
|
|
mdata->filelen = FILE_ALIGN(mdata->filelen, 2);
|
|
section->nreloc = sec->reloc_count;
|
|
sec->rel_filepos = mdata->filelen;
|
|
section->reloff = sec->rel_filepos;
|
|
mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE;
|
|
|
|
if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0)
|
if (bfd_seek (abfd, section->reloff, SEEK_SET) != 0)
|
return FALSE;
|
return FALSE;
|
|
|
/* Convert and write. */
|
/* Convert and write. */
|
entries = section->bfdsection->orelocation;
|
entries = section->bfdsection->orelocation;
|
| Line 934... |
Line 1318... |
bfd_put_32 (abfd, v, raw.r_address);
|
bfd_put_32 (abfd, v, raw.r_address);
|
bfd_put_32 (abfd, pinfo->r_value, raw.r_symbolnum);
|
bfd_put_32 (abfd, pinfo->r_value, raw.r_symbolnum);
|
}
|
}
|
else
|
else
|
{
|
{
|
unsigned long v;
|
|
|
|
bfd_put_32 (abfd, pinfo->r_address, raw.r_address);
|
bfd_put_32 (abfd, pinfo->r_address, raw.r_address);
|
v = BFD_MACH_O_SET_R_SYMBOLNUM (pinfo->r_value)
|
bfd_mach_o_swap_out_non_scattered_reloc (abfd, raw.r_symbolnum,
|
| (pinfo->r_pcrel ? BFD_MACH_O_R_PCREL : 0)
|
pinfo);
|
| BFD_MACH_O_SET_R_LENGTH (pinfo->r_length)
|
|
| (pinfo->r_extern ? BFD_MACH_O_R_EXTERN : 0)
|
|
| BFD_MACH_O_SET_R_TYPE (pinfo->r_type);
|
|
bfd_put_32 (abfd, v, raw.r_symbolnum);
|
|
}
|
}
|
|
|
if (bfd_bwrite (&raw, BFD_MACH_O_RELENT_SIZE, abfd)
|
if (bfd_bwrite (&raw, BFD_MACH_O_RELENT_SIZE, abfd)
|
!= BFD_MACH_O_RELENT_SIZE)
|
!= BFD_MACH_O_RELENT_SIZE)
|
return FALSE;
|
return FALSE;
|
| Line 1095... |
Line 1473... |
|
|
strtab = _bfd_stringtab_init ();
|
strtab = _bfd_stringtab_init ();
|
if (strtab == NULL)
|
if (strtab == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
|
if (sym->nsyms > 0)
|
|
/* Although we don't strictly need to do this, for compatibility with
|
|
Darwin system tools, actually output an empty string for the index
|
|
0 entry. */
|
|
_bfd_stringtab_add (strtab, "", TRUE, FALSE);
|
|
|
for (i = 0; i < sym->nsyms; i++)
|
for (i = 0; i < sym->nsyms; i++)
|
{
|
{
|
bfd_size_type str_index;
|
bfd_size_type str_index;
|
bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
|
bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
|
|
|
/* Compute name index. */
|
|
/* An index of 0 always means the empty string. */
|
|
if (s->symbol.name == 0 || s->symbol.name[0] == '\0')
|
if (s->symbol.name == 0 || s->symbol.name[0] == '\0')
|
|
/* An index of 0 always means the empty string. */
|
str_index = 0;
|
str_index = 0;
|
else
|
else
|
{
|
{
|
str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE);
|
str_index = _bfd_stringtab_add (strtab, s->symbol.name, TRUE, FALSE);
|
|
|
if (str_index == (bfd_size_type) -1)
|
if (str_index == (bfd_size_type) -1)
|
goto err;
|
goto err;
|
}
|
}
|
|
|
if (wide)
|
if (wide)
|
| Line 1169... |
Line 1553... |
err:
|
err:
|
_bfd_stringtab_free (strtab);
|
_bfd_stringtab_free (strtab);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* Process the symbols and generate Mach-O specific fields.
|
/* Write a dysymtab command.
|
Number them. */
|
TODO: Possibly coalesce writes of smaller objects. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
bfd_mach_o_mangle_symbols (bfd *abfd)
|
bfd_mach_o_write_dysymtab (bfd *abfd, bfd_mach_o_load_command *command)
|
{
|
{
|
unsigned long i;
|
bfd_mach_o_dysymtab_command *cmd = &command->command.dysymtab;
|
asymbol **symbols = bfd_get_outsymbols (abfd);
|
|
|
|
for (i = 0; i < bfd_get_symcount (abfd); i++)
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_DYSYMTAB);
|
{
|
|
bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
|
|
|
|
if (s->n_type == BFD_MACH_O_N_UNDF && !(s->symbol.flags & BSF_DEBUGGING))
|
if (cmd->nmodtab != 0)
|
{
|
{
|
/* As genuine Mach-O symbols type shouldn't be N_UNDF (undefined
|
unsigned int i;
|
symbols should be N_UNDEF | N_EXT), we suppose the back-end
|
|
values haven't been set. */
|
if (bfd_seek (abfd, cmd->modtaboff, SEEK_SET) != 0)
|
if (s->symbol.section == bfd_abs_section_ptr)
|
return FALSE;
|
s->n_type = BFD_MACH_O_N_ABS;
|
|
else if (s->symbol.section == bfd_und_section_ptr)
|
for (i = 0; i < cmd->nmodtab; i++)
|
{
|
{
|
s->n_type = BFD_MACH_O_N_UNDF;
|
bfd_mach_o_dylib_module *module = &cmd->dylib_module[i];
|
if (s->symbol.flags & BSF_WEAK)
|
unsigned int iinit;
|
s->n_desc |= BFD_MACH_O_N_WEAK_REF;
|
unsigned int ninit;
|
}
|
|
else if (s->symbol.section == bfd_com_section_ptr)
|
|
s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT;
|
|
else
|
|
s->n_type = BFD_MACH_O_N_SECT;
|
|
|
|
if (s->symbol.flags & BSF_GLOBAL)
|
iinit = module->iinit & 0xffff;
|
s->n_type |= BFD_MACH_O_N_EXT;
|
iinit |= ((module->iterm & 0xffff) << 16);
|
|
|
|
ninit = module->ninit & 0xffff;
|
|
ninit |= ((module->nterm & 0xffff) << 16);
|
|
|
|
if (bfd_mach_o_wide_p (abfd))
|
|
{
|
|
struct mach_o_dylib_module_64_external w;
|
|
|
|
bfd_h_put_32 (abfd, module->module_name_idx, &w.module_name);
|
|
bfd_h_put_32 (abfd, module->iextdefsym, &w.iextdefsym);
|
|
bfd_h_put_32 (abfd, module->nextdefsym, &w.nextdefsym);
|
|
bfd_h_put_32 (abfd, module->irefsym, &w.irefsym);
|
|
bfd_h_put_32 (abfd, module->nrefsym, &w.nrefsym);
|
|
bfd_h_put_32 (abfd, module->ilocalsym, &w.ilocalsym);
|
|
bfd_h_put_32 (abfd, module->nlocalsym, &w.nlocalsym);
|
|
bfd_h_put_32 (abfd, module->iextrel, &w.iextrel);
|
|
bfd_h_put_32 (abfd, module->nextrel, &w.nextrel);
|
|
bfd_h_put_32 (abfd, iinit, &w.iinit_iterm);
|
|
bfd_h_put_32 (abfd, ninit, &w.ninit_nterm);
|
|
bfd_h_put_64 (abfd, module->objc_module_info_addr,
|
|
&w.objc_module_info_addr);
|
|
bfd_h_put_32 (abfd, module->objc_module_info_size,
|
|
&w.objc_module_info_size);
|
|
|
|
if (bfd_bwrite ((void *) &w, sizeof (w), abfd) != sizeof (w))
|
|
return FALSE;
|
}
|
}
|
|
else
|
|
{
|
|
struct mach_o_dylib_module_external n;
|
|
|
/* Compute section index. */
|
bfd_h_put_32 (abfd, module->module_name_idx, &n.module_name);
|
if (s->symbol.section != bfd_abs_section_ptr
|
bfd_h_put_32 (abfd, module->iextdefsym, &n.iextdefsym);
|
&& s->symbol.section != bfd_und_section_ptr
|
bfd_h_put_32 (abfd, module->nextdefsym, &n.nextdefsym);
|
&& s->symbol.section != bfd_com_section_ptr)
|
bfd_h_put_32 (abfd, module->irefsym, &n.irefsym);
|
s->n_sect = s->symbol.section->target_index;
|
bfd_h_put_32 (abfd, module->nrefsym, &n.nrefsym);
|
|
bfd_h_put_32 (abfd, module->ilocalsym, &n.ilocalsym);
|
|
bfd_h_put_32 (abfd, module->nlocalsym, &n.nlocalsym);
|
|
bfd_h_put_32 (abfd, module->iextrel, &n.iextrel);
|
|
bfd_h_put_32 (abfd, module->nextrel, &n.nextrel);
|
|
bfd_h_put_32 (abfd, iinit, &n.iinit_iterm);
|
|
bfd_h_put_32 (abfd, ninit, &n.ninit_nterm);
|
|
bfd_h_put_32 (abfd, module->objc_module_info_addr,
|
|
&n.objc_module_info_addr);
|
|
bfd_h_put_32 (abfd, module->objc_module_info_size,
|
|
&n.objc_module_info_size);
|
|
|
/* Number symbols. */
|
if (bfd_bwrite ((void *) &n, sizeof (n), abfd) != sizeof (n))
|
s->symbol.udata.i = i;
|
return FALSE;
|
|
}
|
}
|
}
|
return TRUE;
|
|
}
|
}
|
|
|
bfd_boolean
|
if (cmd->ntoc != 0)
|
bfd_mach_o_write_contents (bfd *abfd)
|
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
|
|
if (mdata->header.ncmds == 0)
|
if (bfd_seek (abfd, cmd->tocoff, SEEK_SET) != 0)
|
if (!bfd_mach_o_build_commands (abfd))
|
|
return FALSE;
|
return FALSE;
|
|
|
/* Now write header information. */
|
for (i = 0; i < cmd->ntoc; i++)
|
if (mdata->header.filetype == 0)
|
|
{
|
{
|
if (abfd->flags & EXEC_P)
|
struct mach_o_dylib_table_of_contents_external raw;
|
mdata->header.filetype = BFD_MACH_O_MH_EXECUTE;
|
bfd_mach_o_dylib_table_of_content *toc = &cmd->dylib_toc[i];
|
else if (abfd->flags & DYNAMIC)
|
|
mdata->header.filetype = BFD_MACH_O_MH_DYLIB;
|
|
else
|
|
mdata->header.filetype = BFD_MACH_O_MH_OBJECT;
|
|
}
|
|
if (!bfd_mach_o_write_header (abfd, &mdata->header))
|
|
return FALSE;
|
|
|
|
/* Assign a number to each symbols. */
|
bfd_h_put_32 (abfd, toc->symbol_index, &raw.symbol_index);
|
if (!bfd_mach_o_mangle_symbols (abfd))
|
bfd_h_put_32 (abfd, toc->module_index, &raw.module_index);
|
|
|
|
if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
|
return FALSE;
|
return FALSE;
|
|
}
|
|
}
|
|
|
for (i = 0; i < mdata->header.ncmds; i++)
|
if (cmd->nindirectsyms > 0)
|
|
{
|
|
unsigned int i;
|
|
|
|
if (bfd_seek (abfd, cmd->indirectsymoff, SEEK_SET) != 0)
|
|
return FALSE;
|
|
|
|
for (i = 0; i < cmd->nindirectsyms; ++i)
|
|
{
|
|
unsigned char raw[4];
|
|
|
|
bfd_h_put_32 (abfd, cmd->indirect_syms[i], &raw);
|
|
if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw))
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
if (cmd->nextrefsyms != 0)
|
|
{
|
|
unsigned int i;
|
|
|
|
if (bfd_seek (abfd, cmd->extrefsymoff, SEEK_SET) != 0)
|
|
return FALSE;
|
|
|
|
for (i = 0; i < cmd->nextrefsyms; i++)
|
|
{
|
|
unsigned long v;
|
|
unsigned char raw[4];
|
|
bfd_mach_o_dylib_reference *ref = &cmd->ext_refs[i];
|
|
|
|
/* Fields isym and flags are written as bit-fields, thus we need
|
|
a specific processing for endianness. */
|
|
|
|
if (bfd_big_endian (abfd))
|
|
{
|
|
v = ((ref->isym & 0xffffff) << 8);
|
|
v |= ref->flags & 0xff;
|
|
}
|
|
else
|
|
{
|
|
v = ref->isym & 0xffffff;
|
|
v |= ((ref->flags & 0xff) << 24);
|
|
}
|
|
|
|
bfd_h_put_32 (abfd, v, raw);
|
|
if (bfd_bwrite (raw, sizeof (raw), abfd) != sizeof (raw))
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* The command. */
|
|
if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0)
|
|
return FALSE;
|
|
else
|
|
{
|
|
struct mach_o_dysymtab_command_external raw;
|
|
|
|
bfd_h_put_32 (abfd, cmd->ilocalsym, &raw.ilocalsym);
|
|
bfd_h_put_32 (abfd, cmd->nlocalsym, &raw.nlocalsym);
|
|
bfd_h_put_32 (abfd, cmd->iextdefsym, &raw.iextdefsym);
|
|
bfd_h_put_32 (abfd, cmd->nextdefsym, &raw.nextdefsym);
|
|
bfd_h_put_32 (abfd, cmd->iundefsym, &raw.iundefsym);
|
|
bfd_h_put_32 (abfd, cmd->nundefsym, &raw.nundefsym);
|
|
bfd_h_put_32 (abfd, cmd->tocoff, &raw.tocoff);
|
|
bfd_h_put_32 (abfd, cmd->ntoc, &raw.ntoc);
|
|
bfd_h_put_32 (abfd, cmd->modtaboff, &raw.modtaboff);
|
|
bfd_h_put_32 (abfd, cmd->nmodtab, &raw.nmodtab);
|
|
bfd_h_put_32 (abfd, cmd->extrefsymoff, &raw.extrefsymoff);
|
|
bfd_h_put_32 (abfd, cmd->nextrefsyms, &raw.nextrefsyms);
|
|
bfd_h_put_32 (abfd, cmd->indirectsymoff, &raw.indirectsymoff);
|
|
bfd_h_put_32 (abfd, cmd->nindirectsyms, &raw.nindirectsyms);
|
|
bfd_h_put_32 (abfd, cmd->extreloff, &raw.extreloff);
|
|
bfd_h_put_32 (abfd, cmd->nextrel, &raw.nextrel);
|
|
bfd_h_put_32 (abfd, cmd->locreloff, &raw.locreloff);
|
|
bfd_h_put_32 (abfd, cmd->nlocrel, &raw.nlocrel);
|
|
|
|
if (bfd_bwrite (&raw, sizeof (raw), abfd) != sizeof (raw))
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static unsigned
|
|
bfd_mach_o_primary_symbol_sort_key (bfd_mach_o_asymbol *s)
|
|
{
|
|
unsigned mtyp = s->n_type & BFD_MACH_O_N_TYPE;
|
|
|
|
/* Just leave debug symbols where they are (pretend they are local, and
|
|
then they will just be sorted on position). */
|
|
if (s->n_type & BFD_MACH_O_N_STAB)
|
|
return 0;
|
|
|
|
/* Local (we should never see an undefined local AFAICT). */
|
|
if (! (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT)))
|
|
return 0;
|
|
|
|
/* Common symbols look like undefined externs. */
|
|
if (mtyp == BFD_MACH_O_N_UNDF)
|
|
return 2;
|
|
|
|
/* A defined non-local, non-debug symbol. */
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
bfd_mach_o_cf_symbols (const void *a, const void *b)
|
|
{
|
|
bfd_mach_o_asymbol *sa = *(bfd_mach_o_asymbol **) a;
|
|
bfd_mach_o_asymbol *sb = *(bfd_mach_o_asymbol **) b;
|
|
unsigned int soa, sob;
|
|
|
|
soa = bfd_mach_o_primary_symbol_sort_key (sa);
|
|
sob = bfd_mach_o_primary_symbol_sort_key (sb);
|
|
if (soa < sob)
|
|
return -1;
|
|
|
|
if (soa > sob)
|
|
return 1;
|
|
|
|
/* If it's local or stab, just preserve the input order. */
|
|
if (soa == 0)
|
|
{
|
|
if (sa->symbol.udata.i < sb->symbol.udata.i)
|
|
return -1;
|
|
if (sa->symbol.udata.i > sb->symbol.udata.i)
|
|
return 1;
|
|
|
|
/* This is probably an error. */
|
|
return 0;
|
|
}
|
|
|
|
/* The second sort key is name. */
|
|
return strcmp (sa->symbol.name, sb->symbol.name);
|
|
}
|
|
|
|
/* Process the symbols.
|
|
|
|
This should be OK for single-module files - but it is not likely to work
|
|
for multi-module shared libraries.
|
|
|
|
(a) If the application has not filled in the relevant mach-o fields, make
|
|
an estimate.
|
|
|
|
(b) Order them, like this:
|
|
( i) local.
|
|
(unsorted)
|
|
( ii) external defined
|
|
(by name)
|
|
(iii) external undefined/common
|
|
(by name)
|
|
( iv) common
|
|
(by name)
|
|
*/
|
|
|
|
static bfd_boolean
|
|
bfd_mach_o_mangle_symbols (bfd *abfd)
|
|
{
|
|
unsigned long i;
|
|
asymbol **symbols = bfd_get_outsymbols (abfd);
|
|
|
|
if (symbols == NULL || bfd_get_symcount (abfd) == 0)
|
|
return TRUE;
|
|
|
|
for (i = 0; i < bfd_get_symcount (abfd); i++)
|
|
{
|
|
bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
|
|
|
|
/* We use this value, which is out-of-range as a symbol index, to signal
|
|
that the mach-o-specific data are not filled in and need to be created
|
|
from the bfd values. It is much preferable for the application to do
|
|
this, since more meaningful diagnostics can be made that way. */
|
|
|
|
if (s->symbol.udata.i == SYM_MACHO_FIELDS_UNSET)
|
|
{
|
|
/* No symbol information has been set - therefore determine
|
|
it from the bfd symbol flags/info. */
|
|
if (s->symbol.section == bfd_abs_section_ptr)
|
|
s->n_type = BFD_MACH_O_N_ABS;
|
|
else if (s->symbol.section == bfd_und_section_ptr)
|
|
{
|
|
s->n_type = BFD_MACH_O_N_UNDF;
|
|
if (s->symbol.flags & BSF_WEAK)
|
|
s->n_desc |= BFD_MACH_O_N_WEAK_REF;
|
|
/* mach-o automatically makes undefined symbols extern. */
|
|
s->n_type |= BFD_MACH_O_N_EXT;
|
|
s->symbol.flags |= BSF_GLOBAL;
|
|
}
|
|
else if (s->symbol.section == bfd_com_section_ptr)
|
|
{
|
|
s->n_type = BFD_MACH_O_N_UNDF | BFD_MACH_O_N_EXT;
|
|
s->symbol.flags |= BSF_GLOBAL;
|
|
}
|
|
else
|
|
s->n_type = BFD_MACH_O_N_SECT;
|
|
|
|
if (s->symbol.flags & BSF_GLOBAL)
|
|
s->n_type |= BFD_MACH_O_N_EXT;
|
|
}
|
|
|
|
/* Put the section index in, where required. */
|
|
if ((s->symbol.section != bfd_abs_section_ptr
|
|
&& s->symbol.section != bfd_und_section_ptr
|
|
&& s->symbol.section != bfd_com_section_ptr)
|
|
|| ((s->n_type & BFD_MACH_O_N_STAB) != 0
|
|
&& s->symbol.name == NULL))
|
|
s->n_sect = s->symbol.section->target_index;
|
|
|
|
/* Number to preserve order for local and debug syms. */
|
|
s->symbol.udata.i = i;
|
|
}
|
|
|
|
/* Sort the symbols. */
|
|
qsort ((void *) symbols, (size_t) bfd_get_symcount (abfd),
|
|
sizeof (asymbol *), bfd_mach_o_cf_symbols);
|
|
|
|
for (i = 0; i < bfd_get_symcount (abfd); ++i)
|
|
{
|
|
bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
|
|
s->symbol.udata.i = i; /* renumber. */
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* We build a flat table of sections, which can be re-ordered if necessary.
|
|
Fill in the section number and other mach-o-specific data. */
|
|
|
|
static bfd_boolean
|
|
bfd_mach_o_mangle_sections (bfd *abfd, bfd_mach_o_data_struct *mdata)
|
|
{
|
|
asection *sec;
|
|
unsigned target_index;
|
|
unsigned nsect;
|
|
|
|
nsect = bfd_count_sections (abfd);
|
|
|
|
/* Don't do it if it's already set - assume the application knows what it's
|
|
doing. */
|
|
if (mdata->nsects == nsect
|
|
&& (mdata->nsects == 0 || mdata->sections != NULL))
|
|
return TRUE;
|
|
|
|
mdata->nsects = nsect;
|
|
mdata->sections = bfd_alloc (abfd,
|
|
mdata->nsects * sizeof (bfd_mach_o_section *));
|
|
if (mdata->sections == NULL)
|
|
return FALSE;
|
|
|
|
/* We need to check that this can be done... */
|
|
if (nsect > 255)
|
|
(*_bfd_error_handler) (_("mach-o: there are too many sections (%d)"
|
|
" maximum is 255,\n"), nsect);
|
|
|
|
/* Create Mach-O sections.
|
|
Section type, attribute and align should have been set when the
|
|
section was created - either read in or specified. */
|
|
target_index = 0;
|
|
for (sec = abfd->sections; sec; sec = sec->next)
|
|
{
|
|
unsigned bfd_align = bfd_get_section_alignment (abfd, sec);
|
|
bfd_mach_o_section *msect = bfd_mach_o_get_mach_o_section (sec);
|
|
|
|
mdata->sections[target_index] = msect;
|
|
|
|
msect->addr = bfd_get_section_vma (abfd, sec);
|
|
msect->size = bfd_get_section_size (sec);
|
|
|
|
/* Use the largest alignment set, in case it was bumped after the
|
|
section was created. */
|
|
msect->align = msect->align > bfd_align ? msect->align : bfd_align;
|
|
|
|
msect->offset = 0;
|
|
sec->target_index = ++target_index;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
bfd_boolean
|
|
bfd_mach_o_write_contents (bfd *abfd)
|
|
{
|
|
unsigned int i;
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
|
|
/* Make the commands, if not already present. */
|
|
if (mdata->header.ncmds == 0)
|
|
if (!bfd_mach_o_build_commands (abfd))
|
|
return FALSE;
|
|
|
|
if (!bfd_mach_o_write_header (abfd, &mdata->header))
|
|
return FALSE;
|
|
|
|
for (i = 0; i < mdata->header.ncmds; i++)
|
{
|
{
|
struct mach_o_load_command_external raw;
|
struct mach_o_load_command_external raw;
|
bfd_mach_o_load_command *cur = &mdata->commands[i];
|
bfd_mach_o_load_command *cur = &mdata->commands[i];
|
unsigned long typeflag;
|
unsigned long typeflag;
|
|
|
| Line 1272... |
Line 1973... |
break;
|
break;
|
case BFD_MACH_O_LC_SYMTAB:
|
case BFD_MACH_O_LC_SYMTAB:
|
if (!bfd_mach_o_write_symtab (abfd, cur))
|
if (!bfd_mach_o_write_symtab (abfd, cur))
|
return FALSE;
|
return FALSE;
|
break;
|
break;
|
|
case BFD_MACH_O_LC_DYSYMTAB:
|
|
if (!bfd_mach_o_write_dysymtab (abfd, cur))
|
|
return FALSE;
|
|
break;
|
case BFD_MACH_O_LC_SYMSEG:
|
case BFD_MACH_O_LC_SYMSEG:
|
break;
|
break;
|
case BFD_MACH_O_LC_THREAD:
|
case BFD_MACH_O_LC_THREAD:
|
case BFD_MACH_O_LC_UNIXTHREAD:
|
case BFD_MACH_O_LC_UNIXTHREAD:
|
if (bfd_mach_o_write_thread (abfd, cur) != 0)
|
if (bfd_mach_o_write_thread (abfd, cur) != 0)
|
| Line 1284... |
Line 1989... |
case BFD_MACH_O_LC_LOADFVMLIB:
|
case BFD_MACH_O_LC_LOADFVMLIB:
|
case BFD_MACH_O_LC_IDFVMLIB:
|
case BFD_MACH_O_LC_IDFVMLIB:
|
case BFD_MACH_O_LC_IDENT:
|
case BFD_MACH_O_LC_IDENT:
|
case BFD_MACH_O_LC_FVMFILE:
|
case BFD_MACH_O_LC_FVMFILE:
|
case BFD_MACH_O_LC_PREPAGE:
|
case BFD_MACH_O_LC_PREPAGE:
|
case BFD_MACH_O_LC_DYSYMTAB:
|
|
case BFD_MACH_O_LC_LOAD_DYLIB:
|
case BFD_MACH_O_LC_LOAD_DYLIB:
|
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
|
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
|
case BFD_MACH_O_LC_ID_DYLIB:
|
case BFD_MACH_O_LC_ID_DYLIB:
|
case BFD_MACH_O_LC_REEXPORT_DYLIB:
|
case BFD_MACH_O_LC_REEXPORT_DYLIB:
|
|
case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB:
|
case BFD_MACH_O_LC_LOAD_DYLINKER:
|
case BFD_MACH_O_LC_LOAD_DYLINKER:
|
case BFD_MACH_O_LC_ID_DYLINKER:
|
case BFD_MACH_O_LC_ID_DYLINKER:
|
case BFD_MACH_O_LC_PREBOUND_DYLIB:
|
case BFD_MACH_O_LC_PREBOUND_DYLIB:
|
case BFD_MACH_O_LC_ROUTINES:
|
case BFD_MACH_O_LC_ROUTINES:
|
case BFD_MACH_O_LC_SUB_FRAMEWORK:
|
case BFD_MACH_O_LC_SUB_FRAMEWORK:
|
| Line 1339... |
Line 2044... |
s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG;
|
s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG;
|
else
|
else
|
s->flags = BFD_MACH_O_S_REGULAR;
|
s->flags = BFD_MACH_O_S_REGULAR;
|
}
|
}
|
|
|
/* Build Mach-O load commands from the sections. */
|
/* Count the number of sections in the list for the segment named.
|
|
|
bfd_boolean
|
The special case of NULL or "" for the segment name is valid for
|
bfd_mach_o_build_commands (bfd *abfd)
|
an MH_OBJECT file and means 'all sections available'.
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
unsigned int wide = mach_o_wide_p (&mdata->header);
|
|
bfd_mach_o_segment_command *seg;
|
|
asection *sec;
|
|
bfd_mach_o_load_command *cmd;
|
|
bfd_mach_o_load_command *symtab_cmd;
|
|
int target_index;
|
|
|
|
/* Return now if commands are already built. */
|
Requires that the sections table in mdata be filled in.
|
if (mdata->header.ncmds)
|
|
return FALSE;
|
|
|
|
/* Very simple version: a command (segment) to contain all the sections and
|
Returns the number of sections (0 is valid).
|
a command for the symbol table. */
|
Any number > 255 signals an invalid section count, although we will,
|
mdata->header.ncmds = 2;
|
perhaps, allow the file to be written (in line with Darwin tools up
|
mdata->commands = bfd_alloc (abfd, mdata->header.ncmds
|
to XCode 4).
|
* sizeof (bfd_mach_o_load_command));
|
|
if (mdata->commands == NULL)
|
|
return FALSE;
|
|
cmd = &mdata->commands[0];
|
|
seg = &cmd->command.segment;
|
|
|
|
seg->nsects = bfd_count_sections (abfd);
|
A section count of (unsigned long) -1 signals a definite error. */
|
|
|
/* Set segment command. */
|
static unsigned long
|
if (wide)
|
bfd_mach_o_count_sections_for_seg (const char *segment,
|
|
bfd_mach_o_data_struct *mdata)
|
{
|
{
|
cmd->type = BFD_MACH_O_LC_SEGMENT_64;
|
unsigned i,j;
|
cmd->offset = BFD_MACH_O_HEADER_64_SIZE;
|
if (mdata == NULL || mdata->sections == NULL)
|
cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE
|
return (unsigned long) -1;
|
+ BFD_MACH_O_SECTION_64_SIZE * seg->nsects;
|
|
}
|
/* The MH_OBJECT case, all sections are considered; Although nsects is
|
else
|
is an unsigned long, the maximum valid section count is 255 and this
|
|
will have been checked already by mangle_sections. */
|
|
if (segment == NULL || segment[0] == '\0')
|
|
return mdata->nsects;
|
|
|
|
/* Count the number of sections we see in this segment. */
|
|
j = 0;
|
|
for (i = 0; i < mdata->nsects; ++i)
|
{
|
{
|
cmd->type = BFD_MACH_O_LC_SEGMENT;
|
bfd_mach_o_section *s = mdata->sections[i];
|
cmd->offset = BFD_MACH_O_HEADER_SIZE;
|
if (strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) == 0)
|
cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE
|
j++;
|
+ BFD_MACH_O_SECTION_SIZE * seg->nsects;
|
}
|
|
return j;
|
}
|
}
|
cmd->type_required = FALSE;
|
|
mdata->header.sizeofcmds = cmd->len;
|
|
mdata->filelen = cmd->offset + cmd->len;
|
|
|
|
/* Set symtab command. */
|
|
symtab_cmd = &mdata->commands[1];
|
|
|
|
symtab_cmd->type = BFD_MACH_O_LC_SYMTAB;
|
|
symtab_cmd->offset = cmd->offset + cmd->len;
|
|
symtab_cmd->len = 6 * 4;
|
|
symtab_cmd->type_required = FALSE;
|
|
|
|
mdata->header.sizeofcmds += symtab_cmd->len;
|
static bfd_boolean
|
mdata->filelen += symtab_cmd->len;
|
bfd_mach_o_build_seg_command (const char *segment,
|
|
bfd_mach_o_data_struct *mdata,
|
|
bfd_mach_o_segment_command *seg)
|
|
{
|
|
unsigned i;
|
|
int is_mho = (segment == NULL || segment[0] == '\0');
|
|
|
/* Fill segment command. */
|
/* Fill segment command. */
|
|
if (is_mho)
|
memset (seg->segname, 0, sizeof (seg->segname));
|
memset (seg->segname, 0, sizeof (seg->segname));
|
|
else
|
|
strncpy (seg->segname, segment, sizeof (seg->segname));
|
|
|
|
/* TODO: fix this up for non-MH_OBJECT cases. */
|
seg->vmaddr = 0;
|
seg->vmaddr = 0;
|
|
seg->vmsize = 0;
|
|
|
seg->fileoff = mdata->filelen;
|
seg->fileoff = mdata->filelen;
|
seg->filesize = 0;
|
seg->filesize = 0;
|
seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE
|
seg->maxprot = BFD_MACH_O_PROT_READ | BFD_MACH_O_PROT_WRITE
|
| BFD_MACH_O_PROT_EXECUTE;
|
| BFD_MACH_O_PROT_EXECUTE;
|
seg->initprot = seg->maxprot;
|
seg->initprot = seg->maxprot;
|
seg->flags = 0;
|
seg->flags = 0;
|
seg->sect_head = NULL;
|
seg->sect_head = NULL;
|
seg->sect_tail = NULL;
|
seg->sect_tail = NULL;
|
|
|
/* Create Mach-O sections. */
|
/* Append sections to the segment.
|
target_index = 0;
|
|
for (sec = abfd->sections; sec; sec = sec->next)
|
This is a little tedious, we have to honor the need to account zerofill
|
{
|
sections after all the rest. This forces us to do the calculation of
|
bfd_mach_o_section *msect = bfd_mach_o_get_mach_o_section (sec);
|
total vmsize in three passes so that any alignment increments are
|
|
properly accounted. */
|
|
|
|
for (i = 0; i < mdata->nsects; ++i)
|
|
{
|
|
bfd_mach_o_section *s = mdata->sections[i];
|
|
asection *sec = s->bfdsection;
|
|
|
|
/* If we're not making an MH_OBJECT, check whether this section is from
|
|
our segment, and skip if not. Otherwise, just add all sections. */
|
|
if (! is_mho
|
|
&& strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0)
|
|
continue;
|
|
|
|
/* Although we account for zerofill section sizes in vm order, they are
|
|
placed in the file in source sequence. */
|
bfd_mach_o_append_section_to_segment (seg, sec);
|
bfd_mach_o_append_section_to_segment (seg, sec);
|
|
s->offset = 0;
|
|
|
if (msect->flags == 0)
|
/* Zerofill sections have zero file size & offset,
|
{
|
and are not written. */
|
/* We suppose it hasn't been set. Convert from BFD flags. */
|
if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) == BFD_MACH_O_S_ZEROFILL
|
bfd_mach_o_set_section_flags_from_bfd (abfd, sec);
|
|| (s->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
}
|
== BFD_MACH_O_S_GB_ZEROFILL)
|
msect->addr = bfd_get_section_vma (abfd, sec);
|
continue;
|
msect->size = bfd_get_section_size (sec);
|
|
msect->align = bfd_get_section_alignment (abfd, sec);
|
|
|
|
if (msect->size != 0)
|
if (s->size > 0)
|
{
|
{
|
mdata->filelen = FILE_ALIGN (mdata->filelen, msect->align);
|
seg->vmsize = FILE_ALIGN (seg->vmsize, s->align);
|
msect->offset = mdata->filelen;
|
seg->vmsize += s->size;
|
}
|
|
else
|
|
msect->offset = 0;
|
|
|
|
sec->filepos = msect->offset;
|
seg->filesize = FILE_ALIGN (seg->filesize, s->align);
|
sec->target_index = ++target_index;
|
seg->filesize += s->size;
|
|
|
mdata->filelen += msect->size;
|
mdata->filelen = FILE_ALIGN (mdata->filelen, s->align);
|
|
s->offset = mdata->filelen;
|
}
|
}
|
seg->filesize = mdata->filelen - seg->fileoff;
|
|
seg->vmsize = seg->filesize;
|
|
|
|
return TRUE;
|
sec->filepos = s->offset;
|
|
mdata->filelen += s->size;
|
}
|
}
|
|
|
/* Set the contents of a section. */
|
/* Now pass through again, for zerofill, only now we just update the vmsize. */
|
|
for (i = 0; i < mdata->nsects; ++i)
|
bfd_boolean
|
|
bfd_mach_o_set_section_contents (bfd *abfd,
|
|
asection *section,
|
|
const void * location,
|
|
file_ptr offset,
|
|
bfd_size_type count)
|
|
{
|
{
|
file_ptr pos;
|
bfd_mach_o_section *s = mdata->sections[i];
|
|
|
/* This must be done first, because bfd_set_section_contents is
|
|
going to set output_has_begun to TRUE. */
|
|
if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd))
|
|
return FALSE;
|
|
|
|
if (count == 0)
|
if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) != BFD_MACH_O_S_ZEROFILL)
|
return TRUE;
|
continue;
|
|
|
pos = section->filepos + offset;
|
if (! is_mho
|
if (bfd_seek (abfd, pos, SEEK_SET) != 0
|
&& strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0)
|
|| bfd_bwrite (location, count, abfd) != count)
|
continue;
|
return FALSE;
|
|
|
|
return TRUE;
|
if (s->size > 0)
|
|
{
|
|
seg->vmsize = FILE_ALIGN (seg->vmsize, s->align);
|
|
seg->vmsize += s->size;
|
|
}
|
}
|
}
|
|
|
int
|
/* Now pass through again, for zerofill_GB. */
|
|
for (i = 0; i < mdata->nsects; ++i)
|
|
{
|
|
bfd_mach_o_section *s = mdata->sections[i];
|
|
|
|
if ((s->flags & BFD_MACH_O_SECTION_TYPE_MASK) != BFD_MACH_O_S_GB_ZEROFILL)
|
|
continue;
|
|
|
|
if (! is_mho
|
|
&& strncmp (segment, s->segname, BFD_MACH_O_SEGNAME_SIZE) != 0)
|
|
continue;
|
|
|
|
if (s->size > 0)
|
|
{
|
|
seg->vmsize = FILE_ALIGN (seg->vmsize, s->align);
|
|
seg->vmsize += s->size;
|
|
}
|
|
}
|
|
|
|
/* Allocate space for the relocations. */
|
|
mdata->filelen = FILE_ALIGN(mdata->filelen, 2);
|
|
|
|
for (i = 0; i < mdata->nsects; ++i)
|
|
{
|
|
bfd_mach_o_section *ms = mdata->sections[i];
|
|
asection *sec = ms->bfdsection;
|
|
|
|
if ((ms->nreloc = sec->reloc_count) == 0)
|
|
{
|
|
ms->reloff = 0;
|
|
continue;
|
|
}
|
|
sec->rel_filepos = mdata->filelen;
|
|
ms->reloff = sec->rel_filepos;
|
|
mdata->filelen += sec->reloc_count * BFD_MACH_O_RELENT_SIZE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* Count the number of indirect symbols in the image.
|
|
Requires that the sections are in their final order. */
|
|
|
|
static unsigned int
|
|
bfd_mach_o_count_indirect_symbols (bfd *abfd, bfd_mach_o_data_struct *mdata)
|
|
{
|
|
unsigned int i;
|
|
unsigned int nisyms = 0;
|
|
|
|
for (i = 0; i < mdata->nsects; ++i)
|
|
{
|
|
bfd_mach_o_section *sec = mdata->sections[i];
|
|
|
|
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
|
{
|
|
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
|
|
case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
|
|
case BFD_MACH_O_S_SYMBOL_STUBS:
|
|
nisyms += bfd_mach_o_section_get_nbr_indirect (abfd, sec);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return nisyms;
|
|
}
|
|
|
|
static bfd_boolean
|
|
bfd_mach_o_build_dysymtab_command (bfd *abfd,
|
|
bfd_mach_o_data_struct *mdata,
|
|
bfd_mach_o_load_command *cmd)
|
|
{
|
|
bfd_mach_o_dysymtab_command *dsym = &cmd->command.dysymtab;
|
|
|
|
/* TODO:
|
|
We are not going to try and fill these in yet and, moreover, we are
|
|
going to bail if they are already set. */
|
|
if (dsym->nmodtab != 0
|
|
|| dsym->ntoc != 0
|
|
|| dsym->nextrefsyms != 0)
|
|
{
|
|
(*_bfd_error_handler) (_("sorry: modtab, toc and extrefsyms are not yet"
|
|
" implemented for dysymtab commands."));
|
|
return FALSE;
|
|
}
|
|
|
|
dsym->ilocalsym = 0;
|
|
|
|
if (bfd_get_symcount (abfd) > 0)
|
|
{
|
|
asymbol **symbols = bfd_get_outsymbols (abfd);
|
|
unsigned long i;
|
|
|
|
/* Count the number of each kind of symbol. */
|
|
for (i = 0; i < bfd_get_symcount (abfd); ++i)
|
|
{
|
|
bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
|
|
if (s->n_type & (BFD_MACH_O_N_EXT | BFD_MACH_O_N_PEXT))
|
|
break;
|
|
}
|
|
dsym->nlocalsym = i;
|
|
dsym->iextdefsym = i;
|
|
for (; i < bfd_get_symcount (abfd); ++i)
|
|
{
|
|
bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *)symbols[i];
|
|
if ((s->n_type & BFD_MACH_O_N_TYPE) == BFD_MACH_O_N_UNDF)
|
|
break;
|
|
}
|
|
dsym->nextdefsym = i - dsym->nlocalsym;
|
|
dsym->iundefsym = dsym->nextdefsym + dsym->iextdefsym;
|
|
dsym->nundefsym = bfd_get_symcount (abfd)
|
|
- dsym->nlocalsym
|
|
- dsym->nextdefsym;
|
|
}
|
|
else
|
|
{
|
|
dsym->nlocalsym = 0;
|
|
dsym->iextdefsym = 0;
|
|
dsym->nextdefsym = 0;
|
|
dsym->iundefsym = 0;
|
|
dsym->nundefsym = 0;
|
|
}
|
|
|
|
dsym->nindirectsyms = bfd_mach_o_count_indirect_symbols (abfd, mdata);
|
|
if (dsym->nindirectsyms > 0)
|
|
{
|
|
unsigned i;
|
|
unsigned n;
|
|
|
|
mdata->filelen = FILE_ALIGN (mdata->filelen, 2);
|
|
dsym->indirectsymoff = mdata->filelen;
|
|
mdata->filelen += dsym->nindirectsyms * 4;
|
|
|
|
dsym->indirect_syms = bfd_zalloc (abfd, dsym->nindirectsyms * 4);
|
|
if (dsym->indirect_syms == NULL)
|
|
return FALSE;
|
|
|
|
n = 0;
|
|
for (i = 0; i < mdata->nsects; ++i)
|
|
{
|
|
bfd_mach_o_section *sec = mdata->sections[i];
|
|
|
|
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
|
{
|
|
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
|
|
case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
|
|
case BFD_MACH_O_S_SYMBOL_STUBS:
|
|
{
|
|
unsigned j, num;
|
|
bfd_mach_o_asymbol **isyms = sec->indirect_syms;
|
|
|
|
num = bfd_mach_o_section_get_nbr_indirect (abfd, sec);
|
|
if (isyms == NULL || num == 0)
|
|
break;
|
|
/* Record the starting index in the reserved1 field. */
|
|
sec->reserved1 = n;
|
|
for (j = 0; j < num; j++, n++)
|
|
{
|
|
if (isyms[j] == NULL)
|
|
dsym->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL;
|
|
else if (isyms[j]->symbol.section == bfd_abs_section_ptr
|
|
&& ! (isyms[j]->n_type & BFD_MACH_O_N_EXT))
|
|
dsym->indirect_syms[n] = BFD_MACH_O_INDIRECT_SYM_LOCAL
|
|
| BFD_MACH_O_INDIRECT_SYM_ABS;
|
|
else
|
|
dsym->indirect_syms[n] = isyms[j]->symbol.udata.i;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* Build Mach-O load commands (currently assuming an MH_OBJECT file).
|
|
TODO: Other file formats, rebuilding symtab/dysymtab commands for strip
|
|
and copy functionality. */
|
|
|
|
bfd_boolean
|
|
bfd_mach_o_build_commands (bfd *abfd)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
unsigned wide = mach_o_wide_p (&mdata->header);
|
|
int segcmd_idx = -1;
|
|
int symtab_idx = -1;
|
|
int dysymtab_idx = -1;
|
|
unsigned long base_offset = 0;
|
|
|
|
/* Return now if commands are already present. */
|
|
if (mdata->header.ncmds)
|
|
return FALSE;
|
|
|
|
/* Fill in the file type, if not already set. */
|
|
|
|
if (mdata->header.filetype == 0)
|
|
{
|
|
if (abfd->flags & EXEC_P)
|
|
mdata->header.filetype = BFD_MACH_O_MH_EXECUTE;
|
|
else if (abfd->flags & DYNAMIC)
|
|
mdata->header.filetype = BFD_MACH_O_MH_DYLIB;
|
|
else
|
|
mdata->header.filetype = BFD_MACH_O_MH_OBJECT;
|
|
}
|
|
|
|
/* If hasn't already been done, flatten sections list, and sort
|
|
if/when required. Must be done before the symbol table is adjusted,
|
|
since that depends on properly numbered sections. */
|
|
if (mdata->nsects == 0 || mdata->sections == NULL)
|
|
if (! bfd_mach_o_mangle_sections (abfd, mdata))
|
|
return FALSE;
|
|
|
|
/* Order the symbol table, fill-in/check mach-o specific fields and
|
|
partition out any indirect symbols. */
|
|
if (!bfd_mach_o_mangle_symbols (abfd))
|
|
return FALSE;
|
|
|
|
/* Very simple command set (only really applicable to MH_OBJECTs):
|
|
All the commands are optional - present only when there is suitable data.
|
|
(i.e. it is valid to have an empty file)
|
|
|
|
a command (segment) to contain all the sections,
|
|
command for the symbol table,
|
|
a command for the dysymtab.
|
|
|
|
??? maybe we should assert that this is an MH_OBJECT? */
|
|
|
|
if (mdata->nsects > 0)
|
|
{
|
|
segcmd_idx = 0;
|
|
mdata->header.ncmds = 1;
|
|
}
|
|
|
|
if (bfd_get_symcount (abfd) > 0)
|
|
{
|
|
mdata->header.ncmds++;
|
|
symtab_idx = segcmd_idx + 1; /* 0 if the seg command is absent. */
|
|
}
|
|
|
|
/* FIXME:
|
|
This is a rather crude test for whether we should build a dysymtab. */
|
|
if (bfd_mach_o_should_emit_dysymtab ()
|
|
&& bfd_get_symcount (abfd))
|
|
{
|
|
mdata->header.ncmds++;
|
|
/* If there should be a case where a dysymtab could be emitted without
|
|
a symtab (seems improbable), this would need amending. */
|
|
dysymtab_idx = symtab_idx + 1;
|
|
}
|
|
|
|
if (wide)
|
|
base_offset = BFD_MACH_O_HEADER_64_SIZE;
|
|
else
|
|
base_offset = BFD_MACH_O_HEADER_SIZE;
|
|
|
|
/* Well, we must have a header, at least. */
|
|
mdata->filelen = base_offset;
|
|
|
|
/* A bit unusual, but no content is valid;
|
|
as -n empty.s -o empty.o */
|
|
if (mdata->header.ncmds == 0)
|
|
return TRUE;
|
|
|
|
mdata->commands = bfd_zalloc (abfd, mdata->header.ncmds
|
|
* sizeof (bfd_mach_o_load_command));
|
|
if (mdata->commands == NULL)
|
|
return FALSE;
|
|
|
|
if (segcmd_idx >= 0)
|
|
{
|
|
bfd_mach_o_load_command *cmd = &mdata->commands[segcmd_idx];
|
|
bfd_mach_o_segment_command *seg = &cmd->command.segment;
|
|
|
|
/* Count the segctions in the special blank segment used for MH_OBJECT. */
|
|
seg->nsects = bfd_mach_o_count_sections_for_seg (NULL, mdata);
|
|
if (seg->nsects == (unsigned long) -1)
|
|
return FALSE;
|
|
|
|
/* Init segment command. */
|
|
cmd->offset = base_offset;
|
|
if (wide)
|
|
{
|
|
cmd->type = BFD_MACH_O_LC_SEGMENT_64;
|
|
cmd->len = BFD_MACH_O_LC_SEGMENT_64_SIZE
|
|
+ BFD_MACH_O_SECTION_64_SIZE * seg->nsects;
|
|
}
|
|
else
|
|
{
|
|
cmd->type = BFD_MACH_O_LC_SEGMENT;
|
|
cmd->len = BFD_MACH_O_LC_SEGMENT_SIZE
|
|
+ BFD_MACH_O_SECTION_SIZE * seg->nsects;
|
|
}
|
|
|
|
cmd->type_required = FALSE;
|
|
mdata->header.sizeofcmds = cmd->len;
|
|
mdata->filelen += cmd->len;
|
|
}
|
|
|
|
if (symtab_idx >= 0)
|
|
{
|
|
/* Init symtab command. */
|
|
bfd_mach_o_load_command *cmd = &mdata->commands[symtab_idx];
|
|
|
|
cmd->type = BFD_MACH_O_LC_SYMTAB;
|
|
cmd->offset = base_offset;
|
|
if (segcmd_idx >= 0)
|
|
cmd->offset += mdata->commands[segcmd_idx].len;
|
|
|
|
cmd->len = sizeof (struct mach_o_symtab_command_external)
|
|
+ BFD_MACH_O_LC_SIZE;
|
|
cmd->type_required = FALSE;
|
|
mdata->header.sizeofcmds += cmd->len;
|
|
mdata->filelen += cmd->len;
|
|
}
|
|
|
|
/* If required, setup symtab command, see comment above about the quality
|
|
of this test. */
|
|
if (dysymtab_idx >= 0)
|
|
{
|
|
bfd_mach_o_load_command *cmd = &mdata->commands[dysymtab_idx];
|
|
|
|
cmd->type = BFD_MACH_O_LC_DYSYMTAB;
|
|
if (symtab_idx >= 0)
|
|
cmd->offset = mdata->commands[symtab_idx].offset
|
|
+ mdata->commands[symtab_idx].len;
|
|
else if (segcmd_idx >= 0)
|
|
cmd->offset = mdata->commands[segcmd_idx].offset
|
|
+ mdata->commands[segcmd_idx].len;
|
|
else
|
|
cmd->offset = base_offset;
|
|
|
|
cmd->type_required = FALSE;
|
|
cmd->len = sizeof (struct mach_o_dysymtab_command_external)
|
|
+ BFD_MACH_O_LC_SIZE;
|
|
|
|
mdata->header.sizeofcmds += cmd->len;
|
|
mdata->filelen += cmd->len;
|
|
}
|
|
|
|
/* So, now we have sized the commands and the filelen set to that.
|
|
Now we can build the segment command and set the section file offsets. */
|
|
if (segcmd_idx >= 0
|
|
&& ! bfd_mach_o_build_seg_command
|
|
(NULL, mdata, &mdata->commands[segcmd_idx].command.segment))
|
|
return FALSE;
|
|
|
|
/* If we're doing a dysymtab, cmd points to its load command. */
|
|
if (dysymtab_idx >= 0
|
|
&& ! bfd_mach_o_build_dysymtab_command (abfd, mdata,
|
|
&mdata->commands[dysymtab_idx]))
|
|
return FALSE;
|
|
|
|
/* The symtab command is filled in when the symtab is written. */
|
|
return TRUE;
|
|
}
|
|
|
|
/* Set the contents of a section. */
|
|
|
|
bfd_boolean
|
|
bfd_mach_o_set_section_contents (bfd *abfd,
|
|
asection *section,
|
|
const void * location,
|
|
file_ptr offset,
|
|
bfd_size_type count)
|
|
{
|
|
file_ptr pos;
|
|
|
|
/* Trying to write the first section contents will trigger the creation of
|
|
the load commands if they are not already present. */
|
|
if (! abfd->output_has_begun && ! bfd_mach_o_build_commands (abfd))
|
|
return FALSE;
|
|
|
|
if (count == 0)
|
|
return TRUE;
|
|
|
|
pos = section->filepos + offset;
|
|
if (bfd_seek (abfd, pos, SEEK_SET) != 0
|
|
|| bfd_bwrite (location, count, abfd) != count)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
int
|
bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED,
|
bfd_mach_o_sizeof_headers (bfd *a ATTRIBUTE_UNUSED,
|
struct bfd_link_info *info ATTRIBUTE_UNUSED)
|
struct bfd_link_info *info ATTRIBUTE_UNUSED)
|
{
|
{
|
return 0;
|
return 0;
|
}
|
}
|
| Line 1492... |
Line 2580... |
|
|
new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol));
|
new_symbol = bfd_zalloc (abfd, sizeof (bfd_mach_o_asymbol));
|
if (new_symbol == NULL)
|
if (new_symbol == NULL)
|
return new_symbol;
|
return new_symbol;
|
new_symbol->the_bfd = abfd;
|
new_symbol->the_bfd = abfd;
|
new_symbol->udata.i = 0;
|
new_symbol->udata.i = SYM_MACHO_FIELDS_UNSET;
|
return new_symbol;
|
return new_symbol;
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header)
|
bfd_mach_o_read_header (bfd *abfd, bfd_mach_o_header *header)
|
| Line 1559... |
Line 2647... |
header->sizeofcmds = (*get32) (raw.sizeofcmds);
|
header->sizeofcmds = (*get32) (raw.sizeofcmds);
|
header->flags = (*get32) (raw.flags);
|
header->flags = (*get32) (raw.flags);
|
|
|
if (mach_o_wide_p (header))
|
if (mach_o_wide_p (header))
|
header->reserved = (*get32) (raw.reserved);
|
header->reserved = (*get32) (raw.reserved);
|
|
else
|
|
header->reserved = 0;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
bfd_boolean
|
bfd_boolean
|
bfd_mach_o_new_section_hook (bfd *abfd, asection *sec)
|
bfd_mach_o_new_section_hook (bfd *abfd, asection *sec)
|
{
|
{
|
bfd_mach_o_section *s;
|
bfd_mach_o_section *s;
|
|
unsigned bfdalign = bfd_get_section_alignment (abfd, sec);
|
|
|
s = bfd_mach_o_get_mach_o_section (sec);
|
s = bfd_mach_o_get_mach_o_section (sec);
|
if (s == NULL)
|
if (s == NULL)
|
{
|
{
|
flagword bfd_flags;
|
flagword bfd_flags;
|
|
static const mach_o_section_name_xlat * xlat;
|
|
|
s = (bfd_mach_o_section *) bfd_zalloc (abfd, sizeof (*s));
|
s = (bfd_mach_o_section *) bfd_zalloc (abfd, sizeof (*s));
|
if (s == NULL)
|
if (s == NULL)
|
return FALSE;
|
return FALSE;
|
sec->used_by_bfd = s;
|
sec->used_by_bfd = s;
|
s->bfdsection = sec;
|
s->bfdsection = sec;
|
|
|
/* Create default name. */
|
/* Create the Darwin seg/sect name pair from the bfd name.
|
bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, s);
|
If this is a canonical name for which a specific paiting exists
|
|
there will also be defined flags, type, attribute and alignment
|
/* Create default flags. */
|
values. */
|
|
xlat = bfd_mach_o_convert_section_name_to_mach_o (abfd, sec, s);
|
|
if (xlat != NULL)
|
|
{
|
|
s->flags = xlat->macho_sectype | xlat->macho_secattr;
|
|
s->align = xlat->sectalign > bfdalign ? xlat->sectalign
|
|
: bfdalign;
|
|
bfd_set_section_alignment (abfd, sec, s->align);
|
bfd_flags = bfd_get_section_flags (abfd, sec);
|
bfd_flags = bfd_get_section_flags (abfd, sec);
|
if ((bfd_flags & SEC_CODE) == SEC_CODE)
|
if (bfd_flags == SEC_NO_FLAGS)
|
s->flags = BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS
|
bfd_set_section_flags (abfd, sec, xlat->bfd_flags);
|
| BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS
|
}
|
| BFD_MACH_O_S_REGULAR;
|
|
else if ((bfd_flags & (SEC_ALLOC | SEC_LOAD)) == SEC_ALLOC)
|
|
s->flags = BFD_MACH_O_S_ZEROFILL;
|
|
else if (bfd_flags & SEC_DEBUGGING)
|
|
s->flags = BFD_MACH_O_S_REGULAR | BFD_MACH_O_S_ATTR_DEBUG;
|
|
else
|
else
|
s->flags = BFD_MACH_O_S_REGULAR;
|
/* Create default flags. */
|
|
bfd_mach_o_set_section_flags_from_bfd (abfd, sec);
|
}
|
}
|
|
|
return _bfd_generic_new_section_hook (abfd, sec);
|
return _bfd_generic_new_section_hook (abfd, sec);
|
}
|
}
|
|
|
| Line 1609... |
Line 2704... |
bfd_mach_o_section *section;
|
bfd_mach_o_section *section;
|
|
|
flags = bfd_get_section_flags (abfd, sec);
|
flags = bfd_get_section_flags (abfd, sec);
|
section = bfd_mach_o_get_mach_o_section (sec);
|
section = bfd_mach_o_get_mach_o_section (sec);
|
|
|
|
/* TODO: see if we should use the xlat system for doing this by
|
|
preference and fall back to this for unknown sections. */
|
|
|
if (flags == SEC_NO_FLAGS)
|
if (flags == SEC_NO_FLAGS)
|
{
|
{
|
/* Try to guess flags. */
|
/* Try to guess flags. */
|
if (section->flags & BFD_MACH_O_S_ATTR_DEBUG)
|
if (section->flags & BFD_MACH_O_S_ATTR_DEBUG)
|
flags = SEC_DEBUGGING;
|
flags = SEC_DEBUGGING;
|
| Line 1691... |
Line 2789... |
|
|
section = bfd_mach_o_get_mach_o_section (sec);
|
section = bfd_mach_o_get_mach_o_section (sec);
|
memcpy (section->segname, raw.segname, sizeof (raw.segname));
|
memcpy (section->segname, raw.segname, sizeof (raw.segname));
|
section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0;
|
section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0;
|
memcpy (section->sectname, raw.sectname, sizeof (raw.sectname));
|
memcpy (section->sectname, raw.sectname, sizeof (raw.sectname));
|
section->segname[BFD_MACH_O_SECTNAME_SIZE] = 0;
|
section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0;
|
section->addr = bfd_h_get_32 (abfd, raw.addr);
|
section->addr = bfd_h_get_32 (abfd, raw.addr);
|
section->size = bfd_h_get_32 (abfd, raw.size);
|
section->size = bfd_h_get_32 (abfd, raw.size);
|
section->offset = bfd_h_get_32 (abfd, raw.offset);
|
section->offset = bfd_h_get_32 (abfd, raw.offset);
|
section->align = bfd_h_get_32 (abfd, raw.align);
|
section->align = bfd_h_get_32 (abfd, raw.align);
|
section->reloff = bfd_h_get_32 (abfd, raw.reloff);
|
section->reloff = bfd_h_get_32 (abfd, raw.reloff);
|
| Line 1730... |
Line 2828... |
|
|
section = bfd_mach_o_get_mach_o_section (sec);
|
section = bfd_mach_o_get_mach_o_section (sec);
|
memcpy (section->segname, raw.segname, sizeof (raw.segname));
|
memcpy (section->segname, raw.segname, sizeof (raw.segname));
|
section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0;
|
section->segname[BFD_MACH_O_SEGNAME_SIZE] = 0;
|
memcpy (section->sectname, raw.sectname, sizeof (raw.sectname));
|
memcpy (section->sectname, raw.sectname, sizeof (raw.sectname));
|
section->segname[BFD_MACH_O_SECTNAME_SIZE] = 0;
|
section->sectname[BFD_MACH_O_SECTNAME_SIZE] = 0;
|
section->addr = bfd_h_get_64 (abfd, raw.addr);
|
section->addr = bfd_h_get_64 (abfd, raw.addr);
|
section->size = bfd_h_get_64 (abfd, raw.size);
|
section->size = bfd_h_get_64 (abfd, raw.size);
|
section->offset = bfd_h_get_32 (abfd, raw.offset);
|
section->offset = bfd_h_get_32 (abfd, raw.offset);
|
section->align = bfd_h_get_32 (abfd, raw.align);
|
section->align = bfd_h_get_32 (abfd, raw.align);
|
section->reloff = bfd_h_get_32 (abfd, raw.reloff);
|
section->reloff = bfd_h_get_32 (abfd, raw.reloff);
|
| Line 1759... |
Line 2857... |
return bfd_mach_o_read_section_64 (abfd, offset, prot);
|
return bfd_mach_o_read_section_64 (abfd, offset, prot);
|
else
|
else
|
return bfd_mach_o_read_section_32 (abfd, offset, prot);
|
return bfd_mach_o_read_section_32 (abfd, offset, prot);
|
}
|
}
|
|
|
static int
|
static bfd_boolean
|
bfd_mach_o_read_symtab_symbol (bfd *abfd,
|
bfd_mach_o_read_symtab_symbol (bfd *abfd,
|
bfd_mach_o_symtab_command *sym,
|
bfd_mach_o_symtab_command *sym,
|
bfd_mach_o_asymbol *s,
|
bfd_mach_o_asymbol *s,
|
unsigned long i)
|
unsigned long i)
|
{
|
{
|
| Line 1786... |
Line 2884... |
|| bfd_bread (&raw, symwidth, abfd) != symwidth)
|
|| bfd_bread (&raw, symwidth, abfd) != symwidth)
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %lu"),
|
(_("bfd_mach_o_read_symtab_symbol: unable to read %d bytes at %lu"),
|
symwidth, (unsigned long) symoff);
|
symwidth, (unsigned long) symoff);
|
return -1;
|
return FALSE;
|
}
|
}
|
|
|
stroff = bfd_h_get_32 (abfd, raw.n_strx);
|
stroff = bfd_h_get_32 (abfd, raw.n_strx);
|
type = bfd_h_get_8 (abfd, raw.n_type);
|
type = bfd_h_get_8 (abfd, raw.n_type);
|
symtype = type & BFD_MACH_O_N_TYPE;
|
symtype = type & BFD_MACH_O_N_TYPE;
|
| Line 1805... |
Line 2903... |
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
(_("bfd_mach_o_read_symtab_symbol: name out of range (%lu >= %lu)"),
|
(_("bfd_mach_o_read_symtab_symbol: name out of range (%lu >= %lu)"),
|
(unsigned long) stroff,
|
(unsigned long) stroff,
|
(unsigned long) sym->strsize);
|
(unsigned long) sym->strsize);
|
return -1;
|
return FALSE;
|
}
|
}
|
|
|
s->symbol.the_bfd = abfd;
|
s->symbol.the_bfd = abfd;
|
s->symbol.name = sym->strtab + stroff;
|
s->symbol.name = sym->strtab + stroff;
|
s->symbol.value = value;
|
s->symbol.value = value;
|
s->symbol.flags = 0x0;
|
s->symbol.flags = 0x0;
|
s->symbol.udata.i = 0;
|
s->symbol.udata.i = i;
|
s->n_type = type;
|
s->n_type = type;
|
s->n_sect = section;
|
s->n_sect = section;
|
s->n_desc = desc;
|
s->n_desc = desc;
|
|
|
if (type & BFD_MACH_O_N_STAB)
|
if (type & BFD_MACH_O_N_STAB)
|
| Line 1843... |
Line 2941... |
break;
|
break;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
if (type & BFD_MACH_O_N_PEXT)
|
if (type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT))
|
s->symbol.flags |= BSF_GLOBAL;
|
s->symbol.flags |= BSF_GLOBAL;
|
|
else
|
if (type & BFD_MACH_O_N_EXT)
|
|
s->symbol.flags |= BSF_GLOBAL;
|
|
|
|
if (!(type & (BFD_MACH_O_N_PEXT | BFD_MACH_O_N_EXT)))
|
|
s->symbol.flags |= BSF_LOCAL;
|
s->symbol.flags |= BSF_LOCAL;
|
|
|
switch (symtype)
|
switch (symtype)
|
{
|
{
|
case BFD_MACH_O_N_UNDF:
|
case BFD_MACH_O_N_UNDF:
|
| Line 1895... |
Line 2989... |
}
|
}
|
s->symbol.section = bfd_und_section_ptr;
|
s->symbol.section = bfd_und_section_ptr;
|
}
|
}
|
break;
|
break;
|
case BFD_MACH_O_N_INDR:
|
case BFD_MACH_O_N_INDR:
|
(*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: "
|
/* FIXME: we don't follow the BFD convention as this indirect symbol
|
"symbol \"%s\" is unsupported 'indirect' reference: setting to undefined"),
|
won't be followed by the referenced one. This looks harmless
|
s->symbol.name);
|
unless we start using the linker. */
|
s->symbol.section = bfd_und_section_ptr;
|
s->symbol.flags |= BSF_INDIRECT;
|
|
s->symbol.section = bfd_ind_section_ptr;
|
|
s->symbol.value = 0;
|
break;
|
break;
|
default:
|
default:
|
(*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: "
|
(*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbol: "
|
"symbol \"%s\" specified invalid type field 0x%x: setting to undefined"),
|
"symbol \"%s\" specified invalid type field 0x%x: setting to undefined"),
|
s->symbol.name, symtype);
|
s->symbol.name, symtype);
|
s->symbol.section = bfd_und_section_ptr;
|
s->symbol.section = bfd_und_section_ptr;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
return 0;
|
return TRUE;
|
}
|
}
|
|
|
static int
|
bfd_boolean
|
bfd_mach_o_read_symtab_strtab (bfd *abfd)
|
bfd_mach_o_read_symtab_strtab (bfd *abfd)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_symtab_command *sym = mdata->symtab;
|
bfd_mach_o_symtab_command *sym = mdata->symtab;
|
|
|
/* Fail if there is no symtab. */
|
/* Fail if there is no symtab. */
|
if (sym == NULL)
|
if (sym == NULL)
|
return -1;
|
return FALSE;
|
|
|
/* Success if already loaded. */
|
/* Success if already loaded. */
|
if (sym->strtab)
|
if (sym->strtab)
|
return 0;
|
return TRUE;
|
|
|
if (abfd->flags & BFD_IN_MEMORY)
|
if (abfd->flags & BFD_IN_MEMORY)
|
{
|
{
|
struct bfd_in_memory *b;
|
struct bfd_in_memory *b;
|
|
|
b = (struct bfd_in_memory *) abfd->iostream;
|
b = (struct bfd_in_memory *) abfd->iostream;
|
|
|
if ((sym->stroff + sym->strsize) > b->size)
|
if ((sym->stroff + sym->strsize) > b->size)
|
{
|
{
|
bfd_set_error (bfd_error_file_truncated);
|
bfd_set_error (bfd_error_file_truncated);
|
return -1;
|
return FALSE;
|
}
|
}
|
sym->strtab = (char *) b->buffer + sym->stroff;
|
sym->strtab = (char *) b->buffer + sym->stroff;
|
}
|
}
|
else
|
else
|
{
|
{
|
sym->strtab = bfd_alloc (abfd, sym->strsize);
|
sym->strtab = bfd_alloc (abfd, sym->strsize);
|
if (sym->strtab == NULL)
|
if (sym->strtab == NULL)
|
return -1;
|
return FALSE;
|
|
|
if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0
|
if (bfd_seek (abfd, sym->stroff, SEEK_SET) != 0
|
|| bfd_bread ((void *) sym->strtab, sym->strsize, abfd) != sym->strsize)
|
|| bfd_bread (sym->strtab, sym->strsize, abfd) != sym->strsize)
|
{
|
{
|
bfd_set_error (bfd_error_file_truncated);
|
bfd_set_error (bfd_error_file_truncated);
|
return -1;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
return 0;
|
return TRUE;
|
}
|
}
|
|
|
static int
|
bfd_boolean
|
bfd_mach_o_read_symtab_symbols (bfd *abfd)
|
bfd_mach_o_read_symtab_symbols (bfd *abfd)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_symtab_command *sym = mdata->symtab;
|
bfd_mach_o_symtab_command *sym = mdata->symtab;
|
unsigned long i;
|
unsigned long i;
|
int ret;
|
|
|
|
if (sym == NULL || sym->symbols)
|
if (sym == NULL || sym->symbols)
|
{
|
{
|
/* Return now if there are no symbols or if already loaded. */
|
/* Return now if there are no symbols or if already loaded. */
|
return 0;
|
return TRUE;
|
}
|
}
|
|
|
sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol));
|
sym->symbols = bfd_alloc (abfd, sym->nsyms * sizeof (bfd_mach_o_asymbol));
|
|
|
if (sym->symbols == NULL)
|
if (sym->symbols == NULL)
|
{
|
{
|
(*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols"));
|
(*_bfd_error_handler) (_("bfd_mach_o_read_symtab_symbols: unable to allocate memory for symbols"));
|
return -1;
|
return FALSE;
|
}
|
}
|
|
|
ret = bfd_mach_o_read_symtab_strtab (abfd);
|
if (!bfd_mach_o_read_symtab_strtab (abfd))
|
if (ret != 0)
|
return FALSE;
|
return ret;
|
|
|
|
for (i = 0; i < sym->nsyms; i++)
|
for (i = 0; i < sym->nsyms; i++)
|
{
|
{
|
ret = bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i);
|
if (!bfd_mach_o_read_symtab_symbol (abfd, sym, &sym->symbols[i], i))
|
if (ret != 0)
|
return FALSE;
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
bfd_mach_o_read_dysymtab_symbol (bfd *abfd,
|
|
bfd_mach_o_dysymtab_command *dysym,
|
|
bfd_mach_o_symtab_command *sym,
|
|
bfd_mach_o_asymbol *s,
|
|
unsigned long i)
|
|
{
|
|
unsigned long isymoff = dysym->indirectsymoff + (i * 4);
|
|
unsigned long sym_index;
|
|
unsigned char raw[4];
|
|
|
|
BFD_ASSERT (i < dysym->nindirectsyms);
|
|
|
|
if (bfd_seek (abfd, isymoff, SEEK_SET) != 0
|
|
|| bfd_bread (raw, sizeof (raw), abfd) != sizeof (raw))
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("bfd_mach_o_read_dysymtab_symbol: unable to read %lu bytes at %lu"),
|
|
(unsigned long) sizeof (raw), isymoff);
|
|
return -1;
|
|
}
|
}
|
sym_index = bfd_h_get_32 (abfd, raw);
|
|
|
|
return bfd_mach_o_read_symtab_symbol (abfd, sym, s, sym_index);
|
return TRUE;
|
}
|
}
|
|
|
static const char *
|
static const char *
|
bfd_mach_o_i386_flavour_string (unsigned int flavour)
|
bfd_mach_o_i386_flavour_string (unsigned int flavour)
|
{
|
{
|
| Line 2095... |
Line 3162... |
{
|
{
|
case BFD_MACH_O_LC_LOAD_DYLIB:
|
case BFD_MACH_O_LC_LOAD_DYLIB:
|
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
|
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
|
case BFD_MACH_O_LC_ID_DYLIB:
|
case BFD_MACH_O_LC_ID_DYLIB:
|
case BFD_MACH_O_LC_REEXPORT_DYLIB:
|
case BFD_MACH_O_LC_REEXPORT_DYLIB:
|
|
case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB:
|
break;
|
break;
|
default:
|
default:
|
BFD_FAIL ();
|
BFD_FAIL ();
|
return -1;
|
return -1;
|
}
|
}
|
| Line 2132... |
Line 3200... |
BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB);
|
BFD_ASSERT (command->type == BFD_MACH_O_LC_PREBOUND_DYLIB);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static int
|
static int
|
|
bfd_mach_o_read_fvmlib (bfd *abfd, bfd_mach_o_load_command *command)
|
|
{
|
|
bfd_mach_o_fvmlib_command *fvm = &command->command.fvmlib;
|
|
struct mach_o_fvmlib_command_external raw;
|
|
unsigned int nameoff;
|
|
|
|
if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
|
|
|| bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
|
|
return -1;
|
|
|
|
nameoff = bfd_h_get_32 (abfd, raw.name);
|
|
fvm->minor_version = bfd_h_get_32 (abfd, raw.minor_version);
|
|
fvm->header_addr = bfd_h_get_32 (abfd, raw.header_addr);
|
|
|
|
fvm->name_offset = command->offset + nameoff;
|
|
fvm->name_len = command->len - nameoff;
|
|
fvm->name_str = bfd_alloc (abfd, fvm->name_len);
|
|
if (fvm->name_str == NULL)
|
|
return -1;
|
|
if (bfd_seek (abfd, fvm->name_offset, SEEK_SET) != 0
|
|
|| bfd_bread (fvm->name_str, fvm->name_len, abfd) != fvm->name_len)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command)
|
bfd_mach_o_read_thread (bfd *abfd, bfd_mach_o_load_command *command)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_thread_command *cmd = &command->command.thread;
|
bfd_mach_o_thread_command *cmd = &command->command.thread;
|
unsigned int offset;
|
unsigned int offset;
|
| Line 2544... |
Line 3638... |
cmd->min = ver;
|
cmd->min = ver;
|
cmd->reserved = bfd_get_32 (abfd, raw.reserved);
|
cmd->reserved = bfd_get_32 (abfd, raw.reserved);
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
|
static bfd_boolean
|
|
bfd_mach_o_read_encryption_info (bfd *abfd, bfd_mach_o_load_command *command)
|
|
{
|
|
bfd_mach_o_encryption_info_command *cmd = &command->command.encryption_info;
|
|
struct mach_o_encryption_info_command_external raw;
|
|
|
|
if (bfd_seek (abfd, command->offset + BFD_MACH_O_LC_SIZE, SEEK_SET) != 0
|
|
|| bfd_bread (&raw, sizeof (raw), abfd) != sizeof (raw))
|
|
return FALSE;
|
|
|
|
cmd->cryptoff = bfd_get_32 (abfd, raw.cryptoff);
|
|
cmd->cryptsize = bfd_get_32 (abfd, raw.cryptsize);
|
|
cmd->cryptid = bfd_get_32 (abfd, raw.cryptid);
|
|
return TRUE;
|
|
}
|
|
|
static int
|
static int
|
bfd_mach_o_read_segment (bfd *abfd,
|
bfd_mach_o_read_segment (bfd *abfd,
|
bfd_mach_o_load_command *command,
|
bfd_mach_o_load_command *command,
|
unsigned int wide)
|
unsigned int wide)
|
{
|
{
|
| Line 2679... |
Line 3789... |
break;
|
break;
|
case BFD_MACH_O_LC_LOAD_DYLIB:
|
case BFD_MACH_O_LC_LOAD_DYLIB:
|
case BFD_MACH_O_LC_ID_DYLIB:
|
case BFD_MACH_O_LC_ID_DYLIB:
|
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
|
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
|
case BFD_MACH_O_LC_REEXPORT_DYLIB:
|
case BFD_MACH_O_LC_REEXPORT_DYLIB:
|
|
case BFD_MACH_O_LC_LOAD_UPWARD_DYLIB:
|
if (bfd_mach_o_read_dylib (abfd, command) != 0)
|
if (bfd_mach_o_read_dylib (abfd, command) != 0)
|
return -1;
|
return -1;
|
break;
|
break;
|
case BFD_MACH_O_LC_PREBOUND_DYLIB:
|
case BFD_MACH_O_LC_PREBOUND_DYLIB:
|
if (bfd_mach_o_read_prebound_dylib (abfd, command) != 0)
|
if (bfd_mach_o_read_prebound_dylib (abfd, command) != 0)
|
return -1;
|
return -1;
|
break;
|
break;
|
case BFD_MACH_O_LC_LOADFVMLIB:
|
case BFD_MACH_O_LC_LOADFVMLIB:
|
case BFD_MACH_O_LC_IDFVMLIB:
|
case BFD_MACH_O_LC_IDFVMLIB:
|
|
if (bfd_mach_o_read_fvmlib (abfd, command) != 0)
|
|
return -1;
|
|
break;
|
case BFD_MACH_O_LC_IDENT:
|
case BFD_MACH_O_LC_IDENT:
|
case BFD_MACH_O_LC_FVMFILE:
|
case BFD_MACH_O_LC_FVMFILE:
|
case BFD_MACH_O_LC_PREPAGE:
|
case BFD_MACH_O_LC_PREPAGE:
|
case BFD_MACH_O_LC_ROUTINES:
|
case BFD_MACH_O_LC_ROUTINES:
|
case BFD_MACH_O_LC_ROUTINES_64:
|
case BFD_MACH_O_LC_ROUTINES_64:
|
| Line 2719... |
Line 3833... |
case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
|
case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
|
case BFD_MACH_O_LC_FUNCTION_STARTS:
|
case BFD_MACH_O_LC_FUNCTION_STARTS:
|
if (bfd_mach_o_read_linkedit (abfd, command) != 0)
|
if (bfd_mach_o_read_linkedit (abfd, command) != 0)
|
return -1;
|
return -1;
|
break;
|
break;
|
|
case BFD_MACH_O_LC_ENCRYPTION_INFO:
|
|
if (!bfd_mach_o_read_encryption_info (abfd, command))
|
|
return -1;
|
|
break;
|
case BFD_MACH_O_LC_DYLD_INFO:
|
case BFD_MACH_O_LC_DYLD_INFO:
|
if (bfd_mach_o_read_dyld_info (abfd, command) != 0)
|
if (bfd_mach_o_read_dyld_info (abfd, command) != 0)
|
return -1;
|
return -1;
|
break;
|
break;
|
case BFD_MACH_O_LC_VERSION_MIN_MACOSX:
|
case BFD_MACH_O_LC_VERSION_MIN_MACOSX:
|
case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS:
|
case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS:
|
if (!bfd_mach_o_read_version_min (abfd, command))
|
if (!bfd_mach_o_read_version_min (abfd, command))
|
return -1;
|
return -1;
|
break;
|
break;
|
default:
|
default:
|
(*_bfd_error_handler) (_("unable to read unknown load command 0x%lx"),
|
(*_bfd_error_handler)(_("%B: unknown load command 0x%lx"),
|
(unsigned long) command->type);
|
abfd, (unsigned long) command->type);
|
break;
|
break;
|
}
|
}
|
|
|
return 0;
|
return 0;
|
}
|
}
|
| Line 2783... |
Line 3901... |
mdata->sections[csect++] = sec;
|
mdata->sections[csect++] = sec;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
int
|
static bfd_boolean
|
bfd_mach_o_scan_start_address (bfd *abfd)
|
bfd_mach_o_scan_start_address (bfd *abfd)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
bfd_mach_o_thread_command *cmd = NULL;
|
bfd_mach_o_thread_command *cmd = NULL;
|
unsigned long i;
|
unsigned long i;
|
|
|
for (i = 0; i < mdata->header.ncmds; i++)
|
for (i = 0; i < mdata->header.ncmds; i++)
|
{
|
|
if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) ||
|
if ((mdata->commands[i].type == BFD_MACH_O_LC_THREAD) ||
|
(mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD))
|
(mdata->commands[i].type == BFD_MACH_O_LC_UNIXTHREAD))
|
{
|
{
|
if (cmd == NULL)
|
|
cmd = &mdata->commands[i].command.thread;
|
cmd = &mdata->commands[i].command.thread;
|
else
|
break;
|
return 0;
|
|
}
|
|
}
|
}
|
|
|
if (cmd == NULL)
|
if (cmd == NULL)
|
return 0;
|
return FALSE;
|
|
|
|
/* FIXME: create a subtarget hook ? */
|
for (i = 0; i < cmd->nflavours; i++)
|
for (i = 0; i < cmd->nflavours; i++)
|
{
|
{
|
if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386)
|
if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_I386)
|
&& (cmd->flavours[i].flavour
|
&& (cmd->flavours[i].flavour
|
== (unsigned long) BFD_MACH_O_x86_THREAD_STATE32))
|
== (unsigned long) BFD_MACH_O_x86_THREAD_STATE32))
|
{
|
{
|
unsigned char buf[4];
|
unsigned char buf[4];
|
|
|
if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0
|
if (bfd_seek (abfd, cmd->flavours[i].offset + 40, SEEK_SET) != 0
|
|| bfd_bread (buf, 4, abfd) != 4)
|
|| bfd_bread (buf, 4, abfd) != 4)
|
return -1;
|
return FALSE;
|
|
|
abfd->start_address = bfd_h_get_32 (abfd, buf);
|
abfd->start_address = bfd_h_get_32 (abfd, buf);
|
}
|
}
|
else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC)
|
else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC)
|
&& (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE))
|
&& (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE))
|
{
|
{
|
unsigned char buf[4];
|
unsigned char buf[4];
|
|
|
if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
|
if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
|
|| bfd_bread (buf, 4, abfd) != 4)
|
|| bfd_bread (buf, 4, abfd) != 4)
|
return -1;
|
return FALSE;
|
|
|
abfd->start_address = bfd_h_get_32 (abfd, buf);
|
abfd->start_address = bfd_h_get_32 (abfd, buf);
|
}
|
}
|
else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64)
|
else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_POWERPC_64)
|
&& (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64))
|
&& (cmd->flavours[i].flavour == BFD_MACH_O_PPC_THREAD_STATE64))
|
{
|
{
|
unsigned char buf[8];
|
unsigned char buf[8];
|
|
|
if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
|
if (bfd_seek (abfd, cmd->flavours[i].offset + 0, SEEK_SET) != 0
|
|| bfd_bread (buf, 8, abfd) != 8)
|
|| bfd_bread (buf, 8, abfd) != 8)
|
return -1;
|
return FALSE;
|
|
|
abfd->start_address = bfd_h_get_64 (abfd, buf);
|
abfd->start_address = bfd_h_get_64 (abfd, buf);
|
}
|
}
|
else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64)
|
else if ((mdata->header.cputype == BFD_MACH_O_CPU_TYPE_X86_64)
|
&& (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64))
|
&& (cmd->flavours[i].flavour == BFD_MACH_O_x86_THREAD_STATE64))
|
{
|
{
|
unsigned char buf[8];
|
unsigned char buf[8];
|
|
|
if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0
|
if (bfd_seek (abfd, cmd->flavours[i].offset + (16 * 8), SEEK_SET) != 0
|
|| bfd_bread (buf, 8, abfd) != 8)
|
|| bfd_bread (buf, 8, abfd) != 8)
|
return -1;
|
return FALSE;
|
|
|
abfd->start_address = bfd_h_get_64 (abfd, buf);
|
abfd->start_address = bfd_h_get_64 (abfd, buf);
|
}
|
}
|
}
|
}
|
|
|
return 0;
|
return TRUE;
|
}
|
}
|
|
|
bfd_boolean
|
bfd_boolean
|
bfd_mach_o_set_arch_mach (bfd *abfd,
|
bfd_mach_o_set_arch_mach (bfd *abfd,
|
enum bfd_architecture arch,
|
enum bfd_architecture arch,
|
| Line 2874... |
Line 3989... |
return FALSE;
|
return FALSE;
|
|
|
return bfd_default_set_arch_mach (abfd, arch, machine);
|
return bfd_default_set_arch_mach (abfd, arch, machine);
|
}
|
}
|
|
|
int
|
static bfd_boolean
|
bfd_mach_o_scan (bfd *abfd,
|
bfd_mach_o_scan (bfd *abfd,
|
bfd_mach_o_header *header,
|
bfd_mach_o_header *header,
|
bfd_mach_o_data_struct *mdata)
|
bfd_mach_o_data_struct *mdata)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
| Line 2910... |
Line 4025... |
|
|
bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype,
|
bfd_mach_o_convert_architecture (header->cputype, header->cpusubtype,
|
&cputype, &cpusubtype);
|
&cputype, &cpusubtype);
|
if (cputype == bfd_arch_unknown)
|
if (cputype == bfd_arch_unknown)
|
{
|
{
|
(*_bfd_error_handler) (_("bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx"),
|
(*_bfd_error_handler)
|
|
(_("bfd_mach_o_scan: unknown architecture 0x%lx/0x%lx"),
|
header->cputype, header->cpusubtype);
|
header->cputype, header->cpusubtype);
|
return -1;
|
return FALSE;
|
}
|
}
|
|
|
bfd_set_arch_mach (abfd, cputype, cpusubtype);
|
bfd_set_arch_mach (abfd, cputype, cpusubtype);
|
|
|
if (header->ncmds != 0)
|
if (header->ncmds != 0)
|
{
|
{
|
mdata->commands = bfd_alloc
|
mdata->commands = bfd_alloc
|
(abfd, header->ncmds * sizeof (bfd_mach_o_load_command));
|
(abfd, header->ncmds * sizeof (bfd_mach_o_load_command));
|
if (mdata->commands == NULL)
|
if (mdata->commands == NULL)
|
return -1;
|
return FALSE;
|
|
|
for (i = 0; i < header->ncmds; i++)
|
for (i = 0; i < header->ncmds; i++)
|
{
|
{
|
bfd_mach_o_load_command *cur = &mdata->commands[i];
|
bfd_mach_o_load_command *cur = &mdata->commands[i];
|
|
|
| Line 2937... |
Line 4053... |
bfd_mach_o_load_command *prev = &mdata->commands[i - 1];
|
bfd_mach_o_load_command *prev = &mdata->commands[i - 1];
|
cur->offset = prev->offset + prev->len;
|
cur->offset = prev->offset + prev->len;
|
}
|
}
|
|
|
if (bfd_mach_o_read_command (abfd, cur) < 0)
|
if (bfd_mach_o_read_command (abfd, cur) < 0)
|
return -1;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
if (bfd_mach_o_scan_start_address (abfd) < 0)
|
if (bfd_mach_o_scan_start_address (abfd) < 0)
|
return -1;
|
return FALSE;
|
|
|
bfd_mach_o_flatten_sections (abfd);
|
bfd_mach_o_flatten_sections (abfd);
|
return 0;
|
return TRUE;
|
}
|
}
|
|
|
bfd_boolean
|
bfd_boolean
|
bfd_mach_o_mkobject_init (bfd *abfd)
|
bfd_mach_o_mkobject_init (bfd *abfd)
|
{
|
{
|
| Line 2969... |
Line 4085... |
mdata->header.flags = 0;
|
mdata->header.flags = 0;
|
mdata->header.byteorder = BFD_ENDIAN_UNKNOWN;
|
mdata->header.byteorder = BFD_ENDIAN_UNKNOWN;
|
mdata->commands = NULL;
|
mdata->commands = NULL;
|
mdata->nsects = 0;
|
mdata->nsects = 0;
|
mdata->sections = NULL;
|
mdata->sections = NULL;
|
|
mdata->dyn_reloc_cache = NULL;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
static bfd_boolean
|
static bfd_boolean
|
| Line 3027... |
Line 4144... |
if (cputype)
|
if (cputype)
|
{
|
{
|
if (header.cputype != cputype)
|
if (header.cputype != cputype)
|
goto wrong;
|
goto wrong;
|
}
|
}
|
else
|
|
{
|
|
switch (header.cputype)
|
|
{
|
|
case BFD_MACH_O_CPU_TYPE_I386:
|
|
/* Handled by mach-o-i386 */
|
|
goto wrong;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
if (filetype)
|
if (filetype)
|
{
|
{
|
if (header.filetype != filetype)
|
if (header.filetype != filetype)
|
goto wrong;
|
goto wrong;
|
}
|
}
|
| Line 3060... |
Line 4167... |
preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct));
|
preserve.marker = bfd_zalloc (abfd, sizeof (bfd_mach_o_data_struct));
|
if (preserve.marker == NULL
|
if (preserve.marker == NULL
|
|| !bfd_preserve_save (abfd, &preserve))
|
|| !bfd_preserve_save (abfd, &preserve))
|
goto fail;
|
goto fail;
|
|
|
if (bfd_mach_o_scan (abfd, &header,
|
if (!bfd_mach_o_scan (abfd, &header,
|
(bfd_mach_o_data_struct *) preserve.marker) != 0)
|
(bfd_mach_o_data_struct *) preserve.marker))
|
goto wrong;
|
goto wrong;
|
|
|
bfd_preserve_finish (abfd, &preserve);
|
bfd_preserve_finish (abfd, &preserve);
|
return abfd->xvec;
|
return abfd->xvec;
|
|
|
| Line 3156... |
Line 4263... |
bfd_release (abfd, adata);
|
bfd_release (abfd, adata);
|
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
|
/* Set the filename for a fat binary member ABFD, whose bfd architecture is
|
|
ARCH_TYPE/ARCH_SUBTYPE and corresponding entry in header is ENTRY.
|
|
Set arelt_data and origin fields too. */
|
|
|
|
static void
|
|
bfd_mach_o_fat_member_init (bfd *abfd,
|
|
enum bfd_architecture arch_type,
|
|
unsigned long arch_subtype,
|
|
mach_o_fat_archentry *entry)
|
|
{
|
|
struct areltdata *areltdata;
|
|
/* Create the member filename. Use ARCH_NAME. */
|
|
const bfd_arch_info_type *ap = bfd_lookup_arch (arch_type, arch_subtype);
|
|
|
|
if (ap)
|
|
{
|
|
/* Use the architecture name if known. */
|
|
abfd->filename = ap->printable_name;
|
|
}
|
|
else
|
|
{
|
|
/* Forge a uniq id. */
|
|
const size_t namelen = 2 + 8 + 1 + 2 + 8 + 1;
|
|
char *name = bfd_alloc (abfd, namelen);
|
|
snprintf (name, namelen, "0x%lx-0x%lx",
|
|
entry->cputype, entry->cpusubtype);
|
|
abfd->filename = name;
|
|
}
|
|
|
|
areltdata = bfd_zalloc (abfd, sizeof (struct areltdata));
|
|
areltdata->parsed_size = entry->size;
|
|
abfd->arelt_data = areltdata;
|
|
abfd->iostream = NULL;
|
|
abfd->origin = entry->offset;
|
|
}
|
|
|
bfd *
|
bfd *
|
bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev)
|
bfd_mach_o_openr_next_archived_file (bfd *archive, bfd *prev)
|
{
|
{
|
mach_o_fat_data_struct *adata;
|
mach_o_fat_data_struct *adata;
|
mach_o_fat_archentry *entry = NULL;
|
mach_o_fat_archentry *entry = NULL;
|
| Line 3171... |
Line 4314... |
adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data;
|
adata = (mach_o_fat_data_struct *) archive->tdata.mach_o_fat_data;
|
BFD_ASSERT (adata != NULL);
|
BFD_ASSERT (adata != NULL);
|
|
|
/* Find index of previous entry. */
|
/* Find index of previous entry. */
|
if (prev == NULL)
|
if (prev == NULL)
|
i = 0; /* Start at first one. */
|
{
|
|
/* Start at first one. */
|
|
i = 0;
|
|
}
|
else
|
else
|
{
|
{
|
|
/* Find index of PREV. */
|
for (i = 0; i < adata->nfat_arch; i++)
|
for (i = 0; i < adata->nfat_arch; i++)
|
{
|
{
|
if (adata->archentries[i].offset == prev->origin)
|
if (adata->archentries[i].offset == prev->origin)
|
break;
|
break;
|
}
|
}
|
| Line 3186... |
Line 4333... |
{
|
{
|
/* Not found. */
|
/* Not found. */
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return NULL;
|
return NULL;
|
}
|
}
|
i++; /* Get next entry. */
|
|
|
/* Get next entry. */
|
|
i++;
|
}
|
}
|
|
|
if (i >= adata->nfat_arch)
|
if (i >= adata->nfat_arch)
|
{
|
{
|
bfd_set_error (bfd_error_no_more_archived_files);
|
bfd_set_error (bfd_error_no_more_archived_files);
|
| Line 3200... |
Line 4349... |
entry = &adata->archentries[i];
|
entry = &adata->archentries[i];
|
nbfd = _bfd_new_bfd_contained_in (archive);
|
nbfd = _bfd_new_bfd_contained_in (archive);
|
if (nbfd == NULL)
|
if (nbfd == NULL)
|
return NULL;
|
return NULL;
|
|
|
nbfd->origin = entry->offset;
|
|
|
|
bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype,
|
bfd_mach_o_convert_architecture (entry->cputype, entry->cpusubtype,
|
&arch_type, &arch_subtype);
|
&arch_type, &arch_subtype);
|
/* Create the member filename.
|
|
Use FILENAME:ARCH_NAME. */
|
|
{
|
|
char *s = NULL;
|
|
const char *arch_name;
|
|
size_t arch_file_len = strlen (bfd_get_filename (archive));
|
|
|
|
arch_name = bfd_printable_arch_mach (arch_type, arch_subtype);
|
bfd_mach_o_fat_member_init (nbfd, arch_type, arch_subtype, entry);
|
s = bfd_malloc (arch_file_len + 1 + strlen (arch_name) + 1);
|
|
if (s == NULL)
|
|
return NULL;
|
|
memcpy (s, bfd_get_filename (archive), arch_file_len);
|
|
s[arch_file_len] = ':';
|
|
strcpy (s + arch_file_len + 1, arch_name);
|
|
nbfd->filename = s;
|
|
}
|
|
nbfd->iostream = NULL;
|
|
bfd_set_arch_mach (nbfd, arch_type, arch_subtype);
|
bfd_set_arch_mach (nbfd, arch_type, arch_subtype);
|
|
|
return nbfd;
|
return nbfd;
|
}
|
}
|
|
|
|
/* Analogous to stat call. */
|
|
|
|
static int
|
|
bfd_mach_o_fat_stat_arch_elt (bfd *abfd, struct stat *buf)
|
|
{
|
|
if (abfd->arelt_data == NULL)
|
|
{
|
|
bfd_set_error (bfd_error_invalid_operation);
|
|
return -1;
|
|
}
|
|
|
|
buf->st_mtime = 0;
|
|
buf->st_uid = 0;
|
|
buf->st_gid = 0;
|
|
buf->st_mode = 0644;
|
|
buf->st_size = arelt_size (abfd);
|
|
|
|
return 0;
|
|
}
|
|
|
/* If ABFD format is FORMAT and architecture is ARCH, return it.
|
/* If ABFD format is FORMAT and architecture is ARCH, return it.
|
If ABFD is a fat image containing a member that corresponds to FORMAT
|
If ABFD is a fat image containing a member that corresponds to FORMAT
|
and ARCH, returns it.
|
and ARCH, returns it.
|
In other case, returns NULL.
|
In other case, returns NULL.
|
This function allows transparent uses of fat images. */
|
This function allows transparent uses of fat images. */
|
|
|
bfd *
|
bfd *
|
bfd_mach_o_fat_extract (bfd *abfd,
|
bfd_mach_o_fat_extract (bfd *abfd,
|
bfd_format format,
|
bfd_format format,
|
const bfd_arch_info_type *arch)
|
const bfd_arch_info_type *arch)
|
{
|
{
|
| Line 3251... |
Line 4405... |
if (!bfd_check_format (abfd, bfd_archive)
|
if (!bfd_check_format (abfd, bfd_archive)
|
|| abfd->xvec != &mach_o_fat_vec)
|
|| abfd->xvec != &mach_o_fat_vec)
|
return NULL;
|
return NULL;
|
|
|
/* This is a Mach-O fat image. */
|
/* This is a Mach-O fat image. */
|
adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data;
|
adata = (mach_o_fat_data_struct *) abfd->tdata.mach_o_fat_data;
|
BFD_ASSERT (adata != NULL);
|
BFD_ASSERT (adata != NULL);
|
|
|
for (i = 0; i < adata->nfat_arch; i++)
|
|
{
|
|
struct mach_o_fat_archentry *e = &adata->archentries[i];
|
|
enum bfd_architecture cpu_type;
|
|
unsigned long cpu_subtype;
|
|
|
|
bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype,
|
|
&cpu_type, &cpu_subtype);
|
|
if (cpu_type != arch->arch || cpu_subtype != arch->mach)
|
|
continue;
|
|
|
|
/* The architecture is found. */
|
|
res = _bfd_new_bfd_contained_in (abfd);
|
|
if (res == NULL)
|
|
return NULL;
|
|
|
|
res->origin = e->offset;
|
|
|
|
res->filename = strdup (abfd->filename);
|
|
res->iostream = NULL;
|
|
|
|
if (bfd_check_format (res, format))
|
|
{
|
|
BFD_ASSERT (bfd_get_arch_info (res) == arch);
|
|
return res;
|
|
}
|
|
bfd_close (res);
|
|
return NULL;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int
|
|
bfd_mach_o_lookup_command (bfd *abfd,
|
|
bfd_mach_o_load_command_type type,
|
|
bfd_mach_o_load_command **mcommand)
|
|
{
|
|
struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
|
|
bfd_mach_o_load_command *ncmd = NULL;
|
|
unsigned int i, num;
|
|
|
|
BFD_ASSERT (md != NULL);
|
|
BFD_ASSERT (mcommand != NULL);
|
|
|
|
num = 0;
|
|
for (i = 0; i < md->header.ncmds; i++)
|
|
{
|
|
struct bfd_mach_o_load_command *cmd = &md->commands[i];
|
|
|
|
if (cmd->type != type)
|
|
continue;
|
|
|
|
if (num == 0)
|
|
ncmd = cmd;
|
|
num++;
|
|
}
|
|
|
|
*mcommand = ncmd;
|
|
return num;
|
|
}
|
|
|
|
unsigned long
|
|
bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type)
|
|
{
|
|
switch (type)
|
|
{
|
|
case BFD_MACH_O_CPU_TYPE_MC680x0:
|
|
return 0x04000000;
|
|
case BFD_MACH_O_CPU_TYPE_MC88000:
|
|
return 0xffffe000;
|
|
case BFD_MACH_O_CPU_TYPE_POWERPC:
|
|
return 0xc0000000;
|
|
case BFD_MACH_O_CPU_TYPE_I386:
|
|
return 0xc0000000;
|
|
case BFD_MACH_O_CPU_TYPE_SPARC:
|
|
return 0xf0000000;
|
|
case BFD_MACH_O_CPU_TYPE_I860:
|
|
return 0;
|
|
case BFD_MACH_O_CPU_TYPE_HPPA:
|
|
return 0xc0000000 - 0x04000000;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
typedef struct bfd_mach_o_xlat_name
|
|
{
|
|
const char *name;
|
|
unsigned long val;
|
|
}
|
|
bfd_mach_o_xlat_name;
|
|
|
|
static void
|
|
bfd_mach_o_print_flags (const bfd_mach_o_xlat_name *table,
|
|
unsigned long val,
|
|
FILE *file)
|
|
{
|
|
int first = 1;
|
|
|
|
for (; table->name; table++)
|
|
{
|
|
if (table->val & val)
|
|
{
|
|
if (!first)
|
|
fprintf (file, "+");
|
|
fprintf (file, "%s", table->name);
|
|
val &= ~table->val;
|
|
first = 0;
|
|
}
|
|
}
|
|
if (val)
|
|
{
|
|
if (!first)
|
|
fprintf (file, "+");
|
|
fprintf (file, "0x%lx", val);
|
|
return;
|
|
}
|
|
if (first)
|
|
fprintf (file, "-");
|
|
}
|
|
|
|
static const char *
|
|
bfd_mach_o_get_name_or_null (const bfd_mach_o_xlat_name *table,
|
|
unsigned long val)
|
|
{
|
|
for (; table->name; table++)
|
|
if (table->val == val)
|
|
return table->name;
|
|
return NULL;
|
|
}
|
|
|
|
static const char *
|
|
bfd_mach_o_get_name (const bfd_mach_o_xlat_name *table, unsigned long val)
|
|
{
|
|
const char *res = bfd_mach_o_get_name_or_null (table, val);
|
|
|
|
if (res == NULL)
|
|
return "*UNKNOWN*";
|
|
else
|
|
return res;
|
|
}
|
|
|
|
static bfd_mach_o_xlat_name bfd_mach_o_cpu_name[] =
|
|
{
|
|
{ "vax", BFD_MACH_O_CPU_TYPE_VAX },
|
|
{ "mc680x0", BFD_MACH_O_CPU_TYPE_MC680x0 },
|
|
{ "i386", BFD_MACH_O_CPU_TYPE_I386 },
|
|
{ "mips", BFD_MACH_O_CPU_TYPE_MIPS },
|
|
{ "mc98000", BFD_MACH_O_CPU_TYPE_MC98000 },
|
|
{ "hppa", BFD_MACH_O_CPU_TYPE_HPPA },
|
|
{ "arm", BFD_MACH_O_CPU_TYPE_ARM },
|
|
{ "mc88000", BFD_MACH_O_CPU_TYPE_MC88000 },
|
|
{ "sparc", BFD_MACH_O_CPU_TYPE_SPARC },
|
|
{ "i860", BFD_MACH_O_CPU_TYPE_I860 },
|
|
{ "alpha", BFD_MACH_O_CPU_TYPE_ALPHA },
|
|
{ "powerpc", BFD_MACH_O_CPU_TYPE_POWERPC },
|
|
{ "powerpc_64", BFD_MACH_O_CPU_TYPE_POWERPC_64 },
|
|
{ "x86_64", BFD_MACH_O_CPU_TYPE_X86_64 },
|
|
{ NULL, 0}
|
|
};
|
|
|
|
static bfd_mach_o_xlat_name bfd_mach_o_filetype_name[] =
|
|
{
|
|
{ "object", BFD_MACH_O_MH_OBJECT },
|
|
{ "execute", BFD_MACH_O_MH_EXECUTE },
|
|
{ "fvmlib", BFD_MACH_O_MH_FVMLIB },
|
|
{ "core", BFD_MACH_O_MH_CORE },
|
|
{ "preload", BFD_MACH_O_MH_PRELOAD },
|
|
{ "dylib", BFD_MACH_O_MH_DYLIB },
|
|
{ "dylinker", BFD_MACH_O_MH_DYLINKER },
|
|
{ "bundle", BFD_MACH_O_MH_BUNDLE },
|
|
{ "dylib_stub", BFD_MACH_O_MH_DYLIB_STUB },
|
|
{ "dym", BFD_MACH_O_MH_DSYM },
|
|
{ "kext_bundle", BFD_MACH_O_MH_KEXT_BUNDLE },
|
|
{ NULL, 0}
|
|
};
|
|
|
|
static bfd_mach_o_xlat_name bfd_mach_o_header_flags_name[] =
|
|
{
|
|
{ "noundefs", BFD_MACH_O_MH_NOUNDEFS },
|
|
{ "incrlink", BFD_MACH_O_MH_INCRLINK },
|
|
{ "dyldlink", BFD_MACH_O_MH_DYLDLINK },
|
|
{ "bindatload", BFD_MACH_O_MH_BINDATLOAD },
|
|
{ "prebound", BFD_MACH_O_MH_PREBOUND },
|
|
{ "split_segs", BFD_MACH_O_MH_SPLIT_SEGS },
|
|
{ "lazy_init", BFD_MACH_O_MH_LAZY_INIT },
|
|
{ "twolevel", BFD_MACH_O_MH_TWOLEVEL },
|
|
{ "force_flat", BFD_MACH_O_MH_FORCE_FLAT },
|
|
{ "nomultidefs", BFD_MACH_O_MH_NOMULTIDEFS },
|
|
{ "nofixprebinding", BFD_MACH_O_MH_NOFIXPREBINDING },
|
|
{ "prebindable", BFD_MACH_O_MH_PREBINDABLE },
|
|
{ "allmodsbound", BFD_MACH_O_MH_ALLMODSBOUND },
|
|
{ "subsections_via_symbols", BFD_MACH_O_MH_SUBSECTIONS_VIA_SYMBOLS },
|
|
{ "canonical", BFD_MACH_O_MH_CANONICAL },
|
|
{ "weak_defines", BFD_MACH_O_MH_WEAK_DEFINES },
|
|
{ "binds_to_weak", BFD_MACH_O_MH_BINDS_TO_WEAK },
|
|
{ "allow_stack_execution", BFD_MACH_O_MH_ALLOW_STACK_EXECUTION },
|
|
{ "root_safe", BFD_MACH_O_MH_ROOT_SAFE },
|
|
{ "setuid_safe", BFD_MACH_O_MH_SETUID_SAFE },
|
|
{ "no_reexported_dylibs", BFD_MACH_O_MH_NO_REEXPORTED_DYLIBS },
|
|
{ "pie", BFD_MACH_O_MH_PIE },
|
|
{ NULL, 0}
|
|
};
|
|
|
|
static bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] =
|
|
{
|
|
{ "regular", BFD_MACH_O_S_REGULAR},
|
|
{ "zerofill", BFD_MACH_O_S_ZEROFILL},
|
|
{ "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS},
|
|
{ "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS},
|
|
{ "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS},
|
|
{ "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS},
|
|
{ "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS},
|
|
{ "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS},
|
|
{ "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS},
|
|
{ "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS},
|
|
{ "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS},
|
|
{ "coalesced", BFD_MACH_O_S_COALESCED},
|
|
{ "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL},
|
|
{ "interposing", BFD_MACH_O_S_INTERPOSING},
|
|
{ "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS},
|
|
{ "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF},
|
|
{ "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS},
|
|
{ NULL, 0}
|
|
};
|
|
|
|
static bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] =
|
|
{
|
|
{ "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC },
|
|
{ "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC },
|
|
{ "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS },
|
|
{ "debug", BFD_MACH_O_S_ATTR_DEBUG },
|
|
{ "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE },
|
|
{ "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT },
|
|
{ "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP },
|
|
{ "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS },
|
|
{ "no_toc", BFD_MACH_O_S_ATTR_NO_TOC },
|
|
{ "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS },
|
|
{ NULL, 0}
|
|
};
|
|
|
|
static bfd_mach_o_xlat_name bfd_mach_o_load_command_name[] =
|
|
{
|
|
{ "segment", BFD_MACH_O_LC_SEGMENT},
|
|
{ "symtab", BFD_MACH_O_LC_SYMTAB},
|
|
{ "symseg", BFD_MACH_O_LC_SYMSEG},
|
|
{ "thread", BFD_MACH_O_LC_THREAD},
|
|
{ "unixthread", BFD_MACH_O_LC_UNIXTHREAD},
|
|
{ "loadfvmlib", BFD_MACH_O_LC_LOADFVMLIB},
|
|
{ "idfvmlib", BFD_MACH_O_LC_IDFVMLIB},
|
|
{ "ident", BFD_MACH_O_LC_IDENT},
|
|
{ "fvmfile", BFD_MACH_O_LC_FVMFILE},
|
|
{ "prepage", BFD_MACH_O_LC_PREPAGE},
|
|
{ "dysymtab", BFD_MACH_O_LC_DYSYMTAB},
|
|
{ "load_dylib", BFD_MACH_O_LC_LOAD_DYLIB},
|
|
{ "id_dylib", BFD_MACH_O_LC_ID_DYLIB},
|
|
{ "load_dylinker", BFD_MACH_O_LC_LOAD_DYLINKER},
|
|
{ "id_dylinker", BFD_MACH_O_LC_ID_DYLINKER},
|
|
{ "prebound_dylib", BFD_MACH_O_LC_PREBOUND_DYLIB},
|
|
{ "routines", BFD_MACH_O_LC_ROUTINES},
|
|
{ "sub_framework", BFD_MACH_O_LC_SUB_FRAMEWORK},
|
|
{ "sub_umbrella", BFD_MACH_O_LC_SUB_UMBRELLA},
|
|
{ "sub_client", BFD_MACH_O_LC_SUB_CLIENT},
|
|
{ "sub_library", BFD_MACH_O_LC_SUB_LIBRARY},
|
|
{ "twolevel_hints", BFD_MACH_O_LC_TWOLEVEL_HINTS},
|
|
{ "prebind_cksum", BFD_MACH_O_LC_PREBIND_CKSUM},
|
|
{ "load_weak_dylib", BFD_MACH_O_LC_LOAD_WEAK_DYLIB},
|
|
{ "segment_64", BFD_MACH_O_LC_SEGMENT_64},
|
|
{ "routines_64", BFD_MACH_O_LC_ROUTINES_64},
|
|
{ "uuid", BFD_MACH_O_LC_UUID},
|
|
{ "rpath", BFD_MACH_O_LC_RPATH},
|
|
{ "code_signature", BFD_MACH_O_LC_CODE_SIGNATURE},
|
|
{ "segment_split_info", BFD_MACH_O_LC_SEGMENT_SPLIT_INFO},
|
|
{ "reexport_dylib", BFD_MACH_O_LC_REEXPORT_DYLIB},
|
|
{ "lazy_load_dylib", BFD_MACH_O_LC_LAZY_LOAD_DYLIB},
|
|
{ "encryption_info", BFD_MACH_O_LC_ENCRYPTION_INFO},
|
|
{ "dyld_info", BFD_MACH_O_LC_DYLD_INFO},
|
|
{ "load_upward_lib", BFD_MACH_O_LC_LOAD_UPWARD_DYLIB},
|
|
{ "version_min_macosx", BFD_MACH_O_LC_VERSION_MIN_MACOSX},
|
|
{ "version_min_iphoneos", BFD_MACH_O_LC_VERSION_MIN_IPHONEOS},
|
|
{ "function_starts", BFD_MACH_O_LC_FUNCTION_STARTS},
|
|
{ "dyld_environment", BFD_MACH_O_LC_DYLD_ENVIRONMENT},
|
|
{ NULL, 0}
|
|
};
|
|
|
|
/* Get the section type from NAME. Return -1 if NAME is unknown. */
|
|
|
|
unsigned int
|
|
bfd_mach_o_get_section_type_from_name (const char *name)
|
|
{
|
|
bfd_mach_o_xlat_name *x;
|
|
|
|
for (x = bfd_mach_o_section_type_name; x->name; x++)
|
|
if (strcmp (x->name, name) == 0)
|
|
return x->val;
|
|
return (unsigned int)-1;
|
|
}
|
|
|
|
/* Get the section attribute from NAME. Return -1 if NAME is unknown. */
|
|
|
|
unsigned int
|
|
bfd_mach_o_get_section_attribute_from_name (const char *name)
|
|
{
|
|
bfd_mach_o_xlat_name *x;
|
|
|
|
for (x = bfd_mach_o_section_attribute_name; x->name; x++)
|
|
if (strcmp (x->name, name) == 0)
|
|
return x->val;
|
|
return (unsigned int)-1;
|
|
}
|
|
|
|
static void
|
|
bfd_mach_o_print_private_header (bfd *abfd, FILE *file)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
bfd_mach_o_header *h = &mdata->header;
|
|
|
|
fputs (_("Mach-O header:\n"), file);
|
|
fprintf (file, _(" magic : %08lx\n"), h->magic);
|
|
fprintf (file, _(" cputype : %08lx (%s)\n"), h->cputype,
|
|
bfd_mach_o_get_name (bfd_mach_o_cpu_name, h->cputype));
|
|
fprintf (file, _(" cpusubtype: %08lx\n"), h->cpusubtype);
|
|
fprintf (file, _(" filetype : %08lx (%s)\n"),
|
|
h->filetype,
|
|
bfd_mach_o_get_name (bfd_mach_o_filetype_name, h->filetype));
|
|
fprintf (file, _(" ncmds : %08lx (%lu)\n"), h->ncmds, h->ncmds);
|
|
fprintf (file, _(" sizeofcmds: %08lx\n"), h->sizeofcmds);
|
|
fprintf (file, _(" flags : %08lx ("), h->flags);
|
|
bfd_mach_o_print_flags (bfd_mach_o_header_flags_name, h->flags, file);
|
|
fputs (_(")\n"), file);
|
|
fprintf (file, _(" reserved : %08x\n"), h->reserved);
|
|
}
|
|
|
|
static void
|
|
bfd_mach_o_print_section_map (bfd *abfd, FILE *file)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
unsigned int i;
|
|
unsigned int sec_nbr = 0;
|
|
|
|
fputs (_("Segments and Sections:\n"), file);
|
|
fputs (_(" #: Segment name Section name Address\n"), file);
|
|
|
|
for (i = 0; i < mdata->header.ncmds; i++)
|
|
{
|
|
bfd_mach_o_segment_command *seg;
|
|
bfd_mach_o_section *sec;
|
|
|
|
if (mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT
|
|
&& mdata->commands[i].type != BFD_MACH_O_LC_SEGMENT_64)
|
|
continue;
|
|
|
|
seg = &mdata->commands[i].command.segment;
|
|
|
|
fprintf (file, "[Segment %-16s ", seg->segname);
|
|
fprintf_vma (file, seg->vmaddr);
|
|
fprintf (file, "-");
|
|
fprintf_vma (file, seg->vmaddr + seg->vmsize - 1);
|
|
fputc (' ', file);
|
|
fputc (seg->initprot & BFD_MACH_O_PROT_READ ? 'r' : '-', file);
|
|
fputc (seg->initprot & BFD_MACH_O_PROT_WRITE ? 'w' : '-', file);
|
|
fputc (seg->initprot & BFD_MACH_O_PROT_EXECUTE ? 'x' : '-', file);
|
|
fprintf (file, "]\n");
|
|
|
|
for (sec = seg->sect_head; sec != NULL; sec = sec->next)
|
|
{
|
|
fprintf (file, "%02u: %-16s %-16s ", ++sec_nbr,
|
|
sec->segname, sec->sectname);
|
|
fprintf_vma (file, sec->addr);
|
|
fprintf (file, " ");
|
|
fprintf_vma (file, sec->size);
|
|
fprintf (file, " %08lx\n", sec->flags);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
bfd_mach_o_print_section (bfd *abfd ATTRIBUTE_UNUSED,
|
|
bfd_mach_o_section *sec, FILE *file)
|
|
{
|
|
fprintf (file, " Section: %-16s %-16s (bfdname: %s)\n",
|
|
sec->sectname, sec->segname, sec->bfdsection->name);
|
|
fprintf (file, " addr: ");
|
|
fprintf_vma (file, sec->addr);
|
|
fprintf (file, " size: ");
|
|
fprintf_vma (file, sec->size);
|
|
fprintf (file, " offset: ");
|
|
fprintf_vma (file, sec->offset);
|
|
fprintf (file, "\n");
|
|
fprintf (file, " align: %ld", sec->align);
|
|
fprintf (file, " nreloc: %lu reloff: ", sec->nreloc);
|
|
fprintf_vma (file, sec->reloff);
|
|
fprintf (file, "\n");
|
|
fprintf (file, " flags: %08lx (type: %s", sec->flags,
|
|
bfd_mach_o_get_name (bfd_mach_o_section_type_name,
|
|
sec->flags & BFD_MACH_O_SECTION_TYPE_MASK));
|
|
fprintf (file, " attr: ");
|
|
bfd_mach_o_print_flags (bfd_mach_o_section_attribute_name,
|
|
sec->flags & BFD_MACH_O_SECTION_ATTRIBUTES_MASK,
|
|
file);
|
|
fprintf (file, ")\n");
|
|
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
|
{
|
|
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
|
|
case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
|
|
case BFD_MACH_O_S_SYMBOL_STUBS:
|
|
fprintf (file, " first indirect sym: %lu", sec->reserved1);
|
|
fprintf (file, " (%u entries)",
|
|
bfd_mach_o_section_get_nbr_indirect (abfd, sec));
|
|
break;
|
|
default:
|
|
fprintf (file, " reserved1: 0x%lx", sec->reserved1);
|
|
break;
|
|
}
|
|
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
|
{
|
|
case BFD_MACH_O_S_SYMBOL_STUBS:
|
|
fprintf (file, " stub size: %lu", sec->reserved2);
|
|
break;
|
|
default:
|
|
fprintf (file, " reserved2: 0x%lx", sec->reserved2);
|
|
break;
|
|
}
|
|
fprintf (file, " reserved3: 0x%lx\n", sec->reserved3);
|
|
}
|
|
|
|
static void
|
|
bfd_mach_o_print_segment (bfd *abfd ATTRIBUTE_UNUSED,
|
|
bfd_mach_o_load_command *cmd, FILE *file)
|
|
{
|
|
bfd_mach_o_segment_command *seg = &cmd->command.segment;
|
|
bfd_mach_o_section *sec;
|
|
|
|
fprintf (file, " name: %s\n", *seg->segname ? seg->segname : "*none*");
|
|
fprintf (file, " vmaddr: ");
|
|
fprintf_vma (file, seg->vmaddr);
|
|
fprintf (file, " vmsize: ");
|
|
fprintf_vma (file, seg->vmsize);
|
|
fprintf (file, "\n");
|
|
fprintf (file, " fileoff: ");
|
|
fprintf_vma (file, seg->fileoff);
|
|
fprintf (file, " filesize: ");
|
|
fprintf_vma (file, (bfd_vma)seg->filesize);
|
|
fprintf (file, " endoff: ");
|
|
fprintf_vma (file, (bfd_vma)(seg->fileoff + seg->filesize));
|
|
fprintf (file, "\n");
|
|
fprintf (file, " nsects: %lu ", seg->nsects);
|
|
fprintf (file, " flags: %lx\n", seg->flags);
|
|
for (sec = seg->sect_head; sec != NULL; sec = sec->next)
|
|
bfd_mach_o_print_section (abfd, sec, file);
|
|
}
|
|
|
|
static void
|
|
bfd_mach_o_print_dysymtab (bfd *abfd ATTRIBUTE_UNUSED,
|
|
bfd_mach_o_load_command *cmd, FILE *file)
|
|
{
|
|
bfd_mach_o_dysymtab_command *dysymtab = &cmd->command.dysymtab;
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
unsigned int i;
|
|
|
|
fprintf (file, " local symbols: idx: %10lu num: %-8lu",
|
|
dysymtab->ilocalsym, dysymtab->nlocalsym);
|
|
fprintf (file, " (nxtidx: %lu)\n",
|
|
dysymtab->ilocalsym + dysymtab->nlocalsym);
|
|
fprintf (file, " external symbols: idx: %10lu num: %-8lu",
|
|
dysymtab->iextdefsym, dysymtab->nextdefsym);
|
|
fprintf (file, " (nxtidx: %lu)\n",
|
|
dysymtab->iextdefsym + dysymtab->nextdefsym);
|
|
fprintf (file, " undefined symbols: idx: %10lu num: %-8lu",
|
|
dysymtab->iundefsym, dysymtab->nundefsym);
|
|
fprintf (file, " (nxtidx: %lu)\n",
|
|
dysymtab->iundefsym + dysymtab->nundefsym);
|
|
fprintf (file, " table of content: off: 0x%08lx num: %-8lu",
|
|
dysymtab->tocoff, dysymtab->ntoc);
|
|
fprintf (file, " (endoff: 0x%08lx)\n",
|
|
dysymtab->tocoff
|
|
+ dysymtab->ntoc * BFD_MACH_O_TABLE_OF_CONTENT_SIZE);
|
|
fprintf (file, " module table: off: 0x%08lx num: %-8lu",
|
|
dysymtab->modtaboff, dysymtab->nmodtab);
|
|
fprintf (file, " (endoff: 0x%08lx)\n",
|
|
dysymtab->modtaboff + dysymtab->nmodtab
|
|
* (mach_o_wide_p (&mdata->header) ?
|
|
BFD_MACH_O_DYLIB_MODULE_64_SIZE : BFD_MACH_O_DYLIB_MODULE_SIZE));
|
|
fprintf (file, " external reference table: off: 0x%08lx num: %-8lu",
|
|
dysymtab->extrefsymoff, dysymtab->nextrefsyms);
|
|
fprintf (file, " (endoff: 0x%08lx)\n",
|
|
dysymtab->extrefsymoff
|
|
+ dysymtab->nextrefsyms * BFD_MACH_O_REFERENCE_SIZE);
|
|
fprintf (file, " indirect symbol table: off: 0x%08lx num: %-8lu",
|
|
dysymtab->indirectsymoff, dysymtab->nindirectsyms);
|
|
fprintf (file, " (endoff: 0x%08lx)\n",
|
|
dysymtab->indirectsymoff
|
|
+ dysymtab->nindirectsyms * BFD_MACH_O_INDIRECT_SYMBOL_SIZE);
|
|
fprintf (file, " external relocation table: off: 0x%08lx num: %-8lu",
|
|
dysymtab->extreloff, dysymtab->nextrel);
|
|
fprintf (file, " (endoff: 0x%08lx)\n",
|
|
dysymtab->extreloff + dysymtab->nextrel * BFD_MACH_O_RELENT_SIZE);
|
|
fprintf (file, " local relocation table: off: 0x%08lx num: %-8lu",
|
|
dysymtab->locreloff, dysymtab->nlocrel);
|
|
fprintf (file, " (endoff: 0x%08lx)\n",
|
|
dysymtab->locreloff + dysymtab->nlocrel * BFD_MACH_O_RELENT_SIZE);
|
|
|
|
if (dysymtab->ntoc > 0
|
|
|| dysymtab->nindirectsyms > 0
|
|
|| dysymtab->nextrefsyms > 0)
|
|
{
|
|
/* Try to read the symbols to display the toc or indirect symbols. */
|
|
bfd_mach_o_read_symtab_symbols (abfd);
|
|
}
|
|
else if (dysymtab->nmodtab > 0)
|
|
{
|
|
/* Try to read the strtab to display modules name. */
|
|
bfd_mach_o_read_symtab_strtab (abfd);
|
|
}
|
|
|
|
for (i = 0; i < dysymtab->nmodtab; i++)
|
|
{
|
|
bfd_mach_o_dylib_module *module = &dysymtab->dylib_module[i];
|
|
fprintf (file, " module %u:\n", i);
|
|
fprintf (file, " name: %lu", module->module_name_idx);
|
|
if (mdata->symtab && mdata->symtab->strtab)
|
|
fprintf (file, ": %s",
|
|
mdata->symtab->strtab + module->module_name_idx);
|
|
fprintf (file, "\n");
|
|
fprintf (file, " extdefsym: idx: %8lu num: %lu\n",
|
|
module->iextdefsym, module->nextdefsym);
|
|
fprintf (file, " refsym: idx: %8lu num: %lu\n",
|
|
module->irefsym, module->nrefsym);
|
|
fprintf (file, " localsym: idx: %8lu num: %lu\n",
|
|
module->ilocalsym, module->nlocalsym);
|
|
fprintf (file, " extrel: idx: %8lu num: %lu\n",
|
|
module->iextrel, module->nextrel);
|
|
fprintf (file, " init: idx: %8u num: %u\n",
|
|
module->iinit, module->ninit);
|
|
fprintf (file, " term: idx: %8u num: %u\n",
|
|
module->iterm, module->nterm);
|
|
fprintf (file, " objc_module_info: addr: ");
|
|
fprintf_vma (file, module->objc_module_info_addr);
|
|
fprintf (file, " size: %lu\n", module->objc_module_info_size);
|
|
}
|
|
|
|
if (dysymtab->ntoc > 0)
|
|
{
|
|
bfd_mach_o_symtab_command *symtab = mdata->symtab;
|
|
|
|
fprintf (file, " table of content: (symbol/module)\n");
|
|
for (i = 0; i < dysymtab->ntoc; i++)
|
|
{
|
|
bfd_mach_o_dylib_table_of_content *toc = &dysymtab->dylib_toc[i];
|
|
|
|
fprintf (file, " %4u: ", i);
|
|
if (symtab && symtab->symbols && toc->symbol_index < symtab->nsyms)
|
|
{
|
|
const char *name = symtab->symbols[toc->symbol_index].symbol.name;
|
|
fprintf (file, "%s (%lu)", name ? name : "*invalid*",
|
|
toc->symbol_index);
|
|
}
|
|
else
|
|
fprintf (file, "%lu", toc->symbol_index);
|
|
|
|
fprintf (file, " / ");
|
|
if (symtab && symtab->strtab
|
|
&& toc->module_index < dysymtab->nmodtab)
|
|
{
|
|
bfd_mach_o_dylib_module *mod;
|
|
mod = &dysymtab->dylib_module[toc->module_index];
|
|
fprintf (file, "%s (%lu)",
|
|
symtab->strtab + mod->module_name_idx,
|
|
toc->module_index);
|
|
}
|
|
else
|
|
fprintf (file, "%lu", toc->module_index);
|
|
|
|
fprintf (file, "\n");
|
|
}
|
|
}
|
|
|
|
if (dysymtab->nindirectsyms != 0)
|
|
{
|
|
fprintf (file, " indirect symbols:\n");
|
|
|
|
for (i = 0; i < mdata->nsects; i++)
|
|
{
|
|
bfd_mach_o_section *sec = mdata->sections[i];
|
|
unsigned int j, first, last;
|
|
bfd_mach_o_symtab_command *symtab = mdata->symtab;
|
|
bfd_vma addr;
|
|
bfd_vma entry_size;
|
|
|
|
switch (sec->flags & BFD_MACH_O_SECTION_TYPE_MASK)
|
|
{
|
|
case BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS:
|
|
case BFD_MACH_O_S_LAZY_SYMBOL_POINTERS:
|
|
case BFD_MACH_O_S_SYMBOL_STUBS:
|
|
first = sec->reserved1;
|
|
last = first + bfd_mach_o_section_get_nbr_indirect (abfd, sec);
|
|
addr = sec->addr;
|
|
entry_size = bfd_mach_o_section_get_entry_size (abfd, sec);
|
|
fprintf (file, " for section %s.%s:\n",
|
|
sec->segname, sec->sectname);
|
|
for (j = first; j < last; j++)
|
|
{
|
|
unsigned int isym = dysymtab->indirect_syms[j];
|
|
|
|
fprintf (file, " ");
|
|
fprintf_vma (file, addr);
|
|
fprintf (file, " %5u: 0x%08x", j, isym);
|
|
if (isym & BFD_MACH_O_INDIRECT_SYMBOL_LOCAL)
|
|
fprintf (file, " LOCAL");
|
|
if (isym & BFD_MACH_O_INDIRECT_SYMBOL_ABS)
|
|
fprintf (file, " ABSOLUTE");
|
|
if (symtab && symtab->symbols
|
|
&& isym < symtab->nsyms
|
|
&& symtab->symbols[isym].symbol.name)
|
|
fprintf (file, " %s", symtab->symbols[isym].symbol.name);
|
|
fprintf (file, "\n");
|
|
addr += entry_size;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (dysymtab->nextrefsyms > 0)
|
|
{
|
|
bfd_mach_o_symtab_command *symtab = mdata->symtab;
|
|
|
|
fprintf (file, " external reference table: (symbol flags)\n");
|
for (i = 0; i < adata->nfat_arch; i++)
|
for (i = 0; i < dysymtab->nextrefsyms; i++)
|
|
{
|
{
|
bfd_mach_o_dylib_reference *ref = &dysymtab->ext_refs[i];
|
struct mach_o_fat_archentry *e = &adata->archentries[i];
|
|
enum bfd_architecture cpu_type;
|
|
unsigned long cpu_subtype;
|
|
|
fprintf (file, " %4u: %5lu 0x%02lx", i, ref->isym, ref->flags);
|
bfd_mach_o_convert_architecture (e->cputype, e->cpusubtype,
|
if (symtab && symtab->symbols
|
&cpu_type, &cpu_subtype);
|
&& ref->isym < symtab->nsyms
|
if (cpu_type != arch->arch || cpu_subtype != arch->mach)
|
&& symtab->symbols[ref->isym].symbol.name)
|
continue;
|
fprintf (file, " %s", symtab->symbols[ref->isym].symbol.name);
|
|
fprintf (file, "\n");
|
|
}
|
|
}
|
|
|
|
}
|
/* The architecture is found. */
|
|
res = _bfd_new_bfd_contained_in (abfd);
|
|
if (res == NULL)
|
|
return NULL;
|
|
|
static void
|
bfd_mach_o_fat_member_init (res, cpu_type, cpu_subtype, e);
|
bfd_mach_o_print_dyld_info (bfd *abfd ATTRIBUTE_UNUSED,
|
|
bfd_mach_o_load_command *cmd, FILE *file)
|
if (bfd_check_format (res, format))
|
{
|
{
|
bfd_mach_o_dyld_info_command *info = &cmd->command.dyld_info;
|
BFD_ASSERT (bfd_get_arch_info (res) == arch);
|
|
return res;
|
|
}
|
|
bfd_close (res);
|
|
return NULL;
|
|
}
|
|
|
fprintf (file, " rebase: off: 0x%08x size: %-8u\n",
|
return NULL;
|
info->rebase_off, info->rebase_size);
|
|
fprintf (file, " bind: off: 0x%08x size: %-8u\n",
|
|
info->bind_off, info->bind_size);
|
|
fprintf (file, " weak bind: off: 0x%08x size: %-8u\n",
|
|
info->weak_bind_off, info->weak_bind_size);
|
|
fprintf (file, " lazy bind: off: 0x%08x size: %-8u\n",
|
|
info->lazy_bind_off, info->lazy_bind_size);
|
|
fprintf (file, " export: off: 0x%08x size: %-8u\n",
|
|
info->export_off, info->export_size);
|
|
}
|
}
|
|
|
bfd_boolean
|
int
|
bfd_mach_o_bfd_print_private_bfd_data (bfd *abfd, void * ptr)
|
bfd_mach_o_lookup_command (bfd *abfd,
|
|
bfd_mach_o_load_command_type type,
|
|
bfd_mach_o_load_command **mcommand)
|
{
|
{
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
struct mach_o_data_struct *md = bfd_mach_o_get_data (abfd);
|
FILE *file = (FILE *) ptr;
|
bfd_mach_o_load_command *ncmd = NULL;
|
unsigned int i;
|
unsigned int i, num;
|
|
|
bfd_mach_o_print_private_header (abfd, file);
|
BFD_ASSERT (md != NULL);
|
fputc ('\n', file);
|
BFD_ASSERT (mcommand != NULL);
|
|
|
for (i = 0; i < mdata->header.ncmds; i++)
|
num = 0;
|
|
for (i = 0; i < md->header.ncmds; i++)
|
{
|
{
|
bfd_mach_o_load_command *cmd = &mdata->commands[i];
|
struct bfd_mach_o_load_command *cmd = &md->commands[i];
|
const char *cmd_name;
|
|
|
|
cmd_name = bfd_mach_o_get_name_or_null
|
|
(bfd_mach_o_load_command_name, cmd->type);
|
|
fprintf (file, "Load command ");
|
|
if (cmd_name == NULL)
|
|
fprintf (file, "0x%02x:", cmd->type);
|
|
else
|
|
fprintf (file, "%s:", cmd_name);
|
|
|
|
switch (cmd->type)
|
if (cmd->type != type)
|
{
|
continue;
|
case BFD_MACH_O_LC_SEGMENT:
|
|
case BFD_MACH_O_LC_SEGMENT_64:
|
|
bfd_mach_o_print_segment (abfd, cmd, file);
|
|
break;
|
|
case BFD_MACH_O_LC_UUID:
|
|
{
|
|
bfd_mach_o_uuid_command *uuid = &cmd->command.uuid;
|
|
unsigned int j;
|
|
|
|
for (j = 0; j < sizeof (uuid->uuid); j ++)
|
if (num == 0)
|
fprintf (file, " %02x", uuid->uuid[j]);
|
ncmd = cmd;
|
fputc ('\n', file);
|
num++;
|
}
|
}
|
break;
|
|
case BFD_MACH_O_LC_LOAD_DYLIB:
|
*mcommand = ncmd;
|
case BFD_MACH_O_LC_LOAD_WEAK_DYLIB:
|
return num;
|
case BFD_MACH_O_LC_REEXPORT_DYLIB:
|
|
case BFD_MACH_O_LC_ID_DYLIB:
|
|
{
|
|
bfd_mach_o_dylib_command *dylib = &cmd->command.dylib;
|
|
fprintf (file, " %s\n", dylib->name_str);
|
|
fprintf (file, " time stamp: 0x%08lx\n",
|
|
dylib->timestamp);
|
|
fprintf (file, " current version: 0x%08lx\n",
|
|
dylib->current_version);
|
|
fprintf (file, " comptibility version: 0x%08lx\n",
|
|
dylib->compatibility_version);
|
|
break;
|
|
}
|
}
|
case BFD_MACH_O_LC_LOAD_DYLINKER:
|
|
case BFD_MACH_O_LC_ID_DYLINKER:
|
unsigned long
|
fprintf (file, " %s\n", cmd->command.dylinker.name_str);
|
bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type type)
|
break;
|
|
case BFD_MACH_O_LC_SYMTAB:
|
|
{
|
{
|
bfd_mach_o_symtab_command *symtab = &cmd->command.symtab;
|
switch (type)
|
fprintf (file,
|
|
"\n"
|
|
" symoff: 0x%08x nsyms: %8u (endoff: 0x%08x)\n",
|
|
symtab->symoff, symtab->nsyms,
|
|
symtab->symoff + symtab->nsyms
|
|
* (mach_o_wide_p (&mdata->header)
|
|
? BFD_MACH_O_NLIST_64_SIZE : BFD_MACH_O_NLIST_SIZE));
|
|
fprintf (file,
|
|
" stroff: 0x%08x strsize: %8u (endoff: 0x%08x)\n",
|
|
symtab->stroff, symtab->strsize,
|
|
symtab->stroff + symtab->strsize);
|
|
break;
|
|
}
|
|
case BFD_MACH_O_LC_DYSYMTAB:
|
|
fprintf (file, "\n");
|
|
bfd_mach_o_print_dysymtab (abfd, cmd, file);
|
|
break;
|
|
case BFD_MACH_O_LC_CODE_SIGNATURE:
|
|
case BFD_MACH_O_LC_SEGMENT_SPLIT_INFO:
|
|
case BFD_MACH_O_LC_FUNCTION_STARTS:
|
|
{
|
{
|
bfd_mach_o_linkedit_command *linkedit = &cmd->command.linkedit;
|
case BFD_MACH_O_CPU_TYPE_MC680x0:
|
fprintf
|
return 0x04000000;
|
(file, "\n"
|
case BFD_MACH_O_CPU_TYPE_MC88000:
|
" dataoff: 0x%08lx datasize: 0x%08lx (endoff: 0x%08lx)\n",
|
return 0xffffe000;
|
linkedit->dataoff, linkedit->datasize,
|
case BFD_MACH_O_CPU_TYPE_POWERPC:
|
linkedit->dataoff + linkedit->datasize);
|
return 0xc0000000;
|
break;
|
case BFD_MACH_O_CPU_TYPE_I386:
|
|
return 0xc0000000;
|
|
case BFD_MACH_O_CPU_TYPE_SPARC:
|
|
return 0xf0000000;
|
|
case BFD_MACH_O_CPU_TYPE_I860:
|
|
return 0;
|
|
case BFD_MACH_O_CPU_TYPE_HPPA:
|
|
return 0xc0000000 - 0x04000000;
|
|
default:
|
|
return 0;
|
}
|
}
|
case BFD_MACH_O_LC_SUB_FRAMEWORK:
|
|
case BFD_MACH_O_LC_SUB_UMBRELLA:
|
|
case BFD_MACH_O_LC_SUB_LIBRARY:
|
|
case BFD_MACH_O_LC_SUB_CLIENT:
|
|
case BFD_MACH_O_LC_RPATH:
|
|
{
|
|
bfd_mach_o_str_command *str = &cmd->command.str;
|
|
fprintf (file, " %s\n", str->str);
|
|
break;
|
|
}
|
}
|
case BFD_MACH_O_LC_THREAD:
|
|
case BFD_MACH_O_LC_UNIXTHREAD:
|
/* The following two tables should be kept, as far as possible, in order of
|
|
most frequently used entries to optimize their use from gas. */
|
|
|
|
const bfd_mach_o_xlat_name bfd_mach_o_section_type_name[] =
|
{
|
{
|
bfd_mach_o_thread_command *thread = &cmd->command.thread;
|
{ "regular", BFD_MACH_O_S_REGULAR},
|
unsigned int j;
|
{ "coalesced", BFD_MACH_O_S_COALESCED},
|
bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
|
{ "zerofill", BFD_MACH_O_S_ZEROFILL},
|
|
{ "cstring_literals", BFD_MACH_O_S_CSTRING_LITERALS},
|
|
{ "4byte_literals", BFD_MACH_O_S_4BYTE_LITERALS},
|
|
{ "8byte_literals", BFD_MACH_O_S_8BYTE_LITERALS},
|
|
{ "16byte_literals", BFD_MACH_O_S_16BYTE_LITERALS},
|
|
{ "literal_pointers", BFD_MACH_O_S_LITERAL_POINTERS},
|
|
{ "mod_init_func_pointers", BFD_MACH_O_S_MOD_INIT_FUNC_POINTERS},
|
|
{ "mod_fini_func_pointers", BFD_MACH_O_S_MOD_FINI_FUNC_POINTERS},
|
|
{ "gb_zerofill", BFD_MACH_O_S_GB_ZEROFILL},
|
|
{ "interposing", BFD_MACH_O_S_INTERPOSING},
|
|
{ "dtrace_dof", BFD_MACH_O_S_DTRACE_DOF},
|
|
{ "non_lazy_symbol_pointers", BFD_MACH_O_S_NON_LAZY_SYMBOL_POINTERS},
|
|
{ "lazy_symbol_pointers", BFD_MACH_O_S_LAZY_SYMBOL_POINTERS},
|
|
{ "symbol_stubs", BFD_MACH_O_S_SYMBOL_STUBS},
|
|
{ "lazy_dylib_symbol_pointers", BFD_MACH_O_S_LAZY_DYLIB_SYMBOL_POINTERS},
|
|
{ NULL, 0}
|
|
};
|
|
|
fprintf (file, " nflavours: %lu\n", thread->nflavours);
|
const bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[] =
|
for (j = 0; j < thread->nflavours; j++)
|
|
{
|
{
|
bfd_mach_o_thread_flavour *flavour = &thread->flavours[j];
|
{ "pure_instructions", BFD_MACH_O_S_ATTR_PURE_INSTRUCTIONS },
|
|
{ "some_instructions", BFD_MACH_O_S_ATTR_SOME_INSTRUCTIONS },
|
|
{ "loc_reloc", BFD_MACH_O_S_ATTR_LOC_RELOC },
|
|
{ "ext_reloc", BFD_MACH_O_S_ATTR_EXT_RELOC },
|
|
{ "debug", BFD_MACH_O_S_ATTR_DEBUG },
|
|
{ "live_support", BFD_MACH_O_S_ATTR_LIVE_SUPPORT },
|
|
{ "no_dead_strip", BFD_MACH_O_S_ATTR_NO_DEAD_STRIP },
|
|
{ "strip_static_syms", BFD_MACH_O_S_ATTR_STRIP_STATIC_SYMS },
|
|
{ "no_toc", BFD_MACH_O_S_ATTR_NO_TOC },
|
|
{ "self_modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE },
|
|
{ "modifying_code", BFD_MACH_O_S_SELF_MODIFYING_CODE },
|
|
{ NULL, 0}
|
|
};
|
|
|
fprintf (file, " %2u: flavour: 0x%08lx offset: 0x%08lx"
|
/* Get the section type from NAME. Return 256 if NAME is unknown. */
|
" size: 0x%08lx\n",
|
|
j, flavour->flavour, flavour->offset,
|
unsigned int
|
flavour->size);
|
bfd_mach_o_get_section_type_from_name (bfd *abfd, const char *name)
|
if (bed->_bfd_mach_o_print_thread)
|
|
{
|
|
char *buf = bfd_malloc (flavour->size);
|
|
|
|
if (buf
|
|
&& bfd_seek (abfd, flavour->offset, SEEK_SET) == 0
|
|
&& (bfd_bread (buf, flavour->size, abfd)
|
|
== flavour->size))
|
|
(*bed->_bfd_mach_o_print_thread)(abfd, flavour,
|
|
file, buf);
|
|
free (buf);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case BFD_MACH_O_LC_DYLD_INFO:
|
|
fprintf (file, "\n");
|
|
bfd_mach_o_print_dyld_info (abfd, cmd, file);
|
|
break;
|
|
case BFD_MACH_O_LC_VERSION_MIN_MACOSX:
|
|
case BFD_MACH_O_LC_VERSION_MIN_IPHONEOS:
|
|
{
|
{
|
bfd_mach_o_version_min_command *ver = &cmd->command.version_min;
|
const bfd_mach_o_xlat_name *x;
|
|
bfd_mach_o_backend_data *bed = bfd_mach_o_get_backend_data (abfd);
|
|
|
fprintf (file, " %u.%u.%u\n", ver->rel, ver->maj, ver->min);
|
for (x = bfd_mach_o_section_type_name; x->name; x++)
|
}
|
if (strcmp (x->name, name) == 0)
|
break;
|
{
|
default:
|
/* We found it... does the target support it? */
|
fprintf (file, "\n");
|
if (bed->bfd_mach_o_section_type_valid_for_target == NULL
|
fprintf (file, " offset: 0x%08lx\n", (unsigned long)cmd->offset);
|
|| bed->bfd_mach_o_section_type_valid_for_target (x->val))
|
fprintf (file, " size: 0x%08lx\n", (unsigned long)cmd->len);
|
return x->val; /* OK. */
|
break;
|
else
|
|
break; /* Not supported. */
|
}
|
}
|
fputc ('\n', file);
|
/* Maximum section ID = 0xff. */
|
|
return 256;
|
}
|
}
|
|
|
bfd_mach_o_print_section_map (abfd, file);
|
/* Get the section attribute from NAME. Return -1 if NAME is unknown. */
|
|
|
return TRUE;
|
unsigned int
|
|
bfd_mach_o_get_section_attribute_from_name (const char *name)
|
|
{
|
|
const bfd_mach_o_xlat_name *x;
|
|
|
|
for (x = bfd_mach_o_section_attribute_name; x->name; x++)
|
|
if (strcmp (x->name, name) == 0)
|
|
return x->val;
|
|
return (unsigned int)-1;
|
}
|
}
|
|
|
int
|
int
|
bfd_mach_o_core_fetch_environment (bfd *abfd,
|
bfd_mach_o_core_fetch_environment (bfd *abfd,
|
unsigned char **rbuf,
|
unsigned char **rbuf,
|
| Line 4186... |
Line 4679... |
bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED)
|
bfd_mach_o_core_file_failing_signal (bfd *abfd ATTRIBUTE_UNUSED)
|
{
|
{
|
return 0;
|
return 0;
|
}
|
}
|
|
|
|
static bfd_mach_o_uuid_command *
|
|
bfd_mach_o_lookup_uuid_command (bfd *abfd)
|
|
{
|
|
bfd_mach_o_load_command *uuid_cmd;
|
|
int ncmd = bfd_mach_o_lookup_command (abfd, BFD_MACH_O_LC_UUID, &uuid_cmd);
|
|
if (ncmd != 1)
|
|
return FALSE;
|
|
return &uuid_cmd->command.uuid;
|
|
}
|
|
|
|
/* Return true if ABFD is a dSYM file and its UUID matches UUID_CMD. */
|
|
|
|
static bfd_boolean
|
|
bfd_mach_o_dsym_for_uuid_p (bfd *abfd, const bfd_mach_o_uuid_command *uuid_cmd)
|
|
{
|
|
bfd_mach_o_uuid_command *dsym_uuid_cmd;
|
|
|
|
BFD_ASSERT (abfd);
|
|
BFD_ASSERT (uuid_cmd);
|
|
|
|
if (!bfd_check_format (abfd, bfd_object))
|
|
return FALSE;
|
|
|
|
if (bfd_get_flavour (abfd) != bfd_target_mach_o_flavour
|
|
|| bfd_mach_o_get_data (abfd) == NULL
|
|
|| bfd_mach_o_get_data (abfd)->header.filetype != BFD_MACH_O_MH_DSYM)
|
|
return FALSE;
|
|
|
|
dsym_uuid_cmd = bfd_mach_o_lookup_uuid_command (abfd);
|
|
if (dsym_uuid_cmd == NULL)
|
|
return FALSE;
|
|
|
|
if (memcmp (uuid_cmd->uuid, dsym_uuid_cmd->uuid,
|
|
sizeof (uuid_cmd->uuid)) != 0)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* Find a BFD in DSYM_FILENAME which matches ARCH and UUID_CMD.
|
|
The caller is responsible for closing the returned BFD object and
|
|
its my_archive if the returned BFD is in a fat dSYM. */
|
|
|
|
static bfd *
|
|
bfd_mach_o_find_dsym (const char *dsym_filename,
|
|
const bfd_mach_o_uuid_command *uuid_cmd,
|
|
const bfd_arch_info_type *arch)
|
|
{
|
|
bfd *base_dsym_bfd, *dsym_bfd;
|
|
|
|
BFD_ASSERT (uuid_cmd);
|
|
|
|
base_dsym_bfd = bfd_openr (dsym_filename, NULL);
|
|
if (base_dsym_bfd == NULL)
|
|
return NULL;
|
|
|
|
dsym_bfd = bfd_mach_o_fat_extract (base_dsym_bfd, bfd_object, arch);
|
|
if (bfd_mach_o_dsym_for_uuid_p (dsym_bfd, uuid_cmd))
|
|
return dsym_bfd;
|
|
|
|
bfd_close (dsym_bfd);
|
|
if (base_dsym_bfd != dsym_bfd)
|
|
bfd_close (base_dsym_bfd);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* Return a BFD created from a dSYM file for ABFD.
|
|
The caller is responsible for closing the returned BFD object, its
|
|
filename, and its my_archive if the returned BFD is in a fat dSYM. */
|
|
|
|
static bfd *
|
|
bfd_mach_o_follow_dsym (bfd *abfd)
|
|
{
|
|
char *dsym_filename;
|
|
bfd_mach_o_uuid_command *uuid_cmd;
|
|
bfd *dsym_bfd, *base_bfd = abfd;
|
|
const char *base_basename;
|
|
|
|
if (abfd == NULL || bfd_get_flavour (abfd) != bfd_target_mach_o_flavour)
|
|
return NULL;
|
|
|
|
if (abfd->my_archive)
|
|
base_bfd = abfd->my_archive;
|
|
/* BFD may have been opened from a stream. */
|
|
if (base_bfd->filename == NULL)
|
|
{
|
|
bfd_set_error (bfd_error_invalid_operation);
|
|
return NULL;
|
|
}
|
|
base_basename = lbasename (base_bfd->filename);
|
|
|
|
uuid_cmd = bfd_mach_o_lookup_uuid_command (abfd);
|
|
if (uuid_cmd == NULL)
|
|
return NULL;
|
|
|
|
/* TODO: We assume the DWARF file has the same as the binary's.
|
|
It seems apple's GDB checks all files in the dSYM bundle directory.
|
|
http://opensource.apple.com/source/gdb/gdb-1708/src/gdb/macosx/macosx-tdep.c
|
|
*/
|
|
dsym_filename = (char *)bfd_malloc (strlen (base_bfd->filename)
|
|
+ strlen (dsym_subdir) + 1
|
|
+ strlen (base_basename) + 1);
|
|
sprintf (dsym_filename, "%s%s/%s",
|
|
base_bfd->filename, dsym_subdir, base_basename);
|
|
|
|
dsym_bfd = bfd_mach_o_find_dsym (dsym_filename, uuid_cmd,
|
|
bfd_get_arch_info (abfd));
|
|
if (dsym_bfd == NULL)
|
|
free (dsym_filename);
|
|
|
|
return dsym_bfd;
|
|
}
|
|
|
|
bfd_boolean
|
|
bfd_mach_o_find_nearest_line (bfd *abfd,
|
|
asection *section,
|
|
asymbol **symbols,
|
|
bfd_vma offset,
|
|
const char **filename_ptr,
|
|
const char **functionname_ptr,
|
|
unsigned int *line_ptr)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
if (mdata == NULL)
|
|
return FALSE;
|
|
switch (mdata->header.filetype)
|
|
{
|
|
case BFD_MACH_O_MH_OBJECT:
|
|
break;
|
|
case BFD_MACH_O_MH_EXECUTE:
|
|
case BFD_MACH_O_MH_DYLIB:
|
|
case BFD_MACH_O_MH_BUNDLE:
|
|
case BFD_MACH_O_MH_KEXT_BUNDLE:
|
|
if (mdata->dwarf2_find_line_info == NULL)
|
|
{
|
|
mdata->dsym_bfd = bfd_mach_o_follow_dsym (abfd);
|
|
/* When we couldn't find dSYM for this binary, we look for
|
|
the debug information in the binary itself. In this way,
|
|
we won't try finding separated dSYM again because
|
|
mdata->dwarf2_find_line_info will be filled. */
|
|
if (! mdata->dsym_bfd)
|
|
break;
|
|
if (! _bfd_dwarf2_slurp_debug_info (abfd, mdata->dsym_bfd,
|
|
dwarf_debug_sections, symbols,
|
|
&mdata->dwarf2_find_line_info))
|
|
return FALSE;
|
|
}
|
|
break;
|
|
default:
|
|
return FALSE;
|
|
}
|
|
if (_bfd_dwarf2_find_nearest_line (abfd, dwarf_debug_sections,
|
|
section, symbols, offset,
|
|
filename_ptr, functionname_ptr,
|
|
line_ptr, 0,
|
|
&mdata->dwarf2_find_line_info))
|
|
return TRUE;
|
|
return FALSE;
|
|
}
|
|
|
|
bfd_boolean
|
|
bfd_mach_o_close_and_cleanup (bfd *abfd)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
if (bfd_get_format (abfd) == bfd_object && mdata != NULL)
|
|
{
|
|
_bfd_dwarf2_cleanup_debug_info (abfd, &mdata->dwarf2_find_line_info);
|
|
bfd_mach_o_free_cached_info (abfd);
|
|
if (mdata->dsym_bfd != NULL)
|
|
{
|
|
bfd *fat_bfd = mdata->dsym_bfd->my_archive;
|
|
char *dsym_filename = (char *)(fat_bfd
|
|
? fat_bfd->filename
|
|
: mdata->dsym_bfd->filename);
|
|
bfd_close (mdata->dsym_bfd);
|
|
mdata->dsym_bfd = NULL;
|
|
if (fat_bfd)
|
|
bfd_close (fat_bfd);
|
|
free (dsym_filename);
|
|
}
|
|
}
|
|
|
|
return _bfd_generic_close_and_cleanup (abfd);
|
|
}
|
|
|
|
bfd_boolean bfd_mach_o_free_cached_info (bfd *abfd)
|
|
{
|
|
bfd_mach_o_data_struct *mdata = bfd_mach_o_get_data (abfd);
|
|
asection *asect;
|
|
free (mdata->dyn_reloc_cache);
|
|
mdata->dyn_reloc_cache = NULL;
|
|
for (asect = abfd->sections; asect != NULL; asect = asect->next)
|
|
{
|
|
free (asect->relocation);
|
|
asect->relocation = NULL;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
#define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
|
#define bfd_mach_o_bfd_reloc_type_lookup _bfd_norelocs_bfd_reloc_type_lookup
|
#define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
|
#define bfd_mach_o_bfd_reloc_name_lookup _bfd_norelocs_bfd_reloc_name_lookup
|
|
|
#define bfd_mach_o_swap_reloc_in NULL
|
#define bfd_mach_o_swap_reloc_in NULL
|
#define bfd_mach_o_swap_reloc_out NULL
|
#define bfd_mach_o_swap_reloc_out NULL
|
#define bfd_mach_o_print_thread NULL
|
#define bfd_mach_o_print_thread NULL
|
|
#define bfd_mach_o_tgt_seg_table NULL
|
|
#define bfd_mach_o_section_type_valid_for_tgt NULL
|
|
|
#define TARGET_NAME mach_o_be_vec
|
#define TARGET_NAME mach_o_be_vec
|
#define TARGET_STRING "mach-o-be"
|
#define TARGET_STRING "mach-o-be"
|
#define TARGET_ARCHITECTURE bfd_arch_unknown
|
#define TARGET_ARCHITECTURE bfd_arch_unknown
|
#define TARGET_BIG_ENDIAN 1
|
#define TARGET_BIG_ENDIAN 1
|
#define TARGET_ARCHIVE 0
|
#define TARGET_ARCHIVE 0
|
|
#define TARGET_PRIORITY 1
|
#include "mach-o-target.c"
|
#include "mach-o-target.c"
|
|
|
#undef TARGET_NAME
|
#undef TARGET_NAME
|
#undef TARGET_STRING
|
#undef TARGET_STRING
|
#undef TARGET_ARCHITECTURE
|
#undef TARGET_ARCHITECTURE
|
#undef TARGET_BIG_ENDIAN
|
#undef TARGET_BIG_ENDIAN
|
#undef TARGET_ARCHIVE
|
#undef TARGET_ARCHIVE
|
|
#undef TARGET_PRIORITY
|
|
|
#define TARGET_NAME mach_o_le_vec
|
#define TARGET_NAME mach_o_le_vec
|
#define TARGET_STRING "mach-o-le"
|
#define TARGET_STRING "mach-o-le"
|
#define TARGET_ARCHITECTURE bfd_arch_unknown
|
#define TARGET_ARCHITECTURE bfd_arch_unknown
|
#define TARGET_BIG_ENDIAN 0
|
#define TARGET_BIG_ENDIAN 0
|
#define TARGET_ARCHIVE 0
|
#define TARGET_ARCHIVE 0
|
|
#define TARGET_PRIORITY 1
|
|
|
#include "mach-o-target.c"
|
#include "mach-o-target.c"
|
|
|
#undef TARGET_NAME
|
#undef TARGET_NAME
|
#undef TARGET_STRING
|
#undef TARGET_STRING
|
#undef TARGET_ARCHITECTURE
|
#undef TARGET_ARCHITECTURE
|
#undef TARGET_BIG_ENDIAN
|
#undef TARGET_BIG_ENDIAN
|
#undef TARGET_ARCHIVE
|
#undef TARGET_ARCHIVE
|
|
#undef TARGET_PRIORITY
|
|
|
/* Not yet handled: creating an archive. */
|
/* Not yet handled: creating an archive. */
|
#define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive
|
#define bfd_mach_o_mkarchive _bfd_noarchive_mkarchive
|
|
|
/* Not used. */
|
/* Not used. */
|
| Line 4232... |
Line 4932... |
#define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table
|
#define bfd_mach_o_slurp_extended_name_table _bfd_noarchive_slurp_extended_name_table
|
#define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table
|
#define bfd_mach_o_construct_extended_name_table _bfd_noarchive_construct_extended_name_table
|
#define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname
|
#define bfd_mach_o_truncate_arname _bfd_noarchive_truncate_arname
|
#define bfd_mach_o_write_armap _bfd_noarchive_write_armap
|
#define bfd_mach_o_write_armap _bfd_noarchive_write_armap
|
#define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index
|
#define bfd_mach_o_get_elt_at_index _bfd_noarchive_get_elt_at_index
|
#define bfd_mach_o_generic_stat_arch_elt _bfd_noarchive_generic_stat_arch_elt
|
#define bfd_mach_o_generic_stat_arch_elt bfd_mach_o_fat_stat_arch_elt
|
#define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp
|
#define bfd_mach_o_update_armap_timestamp _bfd_noarchive_update_armap_timestamp
|
|
|
#define TARGET_NAME mach_o_fat_vec
|
#define TARGET_NAME mach_o_fat_vec
|
#define TARGET_STRING "mach-o-fat"
|
#define TARGET_STRING "mach-o-fat"
|
#define TARGET_ARCHITECTURE bfd_arch_unknown
|
#define TARGET_ARCHITECTURE bfd_arch_unknown
|
#define TARGET_BIG_ENDIAN 1
|
#define TARGET_BIG_ENDIAN 1
|
#define TARGET_ARCHIVE 1
|
#define TARGET_ARCHIVE 1
|
|
#define TARGET_PRIORITY 0
|
|
|
#include "mach-o-target.c"
|
#include "mach-o-target.c"
|
|
|
#undef TARGET_NAME
|
#undef TARGET_NAME
|
#undef TARGET_STRING
|
#undef TARGET_STRING
|
#undef TARGET_ARCHITECTURE
|
#undef TARGET_ARCHITECTURE
|
#undef TARGET_BIG_ENDIAN
|
#undef TARGET_BIG_ENDIAN
|
#undef TARGET_ARCHIVE
|
#undef TARGET_ARCHIVE
|
|
#undef TARGET_PRIORITY
|
|
|
No newline at end of file
|
No newline at end of file
|
