/* Routines to help build PEI-format DLLs (Win32 etc)
- Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
Written by DJ Delorie <dj@cygnus.com>
This file is part of GLD, the Gnu Linker.
#include "ldmisc.h"
#include "ldgram.h"
#include "ldmain.h"
+#include "ldfile.h"
#include "ldemul.h"
#include "coff/internal.h"
#include "../bfd/libcoff.h"
#include "deffile.h"
+#include "pe-dll.h"
/************************************************************************
int pe_dll_do_default_excludes = 1;
int pe_dll_kill_ats = 0;
int pe_dll_stdcall_aliases = 0;
+int pe_dll_warn_dup_exports = 0;
+int pe_dll_compat_implib = 0;
/************************************************************************
static bfd *filler_bfd;
static struct sec *edata_s, *reloc_s;
static unsigned char *edata_d, *reloc_d;
-static int edata_sz, reloc_sz;
+static size_t edata_sz, reloc_sz;
+
+typedef struct {
+ char *target_name;
+ char *object_target;
+ unsigned int imagebase_reloc;
+ int pe_arch;
+ int bfd_arch;
+ int underscored;
+} pe_details_type;
+
+#define PE_ARCH_i386 1
+#define PE_ARCH_sh 2
+#define PE_ARCH_mips 3
+#define PE_ARCH_arm 4
+
+static pe_details_type pe_detail_list[] = {
+ {
+ "pei-i386",
+ "pe-i386",
+ 7 /* R_IMAGEBASE */,
+ PE_ARCH_i386,
+ bfd_arch_i386,
+ 1
+ },
+ {
+ "pei-shl",
+ "pe-shl",
+ 16 /* R_SH_IMAGEBASE */,
+ PE_ARCH_sh,
+ bfd_arch_sh,
+ 1
+ },
+ {
+ "pei-mips",
+ "pe-mips",
+ 34 /* MIPS_R_RVA */,
+ PE_ARCH_mips,
+ bfd_arch_mips,
+ 0
+ },
+ {
+ "pei-arm-little",
+ "pe-arm-little",
+ 11 /* ARM_RVA32 */,
+ PE_ARCH_arm,
+ bfd_arch_arm,
+ 0
+ },
+ { NULL, NULL, 0, 0, 0, 0 }
+};
+
+static pe_details_type *pe_details;
+
+#define U(str) (pe_details->underscored ? "_" str : str)
+
+void
+pe_dll_id_target (target)
+ const char *target;
+{
+ int i;
+ for (i = 0; pe_detail_list[i].target_name; i++)
+ if (strcmp (pe_detail_list[i].target_name, target) == 0
+ || strcmp (pe_detail_list[i].object_target, target) == 0)
+ {
+ pe_details = pe_detail_list + i;
+ return;
+ }
+ einfo (_("%XUnsupported PEI architecture: %s\n"), target);
+ exit (1);
+}
/************************************************************************
************************************************************************/
+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
/* These correspond to the entries in pe_def_file->exports[]. I use
exported_symbol_sections[i] to tag whether or not the symbol was
- defined, since we can't export symbols we don't have. */
+ defined, since we can't export symbols we don't have. */
static bfd_vma *exported_symbol_offsets;
static struct sec **exported_symbol_sections;
static int min_ordinal, max_ordinal;
static int *exported_symbols;
-typedef struct exclude_list_struct
- {
- char *string;
- struct exclude_list_struct *next;
- }
-exclude_list_struct;
+typedef struct exclude_list_struct {
+ char *string;
+ struct exclude_list_struct *next;
+} exclude_list_struct;
+
static struct exclude_list_struct *excludes = 0;
void
static void
process_def_file (abfd, info)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
{
int i, j;
struct bfd_link_hash_entry *blhe;
bfd *b;
struct sec *s;
- def_file_export *e=0;
+ def_file_export *e = 0;
if (!pe_def_file)
pe_def_file = def_file_empty ();
/* First, run around to all the objects looking for the .drectve
- sections, and push those into the def file too */
+ sections, and push those into the def file too. */
for (b = info->input_bfds; b; b = b->link_next)
{
}
}
- /* Now, maybe export everything else the default way */
+ /* Now, maybe export everything else the default way. */
if (pe_dll_export_everything || pe_def_file->num_exports == 0)
{
for (j = 0; j < nsyms; j++)
{
- if ((symbols[j]->flags & (BSF_FUNCTION | BSF_GLOBAL))
- == (BSF_FUNCTION | BSF_GLOBAL))
+ /* We should export symbols which are either global or not
+ anything at all. (.bss data is the latter) */
+ if ((symbols[j]->flags & BSF_GLOBAL)
+ || (symbols[j]->flags == BSF_NO_FLAGS))
{
const char *sn = symbols[j]->name;
if (*sn == '_')
#undef NE
#define NE pe_def_file->num_exports
- /* Canonicalize the export list */
+ /* Canonicalize the export list. */
if (pe_dll_kill_ats)
{
{
if (strchr (pe_def_file->exports[i].name, '@'))
{
- /* This will preserve internal_name, which may have been pointing
- to the same memory as name, or might not have */
+ /* This will preserve internal_name, which may have been
+ pointing to the same memory as name, or might not
+ have. */
char *tmp = xstrdup (pe_def_file->exports[i].name);
*(strchr (tmp, '@')) = 0;
pe_def_file->exports[i].name = tmp;
}
}
- e = pe_def_file->exports; /* convenience, but watch out for it changing */
+ /* Convenience, but watch out for it changing. */
+ e = pe_def_file->exports;
exported_symbol_offsets = (bfd_vma *) xmalloc (NE * sizeof (bfd_vma));
exported_symbol_sections = (struct sec **) xmalloc (NE * sizeof (struct sec *));
{
if (i > 0 && strcmp (e[i].name, e[i - 1].name) == 0)
{
- /* This is a duplicate */
+ /* This is a duplicate. */
if (e[j - 1].ordinal != -1
&& e[i].ordinal != -1
&& e[j - 1].ordinal != e[i].ordinal)
{
- /* xgettext:c-format */
- einfo (_("%XError, duplicate EXPORT with oridinals: %s (%d vs %d)\n"),
- e[j - 1].name, e[j - 1].ordinal, e[i].ordinal);
+ if (pe_dll_warn_dup_exports)
+ /* xgettext:c-format */
+ einfo (_("%XError, duplicate EXPORT with ordinals: %s (%d vs %d)\n"),
+ e[j - 1].name, e[j - 1].ordinal, e[i].ordinal);
}
else
{
- /* xgettext:c-format */
- einfo (_("Warning, duplicate EXPORT: %s\n"),
- e[j - 1].name);
+ if (pe_dll_warn_dup_exports)
+ /* xgettext:c-format */
+ einfo (_("Warning, duplicate EXPORT: %s\n"),
+ e[j - 1].name);
}
- if (e[i].ordinal)
+ if (e[i].ordinal != -1)
e[j - 1].ordinal = e[i].ordinal;
e[j - 1].flag_private |= e[i].flag_private;
e[j - 1].flag_constant |= e[i].flag_constant;
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,
false, false, true);
- if (blhe && (blhe->type == bfd_link_hash_defined))
+ if (blhe
+ && (blhe->type == bfd_link_hash_defined
+ || (blhe->type == bfd_link_hash_common)))
{
count_exported++;
if (!pe_def_file->exports[i].flag_noname)
count_exported_byname++;
- exported_symbol_offsets[i] = blhe->u.def.value;
- exported_symbol_sections[i] = blhe->u.def.section;
+
+ /* Only fill in the sections. The actual offsets are computed
+ in fill_exported_offsets() after common symbols are laid
+ out. */
+ if (blhe->type == bfd_link_hash_defined)
+ exported_symbol_sections[i] = blhe->u.def.section;
+ else
+ exported_symbol_sections[i] = blhe->u.c.p->section;
+
if (pe_def_file->exports[i].ordinal != -1)
{
if (max_ordinal < pe_def_file->exports[i].ordinal)
************************************************************************/
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
static void
generate_edata (abfd, info)
bfd *abfd;
- struct bfd_link_info *info;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
{
int i, next_ordinal;
int name_table_size = 0;
const char *dlnp;
/* First, we need to know how many exported symbols there are,
- and what the range of ordinals is. */
+ and what the range of ordinals is. */
if (pe_def_file->name)
{
for (i = 0; i < export_table_size; i++)
exported_symbols[i] = -1;
- /* Now we need to assign ordinals to those that don't have them */
+ /* Now we need to assign ordinals to those that don't have them. */
for (i = 0; i < NE; i++)
{
if (exported_symbol_sections[i])
if (pi != -1)
{
/* xgettext:c-format */
- einfo (_("%XError, oridinal used twice: %d (%s vs %s)\n"),
+ einfo (_("%XError, ordinal used twice: %d (%s vs %s)\n"),
pe_def_file->exports[i].ordinal,
pe_def_file->exports[i].name,
pe_def_file->exports[pi].name);
pe_def_file->exports[i].ordinal = next_ordinal;
}
- /* OK, now we can allocate some memory */
+ /* OK, now we can allocate some memory. */
edata_sz = (40 /* directory */
+ 4 * export_table_size /* addresses */
+ name_table_size + strlen (dll_name) + 1);
}
+/* Fill the exported symbol offsets. The preliminary work has already
+ been done in process_def_file(). */
+
+static void
+fill_exported_offsets (abfd, info)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ struct bfd_link_info *info;
+{
+ int i;
+ struct bfd_link_hash_entry *blhe;
+
+ for (i = 0; i < pe_def_file->num_exports; i++)
+ {
+ char *name = (char *) xmalloc (strlen (pe_def_file->exports[i].internal_name) + 2);
+ 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,
+ false, false, true);
+
+ if (blhe && (blhe->type == bfd_link_hash_defined))
+ {
+ exported_symbol_offsets[i] = blhe->u.def.value;
+ }
+ free (name);
+ }
+}
+
static void
fill_edata (abfd, info)
bfd *abfd;
- struct bfd_link_info *info;
+ struct bfd_link_info *info ATTRIBUTE_UNUSED;
{
int i, hint;
unsigned char *edirectory;
edata_d = (unsigned char *) xmalloc (edata_sz);
- /* Note use of array pointer math here */
+ /* Note use of array pointer math here. */
edirectory = edata_d;
eaddresses = (unsigned long *) (edata_d + 40);
enameptrs = eaddresses + export_table_size;
#define ERVA(ptr) (((unsigned char *)(ptr) - edata_d) + edata_s->output_section->vma - image_base)
- memset (edata_d, 0, 40);
+ memset (edata_d, 0, edata_sz);
bfd_put_32 (abfd, now, edata_d + 4);
if (pe_def_file->version_major != -1)
{
bfd_put_32 (abfd, ERVA (enameptrs), edata_d + 32);
bfd_put_32 (abfd, ERVA (eordinals), edata_d + 36);
- /* Ok, now for the filling in part */
+ fill_exported_offsets (abfd, info);
+
+ /* Ok, now for the filling in part. */
hint = 0;
for (i = 0; i < export_table_size; i++)
{
unsigned long srva = (exported_symbol_offsets[s]
+ ssec->output_section->vma
+ ssec->output_offset);
+ int ord = pe_def_file->exports[s].ordinal;
- bfd_put_32 (abfd, srva - image_base, (void *) (eaddresses + i));
+ bfd_put_32 (abfd, srva - image_base,
+ (void *) (eaddresses + ord - min_ordinal));
if (!pe_def_file->exports[s].flag_noname)
{
char *ename = pe_def_file->exports[s].name;
bfd_put_32 (abfd, ERVA (enamestr), (void *) enameptrs);
+ enameptrs++;
strcpy (enamestr, ename);
enamestr += strlen (enamestr) + 1;
- bfd_put_16 (abfd, i, (void *) eordinals);
- enameptrs++;
+ bfd_put_16 (abfd, ord - min_ordinal, (void *) eordinals);
+ eordinals++;
pe_def_file->exports[s].hint = hint++;
}
- eordinals++;
}
}
}
struct bfd_link_info *info;
{
- /* for .reloc stuff */
- bfd_vma *reloc_addresses;
+ /* For .reloc stuff. */
+ 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;
asymbol **symbols;
int nsyms, symsize;
- /* if it's not loaded, we don't need to relocate it this way */
+ /* If it's not loaded, we don't need to relocate it this way. */
if (!(s->output_section->flags & SEC_LOAD))
continue;
/* I don't know why there would be a reloc for these, but I've
- seen it happen - DJ */
+ seen it happen - DJ */
if (s->output_section == &bfd_abs_section)
continue;
if (s->output_section->vma == 0)
{
- /* Huh? Shouldn't happen, but punt if it does */
+ /* Huh? Shouldn't happen, but punt if it does. */
einfo ("DJ: zero vma section reloc detected: `%s' #%d f=%d\n",
s->output_section->name, s->output_section->index,
s->output_section->flags);
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;
+
+#define BITS_AND_SHIFT(bits, shift) (bits * 1000 | shift)
+
+ switch BITS_AND_SHIFT (relocs[i]->howto->bitsize,
+ relocs[i]->howto->rightshift)
{
- case 32:
- reloc_addresses[total_relocs++] = sec_vma + relocs[i]->address;
+ case BITS_AND_SHIFT (32, 0):
+ reloc_data[total_relocs].type = 3;
+ total_relocs++;
+ break;
+ case BITS_AND_SHIFT (16, 0):
+ reloc_data[total_relocs].type = 2;
+ total_relocs++;
+ break;
+ case BITS_AND_SHIFT (16, 16):
+ reloc_data[total_relocs].type = 4;
+ /* FIXME: we can't know the symbol's right value
+ yet, but we probably can safely assume that
+ CE will relocate us in 64k blocks, so leaving
+ it zero is safe. */
+ reloc_data[total_relocs].extra = 0;
+ total_relocs++;
+ break;
+ case BITS_AND_SHIFT (26, 2):
+ reloc_data[total_relocs].type = 5;
+ total_relocs++;
break;
default:
/* xgettext:c-format */
}
}
free (relocs);
- /* Warning: the allocated symbols are remembered in BFD and reused
- later, so don't free them! */
- /* free (symbols); */
+ /* Warning: the allocated symbols are remembered in BFD and
+ reused later, so don't free them! */
+#if 0
+ free (symbol);
+#endif
}
}
/* At this point, we have total_relocs relocation addresses in
reloc_addresses, which are all suitable for the .reloc section.
- We must now create the new sections. */
+ 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 */
reloc_sz += 8;
sec_page = this_page;
}
+
reloc_sz += 2;
+
+ if (reloc_data[i].type == 4)
+ reloc_sz += 2;
}
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)
static void
quoteput (s, f, needs_quotes)
char *s;
- FILE * f;
+ FILE *f;
int needs_quotes;
{
char *cp;
void
pe_dll_generate_def_file (pe_out_def_filename)
- char *pe_out_def_filename;
+ const char *pe_out_def_filename;
{
int i;
FILE *out = fopen (pe_out_def_filename, "w");
#define UNDSEC (asection *) &bfd_und_section
static asection *
-quick_section(abfd, name, flags, align)
+quick_section (abfd, name, flags, align)
bfd *abfd;
const char *name;
int flags;
asymbol *sym;
sec = bfd_make_section_old_way (abfd, name);
- bfd_set_section_flags (abfd, sec, flags
- | SEC_ALLOC
- | SEC_LOAD
- | SEC_KEEP
- );
+ bfd_set_section_flags (abfd, sec, flags | SEC_ALLOC | SEC_LOAD | SEC_KEEP);
bfd_set_section_alignment (abfd, sec, align);
- /* remember to undo this before trying to link internally! */
+ /* Remember to undo this before trying to link internally! */
sec->output_section = sec;
sym = bfd_make_empty_symbol (abfd);
int which_howto;
int symidx;
{
- if (relcount >= (relsize-1))
+ if (relcount >= (relsize - 1))
{
relsize += 10;
if (reltab)
int i;
sec->relocation = reltab;
sec->reloc_count = relcount;
- sec->orelocation = (arelent **) xmalloc ((relcount+1) * sizeof (arelent *));
- for (i=0; i<relcount; i++)
+ sec->orelocation = (arelent **) xmalloc ((relcount + 1) * sizeof (arelent *));
+ for (i = 0; i < relcount; i++)
sec->orelocation[i] = sec->relocation + i;
sec->orelocation[relcount] = 0;
sec->flags |= SEC_RELOC;
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);
bfd_set_section_contents (abfd, id2, d2, 0, 20);
bfd_set_section_contents (abfd, id5, d5, 0, 4);
bfd_set_section_contents (abfd, id4, d4, 0, 4);
-
+
bfd_make_readable (abfd);
return abfd;
}
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);
id5->contents = d5;
memset (d5, 0, 4);
- len = strlen (dll_filename)+1;
+ len = strlen (dll_filename) + 1;
if (len & 1)
- len ++;
+ len++;
bfd_set_section_size (abfd, id7, len);
d7 = (unsigned char *) xmalloc (len);
id7->contents = d7;
0xff, 0x25, 0x00, 0x00, 0x00, 0x00, 0x90, 0x90
};
+/*
+ *_function:
+ * mov.l ip+8,r0
+ * mov.l @r0,r0
+ * jmp @r0
+ * nop
+ * .dw __imp_function
+ */
+
+static unsigned char jmp_sh_bytes[] = {
+ 0x01, 0xd0, 0x02, 0x60, 0x2b, 0x40, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+/*
+ *_function:
+ * lui $t0,<high:__imp_function>
+ * lw $t0,<low:__imp_function>
+ * jr $t0
+ * nop
+ */
+
+static unsigned char jmp_mips_bytes[] = {
+ 0x00, 0x00, 0x08, 0x3c, 0x00, 0x00, 0x08, 0x8d,
+ 0x08, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00
+};
static bfd *
make_one (exp, parent)
bfd *parent;
{
asection *tx, *id7, *id5, *id4, *id6;
- unsigned char *td, *d7, *d5, *d4, *d6;
+ unsigned char *td, *d7, *d5, *d4, *d6 = NULL;
int len;
char *oname;
bfd *abfd;
+ unsigned char *jmp_bytes = NULL;
+ int jmp_byte_count = 0;
+
+ switch (pe_details->pe_arch)
+ {
+ case PE_ARCH_i386:
+ jmp_bytes = jmp_ix86_bytes;
+ jmp_byte_count = sizeof (jmp_ix86_bytes);
+ break;
+ case PE_ARCH_sh:
+ jmp_bytes = jmp_sh_bytes;
+ jmp_byte_count = sizeof (jmp_sh_bytes);
+ break;
+ case PE_ARCH_mips:
+ jmp_bytes = jmp_mips_bytes;
+ jmp_byte_count = sizeof (jmp_mips_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);
-
- bfd_set_section_size (abfd, tx, 8);
- td = (unsigned char *) xmalloc (8);
+ if (! exp->flag_data)
+ 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);
+ if (pe_dll_compat_implib)
+ quick_symbol (abfd, U ("__imp_"), exp->internal_name, "",
+ id5, BSF_GLOBAL, 0);
+
+ 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;
+ case PE_ARCH_sh:
+ quick_reloc (abfd, 8, BFD_RELOC_32, 2);
+ break;
+ case PE_ARCH_mips:
+ quick_reloc (abfd, 0, BFD_RELOC_HI16_S, 2);
+ quick_reloc (abfd, 0, BFD_RELOC_LO16, 0); /* MIPS_R_PAIR */
+ quick_reloc (abfd, 4, BFD_RELOC_LO16, 2);
+ break;
+ }
save_relocs (tx);
bfd_set_section_size (abfd, id7, 4);
memset (d4, 0, 4);
if (exp->flag_noname)
{
- d5[0] = exp->ordinal;
- d5[1] = exp->ordinal >> 8;
- d5[3] = 0x80;
+ d4[0] = exp->ordinal;
+ d4[1] = exp->ordinal >> 8;
+ d4[3] = 0x80;
}
else
{
memset (d6, 0, len);
d6[0] = exp->hint & 0xff;
d6[1] = exp->hint >> 8;
- strcpy (d6+2, exp->name);
+ strcpy (d6 + 2, exp->name);
}
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);
void
pe_dll_generate_implib (def, impfilename)
def_file *def;
- char *impfilename;
+ const char *impfilename;
{
int i;
bfd *ar_head;
bfd *outarch;
bfd *head = 0;
- dll_filename = def->name;
- if (dll_filename == 0)
- {
- dll_filename = dll_name;
- for (i=0; impfilename[i]; i++)
- if (impfilename[i] == '/' || impfilename[i] == '\\')
- dll_filename = impfilename+1;
- }
+ dll_filename = (def->name) ? def->name : dll_name;
dll_symname = xstrdup (dll_filename);
- for (i=0; dll_symname[i]; i++)
+ for (i = 0; dll_symname[i]; i++)
if (!isalnum ((unsigned char) dll_symname[i]))
dll_symname[i] = '_';
/* xgettext:c-format */
einfo (_("Creating library file: %s\n"), impfilename);
-
+
bfd_set_format (outarch, bfd_archive);
outarch->has_armap = 1;
- /* Work out a reasonable size of things to put onto one line. */
+ /* 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++)
+ for (i = 0; i < def->num_exports; i++)
{
- /* The import library doesn't know about the internal name */
+ /* The import library doesn't know about the internal name. */
char *internal = def->exports[i].internal_name;
bfd *n;
def->exports[i].internal_name = def->exports[i].name;
- n = make_one (def->exports+i, outarch);
+ n = make_one (def->exports + i, outarch);
n->next = head;
head = n;
def->exports[i].internal_name = internal;
}
- /* Now stick them all into the archive */
+ ar_tail = make_tail (outarch);
+
+ if (ar_head == NULL || ar_tail == NULL)
+ return;
+
+ /* Now stick them all into the archive. */
ar_head->next = head;
ar_tail->next = ar_head;
if (! bfd_set_archive_head (outarch, head))
einfo ("%Xbfd_set_archive_head: %s\n", bfd_errmsg (bfd_get_error ()));
-
+
if (! bfd_close (outarch))
einfo ("%Xbfd_close %s: %s\n", impfilename, bfd_errmsg (bfd_get_error ()));
struct bfd_link_info *link_info;
{
def_file_module *module;
+ pe_dll_id_target (bfd_get_target (output_bfd));
if (!pe_def_file)
return;
dll_filename = module->name;
dll_symname = xstrdup (module->name);
- for (i=0; dll_symname[i]; i++)
+ for (i = 0; dll_symname[i]; i++)
if (!isalnum (dll_symname[i]))
dll_symname[i] = '_';
do_this_dll = 0;
- for (i=0; i<pe_def_file->num_imports; i++)
+ for (i = 0; i < pe_def_file->num_imports; i++)
if (pe_def_file->imports[i].module == module)
{
def_file_export exp;
struct bfd_link_hash_entry *blhe;
- /* 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);
+ /* See if we need this import. */
+ char *name = (char *) xmalloc (strlen (pe_def_file->imports[i].internal_name) + 2 + 6);
+ sprintf (name, "%s%s", U (""), pe_def_file->imports[i].internal_name);
blhe = bfd_link_hash_lookup (link_info->hash, name,
false, false, false);
+ if (!blhe || (blhe && blhe->type != bfd_link_hash_undefined))
+ {
+ sprintf (name, "%s%s", U ("_imp__"),
+ pe_def_file->imports[i].internal_name);
+ blhe = bfd_link_hash_lookup (link_info->hash, name,
+ false, false, false);
+ }
free (name);
if (blhe && blhe->type == bfd_link_hash_undefined)
{
bfd *one;
- /* we do */
+ /* We do. */
if (!do_this_dll)
{
bfd *ar_head = make_head (output_bfd);
unsigned char b[2];
bfd_seek (abfd, where, SEEK_SET);
bfd_read (b, 1, 2, abfd);
- return b[0] + (b[1]<<8);
+ return b[0] + (b[1] << 8);
}
static unsigned int
unsigned char b[4];
bfd_seek (abfd, where, SEEK_SET);
bfd_read (b, 1, 4, abfd);
- return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24);
+ return b[0] + (b[1] << 8) + (b[2] << 16) + (b[3] << 24);
}
#if 0 /* This is not currently used. */
void *ptr;
{
unsigned char *b = ptr;
- return b[0] + (b[1]<<8);
+ return b[0] + (b[1] << 8);
}
#endif
void *ptr;
{
unsigned char *b = ptr;
- return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24);
+ return b[0] + (b[1] << 8) + (b[2] << 16) + (b[3] << 24);
}
boolean
pe_implied_import_dll (filename)
- char *filename;
+ const char *filename;
{
bfd *dll;
unsigned long pe_header_offset, opthdr_ofs, num_entries, i;
unsigned long export_rva, export_size, nsections, secptr, expptr;
unsigned char *expdata, *erva;
unsigned long name_rvas, ordinals, nexp, ordbase;
- char *dll_name;
+ const char *dll_name;
/* No, I can't use bfd here. kernel32.dll puts its export table in
- the middle of the .rdata section. */
+ 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 ()));
return false;
}
- /* PEI dlls seem to be bfd_objects */
+ /* PEI dlls seem to be bfd_objects. */
if (!bfd_check_format (dll, bfd_object))
{
einfo ("%X%s: this doesn't appear to be a DLL\n", filename);
}
dll_name = filename;
- for (i=0; filename[i]; i++)
+ for (i = 0; filename[i]; i++)
if (filename[i] == '/' || filename[i] == '\\' || filename[i] == ':')
dll_name = filename + i + 1;
secptr = (pe_header_offset + 4 + 20 +
pe_get16 (dll, pe_header_offset + 4 + 16));
expptr = 0;
- for (i=0; i<nsections; i++)
+ for (i = 0; i < nsections; i++)
{
char sname[8];
unsigned long secptr1 = secptr + 40 * i;
unsigned long vaddr = pe_get32 (dll, secptr1 + 12);
unsigned long vsize = pe_get32 (dll, secptr1 + 16);
unsigned long fptr = pe_get32 (dll, secptr1 + 20);
- bfd_seek(dll, secptr1, SEEK_SET);
- bfd_read(sname, 1, 8, dll);
- if (vaddr <= export_rva && vaddr+vsize > export_rva)
+ bfd_seek (dll, secptr1, SEEK_SET);
+ bfd_read (sname, 1, 8, dll);
+ if (vaddr <= export_rva && vaddr + vsize > export_rva)
{
expptr = fptr + (export_rva - vaddr);
if (export_rva + export_size > vaddr + vsize)
erva = expdata - export_rva;
if (pe_def_file == 0)
- pe_def_file = def_file_empty();
+ pe_def_file = def_file_empty ();
- nexp = pe_as32 (expdata+24);
- name_rvas = pe_as32 (expdata+32);
- ordinals = pe_as32 (expdata+36);
- ordbase = pe_as32 (expdata+16);
- for (i=0; i<nexp; i++)
+ nexp = pe_as32 (expdata + 24);
+ name_rvas = pe_as32 (expdata + 32);
+ ordinals = pe_as32 (expdata + 36);
+ ordbase = pe_as32 (expdata + 16);
+ for (i = 0; i < nexp; i++)
{
- unsigned long name_rva = pe_as32 (erva+name_rvas+i*4);
+ unsigned long name_rva = pe_as32 (erva + name_rvas + i * 4);
def_file_import *imp;
- imp = def_file_add_import (pe_def_file, erva+name_rva, dll_name,
+ imp = def_file_add_import (pe_def_file, erva + name_rva, dll_name,
i, 0);
}
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 ATTRIBUTE_UNUSED;
+{
+ 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 / deliverable / binutils-gdb.git / blobdiff