/* Basic, host-specific, and target-specific definitions for GDB.
- Copyright (C) 1986, 1989, 1991 Free Software Foundation, Inc.
+ Copyright (C) 1986, 1989, 1991, 1992, 1993, 1994, 1995
+ Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-#if !defined (DEFS_H)
+#ifndef DEFS_H
#define DEFS_H
-/* An address in the program being debugged. Host byte order. */
-typedef unsigned int CORE_ADDR;
+#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"
+
+#ifdef ANSI_PROTOTYPES
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+#include "libiberty.h"
+
+/* libiberty.h can't declare this one, but evidently we can. */
+extern char *strsignal PARAMS ((int));
+
+#include "progress.h"
+
+#ifndef NO_MMALLOC
+#include "mmalloc.h"
+#endif
+
+/* For BFD64 and bfd_vma. */
+#include "bfd.h"
+
+/* An address in the program being debugged. Host byte order. Rather
+ than duplicate all the logic in BFD which figures out what type
+ this is (long, long long, etc.) and whether it needs to be 64
+ bits (the host/target interactions are subtle), we just use
+ bfd_vma. */
+
+typedef bfd_vma 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 void quit ();
+extern int sevenbit_strings;
+
+extern void quit PARAMS ((void));
-#define QUIT { if (quit_flag) quit (); }
+#define QUIT { \
+ if (quit_flag) quit (); \
+ if (interactive_hook) interactive_hook (); \
+ PROGRESS (1); \
+}
-/* 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_fortran, /* Fortran */
+ language_m2, /* Modula-2 */
+ language_asm, /* Assembly language */
+ language_scm /* Scheme / Guile */
};
/* 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 void wrap_here (
+
+/* The ability to declare that a function never returns is useful, but
+ not really required to compile GDB successfully, so the NORETURN and
+ ATTR_NORETURN macros normally expand into nothing. */
+
+/* If compiling with older versions of GCC, a function may be declared
+ "volatile" to indicate that it does not return. */
+
+#ifndef NORETURN
+# if defined(__GNUC__) \
+ && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
+# define NORETURN volatile
+# else
+# define NORETURN /* nothing */
+# endif
+#endif
+
+/* GCC 2.5 and later versions define a function attribute "noreturn",
+ which is the preferred way to declare that a function never returns.
+ However GCC 2.7 appears to be the first version in which this fully
+ works everywhere we use it. */
+
+#ifndef ATTR_NORETURN
+# if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
+# define ATTR_NORETURN __attribute__ ((noreturn))
+# else
+# define ATTR_NORETURN /* nothing */
+# endif
+#endif
+
+#ifndef ATTR_FORMAT
+# if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4 && defined (__ANSI_PROTOTYPES)
+# define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
+# else
+# define ATTR_FORMAT(type, x, y) /* nothing */
+# endif
+#endif
+
+/* Needed for various prototypes */
+
#ifdef __STDC__
- char *
-#endif
- );
-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 ();
+struct symtab;
+struct breakpoint;
+#endif
+
+/* 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 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 PARAMS((char *, ...))
+ ATTR_FORMAT(printf, 1, 2);
+\f
+/* Annotation stuff. */
+
+extern int annotation_level; /* in stack.c */
+\f
+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 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 int fputc_unfiltered PARAMS ((int c, GDB_FILE *));
+
+extern int putchar_unfiltered PARAMS ((int c));
+
+extern void puts_filtered PARAMS ((char *));
+
+extern void puts_unfiltered PARAMS ((char *));
+
+extern void vprintf_filtered PARAMS ((char *, va_list))
+ ATTR_FORMAT(printf, 1, 0);
+
+extern void vfprintf_filtered PARAMS ((FILE *, char *, va_list))
+ ATTR_FORMAT(printf, 2, 0);
+
+extern void fprintf_filtered PARAMS ((FILE *, char *, ...))
+ ATTR_FORMAT(printf, 2, 3);
+
+extern void fprintfi_filtered PARAMS ((int, FILE *, char *, ...))
+ ATTR_FORMAT(printf, 3, 4);
+
+extern void printf_filtered PARAMS ((char *, ...))
+ ATTR_FORMAT(printf, 1, 2);
+
+extern void printfi_filtered PARAMS ((int, char *, ...))
+ ATTR_FORMAT(printf, 2, 3);
+
+extern void vprintf_unfiltered PARAMS ((char *, va_list))
+ ATTR_FORMAT(printf, 1, 0);
+
+extern void vfprintf_unfiltered PARAMS ((FILE *, char *, va_list))
+ ATTR_FORMAT(printf, 2, 0);
+
+extern void fprintf_unfiltered PARAMS ((FILE *, char *, ...))
+ ATTR_FORMAT(printf, 2, 3);
+
+extern void printf_unfiltered PARAMS ((char *, ...))
+ ATTR_FORMAT(printf, 1, 2);
+
+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));
+
+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 top.c */
+
+extern char *skip_quoted PARAMS ((char *));
+
+extern char *gdb_readline PARAMS ((char *));
+
+extern char *command_line_input PARAMS ((char *, int, char *));
+
+extern void print_prompt PARAMS ((void));
+
+extern int input_from_terminal_p PARAMS ((void));
+
+extern int info_verbose;
/* 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, int, GDB_FILE *));
+
+extern void print_address PARAMS ((CORE_ADDR, GDB_FILE *));
/* From source.c */
-void mod_path (
-#ifdef __STDC__
- char *, char **
-#endif
- );
+
+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));
+
+extern char *symtab_to_filename PARAMS ((struct symtab *));
+
+/* 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 *));
+
+/* Control types for commands */
+
+enum misc_command_type
+{
+ ok_command,
+ end_command,
+ else_command,
+ nop_command
+};
+
+enum command_control_type
+{
+ simple_control,
+ break_control,
+ continue_control,
+ while_control,
+ if_control,
+ invalid_control
+};
/* Structure for saved commands lines
(for breakpoints, defined commands, etc). */
{
struct command_line *next;
char *line;
+ enum command_control_type control_type;
+ int body_count;
+ struct command_line **body_list;
};
-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. */
-/* Languages represented in the symbol table and elsewhere. */
-
-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)
-char *local_hex_format_custom(); /* 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". */
-
-char *local_hex_string (); /* language.c */
-char *local_hex_string_custom (); /* 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"
+
+/* Target machine definition. This will be a symlink to one of the
+ tm-*.h files, built by the `configure' script. */
+
+#include "tm.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__.
/* 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
-/* 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
+#if !defined (ULONG_MAX)
+#define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
#endif
-/* Number of bits in a short or unsigned short for the target machine. */
-#if !defined (TARGET_SHORT_BIT)
-#define TARGET_SHORT_BIT (sizeof (short) * TARGET_CHAR_BIT)
+#if !defined (LONG_MAX)
+#define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
#endif
-/* Number of bits in an int or unsigned int for the target machine. */
-#if !defined (TARGET_INT_BIT)
-#define TARGET_INT_BIT (sizeof (int) * TARGET_CHAR_BIT)
+#ifdef BFD64
+
+/* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
+
+#define LONGEST BFD_HOST_64_BIT
+
+#else /* No BFD64 */
+
+/* If all compilers for this host support "long long" and we want to
+ use it for LONGEST (the performance hit is about 10% on a testsuite
+ run based on one DECstation test), then the xm.h file can define
+ CC_HAS_LONG_LONG.
+
+ Using GCC 1.39 on BSDI with long long causes about 700 new
+ testsuite failures. Using long long for LONGEST on the DECstation
+ causes 3 new FAILs in the testsuite and many heuristic fencepost
+ warnings. These are not investigated, but a first guess would be
+ that the BSDI problems are GCC bugs in long long support and the
+ latter are GDB bugs. */
+
+#ifndef CC_HAS_LONG_LONG
+# if defined (__GNUC__) && defined (FORCE_LONG_LONG)
+# define CC_HAS_LONG_LONG 1
+# endif
#endif
-/* Number of bits in a long or unsigned long for the target machine. */
-#if !defined (TARGET_LONG_BIT)
-#define TARGET_LONG_BIT (sizeof (long) * TARGET_CHAR_BIT)
+/* 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
-/* 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 /* No BFD64 */
+
+/* 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. */
+
+extern int longest_to_int PARAMS ((LONGEST));
+
+/* 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 PTR xmmalloc PARAMS ((PTR, long));
+
+extern PTR xmrealloc PARAMS ((PTR, PTR, long));
+
+extern int parse_escape PARAMS ((char **));
+
+extern char *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 error message, when an error occurs. */
+
+extern char *quit_pre_print;
+
+/* Message to be printed before the warning message, when a warning occurs. */
+
+extern char *warning_pre_print;
+
+extern NORETURN void error PARAMS((char *, ...)) ATTR_NORETURN;
+
+extern void error_begin PARAMS ((void));
+
+extern NORETURN void fatal PARAMS((char *, ...)) ATTR_NORETURN;
+
+extern NORETURN void nomem PARAMS ((long)) ATTR_NORETURN;
+
+/* 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
+return_to_top_level PARAMS ((enum return_reason)) ATTR_NORETURN;
+
+extern int
+catch_errors PARAMS ((int (*) (char *), void *, char *, return_mask));
+
+extern void warning_begin PARAMS ((void));
+
+extern void warning PARAMS ((char *, ...))
+ ATTR_FORMAT(printf, 1, 2);
+
+/* Global functions from other, non-gdb GNU thingies.
+ Libiberty thingies are no longer declared here. We include libiberty.h
+ above, instead. */
+
+#ifndef GETENV_PROVIDED
+extern char *getenv PARAMS ((const char *));
#endif
-/* Number of bits in a float for the target machine. */
-#if !defined (TARGET_FLOAT_BIT)
-#define TARGET_FLOAT_BIT (sizeof (float) * TARGET_CHAR_BIT)
+/* From other system libraries */
+
+#ifdef __STDC__
+#include <stddef.h>
+#include <stdlib.h>
#endif
-/* Number of bits in a double for the target machine. */
-#if !defined (TARGET_DOUBLE_BIT)
-#define TARGET_DOUBLE_BIT (sizeof (double) * TARGET_CHAR_BIT)
+
+/* We take the address of fclose later, but some stdio's forget
+ to declare this. We can't always declare it since there's
+ no way to declare the parameters without upsetting some compiler
+ somewhere. */
+
+#ifndef FCLOSE_PROVIDED
+extern int fclose ();
#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)
+#ifndef atof
+extern double atof ();
#endif
-/* Number of bits in a "complex" for the target machine. */
-#if !defined (TARGET_COMPLEX_BIT)
-#define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT)
+#ifndef MALLOC_INCOMPATIBLE
+
+extern PTR malloc ();
+
+extern PTR realloc ();
+
+extern void free ();
+
+#endif /* MALLOC_INCOMPATIBLE */
+
+#ifndef WIN32
+
+#ifndef strchr
+extern char *strchr ();
#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)
+#ifndef strrchr
+extern char *strrchr ();
#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. */
+#ifndef strstr
+extern char *strstr ();
+#endif
-/* Assorted functions we can declare, now that const and volatile are
- defined. */
-extern char *savestring ();
-extern char *strsave ();
-extern char *concat ();
-#ifdef __STDC__
-extern void *xmalloc (), *xrealloc ();
-#else
-extern char *xmalloc (), *xrealloc ();
+#ifndef strtok
+extern char *strtok ();
#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();
-extern void warning_setup(), warning();
+
+#ifndef strerror
+extern char *strerror ();
+#endif
+
+#endif /* !WIN32 */
/* Various possibilities for alloca. */
#ifndef alloca
# ifdef __GNUC__
# define alloca __builtin_alloca
-# else
+# else /* Not GNU C */
# ifdef sparc
-# include <alloca.h>
+# include <alloca.h> /* NOTE: Doesn't declare alloca() */
# endif
+
+/* We need to be careful not to declare this in a way which conflicts with
+ bison. Bison never declares it as char *, but under various circumstances
+ (like __hpux) we need to use void *. */
+# if defined (__STDC__) || defined (__hpux)
+ extern void *alloca ();
+# else /* Don't use void *. */
extern char *alloca ();
-# endif
-#endif
+# endif /* Don't use void *. */
+# endif /* Not GNU C */
+#endif /* alloca not defined */
-/* TARGET_BYTE_ORDER and HOST_BYTE_ORDER should be defined to one of these. */
+/* HOST_BYTE_ORDER must be defined to one of these. */
#if !defined (BIG_ENDIAN)
#define BIG_ENDIAN 4321
#define LITTLE_ENDIAN 1234
#endif
-/* Target-system-dependent parameters for GDB.
+/* 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. */
+#ifdef TARGET_BYTE_ORDER_SELECTABLE
+/* The target endianness is selectable at runtime. Define
+ TARGET_BYTE_ORDER to be a variable. The user can use the `set
+ endian' command to change it. */
+#undef TARGET_BYTE_ORDER
+#define TARGET_BYTE_ORDER target_byte_order
+extern int target_byte_order;
+#endif
-/* Target machine definition. This will be a symlink to one of the
- tm-*.h files, built by the `configure' script. */
+extern void set_endian_from_file PARAMS ((bfd *));
-#ifndef TM_FILE_OVERRIDE
-#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 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
from byte/word byte order. */
#if !defined (BITS_BIG_ENDIAN)
+#ifndef TARGET_BYTE_ORDER_SELECTABLE
+
#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. */
+
+#else /* defined (TARGET_BYTE_ORDER_SELECTABLE) */
+
+#define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
+
+#endif /* defined (TARGET_BYTE_ORDER_SELECTABLE) */
#endif /* BITS_BIG_ENDIAN not defined. */
-/* Swap LEN bytes at BUFFER between target and host byte-order. */
-#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER
-#define SWAP_TARGET_AND_HOST(buffer,len)
-#else /* Target and host byte order differ. */
-#define SWAP_TARGET_AND_HOST(buffer,len) \
- { \
- char tmp; \
- char *p = (char *)(buffer); \
- char *q = ((char *)(buffer)) + len - 1; \
- for (; p < q; p++, q--) \
- { \
- tmp = *q; \
- *q = *p; \
- *p = tmp; \
- } \
- }
-#endif /* Target and host byte order differ. */
+/* In findvar.c. */
+
+extern LONGEST extract_signed_integer PARAMS ((void *, int));
+
+extern unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int));
+
+extern CORE_ADDR extract_address PARAMS ((void *, int));
+
+extern void store_signed_integer PARAMS ((void *, int, LONGEST));
+
+extern void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST));
+
+extern void store_address PARAMS ((void *, int, CORE_ADDR));
+
+extern double extract_floating PARAMS ((void *, int));
+extern 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. ADDR_BITS_SET sets those bits the way the system wants
- them. */
+ 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)
-#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 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
+
+#ifdef MAINTENANCE_CMDS
+extern int watchdog;
+#endif
+
+#include "dis-asm.h" /* Get defs for disassemble_info */
+
+extern int dis_asm_read_memory PARAMS ((bfd_vma memaddr, bfd_byte *myaddr,
+ int len, disassemble_info *info));
+
+extern void dis_asm_memory_error PARAMS ((int status, bfd_vma memaddr,
+ disassemble_info *info));
+
+extern void dis_asm_print_address PARAMS ((bfd_vma addr,
+ disassemble_info *info));
+
+extern int (*tm_print_insn) PARAMS ((bfd_vma, disassemble_info*));
+
+/* Hooks for alternate command interfaces. */
+
+#ifdef __STDC__
+struct target_waitstatus;
+struct cmd_list_element;
+#endif
+
+extern void (*init_ui_hook) PARAMS ((void));
+extern void (*command_loop_hook) PARAMS ((void));
+extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer,
+ FILE *stream));
+extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s,
+ int line, int stopline,
+ int noerror));
+extern int (*query_hook) PARAMS (());
+extern void (*flush_hook) PARAMS ((FILE *stream));
+extern void (*create_breakpoint_hook) PARAMS ((struct breakpoint *b));
+extern void (*delete_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
+extern void (*modify_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
+extern void (*target_output_hook) PARAMS ((char *));
+extern void (*interactive_hook) PARAMS ((void));
+extern void (*registers_changed_hook) PARAMS ((void));
+
+extern int (*target_wait_hook) PARAMS ((int pid,
+ struct target_waitstatus *status));
+
+extern void (*call_command_hook) PARAMS ((struct cmd_list_element *c,
+ char *cmd, int from_tty));
+
+extern NORETURN void (*error_hook) PARAMS (()) ATTR_NORETURN;
+
+
+
+/* Inhibit window interface if non-zero. */
+
+extern int use_windows;
+
+/* Symbolic definitions of filename-related things. */
+/* FIXME, this doesn't work very well if host and executable
+ filesystems conventions are different. */
+
+#ifndef DIRNAME_SEPARATOR
+#define DIRNAME_SEPARATOR ':'
+#endif
+
+#ifndef SLASH_P
+#if defined(__GO32__)||defined(WIN32)
+#define SLASH_P(X) ((X)=='\\')
+#else
+#define SLASH_P(X) ((X)=='/')
+#endif
+#endif
+
+#ifndef SLASH_CHAR
+#if defined(__GO32__)||defined(WIN32)
+#define SLASH_CHAR '\\'
+#else
+#define SLASH_CHAR '/'
+#endif
+#endif
+
+#ifndef SLASH_STRING
+#if defined(__GO32__)||defined(WIN32)
+#define SLASH_STRING "\\"
+#else
+#define SLASH_STRING "/"
+#endif
+#endif
+
+#ifndef ROOTED_P
+#define ROOTED_P(X) (SLASH_P((X)[0]))
+#endif
-#endif /* no DEFS_H */
+#endif /* #ifndef DEFS_H */
projects / binutils.git / blobdiff