/* Routines to help build PEI-format DLLs (Win32 etc)
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
- 2008, 2009 Free Software Foundation, Inc.
+ 2008, 2009, 2010 Free Software Foundation, Inc.
Written by DJ Delorie <dj@cygnus.com>
This file is part of the GNU Binutils.
int pe_dll_extra_pe_debug = 0;
int pe_use_nul_prefixed_import_tables = 0;
int pe_use_coff_long_section_names = -1;
+int pe_leading_underscore = -1;
/* Static variables and types. */
int pe_arch;
int bfd_arch;
bfd_boolean underscored;
- const autofilter_entry_type* autofilter_symbollist;
+ const autofilter_entry_type* autofilter_symbollist;
}
pe_details_type;
{ STRING_COMMA_LEN ("_cygwin_crt0_common@8") },
{ STRING_COMMA_LEN ("_cygwin_noncygwin_dll_entry@12") },
{ STRING_COMMA_LEN ("cygwin_attach_dll") },
-#endif
+#endif
{ STRING_COMMA_LEN ("cygwin_premain0") },
{ STRING_COMMA_LEN ("cygwin_premain1") },
{ STRING_COMMA_LEN ("cygwin_premain2") },
#define PE_ARCH_arm_epoc 5
#define PE_ARCH_arm_wince 6
-static const pe_details_type pe_detail_list[] =
+/* Don't make it constant as underscore mode gets possibly overriden
+ by target or -(no-)leading-underscore option. */
+static pe_details_type pe_detail_list[] =
{
{
#ifdef pe_use_x86_64
#endif
PE_ARCH_i386,
bfd_arch_i386,
+#ifdef pe_use_x86_64
+ FALSE,
+#else
TRUE,
+#endif
autofilter_symbollist_i386
},
{
{ STRING_COMMA_LEN ("__rtti_") },
{ STRING_COMMA_LEN ("__builtin_") },
/* Don't re-export auto-imported symbols. */
- { STRING_COMMA_LEN ("_nm_") },
+ { STRING_COMMA_LEN ("__nm_") },
/* Don't export symbols specifying internal DLL layout. */
{ STRING_COMMA_LEN ("_head_") },
{ STRING_COMMA_LEN ("_IMPORT_DESCRIPTOR_") },
if (strcmp (pe_detail_list[i].target_name, target) == 0
|| strcmp (pe_detail_list[i].object_target, target) == 0)
{
+ int u = pe_leading_underscore; /* Underscoring mode. -1 for use default. */
+ if (u == -1)
+ bfd_get_target_info (target, NULL, NULL, &u, NULL);
+ if (u == -1)
+ abort ();
+ pe_detail_list[i].underscored = (u != 0 ? TRUE : FALSE);
pe_details = pe_detail_list + i;
+ pe_leading_underscore = (u != 0 ? 1 : 0);
return;
}
einfo (_("%XUnsupported PEI architecture: %s\n"), target);
that begin with '__'; this was tried and
it is too restrictive. Instead we have
a target specific list to use: */
- afptr = pe_details->autofilter_symbollist;
+ afptr = pe_details->autofilter_symbollist;
while (afptr->name)
{
if (lang_elf_version_info && would_export)
{
bfd_boolean hide = 0;
- char ofs = pe_details->underscored && symbols[j]->name[0] == '_';
(void) bfd_find_version_for_sym (lang_elf_version_info,
- symbols[j]->name + ofs, &hide);
+ symbols[j]->name, &hide);
would_export = !hide;
}
if (would_export)
for (i = 0; i < NE; i++)
{
char *name;
-
- /* Check for forward exports */
- if (strchr (pe_def_file->exports[i].internal_name, '.'))
- {
- count_exported++;
- if (!pe_def_file->exports[i].flag_noname)
- count_exported_byname++;
-
- pe_def_file->exports[i].flag_forward = 1;
-
- if (pe_def_file->exports[i].ordinal != -1)
- {
- if (max_ordinal < pe_def_file->exports[i].ordinal)
- max_ordinal = pe_def_file->exports[i].ordinal;
- if (min_ordinal > pe_def_file->exports[i].ordinal)
- min_ordinal = pe_def_file->exports[i].ordinal;
- count_with_ordinals++;
- }
-
- continue;
- }
-
name = xmalloc (strlen (pe_def_file->exports[i].internal_name) + 2);
if (pe_details->underscored
&& (*pe_def_file->exports[i].internal_name != '@'))
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)
+ max_ordinal = pe_def_file->exports[i].ordinal;
+ if (min_ordinal > pe_def_file->exports[i].ordinal)
+ min_ordinal = pe_def_file->exports[i].ordinal;
+ count_with_ordinals++;
+ }
+ }
+ /* Check for forward exports. These are indicated in DEF files by an
+ export directive of the form NAME1 = MODULE-NAME.EXTERNAL-NAME
+ but we must take care not to be fooled when the user wants to export
+ a symbol that actually really has a dot in it, so we only check
+ for them here, after real defined symbols have already been matched. */
+ else if (strchr (pe_def_file->exports[i].internal_name, '.'))
+ {
+ count_exported++;
+ if (!pe_def_file->exports[i].flag_noname)
+ count_exported_byname++;
+
+ pe_def_file->exports[i].flag_forward = 1;
+
if (pe_def_file->exports[i].ordinal != -1)
{
if (max_ordinal < pe_def_file->exports[i].ordinal)
/* Note use of array pointer math here. */
edirectory = edata_d;
- eaddresses = edata_d + 40;
+ eaddresses = edirectory + 40;
enameptrs = eaddresses + 4 * export_table_size;
eordinals = enameptrs + 4 * count_exported_byname;
enamestr = (char *) eordinals + 2 * count_exported_byname;
for (b = info->input_bfds; b; b = b->link_next)
{
asymbol **symbols;
- int nsyms;
if (!bfd_generic_link_read_symbols (b))
{
}
symbols = bfd_get_outsymbols (b);
- nsyms = bfd_get_symcount (b);
for (s = b->sections; s; s = s->next)
{
{
bfd_vma sec_vma = s->output_section->vma + s->output_offset;
asymbol **symbols;
- int nsyms;
/* If it's not loaded, we don't need to relocate it this way. */
if (!(s->output_section->flags & SEC_LOAD))
}
symbols = bfd_get_outsymbols (b);
- nsyms = bfd_get_symcount (b);
relsize = bfd_get_reloc_upper_bound (b, s);
relocs = xmalloc (relsize);
nrelocs = bfd_canonicalize_reloc (b, s, relocs, symbols);
if (!relocs[i]->howto->pc_relative
&& relocs[i]->howto->type != pe_details->imagebase_reloc)
{
- bfd_vma sym_vma;
struct bfd_symbol *sym = *relocs[i]->sym_ptr_ptr;
- /* Don't create relocs for undefined weak symbols. */
+ /* Don't create relocs for undefined weak symbols. */
if (sym->flags == BSF_WEAK)
{
struct bfd_link_hash_entry *blhe
- = bfd_link_hash_lookup (info->hash, sym->name,
+ = bfd_wrapped_link_hash_lookup (abfd, info, sym->name,
FALSE, FALSE, FALSE);
- if (!blhe || blhe->type != bfd_link_hash_defined)
- continue;
+ if (blhe && blhe->type == bfd_link_hash_undefweak)
+ {
+ /* Check aux sym and see if it is defined or not. */
+ struct coff_link_hash_entry *h, *h2;
+ h = (struct coff_link_hash_entry *)blhe;
+ if (h->symbol_class != C_NT_WEAK || h->numaux != 1)
+ continue;
+ h2 = h->auxbfd->tdata.coff_obj_data->sym_hashes
+ [h->aux->x_sym.x_tagndx.l];
+ /* We don't want a base reloc if the aux sym is not
+ found, undefined, or if it is the constant ABS
+ zero default value. (We broaden that slightly by
+ not testing the value, just the section; there's
+ no reason we'd want a reference to any absolute
+ address to get relocated during rebasing). */
+ if (!h2 || h2->root.type == bfd_link_hash_undefined
+ || h2->root.u.def.section == &bfd_abs_section)
+ continue;
+ }
+ else if (!blhe || blhe->type != bfd_link_hash_defined)
+ continue;
}
- 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)
bfd_set_arch_mach (abfd, pe_details->bfd_arch, 0);
symptr = 0;
- symtab = xmalloc (11 * sizeof (asymbol *));
- tx = quick_section (abfd, ".text", SEC_CODE|SEC_HAS_CONTENTS, 2);
+ symtab = xmalloc (12 * sizeof (asymbol *));
+
+ tx = quick_section (abfd, ".text", SEC_CODE | SEC_HAS_CONTENTS | SEC_READONLY, 2);
id7 = quick_section (abfd, ".idata$7", SEC_HAS_CONTENTS, 2);
id5 = quick_section (abfd, ".idata$5", SEC_HAS_CONTENTS, 2);
id4 = quick_section (abfd, ".idata$4", SEC_HAS_CONTENTS, 2);
/* Symbol to reference ord/name of imported
data symbol, used to implement auto-import. */
if (exp->flag_data)
- quick_symbol (abfd, U ("_nm_"), U (""), exp->internal_name, id6,
+ quick_symbol (abfd, "__nm_", U (""), exp->internal_name, id6,
BSF_GLOBAL,0);
}
if (pe_dll_compat_implib)
- quick_symbol (abfd, U ("__imp_"), exp->internal_name, "", id5,
+ quick_symbol (abfd, "___imp_", exp->internal_name, "", id5,
BSF_GLOBAL, 0);
if (include_jmp_stub)
#ifdef pe_use_x86_64
quick_reloc (abfd, 2, BFD_RELOC_32_PCREL, 2);
#else
+ /* Mark this object as SAFESEH compatible. */
+ quick_symbol (abfd, "", "@feat.00", "", bfd_abs_section_ptr,
+ BSF_LOCAL, 1);
quick_reloc (abfd, 2, BFD_RELOC_32, 2);
#endif
break;
symptr = 0;
symtab = xmalloc (3 * sizeof (asymbol *));
id5 = quick_section (abfd, ".idata$5", SEC_HAS_CONTENTS, 2);
- quick_symbol (abfd, U ("_imp_"), import, "", id5, BSF_GLOBAL, 0);
+ quick_symbol (abfd, "__imp_", import, "", id5, BSF_GLOBAL, 0);
/* We need space for the real thunk and for the null terminator. */
bfd_set_section_size (abfd, id5, PE_IDATA5_SIZE * 2);
symptr = 0;
symtab = xmalloc (3 * sizeof (asymbol *));
id4 = quick_section (abfd, ".idata$4", SEC_HAS_CONTENTS, 2);
- quick_symbol (abfd, U ("_nm_thnk_"), import, "", id4, BSF_GLOBAL, 0);
- quick_symbol (abfd, U ("_nm_"), import, "", UNDSEC, BSF_GLOBAL, 0);
+ quick_symbol (abfd, "__nm_thnk_", import, "", id4, BSF_GLOBAL, 0);
+ quick_symbol (abfd, "__nm_", import, "", UNDSEC, BSF_GLOBAL, 0);
/* We need space for the real thunk and for the null terminator. */
bfd_set_section_size (abfd, id4, PE_IDATA4_SIZE * 2);
symtab = xmalloc (6 * sizeof (asymbol *));
id2 = quick_section (abfd, ".idata$2", SEC_HAS_CONTENTS, 2);
- quick_symbol (abfd, U ("_nm_thnk_"), name, "", UNDSEC, BSF_GLOBAL, 0);
+ quick_symbol (abfd, "__nm_thnk_", name, "", UNDSEC, BSF_GLOBAL, 0);
quick_symbol (abfd, U (""), symname, "_iname", UNDSEC, BSF_GLOBAL, 0);
- /* For relocator v2 we have to use the .idata$5 element and not
+ /* For relocator v2 we have to use the .idata$5 element and not
fixup_name. */
if (link_info.pei386_runtime_pseudo_reloc == 2)
- quick_symbol (abfd, U ("_imp_"), name, "", UNDSEC, BSF_GLOBAL, 0);
+ quick_symbol (abfd, "__imp_", name, "", UNDSEC, BSF_GLOBAL, 0);
else
quick_symbol (abfd, "", fixup_name, "", UNDSEC, BSF_GLOBAL, 0);
size += 12;
runtime_pseudp_reloc_v2_init = 1;
}
- quick_symbol (abfd, U ("_imp_"), name, "", UNDSEC, BSF_GLOBAL, 0);
+ quick_symbol (abfd, "__imp_", name, "", UNDSEC, BSF_GLOBAL, 0);
bfd_set_section_size (abfd, rt_rel, size);
rt_rel_d = xmalloc (size);
bfd *b;
int need_import_table = 1;
- sprintf (buf, U ("_imp_%s"), name);
+ sprintf (buf, "__imp_%s", name);
name_imp_sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
- sprintf (buf, U ("_nm_thnk_%s"), name);
+ sprintf (buf, "__nm_thnk_%s", name);
name_thunk_sym = bfd_link_hash_lookup (link_info.hash, buf, 0, 0, 1);
sl = strlen (string);
if (h->type == bfd_link_hash_undefined
- && ((*hs == '@' && *string == '_'
- && strncmp (hs + 1, string + 1, sl - 1) == 0)
+ && ((*hs == '@' && (!pe_details->underscored || *string == '_')
+ && strncmp (hs + 1, string + (pe_details->underscored != 0),
+ sl - (pe_details->underscored != 0)) == 0)
|| strncmp (hs, string, sl) == 0)
&& h->root.string[sl] == '@')
{
bfd_vma exp_funcbase;
unsigned char *expdata;
char *erva;
- bfd_vma name_rvas, ordinals, nexp, ordbase;
+ bfd_vma name_rvas, nexp;
const char *dllname;
/* Initialization with start > end guarantees that is_data
will not be set by mistake, and avoids compiler warning. */
nexp = pe_as32 (expdata + 24);
name_rvas = pe_as32 (expdata + 32);
- ordinals = pe_as32 (expdata + 36);
- ordbase = pe_as32 (expdata + 16);
exp_funcbase = pe_as32 (expdata + 28);
/* Use internal dll name instead of filename
/* Skip unwanted symbols, which are
exported in buggy auto-import releases. */
- if (! CONST_STRNEQ (erva + name_rva, "_nm_"))
+ if (! CONST_STRNEQ (erva + name_rva, "__nm_"))
{
/* is_data is true if the address is in the data, rdata or bss
segment. */
projects / deliverable / binutils-gdb.git / blobdiff