* gdbarch.sh (IEEE_FLOAT): New entry.
* gdbarch.c, gdbarch.h: Regenerated.
* valprint.c (IEEE_FLOAT): Provide a default #definition for this.
(print_floating): Use IEEE_FLOAT as if it were an expression; use
the code specific to IEEE-format numbers whenever the value of
IEEE_FLOAT is non-zero.
* config/a29k/tm-a29k.h, config/alpha/tm-alpha.h,
config/arc/tm-arc.h, config/arm/tm-arm.h, config/fr30/tm-fr30.h,
config/h8300/tm-h8300.h, config/i386/tm-i386.h,
config/i960/tm-i960.h, config/m88k/tm-m88k.h,
config/mips/tm-mips.h, config/pa/tm-hppa.h,
config/sparc/tm-sparc.h, config/delta/tm-delta.h,
config/frv/tm-frv.h (IEEE_FLOAT): For all ports that #define
IEEE_FLOAT, make sure they give it the value (1).
#define TARGET_BYTE_ORDER BIG_ENDIAN
/* Floating point uses IEEE representations. */
-#define IEEE_FLOAT
+#define IEEE_FLOAT (1)
/* Recognize our magic number. */
#define BADMAG(x) ((x).f_magic != 0572)
#define TARGET_PTR_BIT 64
/* Floating point is IEEE compliant */
-#define IEEE_FLOAT
+#define IEEE_FLOAT (1)
/* Number of traps that happen between exec'ing the shell
* to run an inferior, and when we finally get to
#define TARGET_BYTE_ORDER_SELECTABLE
/* We have IEEE floating point, if we have any float at all. */
-#define IEEE_FLOAT
+#define IEEE_FLOAT (1)
/* Offset from address of function to start of its code.
Zero on most machines. */
#define TARGET_BYTE_ORDER_DEFAULT LITTLE_ENDIAN
/* IEEE format floating point. */
-#define IEEE_FLOAT
+#define IEEE_FLOAT (1)
#define TARGET_DOUBLE_FORMAT (target_byte_order == BIG_ENDIAN \
? &floatformat_ieee_double_big \
: &floatformat_ieee_double_littlebyte_bigword)
#define TARGET_FR30
/* IEEE format floating point */
-#define IEEE_FLOAT
+#define IEEE_FLOAT (1)
/* Define other aspects of the stack frame. */
extern void h8300_init_extra_frame_info ();
-#define IEEE_FLOAT
+#define IEEE_FLOAT (1)
/* Define the bit, byte, and word ordering of the machine. */
#define TARGET_BYTE_ORDER BIG_ENDIAN
#undef TARGET_INT_BIT
#define GDB_TARGET_IS_H8500
-#define IEEE_FLOAT 1
+#define IEEE_FLOAT (1)
/* Define the bit, byte, and word ordering of the machine. */
/* Used for example in valprint.c:print_floating() to enable checking
for NaN's */
-#define IEEE_FLOAT
+#define IEEE_FLOAT (1)
/* Number of traps that happen between exec'ing the shell to run an
inferior, and when we finally get to the inferior code. This is 2
/* We have IEEE floating point, if we have any float at all. */
-#define IEEE_FLOAT
+#define IEEE_FLOAT (1)
/* Offset from address of function to start of its code.
Zero on most machines. */
/* Generic 68000 stuff, to be included by other tm-*.h files. */
-#define IEEE_FLOAT 1
+#define IEEE_FLOAT (1)
/* Define the bit, byte, and word ordering of the machine. */
#define TARGET_BYTE_ORDER BIG_ENDIAN
init_extra_frame_info (fromleaf, fi)
extern void init_extra_frame_info ();
-#define IEEE_FLOAT
+#define IEEE_FLOAT (1)
/* Offset from address of function to start of its code.
Zero on most machines. */
#endif
/* Floating point is IEEE compliant */
-#define IEEE_FLOAT
+#define IEEE_FLOAT (1)
/* The name of the usual type of MIPS processor that is in the target
system. */
/* Watch out for NaNs */
-#define IEEE_FLOAT
+#define IEEE_FLOAT (1)
/* On the PA, any pass-by-value structure > 8 bytes is actually
passed via a pointer regardless of its type or the compiler
#define GDB_TARGET_IS_SH
-#define IEEE_FLOAT 1
+#define IEEE_FLOAT (1)
/* Define the bit, byte, and word ordering of the machine. */
#define TARGET_BYTE_ORDER BIG_ENDIAN
/* Floating point is IEEE compatible. */
-#define IEEE_FLOAT
+#define IEEE_FLOAT (1)
/* If an argument is declared "register", Sun cc will keep it in a register,
never saving it onto the stack. So we better not believe the "p" symbol
#define GDB_TARGET_IS_W65
-#define IEEE_FLOAT 1
+#define IEEE_FLOAT (1)
/* Define the bit, byte, and word ordering of the machine. */
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
-#define IEEE_FLOAT 1
+#define IEEE_FLOAT (1)
#undef TARGET_INT_BIT
#undef TARGET_LONG_BIT
int float_bit;
int double_bit;
int long_double_bit;
+ int ieee_float;
gdbarch_read_pc_ftype *read_pc;
gdbarch_write_pc_ftype *write_pc;
gdbarch_read_fp_ftype *read_fp;
0,
0,
0,
+ 0,
generic_get_saved_register,
0,
0,
/* Force the explicit initialization of these. */
gdbarch->bfd_vma_bit = TARGET_ARCHITECTURE->bits_per_address;
+ gdbarch->ieee_float = 1;
gdbarch->num_regs = -1;
gdbarch->sp_regnum = -1;
gdbarch->fp_regnum = -1;
if ((GDB_MULTI_ARCH >= 1)
&& (gdbarch->long_double_bit == 0))
internal_error ("gdbarch: verify_gdbarch: long_double_bit invalid");
+ /* Skip verify of ieee_float, invalid_p == 0 */
if ((GDB_MULTI_ARCH >= 1)
&& (gdbarch->read_pc == 0))
internal_error ("gdbarch: verify_gdbarch: read_pc invalid");
fprintf_unfiltered (gdb_stdlog,
"gdbarch_update: TARGET_LONG_DOUBLE_BIT = %ld\n",
(long) TARGET_LONG_DOUBLE_BIT);
+ fprintf_unfiltered (gdb_stdlog,
+ "gdbarch_update: IEEE_FLOAT = %ld\n",
+ (long) IEEE_FLOAT);
fprintf_unfiltered (gdb_stdlog,
"gdbarch_update: TARGET_READ_PC = 0x%08lx\n",
(long) current_gdbarch->read_pc
gdbarch->long_double_bit = long_double_bit;
}
+int
+gdbarch_ieee_float (struct gdbarch *gdbarch)
+{
+ /* Skip verify of ieee_float, invalid_p == 0 */
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_ieee_float called\n");
+ return gdbarch->ieee_float;
+}
+
+void
+set_gdbarch_ieee_float (struct gdbarch *gdbarch,
+ int ieee_float)
+{
+ gdbarch->ieee_float = ieee_float;
+}
+
CORE_ADDR
gdbarch_read_pc (struct gdbarch *gdbarch, int pid)
{
#endif
#endif
+extern int gdbarch_ieee_float (struct gdbarch *gdbarch);
+extern void set_gdbarch_ieee_float (struct gdbarch *gdbarch, int ieee_float);
+#if GDB_MULTI_ARCH
+#if (GDB_MULTI_ARCH > 1) || !defined (IEEE_FLOAT)
+#define IEEE_FLOAT (gdbarch_ieee_float (current_gdbarch))
+#endif
+#endif
+
typedef CORE_ADDR (gdbarch_read_pc_ftype) (int pid);
extern CORE_ADDR gdbarch_read_pc (struct gdbarch *gdbarch, int pid);
extern void set_gdbarch_read_pc (struct gdbarch *gdbarch, gdbarch_read_pc_ftype *read_pc);
v:1:TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):0
v:1:TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):0
v:1:TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):0
+v:1:IEEE_FLOAT:int:ieee_float::::0:1:0
#
f:1:TARGET_READ_PC:CORE_ADDR:read_pc:int pid:pid::0:0
f:1:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, int pid:val, pid::0:0
cat <<EOF
#include "defs.h"
-#include "gdbarch-utils.h"
+#include "arch-utils.h"
#if GDB_MULTI_ARCH
#include "gdbcmd.h"
return (rtnval);
}
+
+/* Provide a default value for IEEE_FLOAT. */
+#ifndef IEEE_FLOAT
+#define IEEE_FLOAT (0)
+#endif
+
+
/* Print a floating point value of type TYPE, pointed to in GDB by VALADDR,
on STREAM. */
int inv;
unsigned len = TYPE_LENGTH (type);
-#if defined (IEEE_FLOAT)
-
/* Check for NaN's. Note that this code does not depend on us being
on an IEEE conforming system. It only depends on the target
machine using IEEE representation. This means (a)
cross-debugging works right, and (2) IEEE_FLOAT can (and should)
- be defined for systems like the 68881, which uses IEEE
+ be non-zero for systems like the 68881, which uses IEEE
representation, but is not IEEE conforming. */
+ if (IEEE_FLOAT)
+ {
+ unsigned long low, high;
+ /* Is the sign bit 0? */
+ int nonnegative;
+ /* Is it is a NaN (i.e. the exponent is all ones and
+ the fraction is nonzero)? */
+ int is_nan;
+
+ /* For lint, initialize these two variables to suppress warning: */
+ low = high = nonnegative = 0;
+ if (len == 4)
+ {
+ /* It's single precision. */
+ /* Assume that floating point byte order is the same as
+ integer byte order. */
+ low = extract_unsigned_integer (valaddr, 4);
+ nonnegative = ((low & 0x80000000) == 0);
+ is_nan = ((((low >> 23) & 0xFF) == 0xFF)
+ && 0 != (low & 0x7FFFFF));
+ low &= 0x7fffff;
+ high = 0;
+ }
+ else if (len == 8)
+ {
+ /* It's double precision. Get the high and low words. */
- {
- unsigned long low, high;
- /* Is the sign bit 0? */
- int nonnegative;
- /* Is it is a NaN (i.e. the exponent is all ones and
- the fraction is nonzero)? */
- int is_nan;
-
- /* For lint, initialize these two variables to suppress warning: */
- low = high = nonnegative = 0;
- if (len == 4)
- {
- /* It's single precision. */
- /* Assume that floating point byte order is the same as
- integer byte order. */
- low = extract_unsigned_integer (valaddr, 4);
- nonnegative = ((low & 0x80000000) == 0);
- is_nan = ((((low >> 23) & 0xFF) == 0xFF)
- && 0 != (low & 0x7FFFFF));
- low &= 0x7fffff;
- high = 0;
- }
- else if (len == 8)
- {
- /* It's double precision. Get the high and low words. */
-
- /* Assume that floating point byte order is the same as
- integer byte order. */
- if (TARGET_BYTE_ORDER == BIG_ENDIAN)
- {
- low = extract_unsigned_integer (valaddr + 4, 4);
- high = extract_unsigned_integer (valaddr, 4);
- }
- else
- {
- low = extract_unsigned_integer (valaddr, 4);
- high = extract_unsigned_integer (valaddr + 4, 4);
- }
- nonnegative = ((high & 0x80000000) == 0);
- is_nan = (((high >> 20) & 0x7ff) == 0x7ff
- && !((((high & 0xfffff) == 0)) && (low == 0)));
- high &= 0xfffff;
- }
- else
- {
+ /* Assume that floating point byte order is the same as
+ integer byte order. */
+ if (TARGET_BYTE_ORDER == BIG_ENDIAN)
+ {
+ low = extract_unsigned_integer (valaddr + 4, 4);
+ high = extract_unsigned_integer (valaddr, 4);
+ }
+ else
+ {
+ low = extract_unsigned_integer (valaddr, 4);
+ high = extract_unsigned_integer (valaddr + 4, 4);
+ }
+ nonnegative = ((high & 0x80000000) == 0);
+ is_nan = (((high >> 20) & 0x7ff) == 0x7ff
+ && !((((high & 0xfffff) == 0)) && (low == 0)));
+ high &= 0xfffff;
+ }
+ else
+ {
#ifdef TARGET_ANALYZE_FLOATING
- TARGET_ANALYZE_FLOATING;
+ TARGET_ANALYZE_FLOATING;
#else
- /* Extended. We can't detect extended NaNs for this target.
- Also note that currently extendeds get nuked to double in
- REGISTER_CONVERTIBLE. */
- is_nan = 0;
+ /* Extended. We can't detect extended NaNs for this target.
+ Also note that currently extendeds get nuked to double in
+ REGISTER_CONVERTIBLE. */
+ is_nan = 0;
#endif
- }
-
- if (is_nan)
- {
- /* The meaning of the sign and fraction is not defined by IEEE.
- But the user might know what they mean. For example, they
- (in an implementation-defined manner) distinguish between
- signaling and quiet NaN's. */
- if (high)
- fprintf_filtered (stream, "-NaN(0x%lx%.8lx)" + !!nonnegative,
- high, low);
- else
- fprintf_filtered (stream, "-NaN(0x%lx)" + nonnegative, low);
- return;
- }
- }
-#endif /* IEEE_FLOAT. */
+ }
+
+ if (is_nan)
+ {
+ /* The meaning of the sign and fraction is not defined by IEEE.
+ But the user might know what they mean. For example, they
+ (in an implementation-defined manner) distinguish between
+ signaling and quiet NaN's. */
+ if (high)
+ fprintf_filtered (stream, "-NaN(0x%lx%.8lx)" + !!nonnegative,
+ high, low);
+ else
+ fprintf_filtered (stream, "-NaN(0x%lx)" + nonnegative, low);
+ return;
+ }
+ }
doub = unpack_double (type, valaddr, &inv);
if (inv)
projects / binutils-gdb.git / commitdiff