Re: [patch/rfa] Handle unwinding through export stubs on hpux

[Andrew Cagney <cagney@gnu.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;
 }