diff options
Diffstat (limited to 'gnu/usr.bin/gdb/gdbserver/fbsd-i386-low.c')
-rw-r--r-- | gnu/usr.bin/gdb/gdbserver/fbsd-i386-low.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/gnu/usr.bin/gdb/gdbserver/fbsd-i386-low.c b/gnu/usr.bin/gdb/gdbserver/fbsd-i386-low.c deleted file mode 100644 index cd296f9b6655..000000000000 --- a/gnu/usr.bin/gdb/gdbserver/fbsd-i386-low.c +++ /dev/null @@ -1,176 +0,0 @@ -/* GNU/Linux/i386 specific low level interface, for the remote server for GDB. - Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002 - 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. */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include "server.h" -#include "fbsd-low.h" -#include "i387-fp.h" - -#ifdef HAVE_SYS_REG_H -#include <sys/reg.h> -#else -#include <machine/reg.h> -#endif - -/* This module only supports access to the general purpose registers. */ - -#define i386_num_regs 16 - -/* This stuff comes from i386-fbsd-nat.c. */ - -/* Mapping between the general-purpose registers in `struct user' - format and GDB's register array layout. */ -static int i386_regmap[] = -{ - tEAX * 4, tECX * 4, tEDX * 4, tEBX * 4, - tESP * 4, tEBP * 4, tESI * 4, tEDI * 4, - tEIP * 4, tEFLAGS * 4, tCS * 4, tSS * 4, - tDS * 4, tES * 4, tFS * 4, tGS * 4 -}; - -static int -i386_cannot_store_register (int regno) -{ - return (regno >= i386_num_regs); -} - -static int -i386_cannot_fetch_register (int regno) -{ - return (regno >= i386_num_regs); -} - - -#include <sys/procfs.h> -#include <sys/ptrace.h> - -static void -i386_fill_gregset (void *buf) -{ - int i; - - for (i = 0; i < i386_num_regs; i++) - collect_register (i, ((char *) buf) + i386_regmap[i]); - -} - -static void -i386_store_gregset (const void *buf) -{ - int i; - - for (i = 0; i < i386_num_regs; i++) - supply_register (i, ((char *) buf) + i386_regmap[i]); - -} - -static void -i386_fill_fpregset (void *buf) -{ - i387_cache_to_fsave (buf); -} - -static void -i386_store_fpregset (const void *buf) -{ - i387_fsave_to_cache (buf); -} - -static void -i386_fill_fpxregset (void *buf) -{ - i387_cache_to_fxsave (buf); -} - -static void -i386_store_fpxregset (const void *buf) -{ - i387_fxsave_to_cache (buf); -} - - -struct regset_info target_regsets[] = { - { PT_GETREGS, PT_SETREGS, sizeof (struct reg), - GENERAL_REGS, - i386_fill_gregset, i386_store_gregset }, -#ifdef HAVE_PTRACE_GETFPXREGS - { PTRACE_GETFPXREGS, PTRACE_SETFPXREGS, sizeof (elf_fpxregset_t), - EXTENDED_REGS, - i386_fill_fpxregset, i386_store_fpxregset }, -#endif - { PT_GETFPREGS, PT_SETFPREGS, sizeof (struct fpreg), - FP_REGS, - i386_fill_fpregset, i386_store_fpregset }, - { 0, 0, -1, -1, NULL, NULL } -}; - -static const char i386_breakpoint[] = { 0xCC }; -#define i386_breakpoint_len 1 - -extern int debug_threads; - -static CORE_ADDR -i386_get_pc () -{ - unsigned long pc; - - collect_register_by_name ("eip", &pc); - - if (debug_threads) - fprintf (stderr, "stop pc (before any decrement) is %08lx\n", pc); - return pc; -} - -static void -i386_set_pc (CORE_ADDR newpc) -{ - if (debug_threads) - fprintf (stderr, "set pc to %08lx\n", (long) newpc); - supply_register_by_name ("eip", &newpc); -} - -static int -i386_breakpoint_at (CORE_ADDR pc) -{ - unsigned char c; - - read_inferior_memory (pc, &c, 1); - if (c == 0xCC) - return 1; - - return 0; -} - -struct fbsd_target_ops the_low_target = { - i386_num_regs, - i386_regmap, - i386_cannot_fetch_register, - i386_cannot_store_register, - i386_get_pc, - i386_set_pc, - i386_breakpoint, - i386_breakpoint_len, - NULL, - 1, - i386_breakpoint_at, -}; |