#include <stdio.h>
/* First include ansidecl.h so we can use the various macro definitions
- in all subsequent file inclusions. FIXME: This inclusion can now
- be removed from all files that include defs.h */
+ here and in all subsequent file inclusions. */
#include "ansidecl.h"
-/* We could use the EXFUN macro in ansidecl.h to handle prototypes, but
- the name is misleading the the result is ugly. So just define a simple
- macro to handle the parameter lists. */
-
-#ifdef __STDC__
-#define PARAMS(paramlist) paramlist
-#else
-#define PARAMS(paramlist) ()
-#endif
-
/* An address in the program being debugged. Host byte order. */
typedef unsigned int CORE_ADDR;
#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 */
-extern int errno; /* System call error return status */
+#include <errno.h> /* System call error return status */
extern int quit_flag;
extern int immediate_quit;
+extern int sevenbit_strings;
extern void
quit PARAMS ((void));
#define QUIT { if (quit_flag) quit (); }
-/* Notes on classes: class_alias is for alias commands which are not
- abbreviations of the original command. */
+/* Command classes are top-level categories into which commands are broken
+ down for "help" purposes.
+ Notes on classes: class_alias is for alias commands which are not
+ abbreviations of the original command. class-pseudo is for commands
+ which are not really commands nor help topics ("stop"). */
enum command_class
{
/* Classes of commands */
no_class = -1, class_run = 0, class_vars, class_stack,
class_files, class_support, class_info, class_breakpoint,
- class_alias, class_obscure, class_user
+ class_alias, class_obscure, class_user, class_maintenance,
+ 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
/* From blockframe.c */
extern int
-inside_entry_scope PARAMS ((CORE_ADDR));
+inside_entry_func PARAMS ((CORE_ADDR));
extern int
-outside_startup_file PARAMS ((CORE_ADDR addr));
+inside_entry_file PARAMS ((CORE_ADDR addr));
extern int
-inside_main_scope PARAMS ((CORE_ADDR pc));
+inside_main_func PARAMS ((CORE_ADDR pc));
+
+/* From ch-lang.c, for the moment. (FIXME) */
-/* From cplus-dem.c */
+extern char *
+chill_demangle PARAMS ((const char *));
+
+/* From libiberty.a */
extern char *
cplus_demangle PARAMS ((const char *, int));
extern char *
cplus_mangle_opname PARAMS ((char *, int));
-/* From mmap-*.c */
+/* From libmmalloc.a (memory mapped malloc library) */
extern PTR
-mmap_malloc PARAMS ((long));
+mmalloc_attach PARAMS ((int, PTR));
extern PTR
-mmap_realloc PARAMS ((PTR, long));
+mmalloc_detach PARAMS ((PTR));
extern PTR
-mmap_xmalloc PARAMS ((long));
+mmalloc PARAMS ((PTR, long));
extern PTR
-mmap_xrealloc PARAMS ((PTR, long));
+mrealloc PARAMS ((PTR, PTR, long));
extern void
-mmap_free PARAMS ((PTR));
+mfree PARAMS ((PTR, PTR));
-extern PTR
-mmap_sbrk PARAMS ((int));
+extern int
+mmalloc_setkey PARAMS ((PTR, int, PTR));
extern PTR
-mmap_base PARAMS ((void));
+mmalloc_getkey PARAMS ((PTR, int));
-extern PTR
-mmap_page_align PARAMS ((PTR));
+/* From utils.c */
-extern PTR
-mmap_remap PARAMS ((PTR, long, int, long));
+extern int
+strcmp_iw PARAMS ((const char *, const char *));
-/* From utils.c */
+extern char *
+safe_strerror PARAMS ((int));
+
+extern char *
+safe_strsignal PARAMS ((int));
extern void
-init_malloc PARAMS ((void));
+init_malloc PARAMS ((PTR));
extern void
request_quit PARAMS ((int));
extern int
query ();
+extern void
+begin_line PARAMS ((void));
+
extern void
wrap_here PARAMS ((char *));
extern void
puts_filtered PARAMS ((char *));
+extern void
+vprintf_filtered ();
+
+extern void
+vfprintf_filtered ();
+
extern void
fprintf_filtered ();
+extern void
+fprintfi_filtered ();
+
extern void
printf_filtered ();
+extern void
+printfi_filtered ();
+
extern void
print_spaces PARAMS ((int, FILE *));
n_spaces PARAMS ((int));
extern void
-printchar PARAMS ((int, FILE *, int));
+gdb_printchar PARAMS ((int, FILE *, int));
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 *));
/* From main.c */
+extern char *
+skip_quoted PARAMS ((char *));
+
extern char *
gdb_readline PARAMS ((char *));
/* Baud rate specified for communication with serial target systems. */
extern char *baud_rate;
-/* Languages represented in the symbol table and elsewhere. */
+/* 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++ */
- language_m2 /* Modula-2 */
+ Val_no_prettyprint = 0,
+ Val_prettyprint,
+ /* Use the default setting which the user has specified. */
+ Val_pretty_default
};
-/* Return a format string for printf that will print a number in the local
- (language-specific) hexadecimal format. Result is static and is
- overwritten by the next call. local_hex_format_custom takes printf
- options like "08" or "l" (to produce e.g. %08x or %lx). */
-
-#define local_hex_format() (current_language->la_hex_format)
-
-extern char *
-local_hex_format_custom PARAMS ((char *)); /* language.c */
-
-/* Return a string that contains a number formatted in the local
- (language-specific) hexadecimal format. Result is static and is
- overwritten by the next call. local_hex_string_custom takes printf
- options like "08" or "l". */
-
-extern char *
-local_hex_string PARAMS ((int)); /* language.c */
-
-extern char *
-local_hex_string_custom PARAMS ((int, char *)); /* language.c */
-
\f
/* Host machine definition. This will be a symlink to one of the
xm-*.h files, built by the `configure' script. */
#include "xm.h"
+/* Native machine support. This will be a symlink to one of the
+ nm-*.h files, built by the `configure' script. */
+
+#include "nm.h"
+
+/* If the xm.h file did not define the mode string used to open the
+ files, assume that binary files are opened the same way as text
+ files */
+#ifndef FOPEN_RB
+#include "fopen-same.h"
+#endif
+
/*
* Allow things in gdb to be declared "const". If compiling ANSI, it
* just works. If compiling with gcc but non-ansi, redefine to __const__.
to keep them happy */
#ifndef NORETURN
-# define NORETURN volatile
+# ifdef __lucid
+# define NORETURN /*nothing*/
+# else
+# define NORETURN volatile
+# endif
#endif
/* 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.") : (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 char *
savestring PARAMS ((const char *, int));
+extern char *
+msavestring PARAMS ((void *, const char *, int));
+
extern char *
strsave PARAMS ((const char *));
+extern char *
+mstrsave PARAMS ((void *, const char *));
+
extern char *
concat PARAMS ((char *, ...));
xmalloc PARAMS ((long));
extern PTR
-xrealloc PARAMS ((char *, long));
+xrealloc PARAMS ((PTR, long));
+
+extern PTR
+xmmalloc PARAMS ((PTR, long));
+
+extern PTR
+xmrealloc PARAMS ((PTR, PTR, long));
+
+extern PTR
+mmalloc PARAMS ((PTR, long));
+
+extern PTR
+mrealloc PARAMS ((PTR, PTR, long));
+
+extern void
+mfree PARAMS ((PTR, PTR));
+
+extern int
+mmcheck PARAMS ((PTR, void (*) (void)));
+
+extern int
+mmtrace PARAMS ((void));
extern int
parse_escape PARAMS ((char **));
-extern char *reg_names[];
+extern const char * const reg_names[];
extern NORETURN void /* Does not return to the caller. */
error ();
extern NORETURN void /* Not specified as volatile in ... */
exit PARAMS ((int)); /* 4.10.4.3 */
+extern NORETURN void /* Does not return to the caller. */
+nomem PARAMS ((long));
+
extern NORETURN void /* Does not return to the caller. */
return_to_top_level PARAMS ((void));
basename PARAMS ((char *));
extern char *
-getenv PARAMS ((CONST char *));
+getenv PARAMS ((const char *));
extern char **
buildargv PARAMS ((char *));
extern void
freeargv PARAMS ((char **));
+extern char *
+strerrno PARAMS ((int));
+
+extern char *
+strsigno PARAMS ((int));
+
+extern int
+errno_max PARAMS ((void));
+
+extern int
+signo_max PARAMS ((void));
+
+extern int
+strtoerrno PARAMS ((char *));
+
+extern int
+strtosigno PARAMS ((char *));
+
+extern char *
+strsignal PARAMS ((int));
+
+/* From other system libraries */
+
+#ifndef PSIGNAL_IN_SIGNAL_H
+extern void
+psignal PARAMS ((unsigned, const char *));
+#endif
+
/* For now, we can't include <stdlib.h> because it conflicts with
"../include/getopt.h". (FIXME)
- However, since any prototypes for any functions defined in the ANSI
- specific, defined in any header files in an ANSI conforming environment,
- must match those in the ANSI standard, we can just duplicate them here
+ However, if a function is defined in the ANSI C standard and a prototype
+ for that function is defined and visible in any header file in an ANSI
+ conforming environment, then that prototype must match the definition in
+ the ANSI standard. So we can just duplicate them here without conflict,
since they must be the same in all conforming ANSI environments. If
these cause problems, then the environment is not ANSI conformant. */
extern int
fclose PARAMS ((FILE *stream)); /* 4.9.5.1 */
+extern void
+perror PARAMS ((const char *)); /* 4.9.10.4 */
+
extern double
atof PARAMS ((const char *nptr)); /* 4.10.1.1 */
+extern int
+atoi PARAMS ((const char *)); /* 4.10.1.2 */
+
#ifndef MALLOC_INCOMPATIBLE
+
extern PTR
malloc PARAMS ((size_t size)); /* 4.10.3.3 */
realloc PARAMS ((void *ptr, size_t size)); /* 4.10.3.4 */
extern void
-free PARAMS ((void *)); /* 4.10.3.2 */
-#endif
+free PARAMS ((void *)); /* 4.10.3.2 */
+
+#endif /* MALLOC_INCOMPATIBLE */
extern void
qsort PARAMS ((void *base, size_t nmemb, /* 4.10.5.2 */
size_t size,
int (*comp)(const void *, const void *)));
+#ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */
+extern PTR
+memcpy PARAMS ((void *, const void *, size_t)); /* 4.11.2.1 */
+
+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 */
extern char *
strrchr PARAMS ((const char *, int)); /* 4.11.5.5 */
+extern char *
+strstr PARAMS ((const char *, const char *)); /* 4.11.5.7 */
+
extern char *
strtok PARAMS ((char *, const char *)); /* 4.11.5.8 */
+#ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */
+extern PTR
+memset PARAMS ((void *, int, size_t)); /* 4.11.6.1 */
+#endif
+
extern char *
strerror PARAMS ((int)); /* 4.11.6.2 */
# define alloca __builtin_alloca
# else
# ifdef sparc
-# include <alloca.h>
+# include <alloca.h> /* NOTE: Doesn't declare alloca() */
# endif
+# ifdef __STDC__
+ extern void *alloca (size_t);
+# else /* __STDC__ */
extern char *alloca ();
+# endif
# endif
#endif
-/* TARGET_BYTE_ORDER and HOST_BYTE_ORDER should be defined to one of these. */
+/* TARGET_BYTE_ORDER and HOST_BYTE_ORDER must be defined to one of these. */
#if !defined (BIG_ENDIAN)
#define BIG_ENDIAN 4321
#define ADDR_BITS_SET(addr) (addr)
#endif /* No ADDR_BITS_REMOVE. */
-#if !defined (SYS_SIGLIST_MISSING)
-#define SYS_SIGLIST_MISSING defined (USG)
-#endif /* No SYS_SIGLIST_MISSING */
-
/* From valops.c */
extern CORE_ADDR
extern CORE_ADDR
push_word ();
+/* Some parts of gdb might be considered optional, in the sense that they
+ are not essential for being able to build a working, usable debugger
+ for a specific environment. For example, the maintenance commands
+ are there for the benefit of gdb maintainers. As another example,
+ some environments really don't need gdb's that are able to read N
+ different object file formats. In order to make it possible (but
+ not necessarily recommended) to build "stripped down" versions of
+ gdb, the following defines control selective compilation of those
+ parts of gdb which can be safely left out when necessary. Note that
+ the default is to include everything. */
+
+#ifndef MAINTENANCE_CMDS
+#define MAINTENANCE_CMDS 1
+#endif
+
#endif /* !defined (DEFS_H) */