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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/i386ly-tdep.c
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
Diffstat (limited to 'gdb/i386ly-tdep.c')
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diff --git a/gdb/i386ly-tdep.c b/gdb/i386ly-tdep.c
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-/* Target-dependent code for Intel 386 running LynxOS.
- Copyright 1993 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
-(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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "defs.h"
-#include "inferior.h"
-#include "target.h"
-#include "gdbcore.h"
-
-/* Return the PC of the caller from the call frame. Assumes the subr prologue
- has already been executed, and the frame pointer setup. If this is the
- outermost frame, we check to see if we are in a system call by examining the
- previous instruction. If so, then the return PC is actually at SP+4 because
- system calls use a different calling sequence. */
-
-CORE_ADDR
-i386lynx_saved_pc_after_call (frame)
- struct frame_info *frame;
-{
- char opcode[7];
- static const unsigned char call_inst[] = {0x9a, 0, 0, 0, 0, 8, 0}; /* lcall 0x8,0x0 */
-
- read_memory (frame->pc - 7, opcode, 7);
- if (memcmp (opcode, call_inst, 7) == 0)
- return read_memory_integer (read_register (SP_REGNUM) + 4, 4);
-
- return read_memory_integer (read_register (SP_REGNUM), 4);
-}