diff options
| -rw-r--r-- | gdb/a68v-xdep.c | 153 | ||||
| -rw-r--r-- | gdb/os68k-xdep.c | 157 | ||||
| -rw-r--r-- | gdb/tm-os68k.h | 47 | ||||
| -rw-r--r-- | gdb/xm-apollo68v.h | 48 |
4 files changed, 405 insertions, 0 deletions
diff --git a/gdb/a68v-xdep.c b/gdb/a68v-xdep.c new file mode 100644 index 0000000..e9cf597 --- /dev/null +++ b/gdb/a68v-xdep.c @@ -0,0 +1,153 @@ +/* Host-dependent code for Apollo-68ksfor GDB, the GNU debugger. + Copyright 1986, 1987, 1989, 1991 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. */ + +#include <stdio.h> +#include "defs.h" +#include "inferior.h" +#include "gdbcore.h" + +extern int errno; + +#if defined (GDB_TARGET_IS_SUN3) +/* All of this stuff is only relevant if both host and target are sun3. */ +void +fetch_inferior_registers () +{ + struct regs inferior_registers; +#ifdef FP0_REGNUM + struct fp_status inferior_fp_registers; +#endif + extern char registers[]; + + registers_fetched (); + + ptrace (PTRACE_GETREGS, inferior_pid, &inferior_registers); +#ifdef FP0_REGNUM + ptrace (PTRACE_GETFPREGS, inferior_pid, &inferior_fp_registers); +#endif + + bcopy (&inferior_registers, registers, 16 * 4); +#ifdef FP0_REGNUM + bcopy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)], + sizeof inferior_fp_registers.fps_regs); +#endif + *(int *)®isters[REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps; + *(int *)®isters[REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc; +#ifdef FP0_REGNUM + bcopy (&inferior_fp_registers.fps_control, + ®isters[REGISTER_BYTE (FPC_REGNUM)], + sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs); +#endif +} + +/* Store our register values back into the inferior. + If REGNO is -1, do this for all registers. + Otherwise, REGNO specifies which register (so we can save time). */ + +store_inferior_registers (regno) + int regno; +{ + struct regs inferior_registers; +#ifdef FP0_REGNUM + struct fp_status inferior_fp_registers; +#endif + extern char registers[]; + + bcopy (registers, &inferior_registers, 16 * 4); +#ifdef FP0_REGNUM + bcopy (®isters[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers, + sizeof inferior_fp_registers.fps_regs); +#endif + inferior_registers.r_ps = *(int *)®isters[REGISTER_BYTE (PS_REGNUM)]; + inferior_registers.r_pc = *(int *)®isters[REGISTER_BYTE (PC_REGNUM)]; + +#ifdef FP0_REGNUM + bcopy (®isters[REGISTER_BYTE (FPC_REGNUM)], + &inferior_fp_registers.fps_control, + sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs); +#endif + + ptrace (PTRACE_SETREGS, inferior_pid, &inferior_registers); +#if FP0_REGNUM + ptrace (PTRACE_SETFPREGS, inferior_pid, &inferior_fp_registers); +#endif +} + +/* Machine-dependent code for pulling registers out of a Sun-3 core file. */ + +void +fetch_core_registers (core_reg_sect, core_reg_size, which) + char *core_reg_sect; + unsigned core_reg_size; + int which; +{ + extern char registers[]; + struct regs *regs = (struct regs *) core_reg_sect; + + if (which == 0) { + if (core_reg_size < sizeof (struct regs)) + error ("Can't find registers in core file"); + + bcopy ((char *)regs, registers, 16 * 4); + supply_register (PS_REGNUM, ®s->r_ps); + supply_register (PC_REGNUM, ®s->r_pc); + + } else if (which == 2) { + +#define fpustruct ((struct fpu *) core_reg_sect) + + if (core_reg_size >= sizeof (struct fpu)) + { +#ifdef FP0_REGNUM + bcopy (fpustruct->f_fpstatus.fps_regs, + ®isters[REGISTER_BYTE (FP0_REGNUM)], + sizeof fpustruct->f_fpstatus.fps_regs); + bcopy (&fpustruct->f_fpstatus.fps_control, + ®isters[REGISTER_BYTE (FPC_REGNUM)], + sizeof fpustruct->f_fpstatus - + sizeof fpustruct->f_fpstatus.fps_regs); +#endif + } + else + fprintf (stderr, "Couldn't read float regs from core file\n"); + } +} +#else /* Not sun3 target. */ +/* These functions shouldn't be called when we're cross-debugging. */ + +void +fetch_inferior_registers () +{ +} + +/* ARGSUSED */ +store_inferior_registers (regno) + int regno; +{ +} + +/* ARGSUSED */ +void +fetch_core_registers (core_reg_sect, core_reg_size, which) + char *core_reg_sect; + unsigned core_reg_size; + int which; +{ +} +#endif /* Not sun3 target. */ diff --git a/gdb/os68k-xdep.c b/gdb/os68k-xdep.c new file mode 100644 index 0000000..295dff8 --- /dev/null +++ b/gdb/os68k-xdep.c @@ -0,0 +1,157 @@ +/* Host-dependent code for Sun-3 for GDB, the GNU debugger. + Copyright 1986, 1987, 1989, 1991 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. */ + +#include <stdio.h> +#include "defs.h" +#include "inferior.h" +#include "gdbcore.h" + +#include <sys/ptrace.h> +#define KERNEL /* To get floating point reg definitions */ +#include <machine/reg.h> + +extern int errno; + +#if defined (GDB_TARGET_IS_SUN3) +/* All of this stuff is only relevant if both host and target are sun3. */ +void +fetch_inferior_registers () +{ + struct regs inferior_registers; +#ifdef FP0_REGNUM + struct fp_status inferior_fp_registers; +#endif + extern char registers[]; + + registers_fetched (); + + ptrace (PTRACE_GETREGS, inferior_pid, &inferior_registers); +#ifdef FP0_REGNUM + ptrace (PTRACE_GETFPREGS, inferior_pid, &inferior_fp_registers); +#endif + + bcopy (&inferior_registers, registers, 16 * 4); +#ifdef FP0_REGNUM + bcopy (&inferior_fp_registers, ®isters[REGISTER_BYTE (FP0_REGNUM)], + sizeof inferior_fp_registers.fps_regs); +#endif + *(int *)®isters[REGISTER_BYTE (PS_REGNUM)] = inferior_registers.r_ps; + *(int *)®isters[REGISTER_BYTE (PC_REGNUM)] = inferior_registers.r_pc; +#ifdef FP0_REGNUM + bcopy (&inferior_fp_registers.fps_control, + ®isters[REGISTER_BYTE (FPC_REGNUM)], + sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs); +#endif +} + +/* Store our register values back into the inferior. + If REGNO is -1, do this for all registers. + Otherwise, REGNO specifies which register (so we can save time). */ + +store_inferior_registers (regno) + int regno; +{ + struct regs inferior_registers; +#ifdef FP0_REGNUM + struct fp_status inferior_fp_registers; +#endif + extern char registers[]; + + bcopy (registers, &inferior_registers, 16 * 4); +#ifdef FP0_REGNUM + bcopy (®isters[REGISTER_BYTE (FP0_REGNUM)], &inferior_fp_registers, + sizeof inferior_fp_registers.fps_regs); +#endif + inferior_registers.r_ps = *(int *)®isters[REGISTER_BYTE (PS_REGNUM)]; + inferior_registers.r_pc = *(int *)®isters[REGISTER_BYTE (PC_REGNUM)]; + +#ifdef FP0_REGNUM + bcopy (®isters[REGISTER_BYTE (FPC_REGNUM)], + &inferior_fp_registers.fps_control, + sizeof inferior_fp_registers - sizeof inferior_fp_registers.fps_regs); +#endif + + ptrace (PTRACE_SETREGS, inferior_pid, &inferior_registers); +#if FP0_REGNUM + ptrace (PTRACE_SETFPREGS, inferior_pid, &inferior_fp_registers); +#endif +} + +/* Machine-dependent code for pulling registers out of a Sun-3 core file. */ + +void +fetch_core_registers (core_reg_sect, core_reg_size, which) + char *core_reg_sect; + unsigned core_reg_size; + int which; +{ + extern char registers[]; + struct regs *regs = (struct regs *) core_reg_sect; + + if (which == 0) { + if (core_reg_size < sizeof (struct regs)) + error ("Can't find registers in core file"); + + bcopy ((char *)regs, registers, 16 * 4); + supply_register (PS_REGNUM, ®s->r_ps); + supply_register (PC_REGNUM, ®s->r_pc); + + } else if (which == 2) { + +#define fpustruct ((struct fpu *) core_reg_sect) + + if (core_reg_size >= sizeof (struct fpu)) + { +#ifdef FP0_REGNUM + bcopy (fpustruct->f_fpstatus.fps_regs, + ®isters[REGISTER_BYTE (FP0_REGNUM)], + sizeof fpustruct->f_fpstatus.fps_regs); + bcopy (&fpustruct->f_fpstatus.fps_control, + ®isters[REGISTER_BYTE (FPC_REGNUM)], + sizeof fpustruct->f_fpstatus - + sizeof fpustruct->f_fpstatus.fps_regs); +#endif + } + else + fprintf (stderr, "Couldn't read float regs from core file\n"); + } +} +#else /* Not sun3 target. */ +/* These functions shouldn't be called when we're cross-debugging. */ + +void +fetch_inferior_registers () +{ +} + +/* ARGSUSED */ +store_inferior_registers (regno) + int regno; +{ +} + +/* ARGSUSED */ +void +fetch_core_registers (core_reg_sect, core_reg_size, which) + char *core_reg_sect; + unsigned core_reg_size; + int which; +{ +} +#endif /* Not sun3 target. */ diff --git a/gdb/tm-os68k.h b/gdb/tm-os68k.h new file mode 100644 index 0000000..1c8ca74 --- /dev/null +++ b/gdb/tm-os68k.h @@ -0,0 +1,47 @@ +/* Parameters for execution on VxWorks 68k's, for GDB, the GNU debugger. + Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc. + Contributed by Cygnus Support. + +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 GDBINIT_FILENAME ".os68gdbinit" + +#define DEFAULT_PROMPT "(os68k) " + +#include "tm-68k.h" + +/* We have more complex, useful breakpoints on the target. */ +#undef DECR_PC_AFTER_BREAK +#define DECR_PC_AFTER_BREAK 0 + +/* We are guaranteed to have a zero frame pointer at bottom of stack, too. */ +#undef FRAME_CHAIN +#undef FRAME_CHAIN_VALID + +/* Takes the current frame-struct pointer and returns the chain-pointer + to get to the calling frame. + + If our current frame pointer is zero, we're at the top; else read out + the saved FP from memory pointed to by the current FP. */ + +#define FRAME_CHAIN(thisframe) ((thisframe)->frame? read_memory_integer ((thisframe)->frame, 4): 0) + +/* If the chain pointer is zero (either because the saved value fetched + by FRAME_CHAIN was zero, or because the current FP was zero so FRAME_CHAIN + never fetched anything), we are at the top of the stack. */ + +#define FRAME_CHAIN_VALID(chain, thisframe) (chain != 0) diff --git a/gdb/xm-apollo68v.h b/gdb/xm-apollo68v.h new file mode 100644 index 0000000..49068e4 --- /dev/null +++ b/gdb/xm-apollo68v.h @@ -0,0 +1,48 @@ +/* Macro defintions for an Apollo. + Copyright (C) 1986, 1987, 1989 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. */ + +/* + * Changes for 80386 by Pace Willisson (pace@prep.ai.mit.edu) + * July 1988 + */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +/* I'm running gdb 3.4 under 386/ix 2.0.2, which is a derivative of AT&T's +Sys V/386 3.2. + +On some machines, gdb crashes when it's starting up while calling the +vendor's termio tgetent() routine. It always works when run under +itself (actually, under 3.2, it's not an infinitely recursive bug.) +After some poking around, it appears that depending on the environment +size, or whether you're running YP, or the phase of the moon or something, +the stack is not always long-aligned when main() is called, and tgetent() +takes strong offense at that. On some machines this bug never appears, but +on those where it does, it occurs quite reliably. */ +#define ALIGN_STACK_ON_STARTUP + +/* define USG if you are using sys5 /usr/include's */ +#define USG + +#define HAVE_TERMIO + +#define FETCH_INFERIOR_REGISTERS + +#define SYS_SIGLIST_MISSING 0 /* we have it on the apollo */ + |