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-rw-r--r--ld/emultempl/pep.em1706
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diff --git a/ld/emultempl/pep.em b/ld/emultempl/pep.em
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+++ b/ld/emultempl/pep.em
@@ -0,0 +1,1706 @@
+# This shell script emits a C file. -*- C -*-
+# It does some substitutions.
+test -z "${ENTRY}" && ENTRY="_mainCRTStartup"
+if [ -z "$MACHINE" ]; then
+ OUTPUT_ARCH=${ARCH}
+else
+ OUTPUT_ARCH=${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 2006 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+
+ Written by Kai Tietz, OneVision Software GmbH&CoKg. */
+
+/* For WINDOWS_XP64 and higher */
+/* Based on pe.em, but modified for 64 bit support. */
+
+#define TARGET_IS_${EMULATION_NAME}
+
+#define COFF_IMAGE_WITH_PE
+#define COFF_WITH_PE
+#define COFF_WITH_pex64
+
+#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: See bfd/peXXigen.c for why we include an architecture specific
+ header in generic PE code. */
+#include "coff/x86_64.h"
+#include "coff/pe.h"
+
+/* FIXME: This is a BFD internal header file, and we should not be
+ using it here. */
+#include "../bfd/libcoff.h"
+
+#undef AOUTSZ
+#define AOUTSZ PEPAOUTSZ
+#define PEAOUTHDR PEPAOUTHDR
+
+#include "deffile.h"
+#include "pep-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 ${OVERRIDE_SECTION_ALIGNMENT}
+#endif
+
+#ifdef TARGET_IS_i386pep
+#define DLL_SUPPORT
+#endif
+
+#if defined(TARGET_IS_i386pep) || ! defined(DLL_SUPPORT)
+#define PE_DEF_SUBSYSTEM 3
+#else
+#undef NT_EXE_IMAGE_BASE
+#define NT_EXE_IMAGE_BASE 0x00010000
+#undef PE_DEF_SECTION_ALIGNMENT
+#define PE_DEF_SUBSYSTEM 2
+#undef PE_DEF_FILE_ALIGNMENT
+#define PE_DEF_FILE_ALIGNMENT 0x00000200
+#define PE_DEF_SECTION_ALIGNMENT 0x00000400
+#endif
+
+
+static struct internal_extra_pe_aouthdr pep;
+static int dll;
+static flagword real_flags = IMAGE_FILE_LARGE_ADDRESS_AWARE;
+static int support_old_code = 0;
+static lang_assignment_statement_type *image_base_statement = 0;
+
+#ifdef DLL_SUPPORT
+static int pep_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
+static char * pep_out_def_filename = NULL;
+static char * pep_implib_filename = NULL;
+static int pep_enable_auto_image_base = 0;
+static char * pep_dll_search_prefix = NULL;
+#endif
+
+extern const char *output_filename;
+
+static void
+gld_${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 = -1;
+
+#if (PE_DEF_SUBSYSTEM == 9) || (PE_DEF_SUBSYSTEM == 2)
+ lang_default_entry ("_WinMainCRTStartup");
+#else
+ lang_default_entry ("${ENTRY}");
+#endif
+#endif
+}
+
+/* PE format extra command line options. */
+
+/* Used for setting flags in the PE header. */
+enum options
+{
+ OPTION_BASE_FILE = 300 + 1,
+ OPTION_DLL,
+ OPTION_FILE_ALIGNMENT,
+ OPTION_IMAGE_BASE,
+ OPTION_MAJOR_IMAGE_VERSION,
+ OPTION_MAJOR_OS_VERSION,
+ OPTION_MAJOR_SUBSYSTEM_VERSION,
+ OPTION_MINOR_IMAGE_VERSION,
+ OPTION_MINOR_OS_VERSION,
+ OPTION_MINOR_SUBSYSTEM_VERSION,
+ OPTION_SECTION_ALIGNMENT,
+ OPTION_STACK,
+ OPTION_SUBSYSTEM,
+ OPTION_HEAP,
+ OPTION_SUPPORT_OLD_CODE,
+ OPTION_OUT_DEF,
+ OPTION_EXPORT_ALL,
+ OPTION_EXCLUDE_SYMBOLS,
+ OPTION_KILL_ATS,
+ OPTION_STDCALL_ALIASES,
+ OPTION_ENABLE_STDCALL_FIXUP,
+ OPTION_DISABLE_STDCALL_FIXUP,
+ OPTION_IMPLIB_FILENAME,
+ OPTION_WARN_DUPLICATE_EXPORTS,
+ OPTION_IMP_COMPAT,
+ OPTION_ENABLE_AUTO_IMAGE_BASE,
+ OPTION_DISABLE_AUTO_IMAGE_BASE,
+ OPTION_DLL_SEARCH_PREFIX,
+ OPTION_NO_DEFAULT_EXCLUDES,
+ OPTION_DLL_ENABLE_AUTO_IMPORT,
+ OPTION_DLL_DISABLE_AUTO_IMPORT,
+ OPTION_ENABLE_EXTRA_PE_DEBUG,
+ OPTION_EXCLUDE_LIBS,
+ OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC,
+ OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC
+};
+
+static void
+gld${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},
+#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-pep-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
+ {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
+ {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
+#endif
+ {NULL, no_argument, NULL, 0}
+ };
+
+ *longopts = 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) {&pep.field,sizeof(pep.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},
+#define MSIMAGEBASEOFF 2
+ D(ImageBase,"__ImageBase", NT_EXE_IMAGE_BASE),
+ D(SectionAlignment,"__section_alignment__", PE_DEF_SECTION_ALIGNMENT),
+ D(FileAlignment,"__file_alignment__", PE_DEF_FILE_ALIGNMENT),
+ D(MajorOperatingSystemVersion,"__major_os_version__", 4),
+ D(MinorOperatingSystemVersion,"__minor_os_version__", 0),
+ D(MajorImageVersion,"__major_image_version__", 0),
+ D(MinorImageVersion,"__minor_image_version__", 0),
+ D(MajorSubsystemVersion,"__major_subsystem_version__", 5),
+ D(MinorSubsystemVersion,"__minor_subsystem_version__", 2),
+ D(Subsystem,"__subsystem__", ${SUBSYSTEM}),
+ D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x200000),
+ D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
+ D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
+ D(SizeOfHeapCommit,"__size_of_heap_commit__", 0x1000),
+ D(LoaderFlags,"__loader_flags__", 0x0),
+ { NULL, 0, 0, NULL, 0 }
+};
+
+
+static void
+gld_${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"));
+#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-pep-debug Enable verbose debug output when building\n\
+ or linking to DLLs (esp. auto-import)\n"));
+#endif
+}
+
+
+static void
+set_pep_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;
+ if (strcmp (name,"__image_base__") == 0)
+ set_pep_name ("__ImageBase", val);
+ return;
+ }
+ }
+ abort ();
+}
+
+
+static void
+set_pep_subsystem (void)
+{
+ const char *sver;
+ const char *entry;
+ const char *initial_symbol_char;
+ char *end;
+ int len;
+ int i;
+ int subsystem;
+ unsigned long temp_subsystem;
+ static const struct
+ {
+ const char *name;
+ const int value;
+ const char *entry;
+ }
+ v[] =
+ {
+ { "native", 1, "NtProcessStartup" },
+ { "windows", 2, "WinMainCRTStartup" },
+ { "console", 3, "mainCRTStartup" },
+ { "posix", 7, "__PosixProcessStartup"},
+ { "wince", 9, "_WinMainCRTStartup" },
+ { "xbox", 14, "mainCRTStartup" },
+ { NULL, 0, NULL }
+ };
+ /* Entry point name for arbitrary subsystem numbers. */
+ static const char default_entry[] = "mainCRTStartup";
+
+ /* Check for the presence of a version number. */
+ sver = strchr (optarg, ':');
+ if (sver == NULL)
+ len = strlen (optarg);
+ else
+ {
+ len = sver - optarg;
+ set_pep_name ("__major_subsystem_version__",
+ strtoul (sver + 1, &end, 0));
+ if (*end == '.')
+ set_pep_name ("__minor_subsystem_version__",
+ strtoul (end + 1, &end, 0));
+ if (*end != '\0')
+ einfo (_("%P: warning: bad version number in -subsystem option\n"));
+ }
+
+ /* Check for numeric subsystem. */
+ temp_subsystem = strtoul (optarg, & end, 0);
+ if ((*end == ':' || *end == '\0') && (temp_subsystem < 65536))
+ {
+ /* Search list for a numeric match to use its entry point. */
+ for (i = 0; v[i].name; i++)
+ if (v[i].value == (int) temp_subsystem)
+ break;
+
+ /* 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;
+ }
+ else
+ {
+ /* Search for subsystem by name. */
+ for (i = 0; v[i].name; i++)
+ if (strncmp (optarg, v[i].name, len) == 0
+ && v[i].name[len] == '\0')
+ break;
+
+ if (v[i].name == NULL)
+ {
+ einfo (_("%P%F: invalid subsystem type %s\n"), optarg);
+ return;
+ }
+
+ entry = v[i].entry;
+ subsystem = v[i].value;
+ }
+
+ set_pep_name ("__subsystem__", subsystem);
+
+ initial_symbol_char = ${INITIAL_SYMBOL_CHAR};
+ if (*initial_symbol_char != '\0')
+ {
+ char *alc_entry;
+
+ /* lang_default_entry expects its argument to be permanently
+ allocated, so we don't free this string. */
+ alc_entry = xmalloc (strlen (initial_symbol_char)
+ + strlen (entry)
+ + 1);
+ strcpy (alc_entry, initial_symbol_char);
+ strcat (alc_entry, entry);
+ entry = alc_entry;
+ }
+
+ lang_default_entry (entry);
+
+ return;
+}
+
+
+static void
+set_pep_value (char *name)
+{
+ char *end;
+
+ set_pep_name (name, strtoul (optarg, &end, 0));
+
+ if (end == optarg)
+ einfo (_("%P%F: invalid hex number for PE parameter '%s'\n"), optarg);
+
+ optarg = end;
+}
+
+
+static void
+set_pep_stack_heap (char *resname, char *comname)
+{
+ set_pep_value (resname);
+
+ if (*optarg == ',')
+ {
+ optarg++;
+ set_pep_value (comname);
+ }
+ else if (*optarg)
+ einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
+}
+
+
+static bfd_boolean
+gld${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_pep_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
+ break;
+ case OPTION_STACK:
+ set_pep_stack_heap ("__size_of_stack_reserve__", "__size_of_stack_commit__");
+ break;
+ case OPTION_SUBSYSTEM:
+ set_pep_subsystem ();
+ break;
+ case OPTION_MAJOR_OS_VERSION:
+ set_pep_value ("__major_os_version__");
+ break;
+ case OPTION_MINOR_OS_VERSION:
+ set_pep_value ("__minor_os_version__");
+ break;
+ case OPTION_MAJOR_SUBSYSTEM_VERSION:
+ set_pep_value ("__major_subsystem_version__");
+ break;
+ case OPTION_MINOR_SUBSYSTEM_VERSION:
+ set_pep_value ("__minor_subsystem_version__");
+ break;
+ case OPTION_MAJOR_IMAGE_VERSION:
+ set_pep_value ("__major_image_version__");
+ break;
+ case OPTION_MINOR_IMAGE_VERSION:
+ set_pep_value ("__minor_image_version__");
+ break;
+ case OPTION_FILE_ALIGNMENT:
+ set_pep_value ("__file_alignment__");
+ break;
+ case OPTION_SECTION_ALIGNMENT:
+ set_pep_value ("__section_alignment__");
+ break;
+ case OPTION_DLL:
+ set_pep_name ("__dll__", 1);
+ break;
+ case OPTION_IMAGE_BASE:
+ set_pep_value ("__image_base__");
+ break;
+ case OPTION_SUPPORT_OLD_CODE:
+ support_old_code = 1;
+ break;
+#ifdef DLL_SUPPORT
+ case OPTION_OUT_DEF:
+ pep_out_def_filename = xstrdup (optarg);
+ break;
+ case OPTION_EXPORT_ALL:
+ pep_dll_export_everything = 1;
+ break;
+ case OPTION_EXCLUDE_SYMBOLS:
+ pep_dll_add_excludes (optarg, 0);
+ break;
+ case OPTION_EXCLUDE_LIBS:
+ pep_dll_add_excludes (optarg, 1);
+ break;
+ case OPTION_KILL_ATS:
+ pep_dll_kill_ats = 1;
+ break;
+ case OPTION_STDCALL_ALIASES:
+ pep_dll_stdcall_aliases = 1;
+ break;
+ case OPTION_ENABLE_STDCALL_FIXUP:
+ pep_enable_stdcall_fixup = 1;
+ break;
+ case OPTION_DISABLE_STDCALL_FIXUP:
+ pep_enable_stdcall_fixup = 0;
+ break;
+ case OPTION_IMPLIB_FILENAME:
+ pep_implib_filename = xstrdup (optarg);
+ break;
+ case OPTION_WARN_DUPLICATE_EXPORTS:
+ pep_dll_warn_dup_exports = 1;
+ break;
+ case OPTION_IMP_COMPAT:
+ pep_dll_compat_implib = 1;
+ break;
+ case OPTION_ENABLE_AUTO_IMAGE_BASE:
+ pep_enable_auto_image_base = 1;
+ break;
+ case OPTION_DISABLE_AUTO_IMAGE_BASE:
+ pep_enable_auto_image_base = 0;
+ break;
+ case OPTION_DLL_SEARCH_PREFIX:
+ pep_dll_search_prefix = xstrdup (optarg);
+ break;
+ case OPTION_NO_DEFAULT_EXCLUDES:
+ pep_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:
+ pep_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 0x61300000 + ((hash << 16) & 0x0FFC0000);
+}
+#endif
+
+/* Assign values to the special symbols before the linker script is
+ read. */
+
+static void
+gld_${EMULATION_NAME}_set_symbols (void)
+{
+ /* Run through and invent symbols for all the
+ names and insert the defaults. */
+ int j;
+ lang_statement_list_type *save;
+
+ if (!init[IMAGEBASEOFF].inited)
+ {
+ if (link_info.relocatable)
+ init[IMAGEBASEOFF].value = 0;
+ else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
+#ifdef DLL_SUPPORT
+ init[IMAGEBASEOFF].value = (pep_enable_auto_image_base) ?
+ compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
+#else
+ init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
+#endif
+ else
+ init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
+ init[MSIMAGEBASEOFF].value = init[IMAGEBASEOFF].value;
+ }
+
+ /* Don't do any symbol assignments if this is a relocatable link. */
+ if (link_info.relocatable)
+ return;
+
+ /* Glue the assignments into the abs section. */
+ save = stat_ptr;
+
+ stat_ptr = &(abs_output_section->children);
+
+ for (j = 0; init[j].ptr; j++)
+ {
+ long val = init[j].value;
+ lang_assignment_statement_type *rv;
+ rv = lang_add_assignment (exp_assop ('=', init[j].symbol,
+ exp_intop (val)));
+ if (init[j].size == sizeof (short))
+ *(short *) init[j].ptr = val;
+ else if (init[j].size == sizeof (int))
+ *(int *) init[j].ptr = val;
+ else if (init[j].size == sizeof (long))
+ *(long *) init[j].ptr = val;
+ /* This might be a long long or other special type. */
+ else if (init[j].size == sizeof (bfd_vma))
+ *(bfd_vma *) init[j].ptr = val;
+ else abort ();
+ if (j == IMAGEBASEOFF)
+ image_base_statement = rv;
+ }
+ /* Restore the pointer. */
+ stat_ptr = save;
+
+ if (pep.FileAlignment > pep.SectionAlignment)
+ {
+ einfo (_("%P: warning, file alignment > section alignment.\n"));
+ }
+}
+
+/* This is called after the linker script and the command line options
+ have been read. */
+
+static void
+gld_${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);
+}
+
+/* pep-dll.c directly accesses pep_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 * pep_data_import_dll;
+
+#ifdef DLL_SUPPORT
+static struct bfd_link_hash_entry *pep_undef_found_sym;
+
+static bfd_boolean
+pep_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] == '@')
+ {
+ pep_undef_found_sym = h;
+ return FALSE;
+ }
+ return TRUE;
+}
+
+static void
+pep_fixup_stdcalls (void)
+{
+ static int gave_warning_message = 0;
+ struct bfd_link_hash_entry *undef, *sym;
+
+ if (pep_dll_extra_pe_debug)
+ printf ("%s\n", __FUNCTION__);
+
+ for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
+ if (undef->type == bfd_link_hash_undefined)
+ {
+ char* at = strchr (undef->root.string, '@');
+ 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 (pep_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. */
+ pep_undef_found_sym = 0;
+ bfd_link_hash_traverse (link_info.hash, pep_undef_cdecl_match,
+ (char *) undef->root.string);
+ sym = pep_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 (pep_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;
+ char addend[4];
+
+ if (pep_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);
+
+ pep_create_import_fixup (rel, s, bfd_get_32 (s->owner, addend));
+
+ return 1;
+}
+
+static void
+pep_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->u.undef.next)
+ {
+ if (undef->type == bfd_link_hash_undefined)
+ {
+ /* C++ symbols are *long*. */
+ char buf[4096];
+
+ if (pep_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 = xmalloc (symsize);
+ nsyms = bfd_canonicalize_symtab (b, symbols);
+
+ for (i = 0; i < nsyms; i++)
+ {
+ if (! CONST_STRNEQ (symbols[i]->name, "__head_"))
+ continue;
+
+ if (pep_dll_extra_pe_debug)
+ printf ("->%s\n", symbols[i]->name);
+
+ pep_data_import_dll = (char*) (symbols[i]->name +
+ sizeof ("__head_") - 1);
+ break;
+ }
+
+ pep_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 (pep_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 (pep_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->u.undef.next)
+ printf ("-%s\n", sym->root.string);
+ bfd_hash_traverse (&link_info.hash->table, pr_sym, NULL);
+
+ for (a = link_info.input_bfds; a; a = a->link_next)
+ 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: cannot perform PE operations on non PE output file '%B'.\n"), output_bfd);
+
+ pe_data (output_bfd)->pe_opthdr = pep;
+ pe_data (output_bfd)->dll = init[DLLOFF].value;
+ pe_data (output_bfd)->real_flags |= real_flags;
+
+#ifdef DLL_SUPPORT
+ if (pep_enable_stdcall_fixup) /* -1=warn or 1=disable */
+ pep_fixup_stdcalls ();
+
+ pep_process_import_defs (output_bfd, & link_info);
+
+ pep_find_data_imports ();
+
+#ifndef TARGET_IS_i386pep
+ if (link_info.shared)
+#else
+ if (!link_info.relocatable)
+#endif
+ pep_dll_build_sections (output_bfd, &link_info);
+
+#ifndef TARGET_IS_i386pep
+ else
+ pep_exe_build_sections (output_bfd, &link_info);
+#endif
+#endif /* DLL_SUPPORT */
+
+ {
+ /* 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 (CONST_STRNEQ (sec->name, ".idata\$"))
+ 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 = xmalloc (symsize);
+ symsize = bfd_canonicalize_symtab (is->the_bfd, symbols);
+ if (symsize < 0)
+ {
+ einfo ("%X%P: unable to process symbols: %E");
+ return;
+ }
+
+ relocs = 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;
+ char *other_bfd_filename;
+ 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_filename
+ = blhe->u.def.section->owner->my_archive
+ ? bfd_get_filename (blhe->u.def.section->owner->my_archive)
+ : bfd_get_filename (blhe->u.def.section->owner);
+
+ if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
+ other_bfd_filename) == 0)
+ continue;
+
+ /* Rename this implib to match the other one. */
+ n = xmalloc (strlen (other_bfd_filename) + 1);
+ strcpy (n, other_bfd_filename);
+ is->the_bfd->my_archive->filename = n;
+ }
+
+ 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)
+{
+ before_allocation_default ();
+}
+
+#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)
+ {
+ pep_def_file = def_file_parse (entry->filename, pep_def_file);
+
+ if (pep_def_file)
+ {
+ int i, buflen=0, len;
+ char *buf;
+
+ for (i = 0; i < pep_def_file->num_exports; i++)
+ {
+ len = strlen (pep_def_file->exports[i].internal_name);
+ if (buflen < len + 2)
+ buflen = len + 2;
+ }
+
+ buf = xmalloc (buflen);
+
+ for (i = 0; i < pep_def_file->num_exports; i++)
+ {
+ struct bfd_link_hash_entry *h;
+
+ sprintf (buf, "_%s", pep_def_file->exports[i].internal_name);
+
+ h = bfd_link_hash_lookup (link_info.hash, buf, TRUE, TRUE, TRUE);
+ if (h == (struct bfd_link_hash_entry *) NULL)
+ 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, pep_def_file); */
+ if (pep_def_file->is_dll == 1)
+ link_info.shared = 1;
+
+ if (pep_def_file->base_address != (bfd_vma)(-1))
+ {
+ pep.ImageBase =
+ pe_data (output_bfd)->pe_opthdr.ImageBase =
+ init[IMAGEBASEOFF].value = pep_def_file->base_address;
+ init[IMAGEBASEOFF].inited = 1;
+ if (image_base_statement)
+ image_base_statement->exp =
+ exp_assop ('=', "__image_base__", exp_intop (pep.ImageBase));
+ }
+
+ if (pep_def_file->stack_reserve != -1
+ && ! saw_option ("__size_of_stack_reserve__"))
+ {
+ pep.SizeOfStackReserve = pep_def_file->stack_reserve;
+ if (pep_def_file->stack_commit != -1)
+ pep.SizeOfStackCommit = pep_def_file->stack_commit;
+ }
+ if (pep_def_file->heap_reserve != -1
+ && ! saw_option ("__size_of_heap_reserve__"))
+ {
+ pep.SizeOfHeapReserve = pep_def_file->heap_reserve;
+ if (pep_def_file->heap_commit != -1)
+ pep.SizeOfHeapCommit = pep_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_i386pep
+ pep_dll_id_target ("pei-x86-64");
+#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 pep_implied_import_dll (fbuf);
+ }
+#endif
+ return FALSE;
+}
+
+static void
+gld_${EMULATION_NAME}_finish (void)
+{
+ finish_default ();
+
+#ifdef DLL_SUPPORT
+ if (link_info.shared
+ || (!link_info.relocatable && pep_def_file->num_exports != 0))
+ {
+ pep_dll_fill_sections (output_bfd, &link_info);
+ if (pep_implib_filename)
+ pep_dll_generate_implib (pep_def_file, pep_implib_filename);
+ }
+
+ if (pep_out_def_filename)
+ pep_dll_generate_def_file (pep_out_def_filename);
+#endif /* DLL_SUPPORT */
+
+ /* I don't know where .idata gets set as code, but it shouldn't be. */
+ {
+ asection *asec = bfd_get_section_by_name (output_bfd, ".idata");
+
+ if (asec)
+ {
+ asec->flags &= ~SEC_CODE;
+ asec->flags |= SEC_DATA;
+ }
+ }
+}
+
+
+/* Place an orphan section.
+
+ We use this to put sections in a reasonable place in the file, and
+ to ensure that they are aligned as required.
+
+ We handle grouped sections here as well. A section named .foo$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. */
+
+static bfd_boolean
+gld_${EMULATION_NAME}_place_orphan (asection *s)
+{
+ const char *secname;
+ const char *orig_secname;
+ char *dollar = NULL;
+ lang_output_section_statement_type *os;
+ lang_statement_list_type add_child;
+
+ secname = bfd_get_section_name (s->owner, s);
+
+ /* Look through the script to see where to place this section. */
+ orig_secname = secname;
+ if (!link_info.relocatable
+ && (dollar = strchr (secname, '$')) != NULL)
+ {
+ size_t len = dollar - orig_secname;
+ char *newname = xmalloc (len + 1);
+ memcpy (newname, orig_secname, len);
+ newname[len] = '\0';
+ secname = newname;
+ }
+
+ os = lang_output_section_find (secname);
+
+ lang_list_init (&add_child);
+
+ if (os != NULL
+ && (os->bfd_section == NULL
+ || os->bfd_section->flags == 0
+ || ((s->flags ^ os->bfd_section->flags)
+ & (SEC_LOAD | SEC_ALLOC)) == 0))
+ {
+ /* We already have an output section statement with this
+ name, and its bfd section, if any, has compatible flags.
+ If the section already exists but does not have any flags set,
+ then it has been created by the linker, probably as a result of
+ a --section-start command line switch. */
+ lang_add_section (&add_child, s, os);
+ }
+ else
+ {
+ static struct orphan_save hold[] =
+ {
+ { ".text",
+ SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
+ 0, 0, 0, 0 },
+ { ".rdata",
+ SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
+ 0, 0, 0, 0 },
+ { ".data",
+ SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA,
+ 0, 0, 0, 0 },
+ { ".bss",
+ SEC_ALLOC,
+ 0, 0, 0, 0 }
+ };
+ enum orphan_save_index
+ {
+ orphan_text = 0,
+ orphan_rodata,
+ orphan_data,
+ orphan_bss
+ };
+ static int orphan_init_done = 0;
+ struct orphan_save *place;
+ lang_output_section_statement_type *after;
+ etree_type *address;
+
+ if (!orphan_init_done)
+ {
+ struct orphan_save *ho;
+ for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho)
+ if (ho->name != NULL)
+ {
+ ho->os = lang_output_section_find (ho->name);
+ if (ho->os != NULL && ho->os->flags == 0)
+ ho->os->flags = ho->flags;
+ }
+ orphan_init_done = 1;
+ }
+
+ /* Try to put the new output section in a reasonable place based
+ on the section name and section flags. */
+
+ place = NULL;
+ if ((s->flags & SEC_ALLOC) == 0)
+ ;
+ else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
+ place = &hold[orphan_bss];
+ else if ((s->flags & SEC_READONLY) == 0)
+ place = &hold[orphan_data];
+ else if ((s->flags & SEC_CODE) == 0)
+ place = &hold[orphan_rodata];
+ else
+ place = &hold[orphan_text];
+
+ after = NULL;
+ if (place != NULL)
+ {
+ if (place->os == NULL)
+ place->os = lang_output_section_find (place->name);
+ after = place->os;
+ if (after == NULL)
+ after = lang_output_section_find_by_flags (s, &place->os, NULL);
+ if (after == NULL)
+ /* *ABS* is always the first output section statement. */
+ after = (&lang_output_section_statement.head
+ ->output_section_statement);
+ }
+
+ /* Choose a unique name for the section. This will be needed if the
+ same section name appears in the input file with different
+ loadable or allocatable characteristics. */
+ if (bfd_get_section_by_name (output_bfd, secname) != NULL)
+ {
+ static int count = 1;
+ secname = bfd_get_unique_section_name (output_bfd, secname, &count);
+ if (secname == NULL)
+ einfo ("%F%P: place_orphan failed: %E\n");
+ }
+
+ /* All sections in an executable must be aligned to a page boundary. */
+ address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
+ os = lang_insert_orphan (s, secname, after, place, address, &add_child);
+ }
+
+ {
+ 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->section->owner, ls->section);
+ if (strchr (lname, '$') == NULL)
+ {
+ if (found_dollar)
+ break;
+ }
+ else
+ {
+ found_dollar = TRUE;
+ if (strcmp (orig_secname, lname) < 0)
+ break;
+ }
+ }
+ }
+
+ if (add_child.head != NULL)
+ {
+ add_child.head->header.next = *pl;
+ *pl = add_child.head;
+ }
+ }
+
+ return TRUE;
+}
+
+static bfd_boolean
+gld_${EMULATION_NAME}_open_dynamic_archive
+ (const char *arch ATTRIBUTE_UNUSED,
+ search_dirs_type *search,
+ lang_input_statement_type *entry)
+{
+ static const struct
+ {
+ const char * format;
+ bfd_boolean use_prefix;
+ }
+ libname_fmt [] =
+ {
+ /* Preferred explicit import library for dll's. */
+ { "lib%s.dll.a", FALSE },
+ /* Alternate explicit import library for dll's. */
+ { "%s.dll.a", FALSE },
+ /* "libfoo.a" could be either an import lib or a static lib.
+ For backwards compatibility, libfoo.a needs to precede
+ libfoo.dll and foo.dll in the search. */
+ { "lib%s.a", FALSE },
+ /* The 'native' spelling of an import lib name is "foo.lib". */
+ { "%s.lib", FALSE },
+#ifdef DLL_SUPPORT
+ /* Try "<prefix>foo.dll" (preferred dll name, if specified). */
+ { "%s%s.dll", TRUE },
+#endif
+ /* Try "libfoo.dll" (default preferred dll name). */
+ { "lib%s.dll", FALSE },
+ /* Finally try 'native' dll name "foo.dll". */
+ { "%s.dll", FALSE },
+ /* Note: If adding more formats to this table, make sure to check to
+ see if their length is longer than libname_fmt[0].format, and if
+ so, update the call to xmalloc() below. */
+ { NULL, FALSE }
+ };
+ static unsigned int format_max_len = 0;
+ const char * filename;
+ char * full_string;
+ char * base_string;
+ unsigned int i;
+
+
+ if (! entry->is_archive)
+ return FALSE;
+
+ filename = entry->filename;
+
+ if (format_max_len == 0)
+ /* We need to allow space in the memory that we are going to allocate
+ for the characters in the format string. Since the format array is
+ static we only need to calculate this information once. In theory
+ this value could also be computed statically, but this introduces
+ the possibility for a discrepancy and hence a possible memory
+ corruption. The lengths we compute here will be too long because
+ they will include any formating characters (%s) in the strings, but
+ this will not matter. */
+ for (i = 0; libname_fmt[i].format; i++)
+ if (format_max_len < strlen (libname_fmt[i].format))
+ format_max_len = strlen (libname_fmt[i].format);
+
+ full_string = xmalloc (strlen (search->name)
+ + strlen (filename)
+ + format_max_len
+#ifdef DLL_SUPPORT
+ + (pep_dll_search_prefix
+ ? strlen (pep_dll_search_prefix) : 0)
+#endif
+ /* Allow for the terminating NUL and for the path
+ separator character that is inserted between
+ search->name and the start of the format string. */
+ + 2);
+
+ sprintf (full_string, "%s/", search->name);
+ base_string = full_string + strlen (full_string);
+
+ for (i = 0; libname_fmt[i].format; i++)
+ {
+#ifdef DLL_SUPPORT
+ if (libname_fmt[i].use_prefix)
+ {
+ if (!pep_dll_search_prefix)
+ continue;
+ sprintf (base_string, libname_fmt[i].format, pep_dll_search_prefix, filename);
+ }
+ else
+#endif
+ sprintf (base_string, libname_fmt[i].format, filename);
+
+ if (ldfile_try_open_bfd (full_string, entry))
+ break;
+ }
+
+ if (!libname_fmt[i].format)
+ {
+ free (full_string);
+ return FALSE;
+ }
+
+ entry->filename = full_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
generated by cgit v1.1 at 2024-12-03 23:32:15 +0000