else
OUTPUT_ARCH=${ARCH}:${MACHINE}
fi
+
+case ${target} in
+ *-*-cygwin*)
+ move_default_addr_high=1
+ ;;
+ *)
+ move_default_addr_high=0;
+ ;;
+esac
+
rm -f e${EMULATION_NAME}.c
(echo;echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
fragment <<EOF
-/* Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2006-2018 Free Software Foundation, Inc.
Written by Kai Tietz, OneVision Software GmbH&CoKg.
This file is part of the GNU Binutils.
#include "bfdlink.h"
#include "getopt.h"
#include "libiberty.h"
+#include "filenames.h"
#include "ld.h"
#include "ldmain.h"
#include "ldexp.h"
#include "ldlex.h"
#include "ldmisc.h"
#include "ldctor.h"
+#include "ldbuildid.h"
#include "coff/internal.h"
/* FIXME: See bfd/peXXigen.c for why we include an architecture specific
#include "coff/x86_64.h"
#include "coff/pe.h"
-/* FIXME: This is a BFD internal header file, and we should not be
+/* FIXME: These are BFD internal header files, and we should not be
using it here. */
#include "../bfd/libcoff.h"
+#include "../bfd/libpei.h"
#undef AOUTSZ
#define AOUTSZ PEPAOUTSZ
#if defined(TARGET_IS_i386pep) || ! defined(DLL_SUPPORT)
#define PE_DEF_SUBSYSTEM 3
+#undef NT_EXE_IMAGE_BASE
+#define NT_EXE_IMAGE_BASE \
+ ((bfd_vma) (${move_default_addr_high} ? 0x100400000LL \
+ : 0x400000LL))
+#undef NT_DLL_IMAGE_BASE
+#define NT_DLL_IMAGE_BASE \
+ ((bfd_vma) (${move_default_addr_high} ? 0x400000000LL \
+ : 0x10000000LL))
+#undef NT_DLL_AUTO_IMAGE_BASE
+#define NT_DLL_AUTO_IMAGE_BASE \
+ ((bfd_vma) (${move_default_addr_high} ? 0x400000000LL \
+ : 0x61300000LL))
+#undef NT_DLL_AUTO_IMAGE_MASK
+#define NT_DLL_AUTO_IMAGE_MASK \
+ ((bfd_vma) (${move_default_addr_high} ? 0x1ffff0000LL \
+ : 0x0ffc0000LL))
#else
#undef NT_EXE_IMAGE_BASE
-#define NT_EXE_IMAGE_BASE 0x00010000
+#define NT_EXE_IMAGE_BASE \
+ ((bfd_vma) (${move_default_addr_high} ? 0x100010000LL \
+ : 0x10000LL))
+#undef NT_DLL_IMAGE_BASE
+#define NT_DLL_IMAGE_BASE \
+ ((bfd_vma) (${move_default_addr_high} ? 0x110000000LL \
+ : 0x10000000LL))
+#undef NT_DLL_AUTO_IMAGE_BASE
+#define NT_DLL_AUTO_IMAGE_BASE \
+ ((bfd_vma) (${move_default_addr_high} ? 0x120000000LL \
+ : 0x61300000LL))
+#undef NT_DLL_AUTO_IMAGE_MASK
+#define NT_DLL_AUTO_IMAGE_MASK \
+ ((bfd_vma) (${move_default_addr_high} ? 0x0ffff0000LL \
+ : 0x0ffc0000LL))
#undef PE_DEF_SECTION_ALIGNMENT
#define PE_DEF_SUBSYSTEM 2
#undef PE_DEF_FILE_ALIGNMENT
static int support_old_code = 0;
static lang_assignment_statement_type *image_base_statement = 0;
static unsigned short pe_dll_characteristics = 0;
+static bfd_boolean insert_timestamp = TRUE;
+static const char *emit_build_id;
#ifdef DLL_SUPPORT
static int pep_enable_stdcall_fixup = 1; /* 0=disable 1=enable (default). */
static char * pep_out_def_filename = NULL;
-static char * pep_implib_filename = NULL;
static int pep_enable_auto_image_base = 0;
static char * pep_dll_search_prefix = NULL;
#endif
extern const char *output_filename;
+static int is_underscoring (void)
+{
+ int u = 0;
+ if (pep_leading_underscore != -1)
+ return pep_leading_underscore;
+ if (!bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
+ bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
+
+ if (u == -1)
+ abort ();
+ pep_leading_underscore = (u != 0 ? 1 : 0);
+ return pep_leading_underscore;
+}
+
+
static void
gld_${EMULATION_NAME}_before_parse (void)
{
+ is_underscoring ();
ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
output_filename = "${EXECUTABLE_NAME:-a.exe}";
#ifdef DLL_SUPPORT
- config.dynamic_link = TRUE;
+ input_flags.dynamic = TRUE;
config.has_shared = 1;
- link_info.pei386_auto_import = -1;
+ link_info.pei386_auto_import = 1;
link_info.pei386_runtime_pseudo_reloc = 2; /* Use by default version 2. */
#endif
}
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_EXCLUDE_LIBS,
OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC,
OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC,
- OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1,
OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2,
OPTION_EXCLUDE_MODULES_FOR_IMPLIB,
OPTION_USE_NUL_PREFIXED_IMPORT_TABLES,
OPTION_LEADING_UNDERSCORE,
OPTION_ENABLE_LONG_SECTION_NAMES,
OPTION_DISABLE_LONG_SECTION_NAMES,
+ OPTION_HIGH_ENTROPY_VA,
OPTION_DYNAMIC_BASE,
OPTION_FORCE_INTEGRITY,
OPTION_NX_COMPAT,
OPTION_NO_SEH,
OPTION_NO_BIND,
OPTION_WDM_DRIVER,
- OPTION_TERMINAL_SERVER_AWARE
+ OPTION_INSERT_TIMESTAMP,
+ OPTION_NO_INSERT_TIMESTAMP,
+ OPTION_TERMINAL_SERVER_AWARE,
+ OPTION_BUILD_ID
};
static void
{"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. */
{"enable-extra-pep-debug", no_argument, NULL, OPTION_ENABLE_EXTRA_PE_DEBUG},
{"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
{"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
- {"enable-runtime-pseudo-reloc-v1", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1},
{"enable-runtime-pseudo-reloc-v2", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2},
#endif
{"enable-long-section-names", no_argument, NULL, OPTION_ENABLE_LONG_SECTION_NAMES},
{"disable-long-section-names", no_argument, NULL, OPTION_DISABLE_LONG_SECTION_NAMES},
+ {"high-entropy-va", no_argument, NULL, OPTION_HIGH_ENTROPY_VA},
{"dynamicbase",no_argument, NULL, OPTION_DYNAMIC_BASE},
{"forceinteg", no_argument, NULL, OPTION_FORCE_INTEGRITY},
{"nxcompat", no_argument, NULL, OPTION_NX_COMPAT},
{"no-bind", no_argument, NULL, OPTION_NO_BIND},
{"wdmdriver", no_argument, NULL, OPTION_WDM_DRIVER},
{"tsaware", no_argument, NULL, OPTION_TERMINAL_SERVER_AWARE},
+ {"insert-timestamp", no_argument, NULL, OPTION_INSERT_TIMESTAMP},
+ {"no-insert-timestamp", no_argument, NULL, OPTION_NO_INSERT_TIMESTAMP},
+ {"build-id", optional_argument, NULL, OPTION_BUILD_ID},
{NULL, no_argument, NULL, 0}
};
#define GET_INIT_SYMBOL_NAME(IDX) \
(init[(IDX)].symbol \
- + ((init[(IDX)].is_c_symbol == FALSE || pep_leading_underscore != 0) ? 0 : 1))
+ + ((!init[(IDX)].is_c_symbol || is_underscoring () == 1) ? 0 : 1))
/* Decorates the C visible symbol by underscore, if target requires. */
#define U(CSTR) \
- (pep_leading_underscore == 0 ? CSTR : "_" CSTR)
+ ((is_underscoring () == 0) ? CSTR : "_" CSTR)
/* Get size of constant string for a possible underscore prefixed
C visible symbol. */
#define U_SIZE(CSTR) \
- (sizeof (CSTR) + pep_leading_underscore == 0 ? 0 : 1)
+ (sizeof (CSTR) + (is_underscoring () == 0 ? 0 : 1))
-#define D(field,symbol,def,usc) {&pep.field,sizeof(pep.field), def, symbol,0, usc}
+#define D(field,symbol,def,usc) {&pep.field, sizeof (pep.field), def, symbol, 0, usc}
static definfo init[] =
{
fprintf (file, _(" --subsystem <name>[:<version>] Set required OS subsystem [& version]\n"));
fprintf (file, _(" --support-old-code Support interworking with old code\n"));
fprintf (file, _(" --[no-]leading-underscore Set explicit symbol underscore prefix mode\n"));
+ fprintf (file, _(" --[no-]insert-timestamp Use a real timestamp rather than zero. (default)\n"));
+ fprintf (file, _(" This makes binaries non-deterministic\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, _(" export, place into import library instead.\n"));
fprintf (file, _(" --export-all-symbols Automatically export all globals to DLL\n"));
fprintf (file, _(" --kill-at Remove @nn from exported symbols\n"));
- fprintf (file, _(" --out-implib <file> Generate import library\n"));
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\
fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll without\n\
an importlib, use <string><basename>.dll\n\
in preference to lib<basename>.dll \n"));
- fprintf (file, _(" --enable-auto-import Do sophistcated linking of _sym to\n\
+ fprintf (file, _(" --enable-auto-import Do sophisticated linking of _sym to\n\
__imp_sym for DATA references\n"));
fprintf (file, _(" --disable-auto-import Do not auto-import DATA items from DLLs\n"));
fprintf (file, _(" --enable-runtime-pseudo-reloc Work around auto-import limitations by\n\
executable image files\n"));
fprintf (file, _(" --disable-long-section-names Never use long COFF section names, even\n\
in object files\n"));
+ fprintf (file, _(" --high-entropy-va Image is compatible with 64-bit address space\n\
+ layout randomization (ASLR)\n"));
fprintf (file, _(" --dynamicbase Image base address may be relocated using\n\
address space layout randomization (ASLR)\n"));
fprintf (file, _(" --forceinteg Code integrity checks are enforced\n"));
fprintf (file, _(" --no-bind Do not bind this image\n"));
fprintf (file, _(" --wdmdriver Driver uses the WDM model\n"));
fprintf (file, _(" --tsaware Image is Terminal Server aware\n"));
+ fprintf (file, _(" --build-id[=STYLE] Generate build ID\n"));
#endif
}
set_pep_name (char *name, bfd_vma val)
{
int i;
-
+ is_underscoring ();
/* Find the name and set it. */
for (i = 0; init[i].ptr; i++)
{
{
const char *entry;
const char *initial_symbol_char;
- int i, u = -1;
+ int i;
static const struct
- {
- const int value;
- const char *entry;
- }
+ {
+ const int value;
+ const char *entry;
+ }
v[] =
{
{ 1, "NtProcessStartup" },
/* Entry point name for arbitrary subsystem numbers. */
static const char default_entry[] = "mainCRTStartup";
- if (link_info.shared || dll)
+ if (bfd_link_pic (&link_info) || dll)
{
entry = "DllMainCRTStartup";
}
else
{
for (i = 0; v[i].entry; i++)
- if (v[i].value == pep_subsystem)
- break;
+ if (v[i].value == pep_subsystem)
+ break;
/* If no match, use the default. */
if (v[i].entry != NULL)
- entry = v[i].entry;
+ entry = v[i].entry;
else
- entry = default_entry;
+ entry = default_entry;
}
/* Now we check target's default for getting proper symbol_char. */
- u = pep_leading_underscore;
- if (u == -1 && !bfd_get_target_info ("${OUTPUT_FORMAT}", NULL, NULL, &u, NULL))
- bfd_get_target_info ("${RELOCATEABLE_OUTPUT_FORMAT}", NULL, NULL, &u, NULL);
-
- if (u == 0)
- initial_symbol_char = "";
- else if (u != -1)
- initial_symbol_char = "_";
- else
- abort ();
- pep_leading_underscore = u;
+ initial_symbol_char = (is_underscoring () != 0 ? "_" : "");
if (*initial_symbol_char != '\0')
{
einfo (_("%P%F: strange hex info for PE parameter '%s'\n"), optarg);
}
+#define DEFAULT_BUILD_ID_STYLE "md5"
static bfd_boolean
gld${EMULATION_NAME}_handle_option (int optc)
{
+ is_underscoring ();
switch (optc)
{
default:
case OPTION_BASE_FILE:
link_info.base_file = fopen (optarg, FOPEN_WB);
if (link_info.base_file == NULL)
- {
- /* xgettext:c-format */
- fprintf (stderr, _("%s: Can't open base file %s\n"),
- program_name, optarg);
- xexit (1);
- }
+ einfo (_("%F%P: cannot open base file %s\n"), optarg);
break;
/* PE options. */
case OPTION_LEADING_UNDERSCORE:
pep_leading_underscore = 1;
break;
+ case OPTION_INSERT_TIMESTAMP:
+ insert_timestamp = TRUE;
+ break;
+ case OPTION_NO_INSERT_TIMESTAMP:
+ insert_timestamp = FALSE;
+ break;
#ifdef DLL_SUPPORT
case OPTION_OUT_DEF:
pep_out_def_filename = xstrdup (optarg);
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_DLL_DISABLE_RUNTIME_PSEUDO_RELOC:
link_info.pei386_runtime_pseudo_reloc = 0;
break;
- case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V1:
- link_info.pei386_runtime_pseudo_reloc = 1;
- break;
case OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC_V2:
link_info.pei386_runtime_pseudo_reloc = 2;
break;
pep_use_coff_long_section_names = 0;
break;
/* Get DLLCharacteristics bits */
+ case OPTION_HIGH_ENTROPY_VA:
+ pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA;
+ break;
case OPTION_DYNAMIC_BASE:
pe_dll_characteristics |= IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE;
break;
case OPTION_TERMINAL_SERVER_AWARE:
pe_dll_characteristics |= IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE;
break;
+ case OPTION_BUILD_ID:
+ if (emit_build_id != NULL)
+ {
+ free ((char *) emit_build_id);
+ emit_build_id = NULL;
+ }
+ if (optarg == NULL)
+ optarg = DEFAULT_BUILD_ID_STYLE;
+ if (strcmp (optarg, "none"))
+ emit_build_id = xstrdup (optarg);
+ break;
}
/* Set DLLCharacteristics bits */
set_pep_name ("__dll_characteristics__", pe_dll_characteristics);
-
+
return TRUE;
}
\f
compute_dll_image_base (const char *ofile)
{
bfd_vma hash = (bfd_vma) strhash (ofile);
- return 0x61300000 + ((hash << 16) & 0x0FFC0000);
+ return NT_DLL_AUTO_IMAGE_BASE + ((hash << 16) & NT_DLL_AUTO_IMAGE_MASK);
}
#endif
names and insert the defaults. */
int j;
+ is_underscoring ();
+
if (!init[IMAGEBASEOFF].inited)
{
- if (link_info.relocatable)
+ if (bfd_link_relocatable (&link_info))
init[IMAGEBASEOFF].value = 0;
- else if (init[DLLOFF].value || (link_info.shared && !link_info.pie))
+ else if (init[DLLOFF].value || bfd_link_dll (&link_info))
{
#ifdef DLL_SUPPORT
init[IMAGEBASEOFF].value = (pep_enable_auto_image_base
}
/* Don't do any symbol assignments if this is a relocatable link. */
- if (link_info.relocatable)
+ if (bfd_link_relocatable (&link_info))
return;
/* Glue the assignments into the abs section. */
bfd_vma val = init[j].value;
lang_assignment_statement_type *rv;
- rv = lang_add_assignment (exp_assop ('=', GET_INIT_SYMBOL_NAME (j),
- exp_intop (val)));
+ rv = lang_add_assignment (exp_assign (GET_INIT_SYMBOL_NAME (j),
+ exp_intop (val), FALSE));
if (init[j].size == sizeof (short))
*(short *) init[j].ptr = (short) val;
else if (init[j].size == sizeof (int))
"targets, did you mean --export-all-symbols?\n"));
set_entry_point ();
-
+
after_parse_default ();
}
}
static int
-make_import_fixup (arelent *rel, asection *s)
+make_import_fixup (arelent *rel, asection *s, char *name)
{
struct bfd_symbol *sym = *rel->sym_ptr_ptr;
char addend[8];
memset (addend, 0, sizeof (addend));
switch ((rel->howto->bitsize))
{
- case 8:
- suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1);
- if (suc && rel->howto->pc_relative)
- _addend = (bfd_vma) ((bfd_signed_vma) ((char) bfd_get_8 (s->owner, addend)));
- else if (suc)
- _addend = ((bfd_vma) bfd_get_8 (s->owner, addend)) & 0xff;
- break;
- case 16:
- suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2);
- if (suc && rel->howto->pc_relative)
- _addend = (bfd_vma) ((bfd_signed_vma) ((short) bfd_get_16 (s->owner, addend)));
- else if (suc)
- _addend = ((bfd_vma) bfd_get_16 (s->owner, addend)) & 0xffff;
- break;
- case 32:
- suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4);
- if (suc && rel->howto->pc_relative)
- _addend = (bfd_vma) ((bfd_signed_vma) ((int) bfd_get_32 (s->owner, addend)));
- else if (suc)
- _addend = ((bfd_vma) bfd_get_32 (s->owner, addend)) & 0xffffffff;
- break;
- case 64:
- suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8);
- if (suc)
- _addend = ((bfd_vma) bfd_get_64 (s->owner, addend));
- break;
+ case 8:
+ suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 1);
+ if (suc && rel->howto->pc_relative)
+ _addend = bfd_get_signed_8 (s->owner, addend);
+ else if (suc)
+ _addend = bfd_get_8 (s->owner, addend);
+ break;
+ case 16:
+ suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 2);
+ if (suc && rel->howto->pc_relative)
+ _addend = bfd_get_signed_16 (s->owner, addend);
+ else if (suc)
+ _addend = bfd_get_16 (s->owner, addend);
+ break;
+ case 32:
+ suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 4);
+ if (suc && rel->howto->pc_relative)
+ _addend = bfd_get_signed_32 (s->owner, addend);
+ else if (suc)
+ _addend = bfd_get_32 (s->owner, addend);
+ break;
+ case 64:
+ suc = bfd_get_section_contents (s->owner, s, addend, rel->address, 8);
+ if (suc)
+ _addend = bfd_get_64 (s->owner, addend);
+ break;
}
if (! suc)
einfo (_("%C: Cannot get section contents - auto-import exception\n"),
if (pep_dll_extra_pe_debug)
{
- printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx", (long) _addend, (long) rel->addend, (long) rel->address);
- if (rel->howto->pc_relative) printf (" pcrel");
- printf (" %d bit rel.\n",(int) rel->howto->bitsize);
- }
- pep_create_import_fixup (rel, s, _addend);
+ printf ("import of 0x%lx(0x%lx) sec_addr=0x%lx",
+ (long) _addend, (long) rel->addend, (long) rel->address);
+ if (rel->howto->pc_relative)
+ printf (" pcrel");
+ printf (" %d bit rel.\n", (int) rel->howto->bitsize);
+ }
+ pep_create_import_fixup (rel, s, _addend, name);
return 1;
}
pep_find_data_imports (void)
{
struct bfd_link_hash_entry *undef, *sym;
+ size_t namelen;
+ char *buf, *name;
if (link_info.pei386_auto_import == 0)
return;
- for (undef = link_info.hash->undefs; undef; undef=undef->u.undef.next)
+ namelen = 0;
+ 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];
+ size_t len = strlen (undef->root.string);
+ if (namelen < len)
+ namelen = len;
+ }
+ }
+ if (namelen == 0)
+ return;
+
+ /* We are being a bit cunning here. The buffer will have space for
+ prefixes at the beginning. The prefix is modified here and in a
+ number of functions called from this function. */
+#define PREFIX_LEN 32
+ buf = xmalloc (PREFIX_LEN + namelen + 1);
+ name = buf + PREFIX_LEN;
+
+ for (undef = link_info.hash->undefs; undef; undef = undef->u.undef.next)
+ {
+ if (undef->type == bfd_link_hash_undefined)
+ {
+ char *impname;
if (pep_dll_extra_pe_debug)
printf ("%s:%s\n", __FUNCTION__, undef->root.string);
- sprintf (buf, "__imp_%s", undef->root.string);
+ strcpy (name, undef->root.string);
+ impname = name - (sizeof "__imp_" - 1);
+ memcpy (impname, "__imp_", sizeof "__imp_" - 1);
- sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
+ sym = bfd_link_hash_lookup (link_info.hash, impname, 0, 0, 1);
if (sym && sym->type == bfd_link_hash_defined)
{
asymbol **symbols;
int nsyms, i;
- if (link_info.pei386_auto_import == -1)
- {
- static bfd_boolean warned = FALSE;
-
- info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
- undef->root.string, buf);
-
- /* PR linker/4844. */
- if (! warned)
- {
- warned = TRUE;
- einfo (_("%P: warning: auto-importing has been activated without --enable-auto-import specified on the command line.\n\
-This should work unless it involves constant data structures referencing symbols from auto-imported DLLs.\n"));
- }
- }
-
if (!bfd_generic_link_read_symbols (b))
{
einfo (_("%B%F: could not read symbols: %E\n"), b);
if (pep_dll_extra_pe_debug)
printf ("->%s\n", symbols[i]->name);
- pep_data_import_dll = (char*) (symbols[i]->name +
- U_SIZE ("_head_") - 1);
+ pep_data_import_dll = (char *) (symbols[i]->name
+ + U_SIZE ("_head_") - 1);
break;
}
- pep_walk_relocs_of_symbol (&link_info, undef->root.string,
- make_import_fixup);
+ pep_walk_relocs_of_symbol (&link_info, name, 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. */
+ Still, IMHO it's better than having name polluted. */
undef->root.string = sym->root.string;
undef->u.def.value = sym->u.def.value;
undef->u.def.section = sym->u.def.section;
}
}
}
+ free (buf);
}
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);
+ printf ("+%s\n", h->string);
return TRUE;
}
#endif /* DLL_SUPPORT */
-static void
+static void
debug_section_p (bfd *abfd ATTRIBUTE_UNUSED, asection *sect, void *obj)
{
int *found = (int *) obj;
+
if (strncmp (".debug_", sect->name, sizeof (".debug_") - 1) == 0)
*found = 1;
}
+static bfd_boolean
+pecoff_checksum_contents (bfd *abfd,
+ void (*process) (const void *, size_t, void *),
+ void *arg)
+{
+ file_ptr filepos = (file_ptr) 0;
+
+ while (1)
+ {
+ unsigned char b;
+ int status;
+
+ if (bfd_seek (abfd, filepos, SEEK_SET) != 0)
+ return 0;
+
+ status = bfd_bread (&b, (bfd_size_type) 1, abfd);
+ if (status < 1)
+ {
+ break;
+ }
+
+ (*process) (&b, 1, arg);
+ filepos += 1;
+ }
+
+ return TRUE;
+}
+
+static bfd_boolean
+write_build_id (bfd *abfd)
+{
+ struct pe_tdata *t = pe_data (abfd);
+ asection *asec;
+ struct bfd_link_order *link_order = NULL;
+ unsigned char *contents;
+ bfd_size_type size;
+ bfd_size_type build_id_size;
+ unsigned char *build_id;
+
+ /* Find the section the .buildid output section has been merged info. */
+ for (asec = abfd->sections; asec != NULL; asec = asec->next)
+ {
+ struct bfd_link_order *l = NULL;
+ for (l = asec->map_head.link_order; l != NULL; l = l->next)
+ {
+ if (l->type == bfd_indirect_link_order)
+ {
+ if (l->u.indirect.section == t->build_id.sec)
+ {
+ link_order = l;
+ break;
+ }
+ }
+ }
+
+ if (link_order)
+ break;
+ }
+
+ if (!link_order)
+ {
+ einfo (_("%P: warning: .buildid section discarded,"
+ " --build-id ignored.\n"));
+ return TRUE;
+ }
+
+ if (t->build_id.sec->contents == NULL)
+ t->build_id.sec->contents = (unsigned char *) xmalloc (t->build_id.sec->size);
+ contents = t->build_id.sec->contents;
+ size = t->build_id.sec->size;
+
+ build_id_size = compute_build_id_size (t->build_id.style);
+ build_id = xmalloc (build_id_size);
+ generate_build_id (abfd, t->build_id.style, pecoff_checksum_contents, build_id, build_id_size);
+
+ bfd_vma ib = pe_data (link_info.output_bfd)->pe_opthdr.ImageBase;
+
+ /* Construct a debug directory entry which points to an immediately following CodeView record. */
+ struct internal_IMAGE_DEBUG_DIRECTORY idd;
+ idd.Characteristics = 0;
+ idd.TimeDateStamp = 0;
+ idd.MajorVersion = 0;
+ idd.MinorVersion = 0;
+ idd.Type = PE_IMAGE_DEBUG_TYPE_CODEVIEW;
+ idd.SizeOfData = sizeof (CV_INFO_PDB70) + 1;
+ idd.AddressOfRawData = asec->vma - ib + link_order->offset
+ + sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
+ idd.PointerToRawData = asec->filepos + link_order->offset
+ + sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
+
+ struct external_IMAGE_DEBUG_DIRECTORY *ext = (struct external_IMAGE_DEBUG_DIRECTORY *)contents;
+ _bfd_XXi_swap_debugdir_out (abfd, &idd, ext);
+
+ /* Write the debug directory enttry */
+ if (bfd_seek (abfd, asec->filepos + link_order->offset, SEEK_SET) != 0)
+ return 0;
+
+ if (bfd_bwrite (contents, size, abfd) != size)
+ return 0;
+
+ /* Construct the CodeView record. */
+ CODEVIEW_INFO cvinfo;
+ cvinfo.CVSignature = CVINFO_PDB70_CVSIGNATURE;
+ cvinfo.Age = 1;
+
+ /* Zero pad or truncate the generated build_id to fit in the CodeView record. */
+ memset (&(cvinfo.Signature), 0, CV_INFO_SIGNATURE_LENGTH);
+ memcpy (&(cvinfo.Signature), build_id, (build_id_size > CV_INFO_SIGNATURE_LENGTH)
+ ? CV_INFO_SIGNATURE_LENGTH : build_id_size);
+
+ free (build_id);
+
+ /* Write the codeview record. */
+ if (_bfd_XXi_write_codeview_record (abfd, idd.PointerToRawData, &cvinfo) == 0)
+ return 0;
+
+ /* Record the location of the debug directory in the data directory. */
+ pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].VirtualAddress
+ = asec->vma - ib + link_order->offset;
+ pe_data (link_info.output_bfd)->pe_opthdr.DataDirectory[PE_DEBUG_DATA].Size
+ = sizeof (struct external_IMAGE_DEBUG_DIRECTORY);
+
+ return TRUE;
+}
+
+/* Make .buildid section, and set up coff_tdata->build_id. */
+static bfd_boolean
+setup_build_id (bfd *ibfd)
+{
+ asection *s;
+ flagword flags;
+
+ if (!validate_build_id_style (emit_build_id))
+ {
+ einfo (_("%P: warning: unrecognized --build-id style ignored.\n"));
+ return FALSE;
+ }
+
+ flags = (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_IN_MEMORY
+ | SEC_LINKER_CREATED | SEC_READONLY | SEC_DATA);
+ s = bfd_make_section_anyway_with_flags (ibfd, ".buildid", flags);
+ if (s != NULL)
+ {
+ struct pe_tdata *t = pe_data (link_info.output_bfd);
+ t->build_id.after_write_object_contents = &write_build_id;
+ t->build_id.style = emit_build_id;
+ t->build_id.sec = s;
+
+ /* Section is a fixed size:
+ One IMAGE_DEBUG_DIRECTORY entry, of type IMAGE_DEBUG_TYPE_CODEVIEW,
+ pointing at a CV_INFO_PDB70 record containing the build-id, with a
+ null byte for PdbFileName. */
+ s->size = sizeof (struct external_IMAGE_DEBUG_DIRECTORY)
+ + sizeof (CV_INFO_PDB70) + 1;
+
+ return TRUE;
+ }
+
+ einfo (_("%P: warning: Cannot create .buildid section,"
+ " --build-id ignored.\n"));
+ return FALSE;
+}
+
static void
gld_${EMULATION_NAME}_after_open (void)
{
+ after_open_default ();
+
+ is_underscoring ();
#ifdef DLL_SUPPORT
if (pep_dll_extra_pe_debug)
{
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)
+ for (a = link_info.input_bfds; a; a = a->link.next)
printf ("*%s\n",a->filename);
}
#endif
+ if (emit_build_id != NULL)
+ {
+ bfd *abfd;
+
+ /* Find a COFF input. */
+ for (abfd = link_info.input_bfds;
+ abfd != (bfd *) NULL; abfd = abfd->link.next)
+ if (bfd_get_flavour (abfd) == bfd_target_coff_flavour)
+ break;
+
+ /* If there are no COFF input files do not try to
+ add a build-id section. */
+ if (abfd == NULL
+ || !setup_build_id (abfd))
+ {
+ free ((char *) emit_build_id);
+ emit_build_id = NULL;
+ }
+ }
+
/* 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. */
pe_data (link_info.output_bfd)->pe_opthdr = pep;
pe_data (link_info.output_bfd)->dll = init[DLLOFF].value;
pe_data (link_info.output_bfd)->real_flags |= real_flags;
+ pe_data (link_info.output_bfd)->insert_timestamp = insert_timestamp;
/* At this point we must decide whether to use long section names
in the output or not. If the user hasn't explicitly specified
find it, so enable it in that case. */
if (pep_use_coff_long_section_names < 0 && link_info.strip == strip_none)
{
- /* Iterate over all sections of all input BFDs, checking
- for any that begin 'debug_' and are long names. */
- LANG_FOR_EACH_INPUT_STATEMENT (is)
+ if (bfd_link_relocatable (&link_info))
+ pep_use_coff_long_section_names = 1;
+ else
{
- int found_debug = 0;
- bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
- if (found_debug)
- {
- pep_use_coff_long_section_names = 1;
- break;
- }
+ /* Iterate over all sections of all input BFDs, checking
+ for any that begin 'debug_' and are long names. */
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ int found_debug = 0;
+
+ bfd_map_over_sections (is->the_bfd, debug_section_p, &found_debug);
+ if (found_debug)
+ {
+ pep_use_coff_long_section_names = 1;
+ break;
+ }
+ }
}
}
pep_fixup_stdcalls ();
#ifndef TARGET_IS_i386pep
- if (link_info.shared)
+ if (bfd_link_pic (&link_info))
#else
- if (!link_info.relocatable)
+ if (!bfd_link_relocatable (&link_info))
#endif
pep_dll_build_sections (link_info.output_bfd, &link_info);
if (nrelocs < 0)
{
free (relocs);
- einfo ("%X%P: unable to process relocs: %E\n");
+ einfo (_("%X%P: unable to process relocs: %E\n"));
return;
}
? bfd_get_filename (blhe->u.def.section->owner->my_archive)
: bfd_get_filename (blhe->u.def.section->owner);
- if (strcmp (bfd_get_filename (is->the_bfd->my_archive),
- other_bfd_filename) == 0)
+ if (filename_cmp (bfd_get_filename
+ (is->the_bfd->my_archive),
+ other_bfd_filename) == 0)
continue;
/* Rename this implib to match the other one. */
extension, and use that for the remainder of the
comparisons. */
pnt = strrchr (is3->the_bfd->filename, '.');
- if (pnt != NULL && strcmp (pnt, ".dll") == 0)
+ if (pnt != NULL && filename_cmp (pnt, ".dll") == 0)
break;
}
/* Skip static members, ie anything with a .obj
extension. */
pnt = strrchr (is2->the_bfd->filename, '.');
- if (pnt != NULL && strcmp (pnt, ".obj") == 0)
+ if (pnt != NULL && filename_cmp (pnt, ".obj") == 0)
continue;
- if (strcmp (is3->the_bfd->filename,
- is2->the_bfd->filename))
+ if (filename_cmp (is3->the_bfd->filename,
+ is2->the_bfd->filename))
{
is_ms_arch = 0;
break;
then leave the filename alone. */
pnt = strrchr (is->the_bfd->filename, '.');
- if (is_ms_arch && (strcmp (pnt, ".dll") == 0))
+ if (is_ms_arch && (filename_cmp (pnt, ".dll") == 0))
{
int idata2 = 0, reloc_count=0;
asection *sec;
static void
gld_${EMULATION_NAME}_before_allocation (void)
{
+ is_underscoring ();
before_allocation_default ();
}
\f
{
int i;
+ is_underscoring ();
+
for (i = 0; init[i].ptr; i++)
if (strcmp (GET_INIT_SYMBOL_NAME (i), option) == 0)
return init[i].inited;
#ifdef DLL_SUPPORT
const char *ext = entry->filename + strlen (entry->filename) - 4;
- if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
+ if (filename_cmp (ext, ".def") == 0 || filename_cmp (ext, ".DEF") == 0)
{
pep_def_file = def_file_parse (entry->filename, pep_def_file);
/* def_file_print (stdout, pep_def_file); */
if (pep_def_file->is_dll == 1)
- link_info.shared = 1;
+ link_info.type = type_dll;
if (pep_def_file->base_address != (bfd_vma)(-1))
{
= pep_def_file->base_address;
init[IMAGEBASEOFF].inited = 1;
if (image_base_statement)
- image_base_statement->exp = exp_assop ('=', "__image_base__",
- exp_intop (pep.ImageBase));
+ image_base_statement->exp
+ = exp_assign ("__image_base__", exp_intop (pep.ImageBase),
+ FALSE);
}
if (pep_def_file->stack_reserve != -1
static bfd_boolean
gld_${EMULATION_NAME}_recognized_file (lang_input_statement_type *entry ATTRIBUTE_UNUSED)
{
+ is_underscoring ();
#ifdef DLL_SUPPORT
#ifdef TARGET_IS_i386pep
pep_dll_id_target ("pei-x86-64");
static void
gld_${EMULATION_NAME}_finish (void)
{
+ is_underscoring ();
finish_default ();
#ifdef DLL_SUPPORT
- if (link_info.shared
- || (!link_info.relocatable && pep_def_file->num_exports != 0))
+ if (bfd_link_pic (&link_info)
+ || (!bfd_link_relocatable (&link_info)
+ && pep_def_file->num_exports != 0))
{
pep_dll_fill_sections (link_info.output_bfd, &link_info);
- if (pep_implib_filename)
- pep_dll_generate_implib (pep_def_file, pep_implib_filename, &link_info);
+ if (command_line.out_implib_filename)
+ pep_dll_generate_implib (pep_def_file,
+ command_line.out_implib_filename, &link_info);
}
if (pep_out_def_filename)
lang_statement_union_type **pl;
/* Look through the script to see where to place this section. */
- if (!link_info.relocatable
+ if (!bfd_link_relocatable (&link_info)
&& (dollar = strchr (secname, '\$')) != NULL)
{
size_t len = dollar - secname;
If the section already exists but does not have any flags set,
then it has been created by the linker, probably as a result of
a --section-start command line switch. */
- lang_add_section (&add_child, s, os);
+ lang_add_section (&add_child, s, NULL, os);
break;
}
unused one and use that. */
if (os == NULL && match_by_name)
{
- lang_add_section (&match_by_name->children, s, match_by_name);
+ lang_add_section (&match_by_name->children, s, NULL, match_by_name);
return match_by_name;
}
{ ".text",
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE,
0, 0, 0, 0 },
+ { ".idata",
+ SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
+ 0, 0, 0, 0 },
{ ".rdata",
SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA,
0, 0, 0, 0 },
enum orphan_save_index
{
orphan_text = 0,
+ orphan_idata,
orphan_rodata,
orphan_data,
orphan_bss
struct orphan_save *place;
lang_output_section_statement_type *after;
etree_type *address;
+ flagword flags;
+ asection *nexts;
if (!orphan_init_done)
{
orphan_init_done = 1;
}
+ flags = s->flags;
+ if (!bfd_link_relocatable (&link_info))
+ {
+ nexts = s;
+ while ((nexts = bfd_get_next_section_by_name (nexts->owner,
+ nexts)))
+ if (nexts->output_section == NULL
+ && (nexts->flags & SEC_EXCLUDE) == 0
+ && ((nexts->flags ^ flags) & (SEC_LOAD | SEC_ALLOC)) == 0
+ && (nexts->owner->flags & DYNAMIC) == 0
+ && nexts->owner->usrdata != NULL
+ && !(((lang_input_statement_type *) nexts->owner->usrdata)
+ ->flags.just_syms))
+ flags = (((flags ^ SEC_READONLY)
+ | (nexts->flags ^ SEC_READONLY))
+ ^ SEC_READONLY);
+ }
+
/* 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)
+ if ((flags & SEC_ALLOC) == 0)
;
- else if ((s->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
+ else if ((flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
place = &hold[orphan_bss];
- else if ((s->flags & SEC_READONLY) == 0)
+ else if ((flags & SEC_READONLY) == 0)
place = &hold[orphan_data];
- else if ((s->flags & SEC_CODE) == 0)
- place = &hold[orphan_rodata];
+ else if ((flags & SEC_CODE) == 0)
+ {
+ place = (!strncmp (secname, ".idata\$", 7) ? &hold[orphan_idata]
+ : &hold[orphan_rodata]);
+ }
else
place = &hold[orphan_text];
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);
+ after = lang_output_section_find_by_flags (s, flags, &place->os,
+ NULL);
if (after == NULL)
/* *ABS* is always the first output section statement. */
after = (&lang_output_section_statement.head
->output_section_statement);
}
- /* All sections in an executable must be aligned to a page boundary. */
+ /* All sections in an executable must be aligned to a page boundary.
+ In a relocatable link, just preserve the incoming alignment; the
+ address is discarded by lang_insert_orphan in that case, anyway. */
address = exp_unop (ALIGN_K, exp_nameop (NAME, "__section_alignment__"));
os = lang_insert_orphan (s, secname, constraint, after, place, address,
&add_child);
+ if (bfd_link_relocatable (&link_info))
+ {
+ os->section_alignment = s->alignment_power;
+ os->bfd_section->alignment_power = s->alignment_power;
+ }
}
/* If the section name has a '\$', sort it with the other '\$'
/* 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. */
+ 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 },
unsigned int i;
- if (! entry->is_archive)
+ if (! entry->flags.maybe_archive || entry->flags.full_name_provided)
return FALSE;
filename = entry->filename;
{
*isfile = 0;
- if (link_info.relocatable && config.build_constructors)
+ if (bfd_link_relocatable (&link_info) && 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
+echo ' ; else if (bfd_link_relocatable (&link_info)) 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${EMULATION_NAME}.c
if test -n "$GENERATE_AUTO_IMPORT_SCRIPT" ; then
-echo ' ; else if (link_info.pei386_auto_import == 1) return' >> e${EMULATION_NAME}.c
+echo ' ; else if (link_info.pei386_auto_import == 1 && link_info.pei386_runtime_pseudo_reloc != 2) return' >> e${EMULATION_NAME}.c
sed $sc ldscripts/${EMULATION_NAME}.xa >> e${EMULATION_NAME}.c
fi
echo ' ; else return' >> e${EMULATION_NAME}.c
hll_default,
gld_${EMULATION_NAME}_after_parse,
gld_${EMULATION_NAME}_after_open,
+ after_check_relocs_default,
after_allocation_default,
set_output_arch_default,
ldemul_default_target,
gld_${EMULATION_NAME}_list_options,
gld_${EMULATION_NAME}_recognized_file,
gld_${EMULATION_NAME}_find_potential_libraries,
- NULL /* new_vers_pattern. */
+ NULL, /* new_vers_pattern. */
+ NULL /* extra_map_file_text */
};
EOF
projects / deliverable / binutils-gdb.git / blobdiff