Print flags for %mxcsr on i386/amd64
Mark Kettenis
mark.kettenis@xs4all.nl
Sat Jan 21 21:00:00 GMT 2006
After this patch we printf flags for %mxcsr:
(gdb) info reg mxcsr
mxcsr 0x1f80 [ IM DM ZM OM UM PM ]
Committed,
Mark
Index: ChangeLog
from Mark Kettenis <kettenis@gnu.org>
* i386-tdep.c (i386_mxcsr_type): New variable.
(i386_init_types): Initialize i386_mxcsr_type.
(i386_register_type): Return i386_mxcsr_type for %mxcsr.
* i386-tdep.c (i386_mxcsr_type): New extern.
* amd64-tdep.c (amd64_register_info): Return i386_mxcsr_type for
%mxcsr.
Index: i386-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/i386-tdep.c,v
retrieving revision 1.221
diff -u -p -r1.221 i386-tdep.c
--- i386-tdep.c 18 Jan 2006 21:26:47 -0000 1.221
+++ i386-tdep.c 21 Jan 2006 20:57:20 -0000
@@ -1530,6 +1530,7 @@ struct type *i386_eflags_type;
/* Types for the MMX and SSE registers. */
struct type *i386_mmx_type;
struct type *i386_sse_type;
+struct type *i386_mxcsr_type;
/* Construct types for ISA-specific registers. */
static void
@@ -1602,6 +1603,23 @@ i386_init_types (void)
TYPE_FLAGS (type) |= TYPE_FLAG_VECTOR;
TYPE_NAME (type) = "builtin_type_vec128i";
i386_sse_type = type;
+
+ type = init_flags_type ("builtin_type_i386_mxcsr", 4);
+ append_flags_type_flag (type, 0, "IE");
+ append_flags_type_flag (type, 1, "DE");
+ append_flags_type_flag (type, 2, "ZE");
+ append_flags_type_flag (type, 3, "OE");
+ append_flags_type_flag (type, 4, "UE");
+ append_flags_type_flag (type, 5, "PE");
+ append_flags_type_flag (type, 6, "DAZ");
+ append_flags_type_flag (type, 7, "IM");
+ append_flags_type_flag (type, 8, "DM");
+ append_flags_type_flag (type, 9, "ZM");
+ append_flags_type_flag (type, 10, "OM");
+ append_flags_type_flag (type, 11, "UM");
+ append_flags_type_flag (type, 12, "PM");
+ append_flags_type_flag (type, 15, "FZ");
+ i386_mxcsr_type = type;
}
/* Return the GDB type object for the "standard" data type of data in
@@ -1623,11 +1641,20 @@ i386_register_type (struct gdbarch *gdba
if (i386_fp_regnum_p (regnum))
return builtin_type_i387_ext;
+ if (i386_mmx_regnum_p (gdbarch, regnum))
+ return i386_mmx_type;
+
if (i386_sse_regnum_p (gdbarch, regnum))
return i386_sse_type;
- if (i386_mmx_regnum_p (gdbarch, regnum))
- return i386_mmx_type;
+#define I387_ST0_REGNUM I386_ST0_REGNUM
+#define I387_NUM_XMM_REGS (gdbarch_tdep (current_gdbarch)->num_xmm_regs)
+
+ if (regnum == I387_MXCSR_REGNUM)
+ return i386_mxcsr_type;
+
+#undef I387_ST0_REGNUM
+#undef I387_NUM_XMM_REGS
return builtin_type_int;
}
Index: i386-tdep.h
===================================================================
RCS file: /cvs/src/src/gdb/i386-tdep.h,v
retrieving revision 1.45
diff -u -p -r1.45 i386-tdep.h
--- i386-tdep.h 18 Jan 2006 21:26:47 -0000 1.45
+++ i386-tdep.h 21 Jan 2006 20:57:20 -0000
@@ -154,6 +154,7 @@ enum i386_regnum
extern struct type *i386_eflags_type;
extern struct type *i386_mmx_type;
extern struct type *i386_sse_type;
+extern struct type *i386_mxcsr_type;
/* Segment selectors. */
#define I386_SEL_RPL 0x0003 /* Requester's Privilege Level mask. */
Index: amd64-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/amd64-tdep.c,v
retrieving revision 1.29
diff -u -p -r1.29 amd64-tdep.c
--- amd64-tdep.c 18 Jan 2006 21:26:47 -0000 1.29
+++ amd64-tdep.c 21 Jan 2006 20:57:21 -0000
@@ -121,7 +121,7 @@ static struct amd64_register_info const
{ "xmm13", &i386_sse_type },
{ "xmm14", &i386_sse_type },
{ "xmm15", &i386_sse_type },
- { "mxcsr", &builtin_type_int32 }
+ { "mxcsr", &i386_mxcsr_type }
};
/* Total number of registers. */
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