New python attribute gdb.Objfile.build_id.

gdb/ChangeLog:

	* NEWS: Mention gdb.Objfile.build_id.
	* build-id.c (build_id_bfd_get): Make non-static.
	* build-id.h (build_id_bfd_get): Add declaration.
	* python/py-objfile.c: #include "build-id.h", "elf-bfd.h".
	(OBJFPY_REQUIRE_VALID): New macro.
	(objfpy_get_build_id): New function.
	(objfile_getset): Add "build_id".
	* utils.c (make_hex_string): New function.
	* utils.h (make_hex_string): Add declaration.

gdb/doc/ChangeLog:

	* python.texi (Objfiles In Python): Document Objfile.build_id.

gdb/testsuite/ChangeLog:

	* lib/gdb.exp (get_build_id): New function.
	(build_id_debug_filename_get): Rewrite to use it.
	* gdb.python/py-objfile.exp: Add test for objfile.build_id.

1 files changed, 17 insertions, 0 deletions

diff --git a/gdb/utils.c b/gdb/utils.c
index 1f5f4f4..1ab183c 100644
--- a/gdb/utils.c
+++ b/gdb/utils.c
@@ -1112,6 +1112,23 @@ gdb_print_host_address (const void *addr, struct ui_file *stream)
 {
   fprintf_filtered (stream, "%s", host_address_to_string (addr));
 }
+
+/* See utils.h.  */
+
+char *
+make_hex_string (const gdb_byte *data, size_t length)
+{
+  char *result = xmalloc (length * 2 + 1);
+  char *p;
+  size_t i;
+
+  p = result;
+  for (i = 0; i < length; ++i)
+    p += sprintf (p, "%02x", data[i]);
+  *p = '\0';
+  return result;
+}
+
 
 
 /* A cleanup function that calls regfree.  */