diff options
Diffstat (limited to 'ld')
| -rw-r--r-- | ld/ChangeLog | 5 | ||||
| -rw-r--r-- | ld/emultempl/pe.em | 133 |
2 files changed, 75 insertions, 63 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index 2a84e62..ca5ae1d 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,8 @@ +2002-12-17 Ralf Habacker <ralf.habacker@freenet.de> + + * ld/emultempl/pe.em (pe_find_data_imports): Don't search for data + import when auto-import is disabled. + 2002-12-17 Danny Smith <dannysmith@users.sourceforge.net> * emultempl/pe.em (..._recognized_file): Use LD_PATHMAX+1 to diff --git a/ld/emultempl/pe.em b/ld/emultempl/pe.em index 27a059d..87a5bc2 100644 --- a/ld/emultempl/pe.em +++ b/ld/emultempl/pe.em @@ -132,7 +132,7 @@ static int make_import_fixup PARAMS ((arelent *, asection *)); static void pe_find_data_imports PARAMS ((void)); #endif -static bfd_boolean pr_sym PARAMS ((struct bfd_hash_entry *, PTR string)); +static bfd_boolean pr_sym PARAMS ((struct bfd_hash_entry *, PTR)); static bfd_boolean gld_${EMULATION_NAME}_unrecognized_file PARAMS ((lang_input_statement_type *)); static bfd_boolean gld_${EMULATION_NAME}_recognized_file @@ -148,7 +148,7 @@ static char * thumb_entry_symbol = NULL; static lang_assignment_statement_type *image_base_statement = 0; #ifdef DLL_SUPPORT -static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable */ +static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable. */ static char *pe_out_def_filename = NULL; static char *pe_implib_filename = NULL; static int pe_enable_auto_image_base = 0; @@ -188,7 +188,7 @@ gld_${EMULATION_NAME}_before_parse() /* PE format extra command line options. */ -/* Used for setting flags in the PE header. */ +/* Used for setting flags in the PE header. */ #define OPTION_BASE_FILE (300 + 1) #define OPTION_DLL (OPTION_BASE_FILE + 1) #define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1) @@ -279,7 +279,7 @@ static struct option longopts[] = { /* PE/WIN32; added routines to get the subsystem type, heap and/or stack - parameters which may be input from the command line */ + parameters which may be input from the command line. */ typedef struct { @@ -320,6 +320,7 @@ static definfo init[] = { NULL, 0, 0, NULL, 0 } }; + static void gld_${EMULATION_NAME}_list_options (file) FILE * file; @@ -371,13 +372,15 @@ gld_${EMULATION_NAME}_list_options (file) #endif } + static void set_pe_name (name, val) char *name; long val; { int i; - /* Find the name and set it. */ + + /* Find the name and set it. */ for (i = 0; init[i].ptr; i++) { if (strcmp (name, init[i].symbol) == 0) @@ -475,7 +478,6 @@ set_pe_subsystem () } - static void set_pe_value (name) char *name; @@ -491,6 +493,7 @@ set_pe_value (name) optarg = end; } + static void set_pe_stack_heap (resname, comname) char *resname; @@ -508,7 +511,6 @@ set_pe_stack_heap (resname, comname) } - static int gld_${EMULATION_NAME}_parse_args (argc, argv) int argc; @@ -549,7 +551,7 @@ gld_${EMULATION_NAME}_parse_args (argc, argv) } break; - /* PE options */ + /* PE options. */ case OPTION_HEAP: set_pe_stack_heap ("__size_of_heap_reserve__", "__size_of_heap_commit__"); break; @@ -686,7 +688,8 @@ strhash (const char *str) return hash; } -/* Use the output file to create a image base for relocatable DLLs. */ +/* Use the output file to create a image base for relocatable DLLs. */ + static unsigned long compute_dll_image_base (const char *ofile) { @@ -702,7 +705,7 @@ static void gld_${EMULATION_NAME}_set_symbols () { /* Run through and invent symbols for all the - names and insert the defaults. */ + names and insert the defaults. */ int j; lang_statement_list_type *save; @@ -725,7 +728,7 @@ gld_${EMULATION_NAME}_set_symbols () if (link_info.relocateable) return; - /* Glue the assignments into the abs section */ + /* Glue the assignments into the abs section. */ save = stat_ptr; stat_ptr = &(abs_output_section->children); @@ -749,7 +752,7 @@ gld_${EMULATION_NAME}_set_symbols () if (j == IMAGEBASEOFF) image_base_statement = rv; } - /* Restore the pointer. */ + /* Restore the pointer. */ stat_ptr = save; if (pe.FileAlignment > @@ -798,7 +801,8 @@ pe_undef_cdecl_match (h, string) PTR string; { int sl; - sl = strlen (string); /* silence compiler warning */ + + sl = strlen (string); /* Silence compiler warning. */ if (h->type == bfd_link_hash_defined && strncmp (h->root.string, string, sl) == 0 && h->root.string[sl] == '@') @@ -839,6 +843,7 @@ pe_fixup_stdcalls () undef->type = bfd_link_hash_defined; undef->u.def.value = sym->u.def.value; undef->u.def.section = sym->u.def.section; + if (pe_enable_stdcall_fixup == -1) { einfo (_("Warning: resolving %s by linking to %s\n"), @@ -855,7 +860,7 @@ pe_fixup_stdcalls () else { /* The symbol is a cdecl symbol, so we look for stdcall - symbols - which means scanning the whole symbol table */ + symbols - which means scanning the whole symbol table. */ pe_undef_found_sym = 0; bfd_link_hash_traverse (link_info.hash, pe_undef_cdecl_match, (PTR) undef->root.string); @@ -865,6 +870,7 @@ pe_fixup_stdcalls () undef->type = bfd_link_hash_defined; undef->u.def.value = sym->u.def.value; undef->u.def.section = sym->u.def.section; + if (pe_enable_stdcall_fixup == -1) { einfo (_("Warning: resolving %s by linking to %s\n"), @@ -907,11 +913,14 @@ pe_find_data_imports () { struct bfd_link_hash_entry *undef, *sym; + if (link_info.pei386_auto_import == 0) + return; + for (undef = link_info.hash->undefs; undef; undef=undef->next) { if (undef->type == bfd_link_hash_undefined) { - /* C++ symbols are *long* */ + /* C++ symbols are *long*. */ char buf[4096]; if (pe_dll_extra_pe_debug) @@ -923,45 +932,43 @@ pe_find_data_imports () if (sym && sym->type == bfd_link_hash_defined) { - if (link_info.pei386_auto_import == -1) - info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"), - undef->root.string, buf); - - { - bfd *b = sym->u.def.section->owner; - asymbol **symbols; - int nsyms, symsize, i; - - symsize = bfd_get_symtab_upper_bound (b); - symbols = (asymbol **) xmalloc (symsize); - nsyms = bfd_canonicalize_symtab (b, symbols); - - for (i = 0; i < nsyms; i++) - { - if (memcmp (symbols[i]->name, "__head_", - sizeof ("__head_") - 1)) - continue; - - if (pe_dll_extra_pe_debug) - printf ("->%s\n", symbols[i]->name); - - pe_data_import_dll = (char*) (symbols[i]->name + - sizeof ("__head_") - 1); - break; - } - } - - pe_walk_relocs_of_symbol (&link_info, undef->root.string, - 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. */ - undef->root.string = sym->root.string; - undef->u.def.value = sym->u.def.value; - undef->u.def.section = sym->u.def.section; + bfd *b = sym->u.def.section->owner; + asymbol **symbols; + int nsyms, symsize, i; + + if (link_info.pei386_auto_import == -1) + info_msg (_("Info: resolving %s by linking to %s (auto-import)\n"), + undef->root.string, buf); + + symsize = bfd_get_symtab_upper_bound (b); + symbols = (asymbol **) xmalloc (symsize); + nsyms = bfd_canonicalize_symtab (b, symbols); + + for (i = 0; i < nsyms; i++) + { + if (memcmp (symbols[i]->name, "__head_", + sizeof ("__head_") - 1)) + continue; + + if (pe_dll_extra_pe_debug) + printf ("->%s\n", symbols[i]->name); + + pe_data_import_dll = (char*) (symbols[i]->name + + sizeof ("__head_") - 1); + break; + } + + pe_walk_relocs_of_symbol (&link_info, undef->root.string, + 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. */ + undef->root.string = sym->root.string; + undef->u.def.value = sym->u.def.value; + undef->u.def.section = sym->u.def.section; } } } @@ -1056,7 +1063,7 @@ gld_${EMULATION_NAME}_after_open () head/tail objects, causing an improper import table. We detect those cases and rename the "other" import libraries to match the one the head/tail come from, so that the linker will sort - things nicely and produce a valid import table. */ + things nicely and produce a valid import table. */ LANG_FOR_EACH_INPUT_STATEMENT (is) { @@ -1345,7 +1352,7 @@ gld_${EMULATION_NAME}_unrecognized_file (entry) } #if 0 - /* Not sure if these *should* be set */ + /* Not sure if these *should* be set. */ if (pe_def_file->version_major != -1) { pe.MajorImageVersion = pe_def_file->version_major; @@ -1854,22 +1861,22 @@ gld_${EMULATION_NAME}_open_dynamic_archive (arch, search, entry) giving up -- once here, and once when searching for a "static" lib. for a "static" lib. */ /* Try "libfoo.a" (import lib, or static lib, but must - take precedence over dll's) */ + take precedence over dll's). */ sprintf (string, "%s/lib%s.a", search->name, filename); if (! ldfile_try_open_bfd (string, entry)) { #ifdef DLL_SUPPORT if (pe_dll_search_prefix) { - /* Try "<prefix>foo.dll" (preferred dll name, if specified) */ + /* Try "<prefix>foo.dll" (preferred dll name, if specified). */ sprintf (string, "%s/%s%s.dll", search->name, pe_dll_search_prefix, filename); if (! ldfile_try_open_bfd (string, entry)) { - /* Try "libfoo.dll" (default preferred dll name) */ + /* Try "libfoo.dll" (default preferred dll name). */ sprintf (string, "%s/lib%s.dll", search->name, filename); if (! ldfile_try_open_bfd (string, entry)) { - /* Finally, try "foo.dll" (alternate dll name) */ + /* Finally, try "foo.dll" (alternate dll name). */ sprintf (string, "%s/%s.dll", search->name, filename); if (! ldfile_try_open_bfd (string, entry)) { @@ -1955,8 +1962,8 @@ struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = gld_${EMULATION_NAME}_get_script, "${EMULATION_NAME}", "${OUTPUT_FORMAT}", - gld_${EMULATION_NAME}_finish, /* finish */ - NULL, /* create output section statements */ + gld_${EMULATION_NAME}_finish, + NULL, /* Create output section statements. */ gld_${EMULATION_NAME}_open_dynamic_archive, gld_${EMULATION_NAME}_place_orphan, gld_${EMULATION_NAME}_set_symbols, @@ -1965,6 +1972,6 @@ struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = gld_${EMULATION_NAME}_list_options, gld_${EMULATION_NAME}_recognized_file, gld_${EMULATION_NAME}_find_potential_libraries, - NULL /* new_vers_pattern */ + NULL /* new_vers_pattern. */ }; EOF |