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From 2001-07-23 Andreas Schwab <schwab@suse.de>: 

* config/m68k/tm-m68k.h (TARGET_LONG_DOUBLE_FORMAT): Define.
(TARGET_LONG_DOUBLE_BIT): Define.
(REGISTER_VIRTUAL_SIZE): Return 12 for floating point registers.
(MAX_REGISTER_VIRTUAL_SIZE): Increase to 12.
(REGISTER_VIRTUAL_TYPE): Return builtin_type_long_double for
floating point registers.
(REGISTER_CONVERTIBLE, REGISTER_CONVERT_TO_VIRTUAL)
(REGISTER_CONVERT_TO_RAW): Remove.
* config/m68k/xm-linux.h (HOST_LONG_DOUBLE_FORMAT): Define.
This commit is contained in:
Andrew Cagney 2001-07-28 20:05:15 +00:00
parent 5b7f31a409
commit 16f769f344
3 changed files with 24 additions and 34 deletions
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13
gdb/ChangeLog
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@ -1,3 +1,16 @@
2001-07-28 Andrew Cagney <ac131313@redhat.com>
From 2001-07-23 Andreas Schwab <schwab@suse.de>:
* config/m68k/tm-m68k.h (TARGET_LONG_DOUBLE_FORMAT): Define.
(TARGET_LONG_DOUBLE_BIT): Define.
(REGISTER_VIRTUAL_SIZE): Return 12 for floating point registers.
(MAX_REGISTER_VIRTUAL_SIZE): Increase to 12.
(REGISTER_VIRTUAL_TYPE): Return builtin_type_long_double for
floating point registers.
(REGISTER_CONVERTIBLE, REGISTER_CONVERT_TO_VIRTUAL)
(REGISTER_CONVERT_TO_RAW): Remove.
* config/m68k/xm-linux.h (HOST_LONG_DOUBLE_FORMAT): Define.
2001-07-26 Andrew Cagney <ac131313@redhat.com> 2001-07-26 Andrew Cagney <ac131313@redhat.com>
* thread.c, breakpoint.c: Include "gdb.h". * thread.c, breakpoint.c: Include "gdb.h".

43
gdb/config/m68k/tm-m68k.h
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@ -28,6 +28,10 @@
/* Define the bit, byte, and word ordering of the machine. */ /* Define the bit, byte, and word ordering of the machine. */
#define TARGET_BYTE_ORDER BIG_ENDIAN #define TARGET_BYTE_ORDER BIG_ENDIAN
#define TARGET_LONG_DOUBLE_FORMAT &floatformat_m68881_ext
#define TARGET_LONG_DOUBLE_BIT 96
/* Offset from address of function to start of its code. /* Offset from address of function to start of its code.
Zero on most machines. */ Zero on most machines. */
@ -137,9 +141,9 @@ extern void m68k_find_saved_regs (struct frame_info *,
/* Number of bytes of storage in the program's representation /* Number of bytes of storage in the program's representation
for register N. On the 68000, all regs are 4 bytes for register N. On the 68000, all regs are 4 bytes
except the floating point regs which are 8-byte doubles. */ except the floating point regs which are 12-byte long doubles. */
#define REGISTER_VIRTUAL_SIZE(N) (((unsigned)(N) - FP0_REGNUM) < 8 ? 8 : 4) #define REGISTER_VIRTUAL_SIZE(N) (((unsigned)(N) - FP0_REGNUM) < 8 ? 12 : 4)
/* Largest value REGISTER_RAW_SIZE can have. */ /* Largest value REGISTER_RAW_SIZE can have. */
@ -147,39 +151,10 @@ extern void m68k_find_saved_regs (struct frame_info *,
/* Largest value REGISTER_VIRTUAL_SIZE can have. */ /* Largest value REGISTER_VIRTUAL_SIZE can have. */
#define MAX_REGISTER_VIRTUAL_SIZE 8 #define MAX_REGISTER_VIRTUAL_SIZE 12
/* Nonzero if register N requires conversion
from raw format to virtual format. */
#define REGISTER_CONVERTIBLE(N) (((unsigned)(N) - FP0_REGNUM) < 8)
#include "floatformat.h"
/* 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) \
do \
{ \
DOUBLEST dbl_tmp_val; \
floatformat_to_doublest (&floatformat_m68881_ext, (FROM), &dbl_tmp_val); \
store_floating ((TO), TYPE_LENGTH (TYPE), dbl_tmp_val); \
} while (0)
/* Convert data from virtual format with type TYPE in buffer FROM
to raw format for register REGNUM in buffer TO. */
#define REGISTER_CONVERT_TO_RAW(TYPE,REGNUM,FROM,TO) \
do \
{ \
DOUBLEST dbl_tmp_val; \
dbl_tmp_val = extract_floating ((FROM), TYPE_LENGTH (TYPE)); \
floatformat_from_doublest (&floatformat_m68881_ext, &dbl_tmp_val, (TO)); \
} while (0)
/* Return the GDB type object for the "standard" data type of data /* Return the GDB type object for the "standard" data type of data
in register N. This should be int for D0-D7, double for FP0-FP7, in register N. This should be int for D0-D7, long double for FP0-FP7,
and void pointer for all others (A0-A7, PC, SR, FPCONTROL etc). and void pointer for all others (A0-A7, PC, SR, FPCONTROL etc).
Note, for registers which contain addresses return pointer to void, Note, for registers which contain addresses return pointer to void,
not pointer to char, because we don't want to attempt to print not pointer to char, because we don't want to attempt to print
@ -187,7 +162,7 @@ do \
#define REGISTER_VIRTUAL_TYPE(N) \ #define REGISTER_VIRTUAL_TYPE(N) \
((unsigned) (N) >= FPC_REGNUM ? lookup_pointer_type (builtin_type_void) : \ ((unsigned) (N) >= FPC_REGNUM ? lookup_pointer_type (builtin_type_void) : \
(unsigned) (N) >= FP0_REGNUM ? builtin_type_double : \ (unsigned) (N) >= FP0_REGNUM ? builtin_type_long_double : \
(unsigned) (N) >= A0_REGNUM ? lookup_pointer_type (builtin_type_void) : \ (unsigned) (N) >= A0_REGNUM ? lookup_pointer_type (builtin_type_void) : \
builtin_type_int) builtin_type_int)

2
gdb/config/m68k/xm-linux.h
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@ -29,6 +29,8 @@
to get the offset in the core file of the register values. */ to get the offset in the core file of the register values. */
#define KERNEL_U_ADDR 0x0 #define KERNEL_U_ADDR 0x0
#define HOST_LONG_DOUBLE_FORMAT &floatformat_m68881_ext
/* Need R_OK etc, but USG isn't defined. */ /* Need R_OK etc, but USG isn't defined. */
#include <unistd.h> #include <unistd.h>