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* hppa-hpux-tdep.c (hppa_hpux_sigtramp_unwind_sniffer): Detect 

export stub for signal trampoline as a signal trampoline too.
This commit is contained in:
Mark Kettenis 2005-12-13 10:24:35 +00:00
parent 755f4b216b
commit a717134b33
2 changed files with 19 additions and 0 deletions
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3
gdb/ChangeLog
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@ -1,5 +1,8 @@
2005-12-13 Mark Kettenis <kettenis@gnu.org>
* hppa-hpux-tdep.c (hppa_hpux_sigtramp_unwind_sniffer): Detect
export stub for signal trampoline as a signal trampoline too.
* hppa-hpux-tdep.c (hppa_hpux_sigtramp_frame_unwind_cache): Don't
set pcoqh to rp.

16
gdb/hppa-hpux-tdep.c
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@ -1276,6 +1276,22 @@ hppa_hpux_sigtramp_unwind_sniffer (struct frame_info *next_frame)
u = find_unwind_entry (pc);
/* If this is an export stub, try to get the unwind descriptor for
the actual function itself. */
if (u && u->stub_unwind.stub_type == EXPORT)
{
gdb_byte buf[HPPA_INSN_SIZE];
unsigned long insn;
if (!safe_frame_unwind_memory (next_frame, u->region_start,
buf, sizeof buf))
return NULL;
insn = extract_unsigned_integer (buf, sizeof buf);
if ((insn & 0xffe0e000) == 0xe8400000)
u = find_unwind_entry(u->region_start + hppa_extract_17 (insn) + 8);
}
if (u && u->HP_UX_interrupt_marker)
return &hppa_hpux_sigtramp_frame_unwind;