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-rw-r--r--gdb/sh-tdep.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/gdb/sh-tdep.c b/gdb/sh-tdep.c
index 7ac5b9e..c5e5bf4 100644
--- a/gdb/sh-tdep.c
+++ b/gdb/sh-tdep.c
@@ -884,7 +884,14 @@ sh_saved_pc_after_call (struct frame_info *frame)
static int
sh_use_struct_convention (int gcc_p, struct type *type)
{
+#if 0
return (TYPE_LENGTH (type) > 1);
+#else
+ int len = TYPE_LENGTH (type);
+ int nelem = TYPE_NFIELDS (type);
+ return ((len != 1 && len != 2 && len != 4 && len != 8) || nelem != 1) &&
+ (len != 8 || TYPE_LENGTH (TYPE_FIELD_TYPE (type, 0)) != 4);
+#endif
}
static int
@@ -2045,8 +2052,11 @@ sh_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
if (len < 4)
{
/* value gets right-justified in the register or stack word */
- memcpy (valbuf + (4 - len),
- (char *) VALUE_CONTENTS (args[argnum]), len);
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ memcpy (valbuf + (4 - len),
+ (char *) VALUE_CONTENTS (args[argnum]), len);
+ else
+ memcpy (valbuf, (char *) VALUE_CONTENTS (args[argnum]), len);
val = valbuf;
}
else
@@ -2457,8 +2467,11 @@ sh_default_store_return_value (struct type *type, char *valbuf)
{
/* Add leading zeros to the value. */
memset (buf, 0, REGISTER_RAW_SIZE (R0_REGNUM));
- memcpy (buf + REGISTER_RAW_SIZE (R0_REGNUM) - TYPE_LENGTH (type),
- valbuf, TYPE_LENGTH (type));
+ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ memcpy (buf + REGISTER_RAW_SIZE (R0_REGNUM) - TYPE_LENGTH (type),
+ valbuf, TYPE_LENGTH (type));
+ else
+ memcpy (buf, valbuf, TYPE_LENGTH (type));
write_register_bytes (REGISTER_BYTE (R0_REGNUM), buf,
REGISTER_RAW_SIZE (R0_REGNUM));
}
@@ -4544,7 +4557,7 @@ sh_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_long_long_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_float_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
- set_gdbarch_long_double_bit (gdbarch, 16 * TARGET_CHAR_BIT);/*??should be 8?*/
+ set_gdbarch_long_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_use_generic_dummy_frames (gdbarch, 1);
set_gdbarch_call_dummy_length (gdbarch, 0);