# 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 ;-)
fragment <<EOF
-/* Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
+/* Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
Written by Kai Tietz, OneVision Software GmbH&CoKg.
This file is part of the GNU Binutils.
#define PE_DEF_SECTION_ALIGNMENT 0x00000400
#endif
-
static struct internal_extra_pe_aouthdr pep;
static int dll;
+static int pep_subsystem = ${SUBSYSTEM};
static flagword real_flags = IMAGE_FILE_LARGE_ADDRESS_AWARE;
static int support_old_code = 0;
static lang_assignment_statement_type *image_base_statement = 0;
+static unsigned short pe_dll_characteristics = 0;
#ifdef DLL_SUPPORT
static int pep_enable_stdcall_fixup = 1; /* 0=disable 1=enable (default). */
config.dynamic_link = TRUE;
config.has_shared = 1;
link_info.pei386_auto_import = -1;
- link_info.pei386_runtime_pseudo_reloc = -1;
-
-#if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
- lang_default_entry ("_WinMainCRTStartup");
-#else
- lang_default_entry ("${ENTRY}");
-#endif
+ link_info.pei386_runtime_pseudo_reloc = 2; /* Use by default version 2. */
#endif
}
\f
OPTION_OUT_DEF,
OPTION_EXPORT_ALL,
OPTION_EXCLUDE_SYMBOLS,
+ OPTION_EXCLUDE_ALL_SYMBOLS,
OPTION_KILL_ATS,
OPTION_STDCALL_ALIASES,
OPTION_ENABLE_STDCALL_FIXUP,
OPTION_ENABLE_EXTRA_PE_DEBUG,
OPTION_EXCLUDE_LIBS,
OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC,
- OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC
+ OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC,
+ OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1,
+ OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2,
+ OPTION_EXCLUDE_MODULES_FOR_IMPLIB,
+ OPTION_USE_NUL_PREFIXED_IMPORT_TABLES,
+ OPTION_NO_LEADING_UNDERSCORE,
+ OPTION_LEADING_UNDERSCORE,
+ OPTION_ENABLE_LONG_SECTION_NAMES,
+ OPTION_DISABLE_LONG_SECTION_NAMES,
+ OPTION_DYNAMIC_BASE,
+ OPTION_FORCE_INTEGRITY,
+ OPTION_NX_COMPAT,
+ OPTION_NO_ISOLATION,
+ OPTION_NO_SEH,
+ OPTION_NO_BIND,
+ OPTION_WDM_DRIVER,
+ OPTION_TERMINAL_SERVER_AWARE
};
static void
{"stack", required_argument, NULL, OPTION_STACK},
{"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
{"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
+ {"use-nul-prefixed-import-tables", no_argument, NULL,
+ OPTION_USE_NUL_PREFIXED_IMPORT_TABLES},
+ {"no-leading-underscore", no_argument, NULL, OPTION_NO_LEADING_UNDERSCORE},
+ {"leading-underscore", no_argument, NULL, OPTION_LEADING_UNDERSCORE},
#ifdef DLL_SUPPORT
/* getopt allows abbreviations, so we do this to stop it
from treating -o as an abbreviation for this option. */
{"output-def", required_argument, NULL, OPTION_OUT_DEF},
{"export-all-symbols", no_argument, NULL, OPTION_EXPORT_ALL},
{"exclude-symbols", required_argument, NULL, OPTION_EXCLUDE_SYMBOLS},
+ {"exclude-all-symbols", no_argument, NULL, OPTION_EXCLUDE_ALL_SYMBOLS},
{"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
+ {"exclude-modules-for-implib", required_argument, NULL, OPTION_EXCLUDE_MODULES_FOR_IMPLIB},
{"kill-at", no_argument, NULL, OPTION_KILL_ATS},
{"add-stdcall-alias", no_argument, NULL, OPTION_STDCALL_ALIASES},
{"enable-stdcall-fixup", no_argument, NULL, OPTION_ENABLE_STDCALL_FIXUP},
{"enable-extra-pep-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
{"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},
+ {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
+ {"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
#endif
+ {"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
+ {"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
+ {"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
+ {"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
+ {"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
+ {"no-isolation", no_argument, NULL, OPTION_NO_ISOLATION},
+ {"no-seh", no_argument, NULL, OPTION_NO_SEH},
+ {"no-bind", no_argument, NULL, OPTION_NO_BIND},
+ {"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
+ {"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
{NULL, no_argument, NULL, 0}
};
- *longopts = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
+ *longopts
+ = xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
}
bfd_vma value;
char *symbol;
int inited;
+ /* FALSE for an assembly level symbol and TRUE for a C visible symbol.
+ C visible symbols can be prefixed by underscore dependent on target's
+ settings. */
+ bfd_boolean is_c_symbol;
} definfo;
-#define D(field,symbol,def) {&pep.field,sizeof(pep.field), def, symbol,0}
+#define GET_INIT_SYMBOL_NAME(IDX) \
+ (init[(IDX)].symbol \
+ + ((init[(IDX)].is_c_symbol == FALSE || pep_leading_underscore != 0) ? 0 : 1))
+
+/* Decorates the C visible symbol by underscore, if target requires. */
+#define U(CSTR) \
+ (pep_leading_underscore == 0 ? CSTR : "_" CSTR)
+
+/* Get size of constant string for a possible underscore prefixed
+ C visible symbol. */
+#define U_SIZE(CSTR) \
+ (sizeof (CSTR) + pep_leading_underscore == 0 ? 0 : 1)
+
+#define D(field,symbol,def,usc) {&pep.field,sizeof(pep.field), def, symbol,0, usc}
static definfo init[] =
{
/* imagebase must be first */
#define IMAGEBASEOFF 0
- D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE),
+ D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE, FALSE),
#define DLLOFF 1
- {&dll, sizeof(dll), 0, "__dll__", 0},
+ {&dll, sizeof(dll), 0, "__dll__", 0, FALSE},
#define MSIMAGEBASEOFF 2
- D(ImageBase,"___ImageBase", NT_EXE_IMAGE_BASE),
- D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
- D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
- D(MajorOperatingSystemVersion,"__major_os_version__", 4),
- D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
- D(MajorImageVersion,"__major_image_version__", 0),
- D(MinorImageVersion,"__minor_image_version__", 0),
- D(MajorSubsystemVersion,"__major_subsystem_version__", 5),
- D(MinorSubsystemVersion,"__minor_subsystem_version__", 2),
- D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
- D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
- D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
- D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
- D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
- D(LoaderFlags,"__loader_flags__", 0x0),
- { NULL, 0, 0, NULL, 0 }
+ D(ImageBase, "___ImageBase", NT_EXE_IMAGE_BASE, TRUE),
+ D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT, FALSE),
+ D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT, FALSE),
+ D(MajorOperatingSystemVersion,"__major_os_version__", 4, FALSE),
+ D(MinorOperatingSystemVersion,"__minor_os_version__", 0, FALSE),
+ D(MajorImageVersion,"__major_image_version__", 0, FALSE),
+ D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
+ D(MajorSubsystemVersion,"__major_subsystem_version__", 5, FALSE),
+ D(MinorSubsystemVersion,"__minor_subsystem_version__", 2, FALSE),
+ D(Subsystem,"__subsystem__", ${SUBSYSTEM}, FALSE),
+ D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000, FALSE),
+ D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000, FALSE),
+ D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000, FALSE),
+ D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000, FALSE),
+ D(LoaderFlags,"__loader_flags__", 0x0, FALSE),
+ D(DllCharacteristics, "__dll_characteristics__", 0x0, FALSE),
+ { NULL, 0, 0, NULL, 0, FALSE}
};
fprintf (file, _(" --stack <size> Set size of the initial stack\n"));
fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
fprintf (file, _(" --support-old-code Support interworking with old code\n"));
+ fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
#ifdef DLL_SUPPORT
fprintf (file, _(" --add-stdcall-alias Export symbols with and without @nn\n"));
fprintf (file, _(" --disable-stdcall-fixup Don't link _sym to _sym@nn\n"));
fprintf (file, _(" --enable-stdcall-fixup Link _sym to _sym@nn without warnings\n"));
fprintf (file, _(" --exclude-symbols sym,sym,... Exclude symbols from automatic export\n"));
+ fprintf (file, _(" --exclude-all-symbols Exclude all symbols from automatic export\n"));
fprintf (file, _(" --exclude-libs lib,lib,... Exclude libraries from automatic export\n"));
+ fprintf (file, _(" --exclude-modules-for-implib mod,mod,...\n"));
+ fprintf (file, _(" Exclude objects, archive members from auto\n"));
+ fprintf (file, _(" export, place into import library instead.\n"));
fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
fprintf (file, _(" --out-implib <file> Generate import library\n"));
auto-imported DATA.\n"));
fprintf (file, _(" --enable-extra-pep-debug Enable verbose debug output when building\n\
or linking to DLLs (esp. auto-import)\n"));
+ fprintf (file, _(" --enable-long-section-names Use long COFF section names even in\n\
+ executable image files\n"));
+ fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
+ in object files\n"));
+ fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
+ address space layout randomization (ASLR)\n"));
+ fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
+ fprintf (file, _(" --nxcompat Image is compatible with data execution prevention\n"));
+ fprintf (file, _(" --no-isolation Image understands isolation but do not isolate the image\n"));
+ fprintf (file, _(" --no-seh Image does not use SEH. No SE handler may\n\
+ be called in this image\n"));
+ fprintf (file, _(" --no-bind Do not bind this image\n"));
+ fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
+ fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
#endif
}
/* Find the name and set it. */
for (i = 0; init[i].ptr; i++)
{
- if (strcmp (name, init[i].symbol) == 0)
+ if (strcmp (name, GET_INIT_SYMBOL_NAME (i)) == 0)
{
init[i].value = val;
init[i].inited = 1;
if (strcmp (name,"__image_base__") == 0)
- set_pep_name ("___ImageBase", val);
+ set_pep_name (U ("__ImageBase"), val);
return;
}
}
abort ();
}
+static void
+set_entry_point (void)
+{
+ const char *entry;
+ const char *initial_symbol_char;
+ int i, u = -1;
+
+ static const struct
+ {
+ const int value;
+ const char *entry;
+ }
+ v[] =
+ {
+ { 1, "NtProcessStartup" },
+ { 2, "WinMainCRTStartup" },
+ { 3, "mainCRTStartup" },
+ { 7, "__PosixProcessStartup" },
+ { 9, "WinMainCRTStartup" },
+ {14, "mainCRTStartup" },
+ { 0, NULL }
+ };
+
+ /* Entry point name for arbitrary subsystem numbers. */
+ static const char default_entry[] = "mainCRTStartup";
+
+ if (link_info.shared || dll)
+ {
+ entry = "DllMainCRTStartup";
+ }
+ else
+ {
+ for (i = 0; v[i].entry; i++)
+ if (v[i].value == pep_subsystem)
+ break;
+
+ /* If no match, use the default. */
+ if (v[i].entry != NULL)
+ entry = v[i].entry;
+ else
+ entry = default_entry;
+ }
+
+ /* Now we check target's default for getting proper symbol_char. */
+ u = pep_leading_underscore;
+ if (u == -1 && !bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
+ bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
+
+ if (u == 0)
+ initial_symbol_char = "";
+ else if (u != -1)
+ initial_symbol_char = "_";
+ else
+ abort ();
+ pep_leading_underscore = u;
+
+ 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);
+}
static void
set_pep_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;
const int value;
- const char *entry;
}
v[] =
{
- { "native", 1, "NtProcessStartup" },
- { "windows", 2, "WinMainCRTStartup" },
- { "console", 3, "mainCRTStartup" },
- { "posix", 7, "__PosixProcessStartup"},
- { "wince", 9, "_WinMainCRTStartup" },
- { "xbox", 14, "mainCRTStartup" },
- { NULL, 0, NULL }
+ { "native", 1 },
+ { "windows", 2 },
+ { "console", 3 },
+ { "posix", 7 },
+ { "wince", 9 },
+ { "xbox", 14 },
+ { NULL, 0 }
};
- /* 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 (v[i].value == (int) temp_subsystem)
break;
- /* If no match, use the default. */
- if (v[i].name != NULL)
- entry = v[i].entry;
- else
- entry = default_entry;
-
/* Use this subsystem. */
- subsystem = (int) temp_subsystem;
+ pep_subsystem = (int) temp_subsystem;
}
else
{
return;
}
- entry = v[i].entry;
- subsystem = v[i].value;
+ pep_subsystem = v[i].value;
}
- set_pep_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);
+ set_pep_name ("__subsystem__", pep_subsystem);
return;
}
case OPTION_SUPPORT_OLD_CODE:
support_old_code = 1;
break;
+ case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
+ pep_use_nul_prefixed_import_tables = TRUE;
+ break;
+ case OPTION_NO_LEADING_UNDERSCORE:
+ pep_leading_underscore = 0;
+ break;
+ case OPTION_LEADING_UNDERSCORE:
+ pep_leading_underscore = 1;
+ break;
#ifdef DLL_SUPPORT
case OPTION_OUT_DEF:
pep_out_def_filename = xstrdup (optarg);
pep_dll_export_everything = 1;
break;
case OPTION_EXCLUDE_SYMBOLS:
- pep_dll_add_excludes (optarg, 0);
+ pep_dll_add_excludes (optarg, EXCLUDESYMS);
+ break;
+ case OPTION_EXCLUDE_ALL_SYMBOLS:
+ pep_dll_exclude_all_symbols = 1;
break;
case OPTION_EXCLUDE_LIBS:
- pep_dll_add_excludes (optarg, 1);
+ pep_dll_add_excludes (optarg, EXCLUDELIBS);
+ break;
+ case OPTION_EXCLUDE_MODULES_FOR_IMPLIB:
+ pep_dll_add_excludes (optarg, EXCLUDEFORIMPLIB);
break;
case OPTION_KILL_ATS:
pep_dll_kill_ats = 1;
link_info.pei386_auto_import = 0;
break;
case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC:
- link_info.pei386_runtime_pseudo_reloc = 1;
+ link_info.pei386_runtime_pseudo_reloc = 2;
break;
case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
link_info.pei386_runtime_pseudo_reloc = 0;
break;
+ case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
+ link_info.pei386_runtime_pseudo_reloc = 1;
+ break;
+ case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
+ link_info.pei386_runtime_pseudo_reloc = 2;
+ break;
case OPTION_ENABLE_EXTRA_PE_DEBUG:
pep_dll_extra_pe_debug = 1;
break;
#endif
+ case OPTION_ENABLE_LONG_SECTION_NAMES:
+ pep_use_coff_long_section_names = 1;
+ break;
+ case OPTION_DISABLE_LONG_SECTION_NAMES:
+ pep_use_coff_long_section_names = 0;
+ break;
+ /* Get DLLCharacteristics bits */
+ case OPTION_DYNAMIC_BASE:
+ pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
+ break;
+ case OPTION_FORCE_INTEGRITY:
+ pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY;
+ break;
+ case OPTION_NX_COMPAT:
+ pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_NX_COMPAT;
+ break;
+ case OPTION_NO_ISOLATION:
+ pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_ISOLATION;
+ break;
+ case OPTION_NO_SEH:
+ pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_SEH;
+ break;
+ case OPTION_NO_BIND:
+ pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_NO_BIND;
+ break;
+ case OPTION_WDM_DRIVER:
+ pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_WDM_DRIVER;
+ break;
+ case OPTION_TERMINAL_SERVER_AWARE:
+ pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
+ break;
}
+
+ /* Set DLLCharacteristics bits */
+ set_pep_name ("__dll_characteristics__", pe_dll_characteristics);
+
return TRUE;
}
\f
/* Run through and invent symbols for all the
names and insert the defaults. */
int j;
- lang_statement_list_type *save;
if (!init[IMAGEBASEOFF].inited)
{
if (link_info.relocatable)
init[IMAGEBASEOFF].value = 0;
else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
+ {
#ifdef DLL_SUPPORT
- init[IMAGEBASEOFF].value = (pep_enable_auto_image_base) ?
- compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
+ init[IMAGEBASEOFF].value = (pep_enable_auto_image_base
+ ? compute_dll_image_base (output_filename)
+ : NT_DLL_IMAGE_BASE);
#else
- init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
+ init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
#endif
+ }
else
init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
- init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
+ init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
}
/* Don't do any symbol assignments if this is a relocatable link. */
return;
/* Glue the assignments into the abs section. */
- save = stat_ptr;
-
- stat_ptr = &(abs_output_section->children);
+ push_stat_ptr (&abs_output_section->children);
for (j = 0; init[j].ptr; j++)
{
bfd_vma val = init[j].value;
lang_assignment_statement_type *rv;
- rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
+
+ rv = lang_add_assignment (exp_assop ('=', GET_INIT_SYMBOL_NAME (j),
exp_intop (val)));
if (init[j].size == sizeof (short))
*(short *) init[j].ptr = (short) val;
image_base_statement = rv;
}
/* Restore the pointer. */
- stat_ptr = save;
+ pop_stat_ptr ();
if (pep.FileAlignment > pep.SectionAlignment)
{
static void
gld_${EMULATION_NAME}_after_parse (void)
{
- /* The Windows libraries are designed for the linker to treat the
- entry point as an undefined symbol. Otherwise, the .obj that
- defines mainCRTStartup is brought in because it is the first
- encountered in libc.lib and it has other symbols in it which will
- be pulled in by the link process. To avoid this, we act as
- though the user specified -u with the entry point symbol.
-
- This function is called after the linker script and command line
- options have been read, so at this point we know the right entry
- point. This function is called before the input files are
- opened, so registering the symbol as undefined will make a
- difference. */
-
- if (! link_info.relocatable && entry_symbol.name != NULL)
- ldlang_add_undef (entry_symbol.name);
+ /* PR ld/6744: Warn the user if they have used an ELF-only
+ option hoping it will work on PE+. */
+ if (link_info.export_dynamic)
+ einfo (_("%P: warning: --export-dynamic is not supported for PE+ "
+ "targets, did you mean --export-all-symbols?\n"));
+
+ set_entry_point ();
+
+ after_parse_default ();
}
/* pep-dll.c directly accesses pep_data_import_dll,
{
int sl;
char *string = inf;
+ const char *hs = h->root.string;
sl = strlen (string);
if (h->type == bfd_link_hash_defined
- && strncmp (h->root.string, string, sl) == 0
+ && ((*hs == '@' && *string == '_'
+ && strncmp (hs + 1, string + 1, sl - 1) == 0)
+ || strncmp (hs, string, sl) == 0)
&& h->root.string[sl] == '@')
{
pep_undef_found_sym = h;
{
char* at = strchr (undef->root.string, '@');
int lead_at = (*undef->root.string == '@');
- /* For now, don't try to fixup fastcall symbols. */
-
- if (at && !lead_at)
+ if (lead_at)
+ at = strchr (undef->root.string + 1, '@');
+ if (at || lead_at)
{
/* The symbol is a stdcall symbol, so let's look for a
cdecl symbol with the same name and resolve to that. */
- char *cname = xstrdup (undef->root.string /* + lead_at */);
+ char *cname = xstrdup (undef->root.string);
+
+ if (lead_at)
+ *cname = '_';
at = strchr (cname, '@');
- *at = 0;
+ if (at)
+ *at = 0;
sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1);
if (sym && sym->type == bfd_link_hash_defined)
make_import_fixup (arelent *rel, asection *s)
{
struct bfd_symbol *sym = *rel->sym_ptr_ptr;
- char addend[4];
+ char addend[8];
+ bfd_vma _addend = 0;
+ int suc = 0;
if (pep_dll_extra_pe_debug)
printf ("arelent: %s@%#lx: add=%li\n", sym->name,
(unsigned long) rel->address, (long) rel->addend);
- if (! bfd_get_section_contents (s->owner, s, addend, rel->address, sizeof (addend)))
+ memset (addend, 0, sizeof (addend));
+ switch ((rel->howto->bitsize))
+ {
+ case 8:
+ suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1);
+ if (suc && rel->howto->pc_relative)
+ _addend = (bfd_vma) ((bfd_signed_vma) ((char) bfd_get_8 (s->owner, addend)));
+ else if (suc)
+ _addend = ((bfd_vma) bfd_get_8 (s->owner, addend)) & 0xff;
+ break;
+ case 16:
+ suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2);
+ if (suc && rel->howto->pc_relative)
+ _addend = (bfd_vma) ((bfd_signed_vma) ((short) bfd_get_16 (s->owner, addend)));
+ else if (suc)
+ _addend = ((bfd_vma) bfd_get_16 (s->owner, addend)) & 0xffff;
+ break;
+ case 32:
+ suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4);
+ if (suc && rel->howto->pc_relative)
+ _addend = (bfd_vma) ((bfd_signed_vma) ((int) bfd_get_32 (s->owner, addend)));
+ else if (suc)
+ _addend = ((bfd_vma) bfd_get_32 (s->owner, addend)) & 0xffffffff;
+ break;
+ case 64:
+ suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8);
+ if (suc)
+ _addend = ((bfd_vma) bfd_get_64 (s->owner, addend));
+ break;
+ }
+ if (! suc)
einfo (_("%C: Cannot get section contents - auto-import exception\n"),
s->owner, s, rel->address);
- pep_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
+ if (pep_dll_extra_pe_debug)
+ {
+ printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx", (long) _addend, (long) rel->addend, (long) rel->address);
+ if (rel->howto->pc_relative) printf (" pcrel");
+ printf (" %d bit rel.\n",(int) rel->howto->bitsize);
+ }
+ pep_create_import_fixup (rel, s, _addend);
return 1;
}
for (i = 0; i < nsyms; i++)
{
- if (! CONST_STRNEQ (symbols[i]->name, "__head_"))
+ if (! CONST_STRNEQ (symbols[i]->name, U ("_head_")))
continue;
if (pep_dll_extra_pe_debug)
printf ("->%s\n", symbols[i]->name);
pep_data_import_dll = (char*) (symbols[i]->name +
- sizeof ("__head_") - 1);
+ U_SIZE ("_head_") - 1);
break;
}
pep_walk_relocs_of_symbol (&link_info, undef->root.string,
- make_import_fixup);
+ make_import_fixup);
/* Let's differentiate it somehow from defined. */
undef->type = bfd_link_hash_defweak;
}
#endif /* DLL_SUPPORT */
+static void
+debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
+{
+ int *found = (int *) obj;
+ if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
+ *found = 1;
+}
static void
gld_${EMULATION_NAME}_after_open (void)
pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
pe_data (link_info.output_bfd)->real_flags |= real_flags;
+ /* At this point we must decide whether to use long section names
+ in the output or not. If the user hasn't explicitly specified
+ on the command line, we leave it to the default for the format
+ (object files yes, image files no), except if there is debug
+ information present; GDB relies on the long section names to
+ find it, so enable it in that case. */
+ if (pep_use_coff_long_section_names < 0 && link_info.strip == strip_none)
+ {
+ /* Iterate over all sections of all input BFDs, checking
+ for any that begin 'debug_' and are long names. */
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ int found_debug = 0;
+ bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
+ if (found_debug)
+ {
+ pep_use_coff_long_section_names = 1;
+ break;
+ }
+ }
+ }
+
+ pep_output_file_set_long_section_names (link_info.output_bfd);
+
#ifdef DLL_SUPPORT
if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
pep_fixup_stdcalls ();
pep_find_data_imports ();
+ /* As possibly new symbols are added by imports, we rerun
+ stdcall/fastcall fixup here. */
+ if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
+ pep_fixup_stdcalls ();
+
#ifndef TARGET_IS_i386pep
if (link_info.shared)
#else
int i;
for (i = 0; init[i].ptr; i++)
- if (strcmp (init[i].symbol, option) == 0)
+ if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
return init[i].inited;
return 0;
}
{
struct bfd_link_hash_entry *h;
- sprintf (buf, "_%s", pep_def_file->exports[i].internal_name);
+ sprintf (buf, "%s%s", U (""),
+ pep_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)
{
pep_dll_fill_sections (link_info.output_bfd, &link_info);
if (pep_implib_filename)
- pep_dll_generate_implib (pep_def_file, pep_implib_filename);
+ pep_dll_generate_implib (pep_def_file, pep_implib_filename, &link_info);
}
if (pep_out_def_filename)
We use this to put sections in a reasonable place in the file, and
to ensure that they are aligned as required.
- We handle grouped sections here as well. A section named .foo$nn
+ We handle grouped sections here as well. A section named .foo\$nn
goes into the output section .foo. All grouped sections are sorted
by name.
default linker script using wildcards, and are sorted by
sort_sections. */
-static bfd_boolean
-gld_${EMULATION_NAME}_place_orphan (asection *s)
+static lang_output_section_statement_type *
+gld_${EMULATION_NAME}_place_orphan (asection *s,
+ const char *secname,
+ int constraint)
{
- const char *secname;
- const char *orig_secname;
+ const char *orig_secname = secname;
char *dollar = NULL;
lang_output_section_statement_type *os;
lang_statement_list_type add_child;
-
- secname = bfd_get_section_name (s->owner, s);
+ lang_output_section_statement_type *match_by_name = NULL;
+ lang_statement_union_type **pl;
/* Look through the script to see where to place this section. */
- orig_secname = secname;
if (!link_info.relocatable
- && (dollar = strchr (secname, '$')) != NULL)
+ && (dollar = strchr (secname, '\$')) != NULL)
{
- size_t len = dollar - orig_secname;
+ size_t len = dollar - secname;
char *newname = xmalloc (len + 1);
- memcpy (newname, orig_secname, len);
+ memcpy (newname, secname, len);
newname[len] = '\0';
secname = newname;
}
- 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))
+ os = NULL;
+ if (constraint == 0)
+ for (os = lang_output_section_find (secname);
+ os != NULL;
+ os = next_matching_output_section_statement (os, 0))
+ {
+ /* If we don't match an existing output section, tell
+ lang_insert_orphan to create a new output section. */
+ constraint = SPECIAL;
+
+ if (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 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);
+ break;
+ }
+
+ /* Save unused output sections in case we can match them
+ against orphans later. */
+ if (os->bfd_section == NULL)
+ match_by_name = os;
+ }
+
+ /* If we didn't match an active output section, see if we matched an
+ unused one and use that. */
+ if (os == NULL && match_by_name)
{
- /* We already have an output section statement with this
- 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);
+ lang_add_section (&match_by_name->children, s, match_by_name);
+ return match_by_name;
}
- else
+
+ if (os == NULL)
{
static struct orphan_save hold[] =
{
->output_section_statement);
}
- /* 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 (link_info.output_bfd, secname) != NULL)
- {
- static int count = 1;
- secname = bfd_get_unique_section_name (link_info.output_bfd,
- secname, &count);
- if (secname == NULL)
- einfo ("%F%P: place_orphan failed: %E\n");
- }
-
/* 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);
+ os = lang_insert_orphan (s, secname, constraint, after, place, address,
+ &add_child);
}
- {
- lang_statement_union_type **pl = &os->children.head;
-
- if (dollar != NULL)
- {
- bfd_boolean found_dollar;
-
- /* The section name has a '$'. Sort it with the other '$'
- sections. */
- found_dollar = FALSE;
- for ( ; *pl != NULL; pl = &(*pl)->header.next)
- {
- lang_input_section_type *ls;
- const char *lname;
+ /* If the section name has a '\$', sort it with the other '\$'
+ sections. */
+ for (pl = &os->children.head; *pl != NULL; pl = &(*pl)->header.next)
+ {
+ lang_input_section_type *ls;
+ const char *lname;
- if ((*pl)->header.type != lang_input_section_enum)
- continue;
+ if ((*pl)->header.type != lang_input_section_enum)
+ continue;
- ls = &(*pl)->input_section;
+ ls = &(*pl)->input_section;
- lname = bfd_get_section_name (ls->section->owner, ls->section);
- if (strchr (lname, '$') == NULL)
- {
- if (found_dollar)
- break;
- }
- else
- {
- found_dollar = TRUE;
- if (strcmp (orig_secname, lname) < 0)
- break;
- }
- }
- }
+ lname = bfd_get_section_name (ls->section->owner, ls->section);
+ if (strchr (lname, '\$') != NULL
+ && (dollar == NULL || strcmp (orig_secname, lname) < 0))
+ break;
+ }
- if (add_child.head != NULL)
- {
- add_child.head->header.next = *pl;
- *pl = add_child.head;
- }
- }
+ if (add_child.head != NULL)
+ {
+ *add_child.tail = *pl;
+ *pl = add_child.head;
+ }
- return TRUE;
+ return os;
}
static bfd_boolean
projects / external / binutils.git / blobdiff