From: Ulrich Weigand Date: Fri, 12 Oct 2007 16:13:20 +0000 (+0000) Subject: * alpha-mdebug-tdep.c: Include "gdb_string.h". X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=62f6180c256958f8bae44944f3db2b13f897631b;p=binutils-gdb.git * 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. --- diff --git a/gdb/ChangeLog b/gdb/ChangeLog index b7fdcd59774..ed2abe59926 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,16 @@ +2007-10-12 Ulrich Weigand + + * 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 * breakpoint.c (breakpoint_sals_to_pc): Do not check for diff --git a/gdb/Makefile.in b/gdb/Makefile.in index 30905587e80..5a51f4c6b4a 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -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) \ diff --git a/gdb/alpha-mdebug-tdep.c b/gdb/alpha-mdebug-tdep.c index ab2fb91abde..9c82ad16eba 100644 --- a/gdb/alpha-mdebug-tdep.c +++ b/gdb/alpha-mdebug-tdep.c @@ -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) diff --git a/gdb/config/alpha/alpha-linux.mt b/gdb/config/alpha/alpha-linux.mt index 3fbee728690..096c6c325c1 100644 --- a/gdb/config/alpha/alpha-linux.mt +++ b/gdb/config/alpha/alpha-linux.mt @@ -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 diff --git a/gdb/config/alpha/alpha-osf1.mt b/gdb/config/alpha/alpha-osf1.mt index d8e227da6bf..a1fe56dc7df 100644 --- a/gdb/config/alpha/alpha-osf1.mt +++ b/gdb/config/alpha/alpha-osf1.mt @@ -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 diff --git a/gdb/config/alpha/alpha.mt b/gdb/config/alpha/alpha.mt index 703f3fb5e0b..117f2128db9 100644 --- a/gdb/config/alpha/alpha.mt +++ b/gdb/config/alpha/alpha.mt @@ -1,2 +1 @@ TDEPFILES= alpha-tdep.o -DEPRECATED_TM_FILE= tm-alpha.h diff --git a/gdb/config/alpha/fbsd.mt b/gdb/config/alpha/fbsd.mt index 5b8a2723c34..a1132b2e25c 100644 --- a/gdb/config/alpha/fbsd.mt +++ b/gdb/config/alpha/fbsd.mt @@ -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 diff --git a/gdb/config/alpha/tm-alpha.h b/gdb/config/alpha/tm-alpha.h deleted file mode 100644 index d764e007619..00000000000 --- a/gdb/config/alpha/tm-alpha.h +++ /dev/null @@ -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 . */ - -#ifndef TM_ALPHA_H -#define TM_ALPHA_H - -#define RA_REGNUM 26 /* XXXJRT needed by mdebugread.c */ - -#endif /* TM_ALPHA_H */ diff --git a/gdb/mdebugread.c b/gdb/mdebugread.c index 897c596cfec..c9cc2600398 100644 --- a/gdb/mdebugread.c +++ b/gdb/mdebugread.c @@ -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