Initial gdbserver support for amd64.
This commit is contained in:
Jung-uk Kim
parent
329a9a116e
commit
bdcf2df5c2
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=204335
@ -2275,7 +2275,7 @@ OLD_FILES+=usr/lib/libpam_ssh.a
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OLD_FILES+=usr/lib/libpam_ssh_p.a
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OLD_FILES+=usr/bin/help
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OLD_FILES+=usr/bin/sccs
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.if ${TARGET_ARCH} != "arm" && ${TARGET_ARCH} != "i386" && ${TARGET_ARCH} != "powerpc"
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.if ${TARGET_ARCH} != "amd64" && ${TARGET_ARCH} != "arm" && ${TARGET_ARCH} != "i386" && ${TARGET_ARCH} != "powerpc"
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OLD_FILES+=usr/bin/gdbserver
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.endif
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OLD_FILES+=usr/bin/ssh-keysign
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@ -2,7 +2,7 @@
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SUBDIR= doc libgdb gdb gdbtui kgdb
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.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "arm" || ${MACHINE_ARCH} == "powerpc"
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.if ${MACHINE_ARCH} == "amd64" || ${MACHINE_ARCH} == "arm" || ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "powerpc"
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SUBDIR+=gdbserver
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.endif
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@ -14,14 +14,18 @@ SRCS= inferiors.c mem-break.c regcache.c remote-utils.c \
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server.c signals.c target.c utils.c
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SRCS+= fbsd-low.c
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.if ${MACHINE_ARCH} == "i386"
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SRCS+= fbsd-i386-low.c i387-fp.c reg-i386.c
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.if ${MACHINE_ARCH} == "amd64"
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SRCS+= fbsd-amd64-low.c i387-fp.c reg-x86-64.c
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.endif
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.if ${MACHINE_ARCH} == "arm"
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SRCS+= fbsd-arm-low.c reg-arm.c
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.endif
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.if ${MACHINE_ARCH} == "i386"
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SRCS+= fbsd-i386-low.c i387-fp.c reg-i386.c
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.endif
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.if ${MACHINE_ARCH} == "powerpc"
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SRCS+= fbsd-ppc-low.c reg-ppc.c
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.endif
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213
gnu/usr.bin/gdb/gdbserver/fbsd-amd64-low.c
Normal file
213
gnu/usr.bin/gdb/gdbserver/fbsd-amd64-low.c
Normal file
@ -0,0 +1,213 @@
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/* GNU/FreeBSD/amd64 specific low level interface, for the remote server for GDB.
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Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002
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Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "server.h"
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#include "fbsd-low.h"
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#include "i387-fp.h"
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#include <sys/stddef.h>
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#include <sys/types.h>
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#include <sys/ptrace.h>
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#include <machine/reg.h>
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/* Mapping between the general-purpose registers in `struct user'
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format and GDB's register array layout. */
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static int amd64_regmap[] = {
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offsetof(struct reg, r_rax),
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offsetof(struct reg, r_rbx),
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offsetof(struct reg, r_rcx),
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offsetof(struct reg, r_rdx),
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offsetof(struct reg, r_rsi),
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offsetof(struct reg, r_rdi),
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offsetof(struct reg, r_rbp),
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offsetof(struct reg, r_rsp),
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offsetof(struct reg, r_r8),
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offsetof(struct reg, r_r9),
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offsetof(struct reg, r_r10),
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offsetof(struct reg, r_r11),
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offsetof(struct reg, r_r12),
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offsetof(struct reg, r_r13),
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offsetof(struct reg, r_r14),
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offsetof(struct reg, r_r15),
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offsetof(struct reg, r_rip),
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offsetof(struct reg, r_rflags), /* XXX 64-bit */
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offsetof(struct reg, r_cs),
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offsetof(struct reg, r_ss),
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offsetof(struct reg, r_ds),
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offsetof(struct reg, r_es),
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offsetof(struct reg, r_fs),
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offsetof(struct reg, r_gs),
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};
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#define AMD64_NUM_REGS (sizeof(amd64_regmap) / sizeof(amd64_regmap[0]))
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static const char amd64_breakpoint[] = { 0xCC };
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#define AMD64_BP_LEN 1
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extern int debug_threads;
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static int
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amd64_cannot_store_register(int regno)
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{
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return (regno >= AMD64_NUM_REGS);
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}
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static int
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amd64_cannot_fetch_register(int regno)
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{
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return (regno >= AMD64_NUM_REGS);
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}
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static void
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amd64_fill_gregset(void *buf)
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{
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int i;
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for (i = 0; i < AMD64_NUM_REGS; i++)
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collect_register(i, ((char *)buf) + amd64_regmap[i]);
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}
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static void
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amd64_store_gregset(const void *buf)
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{
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int i;
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for (i = 0; i < AMD64_NUM_REGS; i++)
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supply_register(i, ((char *)buf) + amd64_regmap[i]);
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}
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static void
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amd64_fill_fpregset(void *buf)
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{
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i387_cache_to_fsave(buf);
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}
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static void
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amd64_store_fpregset(const void *buf)
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{
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i387_fsave_to_cache(buf);
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}
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static void
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amd64_fill_fpxregset(void *buf)
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{
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i387_cache_to_fxsave(buf);
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}
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static void
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amd64_store_fpxregset(const void *buf)
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{
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i387_fxsave_to_cache(buf);
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}
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struct regset_info target_regsets[] = {
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{
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PT_GETREGS,
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PT_SETREGS,
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sizeof(struct reg),
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GENERAL_REGS,
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amd64_fill_gregset,
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amd64_store_gregset,
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},
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#ifdef HAVE_PTRACE_GETFPXREGS
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{
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PTRACE_GETFPXREGS,
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PTRACE_SETFPXREGS,
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sizeof(elf_fpxregset_t),
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EXTENDED_REGS,
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amd64_fill_fpxregset,
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amd64_store_fpxregset,
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},
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#endif
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{
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PT_GETFPREGS,
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PT_SETFPREGS,
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sizeof(struct fpreg),
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FP_REGS,
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amd64_fill_fpregset,
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amd64_store_fpregset,
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},
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{
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0,
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0,
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-1,
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-1,
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NULL,
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NULL,
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}
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};
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static CORE_ADDR
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amd64_get_pc(void)
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{
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unsigned long pc;
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collect_register_by_name("rip", &pc);
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if (debug_threads)
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fprintf(stderr, "stop pc (before any decrement) is %016lx\n", pc);
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return (pc);
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}
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static void
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amd64_set_pc(CORE_ADDR newpc)
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{
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if (debug_threads)
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fprintf(stderr, "set pc to %016lx\n", (long)newpc);
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supply_register_by_name("rip", &newpc);
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}
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static int
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amd64_breakpoint_at(CORE_ADDR pc)
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{
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unsigned char c;
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read_inferior_memory(pc, &c, 1);
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if (c == 0xCC)
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return (1);
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return (0);
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}
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struct fbsd_target_ops the_low_target = {
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AMD64_NUM_REGS,
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amd64_regmap,
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amd64_cannot_fetch_register,
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amd64_cannot_store_register,
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amd64_get_pc,
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amd64_set_pc,
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amd64_breakpoint,
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AMD64_BP_LEN,
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NULL,
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1,
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amd64_breakpoint_at,
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};
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99
gnu/usr.bin/gdb/gdbserver/reg-x86-64.c
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99
gnu/usr.bin/gdb/gdbserver/reg-x86-64.c
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@ -0,0 +1,99 @@
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/* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
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/* A register protocol for GDB, the GNU debugger.
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Copyright 2001, 2002 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* This file was created with the aid of ``regdat.sh'' and ``../../../../contrib/gdb/gdb/regformats/reg-x86-64.dat''. */
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "regdef.h"
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#include "regcache.h"
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struct reg regs_x86_64[] = {
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{ "rax", 0, 64 },
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{ "rbx", 64, 64 },
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{ "rcx", 128, 64 },
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{ "rdx", 192, 64 },
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{ "rsi", 256, 64 },
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{ "rdi", 320, 64 },
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{ "rbp", 384, 64 },
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{ "rsp", 448, 64 },
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{ "r8", 512, 64 },
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{ "r9", 576, 64 },
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{ "r10", 640, 64 },
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{ "r11", 704, 64 },
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{ "r12", 768, 64 },
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{ "r13", 832, 64 },
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{ "r14", 896, 64 },
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{ "r15", 960, 64 },
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{ "rip", 1024, 64 },
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{ "eflags", 1088, 32 },
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{ "cs", 1120, 32 },
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{ "ss", 1152, 32 },
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{ "ds", 1184, 32 },
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{ "es", 1216, 32 },
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{ "fs", 1248, 32 },
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{ "gs", 1280, 32 },
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{ "st0", 1312, 80 },
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{ "st1", 1392, 80 },
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{ "st2", 1472, 80 },
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{ "st3", 1552, 80 },
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{ "st4", 1632, 80 },
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{ "st5", 1712, 80 },
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{ "st6", 1792, 80 },
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{ "st7", 1872, 80 },
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{ "fctrl", 1952, 32 },
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{ "fstat", 1984, 32 },
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{ "ftag", 2016, 32 },
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{ "fiseg", 2048, 32 },
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{ "fioff", 2080, 32 },
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{ "foseg", 2112, 32 },
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{ "fooff", 2144, 32 },
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{ "fop", 2176, 32 },
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{ "xmm0", 2208, 128 },
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{ "xmm1", 2336, 128 },
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{ "xmm2", 2464, 128 },
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{ "xmm3", 2592, 128 },
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{ "xmm4", 2720, 128 },
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{ "xmm5", 2848, 128 },
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{ "xmm6", 2976, 128 },
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{ "xmm7", 3104, 128 },
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{ "xmm8", 3232, 128 },
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{ "xmm9", 3360, 128 },
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{ "xmm10", 3488, 128 },
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{ "xmm11", 3616, 128 },
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{ "xmm12", 3744, 128 },
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{ "xmm13", 3872, 128 },
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{ "xmm14", 4000, 128 },
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{ "xmm15", 4128, 128 },
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{ "mxcsr", 4256, 32 },
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};
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const char *expedite_regs_x86_64[] = { "rbp", "rsp", "rip", 0 };
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void
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init_registers ()
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{
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set_register_cache (regs_x86_64,
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sizeof (regs_x86_64) / sizeof (regs_x86_64[0]));
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gdbserver_expedite_regs = expedite_regs_x86_64;
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}
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