C++ (Cpp) i387_collect_fsave Beispiele

Beispiel #1

Datei: i386gnu-nat.c Projekt: 3125788/android_toolchain_gdb

/* Store the whole floating-point state into THREAD using information
   from the corresponding (pseudo) registers.  */
static void
store_fpregs (const struct regcache *regcache, struct proc *thread, int regno)
{
  mach_msg_type_number_t count = i386_FLOAT_STATE_COUNT;
  struct i386_float_state state;
  error_t err;

  err = thread_get_state (thread->port, i386_FLOAT_STATE,
			  (thread_state_t) &state, &count);
  if (err)
    {
      warning (_("Couldn't fetch floating-point state from %s"),
	       proc_string (thread));
      return;
    }

  /* FIXME: kettenis/2001-07-15: Is this right?  Should we somehow
     take into account DEPRECATED_REGISTER_VALID like the old code did?  */
  i387_collect_fsave (regcache, regno, state.hw_state);

  err = thread_set_state (thread->port, i386_FLOAT_STATE,
			  (thread_state_t) &state, i386_FLOAT_STATE_COUNT);
  if (err)
    {
      warning (_("Couldn't store floating-point state into %s"),
	       proc_string (thread));
      return;
    }
}

Beispiel #2

Datei: i386-nto-tdep.c Projekt: CyberGrandChallenge/gdb

static int
i386nto_regset_fill (const struct regcache *regcache, int regset, char *data)
{
  if (regset == NTO_REG_GENERAL)
    {
      int regno;

      for (regno = 0; regno < NUM_GPREGS; regno++)
	{
	  int offset = nto_reg_offset (regno);
	  if (offset != -1)
	    regcache_raw_collect (regcache, regno, data + offset);
	}
    }
  else if (regset == NTO_REG_FLOAT)
    {
      if (nto_cpuinfo_valid && nto_cpuinfo_flags | X86_CPU_FXSR)
	i387_collect_fxsave (regcache, -1, data);
      else
	i387_collect_fsave (regcache, -1, data);
    }
  else
    return -1;

  return 0;
}

Beispiel #3

Datei: i386bsd-nat.c Projekt: ArmstrongJ/insight-debugger

static void
i386bsd_store_inferior_registers (struct target_ops *ops,
				  struct regcache *regcache, int regnum)
{
  if (regnum == -1 || GETREGS_SUPPLIES (regnum))
    {
      struct reg regs;

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

      i386bsd_collect_gregset (regcache, &regs, regnum);

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

      if (regnum != -1)
	return;
    }

  if (regnum == -1 || regnum >= I386_ST0_REGNUM)
    {
      struct fpreg fpregs;
#ifdef HAVE_PT_GETXMMREGS
      char xmmregs[512];

      if (have_ptrace_xmmregs != 0
	  && ptrace(PT_GETXMMREGS, PIDGET (inferior_ptid),
		    (PTRACE_TYPE_ARG3) xmmregs, 0) == 0)
	{
	  have_ptrace_xmmregs = 1;

	  i387_collect_fxsave (regcache, regnum, xmmregs);

	  if (ptrace (PT_SETXMMREGS, PIDGET (inferior_ptid),
		      (PTRACE_TYPE_ARG3) xmmregs, 0) == -1)
            perror_with_name (_("Couldn't write XMM registers"));
	}
      else
	{
	  have_ptrace_xmmregs = 0;
#endif
          if (ptrace (PT_GETFPREGS, PIDGET (inferior_ptid),
		      (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
	    perror_with_name (_("Couldn't get floating point status"));

          i387_collect_fsave (regcache, regnum, &fpregs);

          if (ptrace (PT_SETFPREGS, PIDGET (inferior_ptid),
		      (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
	    perror_with_name (_("Couldn't write floating point status"));
#ifdef HAVE_PT_GETXMMREGS
        }
#endif
    }
}

Beispiel #4

Datei: i386v4-nat.c Projekt: ArmstrongJ/insight-debugger

void
fill_fpregset (const struct regcache *regcache,
	       fpregset_t *fpregsetp, int regno)
{
  if (gdbarch_fp0_regnum (get_regcache_arch (regcache)) == 0)
    return;

  i387_collect_fsave (regcache, regno, fpregsetp);
}

Beispiel #5

Datei: i386bsd-nat.c Projekt: ryo/netbsd-src

static void
i386bsd_store_inferior_registers (struct target_ops *ops,
				  struct regcache *regcache, int regnum)
{
  if (regnum == -1 || GETREGS_SUPPLIES (regnum))
    {
      struct reg regs;

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

      i386bsd_collect_gregset (regcache, &regs, regnum);

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

      if (regnum != -1)
	return;
    }

  if (regnum == -1 || regnum >= I386_ST0_REGNUM)
    {
      struct fpreg fpregs;
#ifdef HAVE_PT_GETXMMREGS
      char xmmregs[512];
#endif

#ifdef PT_GETXSTATE_INFO
      if (x86bsd_xsave_len != 0)
	{
	  void *xstateregs;

	  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"));

	  i387_collect_xsave (regcache, -1, 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

#ifdef HAVE_PT_GETXMMREGS
      if (have_ptrace_xmmregs != 0
	  && ptrace(PT_GETXMMREGS, get_ptrace_pid (inferior_ptid),
		    (PTRACE_TYPE_ARG3) xmmregs, ptid_get_lwp (inferior_ptid)) == 0)
	{
	  have_ptrace_xmmregs = 1;

	  i387_collect_fxsave (regcache, regnum, xmmregs);

	  if (ptrace (PT_SETXMMREGS, get_ptrace_pid (inferior_ptid),
		      (PTRACE_TYPE_ARG3) xmmregs, ptid_get_lwp (inferior_ptid)) == -1)
            perror_with_name (_("Couldn't write XMM registers"));
	}
      else
	{
	  have_ptrace_xmmregs = 0;
#endif
          if (ptrace (PT_GETFPREGS, get_ptrace_pid (inferior_ptid),
		      (PTRACE_TYPE_ARG3) &fpregs, ptid_get_lwp (inferior_ptid)) == -1)
	    perror_with_name (_("Couldn't get floating point status"));

          i387_collect_fsave (regcache, regnum, &fpregs);

          if (ptrace (PT_SETFPREGS, get_ptrace_pid (inferior_ptid),
		      (PTRACE_TYPE_ARG3) &fpregs, ptid_get_lwp (inferior_ptid)) == -1)
	    perror_with_name (_("Couldn't write floating point status"));
#ifdef HAVE_PT_GETXMMREGS
        }
#endif
    }
}

Beispiel #6

Datei: i386-linux-nat.c Projekt: mbref/binutils-gdb-microblaze

void
fill_fpregset (const struct regcache *regcache,
	       elf_fpregset_t *fpregsetp, int regno)
{
  i387_collect_fsave (regcache, regno, fpregsetp);
}