/* SPU target-dependent code for GDB, the GNU debugger.
- Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by Ulrich Weigand <uweigand@de.ibm.com>.
Based on a port by Sid Manning <sid@us.ibm.com>.
append_composite_type_field (t, "v16_int8",
init_vector_type (builtin_type_int8, 16));
append_composite_type_field (t, "v2_double",
- init_vector_type (builtin_type_double, 2));
+ init_vector_type (builtin_type (gdbarch)
+ ->builtin_double, 2));
append_composite_type_field (t, "v4_float",
- init_vector_type (builtin_type_float, 4));
+ init_vector_type (builtin_type (gdbarch)
+ ->builtin_float, 4));
TYPE_VECTOR (t) = 1;
TYPE_NAME (t) = "spu_builtin_type_vec128";
return builtin_type_uint32;
case SPU_PC_REGNUM:
- return builtin_type_void_func_ptr;
+ return builtin_type (gdbarch)->builtin_func_ptr;
case SPU_SP_REGNUM:
- return builtin_type_void_data_ptr;
+ return builtin_type (gdbarch)->builtin_data_ptr;
case SPU_FPSCR_REGNUM:
return builtin_type_uint128;
}
}
+ /* If we didn't find a frame, we cannot determine SP / return address. */
+ if (info->frame_base == 0)
+ return info;
+
/* The previous SP is equal to the CFA. */
trad_frame_set_value (info->saved_regs, SPU_SP_REGNUM, info->frame_base);
return sp & ~15;
}
+static CORE_ADDR
+spu_push_dummy_code (struct gdbarch *gdbarch, CORE_ADDR sp, CORE_ADDR funaddr,
+ struct value **args, int nargs, struct type *value_type,
+ CORE_ADDR *real_pc, CORE_ADDR *bp_addr,
+ struct regcache *regcache)
+{
+ /* Allocate space sufficient for a breakpoint, keeping the stack aligned. */
+ sp = (sp - 4) & ~15;
+ /* Store the address of that breakpoint */
+ *bp_addr = sp;
+ /* The call starts at the callee's entry point. */
+ *real_pc = funaddr;
+
+ return sp;
+}
+
static int
spu_scalar_value_p (struct type *type)
{
int nargs, struct value **args, CORE_ADDR sp,
int struct_return, CORE_ADDR struct_addr)
{
+ CORE_ADDR sp_delta;
int i;
int regnum = SPU_ARG1_REGNUM;
int stack_arg = -1;
regcache_cooked_read (regcache, SPU_RAW_SP_REGNUM, buf);
target_write_memory (sp, buf, 16);
- /* Finally, update the SP register. */
- regcache_cooked_write_unsigned (regcache, SPU_SP_REGNUM, sp);
+ /* Finally, update all slots of the SP register. */
+ sp_delta = sp - extract_unsigned_integer (buf, 4);
+ for (i = 0; i < 4; i++)
+ {
+ CORE_ADDR sp_slot = extract_unsigned_integer (buf + 4*i, 4);
+ store_unsigned_integer (buf + 4*i, 4, sp_slot + sp_delta);
+ }
+ regcache_cooked_write (regcache, SPU_RAW_SP_REGNUM, buf);
return sp;
}
/* Software single-stepping support. */
-int
+static int
spu_software_single_step (struct frame_info *frame)
{
CORE_ADDR pc, next_pc;
struct objfile *objfile;
ALL_OBJSECTIONS (objfile, osect)
- if (section_is_overlay (osect->the_bfd_section))
+ if (section_is_overlay (osect))
spu_overlay_update_osect (osect);
}
}
set_gdbarch_call_dummy_location (gdbarch, ON_STACK);
set_gdbarch_frame_align (gdbarch, spu_frame_align);
set_gdbarch_frame_red_zone_size (gdbarch, 2000);
+ set_gdbarch_push_dummy_code (gdbarch, spu_push_dummy_code);
set_gdbarch_push_dummy_call (gdbarch, spu_push_dummy_call);
set_gdbarch_dummy_id (gdbarch, spu_dummy_id);
set_gdbarch_return_value (gdbarch, spu_return_value);
return gdbarch;
}
+/* Provide a prototype to silence -Wmissing-prototypes. */
+extern initialize_file_ftype _initialize_spu_tdep;
+
void
_initialize_spu_tdep (void)
{