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authorMark Kettenis <kettenis@gnu.org>2004-02-25 20:45:31 +0000
committerMark Kettenis <kettenis@gnu.org>2004-02-25 20:45:31 +0000
commit9c1488cbbce26c9b9bdf5d0f9d515c272a6dc48c (patch)
treee2207e2678b98497e5c5a01503e0998e9aa7e063 /gdb/x86-64-linux-nat.c
parent4b8dad4a1e2d5d5c91b6ec087211b213a18d4396 (diff)
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* 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.c405
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) &regs) < 0)
- perror_with_name ("Couldn't get registers");
-
- supply_gregset (&regs);
-}
-
-/* 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) &regs) < 0)
- perror_with_name ("Couldn't get registers");
-
- fill_gregset (&regs, regnum);
-
- if (ptrace (PTRACE_SETREGS, tid, 0, (long) &regs) < 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);
-}