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- /* Parameters for HP 9000 model 320 hosting, for GDB, the GNU debugger.
- Copyright (C) 1986, 1987, 1989, 1992 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. */
-
- #define HOST_BYTE_ORDER BIG_ENDIAN
-
- /* HPUX 8.0, in its infinite wisdom, has chosen to prototype ptrace
- with five arguments, so programs written for normal ptrace lose.
-
- Idiots.
-
- (They should have just made it varadic). */
- #define FIVE_ARG_PTRACE
-
- /* Define this to indicate problems with traps after continuing. */
- #define HP_OS_BUG
-
- /* 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
-
- /* The mem functions are in <string.h>. */
- #undef MEM_FNS_DECLARED
- #define MEM_FNS_DECLARED 1
-
- #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
-
- #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)))
-
- /* 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 */
-