#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a, b) ((a) > (b) ? (a) : (b))
-/* The character C++ uses to build identifiers that must be unique from
+/* Gdb does *lots* of string compares. Use macros to speed them up by
+ avoiding function calls if the first characters are not the same. */
+
+#define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
+#define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
+#define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
+
+/* The character GNU C++ uses to build identifiers that must be unique from
the program's identifiers (such as $this and $$vptr). */
#define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
class_pseudo
};
+/* Languages represented in the symbol table and elsewhere.
+ This should probably be in language.h, but since enum's can't
+ be forward declared to satisfy opaque references before their
+ actual definition, needs to be here. */
+
+enum language
+{
+ language_unknown, /* Language not known */
+ language_auto, /* Placeholder for automatic setting */
+ language_c, /* C */
+ language_cplus, /* C++ */
+ language_chill, /* Chill */
+ language_m2 /* Modula-2 */
+};
+
/* the cleanup list records things that have to be undone
if an error happens (descriptors to be closed, memory to be freed, etc.)
Each link in the chain records a function to call and an
extern int
inside_main_func PARAMS ((CORE_ADDR pc));
-/* From cplus-dem.c */
+/* From ch-lang.c, for the moment. (FIXME) */
+
+extern char *
+chill_demangle PARAMS ((const char *));
+
+/* From libiberty.a */
extern char *
cplus_demangle PARAMS ((const char *, int));
/* From utils.c */
-extern char *
-demangle_and_match PARAMS ((const char *, const char *, int));
-
extern int
strcmp_iw PARAMS ((const char *, const char *));
safe_strsignal PARAMS ((int));
extern void
-init_malloc PARAMS ((PTR));
+init_malloc PARAMS ((void *));
extern void
request_quit PARAMS ((int));
extern void
gdb_printchar PARAMS ((int, FILE *, int));
-extern char *
-strdup_demangled PARAMS ((const char *));
-
-extern void
-fprint_symbol PARAMS ((FILE *, char *));
-
extern void
-fputs_demangled PARAMS ((char *, FILE *, int));
+fprintf_symbol_filtered PARAMS ((FILE *, char *, enum language, int));
extern void
perror_with_name PARAMS ((char *));
extern int
input_from_terminal_p PARAMS ((void));
-extern int
-catch_errors PARAMS ((int (*) (char *), char *, char *));
-
/* From printcmd.c */
extern void
extern unsigned input_radix;
extern unsigned output_radix;
-/* Baud rate specified for communication with serial target systems. */
-extern char *baud_rate;
-
-/* Languages represented in the symbol table and elsewhere.
- This should probably be in language.h, but since enum's can't
- be forward declared to satisfy opaque references before their
- actual definition, needs to be here. */
+/* Possibilities for prettyprint parameters to routines which print
+ things. Like enum language, this should be in value.h, but needs
+ to be here for the same reason. FIXME: If we can eliminate this
+ as an arg to LA_VAL_PRINT, then we can probably move it back to
+ value.h. */
-enum language
+enum val_prettyprint
{
- language_unknown, /* Language not known */
- language_auto, /* Placeholder for automatic setting */
- language_c, /* C */
- language_cplus, /* C++ */
- /* start-sanitize-chill */
- language_chill, /* Chill */
- /* end-sanitize-chill */
- language_m2 /* Modula-2 */
+ Val_no_prettyprint = 0,
+ Val_prettyprint,
+ /* Use the default setting which the user has specified. */
+ Val_pretty_default
};
\f
#endif /* STDC */
#endif /* volatile */
+#if 1
+#define NORETURN /*nothing*/
+#else /* not 1 */
+/* FIXME: This is bogus. Having "volatile void" mean a function doesn't
+ return is a gcc extension and should be based on #ifdef __GNUC__.
+ Also, as of Sep 93 I'm told gcc is changing the syntax for ansi
+ reasons (so declaring exit here as "volatile void" and as "void" in
+ a system header loses). Using the new "__attributes__ ((noreturn));"
+ syntax would lose for old versions of gcc; using
+ typedef void exit_fn_type PARAMS ((int));
+ volatile exit_fn_type exit;
+ would win. */
/* Some compilers (many AT&T SVR4 compilers for instance), do not accept
declarations of functions that never return (exit for instance) as
"volatile void". For such compilers "NORETURN" can be defined away
# define NORETURN volatile
# endif
#endif
+#endif /* not 1 */
/* Defaults for system-wide constants (if not defined by xm.h, we fake it). */
#if !defined (UINT_MAX)
-#define UINT_MAX 0xffffffff
-#endif
-
-#if !defined (LONG_MAX)
-#define LONG_MAX 0x7fffffff
+#define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
#endif
#if !defined (INT_MAX)
-#define INT_MAX 0x7fffffff
+#define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
#endif
#if !defined (INT_MIN)
-/* Two's complement, 32 bit. */
-#define INT_MIN -0x80000000
+#define INT_MIN (-INT_MAX - 1) /* 0x80000000 for 32-bits */
+#endif
+
+#if !defined (ULONG_MAX)
+#define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
+#endif
+
+#if !defined (LONG_MAX)
+#define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
#endif
/* Number of bits in a char or unsigned char for the target machine.
#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
+ (which may get it by including <limits.h>) then use it to set
+ the number of bits in a host char. If not, use the same size
+ as the target. */
+
+#if defined (CHAR_BIT)
+#define HOST_CHAR_BIT CHAR_BIT
+#else
+#define HOST_CHAR_BIT TARGET_CHAR_BIT
#endif
/* Assorted functions we can declare, now that const and volatile are
extern NORETURN void /* Does not return to the caller. */
nomem PARAMS ((long));
+/* Reasons for calling return_to_top_level. */
+enum return_reason {
+ /* User interrupt. */
+ RETURN_QUIT,
+
+ /* Any other error. */
+ RETURN_ERROR
+};
+
+#define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
+#define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
+#define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
+typedef int return_mask;
+
extern NORETURN void /* Does not return to the caller. */
-return_to_top_level PARAMS ((void));
+return_to_top_level PARAMS ((enum return_reason));
+
+extern int catch_errors PARAMS ((int (*) (char *), void *, char *,
+ return_mask));
extern void
warning_setup PARAMS ((void));
#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
#ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */
extern PTR
memcpy PARAMS ((void *, const void *, size_t)); /* 4.11.2.1 */
-#endif
extern int
memcmp PARAMS ((const void *, const void *, size_t)); /* 4.11.4.1 */
+#endif
extern char *
strchr PARAMS ((const char *, int)); /* 4.11.5.2 */
#define LITTLE_ENDIAN 1234
#endif
-/* Target-system-dependent parameters for GDB.
-
- The standard thing is to include defs.h. However, files that are
- specific to a particular target can define TM_FILE_OVERRIDE before
- including defs.h, then can include any particular tm-file they desire. */
+/* Target-system-dependent parameters for GDB. */
/* Target machine definition. This will be a symlink to one of the
tm-*.h files, built by the `configure' script. */
-#ifndef TM_FILE_OVERRIDE
#include "tm.h"
-#endif
/* The bit byte-order has to do just with numbering of bits in
debugging symbols and such. Conceptually, it's quite separate
#endif /* Little endian. */
#endif /* BITS_BIG_ENDIAN not defined. */
-/* Swap LEN bytes at BUFFER between target and host byte-order. */
+/* Swap LEN bytes at BUFFER between target and host byte-order. This is
+ the wrong way to do byte-swapping because it assumes that you have a way
+ to have a host variable of exactly the right size.
+ extract_* are the right way. */
#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER
#define SWAP_TARGET_AND_HOST(buffer,len)
#else /* Target and host byte order differ. */
}
#endif /* Target and host byte order differ. */
+/* In findvar.c. */
+LONGEST extract_signed_integer PARAMS ((void *, int));
+unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int));
+CORE_ADDR extract_address PARAMS ((void *, int));
+
+void store_signed_integer PARAMS ((void *, int, LONGEST));
+void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST));
+void store_address PARAMS ((void *, int, CORE_ADDR));
+\f
/* On some machines there are bits in addresses which are not really
part of the address, but are used by the kernel, the hardware, etc.
for special purposes. ADDR_BITS_REMOVE takes out any such bits
so we get a "real" address such as one would find in a symbol
table. ADDR_BITS_SET sets those bits the way the system wants
- them. */
+ them. This is used only for addresses of instructions, and even then
+ I'm not sure it's used in all contexts. It exists to deal with there
+ being a few stray bits in the PC which would mislead us, not as some sort
+ of generic thing to handle alignment or segmentation. */
#if !defined (ADDR_BITS_REMOVE)
#define ADDR_BITS_REMOVE(addr) (addr)
#define ADDR_BITS_SET(addr) (addr)
projects / deliverable / binutils-gdb.git / blobdiff