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151 lines
4.9 KiB
C
151 lines
4.9 KiB
C
/* Parameters for HP 9000 model 320 hosting, for GDB, the GNU debugger.
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Copyright 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996
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Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Define this to indicate problems with traps after continuing. */
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#define HP_OS_BUG
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/* Set flag to indicate whether HP's assembler is in use. */
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#ifdef __GNUC__
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#ifdef __HPUX_ASM__
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#define HPUX_ASM
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#endif
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#else /* not GNU C. */
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#define HPUX_ASM
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#endif /* not GNU C. */
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/* Define this for versions of hp-ux older than 6.0 */
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/* #define HPUX_VERSION_5 */
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/* define USG if you are using sys5 /usr/include's */
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#undef USG /* In case it was defined in the Makefile for cplus-dem.c */
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#define USG
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#define HAVE_TERMIOS
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#define REGISTER_ADDR(u_ar0, regno) \
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(unsigned int) \
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(((regno) < PS_REGNUM) \
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? (&((struct exception_stack *) (u_ar0))->e_regs[(regno + R0)]) \
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: (((regno) == PS_REGNUM) \
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? ((int *) (&((struct exception_stack *) (u_ar0))->e_PS)) \
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: (&((struct exception_stack *) (u_ar0))->e_PC)))
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#define FP_REGISTER_ADDR(u, regno) \
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(((char *) \
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(((regno) < FPC_REGNUM) \
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? (&u.u_pcb.pcb_mc68881[FMC68881_R0 + (((regno) - FP0_REGNUM) * 3)]) \
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: (&u.u_pcb.pcb_mc68881[FMC68881_C + ((regno) - FPC_REGNUM)]))) \
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- ((char *) (& u)))
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/* Interface definitions for kernel debugger KDB. */
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/* Map machine fault codes into signal numbers.
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First subtract 0, divide by 4, then index in a table.
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Faults for which the entry in this table is 0
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are not handled by KDB; the program's own trap handler
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gets to handle then. */
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#define FAULT_CODE_ORIGIN 0
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#define FAULT_CODE_UNITS 4
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#define FAULT_TABLE \
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{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \
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0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \
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0, 0, 0, 0, 0, 0, 0, 0, \
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SIGILL }
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#ifndef HPUX_ASM
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/* Start running with a stack stretching from BEG to END.
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BEG and END should be symbols meaningful to the assembler.
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This is used only for kdb. */
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#define INIT_STACK(beg, end) \
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{ asm (".globl end"); \
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asm ("movel $ end, sp"); \
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asm ("clrl fp"); }
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/* Push the frame pointer register on the stack. */
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#define PUSH_FRAME_PTR \
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asm ("movel fp, -(sp)");
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/* Copy the top-of-stack to the frame pointer register. */
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#define POP_FRAME_PTR \
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asm ("movl (sp), fp");
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/* After KDB is entered by a fault, push all registers
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that GDB thinks about (all NUM_REGS of them),
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so that they appear in order of ascending GDB register number.
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The fault code will be on the stack beyond the last register. */
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#define PUSH_REGISTERS \
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{ asm ("clrw -(sp)"); \
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asm ("pea 10(sp)"); \
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asm ("movem $ 0xfffe,-(sp)"); }
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/* Assuming the registers (including processor status) have been
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pushed on the stack in order of ascending GDB register number,
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restore them and return to the address in the saved PC register. */
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#define POP_REGISTERS \
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{ asm ("subil $8,28(sp)"); \
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asm ("movem (sp),$ 0xffff"); \
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asm ("rte"); }
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#else /* HPUX_ASM */
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/* Start running with a stack stretching from BEG to END.
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BEG and END should be symbols meaningful to the assembler.
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This is used only for kdb. */
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#define INIT_STACK(beg, end) \
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{ asm ("global end"); \
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asm ("mov.l &end,%sp"); \
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asm ("clr.l %a6"); }
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/* Push the frame pointer register on the stack. */
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#define PUSH_FRAME_PTR \
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asm ("mov.l %fp,-(%sp)");
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/* Copy the top-of-stack to the frame pointer register. */
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#define POP_FRAME_PTR \
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asm ("mov.l (%sp),%fp");
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/* After KDB is entered by a fault, push all registers
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that GDB thinks about (all NUM_REGS of them),
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so that they appear in order of ascending GDB register number.
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The fault code will be on the stack beyond the last register. */
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#define PUSH_REGISTERS \
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{ asm ("clr.w -(%sp)"); \
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asm ("pea 10(%sp)"); \
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asm ("movm.l &0xfffe,-(%sp)"); }
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/* Assuming the registers (including processor status) have been
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pushed on the stack in order of ascending GDB register number,
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restore them and return to the address in the saved PC register. */
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#define POP_REGISTERS \
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{ asm ("subi.l &8,28(%sp)"); \
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asm ("mov.m (%sp),&0xffff"); \
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asm ("rte"); }
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#endif /* HPUX_ASM */
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