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-rw-r--r--gdb/config/i386/tm-go32.h182
1 files changed, 24 insertions, 158 deletions
diff --git a/gdb/config/i386/tm-go32.h b/gdb/config/i386/tm-go32.h
index 5793552..3db97f9 100644
--- a/gdb/config/i386/tm-go32.h
+++ b/gdb/config/i386/tm-go32.h
@@ -18,108 +18,10 @@
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#include "i386/tm-i386v.h"
-
-/* Number of machine registers. */
-
-#undef NUM_FREGS
-#define NUM_FREGS 15
-#undef NUM_REGS
-#define NUM_REGS (16+NUM_FREGS)
-
-/* Initializer for an array of names of registers. There should be
- NUM_REGS strings in this initializer. */
-
-/* The order of the first 8 registers must match the compiler's
- numbering scheme (which is the same as the 386 scheme). */
-
-#undef REGISTER_NAMES
-#define REGISTER_NAMES { "eax", "ecx", "edx", "ebx", \
- "esp", "ebp", "esi", "edi", \
- "eip", "eflags","cs", "ss", \
- "ds", "es", "fs", "gs", \
- "st0", "st1", "st2", "st3", \
- "st4", "st5", "st6", "st7", \
- "fctrl","fstat", "ftag", "fcs", \
- "fopsel","fip", "fopoff" }
-
-#undef FP_REGNUM
-#define FP_REGNUM 5 /* (ebp) Contains addr of stack frame */
-#undef SP_REGNUM
-#define SP_REGNUM 4 /* (usp) Contains address of top of stack */
-#undef PS_REGNUM
-#define PS_REGNUM 9 /* (ps) Contains processor status */
-#undef PC_REGNUM
-#define PC_REGNUM 8 /* (eip) Contains program counter */
-#undef FP0_REGNUM
-#define FP0_REGNUM 16 /* Floating point register 0 */
-#undef FPC_REGNUM
-#define FPC_REGNUM 24 /* 80387 control register */
-#undef FPCWD_REGNUM
-#define FPCWD_REGNUM FPC_REGNUM
-#undef FPSWD_REGNUM
-#define FPSWD_REGNUM 25 /* 80387 status register */
-#undef FPTWD_REGNUM
-#define FPTWD_REGNUM 26 /* 80387 tag register */
-#undef FPIPO_REGNUM
-#define FPIPO_REGNUM 29 /* 80387 instruction pointer offset reg */
-#undef FPIPS_REGNUM
-#define FPIPS_REGNUM 27 /* 80387 instruction pointer selector reg */
-#undef FPOOS_REGNUM
-#define FPOOS_REGNUM 30 /* 80387 operand pointer offset reg */
-#undef FPOPS_REGNUM
-#define FPOPS_REGNUM 28 /* 80387 operand pointer selector reg */
-
-/* Total amount of space needed to store our copies of the machine's
- register state, the array `registers'. */
-
-#undef REGISTER_BYTES
-#define REGISTER_BYTES (10*4 + 6*2 + 8*10 + 5*2 + 2*4)
-
-/* Index within `registers' of the first byte of the space for
- register N. */
-
-#undef REGISTER_BYTE
-#define REGBYTE_0 0
-#define REGBYTE_10 (REGBYTE_0+10*4)
-#define REGBYTE_16 (REGBYTE_10+6*2)
-#define REGBYTE_24 (REGBYTE_16+8*10)
-#define REGBYTE_29 (REGBYTE_24+5*2)
-#define REGISTER_BYTE(N) (((N) < 10) ? (N) * 4 : \
- (N) < 16 ? REGBYTE_10 +((N) - 10) * 2 : \
- (N) < 24 ? REGBYTE_16 +((N) - 16) * 10 : \
- (N) < 29 ? REGBYTE_24 +((N) - 24) * 2 : \
- REGBYTE_29 + ((N) - 29) * 4)
-
-/* Number of bytes of storage in the actual machine representation
- for register N. */
-
-#undef REGISTER_RAW_SIZE
-#define REGISTER_RAW_SIZE(N) ((N) < 10 ? 4 : (N) < 16 ? 2 : (N) < 24 ? 10 : \
- (N) < 29 ? 2 : 4)
-
-/* Number of bytes of storage in the program's representation
- for register N. */
-
-#undef REGISTER_VIRTUAL_SIZE
-#define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N)
-
-/* Largest value REGISTER_RAW_SIZE can have. */
-
-#undef MAX_REGISTER_RAW_SIZE
-#define MAX_REGISTER_RAW_SIZE 10
-
-/* Largest value REGISTER_VIRTUAL_SIZE can have. */
-
-#undef MAX_REGISTER_VIRTUAL_SIZE
-#define MAX_REGISTER_VIRTUAL_SIZE 10
-
-/* Nonzero if register N requires conversion
- from raw format to virtual format. */
-
-#undef REGISTER_CONVERTIBLE
-#define REGISTER_CONVERTIBLE(N) ((N) < FP0_REGNUM ? 0 :\
- (N) < FPC_REGNUM ? 1 : 0)
+#undef HAVE_SSE_REGS /* FIXME! go32-nat.c needs to support XMMi registers */
+#define HAVE_I387_REGS
+
+#include "i386/tm-i386.h"
/* The host and target are i386 machines and the compiler supports
long doubles. Long doubles on the host therefore have the same
@@ -142,70 +44,34 @@
extern int i387_hex_long_double_input (char *p, long double *putithere);
+#ifdef LD_I387 /* otherwise, definitions from tm-i386.h are good enough */
+
#undef REGISTER_CONVERT_TO_VIRTUAL
-#ifdef LD_I387
-#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \
-{ \
- if (TYPE == REGISTER_VIRTUAL_TYPE (REGNUM)) \
- { \
- memcpy (TO, FROM, TYPE_LENGTH (TYPE)); \
- } \
- else \
- { \
- long double val = *((long double *)FROM); \
- store_floating ((TO), TYPE_LENGTH (TYPE), val); \
- } \
+#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \
+{ \
+ long double val = *((long double *)(FROM)); \
+ store_floating ((TO), TYPE_LENGTH (TYPE), val); \
}
-#else
-/* Convert data from raw format for register REGNUM in buffer FROM to
- virtual format with type TYPE in buffer TO. */
-#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,TYPE,FROM,TO) \
-{ \
- double val; \
- i387_to_double ((FROM), (char *)&val); \
- store_floating ((TO), TYPE_LENGTH (TYPE), val); \
-}
-#endif
-
-extern void i387_to_double PARAMS ((char *, char *));
#undef REGISTER_CONVERT_TO_RAW
-#ifdef LD_I387
-#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \
-{ \
- if (TYPE == REGISTER_VIRTUAL_TYPE (REGNUM)) \
- { \
- memcpy (TO, FROM, TYPE_LENGTH (TYPE)); \
- } \
- else \
- { \
- long double val = extract_floating ((FROM), TYPE_LENGTH (TYPE)); \
- *((long double *)TO) = val; \
- } \
-}
-#else
-#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \
-{ \
- double val = extract_floating ((FROM), TYPE_LENGTH (TYPE)); \
- double_to_i387((char *)&val, (TO)); \
+#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \
+{ \
+ long double val = extract_floating ((FROM), TYPE_LENGTH (TYPE)); \
+ *((long double *)(TO)) = val; \
}
-#endif
-extern void double_to_i387 PARAMS ((char *, char *));
+/* Return the GDB type object for the "standard" data type of data in
+ register N. Perhaps si and di should go here, but potentially they
+ could be used for things other than address. */
-/* Return the GDB type object for the "standard" data type of data in
- register N. */
+#define REGISTER_VIRTUAL_TYPE(N) \
+ (((N) == PC_REGNUM || (N) == FP_REGNUM || (N) == SP_REGNUM) \
+ ? lookup_pointer_type (builtin_type_void) \
+ : IS_FP_REGNUM(N) ? builtin_type_long_double \
+ : IS_SSE_REGNUM(N) ? builtin_type_v4sf \
+ : builtin_type_int)
-#undef REGISTER_VIRTUAL_TYPE
-#ifdef LD_I387
-#define REGISTER_VIRTUAL_TYPE(N) \
- ((N < FP0_REGNUM) ? builtin_type_int : \
- (N < FPC_REGNUM) ? builtin_type_long_double : builtin_type_int)
-#else
-#define REGISTER_VIRTUAL_TYPE(N) \
- ((N < FP0_REGNUM) ? builtin_type_int : \
- (N < FPC_REGNUM) ? builtin_type_double : builtin_type_int)
-#endif
+#endif /* LD_I387 */
#undef TARGET_LONG_DOUBLE_BIT
#define TARGET_LONG_DOUBLE_BIT 96
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