Don't force building target GMP and MPFR when a native gdb is built. Rather,
add a config knob to configure the native gdb to use or not to use GMP and
MPFR; _this_config_knob_ will force building the target GMP and MPFR only if
turned on.
/trunk/scripts/build/debug/300-gdb.sh | 2 1 1 0 +-
/trunk/config/debug/gdb.in | 21 19 2 0 +++++++++++++++++++--
2 files changed, 20 insertions(+), 3 deletions(-)
1 Original patch from gentoo: gentoo/src/patchsets/gdb/6.8/80_all_gdb-6.5-dwarf-stack-overflow.patch
2 -= BEGIN original header =-
3 http://bugs.gentoo.org/144833
6 2006-08-22 Will Drewry <wad@google.com>
7 Tavis Ormandy <taviso@google.com>
9 * dwarf2read.c (decode_locdesc): Enforce location description stack
11 * dwarfread.c (locval): Likewise.
13 -= END original header =-
14 diff -durN gdb-6.8.orig/gdb/dwarf2read.c gdb-6.8/gdb/dwarf2read.c
15 --- gdb-6.8.orig/gdb/dwarf2read.c 2008-03-10 15:18:10.000000000 +0100
16 +++ gdb-6.8/gdb/dwarf2read.c 2008-06-17 16:07:31.000000000 +0200
18 callers will only want a very basic result and this can become a
21 - Note that stack[0] is unused except as a default error return.
22 - Note that stack overflow is not yet handled. */
23 + Note that stack[0] is unused except as a default error return. */
26 decode_locdesc (struct dwarf_block *blk, struct dwarf2_cu *cu)
32 + stack[++stacki] = 0;
36 @@ -9324,6 +9323,16 @@
37 dwarf_stack_op_name (op));
38 return (stack[stacki]);
40 + /* Enforce maximum stack depth of size-1 to avoid ++stacki writing
41 + outside of the allocated space. Also enforce minimum > 0.
42 + -- wad@google.com 14 Aug 2006 */
43 + if (stacki >= sizeof (stack) / sizeof (*stack) - 1)
44 + internal_error (__FILE__, __LINE__,
45 + _("location description stack too deep: %d"),
48 + internal_error (__FILE__, __LINE__,
49 + _("location description stack too shallow"));
51 return (stack[stacki]);