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-rw-r--r--contrib/binutils/ld/emultempl/pe.em579
1 files changed, 445 insertions, 134 deletions
diff --git a/contrib/binutils/ld/emultempl/pe.em b/contrib/binutils/ld/emultempl/pe.em
index d13bb40..fcbf835 100644
--- a/contrib/binutils/ld/emultempl/pe.em
+++ b/contrib/binutils/ld/emultempl/pe.em
@@ -37,11 +37,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "ldgram.h"
#include "ldexp.h"
#include "ldlang.h"
+#include "ldfile.h"
#include "ldemul.h"
#include "ldlex.h"
#include "ldmisc.h"
#include "ldctor.h"
-#include "ldfile.h"
#include "coff/internal.h"
/* FIXME: This is a BFD internal header file, and we should not be
@@ -102,11 +102,11 @@ static void gld_${EMULATION_NAME}_after_parse PARAMS ((void));
static void gld_${EMULATION_NAME}_before_allocation PARAMS ((void));
static boolean gld_${EMULATION_NAME}_place_orphan
PARAMS ((lang_input_statement_type *, asection *));
-static void gld${EMULATION_NAME}_place_section
- PARAMS ((lang_statement_union_type *));
static char *gld_${EMULATION_NAME}_get_script PARAMS ((int *));
static int gld_${EMULATION_NAME}_parse_args PARAMS ((int, char **));
static void gld_${EMULATION_NAME}_finish PARAMS ((void));
+static boolean gld_${EMULATION_NAME}_open_dynamic_archive
+ PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *));
static struct internal_extra_pe_aouthdr pe;
static int dll;
@@ -114,10 +114,12 @@ static int support_old_code = 0;
static char * thumb_entry_symbol = NULL;
static lang_assignment_statement_type *image_base_statement = 0;
-static int pe_enable_stdcall_fixup = -1; /* 0=disable 1=enable */
#ifdef DLL_SUPPORT
-static char *pe_out_def_filename = 0;
-static char *pe_implib_filename = 0;
+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;
+static char *pe_dll_search_prefix = NULL;
#endif
extern const char *output_filename;
@@ -169,9 +171,12 @@ gld_${EMULATION_NAME}_before_parse()
#define OPTION_THUMB_ENTRY (OPTION_IMPLIB_FILENAME + 1)
#define OPTION_WARN_DUPLICATE_EXPORTS (OPTION_THUMB_ENTRY + 1)
#define OPTION_IMP_COMPAT (OPTION_WARN_DUPLICATE_EXPORTS + 1)
+#define OPTION_ENABLE_AUTO_IMAGE_BASE (OPTION_IMP_COMPAT + 1)
+#define OPTION_DISABLE_AUTO_IMAGE_BASE (OPTION_ENABLE_AUTO_IMAGE_BASE + 1)
+#define OPTION_DLL_SEARCH_PREFIX (OPTION_DISABLE_AUTO_IMAGE_BASE + 1)
+#define OPTION_NO_DEFAULT_EXCLUDES (OPTION_DLL_SEARCH_PREFIX + 1)
-static struct option longopts[] =
-{
+static struct option longopts[] = {
/* PE options */
{"base-file", required_argument, NULL, OPTION_BASE_FILE},
{"dll", no_argument, NULL, OPTION_DLL},
@@ -203,6 +208,10 @@ static struct option longopts[] =
{"out-implib", required_argument, NULL, OPTION_IMPLIB_FILENAME},
{"warn-duplicate-exports", no_argument, NULL, OPTION_WARN_DUPLICATE_EXPORTS},
{"compat-implib", no_argument, NULL, OPTION_IMP_COMPAT},
+ {"enable-auto-image-base", no_argument, NULL, OPTION_ENABLE_AUTO_IMAGE_BASE},
+ {"disable-auto-image-base", no_argument, NULL, OPTION_DISABLE_AUTO_IMAGE_BASE},
+ {"dll-search-prefix", required_argument, NULL, OPTION_DLL_SEARCH_PREFIX},
+ {"no-default-excludes", no_argument, NULL, OPTION_NO_DEFAULT_EXCLUDES},
#endif
{NULL, no_argument, NULL, 0}
};
@@ -282,6 +291,12 @@ gld_${EMULATION_NAME}_list_options (file)
fprintf (file, _(" --warn-duplicate-exports Warn about duplicate exports.\n"));
fprintf (file, _(" --compat-implib Create backward compatible import libs;\n"));
fprintf (file, _(" create __imp_<SYMBOL> as well.\n"));
+ fprintf (file, _(" --enable-auto-image-base Automatically choose image base for DLLs\n"));
+ fprintf (file, _(" unless user specifies one\n"));
+ fprintf (file, _(" --disable-auto-image-base Do not auto-choose image base. (default)\n"));
+ fprintf (file, _(" --dll-search-prefix=<string> When linking dynamically to a dll witout an\n"));
+ fprintf (file, _(" importlib, use <string><basename>.dll \n"));
+ fprintf (file, _(" in preference to lib<basename>.dll \n"));
#endif
}
@@ -540,11 +555,57 @@ gld_${EMULATION_NAME}_parse_args(argc, argv)
case OPTION_IMP_COMPAT:
pe_dll_compat_implib = 1;
break;
+ case OPTION_ENABLE_AUTO_IMAGE_BASE:
+ pe_enable_auto_image_base = 1;
+ break;
+ case OPTION_DISABLE_AUTO_IMAGE_BASE:
+ pe_enable_auto_image_base = 0;
+ break;
+ case OPTION_DLL_SEARCH_PREFIX:
+ pe_dll_search_prefix = xstrdup( optarg );
+ break;
+ case OPTION_NO_DEFAULT_EXCLUDES:
+ pe_dll_do_default_excludes = 0;
+ break;
#endif
}
return 1;
}
+
+#ifdef DLL_SUPPORT
+static unsigned long
+strhash (const char *str)
+{
+ const unsigned char *s;
+ unsigned long hash;
+ unsigned int c;
+ unsigned int len;
+
+ hash = 0;
+ len = 0;
+ s = (const unsigned char *) str;
+ while ((c = *s++) != '\0')
+ {
+ hash += c + (c << 17);
+ hash ^= hash >> 2;
+ ++len;
+ }
+ hash += len + (len << 17);
+ hash ^= hash >> 2;
+
+ return hash;
+}
+
+/* Use the output file to create a image base for relocatable DLLs. */
+static unsigned long
+compute_dll_image_base (const char *ofile)
+{
+ unsigned long hash = strhash (ofile);
+ return 0x60000000 | ((hash << 16) & 0x0FFC0000);
+}
+#endif
+
/* Assign values to the special symbols before the linker script is
read. */
@@ -561,7 +622,12 @@ gld_${EMULATION_NAME}_set_symbols ()
if (link_info.relocateable)
init[IMAGEBASEOFF].value = 0;
else if (init[DLLOFF].value || link_info.shared)
+#ifdef DLL_SUPPORT
+ init[IMAGEBASEOFF].value = (pe_enable_auto_image_base) ?
+ compute_dll_image_base (output_filename) : NT_DLL_IMAGE_BASE;
+#else
init[IMAGEBASEOFF].value = NT_DLL_IMAGE_BASE;
+#endif
else
init[IMAGEBASEOFF].value = NT_EXE_IMAGE_BASE;
}
@@ -626,6 +692,7 @@ gld_${EMULATION_NAME}_after_parse ()
ldlang_add_undef (entry_symbol);
}
+#ifdef DLL_SUPPORT
static struct bfd_link_hash_entry *pe_undef_found_sym;
static boolean
@@ -644,7 +711,6 @@ pe_undef_cdecl_match (h, string)
return true;
}
-#ifdef DLL_SUPPORT
static void
pe_fixup_stdcalls ()
{
@@ -761,6 +827,116 @@ gld_${EMULATION_NAME}_after_open ()
#endif
{
+ /* This next chunk of code tries to detect the case where you have
+ two import libraries for the same DLL (specifically,
+ symbolically linking libm.a and libc.a in cygwin to
+ libcygwin.a). In those cases, it's possible for function
+ thunks from the second implib to be used but without the
+ 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. */
+
+ LANG_FOR_EACH_INPUT_STATEMENT (is)
+ {
+ if (is->the_bfd->my_archive)
+ {
+ int idata2 = 0, reloc_count=0, is_imp = 0;
+ asection *sec;
+
+ /* See if this is an import library thunk. */
+ for (sec = is->the_bfd->sections; sec; sec = sec->next)
+ {
+ if (strcmp (sec->name, ".idata\$2") == 0)
+ idata2 = 1;
+ if (strncmp (sec->name, ".idata\$", 7) == 0)
+ is_imp = 1;
+ reloc_count += sec->reloc_count;
+ }
+
+ if (is_imp && !idata2 && reloc_count)
+ {
+ /* It is, look for the reference to head and see if it's
+ from our own library. */
+ for (sec = is->the_bfd->sections; sec; sec = sec->next)
+ {
+ int i;
+ long symsize;
+ long relsize;
+ asymbol **symbols;
+ arelent **relocs;
+ int nrelocs;
+
+ symsize = bfd_get_symtab_upper_bound (is->the_bfd);
+ if (symsize < 1)
+ break;
+ relsize = bfd_get_reloc_upper_bound (is->the_bfd, sec);
+ if (relsize < 1)
+ break;
+
+ symbols = (asymbol **) xmalloc (symsize);
+ symsize = bfd_canonicalize_symtab (is->the_bfd, symbols);
+ if (symsize < 0)
+ {
+ einfo ("%X%P: unable to process symbols: %E");
+ return;
+ }
+
+ relocs = (arelent **) xmalloc ((size_t) relsize);
+ nrelocs = bfd_canonicalize_reloc (is->the_bfd, sec,
+ relocs, symbols);
+ if (nrelocs < 0)
+ {
+ free (relocs);
+ einfo ("%X%P: unable to process relocs: %E");
+ return;
+ }
+
+ for (i = 0; i < nrelocs; i++)
+ {
+ struct symbol_cache_entry *s;
+ struct bfd_link_hash_entry * blhe;
+ bfd *other_bfd;
+ char *n;
+
+ s = (relocs[i]->sym_ptr_ptr)[0];
+
+ if (s->flags & BSF_LOCAL)
+ continue;
+
+ /* Thunk section with reloc to another bfd. */
+ blhe = bfd_link_hash_lookup (link_info.hash,
+ s->name,
+ false, false, true);
+
+ if (blhe == NULL
+ || blhe->type != bfd_link_hash_defined)
+ continue;
+
+ other_bfd = blhe->u.def.section->owner;
+
+ if (strcmp (is->the_bfd->my_archive->filename,
+ other_bfd->my_archive->filename) == 0)
+ continue;
+
+ /* Rename this implib to match the other. */
+ n = (char *) xmalloc (strlen (other_bfd->my_archive->filename) + 1);
+
+ strcpy (n, other_bfd->my_archive->filename);
+
+ is->the_bfd->my_archive->filename = n;
+ }
+
+ free (relocs);
+ /* Note - we do not free the symbols,
+ they are now cached in the BFD. */
+ }
+ }
+ }
+ }
+ }
+
+ {
int is_ms_arch = 0;
bfd *cur_arch = 0;
lang_input_statement_type *is2;
@@ -816,7 +992,7 @@ gld_${EMULATION_NAME}_after_open ()
sprintf (new_name, "%s.%c", is->the_bfd->filename, seq);
is->the_bfd->filename = new_name;
- new_name = xmalloc (strlen(is->filename) + 3);
+ new_name = xmalloc (strlen (is->filename) + 3);
sprintf (new_name, "%s.%c", is->filename, seq);
is->filename = new_name;
}
@@ -870,10 +1046,10 @@ gld_${EMULATION_NAME}_before_allocation()
#endif /* TARGET_IS_armpe */
}
-
+#ifdef DLL_SUPPORT
/* This is called when an input file isn't recognized as a BFD. We
check here for .DEF files and pull them in automatically. */
-#ifdef DLL_SUPPORT
+
static int
saw_option(char *option)
{
@@ -883,7 +1059,7 @@ saw_option(char *option)
return init[i].inited;
return 0;
}
-#endif
+#endif /* DLL_SUPPORT */
static boolean
gld_${EMULATION_NAME}_unrecognized_file(entry)
@@ -1049,6 +1225,7 @@ gld_${EMULATION_NAME}_finish ()
pe_dll_generate_implib (pe_def_file, pe_implib_filename);
}
#if defined(TARGET_IS_shpe) || defined(TARGET_IS_mipspe)
+ /* ARM doesn't need relocs. */
else
{
pe_exe_fill_sections (output_bfd, &link_info);
@@ -1057,7 +1234,7 @@ gld_${EMULATION_NAME}_finish ()
if (pe_out_def_filename)
pe_dll_generate_def_file (pe_out_def_filename);
-#endif
+#endif /* DLL_SUPPORT */
}
@@ -1074,16 +1251,12 @@ gld_${EMULATION_NAME}_finish ()
default linker script using wildcards, and are sorted by
sort_sections. */
-static asection *hold_section;
-static char *hold_section_name;
-static lang_output_section_statement_type *hold_use;
-static lang_output_section_statement_type *hold_text;
-static lang_output_section_statement_type *hold_rdata;
-static lang_output_section_statement_type *hold_data;
-static lang_output_section_statement_type *hold_bss;
-
-/* Place an orphan section. We use this to put random SHF_ALLOC
- sections in the right segment. */
+struct orphan_save
+{
+ lang_output_section_statement_type *os;
+ asection **section;
+ lang_statement_union_type **stmt;
+};
/*ARGSUSED*/
static boolean
@@ -1092,17 +1265,16 @@ gld_${EMULATION_NAME}_place_orphan (file, s)
asection *s;
{
const char *secname;
+ char *hold_section_name;
char *dollar = NULL;
-
- if ((s->flags & SEC_ALLOC) == 0)
- return false;
+ const char *ps = NULL;
+ lang_output_section_statement_type *os;
+ lang_statement_list_type add_child;
secname = bfd_get_section_name (s->owner, s);
/* Look through the script to see where to place this section. */
- hold_section = s;
-
hold_section_name = xstrdup (secname);
if (!link_info.relocateable)
{
@@ -1111,34 +1283,51 @@ gld_${EMULATION_NAME}_place_orphan (file, s)
*dollar = '\0';
}
- hold_use = NULL;
- lang_for_each_statement (gld${EMULATION_NAME}_place_section);
+ os = lang_output_section_find (hold_section_name);
- if (hold_use == NULL)
+ lang_list_init (&add_child);
+
+ if (os != NULL
+ && os->bfd_section != NULL
+ && ((s->flags ^ os->bfd_section->flags) & (SEC_LOAD | SEC_ALLOC)) == 0)
+ {
+ wild_doit (&add_child, s, os, file);
+ }
+ else
{
- lang_output_section_statement_type *place;
+ struct orphan_save *place;
+ static struct orphan_save hold_text;
+ static struct orphan_save hold_rdata;
+ static struct orphan_save hold_data;
+ static struct orphan_save hold_bss;
char *outsecname;
- asection *snew, **pps;
lang_statement_list_type *old;
lang_statement_list_type add;
etree_type *address;
/* Try to put the new output section in a reasonable place based
on the section name and section flags. */
+#define HAVE_SECTION(hold, name) \
+(hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
+
place = NULL;
- if ((s->flags & SEC_HAS_CONTENTS) == 0
- && hold_bss != NULL)
- place = hold_bss;
+ if ((s->flags & SEC_ALLOC) == 0)
+ ;
+ else if ((s->flags & SEC_HAS_CONTENTS) == 0
+ && HAVE_SECTION (hold_bss, ".bss"))
+ place = &hold_bss;
else if ((s->flags & SEC_READONLY) == 0
- && hold_data != NULL)
- place = hold_data;
+ && HAVE_SECTION (hold_data, ".data"))
+ place = &hold_data;
else if ((s->flags & SEC_CODE) == 0
&& (s->flags & SEC_READONLY) != 0
- && hold_rdata != NULL)
- place = hold_rdata;
+ && HAVE_SECTION (hold_rdata, ".rdata"))
+ place = &hold_rdata;
else if ((s->flags & SEC_READONLY) != 0
- && hold_text != NULL)
- place = hold_text;
+ && HAVE_SECTION (hold_text, ".text"))
+ place = &hold_text;
+
+#undef HAVE_SECTION
/* Choose a unique name for the section. This will be needed if
the same section name appears in the input file with
@@ -1165,32 +1354,33 @@ gld_${EMULATION_NAME}_place_orphan (file, s)
outsecname = newname;
}
- /* We don't want to free OUTSECNAME, as it may get attached to
- the output section statement. */
-
- /* Create the section in the output file, and put it in the
- right place. This shuffling is to make the output file look
- neater. */
- snew = bfd_make_section (output_bfd, outsecname);
- if (snew == NULL)
- einfo ("%P%F: output format %s cannot represent section called %s\n",
- output_bfd->xvec->name, outsecname);
- if (place != NULL && place->bfd_section != NULL)
- {
- for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next)
- ;
- *pps = snew->next;
- snew->next = place->bfd_section->next;
- place->bfd_section->next = snew;
- }
-
/* Start building a list of statements for this section. */
old = stat_ptr;
stat_ptr = &add;
lang_list_init (stat_ptr);
- if (link_info.relocateable)
- address = NULL;
+ if (config.build_constructors)
+ {
+ /* If the name of the section is representable in C, then create
+ symbols to mark the start and the end of the section. */
+ for (ps = outsecname; *ps != '\0'; ps++)
+ if (! isalnum ((unsigned char) *ps) && *ps != '_')
+ break;
+ if (*ps == '\0')
+ {
+ char *symname;
+ etree_type *e_align;
+
+ symname = (char *) xmalloc (ps - outsecname + sizeof "___start_");
+ sprintf (symname, "___start_%s", outsecname);
+ e_align = exp_unop (ALIGN_K,
+ exp_intop ((bfd_vma) 1 << s->alignment_power));
+ lang_add_assignment (exp_assop ('=', symname, e_align));
+ }
+ }
+
+ if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
+ address = exp_intop ((bfd_vma) 0);
else
{
/* All sections in an executable must be aligned to a page
@@ -1199,105 +1389,226 @@ gld_${EMULATION_NAME}_place_orphan (file, s)
exp_nameop (NAME, "__section_alignment__"));
}
- lang_enter_output_section_statement (outsecname, address, 0,
- (bfd_vma) 0,
- (etree_type *) NULL,
- (etree_type *) NULL,
- (etree_type *) NULL);
+ os = lang_enter_output_section_statement (outsecname, address, 0,
+ (bfd_vma) 0,
+ (etree_type *) NULL,
+ (etree_type *) NULL,
+ (etree_type *) NULL);
- hold_use = lang_output_section_statement_lookup (outsecname);
+ wild_doit (&add_child, s, os, file);
lang_leave_output_section_statement
((bfd_vma) 0, "*default*",
- (struct lang_output_section_phdr_list *) NULL,
- "*default*");
+ (struct lang_output_section_phdr_list *) NULL, "*default*");
- /* Now stick the new statement list right after PLACE. */
- if (place != NULL)
- {
- *add.tail = place->header.next;
- place->header.next = add.head;
+ if (config.build_constructors && *ps == '\0')
+ {
+ char *symname;
+
+ /* lang_leave_ouput_section_statement resets stat_ptr. Put
+ stat_ptr back where we want it. */
+ if (place != NULL)
+ stat_ptr = &add;
+
+ symname = (char *) xmalloc (ps - outsecname + sizeof "___stop_");
+ sprintf (symname, "___stop_%s", outsecname);
+ lang_add_assignment (exp_assop ('=', symname,
+ exp_nameop (NAME, ".")));
}
stat_ptr = old;
- }
-
- if (dollar == NULL)
- wild_doit (&hold_use->children, s, hold_use, file);
- else
- {
- lang_statement_union_type **pl;
- boolean found_dollar;
- lang_statement_list_type list;
-
- /* The section name has a '$'. Sort it with the other '$'
- sections. */
- found_dollar = false;
- for (pl = &hold_use->children.head; *pl != NULL; pl = &(*pl)->next)
+ if (place != NULL)
{
- lang_input_section_type *ls;
- const char *lname;
+ asection *snew, **pps;
+
+ snew = os->bfd_section;
+ if (place->os->bfd_section != NULL || place->section != NULL)
+ {
+ /* Shuffle the section to make the output file look neater. */
+ if (place->section == NULL)
+ {
+#if 0
+ /* Finding the end of the list is a little tricky. We
+ make a wild stab at it by comparing section flags. */
+ flagword first_flags = place->os->bfd_section->flags;
+ for (pps = &place->os->bfd_section->next;
+ *pps != NULL && (*pps)->flags == first_flags;
+ pps = &(*pps)->next)
+ ;
+ place->section = pps;
+#else
+ /* Put orphans after the first section on the list. */
+ place->section = &place->os->bfd_section->next;
+#endif
+ }
- if ((*pl)->header.type != lang_input_section_enum)
- continue;
+ /* Unlink the section. */
+ for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next)
+ ;
+ *pps = snew->next;
- ls = &(*pl)->input_section;
+ /* Now tack it on to the "place->os" section list. */
+ snew->next = *place->section;
+ *place->section = snew;
+ }
+ place->section = &snew->next; /* Save the end of this list. */
- lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section);
- if (strchr (lname, '$') == NULL)
+ if (place->stmt == NULL)
{
- if (found_dollar)
- break;
+ /* Put the new statement list right at the head. */
+ *add.tail = place->os->header.next;
+ place->os->header.next = add.head;
}
else
{
- found_dollar = true;
- if (strcmp (secname, lname) < 0)
- break;
+ /* Put it after the last orphan statement we added. */
+ *add.tail = *place->stmt;
+ *place->stmt = add.head;
}
- }
-
- lang_list_init (&list);
- wild_doit (&list, s, hold_use, file);
- if (list.head != NULL)
- {
- ASSERT (list.head->next == NULL);
- list.head->next = *pl;
- *pl = list.head;
+ place->stmt = add.tail; /* Save the end of this list. */
}
}
+ {
+ lang_statement_union_type **pl = &os->children.head;
+
+ if (dollar != NULL)
+ {
+ boolean found_dollar;
+
+ /* The section name has a '$'. Sort it with the other '$'
+ sections. */
+
+ found_dollar = false;
+ for ( ; *pl != NULL; pl = &(*pl)->next)
+ {
+ lang_input_section_type *ls;
+ const char *lname;
+
+ if ((*pl)->header.type != lang_input_section_enum)
+ continue;
+
+ ls = &(*pl)->input_section;
+
+ lname = bfd_get_section_name (ls->ifile->the_bfd, ls->section);
+ if (strchr (lname, '$') == NULL)
+ {
+ if (found_dollar)
+ break;
+ }
+ else
+ {
+ found_dollar = true;
+ if (strcmp (secname, lname) < 0)
+ break;
+ }
+ }
+ }
+
+ if (add_child.head != NULL)
+ {
+ add_child.head->next = *pl;
+ *pl = add_child.head;
+ }
+ }
+
free (hold_section_name);
return true;
}
-static void
-gld${EMULATION_NAME}_place_section (s)
- lang_statement_union_type *s;
+static boolean
+gld_${EMULATION_NAME}_open_dynamic_archive (arch, search, entry)
+ const char * arch ATTRIBUTE_UNUSED;
+ search_dirs_type * search;
+ lang_input_statement_type * entry;
{
- lang_output_section_statement_type *os;
+ const char * filename;
+ char * string;
- if (s->header.type != lang_output_section_statement_enum)
- return;
+ if (! entry->is_archive)
+ return false;
- os = &s->output_section_statement;
+ filename = entry->filename;
- if (strcmp (os->name, hold_section_name) == 0
- && os->bfd_section != NULL
- && ((hold_section->flags & (SEC_LOAD | SEC_ALLOC))
- == (os->bfd_section->flags & (SEC_LOAD | SEC_ALLOC))))
- hold_use = os;
-
- if (strcmp (os->name, ".text") == 0)
- hold_text = os;
- else if (strcmp (os->name, ".rdata") == 0)
- hold_rdata = os;
- else if (strcmp (os->name, ".data") == 0)
- hold_data = os;
- else if (strcmp (os->name, ".bss") == 0)
- hold_bss = os;
+ string = (char *) xmalloc (strlen (search->name)
+ + strlen (filename)
+ + sizeof "/lib.a.dll"
+#ifdef DLL_SUPPORT
+ + (pe_dll_search_prefix ? strlen (pe_dll_search_prefix) : 0)
+#endif
+ + 1);
+
+ /* Try "libfoo.dll.a" first (preferred explicit import library for dll's */
+ sprintf (string, "%s/lib%s.dll.a", search->name, filename);
+
+ if (! ldfile_try_open_bfd (string, entry))
+ {
+ /* Try "foo.dll.a" next (alternate explicit import library for dll's */
+ sprintf (string, "%s/%s.dll.a", search->name, filename);
+ if (! ldfile_try_open_bfd (string, entry))
+ {
+/*
+ Try libfoo.a next. Normally, this would be interpreted as a static
+ library, but it *could* be an import library. For backwards compatibility,
+ libfoo.a needs to ==precede== libfoo.dll and foo.dll in the search,
+ or sometimes errors occur when building legacy packages.
+
+ Putting libfoo.a here means that in a failure case (i.e. the library
+ -lfoo is not found) we will search for libfoo.a twice before
+ 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) */
+ 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) */
+ 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) */
+ sprintf (string, "%s/lib%s.dll", search->name, filename);
+ if (! ldfile_try_open_bfd (string, entry))
+ {
+ /* Finally, try "foo.dll" (alternate dll name) */
+ sprintf (string, "%s/%s.dll", search->name, filename);
+ if (! ldfile_try_open_bfd (string, entry))
+ {
+ free (string);
+ return false;
+ }
+ }
+ }
+ }
+ else /* pe_dll_search_prefix not specified */
+#endif
+ {
+ /* Try "libfoo.dll" (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) */
+ sprintf (string, "%s/%s.dll", search->name, filename);
+ if (! ldfile_try_open_bfd (string, entry))
+ {
+ free (string);
+ return false;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ entry->filename = string;
+
+ return true;
}
static int
@@ -1353,7 +1664,7 @@ struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
"${OUTPUT_FORMAT}",
gld_${EMULATION_NAME}_finish, /* finish */
NULL, /* create output section statements */
- NULL, /* open dynamic archive */
+ gld_${EMULATION_NAME}_open_dynamic_archive,
gld_${EMULATION_NAME}_place_orphan,
gld_${EMULATION_NAME}_set_symbols,
gld_${EMULATION_NAME}_parse_args,
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