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[RFA] better alpha_register_virtual_type
- From: Richard Henderson <rth at twiddle dot net>
- To: gdb-patches at sources dot redhat dot com
- Date: Sun, 1 Jun 2003 22:03:58 -0700
- Subject: [RFA] better alpha_register_virtual_type
Ok?
r~
* alpha-tdep.c (alpha_register_virtual_type): Use void_data_ptr
for SP, GP; void_func_ptr for PC; non-language-specific types
for all others.
* alpha-tdep.h (ALPHA_GP_REGNUM): New.
Index: alpha-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/alpha-tdep.c,v
retrieving revision 1.95
diff -c -p -d -u -p -r1.95 alpha-tdep.c
--- alpha-tdep.c 2 Jun 2003 04:32:19 -0000 1.95
+++ alpha-tdep.c 2 Jun 2003 04:46:18 -0000
@@ -89,8 +89,17 @@ alpha_register_convertible (int regno)
static struct type *
alpha_register_virtual_type (int regno)
{
- return ((regno >= FP0_REGNUM && regno < (FP0_REGNUM+31))
- ? builtin_type_double : builtin_type_long);
+ if (regno == ALPHA_SP_REGNUM || regno == ALPHA_GP_REGNUM)
+ return builtin_type_void_data_ptr;
+ if (regno == ALPHA_PC_REGNUM)
+ return builtin_type_void_func_ptr;
+
+ /* Don't need to worry about little vs big endian until
+ some jerk tries to port to alpha-unicosmk. */
+ if (regno >= FP0_REGNUM && regno < FP0_REGNUM + 31)
+ return builtin_type_ieee_double_little;
+
+ return builtin_type_int64;
}
/* Is REGNUM a member of REGGROUP? */
Index: alpha-tdep.h
===================================================================
RCS file: /cvs/src/src/gdb/alpha-tdep.h,v
retrieving revision 1.15
diff -c -p -d -u -p -r1.15 alpha-tdep.h
--- alpha-tdep.h 1 Jun 2003 21:46:37 -0000 1.15
+++ alpha-tdep.h 2 Jun 2003 04:46:19 -0000
@@ -43,9 +43,10 @@
#define ALPHA_GCC_FP_REGNUM 15 /* Used by gcc as frame register */
#define ALPHA_A0_REGNUM 16 /* Loc of first arg during a subr call */
#define ALPHA_T9_REGNUM 23 /* Return address register for OSF/1 __div* */
+#define ALPHA_RA_REGNUM 26 /* Contains return address value */
#define ALPHA_T12_REGNUM 27 /* Contains start addr of current proc */
+#define ALPHA_GP_REGNUM 29 /* Contains the global pointer */
#define ALPHA_SP_REGNUM 30 /* Contains address of top of stack */
-#define ALPHA_RA_REGNUM 26 /* Contains return address value */
#define ALPHA_ZERO_REGNUM 31 /* Read-only register, always 0 */
#define ALPHA_FP0_REGNUM 32 /* Floating point register 0 */
#define ALPHA_FPA0_REGNUM 48 /* First float arg during a subr call */