/* Plugin support for BFD.
- Copyright 2009, 2010, 2011, 2012
- Free Software Foundation, Inc.
+ Copyright (C) 2009-2014 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#define bfd_plugin_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false)
#define bfd_plugin_get_lineno _bfd_nosymbols_get_lineno
#define bfd_plugin_find_nearest_line _bfd_nosymbols_find_nearest_line
+#define bfd_plugin_find_line _bfd_nosymbols_find_line
#define bfd_plugin_find_inliner_info _bfd_nosymbols_find_inliner_info
#define bfd_plugin_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
#define bfd_plugin_read_minisymbols _bfd_generic_read_minisymbols
#define bfd_plugin_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents
#define bfd_plugin_bfd_relax_section bfd_generic_relax_section
#define bfd_plugin_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
-#define bfd_plugin_bfd_link_hash_table_free _bfd_generic_link_hash_table_free
#define bfd_plugin_bfd_link_add_symbols _bfd_generic_link_add_symbols
#define bfd_plugin_bfd_link_just_syms _bfd_generic_link_just_syms
#define bfd_plugin_bfd_final_link _bfd_generic_final_link
}
static int
-try_load_plugin (const char *pname)
+try_claim (bfd *abfd)
{
- static void *plugin_handle;
+ int claimed = 0;
+ struct ld_plugin_input_file file;
+ bfd *iobfd;
+
+ file.name = abfd->filename;
+
+ if (abfd->my_archive)
+ {
+ iobfd = abfd->my_archive;
+ file.offset = abfd->origin;
+ file.filesize = arelt_size (abfd);
+ }
+ else
+ {
+ iobfd = abfd;
+ file.offset = 0;
+ file.filesize = 0;
+ }
+
+ if (!iobfd->iostream && !bfd_open_file (iobfd))
+ return 0;
+
+ file.fd = fileno ((FILE *) iobfd->iostream);
+
+ if (!abfd->my_archive)
+ {
+ struct stat stat_buf;
+ if (fstat (file.fd, &stat_buf))
+ return 0;
+ 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 0;
+
+ return 1;
+}
+
+static int
+try_load_plugin (const char *pname, bfd *abfd)
+{
+ void *plugin_handle;
int tv_size = 4;
struct ld_plugin_tv tv[tv_size];
int i;
if (!claim_file)
goto err;
+ if (!try_claim (abfd))
+ goto err;
+
return 1;
err:
}
static int
-load_plugin (void)
+load_plugin (bfd *abfd)
{
char *plugin_dir;
char *p;
int found = 0;
if (plugin_name)
- return try_load_plugin (plugin_name);
+ return try_load_plugin (plugin_name, abfd);
if (plugin_program_name == NULL)
return 0;
char *full_name;
struct stat s;
+#ifdef BFD_PLUGIN_LTO_NAME
+#define STRINGIFY(x) STRINGIFY_(x)
+#define STRINGIFY_(x) #x
+ if (strcmp(ent->d_name, STRINGIFY(BFD_PLUGIN_LTO_NAME))) {
+ continue;
+ }
+#endif
+
full_name = concat (p, "/", ent->d_name, NULL);
if (stat(full_name, &s) == 0 && S_ISREG (s.st_mode))
- found = try_load_plugin (full_name);
+ found = try_load_plugin (full_name, abfd);
free (full_name);
if (found)
break;
static const bfd_target *
bfd_plugin_object_p (bfd *abfd)
{
- int claimed = 0;
- struct ld_plugin_input_file file;
- 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->my_archive)
- {
- iobfd = abfd->my_archive;
- file.offset = abfd->origin;
- file.filesize = arelt_size (abfd);
- }
- else
- {
- 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)
+ if (!load_plugin (abfd))
return NULL;
return abfd->xvec;