Don't search for data import when auto-import is disabled.
This commit is contained in:
Nick Clifton
parent
9c3b31c636
commit
4cd898632a
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@ -1,3 +1,8 @@
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2002-12-17 Ralf Habacker <ralf.habacker@freenet.de>
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* ld/emultempl/pe.em (pe_find_data_imports): Don't search for data
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import when auto-import is disabled.
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2002-12-17 Danny Smith <dannysmith@users.sourceforge.net>
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* emultempl/pe.em (..._recognized_file): Use LD_PATHMAX+1 to
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@ -132,7 +132,7 @@ static int make_import_fixup PARAMS ((arelent *, asection *));
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static void pe_find_data_imports PARAMS ((void));
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#endif
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static bfd_boolean pr_sym PARAMS ((struct bfd_hash_entry *, PTR string));
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static bfd_boolean pr_sym PARAMS ((struct bfd_hash_entry *, PTR));
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static bfd_boolean gld_${EMULATION_NAME}_unrecognized_file
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PARAMS ((lang_input_statement_type *));
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static bfd_boolean gld_${EMULATION_NAME}_recognized_file
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@ -148,7 +148,7 @@ static char * thumb_entry_symbol = NULL;
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static lang_assignment_statement_type *image_base_statement = 0;
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#ifdef DLL_SUPPORT
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static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable */
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static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */
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static char *pe_out_def_filename = NULL;
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static char *pe_implib_filename = NULL;
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static int pe_enable_auto_image_base = 0;
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@ -188,7 +188,7 @@ gld_${EMULATION_NAME}_before_parse()
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/* PE format extra command line options. */
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/* Used for setting flags in the PE header. */
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/* Used for setting flags in the PE header. */
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#define OPTION_BASE_FILE (300 + 1)
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#define OPTION_DLL (OPTION_BASE_FILE + 1)
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#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
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@ -279,7 +279,7 @@ static struct option longopts[] = {
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/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
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parameters which may be input from the command line */
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parameters which may be input from the command line. */
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typedef struct
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{
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@ -320,6 +320,7 @@ static definfo init[] =
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{ NULL, 0, 0, NULL, 0 }
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};
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static void
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gld_${EMULATION_NAME}_list_options (file)
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FILE * file;
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@ -371,13 +372,15 @@ gld_${EMULATION_NAME}_list_options (file)
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#endif
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}
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static void
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set_pe_name (name, val)
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char *name;
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long val;
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{
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int i;
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/* Find the name and set it. */
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/* Find the name and set it. */
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for (i = 0; init[i].ptr; i++)
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{
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if (strcmp (name, init[i].symbol) == 0)
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@ -475,7 +478,6 @@ set_pe_subsystem ()
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}
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static void
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set_pe_value (name)
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char *name;
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@ -491,6 +493,7 @@ set_pe_value (name)
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optarg = end;
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}
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static void
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set_pe_stack_heap (resname, comname)
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char *resname;
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@ -508,7 +511,6 @@ set_pe_stack_heap (resname, comname)
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}
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static int
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gld_${EMULATION_NAME}_parse_args (argc, argv)
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int argc;
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@ -549,7 +551,7 @@ gld_${EMULATION_NAME}_parse_args (argc, argv)
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}
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break;
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/* PE options */
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/* PE options. */
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case OPTION_HEAP:
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set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__");
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break;
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@ -686,7 +688,8 @@ strhash (const char *str)
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return hash;
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}
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/* Use the output file to create a image base for relocatable DLLs. */
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/* Use the output file to create a image base for relocatable DLLs. */
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static unsigned long
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compute_dll_image_base (const char *ofile)
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{
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@ -702,7 +705,7 @@ static void
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gld_${EMULATION_NAME}_set_symbols ()
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{
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/* Run through and invent symbols for all the
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names and insert the defaults. */
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names and insert the defaults. */
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int j;
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lang_statement_list_type *save;
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@ -725,7 +728,7 @@ gld_${EMULATION_NAME}_set_symbols ()
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if (link_info.relocateable)
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return;
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/* Glue the assignments into the abs section */
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/* Glue the assignments into the abs section. */
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save = stat_ptr;
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stat_ptr = &(abs_output_section->children);
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@ -749,7 +752,7 @@ gld_${EMULATION_NAME}_set_symbols ()
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if (j == IMAGEBASEOFF)
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image_base_statement = rv;
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}
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/* Restore the pointer. */
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/* Restore the pointer. */
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stat_ptr = save;
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if (pe.FileAlignment >
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@ -798,7 +801,8 @@ pe_undef_cdecl_match (h, string)
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PTR string;
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{
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int sl;
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sl = strlen (string); /* silence compiler warning */
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sl = strlen (string); /* Silence compiler warning. */
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if (h->type == bfd_link_hash_defined
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&& strncmp (h->root.string, string, sl) == 0
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&& h->root.string[sl] == '@')
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@ -839,6 +843,7 @@ pe_fixup_stdcalls ()
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undef->type = bfd_link_hash_defined;
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undef->u.def.value = sym->u.def.value;
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undef->u.def.section = sym->u.def.section;
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if (pe_enable_stdcall_fixup == -1)
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{
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einfo (_("Warning: resolving %s by linking to %s\n"),
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@ -855,7 +860,7 @@ pe_fixup_stdcalls ()
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else
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{
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/* The symbol is a cdecl symbol, so we look for stdcall
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symbols - which means scanning the whole symbol table */
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symbols - which means scanning the whole symbol table. */
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pe_undef_found_sym = 0;
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bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match,
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(PTR) undef->root.string);
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@ -865,6 +870,7 @@ pe_fixup_stdcalls ()
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undef->type = bfd_link_hash_defined;
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undef->u.def.value = sym->u.def.value;
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undef->u.def.section = sym->u.def.section;
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if (pe_enable_stdcall_fixup == -1)
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{
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einfo (_("Warning: resolving %s by linking to %s\n"),
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@ -907,11 +913,14 @@ pe_find_data_imports ()
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{
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struct bfd_link_hash_entry *undef, *sym;
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if (link_info.pei386_auto_import == 0)
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return;
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for (undef = link_info.hash->undefs; undef; undef=undef->next)
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{
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if (undef->type == bfd_link_hash_undefined)
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{
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/* C++ symbols are *long* */
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/* C++ symbols are *long*. */
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char buf[4096];
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if (pe_dll_extra_pe_debug)
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@ -923,45 +932,43 @@ pe_find_data_imports ()
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if (sym && sym->type == bfd_link_hash_defined)
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{
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if (link_info.pei386_auto_import == -1)
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info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
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undef->root.string, buf);
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bfd *b = sym->u.def.section->owner;
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asymbol **symbols;
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int nsyms, symsize, i;
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{
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bfd *b = sym->u.def.section->owner;
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asymbol **symbols;
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int nsyms, symsize, i;
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if (link_info.pei386_auto_import == -1)
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info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"),
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undef->root.string, buf);
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symsize = bfd_get_symtab_upper_bound (b);
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symbols = (asymbol **) xmalloc (symsize);
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nsyms = bfd_canonicalize_symtab (b, symbols);
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symsize = bfd_get_symtab_upper_bound (b);
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symbols = (asymbol **) xmalloc (symsize);
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nsyms = bfd_canonicalize_symtab (b, symbols);
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for (i = 0; i < nsyms; i++)
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{
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if (memcmp (symbols[i]->name, "__head_",
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sizeof ("__head_") - 1))
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continue;
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for (i = 0; i < nsyms; i++)
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{
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if (memcmp (symbols[i]->name, "__head_",
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sizeof ("__head_") - 1))
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continue;
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if (pe_dll_extra_pe_debug)
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printf ("->%s\n", symbols[i]->name);
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if (pe_dll_extra_pe_debug)
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printf ("->%s\n", symbols[i]->name);
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pe_data_import_dll = (char*) (symbols[i]->name +
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sizeof ("__head_") - 1);
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break;
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}
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}
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pe_data_import_dll = (char*) (symbols[i]->name +
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sizeof ("__head_") - 1);
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break;
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}
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pe_walk_relocs_of_symbol (&link_info, undef->root.string,
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make_import_fixup);
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pe_walk_relocs_of_symbol (&link_info, undef->root.string,
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make_import_fixup);
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/* Let's differentiate it somehow from defined. */
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undef->type = bfd_link_hash_defweak;
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/* We replace original name with __imp_ prefixed, this
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1) may trash memory 2) leads to duplicate symbol generation.
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Still, IMHO it's better than having name poluted. */
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undef->root.string = sym->root.string;
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undef->u.def.value = sym->u.def.value;
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undef->u.def.section = sym->u.def.section;
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/* Let's differentiate it somehow from defined. */
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undef->type = bfd_link_hash_defweak;
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/* We replace original name with __imp_ prefixed, this
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1) may trash memory 2) leads to duplicate symbol generation.
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Still, IMHO it's better than having name poluted. */
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undef->root.string = sym->root.string;
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undef->u.def.value = sym->u.def.value;
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undef->u.def.section = sym->u.def.section;
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}
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}
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}
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@ -1056,7 +1063,7 @@ gld_${EMULATION_NAME}_after_open ()
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head/tail objects, causing an improper import table. We detect
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those cases and rename the "other" import libraries to match
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the one the head/tail come from, so that the linker will sort
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things nicely and produce a valid import table. */
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things nicely and produce a valid import table. */
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LANG_FOR_EACH_INPUT_STATEMENT (is)
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{
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@ -1345,7 +1352,7 @@ gld_${EMULATION_NAME}_unrecognized_file (entry)
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}
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#if 0
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/* Not sure if these *should* be set */
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/* Not sure if these *should* be set. */
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if (pe_def_file->version_major != -1)
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{
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pe.MajorImageVersion = pe_def_file->version_major;
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@ -1854,22 +1861,22 @@ gld_${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
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giving up -- once here, and once when searching for a "static" lib.
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for a "static" lib. */
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/* Try "libfoo.a" (import lib, or static lib, but must
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take precedence over dll's) */
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take precedence over dll's). */
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sprintf (string, "%s/lib%s.a", search->name, filename);
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if (! ldfile_try_open_bfd (string, entry))
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{
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#ifdef DLL_SUPPORT
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if (pe_dll_search_prefix)
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{
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/* Try "<prefix>foo.dll" (preferred dll name, if specified) */
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/* Try "<prefix>foo.dll" (preferred dll name, if specified). */
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sprintf (string, "%s/%s%s.dll", search->name, pe_dll_search_prefix, filename);
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if (! ldfile_try_open_bfd (string, entry))
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{
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/* Try "libfoo.dll" (default preferred dll name) */
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/* Try "libfoo.dll" (default preferred dll name). */
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sprintf (string, "%s/lib%s.dll", search->name, filename);
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if (! ldfile_try_open_bfd (string, entry))
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{
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/* Finally, try "foo.dll" (alternate dll name) */
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/* Finally, try "foo.dll" (alternate dll name). */
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sprintf (string, "%s/%s.dll", search->name, filename);
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if (! ldfile_try_open_bfd (string, entry))
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{
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@ -1955,8 +1962,8 @@ struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
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gld_${EMULATION_NAME}_get_script,
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"${EMULATION_NAME}",
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"${OUTPUT_FORMAT}",
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gld_${EMULATION_NAME}_finish, /* finish */
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NULL, /* create output section statements */
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gld_${EMULATION_NAME}_finish,
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NULL, /* Create output section statements. */
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gld_${EMULATION_NAME}_open_dynamic_archive,
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gld_${EMULATION_NAME}_place_orphan,
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gld_${EMULATION_NAME}_set_symbols,
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@ -1965,6 +1972,6 @@ struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
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gld_${EMULATION_NAME}_list_options,
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gld_${EMULATION_NAME}_recognized_file,
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gld_${EMULATION_NAME}_find_potential_libraries,
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NULL /* new_vers_pattern */
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NULL /* new_vers_pattern. */
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};
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EOF
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