# This shell script emits a C file. -*- C -*-
# It does some substitutions.
-cat >e${EMULATION_NAME}.c <<EOF
+(echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
+cat >>e${EMULATION_NAME}.c <<EOF
/* This file is part of GLD, the Gnu Linker.
Copyright 1995, 96, 97, 1998 Free Software Foundation, Inc.
#include "ldfile.h"
#include "coff/internal.h"
#include "../bfd/libcoff.h"
+#include "../bfd/libbfd.h"
#include "deffile.h"
#define TARGET_IS_${EMULATION_NAME}
+#if defined(TARGET_IS_i386pe)
+#define DLL_SUPPORT
+#endif
+
+#define PE_DEF_SUBSYSTEM 3
+
static void gld_${EMULATION_NAME}_set_symbols PARAMS ((void));
static void gld_${EMULATION_NAME}_after_open PARAMS ((void));
static void gld_${EMULATION_NAME}_before_parse PARAMS ((void));
{
output_filename = "a.exe";
ldfile_output_architecture = bfd_arch_${ARCH};
-#ifdef TARGET_IS_i386pe
+#ifdef DLL_SUPPORT
config.has_shared = 1;
#endif
}
{"stack", required_argument, NULL, OPTION_STACK},
{"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
{"support-old-code", no_argument, NULL, OPTION_SUPPORT_OLD_CODE},
-#ifdef TARGET_IS_i386pe
+#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},
D(MinorImageVersion,"__minor_image_version__", 0),
D(MajorSubsystemVersion,"__major_subsystem_version__", 4),
D(MinorSubsystemVersion,"__minor_subsystem_version__", 0),
- D(Subsystem,"__subsystem__", 3),
+ D(Subsystem,"__subsystem__", PE_DEF_SUBSYSTEM),
D(SizeOfStackReserve,"__size_of_stack_reserve__", 0x2000000),
D(SizeOfStackCommit,"__size_of_stack_commit__", 0x1000),
D(SizeOfHeapReserve,"__size_of_heap_reserve__", 0x100000),
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 TARGET_IS_i386pe
+#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"));
case OPTION_SUPPORT_OLD_CODE:
support_old_code = 1;
break;
+#ifdef DLL_SUPPORT
case OPTION_OUT_DEF:
pe_out_def_filename = xstrdup (optarg);
break;
pe_dll_export_everything = 1;
break;
case OPTION_EXCLUDE_SYMBOLS:
-#ifdef TARGET_IS_i386pe
pe_dll_add_excludes (optarg);
-#endif
break;
case OPTION_KILL_ATS:
pe_dll_kill_ats = 1;
case OPTION_IMPLIB_FILENAME:
pe_implib_filename = xstrdup (optarg);
break;
+#endif
}
return 1;
}
pe_data (output_bfd)->pe_opthdr = pe;
pe_data (output_bfd)->dll = init[DLLOFF].value;
-#ifdef TARGET_IS_i386pe
+#ifdef DLL_SUPPORT
if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
pe_fixup_stdcalls ();
}
}
#endif
+
+ {
+ static int sequence = 0;
+ int is_ms_arch;
+ bfd *cur_arch = 0, *elt;
+ lang_input_statement_type *is2;
+ /* 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)
+ {
+ bfd *arch = is->the_bfd->my_archive;
+ if (cur_arch != arch)
+ {
+ cur_arch = arch;
+ is_ms_arch = 1;
+ for (is2 = is;
+ is2 && is2->the_bfd->my_archive == arch;
+ is2 = (lang_input_statement_type *)is2->next)
+ {
+ if (strcmp (is->the_bfd->filename, is2->the_bfd->filename))
+ is_ms_arch = 0;
+ }
+ }
+
+ if (is_ms_arch)
+ {
+ int idata2 = 0, i, 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 = bfd_alloc (is->the_bfd,
+ strlen (is->the_bfd->filename)+2);
+ sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
+ is->the_bfd->filename = new_name;
+
+ new_name = bfd_alloc(is->the_bfd, strlen(is->filename)+2);
+ sprintf (new_name, "%s.%c", is->filename, seq);
+ is->filename = new_name;
+ }
+ }
+ }
+ }
}
\f
static void
gld_${EMULATION_NAME}_unrecognized_file(entry)
lang_input_statement_type *entry;
{
-#ifdef TARGET_IS_i386pe
+#ifdef DLL_SUPPORT
const char *ext = entry->filename + strlen (entry->filename) - 4;
if (strcmp (ext, ".def") == 0 || strcmp (ext, ".DEF") == 0)
gld_${EMULATION_NAME}_recognized_file(entry)
lang_input_statement_type *entry;
{
+#ifdef DLL_SUPPORT
#ifdef TARGET_IS_i386pe
+ pe_dll_id_target ("pei-i386");
+#endif
if (bfd_get_format (entry->the_bfd) == bfd_object)
{
const char *ext = entry->filename + strlen (entry->filename) - 4;
static void
gld_${EMULATION_NAME}_finish ()
{
-#ifdef TARGET_IS_i386pe
+#ifdef DLL_SUPPORT
if (link_info.shared)
{
pe_dll_fill_sections (output_bfd, &link_info);
static unsigned char *edata_d, *reloc_d;
static int edata_sz, reloc_sz;
+typedef struct {
+ char *target_name;
+ char *object_target;
+ int imagebase_reloc;
+ int pe_arch;
+ int bfd_arch;
+ int underscored;
+} pe_details_type;
+
+#define PE_ARCH_i386 1
+
+static pe_details_type pe_detail_list[] = {
+ {
+ "pei-i386",
+ "pe-i386",
+ 7 /* R_IMAGEBASE */,
+ PE_ARCH_i386,
+ bfd_arch_i386,
+ 1
+ },
+ { 0 }
+};
+
+static pe_details_type *pe_details;
+
+#define U(str) (pe_details->underscored ? "_" str : str)
+
+void
+pe_dll_id_target (target)
+ char *target;
+{
+ int i;
+ for (i=0; pe_detail_list[i].target_name; i++)
+ if (strcmp (pe_detail_list[i].target_name, target) == 0)
+ {
+ pe_details = pe_detail_list+i;
+ return;
+ }
+ einfo (_("%XUnsupported PEI architecture: %s\n"), target);
+ exit (1);
+}
+
/************************************************************************
Helper functions for qsort. Relocs must be sorted so that we can write
************************************************************************/
+typedef struct {
+ bfd_vma vma;
+ char type;
+ short extra;
+} reloc_data_type;
+
static int
reloc_sort (va, vb)
const void *va, *vb;
{
- bfd_vma a = *(bfd_vma *) va;
- bfd_vma b = *(bfd_vma *) vb;
- return (a > b) - (a < b);
+ bfd_vma a = ((reloc_data_type *) va)->vma;
+ bfd_vma b = ((reloc_data_type *) vb)->vma;
+ return (a > b) ? 1 : ((a < b) ? -1 : 0);
}
static int
for (i = 0; i < NE; i++)
{
char *name = (char *) xmalloc (strlen (pe_def_file->exports[i].internal_name) + 2);
- *name = '_';
- strcpy (name + 1, pe_def_file->exports[i].internal_name);
+ if (pe_details->underscored)
+ {
+ *name = '_';
+ strcpy (name + 1, pe_def_file->exports[i].internal_name);
+ }
+ else
+ strcpy (name, pe_def_file->exports[i].internal_name);
blhe = bfd_link_hash_lookup (info->hash,
name,
************************************************************************/
static void
-build_filler_bfd ()
+build_filler_bfd (include_edata)
+ int include_edata;
{
lang_input_statement_type *filler_file;
filler_file = lang_add_input_file ("dll stuff",
return;
}
- edata_s = bfd_make_section_old_way (filler_bfd, ".edata");
- if (edata_s == NULL
- || !bfd_set_section_flags (filler_bfd, edata_s,
- (SEC_HAS_CONTENTS
- | SEC_ALLOC
- | SEC_LOAD
- | SEC_KEEP
- | SEC_IN_MEMORY)))
+ if (include_edata)
{
- einfo ("%X%P: can not create .edata section: %E\n");
- return;
+ edata_s = bfd_make_section_old_way (filler_bfd, ".edata");
+ if (edata_s == NULL
+ || !bfd_set_section_flags (filler_bfd, edata_s,
+ (SEC_HAS_CONTENTS
+ | SEC_ALLOC
+ | SEC_LOAD
+ | SEC_KEEP
+ | SEC_IN_MEMORY)))
+ {
+ einfo ("%X%P: can not create .edata section: %E\n");
+ return;
+ }
+ bfd_set_section_size (filler_bfd, edata_s, edata_sz);
}
- bfd_set_section_size (filler_bfd, edata_s, edata_sz);
reloc_s = bfd_make_section_old_way (filler_bfd, ".reloc");
if (reloc_s == NULL
{
/* for .reloc stuff */
- bfd_vma *reloc_addresses;
+ reloc_data_type *reloc_data;
int total_relocs = 0;
int i;
unsigned long sec_page = (unsigned long) (-1);
for (s = b->sections; s; s = s->next)
total_relocs += s->reloc_count;
- reloc_addresses = (bfd_vma *) xmalloc (total_relocs * sizeof (bfd_vma));
+ reloc_data = (reloc_data_type *) xmalloc (total_relocs * sizeof (reloc_data_type));
total_relocs = 0;
bi = 0;
for (i = 0; i < nrelocs; i++)
{
if (!relocs[i]->howto->pc_relative
- && relocs[i]->howto->type != R_IMAGEBASE)
+ && relocs[i]->howto->type != pe_details->imagebase_reloc)
{
- switch (relocs[i]->howto->bitsize)
+ bfd_vma sym_vma;
+ struct symbol_cache_entry *sym = *relocs[i]->sym_ptr_ptr;
+ sym_vma = (relocs[i]->addend
+ + sym->value
+ + sym->section->vma
+ + sym->section->output_offset
+ + sym->section->output_section->vma);
+ reloc_data[total_relocs].vma = sec_vma + relocs[i]->address;
+ switch (relocs[i]->howto->bitsize*1000
+ + relocs[i]->howto->rightshift)
{
- case 32:
- reloc_addresses[total_relocs++] = sec_vma + relocs[i]->address;
+ case 32000:
+ reloc_data[total_relocs].type = 3;
+ total_relocs++;
break;
default:
/* xgettext:c-format */
reloc_addresses, which are all suitable for the .reloc section.
We must now create the new sections. */
- qsort (reloc_addresses, total_relocs, sizeof (bfd_vma), reloc_sort);
+ qsort (reloc_data, total_relocs, sizeof (*reloc_data), reloc_sort);
for (i = 0; i < total_relocs; i++)
{
- unsigned long this_page = (reloc_addresses[i] >> 12);
+ unsigned long this_page = (reloc_data[i].vma >> 12);
if (this_page != sec_page)
{
reloc_sz = (reloc_sz + 3) & ~3; /* 4-byte align */
page_count = 0;
for (i = 0; i < total_relocs; i++)
{
- unsigned long rva = reloc_addresses[i] - image_base;
+ unsigned long rva = reloc_data[i].vma - image_base;
unsigned long this_page = (rva & ~0xfff);
if (this_page != sec_page)
{
sec_page = this_page;
page_count = 0;
}
- bfd_put_16 (abfd, (rva & 0xfff) + 0x3000, reloc_d + reloc_sz);
+ bfd_put_16 (abfd, (rva & 0xfff) + (reloc_data[i].type<<12),
+ reloc_d + reloc_sz);
reloc_sz += 2;
+ if (reloc_data[i].type == 4)
+ {
+ bfd_put_16 (abfd, reloc_data[i].extra, reloc_d + reloc_sz);
+ reloc_sz += 2;
+ }
page_count++;
}
while (reloc_sz & 3)
tmp_seq++;
abfd = bfd_create (oname, parent);
- bfd_find_target ("pe-i386", abfd);
+ bfd_find_target (pe_details->object_target, abfd);
bfd_make_writable (abfd);
bfd_set_format (abfd, bfd_object);
- bfd_set_arch_mach (abfd, bfd_arch_i386, 0);
+ bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0);
symptr = 0;
symtab = (asymbol **) xmalloc (6 * sizeof (asymbol *));
id2 = quick_section (abfd, ".idata$2", SEC_HAS_CONTENTS, 2);
id5 = quick_section (abfd, ".idata$5", SEC_HAS_CONTENTS, 2);
id4 = quick_section (abfd, ".idata$4", SEC_HAS_CONTENTS, 2);
- quick_symbol (abfd, "__head_", dll_symname, "", id2, BSF_GLOBAL, 0);
- quick_symbol (abfd, "_", dll_symname, "_iname", UNDSEC, BSF_GLOBAL, 0);
+ quick_symbol (abfd, U("_head_"), dll_symname, "", id2, BSF_GLOBAL, 0);
+ quick_symbol (abfd, U(""), dll_symname, "_iname", UNDSEC, BSF_GLOBAL, 0);
+
+ /* OK, pay attention here. I got confused myself looking back at
+ it. We create a four-byte section to mark the beginning of the
+ list, and we include an offset of 4 in the section, so that the
+ pointer to the list points to the *end* of this section, which is
+ the start of the list of sections from other objects. */
bfd_set_section_size (abfd, id2, 20);
d2 = (unsigned char *) xmalloc (20);
tmp_seq++;
abfd = bfd_create (oname, parent);
- bfd_find_target ("pe-i386", abfd);
+ bfd_find_target (pe_details->object_target, abfd);
bfd_make_writable (abfd);
bfd_set_format (abfd, bfd_object);
- bfd_set_arch_mach (abfd, bfd_arch_i386, 0);
+ bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0);
symptr = 0;
symtab = (asymbol **) xmalloc (5 * sizeof (asymbol *));
id4 = quick_section (abfd, ".idata$4", SEC_HAS_CONTENTS, 2);
id5 = quick_section (abfd, ".idata$5", SEC_HAS_CONTENTS, 2);
id7 = quick_section (abfd, ".idata$7", SEC_HAS_CONTENTS, 2);
- quick_symbol (abfd, "_", dll_symname, "_iname", id7, BSF_GLOBAL, 0);
+ quick_symbol (abfd, U(""), dll_symname, "_iname", id7, BSF_GLOBAL, 0);
bfd_set_section_size (abfd, id4, 4);
d4 = (unsigned char *) xmalloc (4);
int len;
char *oname;
bfd *abfd;
+ unsigned char *jmp_bytes;
+ int jmp_byte_count;
+
+ switch (pe_details->pe_arch)
+ {
+ case PE_ARCH_i386:
+ jmp_bytes = jmp_ix86_bytes;
+ jmp_byte_count = sizeof (jmp_ix86_bytes);
+ break;
+ }
oname = (char *) xmalloc (20);
sprintf (oname, "d%06d.o", tmp_seq);
tmp_seq++;
abfd = bfd_create (oname, parent);
- bfd_find_target ("pe-i386", abfd);
+ bfd_find_target (pe_details->object_target, abfd);
bfd_make_writable (abfd);
bfd_set_format (abfd, bfd_object);
- bfd_set_arch_mach (abfd, bfd_arch_i386, 0);
+ bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0);
symptr = 0;
symtab = (asymbol **) xmalloc (10 * sizeof (asymbol *));
id5 = quick_section (abfd, ".idata$5", SEC_HAS_CONTENTS, 2);
id4 = quick_section (abfd, ".idata$4", SEC_HAS_CONTENTS, 2);
id6 = quick_section (abfd, ".idata$6", SEC_HAS_CONTENTS, 2);
- quick_symbol (abfd, "_", exp->internal_name, "", tx, BSF_GLOBAL, 0);
- quick_symbol (abfd, "__head_", dll_symname, "", UNDSEC, BSF_GLOBAL, 0);
- quick_symbol (abfd, "___imp_", exp->internal_name, "", id5, BSF_GLOBAL, 0);
- quick_symbol (abfd, "__imp__", exp->internal_name, "", id5, BSF_GLOBAL, 0);
+ quick_symbol (abfd, U(""), exp->internal_name, "", tx, BSF_GLOBAL, 0);
+ quick_symbol (abfd, U("_head_"), dll_symname, "", UNDSEC, BSF_GLOBAL, 0);
+ quick_symbol (abfd, U("__imp_"), exp->internal_name, "", id5, BSF_GLOBAL, 0);
+ quick_symbol (abfd, U("_imp__"), exp->internal_name, "", id5, BSF_GLOBAL, 0);
- bfd_set_section_size (abfd, tx, 8);
- td = (unsigned char *) xmalloc (8);
+ bfd_set_section_size (abfd, tx, jmp_byte_count);
+ td = (unsigned char *) xmalloc (jmp_byte_count);
tx->contents = td;
- memcpy (td, jmp_ix86_bytes, 8);
- quick_reloc (abfd, 2, BFD_RELOC_32, 2);
+ memcpy (td, jmp_bytes, jmp_byte_count);
+ switch (pe_details->pe_arch)
+ {
+ case PE_ARCH_i386:
+ quick_reloc (abfd, 2, BFD_RELOC_32, 2);
+ break;
+ }
save_relocs (tx);
bfd_set_section_size (abfd, id7, 4);
bfd_set_symtab (abfd, symtab, symptr);
- bfd_set_section_contents (abfd, tx, td, 0, 4);
+ bfd_set_section_contents (abfd, tx, td, 0, jmp_byte_count);
bfd_set_section_contents (abfd, id7, d7, 0, 4);
bfd_set_section_contents (abfd, id5, d5, 0, 4);
bfd_set_section_contents (abfd, id4, d4, 0, 4);
/* Work out a reasonable size of things to put onto one line. */
ar_head = make_head (outarch);
- ar_tail = make_tail (outarch);
-
- if (ar_head == NULL || ar_tail == NULL)
- return;
for (i = 0; i<def->num_exports; i++)
{
def->exports[i].internal_name = internal;
}
+ ar_tail = make_tail (outarch);
+
+ if (ar_head == NULL || ar_tail == NULL)
+ return;
+
/* Now stick them all into the archive */
ar_head->next = head;
struct bfd_link_info *link_info;
{
def_file_module *module;
+ pe_dll_id_target(bfd_get_target (output_bfd));
if (!pe_def_file)
return;
/* see if we need this import */
char *name = (char *) xmalloc (strlen (pe_def_file->imports[i].internal_name) + 2);
- sprintf (name, "_%s", pe_def_file->imports[i].internal_name);
+ sprintf (name, "%s%s", U(""), pe_def_file->imports[i].internal_name);
blhe = bfd_link_hash_lookup (link_info->hash, name,
false, false, false);
free (name);
/* No, I can't use bfd here. kernel32.dll puts its export table in
the middle of the .rdata section. */
- dll = bfd_openr (filename, "pei-i386");
+ dll = bfd_openr (filename, pe_details->target_name);
if (!dll)
{
einfo ("%Xopen %s: %s\n", filename, bfd_errmsg (bfd_get_error ()));
bfd *abfd;
struct bfd_link_info *info;
{
+ pe_dll_id_target (bfd_get_target (abfd));
process_def_file (abfd, info);
generate_edata (abfd, info);
- build_filler_bfd ();
+ build_filler_bfd (1);
+}
+
+void
+pe_exe_build_sections (abfd, info)
+ bfd *abfd;
+ struct bfd_link_info *info;
+{
+ pe_dll_id_target (bfd_get_target (abfd));
+ build_filler_bfd (0);
}
void
bfd *abfd;
struct bfd_link_info *info;
{
+ pe_dll_id_target (bfd_get_target (abfd));
image_base = pe_data (abfd)->pe_opthdr.ImageBase;
generate_reloc (abfd, info);
edata_s->contents = edata_d;
reloc_s->contents = reloc_d;
}
+
+void
+pe_exe_fill_sections (abfd, info)
+ bfd *abfd;
+ struct bfd_link_info *info;
+{
+ pe_dll_id_target (bfd_get_target (abfd));
+ image_base = pe_data (abfd)->pe_opthdr.ImageBase;
+
+ generate_reloc (abfd, info);
+ if (reloc_sz > 0)
+ {
+ bfd_set_section_size (filler_bfd, reloc_s, reloc_sz);
+
+ /* Resize the sections. */
+ lang_size_sections (stat_ptr->head, abs_output_section,
+ &stat_ptr->head, 0, (bfd_vma) 0, false);
+
+ /* Redo special stuff. */
+ ldemul_after_allocation ();
+
+ /* Do the assignments again. */
+ lang_do_assignments (stat_ptr->head,
+ abs_output_section,
+ (fill_type) 0, (bfd_vma) 0);
+ }
+ reloc_s->contents = reloc_d;
+}
projects / binutils-gdb.git / commitdiff