X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fcorelow.c;h=bdbfae372d74f187d1ebde7f03ab823e7c741b7d;hb=c8ec2f433c54dae7746db144a872da6f808e5d73;hp=cea9210a52039ebc753b969e761d1d0adf14b0d0;hpb=abf516c6931af1683d1e51203de1ca01467f9f85;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/corelow.c b/gdb/corelow.c
index cea9210a52..bdbfae372d 100644
--- a/gdb/corelow.c
+++ b/gdb/corelow.c
@@ -35,7 +35,7 @@
 #include "regset.h"
 #include "symfile.h"
 #include "exec.h"
-#include "readline/readline.h"
+#include "readline/tilde.h"
 #include "solib.h"
 #include "filenames.h"
 #include "progspace.h"
@@ -43,6 +43,7 @@
 #include "gdb_bfd.h"
 #include "completer.h"
 #include "gdbsupport/filestuff.h"
+#include "build-id.h"
 
 #ifndef O_LARGEFILE
 #define O_LARGEFILE 0
@@ -330,7 +331,7 @@ maybe_say_no_core_file_now (int from_tty)
     printf_filtered (_("No core file now.\n"));
 }
 
-/* Backward compatability with old way of specifying core files.  */
+/* Backward compatibility with old way of specifying core files.  */
 
 void
 core_file_command (const char *filename, int from_tty)
@@ -351,6 +352,27 @@ core_file_command (const char *filename, int from_tty)
     core_target_open (filename, from_tty);
 }
 
+/* Locate (and load) an executable file (and symbols) given the core file
+   BFD ABFD.  */
+
+static void
+locate_exec_from_corefile_build_id (bfd *abfd, int from_tty)
+{
+  const bfd_build_id *build_id = build_id_bfd_get (abfd);
+  if (build_id == nullptr)
+    return;
+
+  gdb_bfd_ref_ptr execbfd
+    = build_id_to_exec_bfd (build_id->size, build_id->data);
+
+  if (execbfd != nullptr)
+    {
+      exec_file_attach (bfd_get_filename (execbfd.get ()), from_tty);
+      symbol_file_add_main (bfd_get_filename (execbfd.get ()),
+			    symfile_add_flag (from_tty ? SYMFILE_VERBOSE : 0));
+    }
+}
+
 /* See gdbcore.h.  */
 
 void
@@ -456,6 +478,9 @@ core_target_open (const char *arg, int from_tty)
 	switch_to_thread (thread);
     }
 
+  if (exec_bfd == nullptr)
+    locate_exec_from_corefile_build_id (core_bfd, from_tty);
+
   post_create_inferior (target, from_tty);
 
   /* Now go through the target stack looking for threads since there