svn commit: r204335 - in head: . gnu/usr.bin/gdb
gnu/usr.bin/gdb/gdbserver
Jung-uk Kim
jkim at FreeBSD.org
Thu Feb 25 21:29:00 UTC 2010
Author: jkim
Date: Thu Feb 25 21:29:00 2010
New Revision: 204335
URL: http://svn.freebsd.org/changeset/base/204335
Log:
Initial gdbserver support for amd64.
Added:
head/gnu/usr.bin/gdb/gdbserver/fbsd-amd64-low.c (contents, props changed)
head/gnu/usr.bin/gdb/gdbserver/reg-x86-64.c (contents, props changed)
Modified:
head/ObsoleteFiles.inc
head/gnu/usr.bin/gdb/Makefile
head/gnu/usr.bin/gdb/gdbserver/Makefile
Modified: head/ObsoleteFiles.inc
==============================================================================
--- head/ObsoleteFiles.inc Thu Feb 25 21:26:50 2010 (r204334)
+++ head/ObsoleteFiles.inc Thu Feb 25 21:29:00 2010 (r204335)
@@ -2275,7 +2275,7 @@ OLD_FILES+=usr/lib/libpam_ssh.a
OLD_FILES+=usr/lib/libpam_ssh_p.a
OLD_FILES+=usr/bin/help
OLD_FILES+=usr/bin/sccs
-.if ${TARGET_ARCH} != "arm" && ${TARGET_ARCH} != "i386" && ${TARGET_ARCH} != "powerpc"
+.if ${TARGET_ARCH} != "amd64" && ${TARGET_ARCH} != "arm" && ${TARGET_ARCH} != "i386" && ${TARGET_ARCH} != "powerpc"
OLD_FILES+=usr/bin/gdbserver
.endif
OLD_FILES+=usr/bin/ssh-keysign
Modified: head/gnu/usr.bin/gdb/Makefile
==============================================================================
--- head/gnu/usr.bin/gdb/Makefile Thu Feb 25 21:26:50 2010 (r204334)
+++ head/gnu/usr.bin/gdb/Makefile Thu Feb 25 21:29:00 2010 (r204335)
@@ -2,7 +2,7 @@
SUBDIR= doc libgdb gdb gdbtui kgdb
-.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "arm" || ${MACHINE_ARCH} == "powerpc"
+.if ${MACHINE_ARCH} == "amd64" || ${MACHINE_ARCH} == "arm" || ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "powerpc"
SUBDIR+=gdbserver
.endif
Modified: head/gnu/usr.bin/gdb/gdbserver/Makefile
==============================================================================
--- head/gnu/usr.bin/gdb/gdbserver/Makefile Thu Feb 25 21:26:50 2010 (r204334)
+++ head/gnu/usr.bin/gdb/gdbserver/Makefile Thu Feb 25 21:29:00 2010 (r204335)
@@ -14,14 +14,18 @@ SRCS= inferiors.c mem-break.c regcache.c
server.c signals.c target.c utils.c
SRCS+= fbsd-low.c
-.if ${MACHINE_ARCH} == "i386"
-SRCS+= fbsd-i386-low.c i387-fp.c reg-i386.c
+.if ${MACHINE_ARCH} == "amd64"
+SRCS+= fbsd-amd64-low.c i387-fp.c reg-x86-64.c
.endif
.if ${MACHINE_ARCH} == "arm"
SRCS+= fbsd-arm-low.c reg-arm.c
.endif
+.if ${MACHINE_ARCH} == "i386"
+SRCS+= fbsd-i386-low.c i387-fp.c reg-i386.c
+.endif
+
.if ${MACHINE_ARCH} == "powerpc"
SRCS+= fbsd-ppc-low.c reg-ppc.c
.endif
Added: head/gnu/usr.bin/gdb/gdbserver/fbsd-amd64-low.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/gnu/usr.bin/gdb/gdbserver/fbsd-amd64-low.c Thu Feb 25 21:29:00 2010 (r204335)
@@ -0,0 +1,213 @@
+/* GNU/FreeBSD/amd64 specific low level interface, for the remote server for GDB.
+ Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002
+ Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sys/cdefs.h>
+__FBSDID("$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,
+};
Added: head/gnu/usr.bin/gdb/gdbserver/reg-x86-64.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/gnu/usr.bin/gdb/gdbserver/reg-x86-64.c Thu Feb 25 21:29:00 2010 (r204335)
@@ -0,0 +1,99 @@
+/* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
+
+/* A register protocol for GDB, the GNU debugger.
+ Copyright 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. */
+
+/* This file was created with the aid of ``regdat.sh'' and ``../../../../contrib/gdb/gdb/regformats/reg-x86-64.dat''. */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include "regdef.h"
+#include "regcache.h"
+
+struct reg regs_x86_64[] = {
+ { "rax", 0, 64 },
+ { "rbx", 64, 64 },
+ { "rcx", 128, 64 },
+ { "rdx", 192, 64 },
+ { "rsi", 256, 64 },
+ { "rdi", 320, 64 },
+ { "rbp", 384, 64 },
+ { "rsp", 448, 64 },
+ { "r8", 512, 64 },
+ { "r9", 576, 64 },
+ { "r10", 640, 64 },
+ { "r11", 704, 64 },
+ { "r12", 768, 64 },
+ { "r13", 832, 64 },
+ { "r14", 896, 64 },
+ { "r15", 960, 64 },
+ { "rip", 1024, 64 },
+ { "eflags", 1088, 32 },
+ { "cs", 1120, 32 },
+ { "ss", 1152, 32 },
+ { "ds", 1184, 32 },
+ { "es", 1216, 32 },
+ { "fs", 1248, 32 },
+ { "gs", 1280, 32 },
+ { "st0", 1312, 80 },
+ { "st1", 1392, 80 },
+ { "st2", 1472, 80 },
+ { "st3", 1552, 80 },
+ { "st4", 1632, 80 },
+ { "st5", 1712, 80 },
+ { "st6", 1792, 80 },
+ { "st7", 1872, 80 },
+ { "fctrl", 1952, 32 },
+ { "fstat", 1984, 32 },
+ { "ftag", 2016, 32 },
+ { "fiseg", 2048, 32 },
+ { "fioff", 2080, 32 },
+ { "foseg", 2112, 32 },
+ { "fooff", 2144, 32 },
+ { "fop", 2176, 32 },
+ { "xmm0", 2208, 128 },
+ { "xmm1", 2336, 128 },
+ { "xmm2", 2464, 128 },
+ { "xmm3", 2592, 128 },
+ { "xmm4", 2720, 128 },
+ { "xmm5", 2848, 128 },
+ { "xmm6", 2976, 128 },
+ { "xmm7", 3104, 128 },
+ { "xmm8", 3232, 128 },
+ { "xmm9", 3360, 128 },
+ { "xmm10", 3488, 128 },
+ { "xmm11", 3616, 128 },
+ { "xmm12", 3744, 128 },
+ { "xmm13", 3872, 128 },
+ { "xmm14", 4000, 128 },
+ { "xmm15", 4128, 128 },
+ { "mxcsr", 4256, 32 },
+};
+
+const char *expedite_regs_x86_64[] = { "rbp", "rsp", "rip", 0 };
+
+void
+init_registers ()
+{
+ set_register_cache (regs_x86_64,
+ sizeof (regs_x86_64) / sizeof (regs_x86_64[0]));
+ gdbserver_expedite_regs = expedite_regs_x86_64;
+}
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