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* alpha-mdebug-tdep.c: Include "gdb_string.h". 

(find_proc_desc): Add fix-up code for setjmp procedure descriptor.
	* mdebugread.c (parse_procedure): Remove setjmp fix-up code.
	* Makefile.in (alpha-mdebug-tdep.o): Update dependencies.

	* config/alpha/alpha.mt (DEPRECATED_TM_FILE): Remove.
	* config/alpha/alpha-linux.mt (DEPRECATED_TM_FILE): Remove.
	* config/alpha/alpha-osf1.mt (DEPRECATED_TM_FILE): Remove.
	* config/alpha/fbsd.mt (DEPRECATED_TM_FILE): Remove.
	* config/alpha/tm-alpha.h: Remove file.
This commit is contained in:
Ulrich Weigand 2007-10-12 16:13:20 +00:00
parent ee53e8729a
commit 62f6180c25
9 changed files with 28 additions and 48 deletions
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13
gdb/ChangeLog
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@ -1,3 +1,16 @@
2007-10-12 Ulrich Weigand <uweigand@de.ibm.com>
* alpha-mdebug-tdep.c: Include "gdb_string.h".
(find_proc_desc): Add fix-up code for setjmp procedure descriptor.
* mdebugread.c (parse_procedure): Remove setjmp fix-up code.
* Makefile.in (alpha-mdebug-tdep.o): Update dependencies.
* config/alpha/alpha.mt (DEPRECATED_TM_FILE): Remove.
* config/alpha/alpha-linux.mt (DEPRECATED_TM_FILE): Remove.
* config/alpha/alpha-osf1.mt (DEPRECATED_TM_FILE): Remove.
* config/alpha/fbsd.mt (DEPRECATED_TM_FILE): Remove.
* config/alpha/tm-alpha.h: Remove file.
2007-10-12 Ulrich Weigand <uweigand@de.ibm.com>
* breakpoint.c (breakpoint_sals_to_pc): Do not check for

3
gdb/Makefile.in
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@ -1735,7 +1735,8 @@ alpha-linux-tdep.o: alpha-linux-tdep.c $(defs_h) $(frame_h) $(gdb_assert_h) \
$(regcache_h) $(alpha_tdep_h)
alpha-mdebug-tdep.o: alpha-mdebug-tdep.c $(defs_h) $(frame_h) \
$(frame_unwind_h) $(frame_base_h) $(symtab_h) $(gdbcore_h) \
$(block_h) $(gdb_assert_h) $(alpha_tdep_h) $(mdebugread_h)
$(block_h) $(gdb_assert_h) $(gdb_string_h) $(alpha_tdep_h) \
$(mdebugread_h)
alpha-nat.o: alpha-nat.c $(defs_h) $(gdb_string_h) $(inferior_h) \
$(gdbcore_h) $(target_h) $(regcache_h) $(alpha_tdep_h) $(gregset_h)
alphanbsd-tdep.o: alphanbsd-tdep.c $(defs_h) $(frame_h) $(gdbcore_h) \

14
gdb/alpha-mdebug-tdep.c
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@ -25,6 +25,7 @@
#include "gdbcore.h"
#include "block.h"
#include "gdb_assert.h"
#include "gdb_string.h"
#include "alpha-tdep.h"
#include "mdebugread.h"
@ -95,11 +96,12 @@ find_proc_desc (CORE_ADDR pc)
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
@ -114,6 +116,16 @@ find_proc_desc (CORE_ADDR pc)
{
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)

1
gdb/config/alpha/alpha-linux.mt
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@ -1,4 +1,3 @@
# Target: Little-endian Alpha
TDEPFILES= alpha-tdep.o alpha-mdebug-tdep.o alpha-linux-tdep.o \
solib.o solib-svr4.o solib-legacy.o
DEPRECATED_TM_FILE= tm-alpha.h

1
gdb/config/alpha/alpha-osf1.mt
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@ -1,3 +1,2 @@
# Target: Little-endian Alpha
TDEPFILES= alpha-tdep.o alpha-osf1-tdep.o alpha-mdebug-tdep.o
DEPRECATED_TM_FILE= tm-alpha.h

1
gdb/config/alpha/alpha.mt
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@ -1,2 +1 @@
TDEPFILES= alpha-tdep.o
DEPRECATED_TM_FILE= tm-alpha.h

1
gdb/config/alpha/fbsd.mt
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@ -1,4 +1,3 @@
# Target: FreeBSD/alpha
TDEPFILES= alpha-tdep.o alpha-mdebug-tdep.o alphabsd-tdep.o alphafbsd-tdep.o \
corelow.o solib.o solib-svr4.o
DEPRECATED_TM_FILE= tm-alpha.h

27
gdb/config/alpha/tm-alpha.h
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@ -1,27 +0,0 @@
/* Definitions to make GDB run on an Alpha box under OSF1. This is
also used by the Alpha GNU/Linux target.
Copyright 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002, 2004, 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 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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, see <http://www.gnu.org/licenses/>. */
#ifndef TM_ALPHA_H
#define TM_ALPHA_H
#define RA_REGNUM 26 /* XXXJRT needed by mdebugread.c */
#endif /* TM_ALPHA_H */

15
gdb/mdebugread.c
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@ -1942,21 +1942,6 @@ parse_procedure (PDR *pr, struct symtab *search_symtab,
To work around these problems, we replace e->pdr.adr with
the start address of the function. */
e->pdr.adr = BLOCK_START (b);
/* Correct incorrect setjmp procedure descriptor from the library
to make backtrace through setjmp work. */
if (e->pdr.pcreg == 0
&& strcmp (sh_name, "setjmp") == 0)
{
complaint (&symfile_complaints, _("fixing bad setjmp PDR from libc"));
#ifdef RA_REGNUM
e->pdr.pcreg = RA_REGNUM;
#else
e->pdr.pcreg = 0;
#endif
e->pdr.regmask = 0x80000000;
e->pdr.regoffset = -4;
}
}
/* It would be reasonable that functions that have been compiled