diff options
Diffstat (limited to 'gdb/defs.h')
| -rw-r--r-- | gdb/defs.h | 63 |
1 files changed, 41 insertions, 22 deletions
@@ -506,29 +506,48 @@ enum val_prettyprint #define TARGET_PTR_BIT TARGET_INT_BIT #endif -/* Convert a LONGEST to an int. This is used in contexts (e.g. number - of arguments to a function, number in a value history, register - number, etc.) where the value must not be larger than can fit - in an int. */ -#if !defined (longest_to_int) -#if defined (LONG_LONG) -#define longest_to_int(x) (((x) > INT_MAX || (x) < INT_MIN) \ - ? (error ("Value out of range."),0) : (int) (x)) -#else /* No LONG_LONG. */ -/* Assume sizeof (int) == sizeof (long). */ -#define longest_to_int(x) ((int) (x)) -#endif /* No LONG_LONG. */ -#endif /* No longest_to_int. */ - -/* This should not be a typedef, because "unsigned LONGEST" needs - to work. LONG_LONG is defined if the host has "long long". */ +/* Default to support for "long long" if the host compiler being used is gcc. + Config files must define CC_HAS_LONG_LONG to use other host compilers + that are capable of supporting "long long", and to cause gdb to use that + support. Not defining CC_HAS_LONG_LONG will suppress use of "long long" + regardless of what compiler is used. + + FIXME: For now, automatic selection of "long long" as the default when + gcc is used is disabled, pending further testing. Concerns include the + impact on gdb performance and the universality of bugfree long long + support on platforms that do have gcc. Compiling with FORCE_LONG_LONG + will select "long long" use for testing purposes. -fnf */ + +#ifndef CC_HAS_LONG_LONG +# if defined (__GNUC__) && defined (FORCE_LONG_LONG) /* See FIXME above */ +# define CC_HAS_LONG_LONG 1 +# endif +#endif + +/* LONGEST should not be a typedef, because "unsigned LONGEST" needs to work. + CC_HAS_LONG_LONG is defined if the host compiler supports "long long" + variables and we wish to make use of that support. */ #ifndef LONGEST -# ifdef LONG_LONG -# define LONGEST long long -# else -# define LONGEST long -# endif +# ifdef CC_HAS_LONG_LONG +# define LONGEST long long +# else +# define LONGEST long +# endif +#endif + +/* Convert a LONGEST to an int. This is used in contexts (e.g. number of + arguments to a function, number in a value history, register number, etc.) + where the value must not be larger than can fit in an int. */ + +#ifndef longest_to_int +# ifdef CC_HAS_LONG_LONG +# define longest_to_int(x) (((x) > INT_MAX || (x) < INT_MIN) \ + ? (error ("Value out of range."),0) : (int) (x)) +# else + /* Assume sizeof (int) == sizeof (long). */ +# define longest_to_int(x) ((int) (x)) +# endif #endif /* If we picked up a copy of CHAR_BIT from a configuration file @@ -653,7 +672,7 @@ strsignal PARAMS ((int)); #ifndef PSIGNAL_IN_SIGNAL_H extern void -psignal PARAMS ((unsigned, char *)); +psignal PARAMS ((unsigned, const char *)); #endif /* For now, we can't include <stdlib.h> because it conflicts with |