diff options
Diffstat (limited to 'gdb/m-i386.h')
| -rw-r--r-- | gdb/m-i386.h | 56 |
1 files changed, 35 insertions, 21 deletions
diff --git a/gdb/m-i386.h b/gdb/m-i386.h index f7d9cd2a40e..68df8680f21 100644 --- a/gdb/m-i386.h +++ b/gdb/m-i386.h @@ -1,27 +1,32 @@ +/* Macro defintions for i386. + Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc. + +This file is part of GDB. + +GDB 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 1, or (at your option) +any later version. + +GDB 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 GDB; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Define the bit, byte, and word ordering of the machine. */ +/* #define BITS_BIG_ENDIAN */ +/* #define BYTES_BIG_ENDIAN */ +/* #define WORDS_BIG_ENDIAN */ + /* * Changes for 80386 by Pace Willisson (pace@prep.ai.mit.edu) * July 1988 */ -/* - Copyright (C) 1986, 1987 Free Software Foundation, Inc. - -GDB is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY. No author or distributor accepts responsibility to anyone -for the consequences of using it or for whether it serves any -particular purpose or works at all, unless he says so in writing. -Refer to the GDB General Public License for full details. - -Everyone is granted permission to copy, modify and redistribute GDB, -but only under the conditions described in the GDB General Public -License. A copy of this license is supposed to have been given to you -along with GDB so you can know your rights and responsibilities. It -should be in a file named COPYING. Among other things, the copyright -notice and this notice must be preserved on all copies. - -In other words, go ahead and share GDB, but don't try to stop -anyone else from sharing it farther. Help stamp out software hoarding! -*/ #ifndef i386 #define i386 @@ -255,15 +260,24 @@ anyone else from sharing it farther. Help stamp out software hoarding! it means the given frame is the outermost one and has no caller. In that case, FRAME_CHAIN_COMBINE is not used. */ -#define FRAME_CHAIN(thisframe) (read_memory_integer ((thisframe)->frame, 4)) +#define FRAME_CHAIN(thisframe) \ + (outside_startup_file ((thisframe)->pc) ? \ + read_memory_integer ((thisframe)->frame, 4) :\ + 0) #define FRAME_CHAIN_VALID(chain, thisframe) \ - (chain != 0 && (FRAME_SAVED_PC (thisframe) >= first_object_file_end)) + (chain != 0 && (outside_startup_file (FRAME_SAVED_PC (thisframe)))) #define FRAME_CHAIN_COMBINE(chain, thisframe) (chain) /* Define other aspects of the stack frame. */ +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \ + FRAMELESS_LOOK_FOR_PROLOGUE(FI, FRAMELESS) + #define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4)) #define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) |