diff options
Diffstat (limited to 'gdb/config/m68k/xm-hp300hpux.h')
| -rw-r--r-- | gdb/config/m68k/xm-hp300hpux.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/gdb/config/m68k/xm-hp300hpux.h b/gdb/config/m68k/xm-hp300hpux.h new file mode 100644 index 00000000000..b6d75d611e4 --- /dev/null +++ b/gdb/config/m68k/xm-hp300hpux.h @@ -0,0 +1,150 @@ +/* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +/* 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 + +#define HAVE_TERMIOS + +#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 */ |