From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32042 invoked by alias); 17 Nov 2005 04:47:43 -0000 Received: (qmail 32026 invoked by uid 22791); 17 Nov 2005 04:47:36 -0000 Received: from ip127.bb146.pacific.net.hk (HELO stl.com.hk) (202.64.146.127) by sourceware.org (qpsmtpd/0.30-dev) with ESMTP; Thu, 17 Nov 2005 04:47:36 +0000 Received: from rccomp.stl.com.hk ([192.168.100.200]) by stl.com.hk with esmtp (Exim 4.50) id 1Ecbcd-0005Uz-1U for gdb-patches@sources.redhat.com; Thu, 17 Nov 2005 12:43:43 +0800 Message-ID: <437C0B76.7010109@tausq.org> Date: Thu, 17 Nov 2005 11:28:00 -0000 From: Randolph Chung User-Agent: Mozilla Thunderbird 1.0.6 (Windows/20050805) MIME-Version: 1.0 To: gdb-patches@sources.redhat.com Subject: [hppa-hpux] Signal frame unwinding support for hppa64-hp-hpux11.11 Content-Type: multipart/mixed; boundary="------------040002070601050306040309" Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2005-11/txt/msg00268.txt.bz2 This is a multi-part message in MIME format. --------------040002070601050306040309 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-length: 314 The attached patch adds support for signal frame unwinding under hppa64-hp-hpux11.11, and fixes a bug with signal frame unwinding under hppa2.0w-hp-hpux11.11. I will commit this in a day or no if there are no comments. randolph -- Randolph Chung Debian GNU/Linux Developer, hppa/ia64 ports http://www.tausq.org/ --------------040002070601050306040309 Content-Type: text/plain; name="hpux-sigframe.diff" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="hpux-sigframe.diff" Content-length: 2128 2005-11-15 Randolph Chung * hppa-hpux-tdep.c (hppa_hpux_sigtramp_frame_unwind_cache): Ensure "off" is large enough to hold 64-bit offset. Set proper signal context offset for 64-bit programs. Set pc properly for signal frames. Index: hppa-hpux-tdep.c =================================================================== RCS file: /cvs/src/src/gdb/hppa-hpux-tdep.c,v retrieving revision 1.43 diff -u -p -r1.43 hppa-hpux-tdep.c --- hppa-hpux-tdep.c 29 Oct 2005 21:31:45 -0000 1.43 +++ hppa-hpux-tdep.c 15 Nov 2005 15:40:07 -0000 @@ -1158,8 +1158,8 @@ hppa_hpux_sigtramp_frame_unwind_cache (s struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); struct hppa_hpux_sigtramp_unwind_cache *info; unsigned int flag; - CORE_ADDR sp, scptr; - int i, incr, off, szoff; + CORE_ADDR sp, scptr, off; + int i, incr, szoff; if (*this_cache) return *this_cache; @@ -1170,14 +1170,18 @@ hppa_hpux_sigtramp_frame_unwind_cache (s sp = frame_unwind_register_unsigned (next_frame, HPPA_SP_REGNUM); - scptr = sp - 1352; + if (IS_32BIT_TARGET (gdbarch)) + scptr = sp - 1352; + else + scptr = sp - 1520; + off = scptr; /* See /usr/include/machine/save_state.h for the structure of the save_state_t structure. */ flag = read_memory_unsigned_integer(scptr, 4); - + if (!(flag & 0x40)) { /* Narrow registers. */ @@ -1188,7 +1192,7 @@ hppa_hpux_sigtramp_frame_unwind_cache (s else { /* Wide registers. */ - off = scptr + offsetof (save_state_t, ss_wide) + 8; + off = scptr + offsetof (save_state_t, ss_wide.ss_64) + 8; incr = 8; szoff = (tdep->bytes_per_address == 4 ? 4 : 0); } @@ -1203,11 +1207,15 @@ hppa_hpux_sigtramp_frame_unwind_cache (s { if (hppa_hpux_tramp_reg[i] > 0) info->saved_regs[hppa_hpux_tramp_reg[i]].addr = off + szoff; + off += incr; } /* TODO: fp regs */ + info->saved_regs[HPPA_PCOQ_HEAD_REGNUM].addr = + info->saved_regs[HPPA_RP_REGNUM].addr; + info->base = frame_unwind_register_unsigned (next_frame, HPPA_SP_REGNUM); return info; --------------040002070601050306040309--