diff mbox

[1/2] Fix infinite recursion in amd64fbsd_sigcontext_addr().

Message ID 2821594.BvgdgVAvXD@ralph.baldwin.cx
State New
Headers show

Commit Message

John Baldwin Feb. 25, 2015, 2:50 p.m. UTC
---
 gdb/amd64fbsd-tdep.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/gdb/amd64fbsd-tdep.c b/gdb/amd64fbsd-tdep.c
index 2d49cdf..abb0cab 100644
--- a/gdb/amd64fbsd-tdep.c
+++ b/gdb/amd64fbsd-tdep.c
@@ -37,12 +37,16 @@ 
 static CORE_ADDR
 amd64fbsd_sigcontext_addr (struct frame_info *this_frame)
 {
+  struct gdbarch *gdbarch = get_frame_arch (this_frame);
+  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
   CORE_ADDR sp;
+  gdb_byte buf[8];
 
   /* The `struct sigcontext' (which really is an `ucontext_t' on
      FreeBSD/amd64) lives at a fixed offset in the signal frame.  See
      <machine/sigframe.h>.  */
-  sp = frame_unwind_register_unsigned (this_frame, AMD64_RSP_REGNUM);
+  get_frame_register (this_frame, AMD64_RSP_REGNUM, buf);
+  sp = extract_unsigned_integer (buf, 8, byte_order);
   return sp + 16;
 }