Added support for hosting on an Apollo Series 400 processor (under
System V emulation), and targeted towards an OS/68000 system.
This commit is contained in:
Sean Eric Fagan
parent
87780a059a
commit
36a2f895f8
4 changed files with 405 additions and 0 deletions
153
gdb/a68v-xdep.c
Normal file
153
gdb/a68v-xdep.c
Normal file
|
|
@ -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. */
|
||||
157
gdb/os68k-xdep.c
Normal file
157
gdb/os68k-xdep.c
Normal file
|
|
@ -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. */
|
||||
47
gdb/tm-os68k.h
Normal file
47
gdb/tm-os68k.h
Normal file
|
|
@ -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)
|
||||
48
gdb/xm-apollo68v.h
Normal file
48
gdb/xm-apollo68v.h
Normal file
|
|
@ -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 */
|
||||
|
||||
Loading…
Add table
Reference in a new issue