/* IEEE floating point support declarations, for GDB, the GNU Debugger.
- Copyright 1991, 1994, 1995, 1997, 2000, 2003, 2005
- Free Software Foundation, Inc.
+ Copyright (C) 1991-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "ansidecl.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/* A floatformat consists of a sign bit, an exponent and a mantissa. Once the
bytes are concatenated according to the byteorder flag, then each of those
fields is contiguous. We number the bits with 0 being the most significant
/* Validator method. */
int (*is_valid) (const struct floatformat *fmt, const void *from);
+
+ /* Is the format actually the sum of two smaller floating point
+ formats (IBM long double, as described in
+ gcc/config/rs6000/darwin-ldouble-format)? If so, this is the
+ smaller format in question, and the fields sign_start through
+ intbit describe the first half. If not, this is NULL. */
+ const struct floatformat *split_half;
};
/* floatformats for IEEE single and double, big and little endian. */
+extern const struct floatformat floatformat_ieee_half_big;
+extern const struct floatformat floatformat_ieee_half_little;
extern const struct floatformat floatformat_ieee_single_big;
extern const struct floatformat floatformat_ieee_single_little;
extern const struct floatformat floatformat_ieee_double_big;
extern const struct floatformat floatformat_ia64_spill_little;
extern const struct floatformat floatformat_ia64_quad_big;
extern const struct floatformat floatformat_ia64_quad_little;
+/* IBM long double (double+double). */
+extern const struct floatformat floatformat_ibm_long_double_big;
+extern const struct floatformat floatformat_ibm_long_double_little;
/* Convert from FMT to a double.
FROM is the address of the extended float.
extern int
floatformat_is_valid (const struct floatformat *fmt, const void *from);
+#ifdef __cplusplus
+}
+#endif
+
#endif /* defined (FLOATFORMAT_H) */