diff options
Diffstat (limited to 'contrib/binutils/ld/emultempl/pe.em')
| -rw-r--r-- | contrib/binutils/ld/emultempl/pe.em | 1952 |
1 files changed, 0 insertions, 1952 deletions
diff --git a/contrib/binutils/ld/emultempl/pe.em b/contrib/binutils/ld/emultempl/pe.em deleted file mode 100644 index 7d6c2e8a6d1f..000000000000 --- a/contrib/binutils/ld/emultempl/pe.em +++ /dev/null @@ -1,1952 +0,0 @@ -# This shell script emits a C file. -*- C -*- -# It does some substitutions. -if [ -z "$MACHINE" ]; then - OUTPUT_ARCH=${ARCH} -else - OUTPUT_ARCH=${ARCH}:${MACHINE} -fi -rm -f e${EMULATION_NAME}.c -(echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-) -cat >>e${EMULATION_NAME}.c <<EOF -/* This file is part of GLD, the Gnu Linker. - Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 - Free Software Foundation, Inc. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -/* For WINDOWS_NT */ -/* The original file generated returned different default scripts depending - on whether certain switches were set, but these switches pertain to the - Linux system and that particular version of coff. In the NT case, we - only determine if the subsystem is console or windows in order to select - the correct entry point by default. */ - -#define TARGET_IS_${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" -#include "sysdep.h" -#include "bfdlink.h" -#include "getopt.h" -#include "libiberty.h" -#include "ld.h" -#include "ldmain.h" -#include "ldexp.h" -#include "ldlang.h" -#include "ldfile.h" -#include "ldemul.h" -#include <ldgram.h> -#include "ldlex.h" -#include "ldmisc.h" -#include "ldctor.h" -#include "coff/internal.h" - -/* FIXME: This is a BFD internal header file, and we should not be - using it here. */ -#include "../bfd/libcoff.h" - -#include "deffile.h" -#include "pe-dll.h" -#include "safe-ctype.h" - -/* Permit the emulation parameters to override the default section - alignment by setting OVERRIDE_SECTION_ALIGNMENT. FIXME: This makes - it seem that include/coff/internal.h should not define - PE_DEF_SECTION_ALIGNMENT. */ -#if PE_DEF_SECTION_ALIGNMENT != ${OVERRIDE_SECTION_ALIGNMENT:-PE_DEF_SECTION_ALIGNMENT} -#undef PE_DEF_SECTION_ALIGNMENT -#define PE_DEF_SECTION_ALIGNMENT ${OVERRIDE_SECTION_ALIGNMENT} -#endif - -#if defined(TARGET_IS_i386pe) -#define DLL_SUPPORT -#endif -#if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe) || defined(TARGET_IS_armpe) -#define DLL_SUPPORT -#endif - -#if defined(TARGET_IS_i386pe) || ! defined(DLL_SUPPORT) -#define PE_DEF_SUBSYSTEM 3 -#else -#undef NT_EXE_IMAGE_BASE -#undef PE_DEF_SECTION_ALIGNMENT -#undef PE_DEF_FILE_ALIGNMENT -#define NT_EXE_IMAGE_BASE 0x00010000 -#ifdef TARGET_IS_armpe -#define PE_DEF_SECTION_ALIGNMENT 0x00001000 -#define PE_DEF_SUBSYSTEM 9 -#else -#define PE_DEF_SECTION_ALIGNMENT 0x00000400 -#define PE_DEF_SUBSYSTEM 2 -#endif -#define PE_DEF_FILE_ALIGNMENT 0x00000200 -#endif - - -static struct internal_extra_pe_aouthdr pe; -static int dll; -static int support_old_code = 0; -static char * thumb_entry_symbol = NULL; -static lang_assignment_statement_type *image_base_statement = 0; - -#ifdef DLL_SUPPORT -static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */ -static char *pe_out_def_filename = NULL; -static char *pe_implib_filename = NULL; -static int pe_enable_auto_image_base = 0; -static char *pe_dll_search_prefix = NULL; -#endif - -extern const char *output_filename; - -static void -gld_${EMULATION_NAME}_before_parse (void) -{ - 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; - -#if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2) -#if defined TARGET_IS_mipspe || defined TARGET_IS_armpe - lang_add_entry ("WinMainCRTStartup", FALSE); -#else - lang_add_entry ("_WinMainCRTStartup", FALSE); -#endif -#endif -#endif -} - -/* PE format extra command line options. */ - -/* Used for setting flags in the PE header. */ -#define OPTION_BASE_FILE (300 + 1) -#define OPTION_DLL (OPTION_BASE_FILE + 1) -#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1) -#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1) -#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1) -#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1) -#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1) -#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1) -#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1) -#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1) -#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1) -#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1) -#define OPTION_SUBSYSTEM (OPTION_STACK + 1) -#define OPTION_HEAP (OPTION_SUBSYSTEM + 1) -#define OPTION_SUPPORT_OLD_CODE (OPTION_HEAP + 1) -#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_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) -#define OPTION_IMPLIB_FILENAME (OPTION_DISABLE_STDCALL_FIXUP + 1) -#define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1) -#define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1) -#define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1) -#define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1) -#define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1) -#define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1) -#define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1) -#define OPTION_DLL_ENABLE_AUTO_IMPORT (OPTION_NO_DEFAULT_EXCLUDES + 1) -#define OPTION_DLL_DISABLE_AUTO_IMPORT (OPTION_DLL_ENABLE_AUTO_IMPORT + 1) -#define OPTION_ENABLE_EXTRA_PE_DEBUG (OPTION_DLL_DISABLE_AUTO_IMPORT + 1) -#define OPTION_EXCLUDE_LIBS (OPTION_ENABLE_EXTRA_PE_DEBUG + 1) -#define OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC \ - (OPTION_EXCLUDE_LIBS + 1) -#define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC \ - (OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 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) -{ - 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}, - {"heap", required_argument, NULL, OPTION_HEAP}, - {"image-base", required_argument, NULL, OPTION_IMAGE_BASE}, - {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION}, - {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION}, - {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION}, - {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION}, - {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION}, - {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION}, - {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT}, - {"stack", required_argument, NULL, OPTION_STACK}, - {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM}, - {"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE}, - {"thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, -#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}, - {"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-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS}, - {"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}, - {"disable-stdcall-fixup", no_argument, NULL, OPTION_DISABLE_STDCALL_FIXUP}, - {"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME}, - {"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS}, - /* getopt() allows abbreviations, so we do this to stop it from - treating -c as an abbreviation for these --compat-implib. */ - {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, - {"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT}, - {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE}, - {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE}, - {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX}, - {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES}, - {"enable-auto-import", no_argument, NULL, OPTION_DLL_ENABLE_AUTO_IMPORT}, - {"disable-auto-import", no_argument, NULL, OPTION_DLL_DISABLE_AUTO_IMPORT}, - {"enable-extra-pe-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}, -#endif - {NULL, no_argument, NULL, 0} - }; - - *longopts = (struct option *) - xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long)); - memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long)); -} - -/* PE/WIN32; added routines to get the subsystem type, heap and/or stack - parameters which may be input from the command line. */ - -typedef struct -{ - void *ptr; - int size; - int value; - char *symbol; - int inited; -} definfo; - -#define D(field,symbol,def) {&pe.field,sizeof(pe.field), def, symbol,0} - -static definfo init[] = -{ - /* imagebase must be first */ -#define IMAGEBASEOFF 0 - D(ImageBase,"__image_base__", NT_EXE_IMAGE_BASE), -#define DLLOFF 1 - {&dll, sizeof(dll), 0, "__dll__", 0}, - 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), -#ifdef TARGET_IS_armpe - D(MajorSubsystemVersion,"__major_subsystem_version__", 2), -#else - D(MajorSubsystemVersion,"__major_subsystem_version__", 4), -#endif - D(MinorSubsystemVersion,"__minor_subsystem_version__", 0), - D(Subsystem,"__subsystem__", ${SUBSYSTEM}), - D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000), - D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000), - D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000), - D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000), - D(LoaderFlags,"__loader_flags__", 0x0), - { NULL, 0, 0, NULL, 0 } -}; - - -static void -gld_${EMULATION_NAME}_list_options (FILE *file) -{ - fprintf (file, _(" --base_file <basefile> Generate a base file for relocatable DLLs\n")); - fprintf (file, _(" --dll Set image base to the default for DLLs\n")); - fprintf (file, _(" --file-alignment <size> Set file alignment\n")); - fprintf (file, _(" --heap <size> Set initial size of the heap\n")); - fprintf (file, _(" --image-base <address> Set start address of the executable\n")); - fprintf (file, _(" --major-image-version <number> Set version number of the executable\n")); - fprintf (file, _(" --major-os-version <number> Set minimum required OS version\n")); - fprintf (file, _(" --major-subsystem-version <number> Set minimum required OS subsystem version\n")); - fprintf (file, _(" --minor-image-version <number> Set revision number of the executable\n")); - fprintf (file, _(" --minor-os-version <number> Set minimum required OS revision\n")); - fprintf (file, _(" --minor-subsystem-version <number> Set minimum required OS subsystem revision\n")); - fprintf (file, _(" --section-alignment <size> Set section alignment\n")); - 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, _(" --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-libs lib,lib,... Exclude libraries from automatic export\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")); - fprintf (file, _(" --output-def <file> Generate a .DEF file for the built DLL\n")); - fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n")); - fprintf (file, _(" --compat-implib Create backward compatible import libs;\n\ - create __imp_<SYMBOL> as well.\n")); - fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n\ - unless user specifies one\n")); - fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\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\ - __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\ - adding pseudo-relocations resolved at\n\ - runtime.\n")); - fprintf (file, _(" --disable-runtime-pseudo-reloc Do not add runtime pseudo-relocations for\n\ - auto-imported DATA.\n")); - fprintf (file, _(" --enable-extra-pe-debug Enable verbose debug output when building\n\ - or linking to DLLs (esp. auto-import)\n")); -#endif -} - - -static void -set_pe_name (char *name, long val) -{ - int i; - - /* Find the name and set it. */ - for (i = 0; init[i].ptr; i++) - { - if (strcmp (name, init[i].symbol) == 0) - { - init[i].value = val; - init[i].inited = 1; - return; - } - } - abort (); -} - - -static void -set_pe_subsystem (void) -{ - const char *sver; - int len; - int i; - static const struct - { - const char *name; - const int value; - const char *entry; - } - v[] = - { - { "native", 1, "NtProcessStartup" }, -#if defined TARGET_IS_mipspe || defined TARGET_IS_armpe - { "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 } - }; - - 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)); - if (*end == '.') - set_pe_name ("__minor_subsystem_version__", - strtoul (end + 1, &end, 0)); - if (*end != '\0') - einfo (_("%P: warning: bad version number in -subsystem option\n")); - } - - for (i = 0; v[i].name; i++) - { - 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); - - initial_symbol_char = ${INITIAL_SYMBOL_CHAR}; - if (*initial_symbol_char == '\0') - entry = v[i].entry; - else - { - char *alc_entry; - - /* lang_add_entry expects its argument to be permanently - allocated, so we don't free this string. */ - alc_entry = xmalloc (strlen (initial_symbol_char) - + strlen (v[i].entry) - + 1); - strcpy (alc_entry, initial_symbol_char); - strcat (alc_entry, v[i].entry); - entry = alc_entry; - } - - lang_add_entry (entry, TRUE); - - return; - } - } - - einfo (_("%P%F: invalid subsystem type %s\n"), optarg); -} - - -static void -set_pe_value (char *name) -{ - char *end; - - set_pe_name (name, strtoul (optarg, &end, 0)); - - if (end == optarg) - einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg); - - optarg = end; -} - - -static void -set_pe_stack_heap (char *resname, char *comname) -{ - set_pe_value (resname); - - if (*optarg == ',') - { - optarg++; - set_pe_value (comname); - } - else if (*optarg) - einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg); -} - - -static bfd_boolean -gld${EMULATION_NAME}_handle_option (int optc) -{ - switch (optc) - { - default: - return FALSE; - - 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); - } - break; - - /* PE options. */ - case OPTION_HEAP: - set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); - break; - case OPTION_STACK: - set_pe_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__"); - break; - case OPTION_SUBSYSTEM: - set_pe_subsystem (); - break; - case OPTION_MAJOR_OS_VERSION: - set_pe_value ("__major_os_version__"); - break; - case OPTION_MINOR_OS_VERSION: - set_pe_value ("__minor_os_version__"); - break; - case OPTION_MAJOR_SUBSYSTEM_VERSION: - set_pe_value ("__major_subsystem_version__"); - break; - case OPTION_MINOR_SUBSYSTEM_VERSION: - set_pe_value ("__minor_subsystem_version__"); - break; - case OPTION_MAJOR_IMAGE_VERSION: - set_pe_value ("__major_image_version__"); - break; - case OPTION_MINOR_IMAGE_VERSION: - set_pe_value ("__minor_image_version__"); - break; - case OPTION_FILE_ALIGNMENT: - set_pe_value ("__file_alignment__"); - break; - case OPTION_SECTION_ALIGNMENT: - set_pe_value ("__section_alignment__"); - break; - case OPTION_DLL: - set_pe_name ("__dll__", 1); - break; - case OPTION_IMAGE_BASE: - set_pe_value ("__image_base__"); - break; - case OPTION_SUPPORT_OLD_CODE: - support_old_code = 1; - break; - case OPTION_THUMB_ENTRY: - thumb_entry_symbol = optarg; - break; -#ifdef DLL_SUPPORT - case OPTION_OUT_DEF: - pe_out_def_filename = xstrdup (optarg); - break; - case OPTION_EXPORT_ALL: - pe_dll_export_everything = 1; - break; - case OPTION_EXCLUDE_SYMBOLS: - pe_dll_add_excludes (optarg, 0); - break; - case OPTION_EXCLUDE_LIBS: - pe_dll_add_excludes (optarg, 1); - break; - case OPTION_KILL_ATS: - pe_dll_kill_ats = 1; - break; - case OPTION_STDCALL_ALIASES: - pe_dll_stdcall_aliases = 1; - break; - case OPTION_ENABLE_STDCALL_FIXUP: - pe_enable_stdcall_fixup = 1; - break; - case OPTION_DISABLE_STDCALL_FIXUP: - pe_enable_stdcall_fixup = 0; - break; - case OPTION_IMPLIB_FILENAME: - pe_implib_filename = xstrdup (optarg); - break; - case OPTION_WARN_DUPLICATE_EXPORTS: - pe_dll_warn_dup_exports = 1; - break; - case OPTION_IMP_COMPAT: - pe_dll_compat_implib = 1; - break; - case OPTION_ENABLE_AUTO_IMAGE_BASE: - pe_enable_auto_image_base = 1; - break; - case OPTION_DISABLE_AUTO_IMAGE_BASE: - pe_enable_auto_image_base = 0; - break; - case OPTION_DLL_SEARCH_PREFIX: - pe_dll_search_prefix = xstrdup (optarg); - break; - case OPTION_NO_DEFAULT_EXCLUDES: - pe_dll_do_default_excludes = 0; - break; - case OPTION_DLL_ENABLE_AUTO_IMPORT: - link_info.pei386_auto_import = 1; - break; - case OPTION_DLL_DISABLE_AUTO_IMPORT: - link_info.pei386_auto_import = 0; - break; - case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC: - link_info.pei386_runtime_pseudo_reloc = 1; - break; - case OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC: - link_info.pei386_runtime_pseudo_reloc = 0; - break; - case OPTION_ENABLE_EXTRA_PE_DEBUG: - pe_dll_extra_pe_debug = 1; - break; -#endif - } - return TRUE; -} - - -#ifdef DLL_SUPPORT -static unsigned long -strhash (const char *str) -{ - const unsigned char *s; - unsigned long hash; - unsigned int c; - unsigned int len; - - hash = 0; - len = 0; - s = (const unsigned char *) str; - while ((c = *s++) != '\0') - { - hash += c + (c << 17); - hash ^= hash >> 2; - ++len; - } - hash += len + (len << 17); - hash ^= hash >> 2; - - return hash; -} - -/* Use the output file to create a image base for relocatable DLLs. */ - -static unsigned long -compute_dll_image_base (const char *ofile) -{ - unsigned long hash = strhash (ofile); - return 0x60000000 | ((hash << 16) & 0x0FFC0000); -} -#endif - -/* Assign values to the special symbols before the linker script is - read. */ - -static void -gld_${EMULATION_NAME}_set_symbols (void) -{ - /* Run through and invent symbols for all the - names and insert the defaults. */ - int j; - lang_statement_list_type *save; - - if (!init[IMAGEBASEOFF].inited) - { - if (link_info.relocatable) - init[IMAGEBASEOFF].value = 0; - else if (init[DLLOFF].value || link_info.shared) -#ifdef DLL_SUPPORT - init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ? - compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE; -#else - init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE; -#endif - else - init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE; - } - - /* Don't do any symbol assignments if this is a relocatable link. */ - if (link_info.relocatable) - return; - - /* Glue the assignments into the abs section. */ - save = stat_ptr; - - stat_ptr = &(abs_output_section->children); - - for (j = 0; init[j].ptr; j++) - { - long val = init[j].value; - lang_assignment_statement_type *rv; - rv = lang_add_assignment (exp_assop ('=', init[j].symbol, - exp_intop (val))); - if (init[j].size == sizeof (short)) - *(short *) init[j].ptr = val; - else if (init[j].size == sizeof (int)) - *(int *) init[j].ptr = val; - else if (init[j].size == sizeof (long)) - *(long *) init[j].ptr = val; - /* This might be a long long or other special type. */ - else if (init[j].size == sizeof (bfd_vma)) - *(bfd_vma *) init[j].ptr = val; - else abort (); - if (j == IMAGEBASEOFF) - image_base_statement = rv; - } - /* Restore the pointer. */ - stat_ptr = save; - - if (pe.FileAlignment > - pe.SectionAlignment) - { - einfo (_("%P: warning, file alignment > section alignment.\n")); - } -} - -/* This is called after the linker script and the command line options - have been read. */ - -static void -gld_${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); -} - -/* pe-dll.c directly accesses pe_data_import_dll, - so it must be defined outside of #ifdef DLL_SUPPORT. - Note - this variable is deliberately not initialised. - This allows it to be treated as a common varaible, and only - exist in one incarnation in a multiple target enabled linker. */ -char * pe_data_import_dll; - -#ifdef DLL_SUPPORT -static struct bfd_link_hash_entry *pe_undef_found_sym; - -static bfd_boolean -pe_undef_cdecl_match (struct bfd_link_hash_entry *h, void *inf) -{ - int sl; - char *string = inf; - - sl = strlen (string); - if (h->type == bfd_link_hash_defined - && strncmp (h->root.string, string, sl) == 0 - && h->root.string[sl] == '@') - { - pe_undef_found_sym = h; - return FALSE; - } - return TRUE; -} - -static void -pe_fixup_stdcalls (void) -{ - static int gave_warning_message = 0; - struct bfd_link_hash_entry *undef, *sym; - - if (pe_dll_extra_pe_debug) - printf ("%s\n", __FUNCTION__); - - for (undef = link_info.hash->undefs; undef; undef=undef->und_next) - if (undef->type == bfd_link_hash_undefined) - { - 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) - { - /* 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 */); - at = strchr (cname, '@'); - *at = 0; - sym = bfd_link_hash_lookup (link_info.hash, cname, 0, 0, 1); - - if (sym && sym->type == bfd_link_hash_defined) - { - undef->type = bfd_link_hash_defined; - undef->u.def.value = sym->u.def.value; - undef->u.def.section = sym->u.def.section; - - if (pe_enable_stdcall_fixup == -1) - { - einfo (_("Warning: resolving %s by linking to %s\n"), - undef->root.string, cname); - if (! gave_warning_message) - { - gave_warning_message = 1; - einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); - einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); - } - } - } - } - else - { - /* The symbol is a cdecl symbol, so we look for stdcall - symbols - which means scanning the whole symbol table. */ - pe_undef_found_sym = 0; - bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match, - (char *) undef->root.string); - sym = pe_undef_found_sym; - if (sym) - { - undef->type = bfd_link_hash_defined; - undef->u.def.value = sym->u.def.value; - undef->u.def.section = sym->u.def.section; - - if (pe_enable_stdcall_fixup == -1) - { - einfo (_("Warning: resolving %s by linking to %s\n"), - undef->root.string, sym->root.string); - if (! gave_warning_message) - { - gave_warning_message = 1; - einfo (_("Use --enable-stdcall-fixup to disable these warnings\n")); - einfo (_("Use --disable-stdcall-fixup to disable these fixups\n")); - } - } - } - } - } -} - -static int -make_import_fixup (arelent *rel, asection *s) -{ - struct bfd_symbol *sym = *rel->sym_ptr_ptr; - int addend = 0; - - 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))) - einfo (_("%C: Cannot get section contents - auto-import exception\n"), - s->owner, s, rel->address); - - pe_create_import_fixup (rel, s, addend); - - return 1; -} - -static void -pe_find_data_imports (void) -{ - struct bfd_link_hash_entry *undef, *sym; - - if (link_info.pei386_auto_import == 0) - return; - - for (undef = link_info.hash->undefs; undef; undef=undef->und_next) - { - if (undef->type == bfd_link_hash_undefined) - { - /* 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); - - sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1); - - if (sym && sym->type == bfd_link_hash_defined) - { - bfd *b = sym->u.def.section->owner; - asymbol **symbols; - int nsyms, symsize, i; - - if (link_info.pei386_auto_import == -1) - info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"), - undef->root.string, buf); - - symsize = bfd_get_symtab_upper_bound (b); - symbols = (asymbol **) xmalloc (symsize); - nsyms = bfd_canonicalize_symtab (b, symbols); - - for (i = 0; i < nsyms; i++) - { - if (memcmp (symbols[i]->name, "__head_", - sizeof ("__head_") - 1)) - continue; - - if (pe_dll_extra_pe_debug) - printf ("->%s\n", symbols[i]->name); - - pe_data_import_dll = (char*) (symbols[i]->name + - sizeof ("__head_") - 1); - break; - } - - pe_walk_relocs_of_symbol (&link_info, undef->root.string, - make_import_fixup); - - /* Let's differentiate it somehow from defined. */ - undef->type = bfd_link_hash_defweak; - /* We replace original name with __imp_ prefixed, this - 1) may trash memory 2) leads to duplicate symbol generation. - Still, IMHO it's better than having name poluted. */ - undef->root.string = sym->root.string; - undef->u.def.value = sym->u.def.value; - undef->u.def.section = sym->u.def.section; - } - } - } -} - -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); - - return TRUE; -} -#endif /* DLL_SUPPORT */ - - -static void -gld_${EMULATION_NAME}_after_open (void) -{ -#ifdef DLL_SUPPORT - if (pe_dll_extra_pe_debug) - { - bfd *a; - struct bfd_link_hash_entry *sym; - - printf ("%s()\n", __FUNCTION__); - - for (sym = link_info.hash->undefs; sym; sym=sym->und_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) - printf ("*%s\n",a->filename); - } -#endif - - /* Pass the wacky PE command line options into the output bfd. - FIXME: This should be done via a function, rather than by - 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")); - - pe_data (output_bfd)->pe_opthdr = pe; - pe_data (output_bfd)->dll = init[DLLOFF].value; - -#ifdef DLL_SUPPORT - if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */ - pe_fixup_stdcalls (); - - pe_process_import_defs (output_bfd, & link_info); - - pe_find_data_imports (); - -#if ! (defined (TARGET_IS_i386pe) || defined (TARGET_IS_armpe)) - if (link_info.shared) -#else - 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); -#endif -#endif -#endif - -#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) - if (strstr (bfd_get_target (output_bfd), "arm") == NULL) - { - /* The arm backend needs special fields in the output hash structure. - These will only be created if the output format is an arm format, - hence we do not support linking and changing output formats at the - same time. Use a link followed by objcopy to change output formats. */ - einfo ("%F%X%P: error: cannot change output format whilst linking ARM binaries\n"); - return; - } - { - /* 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)) - break; - } - } -#endif - - { - /* This next chunk of code tries to detect the case where you have - two import libraries for the same DLL (specifically, - symbolically linking libm.a and libc.a in cygwin to - libcygwin.a). In those cases, it's possible for function - thunks from the second implib to be used but without the - head/tail objects, causing an improper import table. We detect - those cases and rename the "other" import libraries to match - the one the head/tail come from, so that the linker will sort - things nicely and produce a valid import table. */ - - LANG_FOR_EACH_INPUT_STATEMENT (is) - { - if (is->the_bfd->my_archive) - { - int idata2 = 0, reloc_count=0, is_imp = 0; - asection *sec; - - /* See if this is an import library thunk. */ - for (sec = is->the_bfd->sections; sec; sec = sec->next) - { - if (strcmp (sec->name, ".idata\$2") == 0) - idata2 = 1; - if (strncmp (sec->name, ".idata\$", 7) == 0) - is_imp = 1; - reloc_count += sec->reloc_count; - } - - if (is_imp && !idata2 && reloc_count) - { - /* It is, look for the reference to head and see if it's - from our own library. */ - for (sec = is->the_bfd->sections; sec; sec = sec->next) - { - int i; - long symsize; - long relsize; - asymbol **symbols; - arelent **relocs; - int nrelocs; - - symsize = bfd_get_symtab_upper_bound (is->the_bfd); - if (symsize < 1) - break; - relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec); - if (relsize < 1) - break; - - symbols = (asymbol **) xmalloc (symsize); - symsize = bfd_canonicalize_symtab (is->the_bfd, symbols); - if (symsize < 0) - { - einfo ("%X%P: unable to process symbols: %E"); - return; - } - - relocs = (arelent **) xmalloc ((size_t) relsize); - nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec, - relocs, symbols); - if (nrelocs < 0) - { - free (relocs); - einfo ("%X%P: unable to process relocs: %E"); - return; - } - - for (i = 0; i < nrelocs; i++) - { - struct bfd_symbol *s; - struct bfd_link_hash_entry * blhe; - bfd *other_bfd; - char *n; - - s = (relocs[i]->sym_ptr_ptr)[0]; - - if (s->flags & BSF_LOCAL) - continue; - - /* Thunk section with reloc to another bfd. */ - blhe = bfd_link_hash_lookup (link_info.hash, - s->name, - FALSE, FALSE, TRUE); - - if (blhe == NULL - || blhe->type != bfd_link_hash_defined) - continue; - - other_bfd = blhe->u.def.section->owner; - - if (strcmp (is->the_bfd->my_archive->filename, - other_bfd->my_archive->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); - - is->the_bfd->my_archive->filename = n; - } - - free (relocs); - /* Note - we do not free the symbols, - they are now cached in the BFD. */ - } - } - } - } - } - - { - 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, - and not in the right order for us to link them correctly. We - must detect these and rename the members so that they'll link - correctly. There are three types of objects: the head, the - thunks, and the sentinel(s). The head is easy; it's the one - with idata2. We assume that the sentinels won't have relocs, - and the thunks will. It's easier than checking the symbol - table for external references. */ - LANG_FOR_EACH_INPUT_STATEMENT (is) - { - 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 (is3 = is; - is3 && is3->the_bfd->my_archive == arch; - is3 = (lang_input_statement_type *) is3->next) - { - /* 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; - } - } - } - } - - /* 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; - char *new_name, seq; - - for (sec = is->the_bfd->sections; sec; sec = sec->next) - { - if (strcmp (sec->name, ".idata\$2") == 0) - idata2 = 1; - reloc_count += sec->reloc_count; - } - - if (idata2) /* .idata2 is the TOC */ - seq = 'a'; - else if (reloc_count > 0) /* thunks */ - seq = 'b'; - else /* sentinel */ - seq = 'c'; - - new_name = xmalloc (strlen (is->the_bfd->filename) + 3); - sprintf (new_name, "%s.%c", is->the_bfd->filename, seq); - is->the_bfd->filename = new_name; - - new_name = xmalloc (strlen (is->filename) + 3); - sprintf (new_name, "%s.%c", is->filename, seq); - is->filename = new_name; - } - } - } - } -} - -static void -gld_${EMULATION_NAME}_before_allocation (void) -{ -#ifdef TARGET_IS_ppcpe - /* Here we rummage through the found bfds to collect toc information. */ - { - LANG_FOR_EACH_INPUT_STATEMENT (is) - { - if (!ppc_process_before_allocation (is->the_bfd, &link_info)) - { - /* xgettext:c-format */ - einfo (_("Errors encountered processing file %s\n"), is->filename); - } - } - } - - /* We have seen it all. Allocate it, and carry on. */ - ppc_allocate_toc_section (&link_info); -#endif /* TARGET_IS_ppcpe */ - -#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) - /* FIXME: we should be able to set the size of the interworking stub - section. - - Here we rummage through the found bfds to collect glue - information. FIXME: should this be based on a command line - option? krk@cygnus.com. */ - { - LANG_FOR_EACH_INPUT_STATEMENT (is) - { - if (! bfd_arm_pe_process_before_allocation - (is->the_bfd, & link_info, support_old_code)) - { - /* xgettext:c-format */ - einfo (_("Errors encountered processing file %s for interworking"), - is->filename); - } - } - } - - /* We have seen it all. Allocate it, and carry on. */ - bfd_arm_pe_allocate_interworking_sections (& link_info); -#endif /* TARGET_IS_armpe */ -} - -#ifdef DLL_SUPPORT -/* This is called when an input file isn't recognized as a BFD. We - check here for .DEF files and pull them in automatically. */ - -static int -saw_option (char *option) -{ - int i; - - for (i = 0; init[i].ptr; i++) - if (strcmp (init[i].symbol, option) == 0) - return init[i].inited; - return 0; -} -#endif /* DLL_SUPPORT */ - -static bfd_boolean -gld_${EMULATION_NAME}_unrecognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) -{ -#ifdef DLL_SUPPORT - const char *ext = entry->filename + strlen (entry->filename) - 4; - - 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); - - if (pe_def_file) - { - int i, buflen=0, len; - char *buf; - - for (i = 0; i < pe_def_file->num_exports; i++) - { - len = strlen (pe_def_file->exports[i].internal_name); - if (buflen < len + 2) - buflen = len + 2; - } - - buf = (char *) xmalloc (buflen); - - for (i = 0; i < pe_def_file->num_exports; i++) - { - struct bfd_link_hash_entry *h; - - sprintf (buf, "_%s", 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) - einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n")); - if (h->type == bfd_link_hash_new) - { - h->type = bfd_link_hash_undefined; - h->u.undef.abfd = NULL; - bfd_link_add_undef (link_info.hash, h); - } - } - free (buf); - - /* def_file_print (stdout, pe_def_file); */ - if (pe_def_file->is_dll == 1) - link_info.shared = 1; - - if (pe_def_file->base_address != (bfd_vma)(-1)) - { - pe.ImageBase = - pe_data (output_bfd)->pe_opthdr.ImageBase = - init[IMAGEBASEOFF].value = 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)); - } - -#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__")) - { - pe.SizeOfStackReserve = pe_def_file->stack_reserve; - if (pe_def_file->stack_commit != -1) - pe.SizeOfStackCommit = pe_def_file->stack_commit; - } - if (pe_def_file->heap_reserve != -1 - && ! saw_option ("__size_of_heap_reserve__")) - { - pe.SizeOfHeapReserve = pe_def_file->heap_reserve; - if (pe_def_file->heap_commit != -1) - pe.SizeOfHeapCommit = pe_def_file->heap_commit; - } - return TRUE; - } - } -#endif - return FALSE; -} - -static bfd_boolean -gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED) -{ -#ifdef DLL_SUPPORT -#ifdef TARGET_IS_i386pe - pe_dll_id_target ("pei-i386"); -#endif -#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 - 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); - } -#endif - return FALSE; -} - -static void -gld_${EMULATION_NAME}_finish (void) -{ -#if defined(TARGET_IS_armpe) || defined(TARGET_IS_arm_epoc_pe) - struct bfd_link_hash_entry * h; - - if (thumb_entry_symbol != NULL) - { - h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, - FALSE, FALSE, TRUE); - - if (h != (struct bfd_link_hash_entry *) NULL - && (h->type == bfd_link_hash_defined - || h->type == bfd_link_hash_defweak) - && h->u.def.section->output_section != NULL) - { - static char buffer[32]; - bfd_vma val; - - /* Special procesing is required for a Thumb entry symbol. The - bottom bit of its address must be set. */ - val = (h->u.def.value - + bfd_get_section_vma (output_bfd, - h->u.def.section->output_section) - + h->u.def.section->output_offset); - - val |= 1; - - /* Now convert this value into a string and store it in entry_symbol - where the lang_finish() function will pick it up. */ - buffer[0] = '0'; - buffer[1] = 'x'; - - sprintf_vma (buffer + 2, val); - - if (entry_symbol.name != NULL && entry_from_cmdline) - einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"), - thumb_entry_symbol, entry_symbol.name); - entry_symbol.name = buffer; - } - 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) */ - -#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) -#endif - ) - { - pe_dll_fill_sections (output_bfd, &link_info); - if (pe_implib_filename) - pe_dll_generate_implib (pe_def_file, pe_implib_filename); - } -#if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe) - /* ARM doesn't need relocs. */ - else - { - pe_exe_fill_sections (output_bfd, &link_info); - } -#endif - - if (pe_out_def_filename) - pe_dll_generate_def_file (pe_out_def_filename); -#endif /* DLL_SUPPORT */ - - /* I don't know where .idata gets set as code, but it shouldn't be. */ - { - asection *asec = bfd_get_section_by_name (output_bfd, ".idata"); - - if (asec) - { - asec->flags &= ~SEC_CODE; - asec->flags |= SEC_DATA; - } - } -} - - -/* 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 - to ensure that they are aligned as required. - - 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. - - Grouped sections for the default sections are handled by the - 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_${EMULATION_NAME}_place_orphan (lang_input_statement_type *file, asection *s) -{ - const char *secname; - char *hold_section_name; - char *dollar = NULL; - const char *ps = NULL; - lang_output_section_statement_type *os; - lang_statement_list_type add_child; - - secname = bfd_get_section_name (s->owner, s); - - /* Look through the script to see where to place this section. */ - hold_section_name = xstrdup (secname); - if (!link_info.relocatable) - { - dollar = strchr (hold_section_name, '$'); - if (dollar != NULL) - *dollar = '\0'; - } - - os = lang_output_section_find (hold_section_name); - - lang_list_init (&add_child); - - if (os != NULL - && (os->bfd_section == NULL - || ((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); - } - else - { - 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; - etree_type *address; - - /* 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); - - if (config.build_constructors) - { - /* 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 (link_info.relocatable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0) - address = exp_intop ((bfd_vma) 0); - else - { - /* All sections in an executable must be aligned to a page - boundary. */ - address = exp_unop (ALIGN_K, - exp_nameop (NAME, "__section_alignment__")); - } - - os = lang_enter_output_section_statement (outsecname, address, 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; - } - } - } - - { - 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 ((*pl)->header.type != lang_input_section_enum) - continue; - - ls = &(*pl)->input_section; - - lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section); - if (strchr (lname, '$') == NULL) - { - if (found_dollar) - break; - } - else - { - found_dollar = TRUE; - if (strcmp (secname, lname) < 0) - break; - } - } - } - - if (add_child.head != NULL) - { - add_child.head->header.next = *pl; - *pl = add_child.head; - } - } - - free (hold_section_name); - - return TRUE; -} - -static bfd_boolean -gld_${EMULATION_NAME}_open_dynamic_archive - (const char *arch ATTRIBUTE_UNUSED, search_dirs_type *search, - lang_input_statement_type *entry) -{ - const char * filename; - char * string; - - if (! entry->is_archive) - return FALSE; - - filename = entry->filename; - - string = (char *) xmalloc (strlen (search->name) - + strlen (filename) - + sizeof "/lib.a.dll" -#ifdef DLL_SUPPORT - + (pe_dll_search_prefix ? strlen (pe_dll_search_prefix) : 0) -#endif - + 1); - - /* Try "libfoo.dll.a" first (preferred explicit import library for dll's. */ - sprintf (string, "%s/lib%s.dll.a", search->name, filename); - - if (! ldfile_try_open_bfd (string, entry)) - { - /* 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. */ -#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; - } - } - } - } - } - } - - entry->filename = string; - - return TRUE; -} - -static int -gld_${EMULATION_NAME}_find_potential_libraries - (char *name, lang_input_statement_type *entry) -{ - return ldfile_open_file_search (name, entry, "", ".lib"); -} - -static char * -gld_${EMULATION_NAME}_get_script (int *isfile) -EOF -# Scripts compiled in. -# sed commands to quote an ld script as a C string. -sc="-f stringify.sed" - -cat >>e${EMULATION_NAME}.c <<EOF -{ - *isfile = 0; - - 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 - -cat >>e${EMULATION_NAME}.c <<EOF - - -struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = -{ - gld_${EMULATION_NAME}_before_parse, - syslib_default, - hll_default, - gld_${EMULATION_NAME}_after_parse, - gld_${EMULATION_NAME}_after_open, - after_allocation_default, - set_output_arch_default, - ldemul_default_target, - gld_${EMULATION_NAME}_before_allocation, - gld_${EMULATION_NAME}_get_script, - "${EMULATION_NAME}", - "${OUTPUT_FORMAT}", - gld_${EMULATION_NAME}_finish, - NULL, /* Create output section statements. */ - gld_${EMULATION_NAME}_open_dynamic_archive, - gld_${EMULATION_NAME}_place_orphan, - gld_${EMULATION_NAME}_set_symbols, - NULL, /* parse_args */ - gld${EMULATION_NAME}_add_options, - gld${EMULATION_NAME}_handle_option, - gld_${EMULATION_NAME}_unrecognized_file, - gld_${EMULATION_NAME}_list_options, - gld_${EMULATION_NAME}_recognized_file, - gld_${EMULATION_NAME}_find_potential_libraries, - NULL /* new_vers_pattern. */ -}; -EOF |