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From Richard Henderson.

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* amd64-tdep.c (amd64_sse_type): New.
	(amd64_register_info): Use it for xmm registers.  Constify.
	(amd64_register_type): Initialize amd64_sse_type as needed.
This commit is contained in:
Daniel Jacobowitz
2005-07-03 17:30:22 +00:00
parent 60ca704fb6
commit 2f4535c7eb
2 changed files with 50 additions and 18 deletions
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62
gdb/amd64-tdep.c
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@@ -55,7 +55,9 @@ struct amd64_register_info
struct type **type;
};
static struct amd64_register_info amd64_register_info[] =
static struct type *amd64_sse_type;
static struct amd64_register_info const amd64_register_info[] =
{
{ "rax", &builtin_type_int64 },
{ "rbx", &builtin_type_int64 },
@@ -103,22 +105,22 @@ static struct amd64_register_info amd64_register_info[] =
{ "fop", &builtin_type_int32 },
/* %xmm0 is register number 40. */
{ "xmm0", &builtin_type_v4sf },
{ "xmm1", &builtin_type_v4sf },
{ "xmm2", &builtin_type_v4sf },
{ "xmm3", &builtin_type_v4sf },
{ "xmm4", &builtin_type_v4sf },
{ "xmm5", &builtin_type_v4sf },
{ "xmm6", &builtin_type_v4sf },
{ "xmm7", &builtin_type_v4sf },
{ "xmm8", &builtin_type_v4sf },
{ "xmm9", &builtin_type_v4sf },
{ "xmm10", &builtin_type_v4sf },
{ "xmm11", &builtin_type_v4sf },
{ "xmm12", &builtin_type_v4sf },
{ "xmm13", &builtin_type_v4sf },
{ "xmm14", &builtin_type_v4sf },
{ "xmm15", &builtin_type_v4sf },
{ "xmm0", &amd64_sse_type },
{ "xmm1", &amd64_sse_type },
{ "xmm2", &amd64_sse_type },
{ "xmm3", &amd64_sse_type },
{ "xmm4", &amd64_sse_type },
{ "xmm5", &amd64_sse_type },
{ "xmm6", &amd64_sse_type },
{ "xmm7", &amd64_sse_type },
{ "xmm8", &amd64_sse_type },
{ "xmm9", &amd64_sse_type },
{ "xmm10", &amd64_sse_type },
{ "xmm11", &amd64_sse_type },
{ "xmm12", &amd64_sse_type },
{ "xmm13", &amd64_sse_type },
{ "xmm14", &amd64_sse_type },
{ "xmm15", &amd64_sse_type },
{ "mxcsr", &builtin_type_int32 }
};
@@ -143,9 +145,33 @@ amd64_register_name (int regnum)
static struct type *
amd64_register_type (struct gdbarch *gdbarch, int regnum)
{
struct type *t;
gdb_assert (regnum >= 0 && regnum < AMD64_NUM_REGS);
return *amd64_register_info[regnum].type;
/* ??? Unfortunately, amd64_init_abi is called too early, and so we
cannot create the amd64_sse_type early enough to avoid any check
at this point. */
t = *amd64_register_info[regnum].type;
if (t != NULL)
return t;
gdb_assert (amd64_sse_type == NULL);
t = init_composite_type ("__gdb_builtin_type_vec128i", TYPE_CODE_UNION);
append_composite_type_field (t, "v4_float", builtin_type_v4_float);
append_composite_type_field (t, "v2_double", builtin_type_v2_double);
append_composite_type_field (t, "v16_int8", builtin_type_v16_int8);
append_composite_type_field (t, "v8_int16", builtin_type_v8_int16);
append_composite_type_field (t, "v4_int32", builtin_type_v4_int32);
append_composite_type_field (t, "v2_int64", builtin_type_v2_int64);
append_composite_type_field (t, "uint128", builtin_type_int128);
TYPE_FLAGS (t) |= TYPE_FLAG_VECTOR;
TYPE_NAME (t) = "builtin_type_vec128i";
amd64_sse_type = t;
return t;
}
/* DWARF Register Number Mapping as defined in the System V psABI,