mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-11-26 13:30:30 +00:00
b1eaba9ac4
(TARDIRS): Add gdbserver. * exec.c (print_section_info): Print entry point. * i386lynx-nat.c (i386lynx_saved_pc_after_call): Move into i386lynx-tdep.c. Add core file support. * i386lynx-tdep.c: New module for Lynx/386 target dependant code. * maint.c: Add `maint info sections' command to print info about all sections that BFD knows about for exec and core files. * sparc-tdep.c (sparc_push_dummy_frame): Update stack pointer before putting frame on the stack. Consolidate writes to reduce traffic for remote debugging. * config/i386/i386lynx.mh (NATDEPFILES): Remove exec.o. * config/i386/i386lynx.mt (TDEPFILES): Add exec.o, i386lynx-tdep.o. * config/i386/nm-i386lynx.h: Add target_pid_to_str(). * config/i386/tm-i386lynx.h: Remove target_pid_to_str(). * sparclite/Makefile.in: Add deps to keep Sun make happy.
44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
/* Target-dependent code for Lynx running on i386's, for GDB.
|
|
Copyright 1988, 1989, 1991, 1992, 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|
|
|
#include "defs.h"
|
|
#include "inferior.h"
|
|
#include "target.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 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);
|
|
}
|