-/* Macro definitions for GDB on an Intel i386 running SVR4.
- Copyright (C) 1991, Free Software Foundation, Inc.
- Written by Fred Fish at Cygnus Support (fnf@cygint)
-
-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
-(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, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/* Use the alternate method of determining valid frame chains. */
-
-#define FRAME_CHAIN_VALID_ALTERNATE
-
-/* number of traps that happen between exec'ing the shell
- * to run an inferior, and when we finally get to
- * the inferior code. This is 2 on most implementations.
- */
-#define START_INFERIOR_TRAPS_EXPECTED 2
-
-/* Pick up most of what we need from the generic i386 target include file. */
-
-#include "tm-i386v.h"
-
-/* Pick up more stuff from the generic SVR4 host include file. */
-
-#include "tm-sysv4.h"
-
-/* We can't tell how many args there are
- now that the C compiler delays popping them. */
-
-#undef FRAME_NUM_ARGS
-#define FRAME_NUM_ARGS(val,fi) (val = -1)
-
-/* Offsets (in target ints) into jmp_buf. Not defined in any system header
- file, so we have to step through setjmp/longjmp with a debugger and figure
- them out. Note that <setjmp> defines _JBLEN as 10, which is the default
- if no specific machine is selected, even though we only use 6 slots. */
-
-#define JB_ELEMENT_SIZE sizeof(int) /* jmp_buf[_JBLEN] is array of ints */
-
-#define JB_EBX 0
-#define JB_ESI 1
-#define JB_EDI 2
-#define JB_EBP 3
-#define JB_ESP 4
-#define JB_EDX 5
-
-#define JB_PC JB_EDX /* Setjmp()'s return PC saved in EDX */
-
-/* Figure out where the longjmp will land. Slurp the args out of the stack.
- We expect the first arg to be a pointer to the jmp_buf structure from which
- we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR.
- This routine returns true on success */
-
-extern int
-get_longjmp_target PARAMS ((CORE_ADDR *));
-
-#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
projects / deliverable / binutils-gdb.git / blobdiff