/* Target-dependent mdebug code for the ALPHA architecture.
- Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+ Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+ 2003, 2007 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "frame.h"
#include "gdbcore.h"
#include "block.h"
#include "gdb_assert.h"
+#include "gdb_string.h"
#include "alpha-tdep.h"
#include "mdebugread.h"
struct block *b = block_for_pc (pc);
struct mdebug_extra_func_info *proc_desc = NULL;
struct symbol *sym = NULL;
+ char *sh_name = NULL;
if (b)
{
CORE_ADDR startaddr;
- find_pc_partial_function (pc, NULL, &startaddr, NULL);
+ find_pc_partial_function (pc, &sh_name, &startaddr, NULL);
if (startaddr > BLOCK_START (b))
/* This is the "pathological" case referred to in a comment in
{
proc_desc = (struct mdebug_extra_func_info *) SYMBOL_VALUE (sym);
+ /* Correct incorrect setjmp procedure descriptor from the library
+ to make backtrace through setjmp work. */
+ if (proc_desc->pdr.pcreg == 0
+ && strcmp (sh_name, "setjmp") == 0)
+ {
+ proc_desc->pdr.pcreg = ALPHA_RA_REGNUM;
+ proc_desc->pdr.regmask = 0x80000000;
+ proc_desc->pdr.regoffset = -4;
+ }
+
/* If we never found a PDR for this function in symbol reading,
then examine prologues to find the information. */
if (proc_desc->pdr.framereg == -1)
info->saved_regs = frame_obstack_zalloc (SIZEOF_FRAME_SAVED_REGS);
/* The VFP of the frame is at FRAME_REG+FRAME_OFFSET. */
- frame_unwind_unsigned_register (next_frame, PROC_FRAME_REG (proc_desc), &vfp);
+ vfp = frame_unwind_register_unsigned (next_frame, PROC_FRAME_REG (proc_desc));
vfp += PROC_FRAME_OFFSET (info->proc_desc);
info->vfp = vfp;
struct alpha_mdebug_unwind_cache *info
= alpha_mdebug_frame_unwind_cache (next_frame, this_prologue_cache);
- *this_id = frame_id_build (info->vfp, frame_func_unwind (next_frame));
+ *this_id = frame_id_build (info->vfp,
+ frame_func_unwind (next_frame, NORMAL_FRAME));
}
/* Retrieve the value of REGNUM in FRAME. Don't give up! */
}
/* Otherwise assume the next frame has the same register value. */
- frame_register (next_frame, regnum, optimizedp, lvalp, addrp,
- realnump, bufferp);
+ *optimizedp = 0;
+ *lvalp = lval_register;
+ *addrp = 0;
+ *realnump = regnum;
+ if (bufferp)
+ frame_unwind_register (next_frame, *realnump, bufferp);
}
static const struct frame_unwind alpha_mdebug_frame_unwind = {
const struct frame_unwind *
alpha_mdebug_frame_sniffer (struct frame_info *next_frame)
{
- CORE_ADDR pc = frame_pc_unwind (next_frame);
+ CORE_ADDR pc = frame_unwind_address_in_block (next_frame, NORMAL_FRAME);
struct mdebug_extra_func_info *proc_desc;
/* If this PC does not map to a PDR, then clearly this isn't an
static const struct frame_base *
alpha_mdebug_frame_base_sniffer (struct frame_info *next_frame)
{
- CORE_ADDR pc = frame_pc_unwind (next_frame);
+ CORE_ADDR pc = frame_unwind_address_in_block (next_frame, NORMAL_FRAME);
struct mdebug_extra_func_info *proc_desc;
/* If this PC does not map to a PDR, then clearly this isn't an