# 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 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+/* Copyright 1995-2013 Free Software Foundation, Inc.
This file is part of the GNU Binutils.
#include "bfdlink.h"
#include "getopt.h"
#include "libiberty.h"
+#include "filenames.h"
#include "ld.h"
#include "ldmain.h"
#include "ldexp.h"
#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
+#if defined(TARGET_IS_i386pe)
+#define DEFAULT_PSEUDO_RELOC_VERSION 2
+#else
+#define DEFAULT_PSEUDO_RELOC_VERSION 1
+#endif
+
#if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT)
#define PE_DEF_SUBSYSTEM 3
#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 int pe_subsystem = ${SUBSYSTEM};
static flagword real_flags = 0;
static int support_old_code = 0;
static char * thumb_entry_symbol = NULL;
static lang_assignment_statement_type *image_base_statement = 0;
+static unsigned short pe_dll_characteristics = 0;
#ifdef DLL_SUPPORT
static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
extern const char *output_filename;
+static int is_underscoring (void)
+{
+ int u = 0;
+ if (pe_leading_underscore != -1)
+ return pe_leading_underscore;
+ if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
+ bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
+
+ if (u == -1)
+ abort ();
+ pe_leading_underscore = (u != 0 ? 1 : 0);
+ return pe_leading_underscore;
+}
+
static void
gld_${EMULATION_NAME}_before_parse (void)
{
+ is_underscoring ();
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;
+ input_flags.dynamic = TRUE;
config.has_shared = 1;
- link_info.pei386_auto_import = -1;
- link_info.pei386_runtime_pseudo_reloc = 1; /* Use by default version 1. */
+EOF
-#if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
-#if defined TARGET_IS_mipspe || defined TARGET_IS_armpe || defined TARGET_IS_arm_wince_pe
- lang_default_entry ("WinMainCRTStartup");
-#else
- lang_default_entry ("_WinMainCRTStartup");
-#endif
-#else
- lang_default_entry ("${ENTRY}");
-#endif
+# Cygwin no longer wants these noisy warnings. Other PE
+# targets might like to consider adding themselves here.
+# See also the mail thread starting here for the reason why
+# merge_rdata defaults to 0 for cygwin:
+# http://cygwin.com/ml/cygwin-apps/2013-04/msg00187.html
+case ${target} in
+ *-*-cygwin*)
+ default_auto_import=1
+ default_merge_rdata=0
+ ;;
+ i[3-7]86-*-mingw* | x86_64-*-mingw*)
+ default_auto_import=1
+ default_merge_rdata=0
+ ;;
+ *)
+ default_auto_import=-1
+ default_merge_rdata=1
+ ;;
+esac
+
+fragment <<EOF
+ link_info.pei386_auto_import = ${default_auto_import};
+ /* Use by default version. */
+ link_info.pei386_runtime_pseudo_reloc = DEFAULT_PSEUDO_RELOC_VERSION;
#endif
}
\f
+/* Indicates if RDATA shall be merged into DATA when pseudo-relocation
+ version 2 is used and auto-import is enabled. */
+#define MERGE_RDATA_V2 ${default_merge_rdata}
+
/* PE format extra command line options. */
/* Used for setting flags in the PE header. */
#define OPTION_OUT_DEF (OPTION_SUPPORT_OLD_CODE + 1)
#define OPTION_EXPORT_ALL (OPTION_OUT_DEF + 1)
#define OPTION_EXCLUDE_SYMBOLS (OPTION_EXPORT_ALL + 1)
-#define OPTION_KILL_ATS (OPTION_EXCLUDE_SYMBOLS + 1)
+#define OPTION_EXCLUDE_ALL_SYMBOLS (OPTION_EXCLUDE_SYMBOLS + 1)
+#define OPTION_KILL_ATS (OPTION_EXCLUDE_ALL_SYMBOLS + 1)
#define OPTION_STDCALL_ALIASES (OPTION_KILL_ATS + 1)
#define OPTION_ENABLE_STDCALL_FIXUP (OPTION_STDCALL_ALIASES + 1)
#define OPTION_DISABLE_STDCALL_FIXUP (OPTION_ENABLE_STDCALL_FIXUP + 1)
(OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2 + 1)
#define OPTION_USE_NUL_PREFIXED_IMPORT_TABLES \
(OPTION_EXCLUDE_MODULES_FOR_IMPLIB + 1)
-#define OPTION_ENABLE_LONG_SECTION_NAMES \
+#define OPTION_NO_LEADING_UNDERSCORE \
(OPTION_USE_NUL_PREFIXED_IMPORT_TABLES + 1)
+#define OPTION_LEADING_UNDERSCORE \
+ (OPTION_NO_LEADING_UNDERSCORE + 1)
+#define OPTION_ENABLE_LONG_SECTION_NAMES \
+ (OPTION_LEADING_UNDERSCORE + 1)
#define OPTION_DISABLE_LONG_SECTION_NAMES \
(OPTION_ENABLE_LONG_SECTION_NAMES + 1)
+/* DLLCharacteristics flags */
+#define OPTION_DYNAMIC_BASE (OPTION_DISABLE_LONG_SECTION_NAMES + 1)
+#define OPTION_FORCE_INTEGRITY (OPTION_DYNAMIC_BASE + 1)
+#define OPTION_NX_COMPAT (OPTION_FORCE_INTEGRITY + 1)
+#define OPTION_NO_ISOLATION (OPTION_NX_COMPAT + 1)
+#define OPTION_NO_SEH (OPTION_NO_ISOLATION + 1)
+#define OPTION_NO_BIND (OPTION_NO_SEH + 1)
+#define OPTION_WDM_DRIVER (OPTION_NO_BIND + 1)
+#define OPTION_TERMINAL_SERVER_AWARE (OPTION_WDM_DRIVER + 1)
static void
gld${EMULATION_NAME}_add_options
- (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
- struct option **longopts, int nrl ATTRIBUTE_UNUSED,
- struct option **really_longopts ATTRIBUTE_UNUSED)
+ (int ns ATTRIBUTE_UNUSED,
+ char **shortopts ATTRIBUTE_UNUSED,
+ int nl,
+ struct option **longopts,
+ int nrl ATTRIBUTE_UNUSED,
+ struct option **really_longopts ATTRIBUTE_UNUSED)
{
- static const struct option xtra_long[] = {
- /* PE options */
+ static const struct option xtra_long[] =
+ {
+ /* PE options. */
{"base-file", required_argument, NULL, OPTION_BASE_FILE},
{"dll", no_argument, NULL, OPTION_DLL},
{"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
{"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
{"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 */
+ /* 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},
{"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},
{"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
{"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 = (struct option *)
- 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));
}
int 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 to target's
+ settings. */
+ bfd_boolean is_c_symbol;
} definfo;
-#define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0}
+/* Get symbol name dependent to kind and C visible state of
+ underscore. */
+#define GET_INIT_SYMBOL_NAME(IDX) \
+ (init[(IDX)].symbol \
+ + ((init[(IDX)].is_c_symbol == FALSE || (is_underscoring () != 0)) ? 0 : 1))
+
+/* Decorates the C visible symbol by underscore, if target requires. */
+#define U(CSTR) \
+ ((is_underscoring () == 0) ? CSTR : "_" CSTR)
+
+/* Get size of constant string for a possible underscore prefixed
+ C visible symbol. */
+#define U_SIZE(CSTR) \
+ (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
+
+#define D(field,symbol,def,usc) {&pe.field,sizeof(pe.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, U ("__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__", 1),
- D(MinorImageVersion,"__minor_image_version__", 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__", 1, FALSE),
+ D(MinorImageVersion,"__minor_image_version__", 0, FALSE),
#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_wince_pe)
- D(MajorSubsystemVersion,"__major_subsystem_version__", 3),
+ D(MajorSubsystemVersion,"__major_subsystem_version__", 3, FALSE),
#else
- D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
+ D(MajorSubsystemVersion,"__major_subsystem_version__", 4, FALSE),
#endif
- D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
- 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(MinorSubsystemVersion,"__minor_subsystem_version__", 0, 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"));
fprintf (file, _(" --thumb-entry=<symbol> Set the entry point to be Thumb <symbol>\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, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
an importlib, use <string><basename>.dll\n\
in preference to lib<basename>.dll \n"));
- fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\
+ fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
__imp_sym for DATA references\n"));
fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\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"));
}
set_pe_name (char *name, long val)
{
int i;
+ is_underscoring ();
/* 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;
abort ();
}
+static void
+set_entry_point (void)
+{
+ const char *entry;
+ const char *initial_symbol_char;
+ int i;
+
+ 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)
+ {
+#if defined (TARGET_IS_i386pe)
+ entry = "DllMainCRTStartup@12";
+#else
+ entry = "DllMainCRTStartup";
+#endif
+ }
+ else
+ {
+
+ for (i = 0; v[i].entry; i++)
+ if (v[i].value == pe_subsystem)
+ break;
+
+ /* If no match, use the default. */
+ if (v[i].entry != NULL)
+ entry = v[i].entry;
+ else
+ entry = default_entry;
+ }
+
+ initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
+
+ 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_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;
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, ':');
{
len = sver - optarg;
set_pe_name ("__major_subsystem_version__",
- strtoul (sver + 1, &end, 0));
+ strtoul (sver + 1, &end, 0));
if (*end == '.')
set_pe_name ("__minor_subsystem_version__",
- strtoul (end + 1, &end, 0));
+ strtoul (end + 1, &end, 0));
if (*end != '\0')
einfo (_("%P: warning: bad version number in -subsystem option\n"));
}
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;
+ pe_subsystem = (int) temp_subsystem;
}
else
{
return;
}
- entry = v[i].entry;
- subsystem = v[i].value;
- }
-
- 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;
+ pe_subsystem = v[i].value;
}
- lang_default_entry (entry);
+ set_pe_name ("__subsystem__", pe_subsystem);
return;
}
case OPTION_BASE_FILE:
link_info.base_file = fopen (optarg, FOPEN_WB);
if (link_info.base_file == NULL)
- {
- /* xgettext:c-format */
- fprintf (stderr, _("%s: Can't open base file %s\n"),
- program_name, optarg);
- xexit (1);
- }
+ einfo (_("%F%P: cannot open base file %s\n"), optarg);
break;
/* PE options. */
case OPTION_USE_NUL_PREFIXED_IMPORT_TABLES:
pe_use_nul_prefixed_import_tables = TRUE;
break;
+ case OPTION_NO_LEADING_UNDERSCORE:
+ pe_leading_underscore = 0;
+ break;
+ case OPTION_LEADING_UNDERSCORE:
+ pe_leading_underscore = 1;
+ break;
#ifdef DLL_SUPPORT
case OPTION_OUT_DEF:
pe_out_def_filename = xstrdup (optarg);
case OPTION_EXCLUDE_SYMBOLS:
pe_dll_add_excludes (optarg, EXCLUDESYMS);
break;
+ case OPTION_EXCLUDE_ALL_SYMBOLS:
+ pe_dll_exclude_all_symbols = 1;
+ break;
case OPTION_EXCLUDE_LIBS:
pe_dll_add_excludes (optarg, EXCLUDELIBS);
break;
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 =
+ DEFAULT_PSEUDO_RELOC_VERSION;
break;
case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
link_info.pei386_runtime_pseudo_reloc = 1;
case OPTION_DISABLE_LONG_SECTION_NAMES:
pe_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_pe_name ("__dll_characteristics__", pe_dll_characteristics);
+
return TRUE;
}
\f
names and insert the defaults. */
int j;
+ is_underscoring ();
+
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 = (pe_enable_auto_image_base) ?
- compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
+ init[IMAGEBASEOFF].value = (pe_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;
{
long val = init[j].value;
lang_assignment_statement_type *rv;
- rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
- exp_intop (val)));
+
+ rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
+ exp_intop (val), FALSE));
if (init[j].size == sizeof (short))
*(short *) init[j].ptr = val;
else if (init[j].size == sizeof (int))
/* Restore the pointer. */
pop_stat_ptr ();
- if (pe.FileAlignment >
- pe.SectionAlignment)
+ if (pe.FileAlignment > pe.SectionAlignment)
{
einfo (_("%P: warning, file alignment > section alignment.\n"));
}
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 ();
}
/* pe-dll.c directly accesses pe_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] == '@')
{
pe_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 (lead_at)
+ at = strchr (undef->root.string + 1, '@');
- if (at && !lead_at)
+ 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)
for (i = 0; i < nsyms; i++)
{
- if (! CONST_STRNEQ (symbols[i]->name, U ("_head_")))
+ 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 (U ("_head_")) - 1);
+ pe_data_import_dll = (char *) (symbols[i]->name
+ + U_SIZE ("_head_") - 1);
break;
}
static bfd_boolean
pr_sym (struct bfd_hash_entry *h, void *inf ATTRIBUTE_UNUSED)
{
- if (pe_dll_extra_pe_debug)
- printf ("+%s\n", h->string);
+ printf ("+%s\n", h->string);
return TRUE;
}
#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)
{
+ after_open_default ();
+
#ifdef DLL_SUPPORT
if (pe_dll_extra_pe_debug)
{
pe_data (link_info.output_bfd)->pe_opthdr = pe;
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 (pe_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)
+ {
+ pe_use_coff_long_section_names = 1;
+ break;
+ }
+ }
+ }
+
pe_output_file_set_long_section_names (link_info.output_bfd);
#ifdef DLL_SUPPORT
pe_find_data_imports ();
+ /* As possibly new symbols are added by imports, we rerun
+ stdcall/fastcall fixup here. */
+ if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
+ pe_fixup_stdcalls ();
+
#if defined (TARGET_IS_i386pe) \
|| defined (TARGET_IS_armpe) \
|| defined (TARGET_IS_arm_epoc_pe) \
}
symbols = bfd_get_outsymbols (is->the_bfd);
- relocs = (arelent **) xmalloc ((size_t) relsize);
+ relocs = xmalloc ((size_t) relsize);
nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
relocs, symbols);
if (nrelocs < 0)
? bfd_get_filename (blhe->u.def.section->owner->my_archive)
: bfd_get_filename (blhe->u.def.section->owner);
- if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
- other_bfd_filename) == 0)
+ if (filename_cmp (bfd_get_filename
+ (is->the_bfd->my_archive),
+ other_bfd_filename) == 0)
continue;
/* Rename this implib to match the other one. */
extension, and use that for the remainder of the
comparisons. */
pnt = strrchr (is3->the_bfd->filename, '.');
- if (pnt != NULL && strcmp (pnt, ".dll") == 0)
+ if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
break;
}
/* Skip static members, ie anything with a .obj
extension. */
pnt = strrchr (is2->the_bfd->filename, '.');
- if (pnt != NULL && strcmp (pnt, ".obj") == 0)
+ if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
continue;
- if (strcmp (is3->the_bfd->filename,
- is2->the_bfd->filename))
+ if (filename_cmp (is3->the_bfd->filename,
+ is2->the_bfd->filename))
{
is_ms_arch = 0;
break;
then leave the filename alone. */
pnt = strrchr (is->the_bfd->filename, '.');
- if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
+ if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
{
int idata2 = 0, reloc_count=0;
asection *sec;
/* 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))
+ if (blhe != NULL
+ && blhe->type == bfd_link_hash_defined
+ && blhe->u.undef.next == NULL
+ && blhe != link_info.hash->undefs_tail)
stub_sec->flags |= SEC_EXCLUDE;
}
}
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;
}
#ifdef DLL_SUPPORT
const char *ext = entry->filename + strlen (entry->filename) - 4;
- if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
+ if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
{
pe_def_file = def_file_parse (entry->filename, pe_def_file);
buflen = len + 2;
}
- buf = (char *) xmalloc (buflen);
+ buf = xmalloc (buflen);
for (i = 0; i < pe_def_file->num_exports; i++)
{
struct bfd_link_hash_entry *h;
- sprintf (buf, "%s%s", U (""), 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)
= pe_def_file->base_address;
init[IMAGEBASEOFF].inited = 1;
if (image_base_statement)
- image_base_statement->exp = exp_assop ('=', "__image_base__",
- exp_intop (pe.ImageBase));
+ image_base_statement->exp
+ = exp_assign ("__image_base__", exp_intop (pe.ImageBase),
+ FALSE);
}
if (pe_def_file->stack_reserve != -1
#ifdef TARGET_IS_shpe
pe_dll_id_target ("pei-shl");
#endif
-#ifdef TARGET_IS_mipspe
- pe_dll_id_target ("pei-mips");
-#endif
#ifdef TARGET_IS_armpe
pe_dll_id_target ("pei-arm-little");
#endif
#ifdef DLL_SUPPORT
if (link_info.shared
-#if !defined(TARGET_IS_shpe) && !defined(TARGET_IS_mipspe)
- || (!link_info.relocatable && pe_def_file->num_exports != 0)
+#if !defined(TARGET_IS_shpe)
+ || (!link_info.relocatable && pe_def_file->num_exports != 0)
#endif
)
{
if (pe_implib_filename)
pe_dll_generate_implib (pe_def_file, pe_implib_filename, &link_info);
}
-#if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
+#if defined(TARGET_IS_shpe)
/* ARM doesn't need relocs. */
else
{
char *dollar = NULL;
lang_output_section_statement_type *os;
lang_statement_list_type add_child;
+ 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. */
if (!link_info.relocatable
lang_list_init (&add_child);
- if (constraint == 0
- && (os = lang_output_section_find (secname)) != 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, NULL, 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 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, NULL, match_by_name);
+ return match_by_name;
}
- else
+
+ if (os == NULL)
{
static struct orphan_save hold[] =
{
{ ".text",
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
0, 0, 0, 0 },
+ { ".idata",
+ SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
+ 0, 0, 0, 0 },
{ ".rdata",
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
0, 0, 0, 0 },
enum orphan_save_index
{
orphan_text = 0,
+ orphan_idata,
orphan_rodata,
orphan_data,
orphan_bss
else if ((s->flags & SEC_READONLY) == 0)
place = &hold[orphan_data];
else if ((s->flags & SEC_CODE) == 0)
- place = &hold[orphan_rodata];
+ {
+ place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
+ : &hold[orphan_rodata]);
+ }
else
place = &hold[orphan_text];
->output_section_statement);
}
- /* All sections in an executable must be aligned to a page boundary. */
+ /* All sections in an executable must be aligned to a page boundary.
+ In a relocatable link, just preserve the incoming alignment; the
+ address is discarded by lang_insert_orphan in that case, anyway. */
address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
os = lang_insert_orphan (s, secname, constraint, after, place, address,
&add_child);
+ if (link_info.relocatable)
+ {
+ os->section_alignment = s->alignment_power;
+ os->bfd_section->alignment_power = s->alignment_power;
+ }
}
- {
- 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 os;
}
static bfd_boolean
gld_${EMULATION_NAME}_open_dynamic_archive
- (const char *arch ATTRIBUTE_UNUSED, search_dirs_type *search,
+ (const char *arch ATTRIBUTE_UNUSED,
+ search_dirs_type *search,
lang_input_statement_type *entry)
{
static const struct
unsigned int i;
- if (! entry->is_archive)
+ if (! entry->flags.maybe_archive)
return FALSE;
filename = entry->filename;
echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
-echo ' ; else if (link_info.pei386_auto_import == 1) return' >> e${EMULATION_NAME}.c
+echo ' ; else if (link_info.pei386_auto_import == 1 && (MERGE_RDATA_V2 || link_info.pei386_runtime_pseudo_reloc != 2)) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
fi
echo ' ; else return' >> e${EMULATION_NAME}.c
projects / deliverable / binutils-gdb.git / blobdiff