-/* Basic definitions for GDB, the GNU debugger.
+/* Basic, host-specific, and target-specific definitions for GDB.
Copyright (C) 1986, 1989, 1991 Free Software Foundation, Inc.
This file is part of GDB.
-GDB is free software; you can redistribute it and/or modify
+This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 1, or (at your option)
-any later version.
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
-GDB is distributed in the hope that it will be useful,
+This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GDB; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#if !defined (DEFS_H)
+#define DEFS_H 1
+
+#include <stdio.h>
+
+/* First include ansidecl.h so we can use the various macro definitions
+ here and in all subsequent file inclusions. */
+
+#include "ansidecl.h"
/* An address in the program being debugged. Host byte order. */
+#ifndef CORE_ADDR_TYPE
typedef unsigned int CORE_ADDR;
+#else
+typedef CORE_ADDR_TYPE CORE_ADDR;
+#endif
#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
- the program's identifiers (such as $this and $$vptr). */
-#define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
-
-/*
- * Allow things in gdb to be declared "const". If compiling ANSI, it
- * just works. If compiling with gcc but non-ansi, redefine to __const__.
- * If non-ansi, non-gcc, then eliminate "const" entirely, making those
- * objects be read-write rather than read-only.
- */
-#ifndef __STDC__
-# ifdef __GNUC__
-# define const __const__
-# define volatile __volatile__
-# else
-# define const /*nothing*/
-# define volatile /*nothing*/
-# endif /* GNUC */
-#endif /* STDC */
+/* Gdb does *lots* of string compares. Use macros to speed them up by
+ avoiding function calls if the first characters are not the same. */
-extern char *savestring ();
-extern char *strsave ();
-extern char *concat ();
-#ifdef __STDC__
-extern void *xmalloc (), *xrealloc ();
-#else
-extern char *xmalloc (), *xrealloc ();
-#endif
-extern void free ();
-extern int parse_escape ();
-extern char *reg_names[];
-/* Indicate that these routines do not return to the caller. */
-extern volatile void error(), fatal();
+#define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
+#define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
+#define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
-/* Various possibilities for alloca. */
-#ifdef __GNUC__
-# define alloca __builtin_alloca
-#else
-# ifdef sparc
-# include <alloca.h>
-# endif
- extern char *alloca ();
-# endif
+/* The character GNU C++ uses to build identifiers that must be unique from
+ the program's identifiers (such as $this and $$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 void 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
struct cleanup
{
struct cleanup *next;
- void (*function) ();
- int arg;
+ void (*function) PARAMS ((PTR));
+ PTR arg;
};
-/* From utils.c. */
-extern void do_cleanups ();
-extern void discard_cleanups ();
-extern struct cleanup *make_cleanup ();
-extern struct cleanup *save_cleanups ();
-extern void restore_cleanups ();
-extern void free_current_contents ();
-extern int myread ();
-extern int query ();
-extern int lines_to_list ();
-extern void reinitialize_more_filter ();
-extern void fputs_filtered ();
-extern void puts_filtered ();
-extern void fprintf_filtered ();
-extern void printf_filtered ();
-extern void print_spaces ();
-extern void print_spaces_filtered ();
-extern char *n_spaces ();
-extern void printchar ();
-extern void fprint_symbol ();
-extern void fputs_demangled ();
-extern void perror_with_name ();
-extern void print_sys_errmsg ();
+/* From blockframe.c */
+
+extern int
+inside_entry_func PARAMS ((CORE_ADDR));
+
+extern int
+inside_entry_file PARAMS ((CORE_ADDR addr));
+
+extern int
+inside_main_func PARAMS ((CORE_ADDR pc));
+
+/* 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));
+
+extern char *
+cplus_mangle_opname PARAMS ((char *, int));
+
+/* From libmmalloc.a (memory mapped malloc library) */
+
+extern PTR
+mmalloc_attach PARAMS ((int, PTR));
+
+extern PTR
+mmalloc_detach PARAMS ((PTR));
+
+extern PTR
+mmalloc PARAMS ((PTR, long));
+
+extern PTR
+mrealloc PARAMS ((PTR, PTR, long));
+
+extern void
+mfree PARAMS ((PTR, PTR));
+
+extern int
+mmalloc_setkey PARAMS ((PTR, int, PTR));
+
+extern PTR
+mmalloc_getkey PARAMS ((PTR, int));
+
+/* From utils.c */
+
+extern int
+strcmp_iw PARAMS ((const char *, const char *));
+
+extern char *
+safe_strerror PARAMS ((int));
+
+extern char *
+safe_strsignal PARAMS ((int));
+
+extern void
+init_malloc PARAMS ((void *));
+
+extern void
+request_quit PARAMS ((int));
+
+extern void
+do_cleanups PARAMS ((struct cleanup *));
+
+extern void
+discard_cleanups PARAMS ((struct cleanup *));
+
+/* The bare make_cleanup function is one of those rare beasts that
+ takes almost any type of function as the first arg and anything that
+ will fit in a "void *" as the second arg.
+
+ Should be, once all calls and called-functions are cleaned up:
+extern struct cleanup *
+make_cleanup PARAMS ((void (*function) (void *), void *));
+
+ Until then, lint and/or various type-checking compiler options will
+ complain about make_cleanup calls. It'd be wrong to just cast things,
+ since the type actually passed when the function is called would be
+ wrong. */
+
+extern struct cleanup *
+make_cleanup ();
+
+extern struct cleanup *
+save_cleanups PARAMS ((void));
+
+extern void
+restore_cleanups PARAMS ((struct cleanup *));
+
+extern void
+free_current_contents PARAMS ((char **));
+
+extern void
+null_cleanup PARAMS ((char **));
+
+extern int
+myread PARAMS ((int, char *, int));
+
+extern int
+query ();
+
+extern void
+begin_line PARAMS ((void));
+
+extern void
+wrap_here PARAMS ((char *));
+
+extern void
+reinitialize_more_filter PARAMS ((void));
+
+typedef FILE GDB_FILE;
+#define gdb_stdout stdout
+#define gdb_stderr stderr
+
+extern int
+print_insn PARAMS ((CORE_ADDR, GDB_FILE *));
+
+extern void
+gdb_flush PARAMS ((GDB_FILE *));
+
+extern GDB_FILE *
+gdb_fopen PARAMS ((char * name, char * mode));
+
+extern void
+fputs_filtered PARAMS ((const char *, GDB_FILE *));
+
+extern void
+fputs_unfiltered PARAMS ((const char *, GDB_FILE *));
+
+extern void
+fputc_unfiltered PARAMS ((int, GDB_FILE *));
+
+extern void
+putc_unfiltered PARAMS ((int));
+
+#define putchar_unfiltered(C) putc_unfiltered(C)
+
+extern void
+puts_filtered PARAMS ((char *));
+
+extern void
+puts_unfiltered 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
+vprintf_unfiltered ();
+
+extern void
+vfprintf_unfiltered ();
+
+extern void
+fprintf_unfiltered ();
+
+extern void
+printf_unfiltered ();
+
+extern void
+print_spaces PARAMS ((int, GDB_FILE *));
+
+extern void
+print_spaces_filtered PARAMS ((int, GDB_FILE *));
+
+extern char *
+n_spaces PARAMS ((int));
+
+extern void
+gdb_printchar PARAMS ((int, GDB_FILE *, int));
+
+/* Print a host address. */
+extern void gdb_print_address PARAMS ((void *, GDB_FILE *));
+
+extern void
+fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *, enum language, int));
+
+extern void
+perror_with_name PARAMS ((char *));
+
+extern void
+print_sys_errmsg PARAMS ((char *, int));
+
+/* From regex.c or libc. BSD 4.4 declares this with the argument type as
+ "const char *" in unistd.h, so we can't declare the argument
+ as "char *". */
+
+extern char *
+re_comp PARAMS ((const char *));
+
+/* From symfile.c */
+
+extern void
+symbol_file_command PARAMS ((char *, int));
+
+/* From main.c */
+
+extern char *
+skip_quoted PARAMS ((char *));
+
+extern char *
+gdb_readline PARAMS ((char *));
+
+extern char *
+command_line_input PARAMS ((char *, int));
+
+extern void
+print_prompt PARAMS ((void));
+
+extern int
+batch_mode PARAMS ((void));
+
+extern int
+input_from_terminal_p PARAMS ((void));
/* From printcmd.c */
-extern void print_address_symbolic ();
-extern void print_address ();
+
+extern void
+set_next_address PARAMS ((CORE_ADDR));
+
+extern void
+print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int, char *));
+
+extern void
+print_address_numeric PARAMS ((CORE_ADDR, GDB_FILE *));
+
+extern void
+print_address PARAMS ((CORE_ADDR, GDB_FILE *));
+
+/* From source.c */
+
+extern int
+openp PARAMS ((char *, int, char *, int, int, char **));
+
+extern void
+mod_path PARAMS ((char *, char **));
+
+extern void
+directory_command PARAMS ((char *, int));
+
+extern void
+init_source_path PARAMS ((void));
+
+/* From findvar.c */
+
+extern int
+read_relative_register_raw_bytes PARAMS ((int, char *));
/* From readline (but not in any readline .h files). */
-extern char *tilde_expand ();
+
+extern char *
+tilde_expand PARAMS ((char *));
/* Structure for saved commands lines
(for breakpoints, defined commands, etc). */
char *line;
};
-extern struct command_line *read_command_lines ();
-extern void free_command_lines ();
+extern struct command_line *
+read_command_lines PARAMS ((void));
+
+extern void
+free_command_lines PARAMS ((struct command_line **));
/* String containing the current directory (what getwd would return). */
-char *current_directory;
+extern char *current_directory;
/* Default radixes for input and output. Only some values supported. */
extern unsigned input_radix;
extern unsigned output_radix;
-/* Baud rate specified for communication with serial target systems. */
-char *baud_rate;
+/* 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 val_prettyprint
+{
+ Val_no_prettyprint = 0,
+ Val_prettyprint,
+ /* Use the default setting which the user has specified. */
+ Val_pretty_default
+};
+
+\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__.
+ * If non-ansi, non-gcc, then eliminate "const" entirely, making those
+ * objects be read-write rather than read-only.
+ */
+
+#ifndef const
+#ifndef __STDC__
+# ifdef __GNUC__
+# define const __const__
+# else
+# define const /*nothing*/
+# endif /* GNUC */
+#endif /* STDC */
+#endif /* const */
+
+#ifndef volatile
+#ifndef __STDC__
+# ifdef __GNUC__
+# define volatile __volatile__
+# else
+# define volatile /*nothing*/
+# endif /* GNUC */
+#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
+ to keep them happy */
+
+#ifndef NORETURN
+# ifdef __lucid
+# define NORETURN /*nothing*/
+# else
+# 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
+#define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
+#endif
+
+#if !defined (INT_MAX)
+#define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
+#endif
+
+#if !defined (INT_MIN)
+#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 0x7fffffff
+#define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
+#endif
+
+/* 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 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
+
+/* Assorted functions we can declare, now that const and volatile are
+ defined. */
+
+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 *, ...));
+
+extern PTR
+xmalloc PARAMS ((long));
+
+extern PTR
+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 const char * const reg_names[];
+
+/* Message to be printed before the error message, when an error occurs. */
+
+extern char *error_pre_print;
+
+/* Message to be printed before the warning message, when a warning occurs. */
+
+extern char *warning_pre_print;
+
+extern NORETURN void /* Does not return to the caller. */
+error ();
+
+extern NORETURN void /* Does not return to the caller. */
+fatal ();
+
+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));
+
+/* 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 ((enum return_reason));
+
+extern int catch_errors PARAMS ((int (*) (char *), void *, char *,
+ return_mask));
+
+extern void
+warning_setup PARAMS ((void));
+
+extern void
+warning ();
+
+/* Global functions from other, non-gdb GNU thingies (libiberty for
+ instance) */
+
+extern char *
+basename PARAMS ((char *));
+
+extern 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, 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. */
+
+#ifdef __STDC__
+#include <stddef.h>
+#endif
+
+extern int
+fclose PARAMS ((GDB_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 */
+
+extern PTR
+realloc PARAMS ((void *ptr, size_t size)); /* 4.10.3.4 */
+
+extern void
+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
-/* Just like CHAR_BIT in <limits.h> but describes the target machine. */
+extern char *
+strerror PARAMS ((int)); /* 4.11.6.2 */
+
+/* Various possibilities for alloca. */
+#ifndef alloca
+# ifdef __GNUC__
+# define alloca __builtin_alloca
+# else
+# ifdef sparc
+# 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 must be defined to one of these. */
+
+#if !defined (BIG_ENDIAN)
+#define BIG_ENDIAN 4321
+#endif
+
+#if !defined (LITTLE_ENDIAN)
+#define LITTLE_ENDIAN 1234
+#endif
+
+/* 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. */
+
+#include "tm.h"
+
+/* Number of bits in a char or unsigned char for the target machine.
+ Just like CHAR_BIT in <limits.h> but describes the target machine. */
#if !defined (TARGET_CHAR_BIT)
#define TARGET_CHAR_BIT 8
#endif
+
+/* Number of bits in a short or unsigned short for the target machine. */
+#if !defined (TARGET_SHORT_BIT)
+#define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
+#endif
+
+/* Number of bits in an int or unsigned int for the target machine. */
+#if !defined (TARGET_INT_BIT)
+#define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
+#endif
+
+/* Number of bits in a long or unsigned long for the target machine. */
+#if !defined (TARGET_LONG_BIT)
+#define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
+#endif
+
+/* Number of bits in a long long or unsigned long long for the target machine. */
+#if !defined (TARGET_LONG_LONG_BIT)
+#define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
+#endif
+
+/* Number of bits in a float for the target machine. */
+#if !defined (TARGET_FLOAT_BIT)
+#define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
+#endif
+
+/* Number of bits in a double for the target machine. */
+#if !defined (TARGET_DOUBLE_BIT)
+#define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
+#endif
+
+/* Number of bits in a long double for the target machine. */
+#if !defined (TARGET_LONG_DOUBLE_BIT)
+#define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
+#endif
+
+/* Number of bits in a "complex" for the target machine. */
+#if !defined (TARGET_COMPLEX_BIT)
+#define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT)
+#endif
+
+/* Number of bits in a "double complex" for the target machine. */
+#if !defined (TARGET_DOUBLE_COMPLEX_BIT)
+#define TARGET_DOUBLE_COMPLEX_BIT (2 * TARGET_DOUBLE_BIT)
+#endif
+
+/* Number of bits in a pointer for the target machine */
+#if !defined (TARGET_PTR_BIT)
+#define TARGET_PTR_BIT TARGET_INT_BIT
+#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
+
+/* The bit byte-order has to do just with numbering of bits in
+ debugging symbols and such. Conceptually, it's quite separate
+ from byte/word byte order. */
+
+#if !defined (BITS_BIG_ENDIAN)
+#if TARGET_BYTE_ORDER == BIG_ENDIAN
+#define BITS_BIG_ENDIAN 1
+#endif /* Big endian. */
+
+#if TARGET_BYTE_ORDER == LITTLE_ENDIAN
+#define BITS_BIG_ENDIAN 0
+#endif /* Little endian. */
+#endif /* BITS_BIG_ENDIAN not defined. */
+
+/* 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));
+
+double extract_floating PARAMS ((void *, int));
+void store_floating PARAMS ((void *, int, double));
+\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. 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 (it's possible it
+ should be in TARGET_READ_PC instead). */
+#if !defined (ADDR_BITS_REMOVE)
+#define ADDR_BITS_REMOVE(addr) (addr)
+#endif /* No ADDR_BITS_REMOVE. */
+
+/* From valops.c */
+
+extern CORE_ADDR
+push_bytes PARAMS ((CORE_ADDR, char *, int));
+
+extern CORE_ADDR
+push_word PARAMS ((CORE_ADDR, unsigned LONGEST));
+
+/* 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) */
projects / deliverable / binutils-gdb.git / blobdiff