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[COMMIT] OpenBSD/sparc64 sigtramp StackGhost support
- From: Mark Kettenis <mark dot kettenis at xs4all dot nl>
- To: gdb-patches at sourceware dot org
- Date: Mon, 28 Mar 2005 17:29:41 +0200 (CEST)
- Subject: [COMMIT] OpenBSD/sparc64 sigtramp StackGhost support
Committed,
Mark
Index: ChangeLog
from Mark Kettenis <kettenis@gnu.org>
* sparc64nbsd-tdep.c (sparc64nbsd_sigcontext_saved_regs): Handle
StackGhost.
Index: sparc64nbsd-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/sparc64nbsd-tdep.c,v
retrieving revision 1.14
diff -u -p -r1.14 sparc64nbsd-tdep.c
--- sparc64nbsd-tdep.c 9 Mar 2005 22:08:13 -0000 1.14
+++ sparc64nbsd-tdep.c 28 Mar 2005 15:28:14 -0000
@@ -133,6 +133,20 @@ sparc64nbsd_sigcontext_saved_regs (CORE_
regnum <= SPARC_I7_REGNUM; regnum++, addr += 8)
saved_regs[regnum].addr = addr;
+ /* Handle StackGhost. */
+ {
+ ULONGEST wcookie = sparc_fetch_wcookie ();
+
+ if (wcookie != 0)
+ {
+ ULONGEST i7;
+
+ addr = saved_regs[SPARC_I7_REGNUM].addr;
+ i7 = get_frame_memory_unsigned (next_frame, addr, 8);
+ trad_frame_set_value (saved_regs, SPARC_I7_REGNUM, i7 ^ wcookie);
+ }
+ }
+
/* TODO: Handle the floating-point registers. */
return saved_regs;