56eec3c737
but not the others. * symm-tdep.c: Remove exec_file_command. [_SEQUENT_] (ptx_coff_regno_to_gdb, register_addr): New functions. A few miscellaneous cleanups. * symm-nat.c: Renamed from symm-xdep.c. * All symmetry dependent files: Many changes.
148 lines
4.2 KiB
C
148 lines
4.2 KiB
C
/* Definitions to make GDB run on a Sequent Symmetry under
|
||
dynix 3.1 and ptx 1.3, with Weitek 1167 and i387 support.
|
||
Copyright 1986, 1987, 1989, 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. */
|
||
|
||
/* Symmetry version by Jay Vosburgh (fubar@sequent.com) */
|
||
|
||
/* This machine doesn't have the siginterrupt call. */
|
||
#define NO_SIGINTERRUPT
|
||
|
||
#define HAVE_WAIT_STRUCT
|
||
|
||
#ifdef _SEQUENT_
|
||
/* ptx */
|
||
#define HAVE_TERMIO
|
||
#define USG
|
||
#else
|
||
/* dynix */
|
||
|
||
/* Get rid of any system-imposed stack limit if possible. */
|
||
|
||
#define SET_STACK_LIMIT_HUGE
|
||
|
||
#endif
|
||
|
||
/* XPT_DEBUG doesn't work yet under Dynix 3.0.12, but UNDEBUG does... */
|
||
/* #define PTRACE_ATTACH XPT_DEBUG
|
||
#define PTRACE_DETACH XPT_UNDEBUG
|
||
#define ATTACH_DETACH */
|
||
|
||
#define HOST_BYTE_ORDER LITTLE_ENDIAN
|
||
|
||
/* We must fetch all the regs before storing, since we store all at once. */
|
||
|
||
#define CHILD_PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES)
|
||
|
||
/* Interface definitions for kernel debugger KDB. */
|
||
/* This doesn't work... */
|
||
/* Map machine fault codes into signal numbers.
|
||
First subtract 0, divide by 4, then index in a table.
|
||
Faults for which the entry in this table is 0
|
||
are not handled by KDB; the program's own trap handler
|
||
gets to handle then. */
|
||
|
||
#define FAULT_CODE_ORIGIN 0
|
||
#define FAULT_CODE_UNITS 4
|
||
#define FAULT_TABLE \
|
||
{ 0, SIGKILL, SIGSEGV, 0, 0, 0, 0, 0, \
|
||
0, 0, SIGTRAP, SIGTRAP, 0, 0, 0, 0, \
|
||
0, 0, 0, 0, 0, 0, 0, 0}
|
||
|
||
/* Start running with a stack stretching from BEG to END.
|
||
BEG and END should be symbols meaningful to the assembler.
|
||
This is used only for kdb. */
|
||
|
||
#define INIT_STACK(beg, end) \
|
||
{ asm (".globl end"); \
|
||
asm ("movl $ end, %esp"); \
|
||
asm ("movl %ebp, $0"); }
|
||
|
||
/* Push the frame pointer register on the stack. */
|
||
#define PUSH_FRAME_PTR \
|
||
asm ("pushl %ebp");
|
||
|
||
/* Copy the top-of-stack to the frame pointer register. */
|
||
#define POP_FRAME_PTR \
|
||
asm ("movl (%esp), %ebp");
|
||
|
||
/* After KDB is entered by a fault, push all registers
|
||
that GDB thinks about (all NUM_REGS of them),
|
||
so that they appear in order of ascending GDB register number.
|
||
The fault code will be on the stack beyond the last register. */
|
||
|
||
#define PUSH_REGISTERS \
|
||
{ asm("pushad"); }
|
||
/*
|
||
{ asm("pushl %eax"); \
|
||
asm("pushl %edx"); \
|
||
asm("pushl %ecx"); \
|
||
asm("pushl %st(0)"); \
|
||
asm("pushl %st(1)"); \
|
||
asm("pushl %ebx"); \
|
||
asm("pushl %esi"); \
|
||
asm("pushl %edi"); \
|
||
asm("pushl %st(2)"); \
|
||
asm("pushl %st(3)"); \
|
||
asm("pushl %st(4)"); \
|
||
asm("pushl %st(5)"); \
|
||
asm("pushl %st(6)"); \
|
||
asm("pushl %st(7)"); \
|
||
asm("pushl %esp"); \
|
||
asm("pushl %ebp"); \
|
||
asm("pushl %eip"); \
|
||
asm("pushl %eflags"); \
|
||
asm("pushl %fp1"); \
|
||
asm("pushl %fp2"); \
|
||
asm("pushl %fp3"); \
|
||
asm("pushl %fp4"); \
|
||
asm("pushl %fp5"); \
|
||
asm("pushl %fp6"); \
|
||
asm("pushl %fp7"); \
|
||
asm("pushl %fp8"); \
|
||
asm("pushl %fp9"); \
|
||
asm("pushl %fp10"); \
|
||
asm("pushl %fp11"); \
|
||
asm("pushl %fp12"); \
|
||
asm("pushl %fp13"); \
|
||
asm("pushl %fp14"); \
|
||
asm("pushl %fp15"); \
|
||
asm("pushl %fp16"); \
|
||
asm("pushl %fp17"); \
|
||
asm("pushl %fp18"); \
|
||
asm("pushl %fp19"); \
|
||
asm("pushl %fp20"); \
|
||
asm("pushl %fp21"); \
|
||
asm("pushl %fp22"); \
|
||
asm("pushl %fp23"); \
|
||
asm("pushl %fp24"); \
|
||
asm("pushl %fp25"); \
|
||
asm("pushl %fp26"); \
|
||
asm("pushl %fp27"); \
|
||
asm("pushl %fp28"); \
|
||
asm("pushl %fp29"); \
|
||
asm("pushl %fp30"); \
|
||
asm("pushl %fp31"); \
|
||
}
|
||
*/
|
||
/* Assuming the registers (including processor status) have been
|
||
pushed on the stack in order of ascending GDB register number,
|
||
restore them and return to the address in the saved PC register. */
|
||
|
||
#define POP_REGISTERS \
|
||
{ asm ("popad"); }
|