mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-15 04:31:49 +08:00
174 lines
5.5 KiB
C
174 lines
5.5 KiB
C
/* Parameters for execution on an HP 9000 model 320, for GDB, the GNU debugger.
|
||
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 HOST_BYTE_ORDER BIG_ENDIAN
|
||
|
||
/* Define this to indicate problems with traps after continuing. */
|
||
#define HP_OS_BUG
|
||
|
||
/* fetch_inferior_registers is in hp300hpux-dep.c. */
|
||
#define FETCH_INFERIOR_REGISTERS
|
||
|
||
/* Set flag to indicate whether HP's assembler is in use. */
|
||
#ifdef __GNUC__
|
||
#ifdef __HPUX_ASM__
|
||
#define HPUX_ASM
|
||
#endif
|
||
#else /* not GNU C. */
|
||
#define HPUX_ASM
|
||
#endif /* not GNU C. */
|
||
|
||
/* Define this for versions of hp-ux older than 6.0 */
|
||
/* #define HPUX_VERSION_5 */
|
||
|
||
/* define USG if you are using sys5 /usr/include's */
|
||
#undef USG /* In case it was defined in the Makefile for cplus-dem.c */
|
||
#define USG
|
||
|
||
#define HAVE_TERMIO
|
||
|
||
/* Get rid of any system-imposed stack limit if possible. */
|
||
/* The hp9k320.h doesn't seem to have this feature. */
|
||
/* #define SET_STACK_LIMIT_HUGE */
|
||
/* So we'll just have to avoid big alloca's. */
|
||
#define BROKEN_LARGE_ALLOCA
|
||
|
||
/* This is the amount to subtract from u.u_ar0
|
||
to get the offset in the core file of the register values. */
|
||
|
||
#ifdef HPUX_VERSION_5
|
||
#define KERNEL_U_ADDR 0x00979000
|
||
#else /* Not HPUX version 5. */
|
||
/* Use HPUX-style nlist() to get kernel_u_addr. */
|
||
#define KERNEL_U_ADDR_HPUX
|
||
#endif /* Not HPUX version 5. */
|
||
|
||
#define REGISTER_ADDR(u_ar0, regno) \
|
||
(unsigned int) \
|
||
(((regno) < PS_REGNUM) \
|
||
? (&((struct exception_stack *) (u_ar0))->e_regs[(regno + R0)]) \
|
||
: (((regno) == PS_REGNUM) \
|
||
? ((int *) (&((struct exception_stack *) (u_ar0))->e_PS)) \
|
||
: (&((struct exception_stack *) (u_ar0))->e_PC)))
|
||
|
||
#define FP_REGISTER_ADDR(u, regno) \
|
||
(((char *) \
|
||
(((regno) < FPC_REGNUM) \
|
||
? (&u.u_pcb.pcb_mc68881[FMC68881_R0 + (((regno) - FP0_REGNUM) * 3)]) \
|
||
: (&u.u_pcb.pcb_mc68881[FMC68881_C + ((regno) - FPC_REGNUM)]))) \
|
||
- ((char *) (& u)))
|
||
|
||
/* Do implement the attach and detach commands. */
|
||
|
||
#define ATTACH_DETACH
|
||
|
||
/* Interface definitions for kernel debugger KDB. */
|
||
|
||
/* 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, 0, 0, 0, SIGTRAP, 0, 0, 0, \
|
||
0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \
|
||
0, 0, 0, 0, 0, 0, 0, 0, \
|
||
SIGILL }
|
||
|
||
#ifndef HPUX_ASM
|
||
|
||
/* 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 ("movel $ end, sp"); \
|
||
asm ("clrl fp"); }
|
||
|
||
/* Push the frame pointer register on the stack. */
|
||
#define PUSH_FRAME_PTR \
|
||
asm ("movel fp, -(sp)");
|
||
|
||
/* Copy the top-of-stack to the frame pointer register. */
|
||
#define POP_FRAME_PTR \
|
||
asm ("movl (sp), fp");
|
||
|
||
/* 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 ("clrw -(sp)"); \
|
||
asm ("pea 10(sp)"); \
|
||
asm ("movem $ 0xfffe,-(sp)"); }
|
||
|
||
/* 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 ("subil $8,28(sp)"); \
|
||
asm ("movem (sp),$ 0xffff"); \
|
||
asm ("rte"); }
|
||
|
||
#else /* HPUX_ASM */
|
||
|
||
/* 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 ("global end"); \
|
||
asm ("mov.l &end,%sp"); \
|
||
asm ("clr.l %a6"); }
|
||
|
||
/* Push the frame pointer register on the stack. */
|
||
#define PUSH_FRAME_PTR \
|
||
asm ("mov.l %fp,-(%sp)");
|
||
|
||
/* Copy the top-of-stack to the frame pointer register. */
|
||
#define POP_FRAME_PTR \
|
||
asm ("mov.l (%sp),%fp");
|
||
|
||
/* 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 ("clr.w -(%sp)"); \
|
||
asm ("pea 10(%sp)"); \
|
||
asm ("movm.l &0xfffe,-(%sp)"); }
|
||
|
||
/* 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 ("subi.l &8,28(%sp)"); \
|
||
asm ("mov.m (%sp),&0xffff"); \
|
||
asm ("rte"); }
|
||
|
||
#endif /* HPUX_ASM */
|