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Re: [patch/rfa] Handle unwinding through export stubs on hpux
- From: Andrew Cagney <cagney at gnu dot org>
- To: Randolph Chung <randolph at tausq dot org>
- Cc: gdb-patches at sources dot redhat dot com
- Date: Mon, 17 May 2004 11:09:29 -0400
- Subject: Re: [patch/rfa] Handle unwinding through export stubs on hpux
- References: <20040515235801.GY566@tausq.org>
diff -u -p -u -r1.156 hppa-tdep.c
--- hppa-tdep.c 8 May 2004 03:59:34 -0000 1.156
+++ hppa-tdep.c 15 May 2004 20:54:57 -0000
@@ -2023,6 +2023,7 @@ hppa_stub_frame_unwind_cache (struct fra
{
struct gdbarch *gdbarch = get_frame_arch (next_frame);
struct hppa_stub_unwind_cache *info;
+ struct unwind_table_entry *u;
if (*this_cache)
return *this_cache;
@@ -2031,8 +2032,19 @@ hppa_stub_frame_unwind_cache (struct fra
*this_cache = info;
info->saved_regs = trad_frame_alloc_saved_regs (next_frame);
- info->saved_regs[HPPA_PCOQ_HEAD_REGNUM].realreg = HPPA_RP_REGNUM;
- info->base = frame_unwind_register_unsigned (next_frame, HPPA_SP_REGNUM);
+ if ((gdbarch_osabi (gdbarch) == GDB_OSABI_HPUX_ELF
+ || gdbarch_osabi (gdbarch) == GDB_OSABI_HPUX_SOM)
+ && (u = find_unwind_entry (frame_pc_unwind (next_frame)))
(Mark's already mentioned assignments inside conditionals). Ok after
that is fixed.
Andrew
+ && (u->stub_unwind.stub_type == EXPORT))
+ {
+ info->base = frame_unwind_register_unsigned (next_frame, HPPA_SP_REGNUM);
+ info->saved_regs[HPPA_PCOQ_HEAD_REGNUM].addr = info->base - 24;
+ }
+ else
+ {
+ info->base = frame_unwind_register_unsigned (next_frame, HPPA_SP_REGNUM);
+ info->saved_regs[HPPA_PCOQ_HEAD_REGNUM].realreg = HPPA_RP_REGNUM;
+ }
return info;
}