Update w/HEADusers/pmuldoon/c++compile

Problems:
	gdb/compile/compile.c
	gdb/cp-support.c
	gdb/cp-support.h
	gdb/gdbtypes.h
	gdb/language.c
	gdb/linespec.c

1 files changed, 22 insertions, 6 deletions

diff --git a/gdb/linux-tdep.c b/gdb/linux-tdep.c
index 1afa8d7..5c7f8a0 100644
--- a/gdb/linux-tdep.c
+++ b/gdb/linux-tdep.c
@@ -1127,6 +1127,26 @@ linux_core_info_proc (struct gdbarch *gdbarch, const char *args,
     error (_("unable to handle request"));
 }
 
+/* Read siginfo data from the core, if possible.  Returns -1 on
+   failure.  Otherwise, returns the number of bytes read.  READBUF,
+   OFFSET, and LEN are all as specified by the to_xfer_partial
+   interface.  */
+
+static LONGEST
+linux_core_xfer_siginfo (struct gdbarch *gdbarch, gdb_byte *readbuf,
+			 ULONGEST offset, ULONGEST len)
+{
+  thread_section_name section_name (".note.linuxcore.siginfo", inferior_ptid);
+  asection *section = bfd_get_section_by_name (core_bfd, section_name.c_str ());
+  if (section == NULL)
+    return -1;
+
+  if (!bfd_get_section_contents (core_bfd, section, readbuf, offset, len))
+    return -1;
+
+  return len;
+}
+
 typedef int linux_find_memory_region_ftype (ULONGEST vaddr, ULONGEST size,
 					    ULONGEST offset, ULONGEST inode,
 					    int read, int write,
@@ -1506,16 +1526,12 @@ linux_make_mappings_corefile_notes (struct gdbarch *gdbarch, bfd *obfd,
 				    char *note_data, int *note_size)
 {
   struct cleanup *cleanup;
-  struct obstack data_obstack, filename_obstack;
   struct linux_make_mappings_data mapping_data;
   struct type *long_type
     = arch_integer_type (gdbarch, gdbarch_long_bit (gdbarch), 0, "long");
   gdb_byte buf[sizeof (ULONGEST)];
 
-  obstack_init (&data_obstack);
-  cleanup = make_cleanup_obstack_free (&data_obstack);
-  obstack_init (&filename_obstack);
-  make_cleanup_obstack_free (&filename_obstack);
+  auto_obstack data_obstack, filename_obstack;
 
   mapping_data.file_count = 0;
   mapping_data.data_obstack = &data_obstack;
@@ -1548,7 +1564,6 @@ linux_make_mappings_corefile_notes (struct gdbarch *gdbarch, bfd *obfd,
 				      obstack_object_size (&data_obstack));
     }
 
-  do_cleanups (cleanup);
   return note_data;
 }
 
@@ -2521,6 +2536,7 @@ linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   set_gdbarch_core_pid_to_str (gdbarch, linux_core_pid_to_str);
   set_gdbarch_info_proc (gdbarch, linux_info_proc);
   set_gdbarch_core_info_proc (gdbarch, linux_core_info_proc);
+  set_gdbarch_core_xfer_siginfo (gdbarch, linux_core_xfer_siginfo);
   set_gdbarch_find_memory_regions (gdbarch, linux_find_memory_regions);
   set_gdbarch_make_corefile_notes (gdbarch, linux_make_corefile_notes);
   set_gdbarch_has_shared_address_space (gdbarch,