C++ (Cpp) sparc_collect_rwindow Beispiele

Beispiel #1

Datei: sparcobsd-tdep.c Projekt: 5kg/gdb

static void
sparc32obsd_collect_uthread(const struct regcache *regcache,
			    int regnum, CORE_ADDR addr)
{
  struct gdbarch *gdbarch = get_regcache_arch (regcache);
  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
  CORE_ADDR sp;
  gdb_byte buf[4];

  gdb_assert (regnum >= -1);

  if (regnum == SPARC_SP_REGNUM || regnum == -1)
    {
      CORE_ADDR fp_addr = addr + SPARC32OBSD_UTHREAD_FP_OFFSET;

      regcache_raw_collect (regcache, SPARC_SP_REGNUM, buf);
      write_memory (fp_addr,buf, 4);
    }

  if (regnum == SPARC32_PC_REGNUM || regnum == -1)
    {
      CORE_ADDR i7, i7_addr = addr + SPARC32OBSD_UTHREAD_PC_OFFSET;

      regcache_raw_collect (regcache, SPARC32_PC_REGNUM, buf);
      i7 = extract_unsigned_integer (buf, 4, byte_order) - 8;
      write_memory_unsigned_integer (i7_addr, 4, byte_order, i7);

      if (regnum == SPARC32_PC_REGNUM)
	return;
    }

  regcache_raw_collect (regcache, SPARC_SP_REGNUM, buf);
  sp = extract_unsigned_integer (buf, 4, byte_order);
  sparc_collect_rwindow (regcache, sp, regnum);
}

Beispiel #2

Datei: sparc64obsd-tdep.c Projekt: 3125788/android_toolchain_gdb

static void
sparc64obsd_collect_uthread(const struct regcache *regcache,
			    int regnum, CORE_ADDR addr)
{
  CORE_ADDR sp;
  gdb_byte buf[8];

  gdb_assert (regnum >= -1);

  if (regnum == SPARC_SP_REGNUM || regnum == -1)
    {
      CORE_ADDR fp_addr = addr + SPARC64OBSD_UTHREAD_FP_OFFSET;

      regcache_raw_collect (regcache, SPARC_SP_REGNUM, buf);
      write_memory (fp_addr,buf, 8);
    }

  if (regnum == SPARC64_PC_REGNUM || regnum == -1)
    {
      CORE_ADDR i7, i7_addr = addr + SPARC64OBSD_UTHREAD_PC_OFFSET;

      regcache_raw_collect (regcache, SPARC64_PC_REGNUM, buf);
      i7 = extract_unsigned_integer (buf, 8) - 8;
      write_memory_unsigned_integer (i7_addr, 8, i7);

      if (regnum == SPARC64_PC_REGNUM)
	return;
    }

  regcache_raw_collect (regcache, SPARC_SP_REGNUM, buf);
  sp = extract_unsigned_integer (buf, 8);
  sparc_collect_rwindow (regcache, sp, regnum);
}

Beispiel #3

Datei: sparc-nat.c Projekt: Claruarius/stblinux-2.6.37

void
sparc_store_inferior_registers (struct target_ops *ops,
				struct regcache *regcache, int regnum)
{
  struct gdbarch *gdbarch = get_regcache_arch (regcache);
  int pid;

  /* NOTE: cagney/2002-12-02: See comment in fetch_inferior_registers
     about threaded assumptions.  */
  pid = TIDGET (inferior_ptid);
  if (pid == 0)
    pid = PIDGET (inferior_ptid);

  if (regnum == -1 || sparc_gregset_supplies_p (gdbarch, regnum))
    {
      gregset_t regs;

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

      sparc_collect_gregset (sparc_gregset, regcache, regnum, &regs);

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

      /* Deal with the stack regs.  */
      if (regnum == -1 || regnum == SPARC_SP_REGNUM
	  || (regnum >= SPARC_L0_REGNUM && regnum <= SPARC_I7_REGNUM))
	{
	  ULONGEST sp;

	  regcache_cooked_read_unsigned (regcache, SPARC_SP_REGNUM, &sp);
	  sparc_collect_rwindow (regcache, sp, regnum);
	}

      if (regnum != -1)
	return;
    }

  if (regnum == -1 || sparc_fpregset_supplies_p (gdbarch, regnum))
    {
      fpregset_t fpregs, saved_fpregs;

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

      memcpy (&saved_fpregs, &fpregs, sizeof (fpregs));
      sparc_collect_fpregset (regcache, regnum, &fpregs);

      /* Writing the floating-point registers will fail on NetBSD with
	 EINVAL if the inferior process doesn't have an FPU state
	 (i.e. if it didn't use the FPU yet).  Therefore we don't try
	 to write the registers if nothing changed.  */
      if (memcmp (&saved_fpregs, &fpregs, sizeof (fpregs)) != 0)
	{
	  if (ptrace (PTRACE_SETFPREGS, pid,
		      (PTRACE_TYPE_ARG3) &fpregs, 0) == -1)
	    perror_with_name (_("Couldn't write floating-point registers"));
	}

      if (regnum != -1)
	return;
    }
}