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authorK. Richard Pixley <rich@cygnus>1992-12-08 04:59:31 +0000
committerK. Richard Pixley <rich@cygnus>1992-12-08 04:59:31 +0000
commit43bbd567f2d928b2628e508ee9c75a3920e26b4d (patch)
tree21f1ab246e1a3f963e73c3662bc1d44f591349a1 /gdb/mach386-xdep.c
parenta362ee23634a2f9ce9642eab09592e8ff6ae509b (diff)
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recording file death
Diffstat (limited to 'gdb/mach386-xdep.c')
-rw-r--r--gdb/mach386-xdep.c164
1 files changed, 0 insertions, 164 deletions
diff --git a/gdb/mach386-xdep.c b/gdb/mach386-xdep.c
index 8f7ca16..e69de29 100644
--- a/gdb/mach386-xdep.c
+++ b/gdb/mach386-xdep.c
@@ -1,164 +0,0 @@
-/* Machine-dependent code for host Mach 386's for GDB, the GNU debugger.
- Copyright (C) 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 "defs.h"
-#include "frame.h"
-#include "inferior.h"
-#include "gdbcore.h"
-
-#if defined (GDB_TARGET_IS_MACH386)
-
-#include <sys/param.h>
-#include <sys/dir.h>
-#include <sys/user.h>
-#include <signal.h>
-#include <sys/ioctl.h>
-#include <fcntl.h>
-
-#include <sys/ptrace.h>
-#include <machine/reg.h>
-
-#include <sys/file.h>
-#include <sys/stat.h>
-#include <sys/core.h>
-
-
-void
-fetch_inferior_registers (regno)
- int regno; /* Original value discarded */
-{
- struct regs inferior_registers;
- struct fp_state inferior_fp_registers;
- extern char registers[];
-
- registers_fetched ();
-
- ptrace (PTRACE_GETREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_registers);
- ptrace (PTRACE_GETFPREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_fp_registers);
-
- bcopy (&inferior_registers, registers, sizeof inferior_registers);
-
- bcopy (inferior_fp_registers.f_st,&registers[REGISTER_BYTE (FP0_REGNUM)],
- sizeof inferior_fp_registers.f_st);
- bcopy (&inferior_fp_registers.f_ctrl,
- &registers[REGISTER_BYTE (FPC_REGNUM)],
- sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);
-}
-
-/* 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). */
-
-void
-store_inferior_registers (regno)
- int regno;
-{
- struct regs inferior_registers;
- struct fp_state inferior_fp_registers;
- extern char registers[];
-
- bcopy (registers, &inferior_registers, 20 * 4);
-
- bcopy (&registers[REGISTER_BYTE (FP0_REGNUM)],inferior_fp_registers.f_st,
- sizeof inferior_fp_registers.f_st);
- bcopy (&registers[REGISTER_BYTE (FPC_REGNUM)],
- &inferior_fp_registers.f_ctrl,
- sizeof inferior_fp_registers - sizeof inferior_fp_registers.f_st);
-
-#ifdef PTRACE_FP_BUG
- if (regno == FP_REGNUM || regno == -1)
- /* Storing the frame pointer requires a gross hack, in which an
- instruction that moves eax into ebp gets single-stepped. */
- {
- int stack = inferior_registers.r_reg[SP_REGNUM];
- int stuff = ptrace (PTRACE_PEEKDATA, inferior_pid,
- (PTRACE_ARG3_TYPE) stack);
- int reg = inferior_registers.r_reg[EAX];
- inferior_registers.r_reg[EAX] =
- inferior_registers.r_reg[FP_REGNUM];
- ptrace (PTRACE_SETREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_registers);
- ptrace (PTRACE_POKEDATA, inferior_pid, (PTRACE_ARG3_TYPE) stack, 0xc589);
- ptrace (PTRACE_SINGLESTEP, inferior_pid, (PTRACE_ARG3_TYPE) stack, 0);
- wait (0);
- ptrace (PTRACE_POKEDATA, inferior_pid, (PTRACE_ARG3_TYPE) stack, stuff);
- inferior_registers.r_reg[EAX] = reg;
- }
-#endif
- ptrace (PTRACE_SETREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_registers);
- ptrace (PTRACE_SETFPREGS, inferior_pid,
- (PTRACE_ARG3_TYPE) &inferior_fp_registers);
-}
-
-#else /* Not mach386 target. */
-
-/* These functions shouldn't be called when we're cross-debugging. */
-
-/* ARGSUSED */
-void
-fetch_inferior_registers (regno)
- int regno;
-{
-}
-
-/* ARGSUSED */
-void
-store_inferior_registers (regno)
- int regno;
-{
-}
-
-#endif /* Not mach386 target. */
-
-/* Work with core files, for GDB. */
-
-void
-fetch_core_registers (core_reg_sect, core_reg_size, which, reg_addr)
- char *core_reg_sect;
- unsigned core_reg_size;
- int which;
- unsigned int reg_addr; /* Unused in this version */
-{
- int val;
- extern char registers[];
-
- switch (which) {
- case 0:
- case 1:
- bcopy (core_reg_sect, registers, core_reg_size);
- break;
-
- case 2:
-#ifdef FP0_REGNUM
- bcopy (core_reg_sect,
- &registers[REGISTER_BYTE (FP0_REGNUM)],
- core_reg_size); /* FIXME, probably bogus */
-#endif
-#ifdef FPC_REGNUM
- bcopy (&corestr.c_fpu.f_fpstatus.f_ctrl,
- &registers[REGISTER_BYTE (FPC_REGNUM)],
- sizeof corestr.c_fpu.f_fpstatus -
- sizeof corestr.c_fpu.f_fpstatus.f_st);
-#endif
- break;
- }
-}