Exemple #1
0
static void
amd64bsd_store_inferior_registers (struct target_ops *ops,
				   struct regcache *regcache, int regnum)
{
  struct gdbarch *gdbarch = get_regcache_arch (regcache);

  if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, regnum))
    {
      struct reg regs;

      if (ptrace (PT_GETREGS, get_ptrace_pid (inferior_ptid),
                  (PTRACE_TYPE_ARG3) &regs, 0) == -1)
        perror_with_name (_("Couldn't get registers"));

      amd64_collect_native_gregset (regcache, &regs, regnum);

      if (ptrace (PT_SETREGS, get_ptrace_pid (inferior_ptid),
	          (PTRACE_TYPE_ARG3) &regs, 0) == -1)
        perror_with_name (_("Couldn't write registers"));

      if (regnum != -1)
	return;
    }

  if (regnum == -1 || !amd64_native_gregset_supplies_p (gdbarch, regnum))
    {
      struct fpreg fpregs;
#ifdef PT_GETXSTATE_INFO
      void *xstateregs;

      if (x86bsd_xsave_len != 0)
	{
	  xstateregs = alloca (x86bsd_xsave_len);
	  if (ptrace (PT_GETXSTATE, get_ptrace_pid (inferior_ptid),
		      (PTRACE_TYPE_ARG3) xstateregs, 0) == -1)
	    perror_with_name (_("Couldn't get extended state status"));

	  amd64_collect_xsave (regcache, regnum, xstateregs, 0);

	  if (ptrace (PT_SETXSTATE, get_ptrace_pid (inferior_ptid),
		      (PTRACE_TYPE_ARG3) xstateregs, x86bsd_xsave_len) == -1)
	    perror_with_name (_("Couldn't write extended state status"));
	  return;
	}
#endif

      if (ptrace (PT_GETFPREGS, get_ptrace_pid (inferior_ptid),
		  (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
	perror_with_name (_("Couldn't get floating point status"));

      amd64_collect_fxsave (regcache, regnum, &fpregs);

      if (ptrace (PT_SETFPREGS, get_ptrace_pid (inferior_ptid),
		  (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
	perror_with_name (_("Couldn't write floating point status"));
    }
}
static void
amd64_linux_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))
    {
      elf_gregset_t regs;

      if (ptrace (PTRACE_GETREGS, tid, 0, (long) &regs) < 0)
	perror_with_name (_("Couldn't get registers"));

      amd64_collect_native_gregset (current_regcache, &regs, regnum);

      if (ptrace (PTRACE_SETREGS, tid, 0, (long) &regs) < 0)
	perror_with_name (_("Couldn't write registers"));

      if (regnum != -1)
	return;
    }

  if (regnum == -1 || !amd64_native_gregset_supplies_p (regnum))
    {
      elf_fpregset_t fpregs;

      if (ptrace (PTRACE_GETFPREGS, tid, 0, (long) &fpregs) < 0)
	perror_with_name (_("Couldn't get floating point status"));

      amd64_collect_fxsave (current_regcache, regnum, &fpregs);

      if (ptrace (PTRACE_SETFPREGS, tid, 0, (long) &fpregs) < 0)
	perror_with_name (_("Couldn't write floating point status"));

      return;
    }
}
Exemple #3
0
static void
amd64bsd_store_inferior_registers (struct target_ops *ops,
				   struct regcache *regcache, int regnum)
{
  struct gdbarch *gdbarch = get_regcache_arch (regcache);

  if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, regnum))
    {
      struct reg regs;

      if (ptrace (PT_GETREGS, ptid_get_pid (inferior_ptid),
                  (PTRACE_TYPE_ARG3) &regs, 0) == -1)
        perror_with_name (_("Couldn't get registers"));

      amd64_collect_native_gregset (regcache, &regs, regnum);

      if (ptrace (PT_SETREGS, ptid_get_pid (inferior_ptid),
	          (PTRACE_TYPE_ARG3) &regs, 0) == -1)
        perror_with_name (_("Couldn't write registers"));

      if (regnum != -1)
	return;
    }

  if (regnum == -1 || !amd64_native_gregset_supplies_p (gdbarch, regnum))
    {
      struct fpreg fpregs;

      if (ptrace (PT_GETFPREGS, ptid_get_pid (inferior_ptid),
		  (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
	perror_with_name (_("Couldn't get floating point status"));

      amd64_collect_fxsave (regcache, regnum, &fpregs);

      if (ptrace (PT_SETFPREGS, ptid_get_pid (inferior_ptid),
		  (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
	perror_with_name (_("Couldn't write floating point status"));
    }
}
Exemple #4
0
void
store_inferior_registers (int regnum)
{
  if (regnum == -1 || amd64_native_gregset_supplies_p (regnum))
    {
      struct reg regs;

      if (ptrace (PT_GETREGS, PIDGET (inferior_ptid),
                  (PTRACE_ARG3_TYPE) &regs, 0) == -1)
        perror_with_name ("Couldn't get registers");

      amd64_collect_native_gregset (current_regcache, &regs, regnum);

      if (ptrace (PT_SETREGS, PIDGET (inferior_ptid),
	          (PTRACE_ARG3_TYPE) &regs, 0) == -1)
        perror_with_name ("Couldn't write registers");

      if (regnum != -1)
	return;
    }

  if (regnum == -1 || regnum >= AMD64_ST0_REGNUM)
    {
      struct fpreg fpregs;

      if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
		  (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
	perror_with_name ("Couldn't get floating point status");

      amd64_fill_fxsave ((char *) &fpregs, regnum);

      if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
		  (PTRACE_ARG3_TYPE) &fpregs, 0) == -1)
	perror_with_name ("Couldn't write floating point status");
    }
}
Exemple #5
0
static void
amd64_linux_store_inferior_registers (struct target_ops *ops,
				      struct regcache *regcache, int regnum)
{
  struct gdbarch *gdbarch = get_regcache_arch (regcache);
  int tid;

  /* GNU/Linux LWP ID's are process ID's.  */
  tid = ptid_get_lwp (inferior_ptid);
  if (tid == 0)
    tid = ptid_get_pid (inferior_ptid); /* Not a threaded program.  */

  if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, regnum))
    {
      elf_gregset_t regs;

      if (ptrace (PTRACE_GETREGS, tid, 0, (long) &regs) < 0)
	perror_with_name (_("Couldn't get registers"));

      amd64_collect_native_gregset (regcache, &regs, regnum);

      if (ptrace (PTRACE_SETREGS, tid, 0, (long) &regs) < 0)
	perror_with_name (_("Couldn't write registers"));

      if (regnum != -1)
	return;
    }

  if (regnum == -1 || !amd64_native_gregset_supplies_p (gdbarch, regnum))
    {
      elf_fpregset_t fpregs;

      if (have_ptrace_getregset)
	{
	  char xstateregs[I386_XSTATE_MAX_SIZE];
	  struct iovec iov;

	  iov.iov_base = xstateregs;
	  iov.iov_len = sizeof (xstateregs);
	  if (ptrace (PTRACE_GETREGSET, tid,
		      (unsigned int) NT_X86_XSTATE, (long) &iov) < 0)
	    perror_with_name (_("Couldn't get extended state status"));

	  amd64_collect_xsave (regcache, regnum, xstateregs, 0);

	  if (ptrace (PTRACE_SETREGSET, tid,
		      (unsigned int) NT_X86_XSTATE, (long) &iov) < 0)
	    perror_with_name (_("Couldn't write extended state status"));
	}
      else
	{
	  if (ptrace (PTRACE_GETFPREGS, tid, 0, (long) &fpregs) < 0)
	    perror_with_name (_("Couldn't get floating point status"));

	  amd64_collect_fxsave (regcache, regnum, &fpregs);

	  if (ptrace (PTRACE_SETFPREGS, tid, 0, (long) &fpregs) < 0)
	    perror_with_name (_("Couldn't write floating point status"));
	}
    }
}
Exemple #6
0
void
fill_gregset (const struct regcache *regcache,
	      elf_gregset_t *gregsetp, int regnum)
{
  amd64_collect_native_gregset (regcache, gregsetp, regnum);
}
void
fill_gregset (elf_gregset_t *gregsetp, int regnum)
{
  amd64_collect_native_gregset (current_regcache, gregsetp, regnum);
}
void
amd64bsd_store_inferior_registers (struct regcache *regcache, int regnum)
{
  struct gdbarch *gdbarch = regcache->arch ();
  pid_t pid = get_ptrace_pid (regcache->ptid ());

  if (regnum == -1 || amd64_native_gregset_supplies_p (gdbarch, regnum))
    {
      struct reg regs;

      if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
        perror_with_name (_("Couldn't get registers"));

      amd64_collect_native_gregset (regcache, &regs, regnum);

      if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
        perror_with_name (_("Couldn't write registers"));

      if (regnum != -1)
	return;
    }

#ifdef PT_SETFSBASE
  if (regnum == -1 || regnum == AMD64_FSBASE_REGNUM)
    {
      register_t base;

      regcache->raw_collect (AMD64_FSBASE_REGNUM, &base);

      if (ptrace (PT_SETFSBASE, pid, (PTRACE_TYPE_ARG3) &base, 0) == -1)
	perror_with_name (_("Couldn't write segment register fs_base"));
      if (regnum != -1)
	return;
    }
#endif
#ifdef PT_SETGSBASE
  if (regnum == -1 || regnum == AMD64_GSBASE_REGNUM)
    {
      register_t base;

      regcache->raw_collect (AMD64_GSBASE_REGNUM, &base);

      if (ptrace (PT_SETGSBASE, pid, (PTRACE_TYPE_ARG3) &base, 0) == -1)
	perror_with_name (_("Couldn't write segment register gs_base"));
      if (regnum != -1)
	return;
    }
#endif

  if (regnum == -1 || !amd64_native_gregset_supplies_p (gdbarch, regnum))
    {
      struct fpreg fpregs;
#ifdef PT_GETXSTATE_INFO
      void *xstateregs;

      if (x86bsd_xsave_len != 0)
	{
	  xstateregs = alloca (x86bsd_xsave_len);
	  if (ptrace (PT_GETXSTATE, pid, (PTRACE_TYPE_ARG3) xstateregs, 0)
	      == -1)
	    perror_with_name (_("Couldn't get extended state status"));

	  amd64_collect_xsave (regcache, regnum, xstateregs, 0);

	  if (ptrace (PT_SETXSTATE, pid, (PTRACE_TYPE_ARG3) xstateregs,
		      x86bsd_xsave_len) == -1)
	    perror_with_name (_("Couldn't write extended state status"));
	  return;
	}
#endif

      if (ptrace (PT_GETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
	perror_with_name (_("Couldn't get floating point status"));

      amd64_collect_fxsave (regcache, regnum, &fpregs);

      if (ptrace (PT_SETFPREGS, pid, (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
	perror_with_name (_("Couldn't write floating point status"));
    }
}
static void
i386_darwin_store_inferior_registers (struct target_ops *ops,
				      struct regcache *regcache, int regno)
{
  thread_t current_thread = ptid_get_tid (inferior_ptid);
  struct gdbarch *gdbarch = get_regcache_arch (regcache);

#ifdef BFD64
  if (gdbarch_ptr_bit (gdbarch) == 64)
    {
      if (regno == -1 || amd64_native_gregset_supplies_p (gdbarch, regno))
        {
          x86_thread_state_t gp_regs;
          kern_return_t ret;
	  unsigned int gp_count = x86_THREAD_STATE_COUNT;

	  ret = thread_get_state
	    (current_thread, x86_THREAD_STATE, (thread_state_t) &gp_regs,
	     &gp_count);
          MACH_CHECK_ERROR (ret);
	  gdb_assert (gp_regs.tsh.flavor == x86_THREAD_STATE64);
          gdb_assert (gp_regs.tsh.count == x86_THREAD_STATE64_COUNT);

	  amd64_collect_native_gregset (regcache, &gp_regs.uts, regno);

          ret = thread_set_state (current_thread, x86_THREAD_STATE,
                                  (thread_state_t) &gp_regs,
                                  x86_THREAD_STATE_COUNT);
          MACH_CHECK_ERROR (ret);
        }

      if (regno == -1 || !amd64_native_gregset_supplies_p (gdbarch, regno))
        {
          x86_float_state_t fp_regs;
          kern_return_t ret;
	  unsigned int fp_count = x86_FLOAT_STATE_COUNT;

	  ret = thread_get_state
	    (current_thread, x86_FLOAT_STATE, (thread_state_t) & fp_regs,
	     &fp_count);
          MACH_CHECK_ERROR (ret);
          gdb_assert (fp_regs.fsh.flavor == x86_FLOAT_STATE64);
          gdb_assert (fp_regs.fsh.count == x86_FLOAT_STATE64_COUNT);

	  amd64_collect_fxsave (regcache, regno, &fp_regs.ufs.fs64.__fpu_fcw);

	  ret = thread_set_state (current_thread, x86_FLOAT_STATE,
				  (thread_state_t) & fp_regs,
				  x86_FLOAT_STATE_COUNT);
	  MACH_CHECK_ERROR (ret);
        }
    }
  else
#endif
    {
      if (regno == -1 || regno < I386_NUM_GREGS)
        {
          i386_thread_state_t gp_regs;
          kern_return_t ret;
          unsigned int gp_count = i386_THREAD_STATE_COUNT;
	  int i;

          ret = thread_get_state
            (current_thread, i386_THREAD_STATE, (thread_state_t) & gp_regs,
             &gp_count);
	  MACH_CHECK_ERROR (ret);

	  for (i = 0; i < I386_NUM_GREGS; i++)
	    if (regno == -1 || regno == i)
	      regcache_raw_collect
		(regcache, i,
		 (char *)&gp_regs + i386_darwin_thread_state_reg_offset[i]);

          ret = thread_set_state (current_thread, i386_THREAD_STATE,
                                  (thread_state_t) & gp_regs,
                                  i386_THREAD_STATE_COUNT);
          MACH_CHECK_ERROR (ret);
        }

      if (regno == -1
	  || (regno >= I386_ST0_REGNUM && regno < I386_SSE_NUM_REGS))
        {
          i386_float_state_t fp_regs;
          unsigned int fp_count = i386_FLOAT_STATE_COUNT;
          kern_return_t ret;

	  ret = thread_get_state
            (current_thread, i386_FLOAT_STATE, (thread_state_t) & fp_regs,
             &fp_count);
	  MACH_CHECK_ERROR (ret);

	  i387_collect_fxsave (regcache, regno, &fp_regs.__fpu_fcw);

	  ret = thread_set_state (current_thread, i386_FLOAT_STATE,
				  (thread_state_t) & fp_regs,
				  i386_FLOAT_STATE_COUNT);
	  MACH_CHECK_ERROR (ret);
        }
    }
}