| Line 1... |
Line 1... |
/* POWER/PowerPC XCOFF linker support.
|
/* POWER/PowerPC XCOFF linker support.
|
Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
|
Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
|
2005, 2006, 2007, 2008 Free Software Foundation, Inc.
|
2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
|
Written by Ian Lance Taylor <ian@cygnus.com>, Cygnus Support.
|
Written by Ian Lance Taylor <ian@cygnus.com>, Cygnus Support.
|
|
|
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 26... |
Line 26... |
#include "libbfd.h"
|
#include "libbfd.h"
|
#include "coff/internal.h"
|
#include "coff/internal.h"
|
#include "coff/xcoff.h"
|
#include "coff/xcoff.h"
|
#include "libcoff.h"
|
#include "libcoff.h"
|
#include "libxcoff.h"
|
#include "libxcoff.h"
|
|
#include "libiberty.h"
|
|
|
/* This file holds the XCOFF linker code. */
|
/* This file holds the XCOFF linker code. */
|
|
|
#undef STRING_SIZE_SIZE
|
#undef STRING_SIZE_SIZE
|
#define STRING_SIZE_SIZE 4
|
#define STRING_SIZE_SIZE 4
|
| Line 73... |
Line 74... |
struct xcoff_link_hash_entry *h;
|
struct xcoff_link_hash_entry *h;
|
struct internal_reloc *rel;
|
struct internal_reloc *rel;
|
} *toc_rel_hashes;
|
} *toc_rel_hashes;
|
};
|
};
|
|
|
|
/* Information that the XCOFF linker collects about an archive. */
|
|
struct xcoff_archive_info
|
|
{
|
|
/* The archive described by this entry. */
|
|
bfd *archive;
|
|
|
|
/* The import path and import filename to use when referring to
|
|
this archive in the .loader section. */
|
|
const char *imppath;
|
|
const char *impfile;
|
|
|
|
/* True if the archive contains a dynamic object. */
|
|
unsigned int contains_shared_object_p : 1;
|
|
|
|
/* True if the previous field is valid. */
|
|
unsigned int know_contains_shared_object_p : 1;
|
|
};
|
|
|
|
struct xcoff_link_hash_table
|
|
{
|
|
struct bfd_link_hash_table root;
|
|
|
|
/* The .debug string hash table. We need to compute this while
|
|
reading the input files, so that we know how large the .debug
|
|
section will be before we assign section positions. */
|
|
struct bfd_strtab_hash *debug_strtab;
|
|
|
|
/* The .debug section we will use for the final output. */
|
|
asection *debug_section;
|
|
|
|
/* The .loader section we will use for the final output. */
|
|
asection *loader_section;
|
|
|
|
/* A count of non TOC relative relocs which will need to be
|
|
allocated in the .loader section. */
|
|
size_t ldrel_count;
|
|
|
|
/* The .loader section header. */
|
|
struct internal_ldhdr ldhdr;
|
|
|
|
/* The .gl section we use to hold global linkage code. */
|
|
asection *linkage_section;
|
|
|
|
/* The .tc section we use to hold toc entries we build for global
|
|
linkage code. */
|
|
asection *toc_section;
|
|
|
|
/* The .ds section we use to hold function descriptors which we
|
|
create for exported symbols. */
|
|
asection *descriptor_section;
|
|
|
|
/* The list of import files. */
|
|
struct xcoff_import_file *imports;
|
|
|
|
/* Required alignment of sections within the output file. */
|
|
unsigned long file_align;
|
|
|
|
/* Whether the .text section must be read-only. */
|
|
bfd_boolean textro;
|
|
|
|
/* Whether -brtl was specified. */
|
|
bfd_boolean rtld;
|
|
|
|
/* Whether garbage collection was done. */
|
|
bfd_boolean gc;
|
|
|
|
/* A linked list of symbols for which we have size information. */
|
|
struct xcoff_link_size_list
|
|
{
|
|
struct xcoff_link_size_list *next;
|
|
struct xcoff_link_hash_entry *h;
|
|
bfd_size_type size;
|
|
}
|
|
*size_list;
|
|
|
|
/* Information about archives. */
|
|
htab_t archive_info;
|
|
|
|
/* Magic sections: _text, _etext, _data, _edata, _end, end. */
|
|
asection *special_sections[XCOFF_NUMBER_OF_SPECIAL_SECTIONS];
|
|
};
|
|
|
/* Information that we pass around while doing the final link step. */
|
/* Information that we pass around while doing the final link step. */
|
|
|
struct xcoff_final_link_info
|
struct xcoff_final_link_info
|
{
|
{
|
/* General link information. */
|
/* General link information. */
|
| Line 256... |
Line 339... |
ldsym.l_scnum);
|
ldsym.l_scnum);
|
symbuf->symbol.value = ldsym.l_value - symbuf->symbol.section->vma;
|
symbuf->symbol.value = ldsym.l_value - symbuf->symbol.section->vma;
|
|
|
symbuf->symbol.flags = BSF_NO_FLAGS;
|
symbuf->symbol.flags = BSF_NO_FLAGS;
|
if ((ldsym.l_smtype & L_EXPORT) != 0)
|
if ((ldsym.l_smtype & L_EXPORT) != 0)
|
|
{
|
|
if ((ldsym.l_smtype & L_WEAK) != 0)
|
|
symbuf->symbol.flags |= BSF_WEAK;
|
|
else
|
symbuf->symbol.flags |= BSF_GLOBAL;
|
symbuf->symbol.flags |= BSF_GLOBAL;
|
|
}
|
|
|
/* FIXME: We have no way to record the other information stored
|
/* FIXME: We have no way to record the other information stored
|
with the loader symbol. */
|
with the loader symbol. */
|
*psyms = (asymbol *) symbuf;
|
*psyms = (asymbol *) symbuf;
|
}
|
}
|
| Line 396... |
Line 484... |
*prelocs = NULL;
|
*prelocs = NULL;
|
|
|
return ldhdr.l_nreloc;
|
return ldhdr.l_nreloc;
|
}
|
}
|
|
|
|
/* Hash functions for xcoff_link_hash_table's archive_info. */
|
|
|
|
static hashval_t
|
|
xcoff_archive_info_hash (const void *data)
|
|
{
|
|
const struct xcoff_archive_info *info;
|
|
|
|
info = (const struct xcoff_archive_info *) data;
|
|
return htab_hash_pointer (info->archive);
|
|
}
|
|
|
|
static int
|
|
xcoff_archive_info_eq (const void *data1, const void *data2)
|
|
{
|
|
const struct xcoff_archive_info *info1;
|
|
const struct xcoff_archive_info *info2;
|
|
|
|
info1 = (const struct xcoff_archive_info *) data1;
|
|
info2 = (const struct xcoff_archive_info *) data2;
|
|
return info1->archive == info2->archive;
|
|
}
|
|
|
|
/* Return information about archive ARCHIVE. Return NULL on error. */
|
|
|
|
static struct xcoff_archive_info *
|
|
xcoff_get_archive_info (struct bfd_link_info *info, bfd *archive)
|
|
{
|
|
struct xcoff_link_hash_table *htab;
|
|
struct xcoff_archive_info *entryp, entry;
|
|
void **slot;
|
|
|
|
htab = xcoff_hash_table (info);
|
|
entry.archive = archive;
|
|
slot = htab_find_slot (htab->archive_info, &entry, INSERT);
|
|
if (!slot)
|
|
return NULL;
|
|
|
|
entryp = *slot;
|
|
if (!entryp)
|
|
{
|
|
entryp = bfd_zalloc (archive, sizeof (entry));
|
|
if (!entryp)
|
|
return NULL;
|
|
|
|
entryp->archive = archive;
|
|
*slot = entryp;
|
|
}
|
|
return entryp;
|
|
}
|
|
|
/* Routine to create an entry in an XCOFF link hash table. */
|
/* Routine to create an entry in an XCOFF link hash table. */
|
|
|
static struct bfd_hash_entry *
|
static struct bfd_hash_entry *
|
xcoff_link_hash_newfunc (struct bfd_hash_entry *entry,
|
xcoff_link_hash_newfunc (struct bfd_hash_entry *entry,
|
struct bfd_hash_table *table,
|
struct bfd_hash_table *table,
|
| Line 462... |
Line 600... |
ret->descriptor_section = NULL;
|
ret->descriptor_section = NULL;
|
ret->imports = NULL;
|
ret->imports = NULL;
|
ret->file_align = 0;
|
ret->file_align = 0;
|
ret->textro = FALSE;
|
ret->textro = FALSE;
|
ret->gc = FALSE;
|
ret->gc = FALSE;
|
|
ret->archive_info = htab_create (37, xcoff_archive_info_hash,
|
|
xcoff_archive_info_eq, NULL);
|
memset (ret->special_sections, 0, sizeof ret->special_sections);
|
memset (ret->special_sections, 0, sizeof ret->special_sections);
|
|
|
/* The linker will always generate a full a.out header. We need to
|
/* The linker will always generate a full a.out header. We need to
|
record that fact now, before the sizeof_headers routine could be
|
record that fact now, before the sizeof_headers routine could be
|
called. */
|
called. */
|
| Line 538... |
Line 678... |
|
|
return _bfd_coff_read_internal_relocs (abfd, sec, cache, external_relocs,
|
return _bfd_coff_read_internal_relocs (abfd, sec, cache, external_relocs,
|
require_internal, internal_relocs);
|
require_internal, internal_relocs);
|
}
|
}
|
|
|
|
/* Split FILENAME into an import path and an import filename,
|
|
storing them in *IMPPATH and *IMPFILE respectively. */
|
|
|
|
bfd_boolean
|
|
bfd_xcoff_split_import_path (bfd *abfd, const char *filename,
|
|
const char **imppath, const char **impfile)
|
|
{
|
|
const char *basename;
|
|
size_t length;
|
|
char *path;
|
|
|
|
basename = lbasename (filename);
|
|
length = basename - filename;
|
|
if (length == 0)
|
|
/* The filename has no directory component, so use an empty path. */
|
|
*imppath = "";
|
|
else if (length == 1)
|
|
/* The filename is in the root directory. */
|
|
*imppath = "/";
|
|
else
|
|
{
|
|
/* Extract the (non-empty) directory part. Note that we don't
|
|
need to strip duplicate directory separators from any part
|
|
of the string; the native linker doesn't do that either. */
|
|
path = bfd_alloc (abfd, length);
|
|
if (path == NULL)
|
|
return FALSE;
|
|
memcpy (path, filename, length - 1);
|
|
path[length - 1] = 0;
|
|
*imppath = path;
|
|
}
|
|
*impfile = basename;
|
|
return TRUE;
|
|
}
|
|
|
|
/* Set ARCHIVE's import path as though its filename had been given
|
|
as FILENAME. */
|
|
|
|
bfd_boolean
|
|
bfd_xcoff_set_archive_import_path (struct bfd_link_info *info,
|
|
bfd *archive, const char *filename)
|
|
{
|
|
struct xcoff_archive_info *archive_info;
|
|
|
|
archive_info = xcoff_get_archive_info (info, archive);
|
|
return (archive_info != NULL
|
|
&& bfd_xcoff_split_import_path (archive, filename,
|
|
&archive_info->imppath,
|
|
&archive_info->impfile));
|
|
}
|
|
|
|
/* H is an imported symbol. Set the import module's path, file and member
|
|
to IMPATH, IMPFILE and IMPMEMBER respectively. All three are null if
|
|
no specific import module is specified. */
|
|
|
|
static bfd_boolean
|
|
xcoff_set_import_path (struct bfd_link_info *info,
|
|
struct xcoff_link_hash_entry *h,
|
|
const char *imppath, const char *impfile,
|
|
const char *impmember)
|
|
{
|
|
unsigned int c;
|
|
struct xcoff_import_file **pp;
|
|
|
|
/* We overload the ldindx field to hold the l_ifile value for this
|
|
symbol. */
|
|
BFD_ASSERT (h->ldsym == NULL);
|
|
BFD_ASSERT ((h->flags & XCOFF_BUILT_LDSYM) == 0);
|
|
if (imppath == NULL)
|
|
h->ldindx = -1;
|
|
else
|
|
{
|
|
/* We start c at 1 because the first entry in the import list is
|
|
reserved for the library search path. */
|
|
for (pp = &xcoff_hash_table (info)->imports, c = 1;
|
|
*pp != NULL;
|
|
pp = &(*pp)->next, ++c)
|
|
{
|
|
if (strcmp ((*pp)->path, imppath) == 0
|
|
&& strcmp ((*pp)->file, impfile) == 0
|
|
&& strcmp ((*pp)->member, impmember) == 0)
|
|
break;
|
|
}
|
|
|
|
if (*pp == NULL)
|
|
{
|
|
struct xcoff_import_file *n;
|
|
bfd_size_type amt = sizeof (* n);
|
|
|
|
n = bfd_alloc (info->output_bfd, amt);
|
|
if (n == NULL)
|
|
return FALSE;
|
|
n->next = NULL;
|
|
n->path = imppath;
|
|
n->file = impfile;
|
|
n->member = impmember;
|
|
*pp = n;
|
|
}
|
|
h->ldindx = c;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/* H is the bfd symbol associated with exported .loader symbol LDSYM.
|
|
Return true if LDSYM defines H. */
|
|
|
|
static bfd_boolean
|
|
xcoff_dynamic_definition_p (struct xcoff_link_hash_entry *h,
|
|
struct internal_ldsym *ldsym)
|
|
{
|
|
/* If we didn't know about H before processing LDSYM, LDSYM
|
|
definitely defines H. */
|
|
if (h->root.type == bfd_link_hash_new)
|
|
return TRUE;
|
|
|
|
/* If H is currently a weak dynamic symbol, and if LDSYM is a strong
|
|
dynamic symbol, LDSYM trumps the current definition of H. */
|
|
if ((ldsym->l_smtype & L_WEAK) == 0
|
|
&& (h->flags & XCOFF_DEF_DYNAMIC) != 0
|
|
&& (h->flags & XCOFF_DEF_REGULAR) == 0
|
|
&& (h->root.type == bfd_link_hash_defweak
|
|
|| h->root.type == bfd_link_hash_undefweak))
|
|
return TRUE;
|
|
|
|
/* If H is currently undefined, LDSYM defines it. */
|
|
if ((h->flags & XCOFF_DEF_DYNAMIC) == 0
|
|
&& (h->root.type == bfd_link_hash_undefined
|
|
|| h->root.type == bfd_link_hash_undefweak))
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
/* This function is used to add symbols from a dynamic object to the
|
/* This function is used to add symbols from a dynamic object to the
|
global symbol table. */
|
global symbol table. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
xcoff_link_add_dynamic_symbols (bfd *abfd, struct bfd_link_info *info)
|
xcoff_link_add_dynamic_symbols (bfd *abfd, struct bfd_link_info *info)
|
| Line 550... |
Line 823... |
bfd_byte *contents;
|
bfd_byte *contents;
|
struct internal_ldhdr ldhdr;
|
struct internal_ldhdr ldhdr;
|
const char *strings;
|
const char *strings;
|
bfd_byte *elsym, *elsymend;
|
bfd_byte *elsym, *elsymend;
|
struct xcoff_import_file *n;
|
struct xcoff_import_file *n;
|
const char *bname;
|
|
const char *mname;
|
|
const char *s;
|
|
unsigned int c;
|
unsigned int c;
|
struct xcoff_import_file **pp;
|
struct xcoff_import_file **pp;
|
|
|
/* We can only handle a dynamic object if we are generating an XCOFF
|
/* We can only handle a dynamic object if we are generating an XCOFF
|
output file. */
|
output file. */
|
| Line 636... |
Line 906... |
h = xcoff_link_hash_lookup (xcoff_hash_table (info), name, TRUE,
|
h = xcoff_link_hash_lookup (xcoff_hash_table (info), name, TRUE,
|
TRUE, TRUE);
|
TRUE, TRUE);
|
if (h == NULL)
|
if (h == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
h->flags |= XCOFF_DEF_DYNAMIC;
|
if (!xcoff_dynamic_definition_p (h, &ldsym))
|
|
continue;
|
/* If the symbol is undefined, and the BFD it was found in is
|
|
not a dynamic object, change the BFD to this dynamic object,
|
|
so that we can get the correct import file ID. */
|
|
if ((h->root.type == bfd_link_hash_undefined
|
|
|| h->root.type == bfd_link_hash_undefweak)
|
|
&& (h->root.u.undef.abfd == NULL
|
|
|| (h->root.u.undef.abfd->flags & DYNAMIC) == 0))
|
|
h->root.u.undef.abfd = abfd;
|
|
|
|
if (h->root.type == bfd_link_hash_new)
|
|
{
|
|
h->root.type = bfd_link_hash_undefined;
|
|
h->root.u.undef.abfd = abfd;
|
|
/* We do not want to add this to the undefined symbol list. */
|
|
}
|
|
|
|
if (h->smclas == XMC_UA
|
h->flags |= XCOFF_DEF_DYNAMIC;
|
|| h->root.type == bfd_link_hash_undefined
|
|
|| h->root.type == bfd_link_hash_undefweak)
|
|
h->smclas = ldsym.l_smclas;
|
h->smclas = ldsym.l_smclas;
|
|
if (h->smclas == XMC_XO)
|
/* Unless this is an XMC_XO symbol, we don't bother to actually
|
|
define it, since we don't have a section to put it in anyhow.
|
|
Instead, the relocation routines handle the DEF_DYNAMIC flag
|
|
correctly. */
|
|
|
|
if (h->smclas == XMC_XO
|
|
&& (h->root.type == bfd_link_hash_undefined
|
|
|| h->root.type == bfd_link_hash_undefweak))
|
|
{
|
{
|
/* This symbol has an absolute value. */
|
/* This symbol has an absolute value. */
|
|
if ((ldsym.l_smtype & L_WEAK) != 0)
|
|
h->root.type = bfd_link_hash_defweak;
|
|
else
|
h->root.type = bfd_link_hash_defined;
|
h->root.type = bfd_link_hash_defined;
|
h->root.u.def.section = bfd_abs_section_ptr;
|
h->root.u.def.section = bfd_abs_section_ptr;
|
h->root.u.def.value = ldsym.l_value;
|
h->root.u.def.value = ldsym.l_value;
|
}
|
}
|
|
else
|
|
{
|
|
/* Otherwise, we don't bother to actually define the symbol,
|
|
since we don't have a section to put it in anyhow.
|
|
We assume instead that an undefined XCOFF_DEF_DYNAMIC symbol
|
|
should be imported from the symbol's undef.abfd. */
|
|
if ((ldsym.l_smtype & L_WEAK) != 0)
|
|
h->root.type = bfd_link_hash_undefweak;
|
|
else
|
|
h->root.type = bfd_link_hash_undefined;
|
|
h->root.u.undef.abfd = abfd;
|
|
}
|
|
|
/* If this symbol defines a function descriptor, then it
|
/* If this symbol defines a function descriptor, then it
|
implicitly defines the function code as well. */
|
implicitly defines the function code as well. */
|
if (h->smclas == XMC_DS
|
if (h->smclas == XMC_DS
|
|| (h->smclas == XMC_XO && name[0] != '.'))
|
|| (h->smclas == XMC_XO && name[0] != '.'))
|
| Line 699... |
Line 959... |
TRUE, TRUE, TRUE);
|
TRUE, TRUE, TRUE);
|
free (dsnm);
|
free (dsnm);
|
if (hds == NULL)
|
if (hds == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
if (hds->root.type == bfd_link_hash_new)
|
|
{
|
|
hds->root.type = bfd_link_hash_undefined;
|
|
hds->root.u.undef.abfd = abfd;
|
|
/* We do not want to add this to the undefined
|
|
symbol list. */
|
|
}
|
|
|
|
hds->descriptor = h;
|
hds->descriptor = h;
|
h->descriptor = hds;
|
h->descriptor = hds;
|
}
|
}
|
|
|
|
if (xcoff_dynamic_definition_p (hds, &ldsym))
|
|
{
|
|
hds->root.type = h->root.type;
|
hds->flags |= XCOFF_DEF_DYNAMIC;
|
hds->flags |= XCOFF_DEF_DYNAMIC;
|
if (hds->smclas == XMC_UA)
|
if (h->smclas == XMC_XO)
|
hds->smclas = XMC_PR;
|
{
|
|
|
/* An absolute symbol appears to actually define code, not a
|
/* An absolute symbol appears to actually define code, not a
|
function descriptor. This is how some math functions are
|
function descriptor. This is how some math functions are
|
implemented on AIX 4.1. */
|
implemented on AIX 4.1. */
|
if (h->smclas == XMC_XO
|
|
&& (hds->root.type == bfd_link_hash_undefined
|
|
|| hds->root.type == bfd_link_hash_undefweak))
|
|
{
|
|
hds->smclas = XMC_XO;
|
hds->smclas = XMC_XO;
|
hds->root.type = bfd_link_hash_defined;
|
|
hds->root.u.def.section = bfd_abs_section_ptr;
|
hds->root.u.def.section = bfd_abs_section_ptr;
|
hds->root.u.def.value = ldsym.l_value;
|
hds->root.u.def.value = ldsym.l_value;
|
}
|
}
|
|
else
|
|
{
|
|
hds->smclas = XMC_PR;
|
|
hds->root.u.undef.abfd = abfd;
|
|
/* We do not want to add this to the undefined
|
|
symbol list. */
|
|
}
|
|
}
|
}
|
}
|
}
|
}
|
|
|
if (contents != NULL && ! coff_section_data (abfd, lsec)->keep_contents)
|
if (contents != NULL && ! coff_section_data (abfd, lsec)->keep_contents)
|
{
|
{
|
| Line 742... |
Line 999... |
n = bfd_alloc (abfd, (bfd_size_type) sizeof (struct xcoff_import_file));
|
n = bfd_alloc (abfd, (bfd_size_type) sizeof (struct xcoff_import_file));
|
if (n == NULL)
|
if (n == NULL)
|
return FALSE;
|
return FALSE;
|
n->next = NULL;
|
n->next = NULL;
|
|
|
/* For some reason, the path entry in the import file list for a
|
|
shared object appears to always be empty. The file name is the
|
|
base name. */
|
|
n->path = "";
|
|
if (abfd->my_archive == NULL)
|
if (abfd->my_archive == NULL)
|
{
|
{
|
bname = bfd_get_filename (abfd);
|
if (!bfd_xcoff_split_import_path (abfd, abfd->filename,
|
mname = "";
|
&n->path, &n->file))
|
|
return FALSE;
|
|
n->member = "";
|
}
|
}
|
else
|
else
|
{
|
{
|
bname = bfd_get_filename (abfd->my_archive);
|
struct xcoff_archive_info *archive_info;
|
mname = bfd_get_filename (abfd);
|
|
|
archive_info = xcoff_get_archive_info (info, abfd->my_archive);
|
|
if (!archive_info->impfile)
|
|
{
|
|
if (!bfd_xcoff_split_import_path (archive_info->archive,
|
|
archive_info->archive->filename,
|
|
&archive_info->imppath,
|
|
&archive_info->impfile))
|
|
return FALSE;
|
|
}
|
|
n->path = archive_info->imppath;
|
|
n->file = archive_info->impfile;
|
|
n->member = bfd_get_filename (abfd);
|
}
|
}
|
s = strrchr (bname, '/');
|
|
if (s != NULL)
|
|
bname = s + 1;
|
|
n->file = bname;
|
|
n->member = mname;
|
|
|
|
/* We start c at 1 because the first import file number is reserved
|
/* We start c at 1 because the first import file number is reserved
|
for LIBPATH. */
|
for LIBPATH. */
|
for (pp = &xcoff_hash_table (info)->imports, c = 1;
|
for (pp = &xcoff_hash_table (info)->imports, c = 1;
|
*pp != NULL;
|
*pp != NULL;
|
| Line 790... |
Line 1052... |
{
|
{
|
/* We need to build a .loader section, so we do it here. This
|
/* We need to build a .loader section, so we do it here. This
|
won't work if we're producing an XCOFF output file with no
|
won't work if we're producing an XCOFF output file with no
|
XCOFF input files. FIXME. */
|
XCOFF input files. FIXME. */
|
|
|
if (xcoff_hash_table (info)->loader_section == NULL)
|
if (!info->relocatable
|
|
&& xcoff_hash_table (info)->loader_section == NULL)
|
{
|
{
|
asection *lsec;
|
asection *lsec;
|
flagword flags = SEC_HAS_CONTENTS | SEC_IN_MEMORY;
|
flagword flags = SEC_HAS_CONTENTS | SEC_IN_MEMORY;
|
|
|
lsec = bfd_make_section_anyway_with_flags (abfd, ".loader", flags);
|
lsec = bfd_make_section_anyway_with_flags (abfd, ".loader", flags);
|
| Line 945... |
Line 1208... |
unsigned int n_btshft;
|
unsigned int n_btshft;
|
bfd_boolean default_copy;
|
bfd_boolean default_copy;
|
bfd_size_type symcount;
|
bfd_size_type symcount;
|
struct xcoff_link_hash_entry **sym_hash;
|
struct xcoff_link_hash_entry **sym_hash;
|
asection **csect_cache;
|
asection **csect_cache;
|
|
unsigned int *lineno_counts;
|
bfd_size_type linesz;
|
bfd_size_type linesz;
|
asection *o;
|
asection *o;
|
asection *last_real;
|
asection *last_real;
|
bfd_boolean keep_syms;
|
bfd_boolean keep_syms;
|
asection *csect;
|
asection *csect;
|
| Line 1011... |
Line 1275... |
csect_cache = bfd_zalloc (abfd, amt);
|
csect_cache = bfd_zalloc (abfd, amt);
|
if (csect_cache == NULL && symcount != 0)
|
if (csect_cache == NULL && symcount != 0)
|
goto error_return;
|
goto error_return;
|
xcoff_data (abfd)->csects = csect_cache;
|
xcoff_data (abfd)->csects = csect_cache;
|
|
|
|
/* We garbage-collect line-number information on a symbol-by-symbol
|
|
basis, so we need to have quick access to the number of entries
|
|
per symbol. */
|
|
amt = symcount * sizeof (unsigned int);
|
|
lineno_counts = bfd_zalloc (abfd, amt);
|
|
if (lineno_counts == NULL && symcount != 0)
|
|
goto error_return;
|
|
xcoff_data (abfd)->lineno_counts = lineno_counts;
|
|
|
/* While splitting sections into csects, we need to assign the
|
/* While splitting sections into csects, we need to assign the
|
relocs correctly. The relocs and the csects must both be in
|
relocs correctly. The relocs and the csects must both be in
|
order by VMA within a given section, so we handle this by
|
order by VMA within a given section, so we handle this by
|
scanning along the relocs as we process the csects. We index
|
scanning along the relocs as we process the csects. We index
|
into reloc_info using the section target_index. */
|
into reloc_info using the section target_index. */
|
| Line 1075... |
Line 1348... |
struct internal_syment sym;
|
struct internal_syment sym;
|
union internal_auxent aux;
|
union internal_auxent aux;
|
const char *name;
|
const char *name;
|
char buf[SYMNMLEN + 1];
|
char buf[SYMNMLEN + 1];
|
int smtyp;
|
int smtyp;
|
flagword flags;
|
|
asection *section;
|
asection *section;
|
bfd_vma value;
|
bfd_vma value;
|
struct xcoff_link_hash_entry *set_toc;
|
struct xcoff_link_hash_entry *set_toc;
|
|
|
bfd_coff_swap_sym_in (abfd, (void *) esym, (void *) &sym);
|
bfd_coff_swap_sym_in (abfd, (void *) esym, (void *) &sym);
|
|
|
/* In this pass we are only interested in symbols with csect
|
/* In this pass we are only interested in symbols with csect
|
information. */
|
information. */
|
if (sym.n_sclass != C_EXT && sym.n_sclass != C_HIDEXT)
|
if (!CSECT_SYM_P (sym.n_sclass))
|
{
|
{
|
/* Set csect_cache,
|
/* Set csect_cache,
|
Normally csect is a .pr, .rw etc. created in the loop
|
Normally csect is a .pr, .rw etc. created in the loop
|
If C_FILE or first time, handle special
|
If C_FILE or first time, handle special
|
|
|
Advance esym, sym_hash, csect_hash ptr's
|
Advance esym, sym_hash, csect_hash ptrs. */
|
Keep track of the last_symndx for the current file. */
|
if (sym.n_sclass == C_FILE)
|
if (sym.n_sclass == C_FILE && csect != NULL)
|
|
{
|
|
xcoff_section_data (abfd, csect)->last_symndx =
|
|
((esym
|
|
- (bfd_byte *) obj_coff_external_syms (abfd))
|
|
/ symesz);
|
|
csect = NULL;
|
csect = NULL;
|
}
|
|
|
|
if (csect != NULL)
|
if (csect != NULL)
|
*csect_cache = csect;
|
*csect_cache = csect;
|
else if (first_csect == NULL || sym.n_sclass == C_FILE)
|
else if (first_csect == NULL || sym.n_sclass == C_FILE)
|
*csect_cache = coff_section_from_bfd_index (abfd, sym.n_scnum);
|
*csect_cache = coff_section_from_bfd_index (abfd, sym.n_scnum);
|
else
|
else
|
*csect_cache = NULL;
|
*csect_cache = NULL;
|
esym += (sym.n_numaux + 1) * symesz;
|
esym += (sym.n_numaux + 1) * symesz;
|
sym_hash += sym.n_numaux + 1;
|
sym_hash += sym.n_numaux + 1;
|
csect_cache += sym.n_numaux + 1;
|
csect_cache += sym.n_numaux + 1;
|
|
lineno_counts += sym.n_numaux + 1;
|
|
|
continue;
|
continue;
|
}
|
}
|
|
|
name = _bfd_coff_internal_syment_name (abfd, &sym, buf);
|
name = _bfd_coff_internal_syment_name (abfd, &sym, buf);
|
| Line 1180... |
Line 1445... |
bfd_coff_swap_lineno_in (abfd, (void *) linp,
|
bfd_coff_swap_lineno_in (abfd, (void *) linp,
|
(void *) &lin);
|
(void *) &lin);
|
if (lin.l_lnno == 0)
|
if (lin.l_lnno == 0)
|
break;
|
break;
|
}
|
}
|
csect->lineno_count += (linp - linpstart) / linesz;
|
*lineno_counts = (linp - linpstart) / linesz;
|
/* The setting of line_filepos will only be
|
/* The setting of line_filepos will only be
|
useful if all the line number entries for a
|
useful if all the line number entries for a
|
csect are contiguous; this only matters for
|
csect are contiguous; this only matters for
|
error reporting. */
|
error reporting. */
|
if (csect->line_filepos == 0)
|
if (csect->line_filepos == 0)
|
| Line 1211... |
Line 1476... |
sym.n_numaux - 1, sym.n_numaux,
|
sym.n_numaux - 1, sym.n_numaux,
|
(void *) &aux);
|
(void *) &aux);
|
|
|
smtyp = SMTYP_SMTYP (aux.x_csect.x_smtyp);
|
smtyp = SMTYP_SMTYP (aux.x_csect.x_smtyp);
|
|
|
flags = BSF_GLOBAL;
|
|
section = NULL;
|
section = NULL;
|
value = 0;
|
value = 0;
|
set_toc = NULL;
|
set_toc = NULL;
|
|
|
switch (smtyp)
|
switch (smtyp)
|
| Line 1251... |
Line 1515... |
value = sym.n_value;
|
value = sym.n_value;
|
}
|
}
|
break;
|
break;
|
|
|
case XTY_SD:
|
case XTY_SD:
|
/* This is a csect definition. */
|
|
if (csect != NULL)
|
|
{
|
|
xcoff_section_data (abfd, csect)->last_symndx =
|
|
((esym - (bfd_byte *) obj_coff_external_syms (abfd)) / symesz);
|
|
}
|
|
|
|
csect = NULL;
|
csect = NULL;
|
csect_index = -(unsigned) 1;
|
csect_index = -(unsigned) 1;
|
|
|
/* When we see a TOC anchor, we record the TOC value. */
|
/* When we see a TOC anchor, we record the TOC value. */
|
if (aux.x_csect.x_smclas == XMC_TC0)
|
if (aux.x_csect.x_smclas == XMC_TC0)
|
| Line 1329... |
Line 1586... |
struct internal_syment relsym;
|
struct internal_syment relsym;
|
|
|
erelsym = ((bfd_byte *) obj_coff_external_syms (abfd)
|
erelsym = ((bfd_byte *) obj_coff_external_syms (abfd)
|
+ rel->r_symndx * symesz);
|
+ rel->r_symndx * symesz);
|
bfd_coff_swap_sym_in (abfd, (void *) erelsym, (void *) &relsym);
|
bfd_coff_swap_sym_in (abfd, (void *) erelsym, (void *) &relsym);
|
if (relsym.n_sclass == C_EXT)
|
if (EXTERN_SYM_P (relsym.n_sclass))
|
{
|
{
|
const char *relname;
|
const char *relname;
|
char relbuf[SYMNMLEN + 1];
|
char relbuf[SYMNMLEN + 1];
|
bfd_boolean copy;
|
bfd_boolean copy;
|
struct xcoff_link_hash_entry *h;
|
struct xcoff_link_hash_entry *h;
|
| Line 1484... |
Line 1741... |
xcoff_section_data (abfd, csect)->first_symndx = csect_index;
|
xcoff_section_data (abfd, csect)->first_symndx = csect_index;
|
|
|
if (first_csect == NULL)
|
if (first_csect == NULL)
|
first_csect = csect;
|
first_csect = csect;
|
|
|
/* If this symbol is C_EXT, we treat it as starting at the
|
/* If this symbol is external, we treat it as starting at the
|
beginning of the newly created section. */
|
beginning of the newly created section. */
|
if (sym.n_sclass == C_EXT)
|
if (EXTERN_SYM_P (sym.n_sclass))
|
{
|
{
|
section = csect;
|
section = csect;
|
value = 0;
|
value = 0;
|
}
|
}
|
|
|
| Line 1539... |
Line 1796... |
an XMC_TD symbol. If this csect is externally visible,
|
an XMC_TD symbol. If this csect is externally visible,
|
it is a common symbol. We put XMC_TD symbols in sections
|
it is a common symbol. We put XMC_TD symbols in sections
|
named .tocbss, and rely on the linker script to put that
|
named .tocbss, and rely on the linker script to put that
|
in the TOC area. */
|
in the TOC area. */
|
|
|
if (csect != NULL)
|
|
{
|
|
xcoff_section_data (abfd, csect)->last_symndx =
|
|
((esym
|
|
- (bfd_byte *) obj_coff_external_syms (abfd))
|
|
/ symesz);
|
|
}
|
|
|
|
if (aux.x_csect.x_smclas == XMC_TD)
|
if (aux.x_csect.x_smclas == XMC_TD)
|
{
|
{
|
/* The linker script puts the .td section in the data
|
/* The linker script puts the .td section in the data
|
section after the .tc section. */
|
section after the .tc section. */
|
csect = bfd_make_section_anyway_with_flags (abfd, ".td",
|
csect = bfd_make_section_anyway_with_flags (abfd, ".td",
|
| Line 1583... |
Line 1832... |
xcoff_section_data (abfd, csect)->first_symndx = csect_index;
|
xcoff_section_data (abfd, csect)->first_symndx = csect_index;
|
|
|
if (first_csect == NULL)
|
if (first_csect == NULL)
|
first_csect = csect;
|
first_csect = csect;
|
|
|
if (sym.n_sclass == C_EXT)
|
if (EXTERN_SYM_P (sym.n_sclass))
|
{
|
{
|
csect->flags |= SEC_IS_COMMON;
|
csect->flags |= SEC_IS_COMMON;
|
csect->size = 0;
|
csect->size = 0;
|
section = csect;
|
section = csect;
|
value = aux.x_csect.x_scnlen.l;
|
value = aux.x_csect.x_scnlen.l;
|
| Line 1624... |
Line 1873... |
}
|
}
|
|
|
/* Now we have enough information to add the symbol to the
|
/* Now we have enough information to add the symbol to the
|
linker hash table. */
|
linker hash table. */
|
|
|
if (sym.n_sclass == C_EXT)
|
if (EXTERN_SYM_P (sym.n_sclass))
|
{
|
{
|
bfd_boolean copy;
|
bfd_boolean copy;
|
|
flagword flags;
|
|
|
BFD_ASSERT (section != NULL);
|
BFD_ASSERT (section != NULL);
|
|
|
/* We must copy the name into memory if we got it from the
|
/* We must copy the name into memory if we got it from the
|
syment itself, rather than the string table. */
|
syment itself, rather than the string table. */
|
copy = default_copy;
|
copy = default_copy;
|
if (sym._n._n_n._n_zeroes != 0
|
if (sym._n._n_n._n_zeroes != 0
|
|| sym._n._n_n._n_offset == 0)
|
|| sym._n._n_n._n_offset == 0)
|
copy = TRUE;
|
copy = TRUE;
|
|
|
|
/* Ignore global linkage code when linking statically. */
|
|
if (info->static_link
|
|
&& (smtyp == XTY_SD || smtyp == XTY_LD)
|
|
&& aux.x_csect.x_smclas == XMC_GL)
|
|
{
|
|
section = bfd_und_section_ptr;
|
|
value = 0;
|
|
}
|
|
|
/* The AIX linker appears to only detect multiple symbol
|
/* The AIX linker appears to only detect multiple symbol
|
definitions when there is a reference to the symbol. If
|
definitions when there is a reference to the symbol. If
|
a symbol is defined multiple times, and the only
|
a symbol is defined multiple times, and the only
|
references are from the same object file, the AIX linker
|
references are from the same object file, the AIX linker
|
appears to permit it. It does not merge the different
|
appears to permit it. It does not merge the different
|
| Line 1661... |
Line 1920... |
collection discard symbols.
|
collection discard symbols.
|
|
|
We also have to handle the case of statically linking a
|
We also have to handle the case of statically linking a
|
shared object, which will cause symbol redefinitions,
|
shared object, which will cause symbol redefinitions,
|
although this is an easier case to detect. */
|
although this is an easier case to detect. */
|
|
else if (info->output_bfd->xvec == abfd->xvec)
|
if (info->output_bfd->xvec == abfd->xvec)
|
|
{
|
{
|
if (! bfd_is_und_section (section))
|
if (! bfd_is_und_section (section))
|
*sym_hash = xcoff_link_hash_lookup (xcoff_hash_table (info),
|
*sym_hash = xcoff_link_hash_lookup (xcoff_hash_table (info),
|
name, TRUE, copy, FALSE);
|
name, TRUE, copy, FALSE);
|
else
|
else
|
| Line 1682... |
Line 1940... |
|| (*sym_hash)->root.type == bfd_link_hash_defweak)
|
|| (*sym_hash)->root.type == bfd_link_hash_defweak)
|
&& ! bfd_is_und_section (section)
|
&& ! bfd_is_und_section (section)
|
&& ! bfd_is_com_section (section))
|
&& ! bfd_is_com_section (section))
|
{
|
{
|
/* This is a second definition of a defined symbol. */
|
/* This is a second definition of a defined symbol. */
|
if ((abfd->flags & DYNAMIC) != 0
|
if (((*sym_hash)->flags & XCOFF_DEF_REGULAR) == 0
|
&& ((*sym_hash)->smclas != XMC_GL
|
&& ((*sym_hash)->flags & XCOFF_DEF_DYNAMIC) != 0)
|
|| aux.x_csect.x_smclas == XMC_GL
|
|
|| ((*sym_hash)->root.u.def.section->owner->flags
|
|
& DYNAMIC) == 0))
|
|
{
|
|
/* The new symbol is from a shared library, and
|
|
either the existing symbol is not global
|
|
linkage code or this symbol is global linkage
|
|
code. If the existing symbol is global
|
|
linkage code and the new symbol is not, then
|
|
we want to use the new symbol. */
|
|
section = bfd_und_section_ptr;
|
|
value = 0;
|
|
}
|
|
else if (((*sym_hash)->root.u.def.section->owner->flags
|
|
& DYNAMIC) != 0)
|
|
{
|
{
|
/* The existing symbol is from a shared library.
|
/* The existing symbol is from a shared library.
|
Replace it. */
|
Replace it. */
|
(*sym_hash)->root.type = bfd_link_hash_undefined;
|
(*sym_hash)->root.type = bfd_link_hash_undefined;
|
(*sym_hash)->root.u.undef.abfd =
|
(*sym_hash)->root.u.undef.abfd =
|
| Line 1714... |
Line 1957... |
in an archive. Just ignore it. See the
|
in an archive. Just ignore it. See the
|
comment above. */
|
comment above. */
|
section = bfd_und_section_ptr;
|
section = bfd_und_section_ptr;
|
value = 0;
|
value = 0;
|
}
|
}
|
|
else if (sym.n_sclass == C_AIX_WEAKEXT
|
|
|| (*sym_hash)->root.type == bfd_link_hash_defweak)
|
|
{
|
|
/* At least one of the definitions is weak.
|
|
Allow the normal rules to take effect. */
|
|
}
|
else if ((*sym_hash)->root.u.undef.next != NULL
|
else if ((*sym_hash)->root.u.undef.next != NULL
|
|| info->hash->undefs_tail == &(*sym_hash)->root)
|
|| info->hash->undefs_tail == &(*sym_hash)->root)
|
{
|
{
|
/* This symbol has been referenced. In this
|
/* This symbol has been referenced. In this
|
case, we just continue and permit the
|
case, we just continue and permit the
|
| Line 1733... |
Line 1982... |
value = 0;
|
value = 0;
|
(*sym_hash)->flags |= XCOFF_MULTIPLY_DEFINED;
|
(*sym_hash)->flags |= XCOFF_MULTIPLY_DEFINED;
|
}
|
}
|
}
|
}
|
else if (((*sym_hash)->flags & XCOFF_MULTIPLY_DEFINED) != 0
|
else if (((*sym_hash)->flags & XCOFF_MULTIPLY_DEFINED) != 0
|
&& ((*sym_hash)->root.type == bfd_link_hash_defined
|
&& (*sym_hash)->root.type == bfd_link_hash_defined
|
|| (*sym_hash)->root.type == bfd_link_hash_defweak)
|
|
&& (bfd_is_und_section (section)
|
&& (bfd_is_und_section (section)
|
|| bfd_is_com_section (section)))
|
|| bfd_is_com_section (section)))
|
{
|
{
|
/* This is a reference to a multiply defined symbol.
|
/* This is a reference to a multiply defined symbol.
|
Report the error now. See the comment above
|
Report the error now. See the comment above
|
| Line 1769... |
Line 2017... |
correctly, so temporarily clobber the link to the csects
|
correctly, so temporarily clobber the link to the csects
|
so that the linker will not try to read the line numbers
|
so that the linker will not try to read the line numbers
|
a second time from the csects. */
|
a second time from the csects. */
|
BFD_ASSERT (last_real->next == first_csect);
|
BFD_ASSERT (last_real->next == first_csect);
|
last_real->next = NULL;
|
last_real->next = NULL;
|
|
flags = (sym.n_sclass == C_EXT ? BSF_GLOBAL : BSF_WEAK);
|
if (! (_bfd_generic_link_add_one_symbol
|
if (! (_bfd_generic_link_add_one_symbol
|
(info, abfd, name, flags, section, value,
|
(info, abfd, name, flags, section, value,
|
NULL, copy, TRUE,
|
NULL, copy, TRUE,
|
(struct bfd_link_hash_entry **) sym_hash)))
|
(struct bfd_link_hash_entry **) sym_hash)))
|
goto error_return;
|
goto error_return;
|
| Line 1791... |
Line 2040... |
|
|
if (info->output_bfd->xvec == abfd->xvec)
|
if (info->output_bfd->xvec == abfd->xvec)
|
{
|
{
|
int flag;
|
int flag;
|
|
|
if (smtyp == XTY_ER || smtyp == XTY_CM)
|
if (smtyp == XTY_ER
|
|
|| smtyp == XTY_CM
|
|
|| section == bfd_und_section_ptr)
|
flag = XCOFF_REF_REGULAR;
|
flag = XCOFF_REF_REGULAR;
|
else
|
else
|
flag = XCOFF_DEF_REGULAR;
|
flag = XCOFF_DEF_REGULAR;
|
(*sym_hash)->flags |= flag;
|
(*sym_hash)->flags |= flag;
|
|
|
| Line 1803... |
Line 2054... |
|| flag == XCOFF_DEF_REGULAR)
|
|| flag == XCOFF_DEF_REGULAR)
|
(*sym_hash)->smclas = aux.x_csect.x_smclas;
|
(*sym_hash)->smclas = aux.x_csect.x_smclas;
|
}
|
}
|
}
|
}
|
|
|
|
if (smtyp == XTY_ER)
|
|
*csect_cache = section;
|
|
else
|
|
{
|
*csect_cache = csect;
|
*csect_cache = csect;
|
|
if (csect != NULL)
|
|
xcoff_section_data (abfd, csect)->last_symndx
|
|
= (esym - (bfd_byte *) obj_coff_external_syms (abfd)) / symesz;
|
|
}
|
|
|
esym += (sym.n_numaux + 1) * symesz;
|
esym += (sym.n_numaux + 1) * symesz;
|
sym_hash += sym.n_numaux + 1;
|
sym_hash += sym.n_numaux + 1;
|
csect_cache += sym.n_numaux + 1;
|
csect_cache += sym.n_numaux + 1;
|
|
lineno_counts += sym.n_numaux + 1;
|
}
|
}
|
|
|
BFD_ASSERT (last_real == NULL || last_real->next == first_csect);
|
BFD_ASSERT (last_real == NULL || last_real->next == first_csect);
|
|
|
/* Make sure that we have seen all the relocs. */
|
/* Make sure that we have seen all the relocs. */
|
| Line 1843... |
Line 2103... |
abfd, o->name, i);
|
abfd, o->name, i);
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
goto error_return;
|
goto error_return;
|
}
|
}
|
|
|
/* We identify all symbols which are called, so that we
|
/* We identify all function symbols that are the target
|
can create glue code for calls to functions imported
|
of a relocation, so that we can create glue code for
|
from dynamic objects. */
|
functions imported from dynamic objects. */
|
if (info->output_bfd->xvec == abfd->xvec
|
if (info->output_bfd->xvec == abfd->xvec
|
&& *rel_csect != bfd_und_section_ptr
|
&& *rel_csect != bfd_und_section_ptr
|
&& (rel->r_type == R_BR
|
|
|| rel->r_type == R_RBR)
|
|
&& obj_xcoff_sym_hashes (abfd)[rel->r_symndx] != NULL)
|
&& obj_xcoff_sym_hashes (abfd)[rel->r_symndx] != NULL)
|
{
|
{
|
struct xcoff_link_hash_entry *h;
|
struct xcoff_link_hash_entry *h;
|
|
|
h = obj_xcoff_sym_hashes (abfd)[rel->r_symndx];
|
h = obj_xcoff_sym_hashes (abfd)[rel->r_symndx];
|
h->flags |= XCOFF_CALLED;
|
|
/* If the symbol name starts with a period, it is
|
/* If the symbol name starts with a period, it is
|
the code of a function. If the symbol is
|
the code of a function. If the symbol is
|
currently undefined, then add an undefined symbol
|
currently undefined, then add an undefined symbol
|
for the function descriptor. This should do no
|
for the function descriptor. This should do no
|
harm, because any regular object that defines the
|
harm, because any regular object that defines the
|
| Line 1888... |
Line 2145... |
TRUE, &bh)))
|
TRUE, &bh)))
|
goto error_return;
|
goto error_return;
|
hds = (struct xcoff_link_hash_entry *) bh;
|
hds = (struct xcoff_link_hash_entry *) bh;
|
}
|
}
|
hds->flags |= XCOFF_DESCRIPTOR;
|
hds->flags |= XCOFF_DESCRIPTOR;
|
BFD_ASSERT ((hds->flags & XCOFF_CALLED) == 0
|
BFD_ASSERT ((h->flags & XCOFF_DESCRIPTOR) == 0);
|
&& (h->flags & XCOFF_DESCRIPTOR) == 0);
|
|
hds->descriptor = h;
|
hds->descriptor = h;
|
h->descriptor = hds;
|
h->descriptor = hds;
|
}
|
}
|
|
if (h->root.root.string[0] == '.')
|
|
h->flags |= XCOFF_CALLED;
|
}
|
}
|
}
|
}
|
|
|
free (reloc_info[o->target_index].csects);
|
free (reloc_info[o->target_index].csects);
|
reloc_info[o->target_index].csects = NULL;
|
reloc_info[o->target_index].csects = NULL;
|
| Line 2076... |
Line 2334... |
{
|
{
|
struct internal_syment sym;
|
struct internal_syment sym;
|
|
|
bfd_coff_swap_sym_in (abfd, (void *) esym, (void *) &sym);
|
bfd_coff_swap_sym_in (abfd, (void *) esym, (void *) &sym);
|
|
|
if (sym.n_sclass == C_EXT && sym.n_scnum != N_UNDEF)
|
if (EXTERN_SYM_P (sym.n_sclass) && sym.n_scnum != N_UNDEF)
|
{
|
{
|
const char *name;
|
const char *name;
|
char buf[SYMNMLEN + 1];
|
char buf[SYMNMLEN + 1];
|
struct bfd_link_hash_entry *h;
|
struct bfd_link_hash_entry *h;
|
|
|
| Line 2125... |
Line 2383... |
static bfd_boolean
|
static bfd_boolean
|
xcoff_link_check_archive_element (bfd *abfd,
|
xcoff_link_check_archive_element (bfd *abfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
bfd_boolean *pneeded)
|
bfd_boolean *pneeded)
|
{
|
{
|
|
bfd_boolean keep_syms_p;
|
|
|
|
keep_syms_p = (obj_coff_external_syms (abfd) != NULL);
|
if (! _bfd_coff_get_external_symbols (abfd))
|
if (! _bfd_coff_get_external_symbols (abfd))
|
return FALSE;
|
return FALSE;
|
|
|
if (! xcoff_link_check_ar_symbols (abfd, info, pneeded))
|
if (! xcoff_link_check_ar_symbols (abfd, info, pneeded))
|
return FALSE;
|
return FALSE;
|
|
|
if (*pneeded)
|
if (*pneeded)
|
{
|
{
|
if (! xcoff_link_add_symbols (abfd, info))
|
if (! xcoff_link_add_symbols (abfd, info))
|
return FALSE;
|
return FALSE;
|
|
if (info->keep_memory)
|
|
keep_syms_p = TRUE;
|
}
|
}
|
|
|
if (! info->keep_memory || ! *pneeded)
|
if (!keep_syms_p)
|
{
|
{
|
if (! _bfd_coff_free_symbols (abfd))
|
if (! _bfd_coff_free_symbols (abfd))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
| Line 2201... |
Line 2464... |
bfd_set_error (bfd_error_wrong_format);
|
bfd_set_error (bfd_error_wrong_format);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
/* Mark a symbol as not being garbage, including the section in which
|
bfd_boolean
|
it is defined. */
|
_bfd_xcoff_define_common_symbol (bfd *output_bfd ATTRIBUTE_UNUSED,
|
|
struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
static inline bfd_boolean
|
struct bfd_link_hash_entry *harg)
|
xcoff_mark_symbol (struct bfd_link_info *info, struct xcoff_link_hash_entry *h)
|
|
{
|
|
if ((h->flags & XCOFF_MARK) != 0)
|
|
return TRUE;
|
|
|
|
h->flags |= XCOFF_MARK;
|
|
if (h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak)
|
|
{
|
{
|
asection *hsec;
|
struct xcoff_link_hash_entry *h;
|
|
|
hsec = h->root.u.def.section;
|
if (!bfd_generic_define_common_symbol (output_bfd, info, harg))
|
if (! bfd_is_abs_section (hsec)
|
|
&& (hsec->flags & SEC_MARK) == 0)
|
|
{
|
|
if (! xcoff_mark (info, hsec))
|
|
return FALSE;
|
return FALSE;
|
|
|
|
h = (struct xcoff_link_hash_entry *) harg;
|
|
h->flags |= XCOFF_DEF_REGULAR;
|
|
return TRUE;
|
}
|
}
|
}
|
|
|
/* If symbol H has not been interpreted as a function descriptor,
|
|
see whether it should be. Set up its descriptor information if so. */
|
|
|
if (h->toc_section != NULL
|
static bfd_boolean
|
&& (h->toc_section->flags & SEC_MARK) == 0)
|
xcoff_find_function (struct bfd_link_info *info,
|
|
struct xcoff_link_hash_entry *h)
|
|
{
|
|
if ((h->flags & XCOFF_DESCRIPTOR) == 0
|
|
&& h->root.root.string[0] != '.')
|
|
{
|
|
char *fnname;
|
|
struct xcoff_link_hash_entry *hfn;
|
|
bfd_size_type amt;
|
|
|
|
amt = strlen (h->root.root.string) + 2;
|
|
fnname = bfd_malloc (amt);
|
|
if (fnname == NULL)
|
|
return FALSE;
|
|
fnname[0] = '.';
|
|
strcpy (fnname + 1, h->root.root.string);
|
|
hfn = xcoff_link_hash_lookup (xcoff_hash_table (info),
|
|
fnname, FALSE, FALSE, TRUE);
|
|
free (fnname);
|
|
if (hfn != NULL
|
|
&& hfn->smclas == XMC_PR
|
|
&& (hfn->root.type == bfd_link_hash_defined
|
|
|| hfn->root.type == bfd_link_hash_defweak))
|
|
{
|
|
h->flags |= XCOFF_DESCRIPTOR;
|
|
h->descriptor = hfn;
|
|
hfn->descriptor = h;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/* Return true if the given bfd contains at least one shared object. */
|
|
|
|
static bfd_boolean
|
|
xcoff_archive_contains_shared_object_p (struct bfd_link_info *info,
|
|
bfd *archive)
|
|
{
|
|
struct xcoff_archive_info *archive_info;
|
|
bfd *member;
|
|
|
|
archive_info = xcoff_get_archive_info (info, archive);
|
|
if (!archive_info->know_contains_shared_object_p)
|
|
{
|
|
member = bfd_openr_next_archived_file (archive, NULL);
|
|
while (member != NULL && (member->flags & DYNAMIC) == 0)
|
|
member = bfd_openr_next_archived_file (archive, member);
|
|
|
|
archive_info->contains_shared_object_p = (member != NULL);
|
|
archive_info->know_contains_shared_object_p = 1;
|
|
}
|
|
return archive_info->contains_shared_object_p;
|
|
}
|
|
|
|
/* Symbol H qualifies for export by -bexpfull. Return true if it also
|
|
qualifies for export by -bexpall. */
|
|
|
|
static bfd_boolean
|
|
xcoff_covered_by_expall_p (struct xcoff_link_hash_entry *h)
|
|
{
|
|
/* Exclude symbols beginning with '_'. */
|
|
if (h->root.root.string[0] == '_')
|
|
return FALSE;
|
|
|
|
/* Exclude archive members that would otherwise be unreferenced. */
|
|
if ((h->flags & XCOFF_MARK) == 0
|
|
&& (h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak)
|
|
&& h->root.u.def.section->owner != NULL
|
|
&& h->root.u.def.section->owner->my_archive != NULL)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/* Return true if symbol H qualifies for the forms of automatic export
|
|
specified by AUTO_EXPORT_FLAGS. */
|
|
|
|
static bfd_boolean
|
|
xcoff_auto_export_p (struct bfd_link_info *info,
|
|
struct xcoff_link_hash_entry *h,
|
|
unsigned int auto_export_flags)
|
|
{
|
|
/* Don't automatically export things that were explicitly exported. */
|
|
if ((h->flags & XCOFF_EXPORT) != 0)
|
|
return FALSE;
|
|
|
|
/* Don't export things that we don't define. */
|
|
if ((h->flags & XCOFF_DEF_REGULAR) == 0)
|
|
return FALSE;
|
|
|
|
/* Don't export functions; export their descriptors instead. */
|
|
if (h->root.root.string[0] == '.')
|
|
return FALSE;
|
|
|
|
/* We don't export a symbol which is being defined by an object
|
|
included from an archive which contains a shared object. The
|
|
rationale is that if an archive contains both an unshared and
|
|
a shared object, then there must be some reason that the
|
|
unshared object is unshared, and we don't want to start
|
|
providing a shared version of it. In particular, this solves
|
|
a bug involving the _savefNN set of functions. gcc will call
|
|
those functions without providing a slot to restore the TOC,
|
|
so it is essential that these functions be linked in directly
|
|
and not from a shared object, which means that a shared
|
|
object which also happens to link them in must not export
|
|
them. This is confusing, but I haven't been able to think of
|
|
a different approach. Note that the symbols can, of course,
|
|
be exported explicitly. */
|
|
if (h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak)
|
|
{
|
|
bfd *owner;
|
|
|
|
owner = h->root.u.def.section->owner;
|
|
if (owner != NULL
|
|
&& owner->my_archive != NULL
|
|
&& xcoff_archive_contains_shared_object_p (info, owner->my_archive))
|
|
return FALSE;
|
|
}
|
|
|
|
/* Otherwise, all symbols are exported by -bexpfull. */
|
|
if ((auto_export_flags & XCOFF_EXPFULL) != 0)
|
|
return TRUE;
|
|
|
|
/* Despite its name, -bexpall exports most but not all symbols. */
|
|
if ((auto_export_flags & XCOFF_EXPALL) != 0
|
|
&& xcoff_covered_by_expall_p (h))
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/* Return true if relocation REL needs to be copied to the .loader section.
|
|
If REL is against a global symbol, H is that symbol, otherwise it
|
|
is null. */
|
|
|
|
static bfd_boolean
|
|
xcoff_need_ldrel_p (struct bfd_link_info *info, struct internal_reloc *rel,
|
|
struct xcoff_link_hash_entry *h)
|
|
{
|
|
if (!xcoff_hash_table (info)->loader_section)
|
|
return FALSE;
|
|
|
|
switch (rel->r_type)
|
|
{
|
|
case R_TOC:
|
|
case R_GL:
|
|
case R_TCL:
|
|
case R_TRL:
|
|
case R_TRLA:
|
|
/* We should never need a .loader reloc for a TOC-relative reloc. */
|
|
return FALSE;
|
|
|
|
default:
|
|
/* In this case, relocations against defined symbols can be resolved
|
|
statically. */
|
|
if (h == NULL
|
|
|| h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak
|
|
|| h->root.type == bfd_link_hash_common)
|
|
return FALSE;
|
|
|
|
/* We will always provide a local definition of function symbols,
|
|
even if we don't have one yet. */
|
|
if ((h->flags & XCOFF_CALLED) != 0)
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
|
|
case R_POS:
|
|
case R_NEG:
|
|
case R_RL:
|
|
case R_RLA:
|
|
/* Absolute relocations against absolute symbols can be
|
|
resolved statically. */
|
|
if (h != NULL
|
|
&& (h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak)
|
|
&& bfd_is_abs_section (h->root.u.def.section))
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
/* Mark a symbol as not being garbage, including the section in which
|
|
it is defined. */
|
|
|
|
static inline bfd_boolean
|
|
xcoff_mark_symbol (struct bfd_link_info *info, struct xcoff_link_hash_entry *h)
|
|
{
|
|
if ((h->flags & XCOFF_MARK) != 0)
|
|
return TRUE;
|
|
|
|
h->flags |= XCOFF_MARK;
|
|
|
|
/* If we're marking an undefined symbol, try find some way of
|
|
defining it. */
|
|
if (!info->relocatable
|
|
&& (h->flags & XCOFF_IMPORT) == 0
|
|
&& (h->flags & XCOFF_DEF_REGULAR) == 0
|
|
&& (h->root.type == bfd_link_hash_undefined
|
|
|| h->root.type == bfd_link_hash_undefweak))
|
|
{
|
|
/* First check whether this symbol can be interpreted as an
|
|
undefined function descriptor for a defined function symbol. */
|
|
if (!xcoff_find_function (info, h))
|
|
return FALSE;
|
|
|
|
if ((h->flags & XCOFF_DESCRIPTOR) != 0
|
|
&& (h->descriptor->root.type == bfd_link_hash_defined
|
|
|| h->descriptor->root.type == bfd_link_hash_defweak))
|
|
{
|
|
/* This is a descriptor for a defined symbol, but the input
|
|
objects have not defined the descriptor itself. Fill in
|
|
the definition automatically.
|
|
|
|
Note that we do this even if we found a dynamic definition
|
|
of H. The local function definition logically overrides
|
|
the dynamic one. */
|
|
asection *sec;
|
|
|
|
sec = xcoff_hash_table (info)->descriptor_section;
|
|
h->root.type = bfd_link_hash_defined;
|
|
h->root.u.def.section = sec;
|
|
h->root.u.def.value = sec->size;
|
|
h->smclas = XMC_DS;
|
|
h->flags |= XCOFF_DEF_REGULAR;
|
|
|
|
/* The size of the function descriptor depends on whether this
|
|
is xcoff32 (12) or xcoff64 (24). */
|
|
sec->size += bfd_xcoff_function_descriptor_size (sec->owner);
|
|
|
|
/* A function descriptor uses two relocs: one for the
|
|
associated code, and one for the TOC address. */
|
|
xcoff_hash_table (info)->ldrel_count += 2;
|
|
sec->reloc_count += 2;
|
|
|
|
/* Mark the function itself. */
|
|
if (!xcoff_mark_symbol (info, h->descriptor))
|
|
return FALSE;
|
|
|
|
/* Mark the TOC section, so that we get an anchor
|
|
to relocate against. */
|
|
if (!xcoff_mark (info, xcoff_hash_table (info)->toc_section))
|
|
return FALSE;
|
|
|
|
/* We handle writing out the contents of the descriptor in
|
|
xcoff_write_global_symbol. */
|
|
}
|
|
else if (info->static_link)
|
|
/* We can't get a symbol value dynamically, so just assume
|
|
that it's undefined. */
|
|
h->flags |= XCOFF_WAS_UNDEFINED;
|
|
else if ((h->flags & XCOFF_CALLED) != 0)
|
|
{
|
|
/* This is a function symbol for which we need to create
|
|
linkage code. */
|
|
asection *sec;
|
|
struct xcoff_link_hash_entry *hds;
|
|
|
|
/* Mark the descriptor (and its TOC section). */
|
|
hds = h->descriptor;
|
|
BFD_ASSERT ((hds->root.type == bfd_link_hash_undefined
|
|
|| hds->root.type == bfd_link_hash_undefweak)
|
|
&& (hds->flags & XCOFF_DEF_REGULAR) == 0);
|
|
if (!xcoff_mark_symbol (info, hds))
|
|
return FALSE;
|
|
|
|
/* Treat this symbol as undefined if the descriptor was. */
|
|
if ((hds->flags & XCOFF_WAS_UNDEFINED) != 0)
|
|
h->flags |= XCOFF_WAS_UNDEFINED;
|
|
|
|
/* Allocate room for the global linkage code itself. */
|
|
sec = xcoff_hash_table (info)->linkage_section;
|
|
h->root.type = bfd_link_hash_defined;
|
|
h->root.u.def.section = sec;
|
|
h->root.u.def.value = sec->size;
|
|
h->smclas = XMC_GL;
|
|
h->flags |= XCOFF_DEF_REGULAR;
|
|
sec->size += bfd_xcoff_glink_code_size (info->output_bfd);
|
|
|
|
/* The global linkage code requires a TOC entry for the
|
|
descriptor. */
|
|
if (hds->toc_section == NULL)
|
|
{
|
|
int byte_size;
|
|
|
|
/* 32 vs 64
|
|
xcoff32 uses 4 bytes in the toc.
|
|
xcoff64 uses 8 bytes in the toc. */
|
|
if (bfd_xcoff_is_xcoff64 (info->output_bfd))
|
|
byte_size = 8;
|
|
else if (bfd_xcoff_is_xcoff32 (info->output_bfd))
|
|
byte_size = 4;
|
|
else
|
|
return FALSE;
|
|
|
|
/* Allocate room in the fallback TOC section. */
|
|
hds->toc_section = xcoff_hash_table (info)->toc_section;
|
|
hds->u.toc_offset = hds->toc_section->size;
|
|
hds->toc_section->size += byte_size;
|
|
if (!xcoff_mark (info, hds->toc_section))
|
|
return FALSE;
|
|
|
|
/* Allocate room for a static and dynamic R_TOC
|
|
relocation. */
|
|
++xcoff_hash_table (info)->ldrel_count;
|
|
++hds->toc_section->reloc_count;
|
|
|
|
/* Set the index to -2 to force this symbol to
|
|
get written out. */
|
|
hds->indx = -2;
|
|
hds->flags |= XCOFF_SET_TOC | XCOFF_LDREL;
|
|
}
|
|
}
|
|
else if ((h->flags & XCOFF_DEF_DYNAMIC) == 0)
|
|
{
|
|
/* Record that the symbol was undefined, then import it.
|
|
-brtl links use a special fake import file. */
|
|
h->flags |= XCOFF_WAS_UNDEFINED | XCOFF_IMPORT;
|
|
if (xcoff_hash_table (info)->rtld)
|
|
{
|
|
if (!xcoff_set_import_path (info, h, "", "..", ""))
|
|
return FALSE;
|
|
}
|
|
else
|
|
{
|
|
if (!xcoff_set_import_path (info, h, NULL, NULL, NULL))
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak)
|
|
{
|
|
asection *hsec;
|
|
|
|
hsec = h->root.u.def.section;
|
|
if (! bfd_is_abs_section (hsec)
|
|
&& (hsec->flags & SEC_MARK) == 0)
|
|
{
|
|
if (! xcoff_mark (info, hsec))
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
if (h->toc_section != NULL
|
|
&& (h->toc_section->flags & SEC_MARK) == 0)
|
{
|
{
|
if (! xcoff_mark (info, h->toc_section))
|
if (! xcoff_mark (info, h->toc_section))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
|
/* Look for a symbol called NAME. If the symbol is defined, mark it.
|
|
If the symbol exists, set FLAGS. */
|
|
|
|
static bfd_boolean
|
|
xcoff_mark_symbol_by_name (struct bfd_link_info *info,
|
|
const char *name, unsigned int flags)
|
|
{
|
|
struct xcoff_link_hash_entry *h;
|
|
|
|
h = xcoff_link_hash_lookup (xcoff_hash_table (info), name,
|
|
FALSE, FALSE, TRUE);
|
|
if (h != NULL)
|
|
{
|
|
h->flags |= flags;
|
|
if (h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak)
|
|
{
|
|
if (!xcoff_mark (info, h->root.u.def.section))
|
|
return FALSE;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
/* The mark phase of garbage collection. For a given section, mark
|
/* The mark phase of garbage collection. For a given section, mark
|
it, and all the sections which define symbols to which it refers.
|
it, and all the sections which define symbols to which it refers.
|
Because this function needs to look at the relocs, we also count
|
Because this function needs to look at the relocs, we also count
|
the number of relocs which need to be copied into the .loader
|
the number of relocs which need to be copied into the .loader
|
section. */
|
section. */
|
| Line 2254... |
Line 2885... |
|
|
if (sec->owner->xvec == info->output_bfd->xvec
|
if (sec->owner->xvec == info->output_bfd->xvec
|
&& coff_section_data (sec->owner, sec) != NULL
|
&& coff_section_data (sec->owner, sec) != NULL
|
&& xcoff_section_data (sec->owner, sec) != NULL)
|
&& xcoff_section_data (sec->owner, sec) != NULL)
|
{
|
{
|
struct xcoff_link_hash_entry **hp, **hpend;
|
struct xcoff_link_hash_entry **syms;
|
struct internal_reloc *rel, *relend;
|
struct internal_reloc *rel, *relend;
|
|
asection **csects;
|
|
unsigned long i, first, last;
|
|
|
/* Mark all the symbols in this section. */
|
/* Mark all the symbols in this section. */
|
hp = (obj_xcoff_sym_hashes (sec->owner)
|
syms = obj_xcoff_sym_hashes (sec->owner);
|
+ xcoff_section_data (sec->owner, sec)->first_symndx);
|
csects = xcoff_data (sec->owner)->csects;
|
hpend = (obj_xcoff_sym_hashes (sec->owner)
|
first = xcoff_section_data (sec->owner, sec)->first_symndx;
|
+ xcoff_section_data (sec->owner, sec)->last_symndx);
|
last = xcoff_section_data (sec->owner, sec)->last_symndx;
|
for (; hp < hpend; hp++)
|
for (i = first; i <= last; i++)
|
|
if (csects[i] == sec
|
|
&& syms[i] != NULL
|
|
&& (syms[i]->flags & XCOFF_MARK) == 0)
|
{
|
{
|
struct xcoff_link_hash_entry *h;
|
if (!xcoff_mark_symbol (info, syms[i]))
|
|
|
h = *hp;
|
|
if (h != NULL
|
|
&& (h->flags & XCOFF_MARK) == 0)
|
|
{
|
|
if (! xcoff_mark_symbol (info, h))
|
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
|
|
|
/* Look through the section relocs. */
|
/* Look through the section relocs. */
|
if ((sec->flags & SEC_RELOC) != 0
|
if ((sec->flags & SEC_RELOC) != 0
|
&& sec->reloc_count > 0)
|
&& sec->reloc_count > 0)
|
{
|
{
|
| Line 2286... |
Line 2915... |
if (rel == NULL)
|
if (rel == NULL)
|
return FALSE;
|
return FALSE;
|
relend = rel + sec->reloc_count;
|
relend = rel + sec->reloc_count;
|
for (; rel < relend; rel++)
|
for (; rel < relend; rel++)
|
{
|
{
|
asection *rsec;
|
|
struct xcoff_link_hash_entry *h;
|
struct xcoff_link_hash_entry *h;
|
|
|
if ((unsigned int) rel->r_symndx
|
if ((unsigned int) rel->r_symndx
|
> obj_raw_syment_count (sec->owner))
|
> obj_raw_syment_count (sec->owner))
|
continue;
|
continue;
|
|
|
h = obj_xcoff_sym_hashes (sec->owner)[rel->r_symndx];
|
h = obj_xcoff_sym_hashes (sec->owner)[rel->r_symndx];
|
if (h != NULL
|
if (h != NULL)
|
&& (h->flags & XCOFF_MARK) == 0)
|
{
|
|
if ((h->flags & XCOFF_MARK) == 0)
|
{
|
{
|
if (! xcoff_mark_symbol (info, h))
|
if (! xcoff_mark_symbol (info, h))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
}
|
|
else
|
|
{
|
|
asection *rsec;
|
|
|
rsec = xcoff_data (sec->owner)->csects[rel->r_symndx];
|
rsec = xcoff_data (sec->owner)->csects[rel->r_symndx];
|
if (rsec != NULL
|
if (rsec != NULL
|
&& (rsec->flags & SEC_MARK) == 0)
|
&& (rsec->flags & SEC_MARK) == 0)
|
{
|
{
|
if (! xcoff_mark (info, rsec))
|
if (! xcoff_mark (info, rsec))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
}
|
/* See if this reloc needs to be copied into the .loader
|
|
section. */
|
/* See if this reloc needs to be copied into the .loader
|
switch (rel->r_type)
|
section. */
|
{
|
if (xcoff_need_ldrel_p (info, rel, h))
|
default:
|
{
|
if (h == NULL
|
|
|| h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak
|
|
|| h->root.type == bfd_link_hash_common
|
|
|| ((h->flags & XCOFF_CALLED) != 0
|
|
&& (h->root.type == bfd_link_hash_undefined
|
|
|| h->root.type == bfd_link_hash_undefweak)
|
|
&& h->root.root.string[0] == '.'
|
|
&& h->descriptor != NULL
|
|
&& ((h->descriptor->flags & XCOFF_DEF_DYNAMIC) != 0
|
|
|| ((h->descriptor->flags & XCOFF_IMPORT) != 0
|
|
&& (h->descriptor->flags
|
|
& XCOFF_DEF_REGULAR) == 0))))
|
|
break;
|
|
/* Fall through. */
|
|
case R_POS:
|
|
case R_NEG:
|
|
case R_RL:
|
|
case R_RLA:
|
|
++xcoff_hash_table (info)->ldrel_count;
|
++xcoff_hash_table (info)->ldrel_count;
|
if (h != NULL)
|
if (h != NULL)
|
h->flags |= XCOFF_LDREL;
|
h->flags |= XCOFF_LDREL;
|
break;
|
|
case R_TOC:
|
|
case R_GL:
|
|
case R_TCL:
|
|
case R_TRL:
|
|
case R_TRLA:
|
|
/* We should never need a .loader reloc for a TOC
|
|
relative reloc. */
|
|
break;
|
|
}
|
}
|
}
|
}
|
|
|
if (! info->keep_memory
|
if (! info->keep_memory
|
&& coff_section_data (sec->owner, sec) != NULL
|
&& coff_section_data (sec->owner, sec) != NULL
|
| Line 2388... |
Line 2993... |
moment. */
|
moment. */
|
if (sub->xvec != info->output_bfd->xvec
|
if (sub->xvec != info->output_bfd->xvec
|
|| o == xcoff_hash_table (info)->debug_section
|
|| o == xcoff_hash_table (info)->debug_section
|
|| o == xcoff_hash_table (info)->loader_section
|
|| o == xcoff_hash_table (info)->loader_section
|
|| o == xcoff_hash_table (info)->linkage_section
|
|| o == xcoff_hash_table (info)->linkage_section
|
|| o == xcoff_hash_table (info)->toc_section
|
|
|| o == xcoff_hash_table (info)->descriptor_section
|
|| o == xcoff_hash_table (info)->descriptor_section
|
|| strcmp (o->name, ".debug") == 0)
|
|| strcmp (o->name, ".debug") == 0)
|
o->flags |= SEC_MARK;
|
o->flags |= SEC_MARK;
|
else
|
else
|
{
|
{
|
o->size = 0;
|
o->size = 0;
|
o->reloc_count = 0;
|
o->reloc_count = 0;
|
o->lineno_count = 0;
|
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
| Line 2476... |
Line 3079... |
{
|
{
|
hds->root.type = bfd_link_hash_undefined;
|
hds->root.type = bfd_link_hash_undefined;
|
hds->root.u.undef.abfd = h->root.u.undef.abfd;
|
hds->root.u.undef.abfd = h->root.u.undef.abfd;
|
}
|
}
|
hds->flags |= XCOFF_DESCRIPTOR;
|
hds->flags |= XCOFF_DESCRIPTOR;
|
BFD_ASSERT ((hds->flags & XCOFF_CALLED) == 0
|
BFD_ASSERT ((h->flags & XCOFF_DESCRIPTOR) == 0);
|
&& (h->flags & XCOFF_DESCRIPTOR) == 0);
|
|
hds->descriptor = h;
|
hds->descriptor = h;
|
h->descriptor = hds;
|
h->descriptor = hds;
|
}
|
}
|
|
|
/* Now, if the descriptor is undefined, import the descriptor
|
/* Now, if the descriptor is undefined, import the descriptor
|
| Line 2507... |
Line 3109... |
}
|
}
|
|
|
h->root.type = bfd_link_hash_defined;
|
h->root.type = bfd_link_hash_defined;
|
h->root.u.def.section = bfd_abs_section_ptr;
|
h->root.u.def.section = bfd_abs_section_ptr;
|
h->root.u.def.value = val;
|
h->root.u.def.value = val;
|
|
h->smclas = XMC_XO;
|
}
|
}
|
|
|
/* We overload the ldindx field to hold the l_ifile value for this
|
if (!xcoff_set_import_path (info, h, imppath, impfile, impmember))
|
symbol. */
|
|
BFD_ASSERT (h->ldsym == NULL);
|
|
BFD_ASSERT ((h->flags & XCOFF_BUILT_LDSYM) == 0);
|
|
if (imppath == NULL)
|
|
h->ldindx = -1;
|
|
else
|
|
{
|
|
unsigned int c;
|
|
struct xcoff_import_file **pp;
|
|
|
|
/* We start c at 1 because the first entry in the import list is
|
|
reserved for the library search path. */
|
|
for (pp = &xcoff_hash_table (info)->imports, c = 1;
|
|
*pp != NULL;
|
|
pp = &(*pp)->next, ++c)
|
|
{
|
|
if (strcmp ((*pp)->path, imppath) == 0
|
|
&& strcmp ((*pp)->file, impfile) == 0
|
|
&& strcmp ((*pp)->member, impmember) == 0)
|
|
break;
|
|
}
|
|
|
|
if (*pp == NULL)
|
|
{
|
|
struct xcoff_import_file *n;
|
|
bfd_size_type amt = sizeof (* n);
|
|
|
|
n = bfd_alloc (output_bfd, amt);
|
|
if (n == NULL)
|
|
return FALSE;
|
return FALSE;
|
n->next = NULL;
|
|
n->path = imppath;
|
|
n->file = impfile;
|
|
n->member = impmember;
|
|
*pp = n;
|
|
}
|
|
|
|
h->ldindx = c;
|
|
}
|
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Export a symbol. */
|
/* Export a symbol. */
|
| Line 2570... |
Line 3135... |
h->flags |= XCOFF_EXPORT;
|
h->flags |= XCOFF_EXPORT;
|
|
|
/* FIXME: I'm not at all sure what syscall is supposed to mean, so
|
/* FIXME: I'm not at all sure what syscall is supposed to mean, so
|
I'm just going to ignore it until somebody explains it. */
|
I'm just going to ignore it until somebody explains it. */
|
|
|
/* See if this is a function descriptor. It may be one even though
|
|
it is not so marked. */
|
|
if ((h->flags & XCOFF_DESCRIPTOR) == 0
|
|
&& h->root.root.string[0] != '.')
|
|
{
|
|
char *fnname;
|
|
struct xcoff_link_hash_entry *hfn;
|
|
bfd_size_type amt = strlen (h->root.root.string) + 2;
|
|
|
|
fnname = bfd_malloc (amt);
|
|
if (fnname == NULL)
|
|
return FALSE;
|
|
fnname[0] = '.';
|
|
strcpy (fnname + 1, h->root.root.string);
|
|
hfn = xcoff_link_hash_lookup (xcoff_hash_table (info),
|
|
fnname, FALSE, FALSE, TRUE);
|
|
free (fnname);
|
|
if (hfn != NULL
|
|
&& hfn->smclas == XMC_PR
|
|
&& (hfn->root.type == bfd_link_hash_defined
|
|
|| hfn->root.type == bfd_link_hash_defweak))
|
|
{
|
|
h->flags |= XCOFF_DESCRIPTOR;
|
|
h->descriptor = hfn;
|
|
hfn->descriptor = h;
|
|
}
|
|
}
|
|
|
|
/* Make sure we don't garbage collect this symbol. */
|
/* Make sure we don't garbage collect this symbol. */
|
if (! xcoff_mark_symbol (info, h))
|
if (! xcoff_mark_symbol (info, h))
|
return FALSE;
|
return FALSE;
|
|
|
/* If this is a function descriptor, make sure we don't garbage
|
/* If this is a function descriptor, make sure we don't garbage
|
| Line 2640... |
Line 3177... |
(*_bfd_error_handler) (_("%s: no such symbol"), name);
|
(*_bfd_error_handler) (_("%s: no such symbol"), name);
|
bfd_set_error (bfd_error_no_symbols);
|
bfd_set_error (bfd_error_no_symbols);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
h->flags |= XCOFF_REF_REGULAR | XCOFF_LDREL;
|
h->flags |= XCOFF_REF_REGULAR;
|
|
if (xcoff_hash_table (info)->loader_section)
|
|
{
|
|
h->flags |= XCOFF_LDREL;
|
++xcoff_hash_table (info)->ldrel_count;
|
++xcoff_hash_table (info)->ldrel_count;
|
|
}
|
|
|
/* Mark the symbol to avoid garbage collection. */
|
/* Mark the symbol to avoid garbage collection. */
|
if (! xcoff_mark_symbol (info, h))
|
if (! xcoff_mark_symbol (info, h))
|
return FALSE;
|
return FALSE;
|
|
|
| Line 2673... |
Line 3214... |
h->flags |= XCOFF_DEF_REGULAR;
|
h->flags |= XCOFF_DEF_REGULAR;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Add a symbol to the .loader symbols, if necessary. */
|
/* An xcoff_link_hash_traverse callback for which DATA points to an
|
|
xcoff_loader_info. Mark all symbols that should be automatically
|
|
exported. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
xcoff_build_ldsyms (struct xcoff_link_hash_entry *h, void * p)
|
xcoff_mark_auto_exports (struct xcoff_link_hash_entry *h, void *data)
|
{
|
{
|
struct xcoff_loader_info *ldinfo = (struct xcoff_loader_info *) p;
|
struct xcoff_loader_info *ldinfo;
|
bfd_size_type amt;
|
|
|
|
if (h->root.type == bfd_link_hash_warning)
|
|
h = (struct xcoff_link_hash_entry *) h->root.u.i.link;
|
|
|
|
/* __rtinit, this symbol has special handling. */
|
ldinfo = (struct xcoff_loader_info *) data;
|
if (h->flags & XCOFF_RTINIT)
|
if (xcoff_auto_export_p (ldinfo->info, h, ldinfo->auto_export_flags))
|
|
{
|
|
if (!xcoff_mark_symbol (ldinfo->info, h))
|
|
ldinfo->failed = TRUE;
|
|
}
|
return TRUE;
|
return TRUE;
|
|
}
|
|
|
/* If this is a final link, and the symbol was defined as a common
|
/* Add a symbol to the .loader symbols, if necessary. */
|
symbol in a regular object file, and there was no definition in
|
|
any dynamic object, then the linker will have allocated space for
|
|
the symbol in a common section but the XCOFF_DEF_REGULAR flag
|
|
will not have been set. */
|
|
if (h->root.type == bfd_link_hash_defined
|
|
&& (h->flags & XCOFF_DEF_REGULAR) == 0
|
|
&& (h->flags & XCOFF_REF_REGULAR) != 0
|
|
&& (h->flags & XCOFF_DEF_DYNAMIC) == 0
|
|
&& (bfd_is_abs_section (h->root.u.def.section)
|
|
|| (h->root.u.def.section->owner->flags & DYNAMIC) == 0))
|
|
h->flags |= XCOFF_DEF_REGULAR;
|
|
|
|
/* If all defined symbols should be exported, mark them now. We
|
/* INPUT_BFD has an external symbol associated with hash table entry H
|
don't want to export the actual functions, just the function
|
and csect CSECT. Return true if INPUT_BFD defines H. */
|
descriptors. */
|
|
if (ldinfo->export_defineds
|
|
&& (h->flags & XCOFF_DEF_REGULAR) != 0
|
|
&& h->root.root.string[0] != '.')
|
|
{
|
|
bfd_boolean export;
|
|
|
|
/* We don't export a symbol which is being defined by an object
|
static bfd_boolean
|
included from an archive which contains a shared object. The
|
xcoff_final_definition_p (bfd *input_bfd, struct xcoff_link_hash_entry *h,
|
rationale is that if an archive contains both an unshared and
|
asection *csect)
|
a shared object, then there must be some reason that the
|
{
|
unshared object is unshared, and we don't want to start
|
switch (h->root.type)
|
providing a shared version of it. In particular, this solves
|
|
a bug involving the _savefNN set of functions. gcc will call
|
|
those functions without providing a slot to restore the TOC,
|
|
so it is essential that these functions be linked in directly
|
|
and not from a shared object, which means that a shared
|
|
object which also happens to link them in must not export
|
|
them. This is confusing, but I haven't been able to think of
|
|
a different approach. Note that the symbols can, of course,
|
|
be exported explicitly. */
|
|
export = TRUE;
|
|
if ((h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak)
|
|
&& h->root.u.def.section->owner != NULL
|
|
&& h->root.u.def.section->owner->my_archive != NULL)
|
|
{
|
{
|
bfd *arbfd, *member;
|
case bfd_link_hash_defined:
|
|
case bfd_link_hash_defweak:
|
|
/* No input bfd owns absolute symbols. They are written by
|
|
xcoff_write_global_symbol instead. */
|
|
return (!bfd_is_abs_section (csect)
|
|
&& h->root.u.def.section == csect);
|
|
|
|
case bfd_link_hash_common:
|
|
return h->root.u.c.p->section->owner == input_bfd;
|
|
|
|
case bfd_link_hash_undefined:
|
|
case bfd_link_hash_undefweak:
|
|
/* We can't treat undef.abfd as the owner because that bfd
|
|
might be a dynamic object. Allow any bfd to claim it. */
|
|
return TRUE;
|
|
|
arbfd = h->root.u.def.section->owner->my_archive;
|
default:
|
member = bfd_openr_next_archived_file (arbfd, NULL);
|
abort ();
|
while (member != NULL)
|
}
|
|
}
|
|
|
|
/* See if H should have a loader symbol associated with it. */
|
|
|
|
static bfd_boolean
|
|
xcoff_build_ldsym (struct xcoff_loader_info *ldinfo,
|
|
struct xcoff_link_hash_entry *h)
|
{
|
{
|
if ((member->flags & DYNAMIC) != 0)
|
bfd_size_type amt;
|
|
|
|
/* Warn if this symbol is exported but not defined. */
|
|
if ((h->flags & XCOFF_EXPORT) != 0
|
|
&& (h->flags & XCOFF_WAS_UNDEFINED) != 0)
|
{
|
{
|
export = FALSE;
|
(*_bfd_error_handler)
|
break;
|
(_("warning: attempt to export undefined symbol `%s'"),
|
|
h->root.root.string);
|
|
return TRUE;
|
}
|
}
|
member = bfd_openr_next_archived_file (arbfd, member);
|
|
|
/* We need to add a symbol to the .loader section if it is mentioned
|
|
in a reloc which we are copying to the .loader section and it was
|
|
not defined or common, or if it is the entry point, or if it is
|
|
being exported. */
|
|
if (((h->flags & XCOFF_LDREL) == 0
|
|
|| h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak
|
|
|| h->root.type == bfd_link_hash_common)
|
|
&& (h->flags & XCOFF_ENTRY) == 0
|
|
&& (h->flags & XCOFF_EXPORT) == 0)
|
|
return TRUE;
|
|
|
|
/* We need to add this symbol to the .loader symbols. */
|
|
|
|
BFD_ASSERT (h->ldsym == NULL);
|
|
amt = sizeof (struct internal_ldsym);
|
|
h->ldsym = bfd_zalloc (ldinfo->output_bfd, amt);
|
|
if (h->ldsym == NULL)
|
|
{
|
|
ldinfo->failed = TRUE;
|
|
return FALSE;
|
}
|
}
|
|
|
|
if ((h->flags & XCOFF_IMPORT) != 0)
|
|
{
|
|
/* Give imported descriptors class XMC_DS rather than XMC_UA. */
|
|
if ((h->flags & XCOFF_DESCRIPTOR) != 0)
|
|
h->smclas = XMC_DS;
|
|
h->ldsym->l_ifile = h->ldindx;
|
}
|
}
|
|
|
if (export)
|
/* The first 3 symbol table indices are reserved to indicate the
|
h->flags |= XCOFF_EXPORT;
|
data, text and bss sections. */
|
|
h->ldindx = ldinfo->ldsym_count + 3;
|
|
|
|
++ldinfo->ldsym_count;
|
|
|
|
if (! bfd_xcoff_put_ldsymbol_name (ldinfo->output_bfd, ldinfo,
|
|
h->ldsym, h->root.root.string))
|
|
return FALSE;
|
|
|
|
h->flags |= XCOFF_BUILT_LDSYM;
|
|
return TRUE;
|
}
|
}
|
|
|
|
/* An xcoff_htab_traverse callback that is called for each symbol
|
|
once garbage collection is complete. */
|
|
|
|
static bfd_boolean
|
|
xcoff_post_gc_symbol (struct xcoff_link_hash_entry *h, void * p)
|
|
{
|
|
struct xcoff_loader_info *ldinfo = (struct xcoff_loader_info *) p;
|
|
|
|
if (h->root.type == bfd_link_hash_warning)
|
|
h = (struct xcoff_link_hash_entry *) h->root.u.i.link;
|
|
|
|
/* __rtinit, this symbol has special handling. */
|
|
if (h->flags & XCOFF_RTINIT)
|
|
return TRUE;
|
|
|
/* We don't want to garbage collect symbols which are not defined in
|
/* We don't want to garbage collect symbols which are not defined in
|
XCOFF files. This is a convenient place to mark them. */
|
XCOFF files. This is a convenient place to mark them. */
|
if (xcoff_hash_table (ldinfo->info)->gc
|
if (xcoff_hash_table (ldinfo->info)->gc
|
&& (h->flags & XCOFF_MARK) == 0
|
&& (h->flags & XCOFF_MARK) == 0
|
&& (h->root.type == bfd_link_hash_defined
|
&& (h->root.type == bfd_link_hash_defined
|
| Line 2760... |
Line 3353... |
&& (h->root.u.def.section->owner == NULL
|
&& (h->root.u.def.section->owner == NULL
|
|| (h->root.u.def.section->owner->xvec
|
|| (h->root.u.def.section->owner->xvec
|
!= ldinfo->info->output_bfd->xvec)))
|
!= ldinfo->info->output_bfd->xvec)))
|
h->flags |= XCOFF_MARK;
|
h->flags |= XCOFF_MARK;
|
|
|
/* If this symbol is called and defined in a dynamic object, or it
|
/* Skip discarded symbols. */
|
is imported, then we need to set up global linkage code for it.
|
if (xcoff_hash_table (ldinfo->info)->gc
|
(Unless we did garbage collection and we didn't need this
|
&& (h->flags & XCOFF_MARK) == 0)
|
symbol.) */
|
return TRUE;
|
if ((h->flags & XCOFF_CALLED) != 0
|
|
&& (h->root.type == bfd_link_hash_undefined
|
|
|| h->root.type == bfd_link_hash_undefweak)
|
|
&& h->root.root.string[0] == '.'
|
|
&& h->descriptor != NULL
|
|
&& ((h->descriptor->flags & XCOFF_DEF_DYNAMIC) != 0
|
|
|| ((h->descriptor->flags & XCOFF_IMPORT) != 0
|
|
&& (h->descriptor->flags & XCOFF_DEF_REGULAR) == 0))
|
|
&& (! xcoff_hash_table (ldinfo->info)->gc
|
|
|| (h->flags & XCOFF_MARK) != 0))
|
|
{
|
|
asection *sec;
|
|
struct xcoff_link_hash_entry *hds;
|
|
|
|
sec = xcoff_hash_table (ldinfo->info)->linkage_section;
|
/* If this is still a common symbol, and it wasn't garbage
|
h->root.type = bfd_link_hash_defined;
|
collected, we need to actually allocate space for it in the .bss
|
h->root.u.def.section = sec;
|
section. */
|
h->root.u.def.value = sec->size;
|
if (h->root.type == bfd_link_hash_common
|
h->smclas = XMC_GL;
|
&& h->root.u.c.p->section->size == 0)
|
h->flags |= XCOFF_DEF_REGULAR;
|
{
|
sec->size += bfd_xcoff_glink_code_size(ldinfo->output_bfd);
|
BFD_ASSERT (bfd_is_com_section (h->root.u.c.p->section));
|
|
h->root.u.c.p->section->size = h->root.u.c.size;
|
|
}
|
|
|
/* The global linkage code requires a TOC entry for the
|
if (xcoff_hash_table (ldinfo->info)->loader_section)
|
descriptor. */
|
|
hds = h->descriptor;
|
|
BFD_ASSERT ((hds->root.type == bfd_link_hash_undefined
|
|
|| hds->root.type == bfd_link_hash_undefweak)
|
|
&& (hds->flags & XCOFF_DEF_REGULAR) == 0);
|
|
hds->flags |= XCOFF_MARK;
|
|
if (hds->toc_section == NULL)
|
|
{
|
{
|
int byte_size;
|
if (xcoff_auto_export_p (ldinfo->info, h, ldinfo->auto_export_flags))
|
|
h->flags |= XCOFF_EXPORT;
|
|
|
/* 32 vs 64
|
if (!xcoff_build_ldsym (ldinfo, h))
|
xcoff32 uses 4 bytes in the toc.
|
|
xcoff64 uses 8 bytes in the toc. */
|
|
if (bfd_xcoff_is_xcoff64 (ldinfo->output_bfd))
|
|
byte_size = 8;
|
|
else if (bfd_xcoff_is_xcoff32 (ldinfo->output_bfd))
|
|
byte_size = 4;
|
|
else
|
|
return FALSE;
|
return FALSE;
|
|
|
hds->toc_section = xcoff_hash_table (ldinfo->info)->toc_section;
|
|
hds->u.toc_offset = hds->toc_section->size;
|
|
hds->toc_section->size += byte_size;
|
|
++xcoff_hash_table (ldinfo->info)->ldrel_count;
|
|
++hds->toc_section->reloc_count;
|
|
hds->indx = -2;
|
|
hds->flags |= XCOFF_SET_TOC | XCOFF_LDREL;
|
|
|
|
/* We need to call xcoff_build_ldsyms recursively here,
|
|
because we may already have passed hds on the traversal. */
|
|
xcoff_build_ldsyms (hds, p);
|
|
}
|
}
|
|
|
|
return TRUE;
|
}
|
}
|
|
|
/* If this symbol is exported, but not defined, we need to try to
|
/* INPUT_BFD includes XCOFF symbol ISYM, which is associated with linker
|
define it. */
|
hash table entry H and csect CSECT. AUX contains ISYM's auxillary
|
if ((h->flags & XCOFF_EXPORT) != 0
|
csect information, if any. NAME is the function's name if the name
|
&& (h->flags & XCOFF_IMPORT) == 0
|
is stored in the .debug section, otherwise it is null.
|
&& (h->flags & XCOFF_DEF_REGULAR) == 0
|
|
&& (h->flags & XCOFF_DEF_DYNAMIC) == 0
|
Return 1 if we should include an appropriately-adjusted ISYM
|
&& (h->root.type == bfd_link_hash_undefined
|
in the output file, 0 if we should discard ISYM, or -1 if an
|
|| h->root.type == bfd_link_hash_undefweak))
|
error occured. */
|
|
|
|
static int
|
|
xcoff_keep_symbol_p (struct bfd_link_info *info, bfd *input_bfd,
|
|
struct internal_syment *isym,
|
|
union internal_auxent *aux,
|
|
struct xcoff_link_hash_entry *h,
|
|
asection *csect, const char *name)
|
{
|
{
|
if ((h->flags & XCOFF_DESCRIPTOR) != 0
|
int smtyp;
|
&& (h->descriptor->root.type == bfd_link_hash_defined
|
|
|| h->descriptor->root.type == bfd_link_hash_defweak))
|
/* If we are skipping this csect, we want to strip the symbol too. */
|
|
if (csect == NULL)
|
|
return 0;
|
|
|
|
/* Likewise if we garbage-collected the csect. */
|
|
if (xcoff_hash_table (info)->gc
|
|
&& !bfd_is_abs_section (csect)
|
|
&& !bfd_is_und_section (csect)
|
|
&& (csect->flags & SEC_MARK) == 0)
|
|
return 0;
|
|
|
|
/* An XCOFF linker always removes C_STAT symbols. */
|
|
if (isym->n_sclass == C_STAT)
|
|
return 0;
|
|
|
|
/* We generate the TOC anchor separately. */
|
|
if (isym->n_sclass == C_HIDEXT
|
|
&& aux->x_csect.x_smclas == XMC_TC0)
|
|
return 0;
|
|
|
|
/* If we are stripping all symbols, we want to discard this one. */
|
|
if (info->strip == strip_all)
|
|
return 0;
|
|
|
|
/* Discard symbols that are defined elsewhere. */
|
|
if (EXTERN_SYM_P (isym->n_sclass))
|
{
|
{
|
asection *sec;
|
if ((h->flags & XCOFF_ALLOCATED) != 0)
|
|
return 0;
|
|
if (!xcoff_final_definition_p (input_bfd, h, csect))
|
|
return 0;
|
|
}
|
|
|
/* This is an undefined function descriptor associated with
|
/* If we're discarding local symbols, check whether ISYM is local. */
|
a defined entry point. We can build up a function
|
smtyp = SMTYP_SMTYP (aux->x_csect.x_smtyp);
|
descriptor ourselves. Believe it or not, the AIX linker
|
if (info->discard == discard_all
|
actually does this, and there are cases where we need to
|
&& !EXTERN_SYM_P (isym->n_sclass)
|
do it as well. */
|
&& (isym->n_sclass != C_HIDEXT || smtyp != XTY_SD))
|
sec = xcoff_hash_table (ldinfo->info)->descriptor_section;
|
return 0;
|
h->root.type = bfd_link_hash_defined;
|
|
h->root.u.def.section = sec;
|
|
h->root.u.def.value = sec->size;
|
|
h->smclas = XMC_DS;
|
|
h->flags |= XCOFF_DEF_REGULAR;
|
|
|
|
/* The size of the function descriptor depends if this is an
|
/* If we're stripping debugging symbols, check whether ISYM is one. */
|
xcoff32 (12) or xcoff64 (24). */
|
if (info->strip == strip_debugger
|
sec->size +=
|
&& isym->n_scnum == N_DEBUG)
|
bfd_xcoff_function_descriptor_size(ldinfo->output_bfd);
|
return 0;
|
|
|
/* A function descriptor uses two relocs: one for the
|
/* If we are stripping symbols based on name, check how ISYM's
|
associated code, and one for the TOC address. */
|
name should be handled. */
|
xcoff_hash_table (ldinfo->info)->ldrel_count += 2;
|
if (info->strip == strip_some
|
sec->reloc_count += 2;
|
|| info->discard == discard_l)
|
|
{
|
|
char buf[SYMNMLEN + 1];
|
|
|
/* We handle writing out the contents of the descriptor in
|
if (name == NULL)
|
xcoff_write_global_symbol. */
|
|
}
|
|
else
|
|
{
|
{
|
(*_bfd_error_handler)
|
name = _bfd_coff_internal_syment_name (input_bfd, isym, buf);
|
(_("warning: attempt to export undefined symbol `%s'"),
|
if (name == NULL)
|
h->root.root.string);
|
return -1;
|
h->ldsym = NULL;
|
|
return TRUE;
|
|
}
|
}
|
|
|
|
if (info->strip == strip_some
|
|
&& bfd_hash_lookup (info->keep_hash, name, FALSE, FALSE) == NULL)
|
|
return 0;
|
|
|
|
if (info->discard == discard_l
|
|
&& !EXTERN_SYM_P (isym->n_sclass)
|
|
&& (isym->n_sclass != C_HIDEXT || smtyp != XTY_SD)
|
|
&& bfd_is_local_label_name (input_bfd, name))
|
|
return 0;
|
}
|
}
|
|
|
/* If this is still a common symbol, and it wasn't garbage
|
return 1;
|
collected, we need to actually allocate space for it in the .bss
|
|
section. */
|
|
if (h->root.type == bfd_link_hash_common
|
|
&& (! xcoff_hash_table (ldinfo->info)->gc
|
|
|| (h->flags & XCOFF_MARK) != 0)
|
|
&& h->root.u.c.p->section->size == 0)
|
|
{
|
|
BFD_ASSERT (bfd_is_com_section (h->root.u.c.p->section));
|
|
h->root.u.c.p->section->size = h->root.u.c.size;
|
|
}
|
}
|
|
|
/* We need to add a symbol to the .loader section if it is mentioned
|
/* Lay out the .loader section, filling in the header and the import paths.
|
in a reloc which we are copying to the .loader section and it was
|
LIBPATH is as for bfd_xcoff_size_dynamic_sections. */
|
not defined or common, or if it is the entry point, or if it is
|
|
being exported. */
|
|
|
|
if (((h->flags & XCOFF_LDREL) == 0
|
static bfd_boolean
|
|| h->root.type == bfd_link_hash_defined
|
xcoff_build_loader_section (struct xcoff_loader_info *ldinfo,
|
|| h->root.type == bfd_link_hash_defweak
|
const char *libpath)
|
|| h->root.type == bfd_link_hash_common)
|
|
&& (h->flags & XCOFF_ENTRY) == 0
|
|
&& (h->flags & XCOFF_EXPORT) == 0)
|
|
{
|
{
|
h->ldsym = NULL;
|
bfd *output_bfd;
|
return TRUE;
|
struct xcoff_link_hash_table *htab;
|
}
|
struct internal_ldhdr *ldhdr;
|
|
struct xcoff_import_file *fl;
|
|
bfd_size_type stoff;
|
|
size_t impsize, impcount;
|
|
asection *lsec;
|
|
char *out;
|
|
|
/* We don't need to add this symbol if we did garbage collection and
|
/* Work out the size of the import file names. Each import file ID
|
we did not mark this symbol. */
|
consists of three null terminated strings: the path, the file
|
if (xcoff_hash_table (ldinfo->info)->gc
|
name, and the archive member name. The first entry in the list
|
&& (h->flags & XCOFF_MARK) == 0)
|
of names is the path to use to find objects, which the linker has
|
|
passed in as the libpath argument. For some reason, the path
|
|
entry in the other import file names appears to always be empty. */
|
|
output_bfd = ldinfo->output_bfd;
|
|
htab = xcoff_hash_table (ldinfo->info);
|
|
impsize = strlen (libpath) + 3;
|
|
impcount = 1;
|
|
for (fl = htab->imports; fl != NULL; fl = fl->next)
|
{
|
{
|
h->ldsym = NULL;
|
++impcount;
|
return TRUE;
|
impsize += (strlen (fl->path)
|
|
+ strlen (fl->file)
|
|
+ strlen (fl->member)
|
|
+ 3);
|
}
|
}
|
|
|
/* We may have already processed this symbol due to the recursive
|
/* Set up the .loader section header. */
|
call above. */
|
ldhdr = &htab->ldhdr;
|
if ((h->flags & XCOFF_BUILT_LDSYM) != 0)
|
ldhdr->l_version = bfd_xcoff_ldhdr_version(output_bfd);
|
return TRUE;
|
ldhdr->l_nsyms = ldinfo->ldsym_count;
|
|
ldhdr->l_nreloc = htab->ldrel_count;
|
|
ldhdr->l_istlen = impsize;
|
|
ldhdr->l_nimpid = impcount;
|
|
ldhdr->l_impoff = (bfd_xcoff_ldhdrsz (output_bfd)
|
|
+ ldhdr->l_nsyms * bfd_xcoff_ldsymsz (output_bfd)
|
|
+ ldhdr->l_nreloc * bfd_xcoff_ldrelsz (output_bfd));
|
|
ldhdr->l_stlen = ldinfo->string_size;
|
|
stoff = ldhdr->l_impoff + impsize;
|
|
if (ldinfo->string_size == 0)
|
|
ldhdr->l_stoff = 0;
|
|
else
|
|
ldhdr->l_stoff = stoff;
|
|
|
/* We need to add this symbol to the .loader symbols. */
|
/* 64 bit elements to ldhdr
|
|
The swap out routine for 32 bit will ignore them.
|
|
Nothing fancy, symbols come after the header and relocs come
|
|
after symbols. */
|
|
ldhdr->l_symoff = bfd_xcoff_ldhdrsz (output_bfd);
|
|
ldhdr->l_rldoff = (bfd_xcoff_ldhdrsz (output_bfd)
|
|
+ ldhdr->l_nsyms * bfd_xcoff_ldsymsz (output_bfd));
|
|
|
BFD_ASSERT (h->ldsym == NULL);
|
/* We now know the final size of the .loader section. Allocate
|
amt = sizeof (struct internal_ldsym);
|
space for it. */
|
h->ldsym = bfd_zalloc (ldinfo->output_bfd, amt);
|
lsec = htab->loader_section;
|
if (h->ldsym == NULL)
|
lsec->size = stoff + ldhdr->l_stlen;
|
{
|
lsec->contents = bfd_zalloc (output_bfd, lsec->size);
|
ldinfo->failed = TRUE;
|
if (lsec->contents == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
|
|
|
if ((h->flags & XCOFF_IMPORT) != 0)
|
/* Set up the header. */
|
h->ldsym->l_ifile = h->ldindx;
|
bfd_xcoff_swap_ldhdr_out (output_bfd, ldhdr, lsec->contents);
|
|
|
/* The first 3 symbol table indices are reserved to indicate the
|
/* Set up the import file names. */
|
data, text and bss sections. */
|
out = (char *) lsec->contents + ldhdr->l_impoff;
|
h->ldindx = ldinfo->ldsym_count + 3;
|
strcpy (out, libpath);
|
|
out += strlen (libpath) + 1;
|
|
*out++ = '\0';
|
|
*out++ = '\0';
|
|
for (fl = htab->imports; fl != NULL; fl = fl->next)
|
|
{
|
|
const char *s;
|
|
|
++ldinfo->ldsym_count;
|
s = fl->path;
|
|
while ((*out++ = *s++) != '\0')
|
|
;
|
|
s = fl->file;
|
|
while ((*out++ = *s++) != '\0')
|
|
;
|
|
s = fl->member;
|
|
while ((*out++ = *s++) != '\0')
|
|
;
|
|
}
|
|
|
if (! bfd_xcoff_put_ldsymbol_name (ldinfo->output_bfd, ldinfo,
|
BFD_ASSERT ((bfd_size_type) ((bfd_byte *) out - lsec->contents) == stoff);
|
h->ldsym, h->root.root.string))
|
|
return FALSE;
|
|
|
|
h->flags |= XCOFF_BUILT_LDSYM;
|
/* Set up the symbol string table. */
|
|
if (ldinfo->string_size > 0)
|
|
{
|
|
memcpy (out, ldinfo->strings, ldinfo->string_size);
|
|
free (ldinfo->strings);
|
|
ldinfo->strings = NULL;
|
|
}
|
|
|
|
/* We can't set up the symbol table or the relocs yet, because we
|
|
don't yet know the final position of the various sections. The
|
|
.loader symbols are written out when the corresponding normal
|
|
symbols are written out in xcoff_link_input_bfd or
|
|
xcoff_write_global_symbol. The .loader relocs are written out
|
|
when the corresponding normal relocs are handled in
|
|
xcoff_link_input_bfd. */
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Build the .loader section. This is called by the XCOFF linker
|
/* Build the .loader section. This is called by the XCOFF linker
|
emulation before_allocation routine. We must set the size of the
|
emulation before_allocation routine. We must set the size of the
|
.loader section before the linker lays out the output file.
|
.loader section before the linker lays out the output file.
|
LIBPATH is the library path to search for shared objects; this is
|
LIBPATH is the library path to search for shared objects; this is
|
normally built from the -L arguments passed to the linker. ENTRY
|
normally built from the -L arguments passed to the linker. ENTRY
|
| Line 2953... |
Line 3596... |
(the -H linker option). MAXSTACK is the maximum stack size (the
|
(the -H linker option). MAXSTACK is the maximum stack size (the
|
-bmaxstack linker option). MAXDATA is the maximum data size (the
|
-bmaxstack linker option). MAXDATA is the maximum data size (the
|
-bmaxdata linker option). GC is whether to do garbage collection
|
-bmaxdata linker option). GC is whether to do garbage collection
|
(the -bgc linker option). MODTYPE is the module type (the
|
(the -bgc linker option). MODTYPE is the module type (the
|
-bmodtype linker option). TEXTRO is whether the text section must
|
-bmodtype linker option). TEXTRO is whether the text section must
|
be read only (the -btextro linker option). EXPORT_DEFINEDS is
|
be read only (the -btextro linker option). AUTO_EXPORT_FLAGS
|
whether all defined symbols should be exported (the -unix linker
|
is a mask of XCOFF_EXPALL and XCOFF_EXPFULL. SPECIAL_SECTIONS
|
option). SPECIAL_SECTIONS is set by this routine to csects with
|
is set by this routine to csects with magic names like _end. */
|
magic names like _end. */
|
|
|
|
bfd_boolean
|
bfd_boolean
|
bfd_xcoff_size_dynamic_sections (bfd *output_bfd,
|
bfd_xcoff_size_dynamic_sections (bfd *output_bfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
const char *libpath,
|
const char *libpath,
|
| Line 2969... |
Line 3611... |
unsigned long maxstack,
|
unsigned long maxstack,
|
unsigned long maxdata,
|
unsigned long maxdata,
|
bfd_boolean gc,
|
bfd_boolean gc,
|
int modtype,
|
int modtype,
|
bfd_boolean textro,
|
bfd_boolean textro,
|
bfd_boolean export_defineds,
|
unsigned int auto_export_flags,
|
asection **special_sections,
|
asection **special_sections,
|
bfd_boolean rtld)
|
bfd_boolean rtld)
|
{
|
{
|
struct xcoff_link_hash_entry *hentry;
|
|
asection *lsec;
|
|
struct xcoff_loader_info ldinfo;
|
struct xcoff_loader_info ldinfo;
|
int i;
|
int i;
|
size_t impsize, impcount;
|
|
struct xcoff_import_file *fl;
|
|
struct internal_ldhdr *ldhdr;
|
|
bfd_size_type stoff;
|
|
char *out;
|
|
asection *sec;
|
asection *sec;
|
bfd *sub;
|
bfd *sub;
|
struct bfd_strtab_hash *debug_strtab;
|
struct bfd_strtab_hash *debug_strtab;
|
bfd_byte *debug_contents = NULL;
|
bfd_byte *debug_contents = NULL;
|
bfd_size_type amt;
|
bfd_size_type amt;
|
| Line 2998... |
Line 3633... |
}
|
}
|
|
|
ldinfo.failed = FALSE;
|
ldinfo.failed = FALSE;
|
ldinfo.output_bfd = output_bfd;
|
ldinfo.output_bfd = output_bfd;
|
ldinfo.info = info;
|
ldinfo.info = info;
|
ldinfo.export_defineds = export_defineds;
|
ldinfo.auto_export_flags = auto_export_flags;
|
ldinfo.ldsym_count = 0;
|
ldinfo.ldsym_count = 0;
|
ldinfo.string_size = 0;
|
ldinfo.string_size = 0;
|
ldinfo.strings = NULL;
|
ldinfo.strings = NULL;
|
ldinfo.string_alc = 0;
|
ldinfo.string_alc = 0;
|
|
|
| Line 3010... |
Line 3645... |
xcoff_data (output_bfd)->maxdata = maxdata;
|
xcoff_data (output_bfd)->maxdata = maxdata;
|
xcoff_data (output_bfd)->modtype = modtype;
|
xcoff_data (output_bfd)->modtype = modtype;
|
|
|
xcoff_hash_table (info)->file_align = file_align;
|
xcoff_hash_table (info)->file_align = file_align;
|
xcoff_hash_table (info)->textro = textro;
|
xcoff_hash_table (info)->textro = textro;
|
|
xcoff_hash_table (info)->rtld = rtld;
|
hentry = NULL;
|
|
if (entry != NULL)
|
|
{
|
|
hentry = xcoff_link_hash_lookup (xcoff_hash_table (info), entry,
|
|
FALSE, FALSE, TRUE);
|
|
if (hentry != NULL)
|
|
hentry->flags |= XCOFF_ENTRY;
|
|
}
|
|
|
|
/* __rtinit */
|
/* __rtinit */
|
if (info->init_function || info->fini_function || rtld)
|
if (xcoff_hash_table (info)->loader_section
|
|
&& (info->init_function || info->fini_function || rtld))
|
{
|
{
|
struct xcoff_link_hash_entry *hsym;
|
struct xcoff_link_hash_entry *hsym;
|
struct internal_ldsym *ldsym;
|
struct internal_ldsym *ldsym;
|
|
|
hsym = xcoff_link_hash_lookup (xcoff_hash_table (info),
|
hsym = xcoff_link_hash_lookup (xcoff_hash_table (info),
|
| Line 3072... |
Line 3700... |
hsym->root.type = bfd_link_hash_defined;
|
hsym->root.type = bfd_link_hash_defined;
|
hsym->root.u.def.value = 0;
|
hsym->root.u.def.value = 0;
|
}
|
}
|
|
|
/* Garbage collect unused sections. */
|
/* Garbage collect unused sections. */
|
if (info->relocatable
|
if (info->relocatable || !gc)
|
|| ! gc
|
|
|| hentry == NULL
|
|
|| (hentry->root.type != bfd_link_hash_defined
|
|
&& hentry->root.type != bfd_link_hash_defweak))
|
|
{
|
{
|
gc = FALSE;
|
gc = FALSE;
|
xcoff_hash_table (info)->gc = FALSE;
|
xcoff_hash_table (info)->gc = FALSE;
|
|
|
/* We still need to call xcoff_mark, in order to set ldrel_count
|
/* We still need to call xcoff_mark, in order to set ldrel_count
|
| Line 3089... |
Line 3713... |
{
|
{
|
asection *o;
|
asection *o;
|
|
|
for (o = sub->sections; o != NULL; o = o->next)
|
for (o = sub->sections; o != NULL; o = o->next)
|
{
|
{
|
if ((o->flags & SEC_MARK) == 0)
|
/* We shouldn't unconditionaly mark the TOC section.
|
|
The output file should only have a TOC if either
|
|
(a) one of the input files did or (b) we end up
|
|
creating TOC references as part of the link process. */
|
|
if (o != xcoff_hash_table (info)->toc_section
|
|
&& (o->flags & SEC_MARK) == 0)
|
{
|
{
|
if (! xcoff_mark (info, o))
|
if (! xcoff_mark (info, o))
|
goto error_return;
|
goto error_return;
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
if (! xcoff_mark (info, hentry->root.u.def.section))
|
if (entry != NULL
|
|
&& !xcoff_mark_symbol_by_name (info, entry, XCOFF_ENTRY))
|
|
goto error_return;
|
|
if (info->init_function != NULL
|
|
&& !xcoff_mark_symbol_by_name (info, info->init_function, 0))
|
|
goto error_return;
|
|
if (info->fini_function != NULL
|
|
&& !xcoff_mark_symbol_by_name (info, info->fini_function, 0))
|
|
goto error_return;
|
|
if (auto_export_flags != 0)
|
|
{
|
|
xcoff_link_hash_traverse (xcoff_hash_table (info),
|
|
xcoff_mark_auto_exports, &ldinfo);
|
|
if (ldinfo.failed)
|
goto error_return;
|
goto error_return;
|
|
}
|
xcoff_sweep (info);
|
xcoff_sweep (info);
|
xcoff_hash_table (info)->gc = TRUE;
|
xcoff_hash_table (info)->gc = TRUE;
|
}
|
}
|
|
|
/* Return special sections to the caller. */
|
/* Return special sections to the caller. */
|
| Line 3122... |
Line 3765... |
|
|
if (info->input_bfds == NULL)
|
if (info->input_bfds == NULL)
|
/* I'm not sure what to do in this bizarre case. */
|
/* I'm not sure what to do in this bizarre case. */
|
return TRUE;
|
return TRUE;
|
|
|
xcoff_link_hash_traverse (xcoff_hash_table (info), xcoff_build_ldsyms,
|
xcoff_link_hash_traverse (xcoff_hash_table (info), xcoff_post_gc_symbol,
|
(void *) &ldinfo);
|
(void *) &ldinfo);
|
if (ldinfo.failed)
|
if (ldinfo.failed)
|
goto error_return;
|
goto error_return;
|
|
|
/* Work out the size of the import file names. Each import file ID
|
if (xcoff_hash_table (info)->loader_section
|
consists of three null terminated strings: the path, the file
|
&& !xcoff_build_loader_section (&ldinfo, libpath))
|
name, and the archive member name. The first entry in the list
|
goto error_return;
|
of names is the path to use to find objects, which the linker has
|
|
passed in as the libpath argument. For some reason, the path
|
|
entry in the other import file names appears to always be empty. */
|
|
impsize = strlen (libpath) + 3;
|
|
impcount = 1;
|
|
for (fl = xcoff_hash_table (info)->imports; fl != NULL; fl = fl->next)
|
|
{
|
|
++impcount;
|
|
impsize += (strlen (fl->path)
|
|
+ strlen (fl->file)
|
|
+ strlen (fl->member)
|
|
+ 3);
|
|
}
|
|
|
|
/* Set up the .loader section header. */
|
|
ldhdr = &xcoff_hash_table (info)->ldhdr;
|
|
ldhdr->l_version = bfd_xcoff_ldhdr_version(output_bfd);
|
|
ldhdr->l_nsyms = ldinfo.ldsym_count;
|
|
ldhdr->l_nreloc = xcoff_hash_table (info)->ldrel_count;
|
|
ldhdr->l_istlen = impsize;
|
|
ldhdr->l_nimpid = impcount;
|
|
ldhdr->l_impoff = (bfd_xcoff_ldhdrsz(output_bfd)
|
|
+ ldhdr->l_nsyms * bfd_xcoff_ldsymsz(output_bfd)
|
|
+ ldhdr->l_nreloc * bfd_xcoff_ldrelsz(output_bfd));
|
|
ldhdr->l_stlen = ldinfo.string_size;
|
|
stoff = ldhdr->l_impoff + impsize;
|
|
if (ldinfo.string_size == 0)
|
|
ldhdr->l_stoff = 0;
|
|
else
|
|
ldhdr->l_stoff = stoff;
|
|
|
|
/* 64 bit elements to ldhdr
|
|
The swap out routine for 32 bit will ignore them.
|
|
Nothing fancy, symbols come after the header and relocs come
|
|
after symbols. */
|
|
ldhdr->l_symoff = bfd_xcoff_ldhdrsz (output_bfd);
|
|
ldhdr->l_rldoff = (bfd_xcoff_ldhdrsz (output_bfd)
|
|
+ ldhdr->l_nsyms * bfd_xcoff_ldsymsz (output_bfd));
|
|
|
|
/* We now know the final size of the .loader section. Allocate
|
|
space for it. */
|
|
lsec = xcoff_hash_table (info)->loader_section;
|
|
lsec->size = stoff + ldhdr->l_stlen;
|
|
lsec->contents = bfd_zalloc (output_bfd, lsec->size);
|
|
if (lsec->contents == NULL)
|
|
goto error_return;
|
|
|
|
/* Set up the header. */
|
|
bfd_xcoff_swap_ldhdr_out (output_bfd, ldhdr, lsec->contents);
|
|
|
|
/* Set up the import file names. */
|
|
out = (char *) lsec->contents + ldhdr->l_impoff;
|
|
strcpy (out, libpath);
|
|
out += strlen (libpath) + 1;
|
|
*out++ = '\0';
|
|
*out++ = '\0';
|
|
for (fl = xcoff_hash_table (info)->imports; fl != NULL; fl = fl->next)
|
|
{
|
|
const char *s;
|
|
|
|
s = fl->path;
|
|
while ((*out++ = *s++) != '\0')
|
|
;
|
|
s = fl->file;
|
|
while ((*out++ = *s++) != '\0')
|
|
;
|
|
s = fl->member;
|
|
while ((*out++ = *s++) != '\0')
|
|
;
|
|
}
|
|
|
|
BFD_ASSERT ((bfd_size_type) ((bfd_byte *) out - lsec->contents) == stoff);
|
|
|
|
/* Set up the symbol string table. */
|
|
if (ldinfo.string_size > 0)
|
|
{
|
|
memcpy (out, ldinfo.strings, ldinfo.string_size);
|
|
free (ldinfo.strings);
|
|
ldinfo.strings = NULL;
|
|
}
|
|
|
|
/* We can't set up the symbol table or the relocs yet, because we
|
|
don't yet know the final position of the various sections. The
|
|
.loader symbols are written out when the corresponding normal
|
|
symbols are written out in xcoff_link_input_bfd or
|
|
xcoff_write_global_symbol. The .loader relocs are written out
|
|
when the corresponding normal relocs are handled in
|
|
xcoff_link_input_bfd. */
|
|
|
|
/* Allocate space for the magic sections. */
|
/* Allocate space for the magic sections. */
|
sec = xcoff_hash_table (info)->linkage_section;
|
sec = xcoff_hash_table (info)->linkage_section;
|
if (sec->size > 0)
|
if (sec->size > 0)
|
{
|
{
|
| Line 3242... |
Line 3797... |
sec->contents = bfd_zalloc (output_bfd, sec->size);
|
sec->contents = bfd_zalloc (output_bfd, sec->size);
|
if (sec->contents == NULL)
|
if (sec->contents == NULL)
|
goto error_return;
|
goto error_return;
|
}
|
}
|
|
|
/* Now that we've done garbage collection, figure out the contents
|
/* Now that we've done garbage collection, decide which symbols to keep,
|
of the .debug section. */
|
and figure out the contents of the .debug section. */
|
debug_strtab = xcoff_hash_table (info)->debug_strtab;
|
debug_strtab = xcoff_hash_table (info)->debug_strtab;
|
|
|
for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
|
for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
|
{
|
{
|
asection *subdeb;
|
asection *subdeb;
|
bfd_size_type symcount;
|
bfd_size_type symcount;
|
unsigned long *debug_index;
|
long *debug_index;
|
asection **csectpp;
|
asection **csectpp;
|
|
unsigned int *lineno_counts;
|
|
struct xcoff_link_hash_entry **sym_hash;
|
bfd_byte *esym, *esymend;
|
bfd_byte *esym, *esymend;
|
bfd_size_type symesz;
|
bfd_size_type symesz;
|
|
|
if (sub->xvec != info->output_bfd->xvec)
|
if (sub->xvec != info->output_bfd->xvec)
|
continue;
|
continue;
|
subdeb = bfd_get_section_by_name (sub, ".debug");
|
|
if (subdeb == NULL || subdeb->size == 0)
|
|
continue;
|
|
|
|
if (info->strip == strip_all
|
if ((sub->flags & DYNAMIC) != 0
|
|| info->strip == strip_debugger
|
&& !info->static_link)
|
|| info->discard == discard_all)
|
|
{
|
|
subdeb->size = 0;
|
|
continue;
|
continue;
|
}
|
|
|
|
if (! _bfd_coff_get_external_symbols (sub))
|
if (! _bfd_coff_get_external_symbols (sub))
|
goto error_return;
|
goto error_return;
|
|
|
symcount = obj_raw_syment_count (sub);
|
symcount = obj_raw_syment_count (sub);
|
debug_index = bfd_zalloc (sub, symcount * sizeof (unsigned long));
|
debug_index = bfd_zalloc (sub, symcount * sizeof (long));
|
if (debug_index == NULL)
|
if (debug_index == NULL)
|
goto error_return;
|
goto error_return;
|
xcoff_data (sub)->debug_indices = debug_index;
|
xcoff_data (sub)->debug_indices = debug_index;
|
|
|
/* Grab the contents of the .debug section. We use malloc and
|
if (info->strip == strip_all
|
copy the names into the debug stringtab, rather than
|
|| info->strip == strip_debugger
|
bfd_alloc, because I expect that, when linking many files
|
|| info->discard == discard_all)
|
together, many of the strings will be the same. Storing the
|
/* We're stripping all debugging information, so there's no need
|
strings in the hash table should save space in this case. */
|
to read SUB's .debug section. */
|
|
subdeb = NULL;
|
|
else
|
|
{
|
|
/* Grab the contents of SUB's .debug section, if any. */
|
|
subdeb = bfd_get_section_by_name (sub, ".debug");
|
|
if (subdeb != NULL && subdeb->size > 0)
|
|
{
|
|
/* We use malloc and copy the names into the debug
|
|
stringtab, rather than bfd_alloc, because I expect
|
|
that, when linking many files together, many of the
|
|
strings will be the same. Storing the strings in the
|
|
hash table should save space in this case. */
|
if (! bfd_malloc_and_get_section (sub, subdeb, &debug_contents))
|
if (! bfd_malloc_and_get_section (sub, subdeb, &debug_contents))
|
goto error_return;
|
goto error_return;
|
|
}
|
|
}
|
|
|
csectpp = xcoff_data (sub)->csects;
|
csectpp = xcoff_data (sub)->csects;
|
|
lineno_counts = xcoff_data (sub)->lineno_counts;
|
/* Dynamic object do not have csectpp's. */
|
sym_hash = obj_xcoff_sym_hashes (sub);
|
if (NULL != csectpp)
|
|
{
|
|
symesz = bfd_coff_symesz (sub);
|
symesz = bfd_coff_symesz (sub);
|
esym = (bfd_byte *) obj_coff_external_syms (sub);
|
esym = (bfd_byte *) obj_coff_external_syms (sub);
|
esymend = esym + symcount * symesz;
|
esymend = esym + symcount * symesz;
|
|
|
while (esym < esymend)
|
while (esym < esymend)
|
{
|
{
|
struct internal_syment sym;
|
struct internal_syment sym;
|
|
union internal_auxent aux;
|
|
asection *csect;
|
|
const char *name;
|
|
int keep_p;
|
|
|
bfd_coff_swap_sym_in (sub, (void *) esym, (void *) &sym);
|
bfd_coff_swap_sym_in (sub, esym, &sym);
|
|
|
*debug_index = (unsigned long) -1;
|
/* Read in the csect information, if any. */
|
|
if (CSECT_SYM_P (sym.n_sclass))
|
|
{
|
|
BFD_ASSERT (sym.n_numaux > 0);
|
|
bfd_coff_swap_aux_in (sub, esym + symesz * sym.n_numaux,
|
|
sym.n_type, sym.n_sclass,
|
|
sym.n_numaux - 1, sym.n_numaux, &aux);
|
|
}
|
|
|
if (sym._n._n_n._n_zeroes == 0
|
/* If this symbol's name is stored in the debug section,
|
&& *csectpp != NULL
|
get a pointer to it. */
|
&& (! gc
|
if (debug_contents != NULL
|
|| ((*csectpp)->flags & SEC_MARK) != 0
|
&& sym._n._n_n._n_zeroes == 0
|
|| *csectpp == bfd_abs_section_ptr)
|
|
&& bfd_coff_symname_in_debug (sub, &sym))
|
&& bfd_coff_symname_in_debug (sub, &sym))
|
|
name = (const char *) debug_contents + sym._n._n_n._n_offset;
|
|
else
|
|
name = NULL;
|
|
|
|
/* Decide whether to copy this symbol to the output file. */
|
|
csect = *csectpp;
|
|
keep_p = xcoff_keep_symbol_p (info, sub, &sym, &aux,
|
|
*sym_hash, csect, name);
|
|
if (keep_p < 0)
|
|
return FALSE;
|
|
|
|
if (!keep_p)
|
|
/* Use a debug_index of -2 to record that a symbol should
|
|
be stripped. */
|
|
*debug_index = -2;
|
|
else
|
|
{
|
|
/* See whether we should store the symbol name in the
|
|
output .debug section. */
|
|
if (name != NULL)
|
{
|
{
|
char *name;
|
|
bfd_size_type indx;
|
bfd_size_type indx;
|
|
|
name = (char *) debug_contents + sym._n._n_n._n_offset;
|
|
indx = _bfd_stringtab_add (debug_strtab, name, TRUE, TRUE);
|
indx = _bfd_stringtab_add (debug_strtab, name, TRUE, TRUE);
|
if (indx == (bfd_size_type) -1)
|
if (indx == (bfd_size_type) -1)
|
goto error_return;
|
goto error_return;
|
*debug_index = indx;
|
*debug_index = indx;
|
}
|
}
|
|
else
|
|
*debug_index = -1;
|
|
if (*sym_hash != 0)
|
|
(*sym_hash)->flags |= XCOFF_ALLOCATED;
|
|
if (*lineno_counts > 0)
|
|
csect->output_section->lineno_count += *lineno_counts;
|
|
}
|
|
|
esym += (sym.n_numaux + 1) * symesz;
|
esym += (sym.n_numaux + 1) * symesz;
|
csectpp += sym.n_numaux + 1;
|
csectpp += sym.n_numaux + 1;
|
|
sym_hash += sym.n_numaux + 1;
|
|
lineno_counts += sym.n_numaux + 1;
|
debug_index += sym.n_numaux + 1;
|
debug_index += sym.n_numaux + 1;
|
}
|
}
|
}
|
|
|
|
|
if (debug_contents)
|
|
{
|
free (debug_contents);
|
free (debug_contents);
|
debug_contents = NULL;
|
debug_contents = NULL;
|
|
|
/* Clear the size of subdeb, so that it is not included directly
|
/* Clear the size of subdeb, so that it is not included directly
|
in the output file. */
|
in the output file. */
|
subdeb->size = 0;
|
subdeb->size = 0;
|
|
}
|
|
|
if (! info->keep_memory)
|
if (! info->keep_memory)
|
{
|
{
|
if (! _bfd_coff_free_symbols (sub))
|
if (! _bfd_coff_free_symbols (sub))
|
goto error_return;
|
goto error_return;
|
| Line 3387... |
Line 3988... |
abfd->where = 0;
|
abfd->where = 0;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
|
/* Return the section that defines H. Return null if no section does. */
|
|
|
|
static asection *
|
|
xcoff_symbol_section (struct xcoff_link_hash_entry *h)
|
|
{
|
|
switch (h->root.type)
|
|
{
|
|
case bfd_link_hash_defined:
|
|
case bfd_link_hash_defweak:
|
|
return h->root.u.def.section;
|
|
|
|
case bfd_link_hash_common:
|
|
return h->root.u.c.p->section;
|
|
|
|
default:
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/* Add a .loader relocation for input relocation IREL. If the loader
|
|
relocation should be against an output section, HSEC points to the
|
|
input section that IREL is against, otherwise HSEC is null. H is the
|
|
symbol that IREL is against, or null if it isn't against a global symbol.
|
|
REFERENCE_BFD is the bfd to use in error messages about the relocation. */
|
|
|
|
static bfd_boolean
|
|
xcoff_create_ldrel (bfd *output_bfd, struct xcoff_final_link_info *finfo,
|
|
asection *output_section, bfd *reference_bfd,
|
|
struct internal_reloc *irel, asection *hsec,
|
|
struct xcoff_link_hash_entry *h)
|
|
{
|
|
struct internal_ldrel ldrel;
|
|
|
|
ldrel.l_vaddr = irel->r_vaddr;
|
|
if (hsec != NULL)
|
|
{
|
|
const char *secname;
|
|
|
|
secname = hsec->output_section->name;
|
|
if (strcmp (secname, ".text") == 0)
|
|
ldrel.l_symndx = 0;
|
|
else if (strcmp (secname, ".data") == 0)
|
|
ldrel.l_symndx = 1;
|
|
else if (strcmp (secname, ".bss") == 0)
|
|
ldrel.l_symndx = 2;
|
|
else
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("%B: loader reloc in unrecognized section `%s'"),
|
|
reference_bfd, secname);
|
|
bfd_set_error (bfd_error_nonrepresentable_section);
|
|
return FALSE;
|
|
}
|
|
}
|
|
else if (h != NULL)
|
|
{
|
|
if (h->ldindx < 0)
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("%B: `%s' in loader reloc but not loader sym"),
|
|
reference_bfd, h->root.root.string);
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return FALSE;
|
|
}
|
|
ldrel.l_symndx = h->ldindx;
|
|
}
|
|
else
|
|
ldrel.l_symndx = -(bfd_size_type) 1;
|
|
|
|
ldrel.l_rtype = (irel->r_size << 8) | irel->r_type;
|
|
ldrel.l_rsecnm = output_section->target_index;
|
|
if (xcoff_hash_table (finfo->info)->textro
|
|
&& strcmp (output_section->name, ".text") == 0)
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("%B: loader reloc in read-only section %A"),
|
|
reference_bfd, output_section);
|
|
bfd_set_error (bfd_error_invalid_operation);
|
|
return FALSE;
|
|
}
|
|
bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel, finfo->ldrel);
|
|
finfo->ldrel += bfd_xcoff_ldrelsz (output_bfd);
|
|
return TRUE;
|
|
}
|
|
|
/* Link an input file into the linker output file. This function
|
/* Link an input file into the linker output file. This function
|
handles all the sections and relocations of the input file at once. */
|
handles all the sections and relocations of the input file at once. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
xcoff_link_input_bfd (struct xcoff_final_link_info *finfo,
|
xcoff_link_input_bfd (struct xcoff_final_link_info *finfo,
|
| Line 3408... |
Line 4094... |
bfd_byte *esym;
|
bfd_byte *esym;
|
bfd_byte *esym_end;
|
bfd_byte *esym_end;
|
struct xcoff_link_hash_entry **sym_hash;
|
struct xcoff_link_hash_entry **sym_hash;
|
struct internal_syment *isymp;
|
struct internal_syment *isymp;
|
asection **csectpp;
|
asection **csectpp;
|
unsigned long *debug_index;
|
unsigned int *lineno_counts;
|
|
long *debug_index;
|
long *indexp;
|
long *indexp;
|
unsigned long output_index;
|
unsigned long output_index;
|
bfd_byte *outsym;
|
bfd_byte *outsym;
|
unsigned int incls;
|
unsigned int incls;
|
asection *oline;
|
asection *oline;
|
| Line 3448... |
Line 4135... |
hash = FALSE;
|
hash = FALSE;
|
|
|
if (! _bfd_coff_get_external_symbols (input_bfd))
|
if (! _bfd_coff_get_external_symbols (input_bfd))
|
return FALSE;
|
return FALSE;
|
|
|
|
/* Make one pass over the symbols and assign indices to symbols that
|
|
we have decided to keep. Also use create .loader symbol information
|
|
and update information in hash table entries. */
|
esym = (bfd_byte *) obj_coff_external_syms (input_bfd);
|
esym = (bfd_byte *) obj_coff_external_syms (input_bfd);
|
esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz;
|
esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz;
|
sym_hash = obj_xcoff_sym_hashes (input_bfd);
|
sym_hash = obj_xcoff_sym_hashes (input_bfd);
|
csectpp = xcoff_data (input_bfd)->csects;
|
csectpp = xcoff_data (input_bfd)->csects;
|
debug_index = xcoff_data (input_bfd)->debug_indices;
|
debug_index = xcoff_data (input_bfd)->debug_indices;
|
isymp = finfo->internal_syms;
|
isymp = finfo->internal_syms;
|
indexp = finfo->sym_indices;
|
indexp = finfo->sym_indices;
|
output_index = syment_base;
|
output_index = syment_base;
|
outsym = finfo->outsyms;
|
|
incls = 0;
|
|
oline = NULL;
|
|
|
|
while (esym < esym_end)
|
while (esym < esym_end)
|
{
|
{
|
struct internal_syment isym;
|
|
union internal_auxent aux;
|
union internal_auxent aux;
|
int smtyp = 0;
|
int smtyp = 0;
|
bfd_boolean skip;
|
|
bfd_boolean require;
|
|
int add;
|
int add;
|
|
|
bfd_coff_swap_sym_in (input_bfd, (void *) esym, (void *) isymp);
|
bfd_coff_swap_sym_in (input_bfd, (void *) esym, (void *) isymp);
|
|
|
/* If this is a C_EXT or C_HIDEXT symbol, we need the csect
|
/* Read in the csect information, if any. */
|
information. */
|
if (CSECT_SYM_P (isymp->n_sclass))
|
if (isymp->n_sclass == C_EXT || isymp->n_sclass == C_HIDEXT)
|
|
{
|
{
|
BFD_ASSERT (isymp->n_numaux > 0);
|
BFD_ASSERT (isymp->n_numaux > 0);
|
bfd_coff_swap_aux_in (input_bfd,
|
bfd_coff_swap_aux_in (input_bfd,
|
(void *) (esym + isymesz * isymp->n_numaux),
|
(void *) (esym + isymesz * isymp->n_numaux),
|
isymp->n_type, isymp->n_sclass,
|
isymp->n_type, isymp->n_sclass,
|
| Line 3485... |
Line 4167... |
(void *) &aux);
|
(void *) &aux);
|
|
|
smtyp = SMTYP_SMTYP (aux.x_csect.x_smtyp);
|
smtyp = SMTYP_SMTYP (aux.x_csect.x_smtyp);
|
}
|
}
|
|
|
/* Make a copy of *isymp so that the relocate_section function
|
|
always sees the original values. This is more reliable than
|
|
always recomputing the symbol value even if we are stripping
|
|
the symbol. */
|
|
isym = *isymp;
|
|
|
|
/* If this symbol is in the .loader section, swap out the
|
/* If this symbol is in the .loader section, swap out the
|
.loader symbol information. If this is an external symbol
|
.loader symbol information. If this is an external symbol
|
reference to a defined symbol, though, then wait until we get
|
reference to a defined symbol, though, then wait until we get
|
to the definition. */
|
to the definition. */
|
if (isym.n_sclass == C_EXT
|
if (EXTERN_SYM_P (isymp->n_sclass)
|
&& *sym_hash != NULL
|
&& *sym_hash != NULL
|
&& (*sym_hash)->ldsym != NULL
|
&& (*sym_hash)->ldsym != NULL
|
&& (smtyp != XTY_ER
|
&& xcoff_final_definition_p (input_bfd, *sym_hash, *csectpp))
|
|| (*sym_hash)->root.type == bfd_link_hash_undefined))
|
|
{
|
{
|
struct xcoff_link_hash_entry *h;
|
struct xcoff_link_hash_entry *h;
|
struct internal_ldsym *ldsym;
|
struct internal_ldsym *ldsym;
|
|
|
h = *sym_hash;
|
h = *sym_hash;
|
ldsym = h->ldsym;
|
ldsym = h->ldsym;
|
if (isym.n_scnum > 0)
|
if (isymp->n_scnum > 0)
|
{
|
{
|
ldsym->l_scnum = (*csectpp)->output_section->target_index;
|
ldsym->l_scnum = (*csectpp)->output_section->target_index;
|
ldsym->l_value = (isym.n_value
|
ldsym->l_value = (isymp->n_value
|
+ (*csectpp)->output_section->vma
|
+ (*csectpp)->output_section->vma
|
+ (*csectpp)->output_offset
|
+ (*csectpp)->output_offset
|
- (*csectpp)->vma);
|
- (*csectpp)->vma);
|
}
|
}
|
else
|
else
|
{
|
{
|
ldsym->l_scnum = isym.n_scnum;
|
ldsym->l_scnum = isymp->n_scnum;
|
ldsym->l_value = isym.n_value;
|
ldsym->l_value = isymp->n_value;
|
}
|
}
|
|
|
ldsym->l_smtype = smtyp;
|
ldsym->l_smtype = smtyp;
|
if (((h->flags & XCOFF_DEF_REGULAR) == 0
|
if (((h->flags & XCOFF_DEF_REGULAR) == 0
|
&& (h->flags & XCOFF_DEF_DYNAMIC) != 0)
|
&& (h->flags & XCOFF_DEF_DYNAMIC) != 0)
|
| Line 3531... |
Line 4206... |
&& (h->flags & XCOFF_DEF_DYNAMIC) != 0)
|
&& (h->flags & XCOFF_DEF_DYNAMIC) != 0)
|
|| (h->flags & XCOFF_EXPORT) != 0)
|
|| (h->flags & XCOFF_EXPORT) != 0)
|
ldsym->l_smtype |= L_EXPORT;
|
ldsym->l_smtype |= L_EXPORT;
|
if ((h->flags & XCOFF_ENTRY) != 0)
|
if ((h->flags & XCOFF_ENTRY) != 0)
|
ldsym->l_smtype |= L_ENTRY;
|
ldsym->l_smtype |= L_ENTRY;
|
|
if (isymp->n_sclass == C_AIX_WEAKEXT)
|
|
ldsym->l_smtype |= L_WEAK;
|
|
|
ldsym->l_smclas = aux.x_csect.x_smclas;
|
ldsym->l_smclas = aux.x_csect.x_smclas;
|
|
|
if (ldsym->l_ifile == (bfd_size_type) -1)
|
if (ldsym->l_ifile == (bfd_size_type) -1)
|
ldsym->l_ifile = 0;
|
ldsym->l_ifile = 0;
|
| Line 3582... |
Line 4259... |
xcoff_data (output_bfd)->snentry =
|
xcoff_data (output_bfd)->snentry =
|
h->root.u.def.section->output_section->target_index;
|
h->root.u.def.section->output_section->target_index;
|
}
|
}
|
}
|
}
|
|
|
*indexp = -1;
|
add = 1 + isymp->n_numaux;
|
|
|
skip = FALSE;
|
|
require = FALSE;
|
|
add = 1 + isym.n_numaux;
|
|
|
|
/* If we are skipping this csect, we want to skip this symbol. */
|
|
if (*csectpp == NULL)
|
|
skip = TRUE;
|
|
|
|
/* If we garbage collected this csect, we want to skip this
|
if (*debug_index == -2)
|
symbol. */
|
/* We've decided to strip this symbol. */
|
if (! skip
|
*indexp = -1;
|
&& xcoff_hash_table (finfo->info)->gc
|
|
&& ((*csectpp)->flags & SEC_MARK) == 0
|
|
&& *csectpp != bfd_abs_section_ptr)
|
|
skip = TRUE;
|
|
|
|
/* An XCOFF linker always skips C_STAT symbols. */
|
|
if (! skip
|
|
&& isymp->n_sclass == C_STAT)
|
|
skip = TRUE;
|
|
|
|
/* We skip all but the first TOC anchor. */
|
|
if (! skip
|
|
&& isymp->n_sclass == C_HIDEXT
|
|
&& aux.x_csect.x_smclas == XMC_TC0)
|
|
{
|
|
if (finfo->toc_symindx != -1)
|
|
skip = TRUE;
|
|
else
|
else
|
{
|
{
|
bfd_vma tocval, tocend;
|
/* Assign the next unused index to this symbol. */
|
bfd *inp;
|
*indexp = output_index;
|
|
|
tocval = ((*csectpp)->output_section->vma
|
|
+ (*csectpp)->output_offset
|
|
+ isym.n_value
|
|
- (*csectpp)->vma);
|
|
|
|
/* We want to find out if tocval is a good value to use
|
if (EXTERN_SYM_P (isymp->n_sclass))
|
as the TOC anchor--that is, whether we can access all
|
|
of the TOC using a 16 bit offset from tocval. This
|
|
test assumes that the TOC comes at the end of the
|
|
output section, as it does in the default linker
|
|
script. */
|
|
tocend = ((*csectpp)->output_section->vma
|
|
+ (*csectpp)->output_section->size);
|
|
for (inp = finfo->info->input_bfds;
|
|
inp != NULL;
|
|
inp = inp->link_next)
|
|
{
|
{
|
|
BFD_ASSERT (*sym_hash != NULL);
|
|
(*sym_hash)->indx = output_index;
|
|
}
|
|
|
for (o = inp->sections; o != NULL; o = o->next)
|
/* If this is a symbol in the TOC which we may have merged
|
if (strcmp (o->name, ".tocbss") == 0)
|
(class XMC_TC), remember the symbol index of the TOC
|
|
symbol. */
|
|
if (isymp->n_sclass == C_HIDEXT
|
|
&& aux.x_csect.x_smclas == XMC_TC
|
|
&& *sym_hash != NULL)
|
{
|
{
|
bfd_vma new_toc_end;
|
BFD_ASSERT (((*sym_hash)->flags & XCOFF_SET_TOC) == 0);
|
new_toc_end = (o->output_section->vma
|
BFD_ASSERT ((*sym_hash)->toc_section != NULL);
|
+ o->output_offset
|
(*sym_hash)->u.toc_indx = output_index;
|
+ o->size);
|
|
if (new_toc_end > tocend)
|
|
tocend = new_toc_end;
|
|
}
|
}
|
|
|
|
output_index += add;
|
}
|
}
|
|
|
if (tocval + 0x10000 < tocend)
|
esym += add * isymesz;
|
{
|
isymp += add;
|
(*_bfd_error_handler)
|
csectpp += add;
|
(_("TOC overflow: 0x%lx > 0x10000; try -mminimal-toc when compiling"),
|
sym_hash += add;
|
(unsigned long) (tocend - tocval));
|
debug_index += add;
|
bfd_set_error (bfd_error_file_too_big);
|
++indexp;
|
return FALSE;
|
for (--add; add > 0; --add)
|
|
*indexp++ = -1;
|
}
|
}
|
|
|
if (tocval + 0x8000 < tocend)
|
/* Now write out the symbols that we decided to keep. */
|
{
|
|
bfd_vma tocadd;
|
|
|
|
tocadd = tocend - (tocval + 0x8000);
|
esym = (bfd_byte *) obj_coff_external_syms (input_bfd);
|
tocval += tocadd;
|
esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz;
|
isym.n_value += tocadd;
|
sym_hash = obj_xcoff_sym_hashes (input_bfd);
|
}
|
isymp = finfo->internal_syms;
|
|
indexp = finfo->sym_indices;
|
finfo->toc_symindx = output_index;
|
csectpp = xcoff_data (input_bfd)->csects;
|
xcoff_data (finfo->output_bfd)->toc = tocval;
|
lineno_counts = xcoff_data (input_bfd)->lineno_counts;
|
xcoff_data (finfo->output_bfd)->sntoc =
|
debug_index = xcoff_data (input_bfd)->debug_indices;
|
(*csectpp)->output_section->target_index;
|
outsym = finfo->outsyms;
|
require = TRUE;
|
incls = 0;
|
|
oline = NULL;
|
}
|
while (esym < esym_end)
|
}
|
|
|
|
/* If we are stripping all symbols, we want to skip this one. */
|
|
if (! skip
|
|
&& finfo->info->strip == strip_all)
|
|
skip = TRUE;
|
|
|
|
/* We can skip resolved external references. */
|
|
if (! skip
|
|
&& isym.n_sclass == C_EXT
|
|
&& smtyp == XTY_ER
|
|
&& (*sym_hash)->root.type != bfd_link_hash_undefined)
|
|
skip = TRUE;
|
|
|
|
/* We can skip common symbols if they got defined somewhere
|
|
else. */
|
|
if (! skip
|
|
&& isym.n_sclass == C_EXT
|
|
&& smtyp == XTY_CM
|
|
&& ((*sym_hash)->root.type != bfd_link_hash_common
|
|
|| (*sym_hash)->root.u.c.p->section != *csectpp)
|
|
&& ((*sym_hash)->root.type != bfd_link_hash_defined
|
|
|| (*sym_hash)->root.u.def.section != *csectpp))
|
|
skip = TRUE;
|
|
|
|
/* Skip local symbols if we are discarding them. */
|
|
if (! skip
|
|
&& finfo->info->discard == discard_all
|
|
&& isym.n_sclass != C_EXT
|
|
&& (isym.n_sclass != C_HIDEXT
|
|
|| smtyp != XTY_SD))
|
|
skip = TRUE;
|
|
|
|
/* If we stripping debugging symbols, and this is a debugging
|
|
symbol, then skip it. */
|
|
if (! skip
|
|
&& finfo->info->strip == strip_debugger
|
|
&& isym.n_scnum == N_DEBUG)
|
|
skip = TRUE;
|
|
|
|
/* If some symbols are stripped based on the name, work out the
|
|
name and decide whether to skip this symbol. We don't handle
|
|
this correctly for symbols whose names are in the .debug
|
|
section; to get it right we would need a new bfd_strtab_hash
|
|
function to return the string given the index. */
|
|
if (! skip
|
|
&& (finfo->info->strip == strip_some
|
|
|| finfo->info->discard == discard_l)
|
|
&& (debug_index == NULL || *debug_index == (unsigned long) -1))
|
|
{
|
{
|
const char *name;
|
int add;
|
char buf[SYMNMLEN + 1];
|
|
|
|
name = _bfd_coff_internal_syment_name (input_bfd, &isym, buf);
|
|
|
|
if (name == NULL)
|
|
return FALSE;
|
|
|
|
if ((finfo->info->strip == strip_some
|
add = 1 + isymp->n_numaux;
|
&& (bfd_hash_lookup (finfo->info->keep_hash, name, FALSE,
|
|
FALSE) == NULL))
|
|
|| (finfo->info->discard == discard_l
|
|
&& (isym.n_sclass != C_EXT
|
|
&& (isym.n_sclass != C_HIDEXT
|
|
|| smtyp != XTY_SD))
|
|
&& bfd_is_local_label_name (input_bfd, name)))
|
|
skip = TRUE;
|
|
}
|
|
|
|
/* We can not skip the first TOC anchor. */
|
|
if (skip
|
|
&& require
|
|
&& finfo->info->strip != strip_all)
|
|
skip = FALSE;
|
|
|
|
/* We now know whether we are to skip this symbol or not. */
|
if (*indexp < 0)
|
if (! skip)
|
esym += add * isymesz;
|
|
else
|
{
|
{
|
/* Adjust the symbol in order to output it. */
|
struct internal_syment isym;
|
|
int i;
|
|
|
|
/* Adjust the symbol in order to output it. */
|
|
isym = *isymp;
|
if (isym._n._n_n._n_zeroes == 0
|
if (isym._n._n_n._n_zeroes == 0
|
&& isym._n._n_n._n_offset != 0)
|
&& isym._n._n_n._n_offset != 0)
|
{
|
{
|
/* This symbol has a long name. Enter it in the string
|
/* This symbol has a long name. Enter it in the string
|
table we are building. If *debug_index != -1, the
|
table we are building. If *debug_index != -1, the
|
name has already been entered in the .debug section. */
|
name has already been entered in the .debug section. */
|
if (debug_index != NULL && *debug_index != (unsigned long) -1)
|
if (*debug_index >= 0)
|
isym._n._n_n._n_offset = *debug_index;
|
isym._n._n_n._n_offset = *debug_index;
|
else
|
else
|
{
|
{
|
const char *name;
|
const char *name;
|
bfd_size_type indx;
|
bfd_size_type indx;
|
| Line 3777... |
Line 4352... |
return FALSE;
|
return FALSE;
|
isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx;
|
isym._n._n_n._n_offset = STRING_SIZE_SIZE + indx;
|
}
|
}
|
}
|
}
|
|
|
if (isym.n_sclass != C_BSTAT
|
/* Make __rtinit C_HIDEXT rather than C_EXT. This avoids
|
&& isym.n_sclass != C_ESTAT
|
multiple definition problems when linking a shared object
|
&& isym.n_sclass != C_DECL
|
statically. (The native linker doesn't enter __rtinit into
|
&& isym.n_scnum > 0)
|
the normal table at all, but having a local symbol can make
|
{
|
the objdump output easier to read.) */
|
isym.n_scnum = (*csectpp)->output_section->target_index;
|
if (isym.n_sclass == C_EXT
|
isym.n_value += ((*csectpp)->output_section->vma
|
&& *sym_hash
|
+ (*csectpp)->output_offset
|
&& ((*sym_hash)->flags & XCOFF_RTINIT) != 0)
|
- (*csectpp)->vma);
|
isym.n_sclass = C_HIDEXT;
|
}
|
|
|
|
/* The value of a C_FILE symbol is the symbol index of the
|
/* The value of a C_FILE symbol is the symbol index of the
|
next C_FILE symbol. The value of the last C_FILE symbol
|
next C_FILE symbol. The value of the last C_FILE symbol
|
is -1. We try to get this right, below, just before we
|
is -1. We try to get this right, below, just before we
|
write the symbols out, but in the general case we may
|
write the symbols out, but in the general case we may
|
have to write the symbol out twice. */
|
have to write the symbol out twice. */
|
if (isym.n_sclass == C_FILE)
|
if (isym.n_sclass == C_FILE)
|
{
|
{
|
if (finfo->last_file_index != -1
|
if (finfo->last_file_index != -1
|
&& finfo->last_file.n_value != (bfd_vma) output_index)
|
&& finfo->last_file.n_value != (bfd_vma) *indexp)
|
{
|
{
|
/* We must correct the value of the last C_FILE entry. */
|
/* We must correct the value of the last C_FILE entry. */
|
finfo->last_file.n_value = output_index;
|
finfo->last_file.n_value = *indexp;
|
if ((bfd_size_type) finfo->last_file_index >= syment_base)
|
if ((bfd_size_type) finfo->last_file_index >= syment_base)
|
{
|
{
|
/* The last C_FILE symbol is in this input file. */
|
/* The last C_FILE symbol is in this input file. */
|
bfd_coff_swap_sym_out (output_bfd,
|
bfd_coff_swap_sym_out (output_bfd,
|
(void *) &finfo->last_file,
|
(void *) &finfo->last_file,
|
| Line 3830... |
Line 4404... |
!= osymesz))
|
!= osymesz))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
|
|
finfo->last_file_index = output_index;
|
finfo->last_file_index = *indexp;
|
finfo->last_file = isym;
|
finfo->last_file = isym;
|
}
|
}
|
|
|
/* The value of a C_BINCL or C_EINCL symbol is a file offset
|
/* The value of a C_BINCL or C_EINCL symbol is a file offset
|
into the line numbers. We update the symbol values when
|
into the line numbers. We update the symbol values when
|
| Line 3843... |
Line 4417... |
|| isym.n_sclass == C_EINCL)
|
|| isym.n_sclass == C_EINCL)
|
{
|
{
|
isym.n_value = finfo->line_filepos;
|
isym.n_value = finfo->line_filepos;
|
++incls;
|
++incls;
|
}
|
}
|
|
|
/* Output the symbol. */
|
|
|
|
bfd_coff_swap_sym_out (output_bfd, (void *) &isym, (void *) outsym);
|
|
|
|
*indexp = output_index;
|
|
|
|
if (isym.n_sclass == C_EXT)
|
|
{
|
|
long indx;
|
|
struct xcoff_link_hash_entry *h;
|
|
|
|
indx = ((esym - (bfd_byte *) obj_coff_external_syms (input_bfd))
|
|
/ isymesz);
|
|
h = obj_xcoff_sym_hashes (input_bfd)[indx];
|
|
BFD_ASSERT (h != NULL);
|
|
h->indx = output_index;
|
|
}
|
|
|
|
/* If this is a symbol in the TOC which we may have merged
|
|
(class XMC_TC), remember the symbol index of the TOC
|
|
symbol. */
|
|
if (isym.n_sclass == C_HIDEXT
|
|
&& aux.x_csect.x_smclas == XMC_TC
|
|
&& *sym_hash != NULL)
|
|
{
|
|
BFD_ASSERT (((*sym_hash)->flags & XCOFF_SET_TOC) == 0);
|
|
BFD_ASSERT ((*sym_hash)->toc_section != NULL);
|
|
(*sym_hash)->u.toc_indx = output_index;
|
|
}
|
|
|
|
output_index += add;
|
|
outsym += add * osymesz;
|
|
}
|
|
|
|
esym += add * isymesz;
|
|
isymp += add;
|
|
csectpp += add;
|
|
sym_hash += add;
|
|
if (debug_index != NULL)
|
|
debug_index += add;
|
|
++indexp;
|
|
for (--add; add > 0; --add)
|
|
*indexp++ = -1;
|
|
}
|
|
|
|
/* Fix up the aux entries and the C_BSTAT symbols. This must be
|
|
done in a separate pass, because we don't know the correct symbol
|
|
indices until we have already decided which symbols we are going
|
|
to keep. */
|
|
|
|
esym = (bfd_byte *) obj_coff_external_syms (input_bfd);
|
|
esym_end = esym + obj_raw_syment_count (input_bfd) * isymesz;
|
|
isymp = finfo->internal_syms;
|
|
indexp = finfo->sym_indices;
|
|
csectpp = xcoff_data (input_bfd)->csects;
|
|
outsym = finfo->outsyms;
|
|
while (esym < esym_end)
|
|
{
|
|
int add;
|
|
|
|
add = 1 + isymp->n_numaux;
|
|
|
|
if (*indexp < 0)
|
|
esym += add * isymesz;
|
|
else
|
|
{
|
|
int i;
|
|
|
|
if (isymp->n_sclass == C_BSTAT)
|
|
{
|
|
struct internal_syment isym;
|
|
|
|
bfd_vma indx;
|
|
|
|
/* The value of a C_BSTAT symbol is the symbol table
|
/* The value of a C_BSTAT symbol is the symbol table
|
index of the containing csect. */
|
index of the containing csect. */
|
bfd_coff_swap_sym_in (output_bfd, (void *) outsym, (void *) &isym);
|
else if (isym.n_sclass == C_BSTAT)
|
|
{
|
|
bfd_vma indx;
|
|
|
indx = isym.n_value;
|
indx = isym.n_value;
|
if (indx < obj_raw_syment_count (input_bfd))
|
if (indx < obj_raw_syment_count (input_bfd))
|
{
|
{
|
long symindx;
|
long symindx;
|
|
|
symindx = finfo->sym_indices[indx];
|
symindx = finfo->sym_indices[indx];
|
if (symindx < 0)
|
if (symindx < 0)
|
isym.n_value = 0;
|
isym.n_value = 0;
|
else
|
else
|
isym.n_value = symindx;
|
isym.n_value = symindx;
|
bfd_coff_swap_sym_out (output_bfd, (void *) &isym,
|
|
(void *) outsym);
|
|
}
|
}
|
}
|
}
|
|
else if (isym.n_sclass != C_ESTAT
|
|
&& isym.n_sclass != C_DECL
|
|
&& isym.n_scnum > 0)
|
|
{
|
|
isym.n_scnum = (*csectpp)->output_section->target_index;
|
|
isym.n_value += ((*csectpp)->output_section->vma
|
|
+ (*csectpp)->output_offset
|
|
- (*csectpp)->vma);
|
|
}
|
|
|
|
/* Output the symbol. */
|
|
bfd_coff_swap_sym_out (output_bfd, (void *) &isym, (void *) outsym);
|
|
|
esym += isymesz;
|
esym += isymesz;
|
outsym += osymesz;
|
outsym += osymesz;
|
|
|
for (i = 0; i < isymp->n_numaux && esym < esym_end; i++)
|
for (i = 0; i < isymp->n_numaux && esym < esym_end; i++)
|
| Line 3974... |
Line 4486... |
if (indx == (bfd_size_type) -1)
|
if (indx == (bfd_size_type) -1)
|
return FALSE;
|
return FALSE;
|
aux.x_file.x_n.x_offset = STRING_SIZE_SIZE + indx;
|
aux.x_file.x_n.x_offset = STRING_SIZE_SIZE + indx;
|
}
|
}
|
}
|
}
|
else if ((isymp->n_sclass == C_EXT
|
else if (CSECT_SYM_P (isymp->n_sclass)
|
|| isymp->n_sclass == C_HIDEXT)
|
|
&& i + 1 == isymp->n_numaux)
|
&& i + 1 == isymp->n_numaux)
|
{
|
{
|
|
|
/* We don't support type checking. I don't know if
|
/* We don't support type checking. I don't know if
|
anybody does. */
|
anybody does. */
|
| Line 4054... |
Line 4565... |
}
|
}
|
|
|
/* Copy over the line numbers, unless we are stripping
|
/* Copy over the line numbers, unless we are stripping
|
them. We do this on a symbol by symbol basis in
|
them. We do this on a symbol by symbol basis in
|
order to more easily handle garbage collection. */
|
order to more easily handle garbage collection. */
|
if ((isymp->n_sclass == C_EXT
|
if (CSECT_SYM_P (isymp->n_sclass)
|
|| isymp->n_sclass == C_HIDEXT)
|
|
&& i == 0
|
&& i == 0
|
&& isymp->n_numaux > 1
|
&& isymp->n_numaux > 1
|
&& ISFCN (isymp->n_type)
|
&& ISFCN (isymp->n_type)
|
&& aux.x_sym.x_fcnary.x_fcn.x_lnnoptr != 0)
|
&& aux.x_sym.x_fcnary.x_fcn.x_lnnoptr != 0)
|
{
|
{
|
if (finfo->info->strip != strip_none
|
if (*lineno_counts == 0)
|
&& finfo->info->strip != strip_some)
|
|
aux.x_sym.x_fcnary.x_fcn.x_lnnoptr = 0;
|
aux.x_sym.x_fcnary.x_fcn.x_lnnoptr = 0;
|
else
|
else
|
{
|
{
|
asection *enclosing;
|
asection *enclosing;
|
unsigned int enc_count;
|
unsigned int enc_count;
|
bfd_signed_vma linoff;
|
bfd_signed_vma linoff;
|
struct internal_lineno lin;
|
struct internal_lineno lin;
|
|
bfd_byte *linp;
|
|
bfd_byte *linpend;
|
|
bfd_vma offset;
|
|
file_ptr pos;
|
|
bfd_size_type amt;
|
|
|
|
/* Read in the enclosing section's line-number
|
|
information, if we haven't already. */
|
o = *csectpp;
|
o = *csectpp;
|
enclosing = xcoff_section_data (abfd, o)->enclosing;
|
enclosing = xcoff_section_data (abfd, o)->enclosing;
|
enc_count = xcoff_section_data (abfd, o)->lineno_count;
|
enc_count = xcoff_section_data (abfd, o)->lineno_count;
|
if (oline != enclosing)
|
if (oline != enclosing)
|
{
|
{
|
file_ptr pos = enclosing->line_filepos;
|
pos = enclosing->line_filepos;
|
bfd_size_type amt = linesz * enc_count;
|
amt = linesz * enc_count;
|
if (bfd_seek (input_bfd, pos, SEEK_SET) != 0
|
if (bfd_seek (input_bfd, pos, SEEK_SET) != 0
|
|| (bfd_bread (finfo->linenos, amt, input_bfd)
|
|| (bfd_bread (finfo->linenos, amt, input_bfd)
|
!= amt))
|
!= amt))
|
return FALSE;
|
return FALSE;
|
oline = enclosing;
|
oline = enclosing;
|
}
|
}
|
|
|
|
/* Copy across the first entry, adjusting its
|
|
symbol index. */
|
linoff = (aux.x_sym.x_fcnary.x_fcn.x_lnnoptr
|
linoff = (aux.x_sym.x_fcnary.x_fcn.x_lnnoptr
|
- enclosing->line_filepos);
|
- enclosing->line_filepos);
|
|
linp = finfo->linenos + linoff;
|
bfd_coff_swap_lineno_in (input_bfd,
|
bfd_coff_swap_lineno_in (input_bfd, linp, &lin);
|
(void *) (finfo->linenos + linoff),
|
|
(void *) &lin);
|
|
if (lin.l_lnno != 0
|
|
|| ((bfd_size_type) lin.l_addr.l_symndx
|
|
!= ((esym
|
|
- isymesz
|
|
- ((bfd_byte *)
|
|
obj_coff_external_syms (input_bfd)))
|
|
/ isymesz)))
|
|
aux.x_sym.x_fcnary.x_fcn.x_lnnoptr = 0;
|
|
else
|
|
{
|
|
bfd_byte *linpend, *linp;
|
|
bfd_vma offset;
|
|
bfd_size_type count;
|
|
|
|
lin.l_addr.l_symndx = *indexp;
|
lin.l_addr.l_symndx = *indexp;
|
bfd_coff_swap_lineno_out (output_bfd, (void *) &lin,
|
bfd_coff_swap_lineno_out (output_bfd, &lin, linp);
|
(void *) (finfo->linenos
|
|
+ linoff));
|
|
|
|
linpend = (finfo->linenos
|
/* Copy the other entries, adjusting their addresses. */
|
+ enc_count * linesz);
|
linpend = linp + *lineno_counts * linesz;
|
offset = (o->output_section->vma
|
offset = (o->output_section->vma
|
+ o->output_offset
|
+ o->output_offset
|
- o->vma);
|
- o->vma);
|
for (linp = finfo->linenos + linoff + linesz;
|
for (linp += linesz; linp < linpend; linp += linesz)
|
linp < linpend;
|
|
linp += linesz)
|
|
{
|
{
|
bfd_coff_swap_lineno_in (input_bfd, (void *) linp,
|
bfd_coff_swap_lineno_in (input_bfd, linp, &lin);
|
(void *) &lin);
|
|
if (lin.l_lnno == 0)
|
|
break;
|
|
lin.l_addr.l_paddr += offset;
|
lin.l_addr.l_paddr += offset;
|
bfd_coff_swap_lineno_out (output_bfd,
|
bfd_coff_swap_lineno_out (output_bfd, &lin, linp);
|
(void *) &lin,
|
|
(void *) linp);
|
|
}
|
}
|
|
|
count = (linp - (finfo->linenos + linoff)) / linesz;
|
/* Write out the entries we've just processed. */
|
|
pos = (o->output_section->line_filepos
|
aux.x_sym.x_fcnary.x_fcn.x_lnnoptr =
|
|
(o->output_section->line_filepos
|
|
+ o->output_section->lineno_count * linesz);
|
+ o->output_section->lineno_count * linesz);
|
|
amt = linesz * *lineno_counts;
|
if (bfd_seek (output_bfd,
|
if (bfd_seek (output_bfd, pos, SEEK_SET) != 0
|
aux.x_sym.x_fcnary.x_fcn.x_lnnoptr,
|
|| bfd_bwrite (finfo->linenos + linoff,
|
SEEK_SET) != 0
|
amt, output_bfd) != amt)
|
|| (bfd_bwrite (finfo->linenos + linoff,
|
|
linesz * count, output_bfd)
|
|
!= linesz * count))
|
|
return FALSE;
|
return FALSE;
|
|
o->output_section->lineno_count += *lineno_counts;
|
|
|
o->output_section->lineno_count += count;
|
/* Record the offset of the symbol's line numbers
|
|
in the output file. */
|
|
aux.x_sym.x_fcnary.x_fcn.x_lnnoptr = pos;
|
|
|
if (incls > 0)
|
if (incls > 0)
|
{
|
{
|
struct internal_syment *iisp, *iispend;
|
struct internal_syment *iisp, *iispend;
|
long *iindp;
|
long *iindp;
|
bfd_byte *oos;
|
bfd_byte *oos;
|
|
bfd_vma range_start, range_end;
|
int iiadd;
|
int iiadd;
|
|
|
/* Update any C_BINCL or C_EINCL symbols
|
/* Update any C_BINCL or C_EINCL symbols
|
that refer to a line number in the
|
that refer to a line number in the
|
range we just output. */
|
range we just output. */
|
iisp = finfo->internal_syms;
|
iisp = finfo->internal_syms;
|
iispend = (iisp
|
iispend = iisp + obj_raw_syment_count (input_bfd);
|
+ obj_raw_syment_count (input_bfd));
|
|
iindp = finfo->sym_indices;
|
iindp = finfo->sym_indices;
|
oos = finfo->outsyms;
|
oos = finfo->outsyms;
|
|
range_start = enclosing->line_filepos + linoff;
|
|
range_end = range_start + *lineno_counts * linesz;
|
while (iisp < iispend)
|
while (iisp < iispend)
|
{
|
{
|
if (*iindp >= 0
|
if (*iindp >= 0
|
&& (iisp->n_sclass == C_BINCL
|
&& (iisp->n_sclass == C_BINCL
|
|| iisp->n_sclass == C_EINCL)
|
|| iisp->n_sclass == C_EINCL)
|
&& ((bfd_size_type) iisp->n_value
|
&& iisp->n_value >= range_start
|
>= (bfd_size_type)(enclosing->line_filepos + linoff))
|
&& iisp->n_value < range_end)
|
&& ((bfd_size_type) iisp->n_value
|
|
< (enclosing->line_filepos
|
|
+ enc_count * linesz)))
|
|
{
|
{
|
struct internal_syment iis;
|
struct internal_syment iis;
|
|
|
bfd_coff_swap_sym_in (output_bfd,
|
bfd_coff_swap_sym_in (output_bfd, oos, &iis);
|
(void *) oos,
|
iis.n_value = (iisp->n_value
|
(void *) &iis);
|
- range_start
|
iis.n_value =
|
+ pos);
|
(iisp->n_value
|
|
- enclosing->line_filepos
|
|
- linoff
|
|
+ aux.x_sym.x_fcnary.x_fcn.x_lnnoptr);
|
|
bfd_coff_swap_sym_out (output_bfd,
|
bfd_coff_swap_sym_out (output_bfd,
|
(void *) &iis,
|
&iis, oos);
|
(void *) oos);
|
|
--incls;
|
--incls;
|
}
|
}
|
|
|
iiadd = 1 + iisp->n_numaux;
|
iiadd = 1 + iisp->n_numaux;
|
if (*iindp >= 0)
|
if (*iindp >= 0)
|
| Line 4196... |
Line 4681... |
iindp += iiadd;
|
iindp += iiadd;
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
|
bfd_coff_swap_aux_out (output_bfd, (void *) &aux, isymp->n_type,
|
bfd_coff_swap_aux_out (output_bfd, (void *) &aux, isymp->n_type,
|
isymp->n_sclass, i, isymp->n_numaux,
|
isymp->n_sclass, i, isymp->n_numaux,
|
(void *) outsym);
|
(void *) outsym);
|
outsym += osymesz;
|
outsym += osymesz;
|
esym += isymesz;
|
esym += isymesz;
|
}
|
}
|
}
|
}
|
|
|
|
sym_hash += add;
|
indexp += add;
|
indexp += add;
|
isymp += add;
|
isymp += add;
|
csectpp += add;
|
csectpp += add;
|
|
lineno_counts += add;
|
|
debug_index += add;
|
}
|
}
|
|
|
/* If we swapped out a C_FILE symbol, guess that the next C_FILE
|
/* If we swapped out a C_FILE symbol, guess that the next C_FILE
|
symbol will be the first symbol in the next input file. In the
|
symbol will be the first symbol in the next input file. In the
|
normal case, this will save us from writing out the C_FILE symbol
|
normal case, this will save us from writing out the C_FILE symbol
|
| Line 4310... |
Line 4797... |
rel_hash = (finfo->section_info[target_index].rel_hashes
|
rel_hash = (finfo->section_info[target_index].rel_hashes
|
+ o->output_section->reloc_count);
|
+ o->output_section->reloc_count);
|
for (; irel < irelend; irel++, rel_hash++)
|
for (; irel < irelend; irel++, rel_hash++)
|
{
|
{
|
struct xcoff_link_hash_entry *h = NULL;
|
struct xcoff_link_hash_entry *h = NULL;
|
struct internal_ldrel ldrel;
|
|
bfd_boolean quiet;
|
|
|
|
*rel_hash = NULL;
|
*rel_hash = NULL;
|
|
|
/* Adjust the reloc address and symbol index. */
|
/* Adjust the reloc address and symbol index. */
|
|
|
| Line 4444... |
Line 4929... |
return FALSE;
|
return FALSE;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
quiet = FALSE;
|
if (xcoff_need_ldrel_p (finfo->info, irel, h))
|
switch (irel->r_type)
|
|
{
|
|
default:
|
|
if (h == NULL
|
|
|| h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak
|
|
|| h->root.type == bfd_link_hash_common)
|
|
break;
|
|
/* Fall through. */
|
|
case R_POS:
|
|
case R_NEG:
|
|
case R_RL:
|
|
case R_RLA:
|
|
/* This reloc needs to be copied into the .loader
|
|
section. */
|
|
ldrel.l_vaddr = irel->r_vaddr;
|
|
if (r_symndx == -1)
|
|
ldrel.l_symndx = -(bfd_size_type ) 1;
|
|
else if (h == NULL
|
|
|| (h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak
|
|
|| h->root.type == bfd_link_hash_common))
|
|
{
|
{
|
asection *sec;
|
asection *sec;
|
|
|
if (h == NULL)
|
if (r_symndx == -1)
|
|
sec = NULL;
|
|
else if (h == NULL)
|
sec = xcoff_data (input_bfd)->csects[r_symndx];
|
sec = xcoff_data (input_bfd)->csects[r_symndx];
|
else if (h->root.type == bfd_link_hash_common)
|
|
sec = h->root.u.c.p->section;
|
|
else
|
|
sec = h->root.u.def.section;
|
|
sec = sec->output_section;
|
|
|
|
if (strcmp (sec->name, ".text") == 0)
|
|
ldrel.l_symndx = 0;
|
|
else if (strcmp (sec->name, ".data") == 0)
|
|
ldrel.l_symndx = 1;
|
|
else if (strcmp (sec->name, ".bss") == 0)
|
|
ldrel.l_symndx = 2;
|
|
else
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("%B: loader reloc in unrecognized section `%A'"),
|
|
input_bfd, sec);
|
|
bfd_set_error (bfd_error_nonrepresentable_section);
|
|
return FALSE;
|
|
}
|
|
}
|
|
else
|
else
|
{
|
sec = xcoff_symbol_section (h);
|
if (! finfo->info->relocatable
|
if (!xcoff_create_ldrel (output_bfd, finfo,
|
&& (h->flags & XCOFF_DEF_DYNAMIC) == 0
|
o->output_section, input_bfd,
|
&& (h->flags & XCOFF_IMPORT) == 0)
|
irel, sec, h))
|
{
|
|
/* We already called the undefined_symbol
|
|
callback for this relocation, in
|
|
_bfd_ppc_xcoff_relocate_section. Don't
|
|
issue any more warnings. */
|
|
quiet = TRUE;
|
|
}
|
|
if (h->ldindx < 0 && ! quiet)
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("%B: `%s' in loader reloc but not loader sym"),
|
|
input_bfd,
|
|
h->root.root.string);
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return FALSE;
|
|
}
|
|
ldrel.l_symndx = h->ldindx;
|
|
}
|
|
ldrel.l_rtype = (irel->r_size << 8) | irel->r_type;
|
|
ldrel.l_rsecnm = o->output_section->target_index;
|
|
if (xcoff_hash_table (finfo->info)->textro
|
|
&& strcmp (o->output_section->name, ".text") == 0
|
|
&& ! quiet)
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("%B: loader reloc in read-only section %A"),
|
|
input_bfd, o->output_section);
|
|
bfd_set_error (bfd_error_invalid_operation);
|
|
return FALSE;
|
return FALSE;
|
}
|
}
|
bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel,
|
|
finfo->ldrel);
|
|
|
|
finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd);
|
|
break;
|
|
|
|
case R_TOC:
|
|
case R_GL:
|
|
case R_TCL:
|
|
case R_TRL:
|
|
case R_TRLA:
|
|
/* We should never need a .loader reloc for a TOC
|
|
relative reloc. */
|
|
break;
|
|
}
|
|
}
|
}
|
|
|
o->output_section->reloc_count += o->reloc_count;
|
o->output_section->reloc_count += o->reloc_count;
|
}
|
}
|
|
|
| Line 4585... |
Line 4986... |
return -1;
|
return -1;
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
|
/* Return true if section SEC is a TOC section. */
|
|
|
|
static inline bfd_boolean
|
|
xcoff_toc_section_p (asection *sec)
|
|
{
|
|
const char *name;
|
|
|
|
name = sec->name;
|
|
if (name[0] == '.' && name[1] == 't')
|
|
{
|
|
if (name[2] == 'c')
|
|
{
|
|
if (name[3] == '0' && name[4] == 0)
|
|
return TRUE;
|
|
if (name[3] == 0)
|
|
return TRUE;
|
|
}
|
|
if (name[2] == 'd' && name[3] == 0)
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/* See if the link requires a TOC (it usually does!). If so, find a
|
|
good place to put the TOC anchor csect, and write out the associated
|
|
symbol. */
|
|
|
|
static bfd_boolean
|
|
xcoff_find_tc0 (bfd *output_bfd, struct xcoff_final_link_info *finfo)
|
|
{
|
|
bfd_vma toc_start, toc_end, start, end, best_address;
|
|
asection *sec;
|
|
bfd *input_bfd;
|
|
int section_index;
|
|
struct internal_syment irsym;
|
|
union internal_auxent iraux;
|
|
file_ptr pos;
|
|
size_t size;
|
|
|
|
/* Set [TOC_START, TOC_END) to the range of the TOC. Record the
|
|
index of a csect at the beginning of the TOC. */
|
|
toc_start = ~(bfd_vma) 0;
|
|
toc_end = 0;
|
|
section_index = -1;
|
|
for (input_bfd = finfo->info->input_bfds;
|
|
input_bfd != NULL;
|
|
input_bfd = input_bfd->link_next)
|
|
for (sec = input_bfd->sections; sec != NULL; sec = sec->next)
|
|
if ((sec->flags & SEC_MARK) != 0 && xcoff_toc_section_p (sec))
|
|
{
|
|
start = sec->output_section->vma + sec->output_offset;
|
|
if (toc_start > start)
|
|
{
|
|
toc_start = start;
|
|
section_index = sec->output_section->target_index;
|
|
}
|
|
|
|
end = start + sec->size;
|
|
if (toc_end < end)
|
|
toc_end = end;
|
|
}
|
|
|
|
/* There's no need for a TC0 symbol if we don't have a TOC. */
|
|
if (toc_end < toc_start)
|
|
{
|
|
xcoff_data (output_bfd)->toc = toc_start;
|
|
return TRUE;
|
|
}
|
|
|
|
if (toc_end - toc_start < 0x8000)
|
|
/* Every TOC csect can be accessed from TOC_START. */
|
|
best_address = toc_start;
|
|
else
|
|
{
|
|
/* Find the lowest TOC csect that is still within range of TOC_END. */
|
|
best_address = toc_end;
|
|
for (input_bfd = finfo->info->input_bfds;
|
|
input_bfd != NULL;
|
|
input_bfd = input_bfd->link_next)
|
|
for (sec = input_bfd->sections; sec != NULL; sec = sec->next)
|
|
if ((sec->flags & SEC_MARK) != 0 && xcoff_toc_section_p (sec))
|
|
{
|
|
start = sec->output_section->vma + sec->output_offset;
|
|
if (start < best_address
|
|
&& start + 0x8000 >= toc_end)
|
|
{
|
|
best_address = start;
|
|
section_index = sec->output_section->target_index;
|
|
}
|
|
}
|
|
|
|
/* Make sure that the start of the TOC is also within range. */
|
|
if (best_address > toc_start + 0x8000)
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("TOC overflow: 0x%lx > 0x10000; try -mminimal-toc "
|
|
"when compiling"),
|
|
(unsigned long) (toc_end - toc_start));
|
|
bfd_set_error (bfd_error_file_too_big);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/* Record the chosen TOC value. */
|
|
finfo->toc_symindx = obj_raw_syment_count (output_bfd);
|
|
xcoff_data (output_bfd)->toc = best_address;
|
|
xcoff_data (output_bfd)->sntoc = section_index;
|
|
|
|
/* Fill out the TC0 symbol. */
|
|
if (!bfd_xcoff_put_symbol_name (output_bfd, finfo->strtab, &irsym, "TOC"))
|
|
return FALSE;
|
|
irsym.n_value = best_address;
|
|
irsym.n_scnum = section_index;
|
|
irsym.n_sclass = C_HIDEXT;
|
|
irsym.n_type = T_NULL;
|
|
irsym.n_numaux = 1;
|
|
bfd_coff_swap_sym_out (output_bfd, &irsym, finfo->outsyms);
|
|
|
|
/* Fill out the auxillary csect information. */
|
|
memset (&iraux, 0, sizeof iraux);
|
|
iraux.x_csect.x_smtyp = XTY_SD;
|
|
iraux.x_csect.x_smclas = XMC_TC0;
|
|
iraux.x_csect.x_scnlen.l = 0;
|
|
bfd_coff_swap_aux_out (output_bfd, &iraux, T_NULL, C_HIDEXT, 0, 1,
|
|
finfo->outsyms + bfd_coff_symesz (output_bfd));
|
|
|
|
/* Write the contents to the file. */
|
|
pos = obj_sym_filepos (output_bfd);
|
|
pos += obj_raw_syment_count (output_bfd) * bfd_coff_symesz (output_bfd);
|
|
size = 2 * bfd_coff_symesz (output_bfd);
|
|
if (bfd_seek (output_bfd, pos, SEEK_SET) != 0
|
|
|| bfd_bwrite (finfo->outsyms, size, output_bfd) != size)
|
|
return FALSE;
|
|
obj_raw_syment_count (output_bfd) += 2;
|
|
|
|
return TRUE;
|
|
}
|
|
|
/* Write out a non-XCOFF global symbol. */
|
/* Write out a non-XCOFF global symbol. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
xcoff_write_global_symbol (struct xcoff_link_hash_entry *h, void * inf)
|
xcoff_write_global_symbol (struct xcoff_link_hash_entry *h, void * inf)
|
{
|
{
|
| Line 4760... |
Line 5299... |
{
|
{
|
asection *tocsec;
|
asection *tocsec;
|
asection *osec;
|
asection *osec;
|
int oindx;
|
int oindx;
|
struct internal_reloc *irel;
|
struct internal_reloc *irel;
|
struct internal_ldrel ldrel;
|
|
struct internal_syment irsym;
|
struct internal_syment irsym;
|
union internal_auxent iraux;
|
union internal_auxent iraux;
|
|
|
tocsec = h->toc_section;
|
tocsec = h->toc_section;
|
osec = tocsec->output_section;
|
osec = tocsec->output_section;
|
| Line 4813... |
Line 5351... |
|
|
irel->r_type = R_POS;
|
irel->r_type = R_POS;
|
finfo->section_info[oindx].rel_hashes[osec->reloc_count] = NULL;
|
finfo->section_info[oindx].rel_hashes[osec->reloc_count] = NULL;
|
++osec->reloc_count;
|
++osec->reloc_count;
|
|
|
ldrel.l_vaddr = irel->r_vaddr;
|
if (!xcoff_create_ldrel (output_bfd, finfo, osec,
|
ldrel.l_symndx = h->ldindx;
|
output_bfd, irel, NULL, h))
|
ldrel.l_rtype = (irel->r_size << 8) | R_POS;
|
return FALSE;
|
ldrel.l_rsecnm = oindx;
|
|
bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel, finfo->ldrel);
|
|
finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd);
|
|
|
|
/* We need to emit a symbol to define a csect which holds
|
/* We need to emit a symbol to define a csect which holds
|
the reloc. */
|
the reloc. */
|
if (finfo->info->strip != strip_all)
|
if (finfo->info->strip != strip_all)
|
{
|
{
|
| Line 4884... |
Line 5419... |
int oindx;
|
int oindx;
|
bfd_byte *p;
|
bfd_byte *p;
|
struct xcoff_link_hash_entry *hentry;
|
struct xcoff_link_hash_entry *hentry;
|
asection *esec;
|
asection *esec;
|
struct internal_reloc *irel;
|
struct internal_reloc *irel;
|
struct internal_ldrel ldrel;
|
|
asection *tsec;
|
asection *tsec;
|
unsigned int reloc_size, byte_size;
|
unsigned int reloc_size, byte_size;
|
|
|
if (bfd_xcoff_is_xcoff64 (output_bfd))
|
if (bfd_xcoff_is_xcoff64 (output_bfd))
|
{
|
{
|
| Line 4922... |
Line 5456... |
irel->r_type = R_POS;
|
irel->r_type = R_POS;
|
irel->r_size = reloc_size;
|
irel->r_size = reloc_size;
|
finfo->section_info[oindx].rel_hashes[osec->reloc_count] = NULL;
|
finfo->section_info[oindx].rel_hashes[osec->reloc_count] = NULL;
|
++osec->reloc_count;
|
++osec->reloc_count;
|
|
|
ldrel.l_vaddr = irel->r_vaddr;
|
if (!xcoff_create_ldrel (output_bfd, finfo, osec,
|
if (strcmp (esec->output_section->name, ".text") == 0)
|
output_bfd, irel, esec, NULL))
|
ldrel.l_symndx = 0;
|
|
else if (strcmp (esec->output_section->name, ".data") == 0)
|
|
ldrel.l_symndx = 1;
|
|
else if (strcmp (esec->output_section->name, ".bss") == 0)
|
|
ldrel.l_symndx = 2;
|
|
else
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("%s: loader reloc in unrecognized section `%s'"),
|
|
bfd_get_filename (output_bfd),
|
|
esec->output_section->name);
|
|
bfd_set_error (bfd_error_nonrepresentable_section);
|
|
return FALSE;
|
return FALSE;
|
}
|
|
ldrel.l_rtype = (reloc_size << 8) | R_POS;
|
|
ldrel.l_rsecnm = oindx;
|
|
bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel, finfo->ldrel);
|
|
finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd);
|
|
|
|
/* There are three items to write out,
|
/* There are three items to write out,
|
the address of the code
|
the address of the code
|
the address of the toc anchor
|
the address of the toc anchor
|
the environment pointer.
|
the environment pointer.
|
| Line 4984... |
Line 5501... |
irel->r_type = R_POS;
|
irel->r_type = R_POS;
|
irel->r_size = reloc_size;
|
irel->r_size = reloc_size;
|
finfo->section_info[oindx].rel_hashes[osec->reloc_count] = NULL;
|
finfo->section_info[oindx].rel_hashes[osec->reloc_count] = NULL;
|
++osec->reloc_count;
|
++osec->reloc_count;
|
|
|
ldrel.l_vaddr = irel->r_vaddr;
|
if (!xcoff_create_ldrel (output_bfd, finfo, osec,
|
if (strcmp (tsec->output_section->name, ".text") == 0)
|
output_bfd, irel, tsec, NULL))
|
ldrel.l_symndx = 0;
|
|
else if (strcmp (tsec->output_section->name, ".data") == 0)
|
|
ldrel.l_symndx = 1;
|
|
else if (strcmp (tsec->output_section->name, ".bss") == 0)
|
|
ldrel.l_symndx = 2;
|
|
else
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("%s: loader reloc in unrecognized section `%s'"),
|
|
bfd_get_filename (output_bfd),
|
|
tsec->output_section->name);
|
|
bfd_set_error (bfd_error_nonrepresentable_section);
|
|
return FALSE;
|
return FALSE;
|
}
|
}
|
ldrel.l_rtype = (reloc_size << 8) | R_POS;
|
|
ldrel.l_rsecnm = oindx;
|
|
bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel, finfo->ldrel);
|
|
finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd);
|
|
}
|
|
|
|
if (h->indx >= 0 || finfo->info->strip == strip_all)
|
if (h->indx >= 0 || finfo->info->strip == strip_all)
|
{
|
{
|
BFD_ASSERT (outsym == finfo->outsyms);
|
BFD_ASSERT (outsym == finfo->outsyms);
|
return TRUE;
|
return TRUE;
|
| Line 5043... |
Line 5543... |
if (h->root.type == bfd_link_hash_undefined
|
if (h->root.type == bfd_link_hash_undefined
|
|| h->root.type == bfd_link_hash_undefweak)
|
|| h->root.type == bfd_link_hash_undefweak)
|
{
|
{
|
isym.n_value = 0;
|
isym.n_value = 0;
|
isym.n_scnum = N_UNDEF;
|
isym.n_scnum = N_UNDEF;
|
|
if (h->root.type == bfd_link_hash_undefweak
|
|
&& C_WEAKEXT == C_AIX_WEAKEXT)
|
|
isym.n_sclass = C_WEAKEXT;
|
|
else
|
isym.n_sclass = C_EXT;
|
isym.n_sclass = C_EXT;
|
aux.x_csect.x_smtyp = XTY_ER;
|
aux.x_csect.x_smtyp = XTY_ER;
|
}
|
}
|
else if ((h->root.type == bfd_link_hash_defined
|
else if ((h->root.type == bfd_link_hash_defined
|
|| h->root.type == bfd_link_hash_defweak)
|
|| h->root.type == bfd_link_hash_defweak)
|
&& h->smclas == XMC_XO)
|
&& h->smclas == XMC_XO)
|
{
|
{
|
BFD_ASSERT (bfd_is_abs_section (h->root.u.def.section));
|
BFD_ASSERT (bfd_is_abs_section (h->root.u.def.section));
|
isym.n_value = h->root.u.def.value;
|
isym.n_value = h->root.u.def.value;
|
isym.n_scnum = N_UNDEF;
|
isym.n_scnum = N_UNDEF;
|
|
if (h->root.type == bfd_link_hash_undefweak
|
|
&& C_WEAKEXT == C_AIX_WEAKEXT)
|
|
isym.n_sclass = C_WEAKEXT;
|
|
else
|
isym.n_sclass = C_EXT;
|
isym.n_sclass = C_EXT;
|
aux.x_csect.x_smtyp = XTY_ER;
|
aux.x_csect.x_smtyp = XTY_ER;
|
}
|
}
|
else if (h->root.type == bfd_link_hash_defined
|
else if (h->root.type == bfd_link_hash_defined
|
|| h->root.type == bfd_link_hash_defweak)
|
|| h->root.type == bfd_link_hash_defweak)
|
| Line 5115... |
Line 5623... |
&& h->smclas != XMC_XO)
|
&& h->smclas != XMC_XO)
|
{
|
{
|
/* We just output an SD symbol. Now output an LD symbol. */
|
/* We just output an SD symbol. Now output an LD symbol. */
|
h->indx += 2;
|
h->indx += 2;
|
|
|
|
if (h->root.type == bfd_link_hash_undefweak
|
|
&& C_WEAKEXT == C_AIX_WEAKEXT)
|
|
isym.n_sclass = C_WEAKEXT;
|
|
else
|
isym.n_sclass = C_EXT;
|
isym.n_sclass = C_EXT;
|
bfd_coff_swap_sym_out (output_bfd, (void *) &isym, (void *) outsym);
|
bfd_coff_swap_sym_out (output_bfd, (void *) &isym, (void *) outsym);
|
outsym += bfd_coff_symesz (output_bfd);
|
outsym += bfd_coff_symesz (output_bfd);
|
|
|
aux.x_csect.x_smtyp = XTY_LD;
|
aux.x_csect.x_smtyp = XTY_LD;
|
| Line 5153... |
Line 5665... |
asection *hsec;
|
asection *hsec;
|
bfd_vma hval;
|
bfd_vma hval;
|
bfd_vma addend;
|
bfd_vma addend;
|
struct internal_reloc *irel;
|
struct internal_reloc *irel;
|
struct xcoff_link_hash_entry **rel_hash_ptr;
|
struct xcoff_link_hash_entry **rel_hash_ptr;
|
struct internal_ldrel ldrel;
|
|
|
|
if (link_order->type == bfd_section_reloc_link_order)
|
if (link_order->type == bfd_section_reloc_link_order)
|
/* We need to somehow locate a symbol in the right section. The
|
/* We need to somehow locate a symbol in the right section. The
|
symbol must either have a value of zero, or we must adjust
|
symbol must either have a value of zero, or we must adjust
|
the addend by the value of the symbol. FIXME: Write this
|
the addend by the value of the symbol. FIXME: Write this
|
| Line 5181... |
Line 5692... |
(finfo->info, link_order->u.reloc.p->u.name, NULL, NULL, (bfd_vma) 0)))
|
(finfo->info, link_order->u.reloc.p->u.name, NULL, NULL, (bfd_vma) 0)))
|
return FALSE;
|
return FALSE;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
if (h->root.type == bfd_link_hash_common)
|
hsec = xcoff_symbol_section (h);
|
{
|
if (h->root.type == bfd_link_hash_defined
|
hsec = h->root.u.c.p->section;
|
|
hval = 0;
|
|
}
|
|
else if (h->root.type == bfd_link_hash_defined
|
|
|| h->root.type == bfd_link_hash_defweak)
|
|| h->root.type == bfd_link_hash_defweak)
|
{
|
|
hsec = h->root.u.def.section;
|
|
hval = h->root.u.def.value;
|
hval = h->root.u.def.value;
|
}
|
|
else
|
else
|
{
|
|
hsec = NULL;
|
|
hval = 0;
|
hval = 0;
|
}
|
|
|
|
addend = link_order->u.reloc.p->addend;
|
addend = link_order->u.reloc.p->addend;
|
if (hsec != NULL)
|
if (hsec != NULL)
|
addend += (hsec->output_section->vma
|
addend += (hsec->output_section->vma
|
+ hsec->output_offset
|
+ hsec->output_offset
|
| Line 5271... |
Line 5772... |
irel->r_size |= 0x80;
|
irel->r_size |= 0x80;
|
|
|
++output_section->reloc_count;
|
++output_section->reloc_count;
|
|
|
/* Now output the reloc to the .loader section. */
|
/* Now output the reloc to the .loader section. */
|
|
if (xcoff_hash_table (finfo->info)->loader_section)
|
ldrel.l_vaddr = irel->r_vaddr;
|
|
|
|
if (hsec != NULL)
|
|
{
|
|
const char *secname;
|
|
|
|
secname = hsec->output_section->name;
|
|
|
|
if (strcmp (secname, ".text") == 0)
|
|
ldrel.l_symndx = 0;
|
|
else if (strcmp (secname, ".data") == 0)
|
|
ldrel.l_symndx = 1;
|
|
else if (strcmp (secname, ".bss") == 0)
|
|
ldrel.l_symndx = 2;
|
|
else
|
|
{
|
{
|
(*_bfd_error_handler)
|
if (!xcoff_create_ldrel (output_bfd, finfo, output_section,
|
(_("%s: loader reloc in unrecognized section `%s'"),
|
output_bfd, irel, hsec, h))
|
bfd_get_filename (output_bfd), secname);
|
|
bfd_set_error (bfd_error_nonrepresentable_section);
|
|
return FALSE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (h->ldindx < 0)
|
|
{
|
|
(*_bfd_error_handler)
|
|
(_("%s: `%s' in loader reloc but not loader sym"),
|
|
bfd_get_filename (output_bfd),
|
|
h->root.root.string);
|
|
bfd_set_error (bfd_error_bad_value);
|
|
return FALSE;
|
return FALSE;
|
}
|
}
|
ldrel.l_symndx = h->ldindx;
|
|
}
|
|
|
|
ldrel.l_rtype = (irel->r_size << 8) | irel->r_type;
|
|
ldrel.l_rsecnm = output_section->target_index;
|
|
bfd_xcoff_swap_ldrel_out (output_bfd, &ldrel, finfo->ldrel);
|
|
finfo->ldrel += bfd_xcoff_ldrelsz(output_bfd);
|
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Do the final link step. */
|
/* Do the final link step. */
|
| Line 5359... |
Line 5824... |
finfo.outsyms = NULL;
|
finfo.outsyms = NULL;
|
finfo.linenos = NULL;
|
finfo.linenos = NULL;
|
finfo.contents = NULL;
|
finfo.contents = NULL;
|
finfo.external_relocs = NULL;
|
finfo.external_relocs = NULL;
|
|
|
|
if (xcoff_hash_table (info)->loader_section)
|
|
{
|
finfo.ldsym = (xcoff_hash_table (info)->loader_section->contents
|
finfo.ldsym = (xcoff_hash_table (info)->loader_section->contents
|
+ bfd_xcoff_ldhdrsz (abfd));
|
+ bfd_xcoff_ldhdrsz (abfd));
|
finfo.ldrel = (xcoff_hash_table (info)->loader_section->contents
|
finfo.ldrel = (xcoff_hash_table (info)->loader_section->contents
|
+ bfd_xcoff_ldhdrsz(abfd)
|
+ bfd_xcoff_ldhdrsz(abfd)
|
+ (xcoff_hash_table (info)->ldhdr.l_nsyms
|
+ (xcoff_hash_table (info)->ldhdr.l_nsyms
|
* bfd_xcoff_ldsymsz(abfd)));
|
* bfd_xcoff_ldsymsz(abfd)));
|
|
}
|
|
else
|
|
{
|
|
finfo.ldsym = NULL;
|
|
finfo.ldrel = NULL;
|
|
}
|
|
|
xcoff_data (abfd)->coff.link_info = info;
|
xcoff_data (abfd)->coff.link_info = info;
|
|
|
finfo.strtab = _bfd_stringtab_init ();
|
finfo.strtab = _bfd_stringtab_init ();
|
if (finfo.strtab == NULL)
|
if (finfo.strtab == NULL)
|
goto error_return;
|
goto error_return;
|
|
|
/* Count the line number and relocation entries required for the
|
/* Count the relocation entries required for the output file.
|
output file. Determine a few maximum sizes. */
|
(We've already counted the line numbers.) Determine a few
|
|
maximum sizes. */
|
max_contents_size = 0;
|
max_contents_size = 0;
|
max_lineno_count = 0;
|
max_lineno_count = 0;
|
max_reloc_count = 0;
|
max_reloc_count = 0;
|
for (o = abfd->sections; o != NULL; o = o->next)
|
for (o = abfd->sections; o != NULL; o = o->next)
|
{
|
{
|
o->reloc_count = 0;
|
o->reloc_count = 0;
|
o->lineno_count = 0;
|
|
for (p = o->map_head.link_order; p != NULL; p = p->next)
|
for (p = o->map_head.link_order; p != NULL; p = p->next)
|
{
|
{
|
if (p->type == bfd_indirect_link_order)
|
if (p->type == bfd_indirect_link_order)
|
{
|
{
|
asection *sec;
|
asection *sec;
|
| Line 5395... |
Line 5868... |
link. This will normally be every section. We need
|
link. This will normally be every section. We need
|
to do this so that we can identify any sections which
|
to do this so that we can identify any sections which
|
the linker has decided to not include. */
|
the linker has decided to not include. */
|
sec->linker_mark = TRUE;
|
sec->linker_mark = TRUE;
|
|
|
if (info->strip == strip_none
|
|
|| info->strip == strip_some)
|
|
o->lineno_count += sec->lineno_count;
|
|
|
|
o->reloc_count += sec->reloc_count;
|
o->reloc_count += sec->reloc_count;
|
|
|
if (sec->rawsize > max_contents_size)
|
if (sec->rawsize > max_contents_size)
|
max_contents_size = sec->rawsize;
|
max_contents_size = sec->rawsize;
|
if (sec->size > max_contents_size)
|
if (sec->size > max_contents_size)
|
max_contents_size = sec->size;
|
max_contents_size = sec->size;
|
if (sec->lineno_count > max_lineno_count)
|
|
max_lineno_count = sec->lineno_count;
|
|
if (coff_section_data (sec->owner, sec) != NULL
|
if (coff_section_data (sec->owner, sec) != NULL
|
&& xcoff_section_data (sec->owner, sec) != NULL
|
&& xcoff_section_data (sec->owner, sec) != NULL
|
&& (xcoff_section_data (sec->owner, sec)->lineno_count
|
&& (xcoff_section_data (sec->owner, sec)->lineno_count
|
> max_lineno_count))
|
> max_lineno_count))
|
max_lineno_count =
|
max_lineno_count =
|
| Line 5661... |
Line 6128... |
|| (finfo.contents == NULL && max_contents_size > 0)
|
|| (finfo.contents == NULL && max_contents_size > 0)
|
|| (finfo.external_relocs == NULL && max_reloc_count > 0))
|
|| (finfo.external_relocs == NULL && max_reloc_count > 0))
|
goto error_return;
|
goto error_return;
|
|
|
obj_raw_syment_count (abfd) = 0;
|
obj_raw_syment_count (abfd) = 0;
|
xcoff_data (abfd)->toc = (bfd_vma) -1;
|
|
|
/* Find a TOC symbol, if we need one. */
|
|
if (!xcoff_find_tc0 (abfd, &finfo))
|
|
goto error_return;
|
|
|
/* We now know the position of everything in the file, except that
|
/* We now know the position of everything in the file, except that
|
we don't know the size of the symbol table and therefore we don't
|
we don't know the size of the symbol table and therefore we don't
|
know where the string table starts. We just build the string
|
know where the string table starts. We just build the string
|
table in memory as we go along. We process all the relocations
|
table in memory as we go along. We process all the relocations
|
| Line 5854... |
Line 6324... |
free (finfo.section_info);
|
free (finfo.section_info);
|
finfo.section_info = NULL;
|
finfo.section_info = NULL;
|
}
|
}
|
|
|
/* Write out the loader section contents. */
|
/* Write out the loader section contents. */
|
|
o = xcoff_hash_table (info)->loader_section;
|
|
if (o)
|
|
{
|
BFD_ASSERT ((bfd_byte *) finfo.ldrel
|
BFD_ASSERT ((bfd_byte *) finfo.ldrel
|
== (xcoff_hash_table (info)->loader_section->contents
|
== (xcoff_hash_table (info)->loader_section->contents
|
+ xcoff_hash_table (info)->ldhdr.l_impoff));
|
+ xcoff_hash_table (info)->ldhdr.l_impoff));
|
o = xcoff_hash_table (info)->loader_section;
|
|
if (! bfd_set_section_contents (abfd, o->output_section, o->contents,
|
if (! bfd_set_section_contents (abfd, o->output_section, o->contents,
|
(file_ptr) o->output_offset, o->size))
|
(file_ptr) o->output_offset, o->size))
|
goto error_return;
|
goto error_return;
|
|
}
|
|
|
/* Write out the magic sections. */
|
/* Write out the magic sections. */
|
o = xcoff_hash_table (info)->linkage_section;
|
o = xcoff_hash_table (info)->linkage_section;
|
if (o->size > 0
|
if (o->size > 0
|
&& ! bfd_set_section_contents (abfd, o->output_section, o->contents,
|
&& ! bfd_set_section_contents (abfd, o->output_section, o->contents,
|
