# This shell script emits a C file. -*- C -*-
# It does some substitutions.
+test -z "${ENTRY}" && ENTRY="_mainCRTStartup"
if [ -z "$MACHINE" ]; then
OUTPUT_ARCH=${ARCH}
else
rm -f e${EMULATION_NAME}.c
(echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
cat >>e${EMULATION_NAME}.c <<EOF
-/* This file is part of GLD, the Gnu Linker.
- Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+/* Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2005, 2006, 2007 Free Software Foundation, Inc.
+
+ This file is part of the GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
/* For WINDOWS_NT */
/* The original file generated returned different default scripts depending
#define TARGET_IS_${EMULATION_NAME}
/* Do this before including bfd.h, so we prototype the right functions. */
-#ifdef TARGET_IS_arm_epoc_pe
-#define bfd_arm_pe_allocate_interworking_sections \
- bfd_arm_epoc_pe_allocate_interworking_sections
-#define bfd_arm_pe_get_bfd_for_interworking \
- bfd_arm_epoc_pe_get_bfd_for_interworking
-#define bfd_arm_pe_process_before_allocation \
- bfd_arm_epoc_pe_process_before_allocation
-#endif
-#include "bfd.h"
+#if defined(TARGET_IS_armpe) \
+ || defined(TARGET_IS_arm_epoc_pe) \
+ || defined(TARGET_IS_arm_wince_pe)
+#define bfd_arm_allocate_interworking_sections \
+ bfd_${EMULATION_NAME}_allocate_interworking_sections
+#define bfd_arm_get_bfd_for_interworking \
+ bfd_${EMULATION_NAME}_get_bfd_for_interworking
+#define bfd_arm_process_before_allocation \
+ bfd_${EMULATION_NAME}_process_before_allocation
+#endif
+
#include "sysdep.h"
+#include "bfd.h"
#include "bfdlink.h"
#include "getopt.h"
#include "libiberty.h"
#include "ldctor.h"
#include "coff/internal.h"
+/* FIXME: See bfd/peXXigen.c for why we include an architecture specific
+ header in generic PE code. */
+#include "coff/i386.h"
+#include "coff/pe.h"
+
/* FIXME: This is a BFD internal header file, and we should not be
using it here. */
#include "../bfd/libcoff.h"
#define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT}
#endif
-#if defined(TARGET_IS_i386pe)
-#define DLL_SUPPORT
-#endif
-#if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe) || defined(TARGET_IS_armpe)
+#if defined(TARGET_IS_i386pe) \
+ || defined(TARGET_IS_shpe) \
+ || defined(TARGET_IS_mipspe) \
+ || defined(TARGET_IS_armpe) \
+ || defined(TARGET_IS_arm_epoc_pe) \
+ || defined(TARGET_IS_arm_wince_pe)
#define DLL_SUPPORT
#endif
#undef PE_DEF_SECTION_ALIGNMENT
#undef PE_DEF_FILE_ALIGNMENT
#define NT_EXE_IMAGE_BASE 0x00010000
-#ifdef TARGET_IS_armpe
+
+#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
#define PE_DEF_SECTION_ALIGNMENT 0x00001000
#define PE_DEF_SUBSYSTEM 9
#else
#define PE_DEF_FILE_ALIGNMENT 0x00000200
#endif
+#define U(S) ${INITIAL_SYMBOL_CHAR} S
static struct internal_extra_pe_aouthdr pe;
static int dll;
+static flagword real_flags = 0;
static int support_old_code = 0;
static char * thumb_entry_symbol = NULL;
static lang_assignment_statement_type *image_base_statement = 0;
static void
gld_${EMULATION_NAME}_before_parse (void)
{
- const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}");
- if (arch)
- {
- ldfile_output_architecture = arch->arch;
- ldfile_output_machine = arch->mach;
- ldfile_output_machine_name = arch->printable_name;
- }
- else
- ldfile_output_architecture = bfd_arch_${ARCH};
+ ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
output_filename = "${EXECUTABLE_NAME:-a.exe}";
#ifdef DLL_SUPPORT
config.dynamic_link = TRUE;
config.has_shared = 1;
link_info.pei386_auto_import = -1;
- link_info.pei386_runtime_pseudo_reloc = FALSE;
+ link_info.pei386_runtime_pseudo_reloc = -1;
#if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
-#if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
- lang_add_entry ("WinMainCRTStartup", FALSE);
+#if defined TARGET_IS_mipspe || defined TARGET_IS_armpe || defined TARGET_IS_arm_wince_pe
+ lang_default_entry ("WinMainCRTStartup");
#else
- lang_add_entry ("_WinMainCRTStartup", FALSE);
+ lang_default_entry ("_WinMainCRTStartup");
#endif
+#else
+ lang_default_entry ("${ENTRY}");
#endif
#endif
}
(OPTION_EXCLUDE_LIBS + 1)
#define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \
(OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
+#define OPTION_LARGE_ADDRESS_AWARE \
+ (OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
static void
gld${EMULATION_NAME}_add_options
{"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
{"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
#endif
+ {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
{NULL, no_argument, NULL, 0}
};
D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
D(MajorImageVersion,"__major_image_version__", 1),
D(MinorImageVersion,"__minor_image_version__", 0),
-#ifdef TARGET_IS_armpe
- D(MajorSubsystemVersion,"__major_subsystem_version__", 2),
+#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
+ D(MajorSubsystemVersion,"__major_subsystem_version__", 3),
#else
D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
#endif
fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\
or linking to DLLs (esp. auto-import)\n"));
#endif
+ fprintf (file, _(" --large-address-aware Executable supports virtual addresses\n\
+ greater than 2 gigabytes\n"));
}
set_pe_subsystem (void)
{
const char *sver;
+ const char *entry;
+ const char *initial_symbol_char;
+ char *end;
int len;
int i;
+ int subsystem;
+ unsigned long temp_subsystem;
static const struct
{
const char *name;
}
v[] =
{
- { "native", 1, "NtProcessStartup" },
-#if defined TARGET_IS_mipspe || defined TARGET_IS_armpe
+ { "native", 1, "NtProcessStartup" },
{ "windows", 2, "WinMainCRTStartup" },
-#else
- { "windows", 2, "WinMainCRTStartup" },
-#endif
{ "console", 3, "mainCRTStartup" },
-#if 0
- /* The Microsoft linker does not recognize this. */
- { "os2", 5, "" },
-#endif
- { "posix", 7, "__PosixProcessStartup"},
- { "wince", 9, "_WinMainCRTStartup" },
- { 0, 0, 0 }
+ { "posix", 7, "__PosixProcessStartup"},
+ { "wince", 9, "WinMainCRTStartup" },
+ { "xbox", 14, "mainCRTStartup" },
+ { NULL, 0, NULL }
};
+ /* Entry point name for arbitrary subsystem numbers. */
+ static const char default_entry[] = "mainCRTStartup";
+ /* Check for the presence of a version number. */
sver = strchr (optarg, ':');
if (sver == NULL)
len = strlen (optarg);
else
{
- char *end;
-
len = sver - optarg;
set_pe_name ("__major_subsystem_version__",
strtoul (sver + 1, &end, 0));
einfo (_("%P: warning: bad version number in -subsystem option\n"));
}
- for (i = 0; v[i].name; i++)
+ /* Check for numeric subsystem. */
+ temp_subsystem = strtoul (optarg, & end, 0);
+ if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
{
- if (strncmp (optarg, v[i].name, len) == 0
- && v[i].name[len] == '\0')
- {
- const char *initial_symbol_char;
- const char *entry;
-
- set_pe_name ("__subsystem__", v[i].value);
+ /* Search list for a numeric match to use its entry point. */
+ for (i = 0; v[i].name; i++)
+ if (v[i].value == (int) temp_subsystem)
+ break;
- initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
- if (*initial_symbol_char == '\0')
- entry = v[i].entry;
- else
- {
- char *alc_entry;
-
- /* lang_add_entry expects its argument to be permanently
- allocated, so we don't free this string. */
- alc_entry = xmalloc (strlen (initial_symbol_char)
- + strlen (v[i].entry)
- + 1);
- strcpy (alc_entry, initial_symbol_char);
- strcat (alc_entry, v[i].entry);
- entry = alc_entry;
- }
+ /* If no match, use the default. */
+ if (v[i].name != NULL)
+ entry = v[i].entry;
+ else
+ entry = default_entry;
- lang_add_entry (entry, TRUE);
+ /* Use this subsystem. */
+ subsystem = (int) temp_subsystem;
+ }
+ else
+ {
+ /* Search for subsystem by name. */
+ for (i = 0; v[i].name; i++)
+ if (strncmp (optarg, v[i].name, len) == 0
+ && v[i].name[len] == '\0')
+ break;
+ if (v[i].name == NULL)
+ {
+ einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
return;
}
+
+ entry = v[i].entry;
+ subsystem = v[i].value;
}
- einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
+ set_pe_name ("__subsystem__", subsystem);
+
+ initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
+ if (*initial_symbol_char != '\0')
+ {
+ char *alc_entry;
+
+ /* lang_default_entry expects its argument to be permanently
+ allocated, so we don't free this string. */
+ alc_entry = xmalloc (strlen (initial_symbol_char)
+ + strlen (entry)
+ + 1);
+ strcpy (alc_entry, initial_symbol_char);
+ strcat (alc_entry, entry);
+ entry = alc_entry;
+ }
+
+ lang_default_entry (entry);
+
+ return;
}
pe_dll_extra_pe_debug = 1;
break;
#endif
+ case OPTION_LARGE_ADDRESS_AWARE:
+ real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
+ break;
}
return TRUE;
}
compute_dll_image_base (const char *ofile)
{
unsigned long hash = strhash (ofile);
- return 0x60000000 | ((hash << 16) & 0x0FFC0000);
+ return 0x61300000 + ((hash << 16) & 0x0FFC0000);
}
#endif
{
if (link_info.relocatable)
init[IMAGEBASEOFF].value = 0;
- else if (init[DLLOFF].value || link_info.shared)
+ else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
#ifdef DLL_SUPPORT
init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ?
compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
if (pe_dll_extra_pe_debug)
printf ("%s\n", __FUNCTION__);
- for (undef = link_info.hash->undefs; undef; undef=undef->und_next)
+ for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
if (undef->type == bfd_link_hash_undefined)
{
char* at = strchr (undef->root.string, '@');
make_import_fixup (arelent *rel, asection *s)
{
struct bfd_symbol *sym = *rel->sym_ptr_ptr;
- int addend = 0;
+ char addend[4];
if (pe_dll_extra_pe_debug)
printf ("arelent: %s@%#lx: add=%li\n", sym->name,
(long) rel->address, (long) rel->addend);
- if (! bfd_get_section_contents (s->owner, s, &addend, rel->address, sizeof (addend)))
+ if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
einfo (_("%C: Cannot get section contents - auto-import exception\n"),
s->owner, s, rel->address);
- pe_create_import_fixup (rel, s, addend);
+ pe_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
return 1;
}
if (link_info.pei386_auto_import == 0)
return;
- for (undef = link_info.hash->undefs; undef; undef=undef->und_next)
+ for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
{
if (undef->type == bfd_link_hash_undefined)
- {
- /* C++ symbols are *long*. */
- char buf[4096];
+ {
+ /* C++ symbols are *long*. */
+ char buf[4096];
if (pe_dll_extra_pe_debug)
printf ("%s:%s\n", __FUNCTION__, undef->root.string);
- sprintf (buf, "__imp_%s", undef->root.string);
+ sprintf (buf, "__imp_%s", undef->root.string);
- sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
+ sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
- if (sym && sym->type == bfd_link_hash_defined)
- {
+ if (sym && sym->type == bfd_link_hash_defined)
+ {
bfd *b = sym->u.def.section->owner;
asymbol **symbols;
int nsyms, symsize, i;
for (i = 0; i < nsyms; i++)
{
- if (memcmp (symbols[i]->name, "__head_",
- sizeof ("__head_") - 1))
+ if (! CONST_STRNEQ (symbols[i]->name, U ("_head_")))
continue;
if (pe_dll_extra_pe_debug)
printf ("->%s\n", symbols[i]->name);
pe_data_import_dll = (char*) (symbols[i]->name +
- sizeof ("__head_") - 1);
+ sizeof (U ("_head_")) - 1);
break;
}
undef->root.string = sym->root.string;
undef->u.def.value = sym->u.def.value;
undef->u.def.section = sym->u.def.section;
- }
- }
+ }
+ }
}
}
printf ("%s()\n", __FUNCTION__);
- for (sym = link_info.hash->undefs; sym; sym=sym->und_next)
- printf ("-%s\n", sym->root.string);
+ for (sym = link_info.hash->undefs; sym; sym=sym->u.undef.next)
+ printf ("-%s\n", sym->root.string);
bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
for (a = link_info.input_bfds; a; a = a->link_next)
including an internal BFD header. */
if (coff_data (output_bfd) == NULL || coff_data (output_bfd)->pe == 0)
- einfo (_("%F%P: PE operations on non PE file.\n"));
+ einfo (_("%F%P: cannot perform PE operations on non PE output file '%B'.\n"), output_bfd);
pe_data (output_bfd)->pe_opthdr = pe;
pe_data (output_bfd)->dll = init[DLLOFF].value;
+ pe_data (output_bfd)->real_flags |= real_flags;
#ifdef DLL_SUPPORT
if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
pe_find_data_imports ();
-#if ! (defined (TARGET_IS_i386pe) || defined (TARGET_IS_armpe))
- if (link_info.shared)
-#else
+#if defined (TARGET_IS_i386pe) \
+ || defined (TARGET_IS_armpe) \
+ || defined (TARGET_IS_arm_epoc_pe) \
+ || defined (TARGET_IS_arm_wince_pe)
if (!link_info.relocatable)
-#endif
pe_dll_build_sections (output_bfd, &link_info);
-
-#ifndef TARGET_IS_i386pe
-#ifndef TARGET_IS_armpe
else
pe_exe_build_sections (output_bfd, &link_info);
+#else
+ if (link_info.shared)
+ pe_dll_build_sections (output_bfd, &link_info);
#endif
-#endif
-#endif
+#endif /* DLL_SUPPORT */
-#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
+#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
if (strstr (bfd_get_target (output_bfd), "arm") == NULL)
{
/* The arm backend needs special fields in the output hash structure.
/* Find a BFD that can hold the interworking stubs. */
LANG_FOR_EACH_INPUT_STATEMENT (is)
{
- if (bfd_arm_pe_get_bfd_for_interworking (is->the_bfd, & link_info))
+ if (bfd_arm_get_bfd_for_interworking (is->the_bfd, & link_info))
break;
}
}
{
if (strcmp (sec->name, ".idata\$2") == 0)
idata2 = 1;
- if (strncmp (sec->name, ".idata\$", 7) == 0)
+ if (CONST_STRNEQ (sec->name, ".idata\$"))
is_imp = 1;
reloc_count += sec->reloc_count;
}
relocs = (arelent **) xmalloc ((size_t) relsize);
nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
- relocs, symbols);
+ relocs, symbols);
if (nrelocs < 0)
{
free (relocs);
{
struct bfd_symbol *s;
struct bfd_link_hash_entry * blhe;
- bfd *other_bfd;
+ char *other_bfd_filename;
char *n;
s = (relocs[i]->sym_ptr_ptr)[0];
|| blhe->type != bfd_link_hash_defined)
continue;
- other_bfd = blhe->u.def.section->owner;
+ other_bfd_filename
+ = blhe->u.def.section->owner->my_archive
+ ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
+ : bfd_get_filename (blhe->u.def.section->owner);
- if (strcmp (is->the_bfd->my_archive->filename,
- other_bfd->my_archive->filename) == 0)
+ if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
+ other_bfd_filename) == 0)
continue;
- /* Rename this implib to match the other. */
- n = (char *) xmalloc (strlen (other_bfd->my_archive->filename) + 1);
-
- strcpy (n, other_bfd->my_archive->filename);
-
+ /* Rename this implib to match the other one. */
+ n = xmalloc (strlen (other_bfd_filename) + 1);
+ strcpy (n, other_bfd_filename);
is->the_bfd->my_archive->filename = n;
}
int is_ms_arch = 0;
bfd *cur_arch = 0;
lang_input_statement_type *is2;
+ lang_input_statement_type *is3;
/* Careful - this is a shell script. Watch those dollar signs! */
/* Microsoft import libraries have every member named the same,
{
if (is->the_bfd->my_archive)
{
+ char *pnt;
bfd *arch = is->the_bfd->my_archive;
+
if (cur_arch != arch)
{
cur_arch = arch;
is_ms_arch = 1;
- for (is2 = is;
- is2 && is2->the_bfd->my_archive == arch;
- is2 = (lang_input_statement_type *)is2->next)
+
+ for (is3 = is;
+ is3 && is3->the_bfd->my_archive == arch;
+ is3 = (lang_input_statement_type *) is3->next)
{
- if (strcmp (is->the_bfd->filename, is2->the_bfd->filename))
- is_ms_arch = 0;
+ /* A MS dynamic import library can also contain static
+ members, so look for the first element with a .dll
+ extension, and use that for the remainder of the
+ comparisons. */
+ pnt = strrchr (is3->the_bfd->filename, '.');
+ if (pnt != NULL && strcmp (pnt, ".dll") == 0)
+ break;
+ }
+
+ if (is3 == NULL)
+ is_ms_arch = 0;
+ else
+ {
+ /* OK, found one. Now look to see if the remaining
+ (dynamic import) members use the same name. */
+ for (is2 = is;
+ is2 && is2->the_bfd->my_archive == arch;
+ is2 = (lang_input_statement_type *) is2->next)
+ {
+ /* Skip static members, ie anything with a .obj
+ extension. */
+ pnt = strrchr (is2->the_bfd->filename, '.');
+ if (pnt != NULL && strcmp (pnt, ".obj") == 0)
+ continue;
+
+ if (strcmp (is3->the_bfd->filename,
+ is2->the_bfd->filename))
+ {
+ is_ms_arch = 0;
+ break;
+ }
+ }
}
}
- if (is_ms_arch)
+ /* This fragment might have come from an .obj file in a Microsoft
+ import, and not an actual import record. If this is the case,
+ then leave the filename alone. */
+ pnt = strrchr (is->the_bfd->filename, '.');
+
+ if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
{
int idata2 = 0, reloc_count=0;
asection *sec;
}
}
}
+
+ {
+ /* The following chunk of code tries to identify jump stubs in
+ import libraries which are dead code and eliminates them
+ from the final link. For each exported symbol <sym>, there
+ is a object file in the import library with a .text section
+ and several .idata$* sections. The .text section contains the
+ symbol definition for <sym> which is a jump stub of the form
+ jmp *__imp_<sym>. The .idata$5 contains the symbol definition
+ for __imp_<sym> which is the address of the slot for <sym> in
+ the import address table. When a symbol is imported explicitly
+ using __declspec(dllimport) declaration, the compiler generates
+ a reference to __imp_<sym> which directly resolves to the
+ symbol in .idata$5, in which case the jump stub code is not
+ needed. The following code tries to identify jump stub sections
+ in import libraries which are not referred to by anyone and
+ marks them for exclusion from the final link. */
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ if (is->the_bfd->my_archive)
+ {
+ int is_imp = 0;
+ asection *sec, *stub_sec = NULL;
+
+ /* See if this is an import library thunk. */
+ for (sec = is->the_bfd->sections; sec; sec = sec->next)
+ {
+ if (strncmp (sec->name, ".idata\$", 7) == 0)
+ is_imp = 1;
+ /* The section containing the jmp stub has code
+ and has a reloc. */
+ if ((sec->flags & SEC_CODE) && sec->reloc_count)
+ stub_sec = sec;
+ }
+
+ if (is_imp && stub_sec)
+ {
+ long symsize;
+ asymbol **symbols;
+ long src_count;
+ struct bfd_link_hash_entry * blhe;
+
+ symsize = bfd_get_symtab_upper_bound (is->the_bfd);
+ symbols = xmalloc (symsize);
+ symsize = bfd_canonicalize_symtab (is->the_bfd, symbols);
+
+ for (src_count = 0; src_count < symsize; src_count++)
+ {
+ if (symbols[src_count]->section->id == stub_sec->id)
+ {
+ /* This symbol belongs to the section containing
+ the stub. */
+ blhe = bfd_link_hash_lookup (link_info.hash,
+ symbols[src_count]->name,
+ FALSE, FALSE, TRUE);
+ /* If the symbol in the stub section has no other
+ undefined references, exclude the stub section
+ from the final link. */
+ if (blhe && (blhe->type == bfd_link_hash_defined)
+ && (blhe->u.undef.next == NULL))
+ stub_sec->flags |= SEC_EXCLUDE;
+ }
+ }
+ free (symbols);
+ }
+ }
+ }
+ }
}
\f
static void
ppc_allocate_toc_section (&link_info);
#endif /* TARGET_IS_ppcpe */
-#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
+#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
/* FIXME: we should be able to set the size of the interworking stub
section.
{
LANG_FOR_EACH_INPUT_STATEMENT (is)
{
- if (! bfd_arm_pe_process_before_allocation
+ if (! bfd_arm_process_before_allocation
(is->the_bfd, & link_info, support_old_code))
{
/* xgettext:c-format */
}
/* We have seen it all. Allocate it, and carry on. */
- bfd_arm_pe_allocate_interworking_sections (& link_info);
-#endif /* TARGET_IS_armpe */
+ bfd_arm_allocate_interworking_sections (& link_info);
+#endif /* TARGET_IS_armpe || TARGET_IS_arm_epoc_pe || TARGET_IS_arm_wince_pe */
+
+ before_allocation_default ();
}
\f
#ifdef DLL_SUPPORT
if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
{
- if (pe_def_file == 0)
- pe_def_file = def_file_empty ();
-
- def_file_parse (entry->filename, pe_def_file);
+ pe_def_file = def_file_parse (entry->filename, pe_def_file);
if (pe_def_file)
{
{
struct bfd_link_hash_entry *h;
- sprintf (buf, "_%s", pe_def_file->exports[i].internal_name);
+ sprintf (buf, "%s%s", U (""), pe_def_file->exports[i].internal_name);
h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
if (h == (struct bfd_link_hash_entry *) NULL)
exp_assop ('=', "__image_base__", exp_intop (pe.ImageBase));
}
-#if 0
- /* Not sure if these *should* be set. */
- if (pe_def_file->version_major != -1)
- {
- pe.MajorImageVersion = pe_def_file->version_major;
- pe.MinorImageVersion = pe_def_file->version_minor;
- }
-#endif
if (pe_def_file->stack_reserve != -1
&& ! saw_option ("__size_of_stack_reserve__"))
{
#ifdef TARGET_IS_armpe
pe_dll_id_target ("pei-arm-little");
#endif
- if (bfd_get_format (entry->the_bfd) == bfd_object)
- {
- char fbuf[LD_PATHMAX + 1];
- const char *ext;
-
- if (REALPATH (entry->filename, fbuf) == NULL)
- strncpy (fbuf, entry->filename, sizeof (fbuf));
-
- ext = fbuf + strlen (fbuf) - 4;
-
- if (strcmp (ext, ".dll") == 0 || strcmp (ext, ".DLL") == 0)
- return pe_implied_import_dll (fbuf);
- }
+#ifdef TARGET_IS_arm_epoc_pe
+ pe_dll_id_target ("epoc-pei-arm-little");
+#endif
+#ifdef TARGET_IS_arm_wince_pe
+ pe_dll_id_target ("pei-arm-wince-little");
+#endif
+ if (pe_bfd_is_dll (entry->the_bfd))
+ return pe_implied_import_dll (entry->filename);
#endif
return FALSE;
}
static void
gld_${EMULATION_NAME}_finish (void)
{
-#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe)
+#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe)
struct bfd_link_hash_entry * h;
if (thumb_entry_symbol != NULL)
else
einfo (_("%P: warning: connot find thumb start symbol %s\n"), thumb_entry_symbol);
}
-#endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) */
+#endif /* defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) || defined(TARGET_IS_arm_wince_pe) */
+
+ finish_default ();
#ifdef DLL_SUPPORT
if (link_info.shared
if (asec)
{
- asec->flags &= ~SEC_CODE;
- asec->flags |= SEC_DATA;
+ asec->flags &= ~SEC_CODE;
+ asec->flags |= SEC_DATA;
}
}
}
\f
-/* Find the last output section before given output statement.
- Used by place_orphan. */
-
-static asection *
-output_prev_sec_find (lang_output_section_statement_type *os)
-{
- asection *s = (asection *) NULL;
- lang_statement_union_type *u;
- lang_output_section_statement_type *lookup;
-
- for (u = lang_output_section_statement.head;
- u != (lang_statement_union_type *) NULL;
- u = lookup->next)
- {
- lookup = &u->output_section_statement;
- if (lookup == os)
- return s;
-
- if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL)
- s = lookup->bfd_section;
- }
-
- return NULL;
-}
-
/* Place an orphan section.
We use this to put sections in a reasonable place in the file, and
default linker script using wildcards, and are sorted by
sort_sections. */
-struct orphan_save
-{
- lang_output_section_statement_type *os;
- asection **section;
- lang_statement_union_type **stmt;
-};
-
static bfd_boolean
-gld_${EMULATION_NAME}_place_orphan (lang_input_statement_type *file, asection *s)
+gld_${EMULATION_NAME}_place_orphan (asection *s)
{
const char *secname;
- char *hold_section_name;
+ const char *orig_secname;
char *dollar = NULL;
- const char *ps = NULL;
lang_output_section_statement_type *os;
lang_statement_list_type add_child;
secname = bfd_get_section_name (s->owner, s);
/* Look through the script to see where to place this section. */
- hold_section_name = xstrdup (secname);
- if (!link_info.relocatable)
+ orig_secname = secname;
+ if (!link_info.relocatable
+ && (dollar = strchr (secname, '$')) != NULL)
{
- dollar = strchr (hold_section_name, '$');
- if (dollar != NULL)
- *dollar = '\0';
+ size_t len = dollar - orig_secname;
+ char *newname = xmalloc (len + 1);
+ memcpy (newname, orig_secname, len);
+ newname[len] = '\0';
+ secname = newname;
}
- os = lang_output_section_find (hold_section_name);
+ os = lang_output_section_find (secname);
lang_list_init (&add_child);
if (os != NULL
&& (os->bfd_section == NULL
+ || os->bfd_section->flags == 0
|| ((s->flags ^ os->bfd_section->flags)
& (SEC_LOAD | SEC_ALLOC)) == 0))
{
/* We already have an output section statement with this
- name, and its bfd section, if any, has compatible flags. */
- lang_add_section (&add_child, s, os, file);
+ name, and its bfd section, if any, has compatible flags.
+ If the section already exists but does not have any flags set,
+ then it has been created by the linker, probably as a result of
+ a --section-start command line switch. */
+ lang_add_section (&add_child, s, os);
}
else
{
+ static struct orphan_save hold[] =
+ {
+ { ".text",
+ SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
+ 0, 0, 0, 0 },
+ { ".rdata",
+ SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
+ 0, 0, 0, 0 },
+ { ".data",
+ SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
+ 0, 0, 0, 0 },
+ { ".bss",
+ SEC_ALLOC,
+ 0, 0, 0, 0 }
+ };
+ enum orphan_save_index
+ {
+ orphan_text = 0,
+ orphan_rodata,
+ orphan_data,
+ orphan_bss
+ };
+ static int orphan_init_done = 0;
struct orphan_save *place;
- static struct orphan_save hold_text;
- static struct orphan_save hold_rdata;
- static struct orphan_save hold_data;
- static struct orphan_save hold_bss;
- char *outsecname;
- lang_statement_list_type *old;
- lang_statement_list_type add;
+ lang_output_section_statement_type *after;
etree_type *address;
+ if (!orphan_init_done)
+ {
+ struct orphan_save *ho;
+ for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
+ if (ho->name != NULL)
+ {
+ ho->os = lang_output_section_find (ho->name);
+ if (ho->os != NULL && ho->os->flags == 0)
+ ho->os->flags = ho->flags;
+ }
+ orphan_init_done = 1;
+ }
+
/* Try to put the new output section in a reasonable place based
on the section name and section flags. */
-#define HAVE_SECTION(hold, name) \
-(hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
place = NULL;
if ((s->flags & SEC_ALLOC) == 0)
;
- else if ((s->flags & SEC_HAS_CONTENTS) == 0
- && HAVE_SECTION (hold_bss, ".bss"))
- place = &hold_bss;
- else if ((s->flags & SEC_READONLY) == 0
- && HAVE_SECTION (hold_data, ".data"))
- place = &hold_data;
- else if ((s->flags & SEC_CODE) == 0
- && (s->flags & SEC_READONLY) != 0
- && HAVE_SECTION (hold_rdata, ".rdata"))
- place = &hold_rdata;
- else if ((s->flags & SEC_READONLY) != 0
- && HAVE_SECTION (hold_text, ".text"))
- place = &hold_text;
-
-#undef HAVE_SECTION
-
- /* Choose a unique name for the section. This will be needed if
- the same section name appears in the input file with
- different loadable or allocatable characteristics. */
- outsecname = xstrdup (hold_section_name);
- if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
- {
- unsigned int len;
- char *newname;
- unsigned int i;
-
- len = strlen (outsecname);
- newname = xmalloc (len + 5);
- strcpy (newname, outsecname);
- i = 0;
- do
- {
- sprintf (newname + len, "%d", i);
- ++i;
- }
- while (bfd_get_section_by_name (output_bfd, newname) != NULL);
-
- free (outsecname);
- outsecname = newname;
- }
-
- /* Start building a list of statements for this section. */
- old = stat_ptr;
- stat_ptr = &add;
- lang_list_init (stat_ptr);
+ else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
+ place = &hold[orphan_bss];
+ else if ((s->flags & SEC_READONLY) == 0)
+ place = &hold[orphan_data];
+ else if ((s->flags & SEC_CODE) == 0)
+ place = &hold[orphan_rodata];
+ else
+ place = &hold[orphan_text];
- if (config.build_constructors)
+ after = NULL;
+ if (place != NULL)
{
- /* If the name of the section is representable in C, then create
- symbols to mark the start and the end of the section. */
- for (ps = outsecname; *ps != '\0'; ps++)
- if (! ISALNUM ((unsigned char) *ps) && *ps != '_')
- break;
- if (*ps == '\0')
- {
- char *symname;
- etree_type *e_align;
-
- symname = (char *) xmalloc (ps - outsecname + sizeof "___start_");
- sprintf (symname, "___start_%s", outsecname);
- e_align = exp_unop (ALIGN_K,
- exp_intop ((bfd_vma) 1 << s->alignment_power));
- lang_add_assignment (exp_assop ('=', symname, e_align));
- }
+ if (place->os == NULL)
+ place->os = lang_output_section_find (place->name);
+ after = place->os;
+ if (after == NULL)
+ after = lang_output_section_find_by_flags (s, &place->os, NULL);
+ if (after == NULL)
+ /* *ABS* is always the first output section statement. */
+ after = (&lang_output_section_statement.head
+ ->output_section_statement);
}
- if (link_info.relocatable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
- address = exp_intop ((bfd_vma) 0);
- else
+ /* Choose a unique name for the section. This will be needed if the
+ same section name appears in the input file with different
+ loadable or allocatable characteristics. */
+ if (bfd_get_section_by_name (output_bfd, secname) != NULL)
{
- /* All sections in an executable must be aligned to a page
- boundary. */
- address = exp_unop (ALIGN_K,
- exp_nameop (NAME, "__section_alignment__"));
+ static int count = 1;
+ secname = bfd_get_unique_section_name (output_bfd, secname, &count);
+ if (secname == NULL)
+ einfo ("%F%P: place_orphan failed: %E\n");
}
- os = lang_enter_output_section_statement (outsecname, address, 0,
- (bfd_vma) 0,
- (etree_type *) NULL,
- (etree_type *) NULL,
- (etree_type *) NULL);
-
- lang_add_section (&add_child, s, os, file);
-
- lang_leave_output_section_statement
- ((bfd_vma) 0, "*default*",
- (struct lang_output_section_phdr_list *) NULL, NULL);
-
- if (config.build_constructors && *ps == '\0')
- {
- char *symname;
-
- /* lang_leave_ouput_section_statement resets stat_ptr.
- Put stat_ptr back where we want it. */
- if (place != NULL)
- stat_ptr = &add;
-
- symname = (char *) xmalloc (ps - outsecname + sizeof "___stop_");
- sprintf (symname, "___stop_%s", outsecname);
- lang_add_assignment (exp_assop ('=', symname,
- exp_nameop (NAME, ".")));
- }
-
- stat_ptr = old;
-
- if (place != NULL && os->bfd_section != NULL)
- {
- asection *snew, **pps;
-
- snew = os->bfd_section;
-
- /* Shuffle the bfd section list to make the output file look
- neater. This is really only cosmetic. */
- if (place->section == NULL)
- {
- asection *bfd_section = place->os->bfd_section;
-
- /* If the output statement hasn't been used to place
- any input sections (and thus doesn't have an output
- bfd_section), look for the closest prior output statement
- having an output section. */
- if (bfd_section == NULL)
- bfd_section = output_prev_sec_find (place->os);
-
- if (bfd_section != NULL && bfd_section != snew)
- place->section = &bfd_section->next;
- }
-
- if (place->section != NULL)
- {
- /* Unlink the section. */
- for (pps = &output_bfd->sections;
- *pps != snew;
- pps = &(*pps)->next)
- ;
- bfd_section_list_remove (output_bfd, pps);
-
- /* Now tack it on to the "place->os" section list. */
- bfd_section_list_insert (output_bfd, place->section, snew);
- }
-
- /* Save the end of this list. Further ophans of this type will
- follow the one we've just added. */
- place->section = &snew->next;
-
- /* The following is non-cosmetic. We try to put the output
- statements in some sort of reasonable order here, because
- they determine the final load addresses of the orphan
- sections. In addition, placing output statements in the
- wrong order may require extra segments. For instance,
- given a typical situation of all read-only sections placed
- in one segment and following that a segment containing all
- the read-write sections, we wouldn't want to place an orphan
- read/write section before or amongst the read-only ones. */
- if (add.head != NULL)
- {
- if (place->stmt == NULL)
- {
- /* Put the new statement list right at the head. */
- *add.tail = place->os->header.next;
- place->os->header.next = add.head;
- }
- else
- {
- /* Put it after the last orphan statement we added. */
- *add.tail = *place->stmt;
- *place->stmt = add.head;
- }
-
- /* Fix the global list pointer if we happened to tack our
- new list at the tail. */
- if (*old->tail == add.head)
- old->tail = add.tail;
-
- /* Save the end of this list. */
- place->stmt = add.tail;
- }
- }
+ /* All sections in an executable must be aligned to a page boundary. */
+ address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
+ os = lang_insert_orphan (s, secname, after, place, address, &add_child);
}
{
ls = &(*pl)->input_section;
- lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section);
+ lname = bfd_get_section_name (ls->section->owner, ls->section);
if (strchr (lname, '$') == NULL)
{
if (found_dollar)
else
{
found_dollar = TRUE;
- if (strcmp (secname, lname) < 0)
+ if (strcmp (orig_secname, lname) < 0)
break;
}
}
}
}
- free (hold_section_name);
-
return TRUE;
}
(const char *arch ATTRIBUTE_UNUSED, search_dirs_type *search,
lang_input_statement_type *entry)
{
+ static const struct
+ {
+ const char * format;
+ bfd_boolean use_prefix;
+ }
+ libname_fmt [] =
+ {
+ /* Preferred explicit import library for dll's. */
+ { "lib%s.dll.a", FALSE },
+ /* Alternate explicit import library for dll's. */
+ { "%s.dll.a", FALSE },
+ /* "libfoo.a" could be either an import lib or a static lib.
+ For backwards compatibility, libfoo.a needs to precede
+ libfoo.dll and foo.dll in the search. */
+ { "lib%s.a", FALSE },
+ /* The 'native' spelling of an import lib name is "foo.lib". */
+ { "%s.lib", FALSE },
+#ifdef DLL_SUPPORT
+ /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
+ { "%s%s.dll", TRUE },
+#endif
+ /* Try "libfoo.dll" (default preferred dll name). */
+ { "lib%s.dll", FALSE },
+ /* Finally try 'native' dll name "foo.dll". */
+ { "%s.dll", FALSE },
+ /* Note: If adding more formats to this table, make sure to check to
+ see if their length is longer than libname_fmt[0].format, and if
+ so, update the call to xmalloc() below. */
+ { NULL, FALSE }
+ };
+ static unsigned int format_max_len = 0;
const char * filename;
- char * string;
+ char * full_string;
+ char * base_string;
+ unsigned int i;
+
if (! entry->is_archive)
return FALSE;
filename = entry->filename;
- string = (char *) xmalloc (strlen (search->name)
- + strlen (filename)
- + sizeof "/lib.a.dll"
+ if (format_max_len == 0)
+ /* We need to allow space in the memory that we are going to allocate
+ for the characters in the format string. Since the format array is
+ static we only need to calculate this information once. In theory
+ this value could also be computed statically, but this introduces
+ the possibility for a discrepancy and hence a possible memory
+ corruption. The lengths we compute here will be too long because
+ they will include any formating characters (%s) in the strings, but
+ this will not matter. */
+ for (i = 0; libname_fmt[i].format; i++)
+ if (format_max_len < strlen (libname_fmt[i].format))
+ format_max_len = strlen (libname_fmt[i].format);
+
+ full_string = xmalloc (strlen (search->name)
+ + strlen (filename)
+ + format_max_len
#ifdef DLL_SUPPORT
- + (pe_dll_search_prefix ? strlen (pe_dll_search_prefix) : 0)
+ + (pe_dll_search_prefix
+ ? strlen (pe_dll_search_prefix) : 0)
#endif
- + 1);
+ /* Allow for the terminating NUL and for the path
+ separator character that is inserted between
+ search->name and the start of the format string. */
+ + 2);
- /* Try "libfoo.dll.a" first (preferred explicit import library for dll's. */
- sprintf (string, "%s/lib%s.dll.a", search->name, filename);
+ sprintf (full_string, "%s/", search->name);
+ base_string = full_string + strlen (full_string);
- if (! ldfile_try_open_bfd (string, entry))
+ for (i = 0; libname_fmt[i].format; i++)
{
- /* Try "foo.dll.a" next (alternate explicit import library for dll's. */
- sprintf (string, "%s/%s.dll.a", search->name, filename);
- if (! ldfile_try_open_bfd (string, entry))
- {
- /* Try libfoo.a next. Normally, this would be interpreted as a static
- library, but it *could* be an import library. For backwards compatibility,
- libfoo.a needs to ==precede== libfoo.dll and foo.dll in the search,
- or sometimes errors occur when building legacy packages.
-
- Putting libfoo.a here means that in a failure case (i.e. the library
- -lfoo is not found) we will search for libfoo.a twice before
- giving up -- once here, and once when searching for a "static" lib.
- for a "static" lib. */
- /* Try "libfoo.a" (import lib, or static lib, but must
- take precedence over dll's). */
- sprintf (string, "%s/lib%s.a", search->name, filename);
- if (! ldfile_try_open_bfd (string, entry))
- {
-#ifdef DLL_SUPPORT
- if (pe_dll_search_prefix)
- {
- /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
- sprintf (string, "%s/%s%s.dll", search->name, pe_dll_search_prefix, filename);
- if (! ldfile_try_open_bfd (string, entry))
- {
- /* Try "libfoo.dll" (default preferred dll name). */
- sprintf (string, "%s/lib%s.dll", search->name, filename);
- if (! ldfile_try_open_bfd (string, entry))
- {
- /* Finally, try "foo.dll" (alternate dll name). */
- sprintf (string, "%s/%s.dll", search->name, filename);
- if (! ldfile_try_open_bfd (string, entry))
- {
- free (string);
- return FALSE;
- }
- }
- }
- }
- else /* pe_dll_search_prefix not specified. */
+#ifdef DLL_SUPPORT
+ if (libname_fmt[i].use_prefix)
+ {
+ if (!pe_dll_search_prefix)
+ continue;
+ sprintf (base_string, libname_fmt[i].format, pe_dll_search_prefix, filename);
+ }
+ else
#endif
- {
- /* Try "libfoo.dll" (preferred dll name). */
- sprintf (string, "%s/lib%s.dll", search->name, filename);
- if (! ldfile_try_open_bfd (string, entry))
- {
- /* Finally, try "foo.dll" (alternate dll name). */
- sprintf (string, "%s/%s.dll", search->name, filename);
- if (! ldfile_try_open_bfd (string, entry))
- {
- free (string);
- return FALSE;
- }
- }
- }
- }
- }
+ sprintf (base_string, libname_fmt[i].format, filename);
+
+ if (ldfile_try_open_bfd (full_string, entry))
+ break;
+ }
+
+ if (!libname_fmt[i].format)
+ {
+ free (full_string);
+ return FALSE;
}
- entry->filename = string;
+ entry->filename = full_string;
return TRUE;
}
if (link_info.relocatable && config.build_constructors)
return
EOF
-sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
-echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
-echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
-echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
-echo ' ; else return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
-echo '; }' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
+echo ' ; else if (link_info.relocatable) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
+echo ' ; else return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
+echo '; }' >> e${EMULATION_NAME}.c
cat >>e${EMULATION_NAME}.c <<EOF