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-rw-r--r--gdb/config/a29k/tm-a29k.h2
-rw-r--r--gdb/config/alpha/tm-alpha.h2
-rw-r--r--gdb/config/arc/tm-arc.h2
-rw-r--r--gdb/config/arm/tm-arm.h2
-rw-r--r--gdb/config/fr30/tm-fr30.h2
-rw-r--r--gdb/config/h8300/tm-h8300.h2
-rw-r--r--gdb/config/h8500/tm-h8500.h2
-rw-r--r--gdb/config/i386/tm-i386.h2
-rw-r--r--gdb/config/i960/tm-i960.h2
-rw-r--r--gdb/config/m68k/tm-m68k.h2
-rw-r--r--gdb/config/m88k/tm-m88k.h2
-rw-r--r--gdb/config/mips/tm-mips.h2
-rw-r--r--gdb/config/pa/tm-hppa.h2
-rw-r--r--gdb/config/sh/tm-sh.h2
-rw-r--r--gdb/config/sparc/tm-sparc.h2
-rw-r--r--gdb/config/w65/tm-w65.h2
-rw-r--r--gdb/config/z8k/tm-z8k.h2
-rw-r--r--gdb/gdbarch.c23
-rw-r--r--gdb/gdbarch.h8
-rwxr-xr-xgdb/gdbarch.sh3
-rw-r--r--gdb/valprint.c144
21 files changed, 124 insertions, 88 deletions
diff --git a/gdb/config/a29k/tm-a29k.h b/gdb/config/a29k/tm-a29k.h
index 25a5bea74d0..7a884a4b563 100644
--- a/gdb/config/a29k/tm-a29k.h
+++ b/gdb/config/a29k/tm-a29k.h
@@ -31,7 +31,7 @@
#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)
diff --git a/gdb/config/alpha/tm-alpha.h b/gdb/config/alpha/tm-alpha.h
index d63dcc1296d..37559936923 100644
--- a/gdb/config/alpha/tm-alpha.h
+++ b/gdb/config/alpha/tm-alpha.h
@@ -42,7 +42,7 @@ struct symbol;
#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
diff --git a/gdb/config/arc/tm-arc.h b/gdb/config/arc/tm-arc.h
index 34fabaf4f3a..a6531a51adc 100644
--- a/gdb/config/arc/tm-arc.h
+++ b/gdb/config/arc/tm-arc.h
@@ -26,7 +26,7 @@
#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. */
diff --git a/gdb/config/arm/tm-arm.h b/gdb/config/arm/tm-arm.h
index e64b77633dd..ed8e80c7d58 100644
--- a/gdb/config/arm/tm-arm.h
+++ b/gdb/config/arm/tm-arm.h
@@ -31,7 +31,7 @@ struct value;
#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)
diff --git a/gdb/config/fr30/tm-fr30.h b/gdb/config/fr30/tm-fr30.h
index d289f6e3450..69c85aacaa6 100644
--- a/gdb/config/fr30/tm-fr30.h
+++ b/gdb/config/fr30/tm-fr30.h
@@ -186,7 +186,7 @@ extern void fr30_store_return_value PARAMS ((struct type * type, char *valbuf));
#define TARGET_FR30
/* IEEE format floating point */
-#define IEEE_FLOAT
+#define IEEE_FLOAT (1)
/* Define other aspects of the stack frame. */
diff --git a/gdb/config/h8300/tm-h8300.h b/gdb/config/h8300/tm-h8300.h
index 44b5e0d3e7a..8ee68162ff3 100644
--- a/gdb/config/h8300/tm-h8300.h
+++ b/gdb/config/h8300/tm-h8300.h
@@ -50,7 +50,7 @@ extern int h8300smode;
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
diff --git a/gdb/config/h8500/tm-h8500.h b/gdb/config/h8500/tm-h8500.h
index eb21a5c6fb1..070ac275042 100644
--- a/gdb/config/h8500/tm-h8500.h
+++ b/gdb/config/h8500/tm-h8500.h
@@ -22,7 +22,7 @@
#define GDB_TARGET_IS_H8500
-#define IEEE_FLOAT 1
+#define IEEE_FLOAT (1)
/* Define the bit, byte, and word ordering of the machine. */
diff --git a/gdb/config/i386/tm-i386.h b/gdb/config/i386/tm-i386.h
index bcb99fced41..33cb7f687b0 100644
--- a/gdb/config/i386/tm-i386.h
+++ b/gdb/config/i386/tm-i386.h
@@ -44,7 +44,7 @@ struct type;
/* 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
diff --git a/gdb/config/i960/tm-i960.h b/gdb/config/i960/tm-i960.h
index 73bb8dbfff4..1c25118d791 100644
--- a/gdb/config/i960/tm-i960.h
+++ b/gdb/config/i960/tm-i960.h
@@ -40,7 +40,7 @@
/* 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. */
diff --git a/gdb/config/m68k/tm-m68k.h b/gdb/config/m68k/tm-m68k.h
index c3574ee0a9a..03cf9b38f10 100644
--- a/gdb/config/m68k/tm-m68k.h
+++ b/gdb/config/m68k/tm-m68k.h
@@ -20,7 +20,7 @@
/* 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
diff --git a/gdb/config/m88k/tm-m88k.h b/gdb/config/m88k/tm-m88k.h
index 1acb83e9584..6effedc4436 100644
--- a/gdb/config/m88k/tm-m88k.h
+++ b/gdb/config/m88k/tm-m88k.h
@@ -43,7 +43,7 @@
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. */
diff --git a/gdb/config/mips/tm-mips.h b/gdb/config/mips/tm-mips.h
index 3b8330fb0e8..2f52fbe9815 100644
--- a/gdb/config/mips/tm-mips.h
+++ b/gdb/config/mips/tm-mips.h
@@ -58,7 +58,7 @@ struct value;
#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. */
diff --git a/gdb/config/pa/tm-hppa.h b/gdb/config/pa/tm-hppa.h
index 9307fa56721..975820a86ec 100644
--- a/gdb/config/pa/tm-hppa.h
+++ b/gdb/config/pa/tm-hppa.h
@@ -53,7 +53,7 @@ struct inferior_status;
/* 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
diff --git a/gdb/config/sh/tm-sh.h b/gdb/config/sh/tm-sh.h
index a3367131180..ad26ec17fac 100644
--- a/gdb/config/sh/tm-sh.h
+++ b/gdb/config/sh/tm-sh.h
@@ -27,7 +27,7 @@ struct type;
#define GDB_TARGET_IS_SH
-#define IEEE_FLOAT 1
+#define IEEE_FLOAT (1)
/* Define the bit, byte, and word ordering of the machine. */
diff --git a/gdb/config/sparc/tm-sparc.h b/gdb/config/sparc/tm-sparc.h
index 5419ecb88e2..29cf746ee1b 100644
--- a/gdb/config/sparc/tm-sparc.h
+++ b/gdb/config/sparc/tm-sparc.h
@@ -28,7 +28,7 @@ struct value;
#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
diff --git a/gdb/config/w65/tm-w65.h b/gdb/config/w65/tm-w65.h
index b1fe4eddceb..c8da6bf875c 100644
--- a/gdb/config/w65/tm-w65.h
+++ b/gdb/config/w65/tm-w65.h
@@ -22,7 +22,7 @@
#define GDB_TARGET_IS_W65
-#define IEEE_FLOAT 1
+#define IEEE_FLOAT (1)
/* Define the bit, byte, and word ordering of the machine. */
diff --git a/gdb/config/z8k/tm-z8k.h b/gdb/config/z8k/tm-z8k.h
index f781e0a868e..9cc12ec843a 100644
--- a/gdb/config/z8k/tm-z8k.h
+++ b/gdb/config/z8k/tm-z8k.h
@@ -18,7 +18,7 @@
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
diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c
index a1b02ace829..6b587608f10 100644
--- a/gdb/gdbarch.c
+++ b/gdb/gdbarch.c
@@ -135,6 +135,7 @@ struct gdbarch
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;
@@ -273,6 +274,7 @@ struct gdbarch startup_gdbarch = {
0,
0,
0,
+ 0,
generic_get_saved_register,
0,
0,
@@ -335,6 +337,7 @@ gdbarch_alloc (const struct gdbarch_info *info,
/* 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;
@@ -423,6 +426,7 @@ verify_gdbarch (struct gdbarch *gdbarch)
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");
@@ -656,6 +660,9 @@ gdbarch_dump (void)
"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
/*TARGET_READ_PC ()*/);
@@ -1120,6 +1127,22 @@ set_gdbarch_long_double_bit (struct gdbarch *gdbarch,
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)
{
diff --git a/gdb/gdbarch.h b/gdb/gdbarch.h
index f24c26e76f8..4f837c11768 100644
--- a/gdb/gdbarch.h
+++ b/gdb/gdbarch.h
@@ -171,6 +171,14 @@ extern void set_gdbarch_long_double_bit (struct gdbarch *gdbarch, int long_doubl
#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);
diff --git a/gdb/gdbarch.sh b/gdb/gdbarch.sh
index 9575e7fbac5..93d9871ec71 100755
--- a/gdb/gdbarch.sh
+++ b/gdb/gdbarch.sh
@@ -193,6 +193,7 @@ v:1:TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):0
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
@@ -815,7 +816,7 @@ copyright
cat <<EOF
#include "defs.h"
-#include "gdbarch-utils.h"
+#include "arch-utils.h"
#if GDB_MULTI_ARCH
#include "gdbcmd.h"
diff --git a/gdb/valprint.c b/gdb/valprint.c
index e1414792b79..455d7eed27b 100644
--- a/gdb/valprint.c
+++ b/gdb/valprint.c
@@ -561,6 +561,13 @@ longest_to_int (arg)
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. */
@@ -574,85 +581,82 @@ print_floating (valaddr, type, 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)
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