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author | Mark Kettenis <kettenis@gnu.org> | 2004-02-25 20:45:31 +0000 |
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committer | Mark Kettenis <kettenis@gnu.org> | 2004-02-25 20:45:31 +0000 |
commit | 9c1488cbbce26c9b9bdf5d0f9d515c272a6dc48c (patch) | |
tree | e2207e2678b98497e5c5a01503e0998e9aa7e063 /gdb/x86-64-linux-nat.c | |
parent | 4b8dad4a1e2d5d5c91b6ec087211b213a18d4396 (diff) | |
download | gdb-9c1488cbbce26c9b9bdf5d0f9d515c272a6dc48c.zip gdb-9c1488cbbce26c9b9bdf5d0f9d515c272a6dc48c.tar.gz gdb-9c1488cbbce26c9b9bdf5d0f9d515c272a6dc48c.tar.bz2 |
* amd64-tdep.h: Renamed from x86-64-tdep.h.
* amd64-tdep.c: Renamed from x86-64-tdep.c. Include
"amd64-tdep.h" instead of "x86-64-tdep.h".
* amd64-nat.c: Include "amd64-tdep.h" instead of "x86-64-tdep.h".
* amd64-linux-tdep.h: Renamed from x86-64-linux.h.
* amd64-linux-tdep.c: Renamed from x86-64-linux-tdep.c. Include
"amd64-tdep.h" and "amd64-linux-tdep.h" instead of "x86-64-tdep.h"
and "x86-64-tdep.c".
* amd64-linux-nat.c: Renamed from x86-64-linux-nat.c. Include
"amd64-tdep.h" and "amd64-linux-tdep.h" instead of "x86-64-tdep.h"
and "x86-64-tdep.c".
* amd64bsd-nat.c: Update copyright year.
Include "amd64-tdep.h" instead of "x86-64-tdep.h".
* amd64fbsd-tdep.c: Include "amd64-tdep.h" instead of
"x86-64-tdep.h".
* amd64fbsd-nat.c: Include "amd64-tdep.h" instead of
"x86-64-tdep.h".
* amd64nbsd-tdep.c: Include "amd64-tdep.h" instead of
"x86-64-tdep.h".
* amd64nbsd-nat.c: Include "amd64-tdep.h" instead of
"x86-64-tdep.h".
* amd64obsd-tdep.c: Include "amd64-tdep.h" instead of
"x86-64-tdep.h".
* amd64obsd-nat.c: Include "amd64-tdep.h" instead of
"x86-64-tdep.h".
* configure.host: (x86_64-*-linux*): Set gdb_target to linux64.
* configure.tgt (x86_64-*-linux*): Set gdb_target to linux64.
* Makefile.in (amd64_linux_tdep_h): Renamed from
x86_64_linux_tdep_h.
(amd64_tdep_h): Renamed from x86_64_tdep_h.
(amd64bsd-nat.o, amd64fbsd-nat.o, amd64fbsd-tdep.o, amd64-nat.o)
(amd64nbsd-nat.o, amd64nbsd-tdep.o, amd64obsd-nat.o)
(amd64obsd-tdep.o): Update dependencies.
(amd64-tdep.o, amd64-linux-nat.o, amd64-linux-tdep.o): New
dependencies.
(x86-64-linux-nat.o, x86-64-linux-tdep.o, x86-64-tdep.o): Remove
dependencies.
(ALLDEPFILES): Add amd64-tdep.c, amd64obsd-nat.c, amd64obsd-nat.c,
amd64-linux-nat.c amd64-linux-tdep.c.
* config/i386/tm-linux64.h: Renamed from tm-x86-64linux.h
* config/i386/nm-linux64.h: Renamed from nm-x86-64linux.h.
* config/i386/linux64.mt: Renamed from x86-64linux.mt.
(TDEPFILES): Replace x86-64-tdep.o and x86-64-linux-tdep.o with
amd64-tdep.o and amd64-linux-tdep.o.
(TM_FILE): Set to tm-linux64.h.
* config/i386/linux64.mh: Renamed from x86-64linux.mh.
(NAT_FILE): Set to nm-linux64.h.
(NATDEPFILES): Replace x86-64-linux-nat.o with amd64-linux-nat.o.
* config/i386/fbsd64.mt (TDEPFILES): Replace x86-64-tdep.o with
amd64-tdep.o.
* config/i386/nbsd64.mt (TDEPFILES): Replace x86-64-tdep.o with
amd64-tdep.o.
* config/i386/obsd64.mt (TDEPFILES): Replace x86-64-tdep.o with
amd64-tdep.o.
Diffstat (limited to 'gdb/x86-64-linux-nat.c')
-rw-r--r-- | gdb/x86-64-linux-nat.c | 405 |
1 files changed, 0 insertions, 405 deletions
diff --git a/gdb/x86-64-linux-nat.c b/gdb/x86-64-linux-nat.c deleted file mode 100644 index 109d3ce..0000000 --- a/gdb/x86-64-linux-nat.c +++ /dev/null @@ -1,405 +0,0 @@ -/* Native-dependent code for GNU/Linux x86-64. - - Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc. - Contributed by Jiri Smid, SuSE Labs. - - 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 "defs.h" -#include "inferior.h" -#include "gdbcore.h" -#include "regcache.h" -#include "linux-nat.h" - -#include "gdb_assert.h" -#include "gdb_string.h" -#include <sys/ptrace.h> -#include <sys/debugreg.h> -#include <sys/syscall.h> -#include <sys/procfs.h> -#include <asm/prctl.h> -/* FIXME ezannoni-2003-07-09: we need <sys/reg.h> to be included after - <asm/ptrace.h> because the latter redefines FS and GS for no apparent - reason, and those definitions don't match the ones that libpthread_db - uses, which come from <sys/reg.h>. */ -/* ezannoni-2003-07-09: I think this is fixed. The extraneous defs have - been removed from ptrace.h in the kernel. However, better safe than - sorry. */ -#include <asm/ptrace.h> -#include <sys/reg.h> -#include "gdb_proc_service.h" - -/* Prototypes for supply_gregset etc. */ -#include "gregset.h" - -#include "x86-64-tdep.h" -#include "x86-64-linux-tdep.h" -#include "i386-linux-tdep.h" -#include "amd64-nat.h" - -/* Mapping between the general-purpose registers in GNU/Linux x86-64 - `struct user' format and GDB's register cache layout. */ - -static int amd64_linux_gregset64_reg_offset[] = -{ - RAX * 8, RBX * 8, /* %rax, %rbx */ - RCX * 8, RDX * 8, /* %rcx, %rdx */ - RSI * 8, RDI * 8, /* %rsi, %rdi */ - RBP * 8, RSP * 8, /* %rbp, %rsp */ - R8 * 8, R9 * 8, /* %r8 ... */ - R10 * 8, R11 * 8, - R12 * 8, R13 * 8, - R14 * 8, R15 * 8, /* ... %r15 */ - RIP * 8, EFLAGS * 8, /* %rip, %eflags */ - CS * 8, SS * 8, /* %cs, %ss */ - DS * 8, ES * 8, /* %ds, %es */ - FS * 8, GS * 8 /* %fs, %gs */ -}; - - -/* Mapping between the general-purpose registers in GNU/Linux x86-64 - `struct user' format and GDB's register cache layout for GNU/Linux - i386. - - Note that most GNU/Linux x86-64 registers are 64-bit, while the - GNU/Linux i386 registers are all 32-bit, but since we're - little-endian we get away with that. */ - -/* From <sys/reg.h> on GNU/Linux i386. */ -static int amd64_linux_gregset32_reg_offset[] = -{ - RAX * 8, RCX * 8, /* %eax, %ecx */ - RDX * 8, RBX * 8, /* %edx, %ebx */ - RSP * 8, RBP * 8, /* %esp, %ebp */ - RSI * 8, RDI * 8, /* %esi, %edi */ - RIP * 8, EFLAGS * 8, /* %eip, %eflags */ - CS * 8, SS * 8, /* %cs, %ss */ - DS * 8, ES * 8, /* %ds, %es */ - FS * 8, GS * 8, /* %fs, %gs */ - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, - ORIG_RAX * 8 /* "orig_eax" */ -}; - -/* Which ptrace request retrieves which registers? - These apply to the corresponding SET requests as well. */ - -#define GETFPREGS_SUPPLIES(regno) \ - (FP0_REGNUM <= (regno) && (regno) <= MXCSR_REGNUM) - - -/* Transfering the general-purpose registers between GDB, inferiors - and core files. */ - -/* Fill GDB's register cache with the general-purpose register values - in *GREGSETP. */ - -void -supply_gregset (elf_gregset_t *gregsetp) -{ - amd64_supply_native_gregset (current_regcache, gregsetp, -1); -} - -/* Fill register REGNUM (if it is a general-purpose register) in - *GREGSETP with the value in GDB's register cache. If REGNUM is -1, - do this for all registers. */ - -void -fill_gregset (elf_gregset_t *gregsetp, int regnum) -{ - amd64_collect_native_gregset (current_regcache, gregsetp, regnum); -} - -/* Fetch all general-purpose registers from process/thread TID and - store their values in GDB's register cache. */ - -static void -fetch_regs (int tid) -{ - elf_gregset_t regs; - - if (ptrace (PTRACE_GETREGS, tid, 0, (long) ®s) < 0) - perror_with_name ("Couldn't get registers"); - - supply_gregset (®s); -} - -/* Store all valid general-purpose registers in GDB's register cache - into the process/thread specified by TID. */ - -static void -store_regs (int tid, int regnum) -{ - elf_gregset_t regs; - - if (ptrace (PTRACE_GETREGS, tid, 0, (long) ®s) < 0) - perror_with_name ("Couldn't get registers"); - - fill_gregset (®s, regnum); - - if (ptrace (PTRACE_SETREGS, tid, 0, (long) ®s) < 0) - perror_with_name ("Couldn't write registers"); -} - - -/* Transfering floating-point registers between GDB, inferiors and cores. */ - -/* Fill GDB's register cache with the floating-point and SSE register - values in *FPREGSETP. */ - -void -supply_fpregset (elf_fpregset_t *fpregsetp) -{ - amd64_supply_fxsave (current_regcache, -1, fpregsetp); -} - -/* Fill register REGNUM (if it is a floating-point or SSE register) in - *FPREGSETP with the value in GDB's register cache. If REGNUM is - -1, do this for all registers. */ - -void -fill_fpregset (elf_fpregset_t *fpregsetp, int regnum) -{ - amd64_fill_fxsave ((char *) fpregsetp, regnum); -} - -/* Fetch all floating-point registers from process/thread TID and store - thier values in GDB's register cache. */ - -static void -fetch_fpregs (int tid) -{ - elf_fpregset_t fpregs; - - if (ptrace (PTRACE_GETFPREGS, tid, 0, (long) &fpregs) < 0) - perror_with_name ("Couldn't get floating point status"); - - supply_fpregset (&fpregs); -} - -/* Store all valid floating-point registers in GDB's register cache - into the process/thread specified by TID. */ - -static void -store_fpregs (int tid, int regnum) -{ - elf_fpregset_t fpregs; - - if (ptrace (PTRACE_GETFPREGS, tid, 0, (long) &fpregs) < 0) - perror_with_name ("Couldn't get floating point status"); - - fill_fpregset (&fpregs, regnum); - - if (ptrace (PTRACE_SETFPREGS, tid, 0, (long) &fpregs) < 0) - perror_with_name ("Couldn't write floating point status"); -} - - -/* Transferring arbitrary registers between GDB and inferior. */ - -/* Fetch register REGNUM from the child process. If REGNUM is -1, do - this for all registers (including the floating point and SSE - registers). */ - -void -fetch_inferior_registers (int regnum) -{ - int tid; - - /* GNU/Linux LWP ID's are process ID's. */ - tid = TIDGET (inferior_ptid); - if (tid == 0) - tid = PIDGET (inferior_ptid); /* Not a threaded program. */ - - if (regnum == -1 || amd64_native_gregset_supplies_p (regnum)) - { - fetch_regs (tid); - if (regnum != -1) - return; - } - - if (regnum == -1 || GETFPREGS_SUPPLIES (regnum)) - { - fetch_fpregs (tid); - return; - } - - internal_error (__FILE__, __LINE__, - "Got request for bad register number %d.", regnum); -} - -/* Store register REGNUM back into the child process. If REGNUM is - -1, do this for all registers (including the floating-point and SSE - registers). */ - -void -store_inferior_registers (int regnum) -{ - int tid; - - /* GNU/Linux LWP ID's are process ID's. */ - tid = TIDGET (inferior_ptid); - if (tid == 0) - tid = PIDGET (inferior_ptid); /* Not a threaded program. */ - - if (regnum == -1 || amd64_native_gregset_supplies_p (regnum)) - { - store_regs (tid, regnum); - if (regnum != -1) - return; - } - - if (regnum == -1 || GETFPREGS_SUPPLIES (regnum)) - { - store_fpregs (tid, regnum); - return; - } - - internal_error (__FILE__, __LINE__, - "Got request to store bad register number %d.", regnum); -} - - -static unsigned long -amd64_linux_dr_get (int regnum) -{ - int tid; - unsigned long value; - - /* FIXME: kettenis/2001-01-29: It's not clear what we should do with - multi-threaded processes here. For now, pretend there is just - one thread. */ - tid = PIDGET (inferior_ptid); - - /* FIXME: kettenis/2001-03-27: Calling perror_with_name if the - ptrace call fails breaks debugging remote targets. The correct - way to fix this is to add the hardware breakpoint and watchpoint - stuff to the target vectore. For now, just return zero if the - ptrace call fails. */ - errno = 0; - value = ptrace (PT_READ_U, tid, - offsetof (struct user, u_debugreg[regnum]), 0); - if (errno != 0) -#if 0 - perror_with_name ("Couldn't read debug register"); -#else - return 0; -#endif - - return value; -} - -static void -amd64_linux_dr_set (int regnum, unsigned long value) -{ - int tid; - - /* FIXME: kettenis/2001-01-29: It's not clear what we should do with - multi-threaded processes here. For now, pretend there is just - one thread. */ - tid = PIDGET (inferior_ptid); - - errno = 0; - ptrace (PT_WRITE_U, tid, offsetof (struct user, u_debugreg[regnum]), value); - if (errno != 0) - perror_with_name ("Couldn't write debug register"); -} - -void -amd64_linux_dr_set_control (unsigned long control) -{ - amd64_linux_dr_set (DR_CONTROL, control); -} - -void -amd64_linux_dr_set_addr (int regnum, CORE_ADDR addr) -{ - gdb_assert (regnum >= 0 && regnum <= DR_LASTADDR - DR_FIRSTADDR); - - amd64_linux_dr_set (DR_FIRSTADDR + regnum, addr); -} - -void -amd64_linux_dr_reset_addr (int regnum) -{ - gdb_assert (regnum >= 0 && regnum <= DR_LASTADDR - DR_FIRSTADDR); - - amd64_linux_dr_set (DR_FIRSTADDR + regnum, 0L); -} - -unsigned long -amd64_linux_dr_get_status (void) -{ - return amd64_linux_dr_get (DR_STATUS); -} - - -ps_err_e -ps_get_thread_area (const struct ps_prochandle *ph, - lwpid_t lwpid, int idx, void **base) -{ -/* This definition comes from prctl.h, but some kernels may not have it. */ -#ifndef PTRACE_ARCH_PRCTL -#define PTRACE_ARCH_PRCTL 30 -#endif - - /* FIXME: ezannoni-2003-07-09 see comment above about include file order. - We could be getting bogus values for these two. */ - gdb_assert (FS < ELF_NGREG); - gdb_assert (GS < ELF_NGREG); - switch (idx) - { - case FS: - if (ptrace (PTRACE_ARCH_PRCTL, lwpid, base, ARCH_GET_FS) == 0) - return PS_OK; - break; - case GS: - if (ptrace (PTRACE_ARCH_PRCTL, lwpid, base, ARCH_GET_GS) == 0) - return PS_OK; - break; - default: /* Should not happen. */ - return PS_BADADDR; - } - return PS_ERR; /* ptrace failed. */ -} - - -void -child_post_startup_inferior (ptid_t ptid) -{ - i386_cleanup_dregs (); - linux_child_post_startup_inferior (ptid); -} - - -/* Provide a prototype to silence -Wmissing-prototypes. */ -void _initialize_amd64_linux_nat (void); - -void -_initialize_amd64_linux_nat (void) -{ - amd64_native_gregset32_reg_offset = amd64_linux_gregset32_reg_offset; - amd64_native_gregset32_num_regs = I386_LINUX_NUM_REGS; - amd64_native_gregset64_reg_offset = amd64_linux_gregset64_reg_offset; - - gdb_assert (ARRAY_SIZE (amd64_linux_gregset32_reg_offset) - == amd64_native_gregset32_num_regs); - gdb_assert (ARRAY_SIZE (amd64_linux_gregset64_reg_offset) - == amd64_native_gregset64_num_regs); -} |