/* Target-dependent code for GDB, the GNU debugger.
Copyright (C) 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
+ 2010 Free Software Foundation, Inc.
This file is part of GDB.
from + offset);
}
+/* Always use hardware single-stepping to execute the
+ displaced instruction. */
+static int
+ppc_displaced_step_hw_singlestep (struct gdbarch *gdbarch,
+ struct displaced_step_closure *closure)
+{
+ return 1;
+}
+
/* Instruction masks used during single-stepping of atomic sequences. */
#define LWARX_MASK 0xfc0007fe
#define LWARX_INSTRUCTION 0x7c000028
ppc_deal_with_atomic_sequence (struct frame_info *frame)
{
struct gdbarch *gdbarch = get_frame_arch (frame);
+ struct address_space *aspace = get_frame_address_space (frame);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR pc = get_frame_pc (frame);
CORE_ADDR breaks[2] = {-1, -1};
/* Effectively inserts the breakpoints. */
for (index = 0; index <= last_breakpoint; index++)
- insert_single_step_breakpoint (gdbarch, breaks[index]);
+ insert_single_step_breakpoint (gdbarch, aspace, breaks[index]);
return 1;
}
type = union __ppc_builtin_type_vec128 {
uint128_t uint128;
+ double v2_double[2];
float v4_float[4];
int32_t v4_int32[4];
int16_t v8_int16[8];
t = arch_composite_type (gdbarch,
"__ppc_builtin_type_vec128", TYPE_CODE_UNION);
append_composite_type_field (t, "uint128", bt->builtin_uint128);
+ append_composite_type_field (t, "v2_double",
+ init_vector_type (bt->builtin_double, 2));
append_composite_type_field (t, "v4_float",
init_vector_type (bt->builtin_float, 4));
append_composite_type_field (t, "v4_int32",
int num_pseudoregs = 0;
int cur_reg;
+ /* INFO may refer to a binary that is not of the PowerPC architecture,
+ e.g. when debugging a stand-alone SPE executable on a Cell/B.E. system.
+ In this case, we must not attempt to infer properties of the (PowerPC
+ side) of the target system from properties of that executable. Trust
+ the target description instead. */
+ if (info.abfd
+ && bfd_get_arch (info.abfd) != bfd_arch_powerpc
+ && bfd_get_arch (info.abfd) != bfd_arch_rs6000)
+ info.abfd = NULL;
+
from_xcoff_exec = info.abfd && info.abfd->format == bfd_object &&
bfd_get_flavour (info.abfd) == bfd_target_xcoff_flavour;
/* Setup displaced stepping. */
set_gdbarch_displaced_step_copy_insn (gdbarch,
simple_displaced_step_copy_insn);
+ set_gdbarch_displaced_step_hw_singlestep (gdbarch,
+ ppc_displaced_step_hw_singlestep);
set_gdbarch_displaced_step_fixup (gdbarch, ppc_displaced_step_fixup);
set_gdbarch_displaced_step_free_closure (gdbarch,
simple_displaced_step_free_closure);