From: "John David Anglin" <dave@hiauly1.hia.nrc.ca>
To: gdb-patches@sources.redhat.com
Cc: randolph@tausq.org, cagney@gnu.org
Subject: Re: [patch/rfa] Handle unwinding through export stubs on hpux
Date: Mon, 17 May 2004 18:46:00 -0000 [thread overview]
Message-ID: <200405171846.i4HIkNmn006792@hiauly1.hia.nrc.ca> (raw)
+ if (gdbarch_osabi (gdbarch) == GDB_OSABI_HPUX_ELF
+ || gdbarch_osabi (gdbarch) == GDB_OSABI_HPUX_SOM)
+ {
+ /* HPUX uses export stubs in function calls; the export stub clobbers
+ the return value of the caller, and, later restores it from the
+ stack. */
+ u = find_unwind_entry (frame_pc_unwind (next_frame));
+
+ if (u && u->stub_unwind.stub_type == EXPORT)
+ {
+ info->saved_regs[HPPA_PCOQ_HEAD_REGNUM].addr = info->base - 24;
I don't believe that the 64-bit HP-UX runtime uses export stubs which
clobber the return value of the caller. This is only true for the SOM
runtime.
Dave
--
J. David Anglin dave.anglin@nrc-cnrc.gc.ca
National Research Council of Canada (613) 990-0752 (FAX: 952-6602)
next reply other threads:[~2004-05-17 18:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-17 18:46 John David Anglin [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-05-15 23:58 Randolph Chung
2004-05-17 15:09 ` Andrew Cagney
2004-05-17 16:47 ` Randolph Chung
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