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[RFA] Implement Cell BE SPU-specific vector type
- From: Markus Deuling <deuling at de dot ibm dot com>
- To: GDB Patches <gdb-patches at sourceware dot org>
- Date: Thu, 07 Dec 2006 12:06:46 +0100
- Subject: [RFA] Implement Cell BE SPU-specific vector type
Hello,
this patch adds a SPU-specific vector type to spu-tdep.c.
Ok to apply ?
ChangeLog:
* spu-tdep.c (spu_init_vector_type): New
Function. Implement SPU-specific vector type.
===================================================
diff -urN src/gdb/spu-tdep.c dev/gdb/spu-tdep.c
--- src/gdb/spu-tdep.c 2006-11-22 14:49:53.000000000 +0100
+++ dev/gdb/spu-tdep.c 2006-12-07 11:51:59.000000000 +0100
@@ -45,6 +45,8 @@
#include "spu-tdep.h"
+/* SPU-specific vector type. */
+struct type *spu_builtin_type_vec128;
/* Registers. */
@@ -84,7 +86,7 @@
spu_register_type (struct gdbarch *gdbarch, int reg_nr)
{
if (reg_nr < SPU_NUM_GPRS)
- return builtin_type_vec128;
+ return spu_builtin_type_vec128;
switch (reg_nr)
{
@@ -1016,6 +1018,28 @@
remove_single_step_breakpoints ();
}
+/* Implement a SPU-specific vector type as replacement
+ for __gdb_builtin_type_vec128. */
+static void
+spu_init_vector_type (void)
+{
+ struct type *type;
+
+ type = init_composite_type ("__spu_builtin_type_vec128",
TYPE_CODE_UNION);
+ append_composite_type_field (type, "uint128", builtin_type_int128);
+ append_composite_type_field (type, "v2_int64", builtin_type_v2_int64);
+ append_composite_type_field (type, "v2_double", builtin_type_v2_double);
+ append_composite_type_field (type, "v4_float", builtin_type_v4_float);
+ append_composite_type_field (type, "v4_int32", builtin_type_v4_int32);
+ append_composite_type_field (type, "v8_int16", builtin_type_v8_int16);
+ append_composite_type_field (type, "v16_int8", builtin_type_v16_int8);
+
+ TYPE_FLAGS (type) |= TYPE_FLAG_VECTOR;
+ TYPE_NAME (type) = "spu_builtin_type_vec128";
+ spu_builtin_type_vec128 = type;
+}
+
+
/* Set up gdbarch struct. */
@@ -1096,4 +1120,5 @@
_initialize_spu_tdep (void)
{
register_gdbarch_init (bfd_arch_spu, spu_gdbarch_init);
+ spu_init_vector_type ();
}
Regards,
Markus
--
Markus Deuling
GNU Toolchain for Linux on Cell BE
deuling@de.ibm.com