* windows-nat.c (windows_make_so): Use gdb_bfd_open.

	* symfile.c (bfd_open_maybe_remote): Use gdb_bfd_open.
	(symfile_bfd_open): Likewise.
	(generic_load): Likewise.
	* solib.c (solib_bfd_fopen): Use gdb_bfd_open.
	* solib-pa64.c (pa64_solib_create_inferior_hook): Use
	gdb_bfd_open.
	* solib-darwin.c (darwin_solib_get_all_image_info_addr_at_init):
	Use gdb_bfd_open.
	* rs6000-nat.c (add_vmap): Use gdb_bfd_open.
	* remote-mips.c (mips_load_srec): Use gdb_bfd_open.
	(pmon_load_fast): Likewise.
	* remote-m32r-sdi.c (m32r_load): Use gdb_bfd_open.
	* procfs.c (insert_dbx_link_bpt_in_file): Use gdb_bfd_open.
	* machoread.c (macho_symfile_read_all_oso): Use gdb_bfd_open.
	(macho_check_dsym): Likewise.
	* m32r-rom.c (m32r_load): Use gdb_bfd_open.
	(m32r_upload_command): Likewise.
	* gdb_bfd.h (gdb_bfd_cache): Declare.
	* gdb_bfd.c (struct gdb_bfd_data): New.
	(gdb_bfd_cache): New global.
	(struct gdb_bfd_cache_search): New.
	(hash_bfd): New function.
	(eq_bfd): Likewise.
	(gdb_bfd_open): Likewise.
	(gdb_bfd_ref): Allocate a gdb_bfd_data and attach to the BFD.
	(gdb_bfd_unref): Remove closed BFD from cache.  Update for
	gdb_bfd_data.
	* exec.c (exec_file_attach): Use gdb_bfd_open.
	* dsrec.c (load_srec): Use gdb_bfd_open.

13 files changed, 54 insertions, 24 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 571c9b6..2f54efc 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,38 @@
 2012-08-22  Tom Tromey  <tromey@redhat.com>
 
+	* windows-nat.c (windows_make_so): Use gdb_bfd_open.
+	* symfile.c (bfd_open_maybe_remote): Use gdb_bfd_open.
+	(symfile_bfd_open): Likewise.
+	(generic_load): Likewise.
+	* solib.c (solib_bfd_fopen): Use gdb_bfd_open.
+	* solib-pa64.c (pa64_solib_create_inferior_hook): Use
+	gdb_bfd_open.
+	* solib-darwin.c (darwin_solib_get_all_image_info_addr_at_init):
+	Use gdb_bfd_open.
+	* rs6000-nat.c (add_vmap): Use gdb_bfd_open.
+	* remote-mips.c (mips_load_srec): Use gdb_bfd_open.
+	(pmon_load_fast): Likewise.
+	* remote-m32r-sdi.c (m32r_load): Use gdb_bfd_open.
+	* procfs.c (insert_dbx_link_bpt_in_file): Use gdb_bfd_open.
+	* machoread.c (macho_symfile_read_all_oso): Use gdb_bfd_open.
+	(macho_check_dsym): Likewise.
+	* m32r-rom.c (m32r_load): Use gdb_bfd_open.
+	(m32r_upload_command): Likewise.
+	* gdb_bfd.h (gdb_bfd_cache): Declare.
+	* gdb_bfd.c (struct gdb_bfd_data): New.
+	(gdb_bfd_cache): New global.
+	(struct gdb_bfd_cache_search): New.
+	(hash_bfd): New function.
+	(eq_bfd): Likewise.
+	(gdb_bfd_open): Likewise.
+	(gdb_bfd_ref): Allocate a gdb_bfd_data and attach to the BFD.
+	(gdb_bfd_unref): Remove closed BFD from cache.  Update for
+	gdb_bfd_data.
+	* exec.c (exec_file_attach): Use gdb_bfd_open.
+	* dsrec.c (load_srec): Use gdb_bfd_open.
+
+2012-08-22  Tom Tromey  <tromey@redhat.com>
+
 	* dwarf2read.c (macro_start_file): Update.
 	* objfiles.c (get_objfile_bfd_data): Initialize macro_cache.
 	(free_objfile_per_bfd_storage): Destroy macro_cache.
diff --git a/gdb/dsrec.c b/gdb/dsrec.c
index f39d0ed..20ff339 100644
--- a/gdb/dsrec.c
+++ b/gdb/dsrec.c
@@ -61,7 +61,7 @@ load_srec (struct serial *desc, const char *file, bfd_vma load_offset,
 
   srec = (char *) alloca (maxrecsize + 1);
 
-  abfd = gdb_bfd_openr (file, 0);
+  abfd = gdb_bfd_open (file, NULL, -1);
   if (!abfd)
     {
       printf_filtered (_("Unable to open file %s\n"), file);
diff --git a/gdb/exec.c b/gdb/exec.c
index de1b0b6..2bd3181 100644
--- a/gdb/exec.c
+++ b/gdb/exec.c
@@ -230,9 +230,11 @@ exec_file_attach (char *filename, int from_tty)
 
       if (scratch_chan < 0)
 	perror_with_name (filename);
-      exec_bfd = gdb_bfd_fopen (scratch_pathname, gnutarget,
-				write_files ? FOPEN_RUB : FOPEN_RB,
-				scratch_chan);
+      if (write_files)
+	exec_bfd = gdb_bfd_fopen (scratch_pathname, gnutarget,
+				  FOPEN_RUB, scratch_chan);
+      else
+	exec_bfd = gdb_bfd_open (scratch_pathname, gnutarget, scratch_chan);
 
       if (!exec_bfd)
 	{
diff --git a/gdb/m32r-rom.c b/gdb/m32r-rom.c
index 9a2f5aa..4bb4ceb 100644
--- a/gdb/m32r-rom.c
+++ b/gdb/m32r-rom.c
@@ -130,7 +130,7 @@ m32r_load (char *filename, int from_tty)
   if (filename == NULL || filename[0] == 0)
     filename = get_exec_file (1);
 
-  abfd = gdb_bfd_openr (filename, 0);
+  abfd = gdb_bfd_open (filename, NULL, -1);
   if (!abfd)
     error (_("Unable to open file %s."), filename);
   cleanup = make_cleanup_bfd_unref (abfd);
@@ -529,7 +529,7 @@ m32r_upload_command (char *args, int from_tty)
     printf_filtered (" -- Ethernet load complete.\n");
 
   gettimeofday (&end_time, NULL);
-  abfd = gdb_bfd_openr (args, 0);
+  abfd = gdb_bfd_open (args, NULL, -1);
   cleanup = make_cleanup_bfd_unref (abfd);
   if (abfd != NULL)
     {		/* Download is done -- print section statistics.  */
diff --git a/gdb/machoread.c b/gdb/machoread.c
index 2c398fa..6a6eaa1 100644
--- a/gdb/machoread.c
+++ b/gdb/machoread.c
@@ -688,7 +688,7 @@ macho_symfile_read_all_oso (struct objfile *main_objfile, int symfile_flags)
             }
 
 	  /* Open the archive and check the format.  */
-	  archive_bfd = gdb_bfd_openr (archive_name, gnutarget);
+	  archive_bfd = gdb_bfd_open (archive_name, gnutarget, -1);
 	  if (archive_bfd == NULL)
 	    {
 	      warning (_("Could not open OSO archive file \"%s\""),
@@ -762,7 +762,7 @@ macho_symfile_read_all_oso (struct objfile *main_objfile, int symfile_flags)
 	{
           bfd *abfd;
 
-	  abfd = gdb_bfd_openr (oso->name, gnutarget);
+	  abfd = gdb_bfd_open (oso->name, gnutarget, -1);
 	  if (!abfd)
             warning (_("`%s': can't open to read symbols: %s."), oso->name,
                      bfd_errmsg (bfd_get_error ()));
diff --git a/gdb/remote-m32r-sdi.c b/gdb/remote-m32r-sdi.c
index 85268b6..748aeba 100644
--- a/gdb/remote-m32r-sdi.c
+++ b/gdb/remote-m32r-sdi.c
@@ -1258,7 +1258,7 @@ m32r_load (char *args, int from_tty)
   if (!filename)
     filename = get_exec_file (1);
 
-  pbfd = gdb_bfd_openr (filename, gnutarget);
+  pbfd = gdb_bfd_open (filename, gnutarget, -1);
   if (pbfd == NULL)
     {
       perror_with_name (filename);
diff --git a/gdb/remote-mips.c b/gdb/remote-mips.c
index db4381b..7219bc7 100644
--- a/gdb/remote-mips.c
+++ b/gdb/remote-mips.c
@@ -2789,7 +2789,7 @@ mips_load_srec (char *args)
 
   buffer = alloca (srec_frame * 2 + 256);
 
-  abfd = gdb_bfd_openr (args, 0);
+  abfd = gdb_bfd_open (args, NULL, -1);
   if (!abfd)
     {
       printf_filtered ("Unable to open file %s\n", args);
@@ -3376,7 +3376,7 @@ pmon_load_fast (char *file)
   buffer = (char *) xmalloc (MAXRECSIZE + 1);
   binbuf = (unsigned char *) xmalloc (BINCHUNK);
 
-  abfd = gdb_bfd_openr (file, 0);
+  abfd = gdb_bfd_open (file, NULL, -1);
   if (!abfd)
     {
       printf_filtered ("Unable to open file %s\n", file);
diff --git a/gdb/rs6000-nat.c b/gdb/rs6000-nat.c
index 9b8efd3..0ec0429 100644
--- a/gdb/rs6000-nat.c
+++ b/gdb/rs6000-nat.c
@@ -745,12 +745,7 @@ add_vmap (LdInfo *ldi)
   mem = xstrdup (mem);
 
   fd = LDI_FD (ldi, arch64);
-  if (fd < 0)
-    /* Note that this opens it once for every member; a possible
-       enhancement would be to only open it once for every object.  */
-    abfd = gdb_bfd_openr (filename, gnutarget);
-  else
-    abfd = gdb_bfd_fdopenr (filename, gnutarget, fd);
+  abfd = gdb_bfd_open (filename, gnutarget, fd < 0 ? -1 : fd);
   if (!abfd)
     {
       warning (_("Could not open `%s' as an executable file: %s"),
diff --git a/gdb/solib-darwin.c b/gdb/solib-darwin.c
index d08bd38..55ecb91 100644
--- a/gdb/solib-darwin.c
+++ b/gdb/solib-darwin.c
@@ -371,7 +371,7 @@ darwin_solib_get_all_image_info_addr_at_init (struct darwin_info *info)
   cleanup = make_cleanup (null_cleanup, NULL);
 
   /* Create a bfd for the interpreter.  */
-  dyld_bfd = gdb_bfd_openr (interp_name, gnutarget);
+  dyld_bfd = gdb_bfd_open (interp_name, gnutarget, -1);
   if (dyld_bfd)
     {
       bfd *sub;
diff --git a/gdb/solib-pa64.c b/gdb/solib-pa64.c
index 00ed8a5..d9f277f 100644
--- a/gdb/solib-pa64.c
+++ b/gdb/solib-pa64.c
@@ -362,7 +362,7 @@ manpage for methods to privately map shared library text."));
 	 to find any magic formula to find it for Solaris (appears to
 	 be trivial on GNU/Linux).  Therefore, we have to try an alternate
 	 mechanism to find the dynamic linker's base address.  */
-      tmp_bfd = gdb_bfd_openr (buf, gnutarget);
+      tmp_bfd = gdb_bfd_open (buf, gnutarget, -1);
       if (tmp_bfd == NULL)
 	return;
 
diff --git a/gdb/solib.c b/gdb/solib.c
index 3081f35..01573f8 100644
--- a/gdb/solib.c
+++ b/gdb/solib.c
@@ -377,7 +377,7 @@ solib_bfd_fopen (char *pathname, int fd)
     }
   else
     {
-      abfd = gdb_bfd_fopen (pathname, gnutarget, FOPEN_RB, fd);
+      abfd = gdb_bfd_open (pathname, gnutarget, fd);
 
       if (abfd)
 	bfd_set_cacheable (abfd, 1);
diff --git a/gdb/symfile.c b/gdb/symfile.c
index 6c93ba6..7c202b5 100644
--- a/gdb/symfile.c
+++ b/gdb/symfile.c
@@ -1703,7 +1703,7 @@ gdb_bfd_open_maybe_remote (const char *name)
   if (remote_filename_p (name))
     result = remote_bfd_open (name, gnutarget);
   else
-    result = gdb_bfd_openr (name, gnutarget);
+    result = gdb_bfd_open (name, gnutarget, -1);
 
   return result;
 }
@@ -1763,7 +1763,7 @@ symfile_bfd_open (char *name)
   name = absolute_name;
   make_cleanup (xfree, name);
 
-  sym_bfd = gdb_bfd_fopen (name, gnutarget, FOPEN_RB, desc);
+  sym_bfd = gdb_bfd_open (name, gnutarget, desc);
   if (!sym_bfd)
     {
       make_cleanup (xfree, name);
@@ -2103,7 +2103,7 @@ generic_load (char *args, int from_tty)
     }
 
   /* Open the file for loading.  */
-  loadfile_bfd = gdb_bfd_openr (filename, gnutarget);
+  loadfile_bfd = gdb_bfd_open (filename, gnutarget, -1);
   if (loadfile_bfd == NULL)
     {
       perror_with_name (filename);
diff --git a/gdb/windows-nat.c b/gdb/windows-nat.c
index afef615..b3c4a8e 100644
--- a/gdb/windows-nat.c
+++ b/gdb/windows-nat.c
@@ -752,7 +752,7 @@ windows_make_so (const char *name, LPVOID load_addr)
       asection *text = NULL;
       CORE_ADDR text_vma;
 
-      abfd = gdb_bfd_openr (so->so_name, "pei-i386");
+      abfd = gdb_bfd_open (so->so_name, "pei-i386", -1);
 
       if (!abfd)
 	return so;