diff options
Diffstat (limited to 'gnu/usr.bin/gdb/gdbserver/fbsd-amd64-low.c')
| -rw-r--r-- | gnu/usr.bin/gdb/gdbserver/fbsd-amd64-low.c | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/gnu/usr.bin/gdb/gdbserver/fbsd-amd64-low.c b/gnu/usr.bin/gdb/gdbserver/fbsd-amd64-low.c deleted file mode 100644 index 82a8c93f3dfb..000000000000 --- a/gnu/usr.bin/gdb/gdbserver/fbsd-amd64-low.c +++ /dev/null @@ -1,213 +0,0 @@ -/* GNU/FreeBSD/amd64 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" - -#include <sys/stddef.h> -#include <sys/types.h> -#include <sys/ptrace.h> -#include <machine/reg.h> - -/* Mapping between the general-purpose registers in `struct user' - format and GDB's register array layout. */ -static int amd64_regmap[] = { - offsetof(struct reg, r_rax), - offsetof(struct reg, r_rbx), - offsetof(struct reg, r_rcx), - offsetof(struct reg, r_rdx), - offsetof(struct reg, r_rsi), - offsetof(struct reg, r_rdi), - offsetof(struct reg, r_rbp), - offsetof(struct reg, r_rsp), - offsetof(struct reg, r_r8), - offsetof(struct reg, r_r9), - offsetof(struct reg, r_r10), - offsetof(struct reg, r_r11), - offsetof(struct reg, r_r12), - offsetof(struct reg, r_r13), - offsetof(struct reg, r_r14), - offsetof(struct reg, r_r15), - offsetof(struct reg, r_rip), - offsetof(struct reg, r_rflags), /* XXX 64-bit */ - offsetof(struct reg, r_cs), - offsetof(struct reg, r_ss), - offsetof(struct reg, r_ds), - offsetof(struct reg, r_es), - offsetof(struct reg, r_fs), - offsetof(struct reg, r_gs), -}; -#define AMD64_NUM_REGS (sizeof(amd64_regmap) / sizeof(amd64_regmap[0])) - -static const char amd64_breakpoint[] = { 0xCC }; -#define AMD64_BP_LEN 1 - -extern int debug_threads; - -static int -amd64_cannot_store_register(int regno) -{ - - return (regno >= AMD64_NUM_REGS); -} - -static int -amd64_cannot_fetch_register(int regno) -{ - - return (regno >= AMD64_NUM_REGS); -} - -static void -amd64_fill_gregset(void *buf) -{ - int i; - - for (i = 0; i < AMD64_NUM_REGS; i++) - collect_register(i, ((char *)buf) + amd64_regmap[i]); -} - -static void -amd64_store_gregset(const void *buf) -{ - int i; - - for (i = 0; i < AMD64_NUM_REGS; i++) - supply_register(i, ((char *)buf) + amd64_regmap[i]); -} - -static void -amd64_fill_fpregset(void *buf) -{ - - i387_cache_to_fsave(buf); -} - -static void -amd64_store_fpregset(const void *buf) -{ - - i387_fsave_to_cache(buf); -} - -static void -amd64_fill_fpxregset(void *buf) -{ - - i387_cache_to_fxsave(buf); -} - -static void -amd64_store_fpxregset(const void *buf) -{ - - i387_fxsave_to_cache(buf); -} - - -struct regset_info target_regsets[] = { - { - PT_GETREGS, - PT_SETREGS, - sizeof(struct reg), - GENERAL_REGS, - amd64_fill_gregset, - amd64_store_gregset, - }, -#ifdef HAVE_PTRACE_GETFPXREGS - { - PTRACE_GETFPXREGS, - PTRACE_SETFPXREGS, - sizeof(elf_fpxregset_t), - EXTENDED_REGS, - amd64_fill_fpxregset, - amd64_store_fpxregset, - }, -#endif - { - PT_GETFPREGS, - PT_SETFPREGS, - sizeof(struct fpreg), - FP_REGS, - amd64_fill_fpregset, - amd64_store_fpregset, - }, - { - 0, - 0, - -1, - -1, - NULL, - NULL, - } -}; - -static CORE_ADDR -amd64_get_pc(void) -{ - unsigned long pc; - - collect_register_by_name("rip", &pc); - - if (debug_threads) - fprintf(stderr, "stop pc (before any decrement) is %016lx\n", pc); - - return (pc); -} - -static void -amd64_set_pc(CORE_ADDR newpc) -{ - - if (debug_threads) - fprintf(stderr, "set pc to %016lx\n", (long)newpc); - supply_register_by_name("rip", &newpc); -} - -static int -amd64_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 = { - AMD64_NUM_REGS, - amd64_regmap, - amd64_cannot_fetch_register, - amd64_cannot_store_register, - amd64_get_pc, - amd64_set_pc, - amd64_breakpoint, - AMD64_BP_LEN, - NULL, - 1, - amd64_breakpoint_at, -}; |