/* Plugin support for BFD.
- Copyright 2009
+ Copyright 2009, 2010, 2011, 2012
Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
-#include "config.h"
+#include "sysdep.h"
+#include "bfd.h"
+
+#if BFD_SUPPORTS_PLUGINS
+
#include <assert.h>
+#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
+#elif defined (HAVE_WINDOWS_H)
+#include <windows.h>
+#else
+#error Unknown how to handle dynamic-load-libraries.
+#endif
#include <stdarg.h>
#include "plugin-api.h"
-#include "sysdep.h"
#include "plugin.h"
#include "libbfd.h"
#include "libiberty.h"
#include <dirent.h>
+#if !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H)
+
+#define RTLD_NOW 0 /* Dummy value. */
+
+static void *
+dlopen (const char *file, int mode ATTRIBUTE_UNUSED)
+{
+ return LoadLibrary (file);
+}
+
+static void *
+dlsym (void *handle, const char *name)
+{
+ return GetProcAddress (handle, name);
+}
+
+static int ATTRIBUTE_UNUSED
+dlclose (void *handle)
+{
+ FreeLibrary (handle);
+ return 0;
+}
+
+static const char *
+dlerror (void)
+{
+ return "Unable to load DLL.";
+}
+
+#endif /* !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H) */
+
#define bfd_plugin_close_and_cleanup _bfd_generic_close_and_cleanup
#define bfd_plugin_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
#define bfd_plugin_new_section_hook _bfd_generic_new_section_hook
#define bfd_plugin_bfd_final_link _bfd_generic_final_link
#define bfd_plugin_bfd_link_split_section _bfd_generic_link_split_section
#define bfd_plugin_bfd_gc_sections bfd_generic_gc_sections
+#define bfd_plugin_bfd_lookup_section_flags bfd_generic_lookup_section_flags
#define bfd_plugin_bfd_merge_sections bfd_generic_merge_sections
#define bfd_plugin_bfd_is_group_section bfd_generic_is_group_section
#define bfd_plugin_bfd_discard_group bfd_generic_discard_group
#define bfd_plugin_section_already_linked _bfd_generic_section_already_linked
#define bfd_plugin_bfd_define_common_symbol bfd_generic_define_common_symbol
+#define bfd_plugin_bfd_copy_link_hash_symbol_type _bfd_generic_copy_link_hash_symbol_type
static enum ld_plugin_status
message (int level ATTRIBUTE_UNUSED,
va_start (args, format);
printf ("bfd plugin: ");
vprintf (format, args);
+ putchar ('\n');
va_end (args);
return LDPS_OK;
}
{
bfd *abfd = handle;
struct plugin_data_struct *plugin_data =
- bfd_alloc (abfd, sizeof (plugin_data_struct));;
+ bfd_alloc (abfd, sizeof (plugin_data_struct));
plugin_data->nsyms = nsyms;
plugin_data->syms = syms;
while ((ent = readdir (d)))
{
char *full_name;
- if (ent->d_type != DT_REG && ent->d_type != DT_LNK)
- continue;
+ struct stat s;
full_name = concat (p, "/", ent->d_name, NULL);
- found = try_load_plugin (full_name);
+ if (stat(full_name, &s) == 0 && S_ISREG (s.st_mode))
+ found = try_load_plugin (full_name);
free (full_name);
if (found)
break;
bfd_plugin_object_p (bfd *abfd)
{
int claimed = 0;
- int t = load_plugin ();
struct ld_plugin_input_file file;
- if (!t)
+ bfd *iobfd;
+ static int have_loaded = 0;
+ static int have_plugin = 0;
+
+ if (!have_loaded)
+ {
+ have_loaded = 1;
+ have_plugin = load_plugin ();
+ }
+ if (!have_plugin)
return NULL;
file.name = abfd->filename;
- if (abfd->iostream)
+ if (abfd->my_archive)
{
- file.fd = fileno (abfd->iostream);
- file.offset = 0;
- file.filesize = 0; /*FIXME*/
+ iobfd = abfd->my_archive;
+ file.offset = abfd->origin;
+ file.filesize = arelt_size (abfd);
}
else
{
- bfd *archive = abfd->my_archive;
- BFD_ASSERT (archive);
- file.fd = fileno (archive->iostream);
- file.offset = abfd->origin;
- file.filesize = arelt_size (abfd);
+ iobfd = abfd;
+ file.offset = 0;
+ file.filesize = 0;
+ }
+ if (!iobfd->iostream && !bfd_open_file (iobfd))
+ return NULL;
+
+ file.fd = fileno ((FILE *) iobfd->iostream);
+
+ if (!abfd->my_archive)
+ {
+ struct stat stat_buf;
+ if (fstat (file.fd, &stat_buf))
+ return NULL;
+ file.filesize = stat_buf.st_size;
}
+
file.handle = abfd;
+ off_t cur_offset = lseek(file.fd, 0, SEEK_CUR);
claim_file (&file, &claimed);
+ lseek(file.fd, cur_offset, SEEK_SET);
if (!claimed)
return NULL;
return 0;
}
+static int
+bfd_plugin_core_file_pid (bfd *abfd ATTRIBUTE_UNUSED)
+{
+ BFD_ASSERT (0);
+ return 0;
+}
+
static long
bfd_plugin_get_symtab_upper_bound (bfd *abfd)
{
static asymbol *
bfd_plugin_make_empty_symbol (bfd *abfd)
{
- asymbol *new = bfd_zalloc (abfd, sizeof (asymbol));
- if (new == NULL)
- return new;
- new->the_bfd = abfd;
- return new;
+ asymbol *new_symbol = bfd_zalloc (abfd, sizeof (asymbol));
+ if (new_symbol == NULL)
+ return new_symbol;
+ new_symbol->the_bfd = abfd;
+ return new_symbol;
}
static int
return 0;
}
-static bfd_boolean
-bfd_plugin_mkobject (bfd *abfd ATTRIBUTE_UNUSED)
-{
- BFD_ASSERT (0);
- return 0;
-}
-
const bfd_target plugin_vec =
{
"plugin", /* Name. */
0, /* symbol_leading_char. */
'/', /* ar_pad_char. */
15, /* ar_max_namelen. */
+ 0, /* match priority. */
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
},
{ /* bfd_set_format. */
bfd_false,
- bfd_plugin_mkobject,
+ bfd_false,
_bfd_generic_mkarchive,
bfd_false,
},
NULL /* backend_data. */
};
+#endif /* BFD_SUPPORTS_PLUGIN */
projects / deliverable / binutils-gdb.git / blobdiff