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+/* Basic, host-specific, and target-specific definitions for GDB.
+ Copyright (C) 1986, 89, 91, 92, 93, 94, 95, 96, 98, 1999
+ Free Software Foundation, Inc.
+
+This file is part of GDB.
+
+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 2 of the License, or
+(at your option) any later version.
+
+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 this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#ifndef DEFS_H
+#define DEFS_H
+
+#include "config.h" /* Generated by configure */
+#include <stdio.h>
+#include <errno.h> /* System call error return status */
+#include <limits.h>
+
+#ifdef HAVE_STDDEF_H
+# include <stddef.h>
+#else
+# include <sys/types.h> /* for size_t */
+#endif
+
+/* Just in case they're not defined in stdio.h. */
+
+#ifndef SEEK_SET
+#define SEEK_SET 0
+#endif
+#ifndef SEEK_CUR
+#define SEEK_CUR 1
+#endif
+
+/* 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"
+
+#ifdef USE_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;
+
+#ifndef min
+#define min(a, b) ((a) < (b) ? (a) : (b))
+#endif
+#ifndef max
+#define max(a, b) ((a) > (b) ? (a) : (b))
+#endif
+
+/* 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 */
+
+/* Check if a character is one of the commonly used C++ marker characters. */
+extern int is_cplus_marker PARAMS ((int));
+
+/* use tui interface if non-zero */
+extern int tui_version;
+
+#if defined(TUI)
+/* all invocations of TUIDO should have two sets of parens */
+#define TUIDO(x) tuiDo x
+#else
+#define TUIDO(x)
+#endif
+
+/* enable xdb commands if set */
+extern int xdb_commands;
+
+/* enable dbx commands if set */
+extern int dbx_commands;
+
+extern int quit_flag;
+extern int immediate_quit;
+extern int sevenbit_strings;
+
+extern void quit PARAMS ((void));
+
+#ifdef QUIT
+/* do twice to force compiler warning */
+#define QUIT_FIXME "FIXME"
+#define QUIT_FIXME "ignoring redefinition of QUIT"
+#else
+#define QUIT { \
+ if (quit_flag) quit (); \
+ if (interactive_hook) interactive_hook (); \
+ PROGRESS (1); \
+}
+#endif
+
+/* 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
+{
+ /* Special args to help_list */
+ all_classes = -2, all_commands = -1,
+ /* Classes of commands */
+ no_class = -1, class_run = 0, class_vars, class_stack,
+ class_files, class_support, class_info, class_breakpoint, class_trace,
+ class_alias, class_obscure, class_user, class_maintenance,
+ class_pseudo, class_tui, class_xdb
+};
+
+/* 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_java, /* Java */
+ language_chill, /* Chill */
+ language_fortran, /* Fortran */
+ language_m2, /* Modula-2 */
+ language_asm, /* Assembly language */
+ language_scm /* Scheme / Guile */
+};
+
+enum precision_type
+{
+ single_precision,
+ double_precision,
+ unspecified_precision
+};
+
+/* 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
+ argument to give it.
+
+ Use make_cleanup to add an element to the cleanup chain.
+ Use do_cleanups to do all cleanup actions back to a given
+ point in the chain. Use discard_cleanups to remove cleanups
+ from the chain back to a given point, not doing them. */
+
+struct cleanup
+{
+ struct cleanup *next;
+ void (*function) PARAMS ((PTR));
+ PTR arg;
+};
+
+
+/* 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__
+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 void notice_quit PARAMS ((void));
+
+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 do_final_cleanups PARAMS ((struct cleanup *));
+extern void do_my_cleanups PARAMS ((struct cleanup **, struct cleanup *));
+extern void do_run_cleanups PARAMS ((struct cleanup *));
+
+extern void discard_cleanups PARAMS ((struct cleanup *));
+extern void discard_final_cleanups PARAMS ((struct cleanup *));
+extern void discard_my_cleanups PARAMS ((struct cleanup **, struct cleanup *));
+
+typedef void (*make_cleanup_func) PARAMS ((void *));
+
+extern struct cleanup *make_cleanup PARAMS ((make_cleanup_func, void *));
+
+extern struct cleanup *make_final_cleanup PARAMS ((make_cleanup_func, void *));
+
+extern struct cleanup *make_my_cleanup PARAMS ((struct cleanup **,
+ make_cleanup_func, void *));
+
+extern struct cleanup *make_run_cleanup PARAMS ((make_cleanup_func, void *));
+
+extern struct cleanup *save_cleanups PARAMS ((void));
+extern struct cleanup *save_final_cleanups PARAMS ((void));
+extern struct cleanup *save_my_cleanups PARAMS ((struct cleanup **));
+
+extern void restore_cleanups PARAMS ((struct cleanup *));
+extern void restore_final_cleanups PARAMS ((struct cleanup *));
+extern void restore_my_cleanups PARAMS ((struct cleanup **, struct cleanup *));
+
+extern void free_current_contents PARAMS ((char **));
+
+extern void null_cleanup PARAMS ((PTR));
+
+extern int myread PARAMS ((int, char *, int));
+
+extern int query PARAMS((char *, ...))
+ ATTR_FORMAT(printf, 1, 2);
+
+#if !defined (USE_MMALLOC)
+extern PTR mmalloc PARAMS ((PTR, size_t));
+extern PTR mrealloc PARAMS ((PTR, PTR, size_t));
+extern void mfree PARAMS ((PTR, PTR));
+#endif
+
+/* From demangle.c */
+
+extern void set_demangling_style PARAMS ((char *));
+
+/* From tm.h */
+
+struct type;
+typedef int (use_struct_convention_fn) PARAMS ((int gcc_p, struct type *value_type));
+extern use_struct_convention_fn generic_use_struct_convention;
+
+typedef unsigned char *(breakpoint_from_pc_fn) PARAMS ((CORE_ADDR *pcptr, int *lenptr));
+
+
+
+/* Annotation stuff. */
+
+extern int annotation_level; /* in stack.c */
+
+extern void begin_line PARAMS ((void));
+
+extern void wrap_here PARAMS ((char *));
+
+extern void reinitialize_more_filter PARAMS ((void));
+
+/* new */
+enum streamtype
+{
+ afile,
+ astring
+};
+
+/* new */
+typedef struct tui_stream
+{
+ enum streamtype ts_streamtype;
+ FILE *ts_filestream;
+ char *ts_strbuf;
+ int ts_buflen;
+} GDB_FILE;
+
+extern GDB_FILE *gdb_stdout;
+extern GDB_FILE *gdb_stderr;
+
+#if 0
+typedef FILE GDB_FILE;
+#define gdb_stdout stdout
+#define gdb_stderr stderr
+#endif
+
+#if defined(TUI)
+#include "tui.h"
+#include "tuiCommand.h"
+#include "tuiData.h"
+#include "tuiIO.h"
+#include "tuiLayout.h"
+#include "tuiWin.h"
+#endif
+
+extern void gdb_fclose PARAMS ((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 int fputc_filtered PARAMS ((int c, GDB_FILE *));
+
+extern int fputc_unfiltered PARAMS ((int c, GDB_FILE *));
+
+extern int putchar_unfiltered PARAMS ((int c));
+
+extern void puts_filtered PARAMS ((const char *));
+
+extern void puts_unfiltered PARAMS ((const char *));
+
+extern void puts_debug PARAMS ((char *prefix, char *string, char *suffix));
+
+extern void vprintf_filtered PARAMS ((const char *, va_list))
+ ATTR_FORMAT(printf, 1, 0);
+
+extern void vfprintf_filtered PARAMS ((GDB_FILE *, const char *, va_list))
+ ATTR_FORMAT(printf, 2, 0);
+
+extern void fprintf_filtered PARAMS ((GDB_FILE *, const char *, ...))
+ ATTR_FORMAT(printf, 2, 3);
+
+extern void fprintfi_filtered PARAMS ((int, GDB_FILE *, const char *, ...))
+ ATTR_FORMAT(printf, 3, 4);
+
+extern void printf_filtered PARAMS ((const char *, ...))
+ ATTR_FORMAT(printf, 1, 2);
+
+extern void printfi_filtered PARAMS ((int, const char *, ...))
+ ATTR_FORMAT(printf, 2, 3);
+
+extern void vprintf_unfiltered PARAMS ((const char *, va_list))
+ ATTR_FORMAT(printf, 1, 0);
+
+extern void vfprintf_unfiltered PARAMS ((GDB_FILE *, const char *, va_list))
+ ATTR_FORMAT(printf, 2, 0);
+
+extern void fprintf_unfiltered PARAMS ((GDB_FILE *, const char *, ...))
+ ATTR_FORMAT(printf, 2, 3);
+
+extern void printf_unfiltered PARAMS ((const char *, ...))
+ ATTR_FORMAT(printf, 1, 2);
+
+extern int gdb_file_isatty PARAMS ((GDB_FILE *));
+
+extern GDB_FILE *gdb_file_init_astring PARAMS ((int));
+
+extern void gdb_file_deallocate PARAMS ((GDB_FILE **));
+
+extern char *gdb_file_get_strbuf PARAMS ((GDB_FILE *));
+
+extern void gdb_file_adjust_strbuf PARAMS ((int, GDB_FILE *));
+
+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 *));
+
+typedef bfd_vma t_addr;
+typedef bfd_vma t_reg;
+extern char* paddr PARAMS ((t_addr addr));
+
+extern char* preg PARAMS ((t_reg reg));
+
+extern char* paddr_nz PARAMS ((t_addr addr));
+
+extern char* preg_nz PARAMS ((t_reg reg));
+
+extern void fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *,
+ enum language, int));
+
+extern NORETURN void perror_with_name PARAMS ((char *)) ATTR_NORETURN;
+
+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 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 */
+
+extern int openp PARAMS ((char *, int, char *, int, int, char **));
+
+extern int source_full_path_of PARAMS ((char *, 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 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
+{
+ 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 PARAMS ((char *, int));
+
+extern void free_command_lines PARAMS ((struct command_line **));
+
+/* String containing the current directory (what getwd would return). */
+
+extern char *current_directory;
+
+/* Default radixes for input and output. Only some values supported. */
+extern unsigned input_radix;
+extern unsigned output_radix;
+
+/* 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
+};
+
+
+/* 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
+
+/* Microsoft C can't deal with const pointers */
+
+#ifdef _MSC_VER
+#define CONST_PTR
+#else
+#define CONST_PTR const
+#endif
+
+/*
+ * Allow things in gdb to be declared "volatile". If compiling ANSI, it
+ * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
+ * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
+ * objects be read-write rather than read-only.
+ */
+
+#ifndef volatile
+#ifndef __STDC__
+# ifdef __GNUC__
+# define volatile __volatile__
+# else
+# define volatile /*nothing*/
+# endif /* GNUC */
+#endif /* STDC */
+#endif /* volatile */
+
+/* Defaults for system-wide constants (if not defined by xm.h, we fake it).
+ FIXME: Assumes 2's complement arithmetic */
+
+#if !defined (UINT_MAX)
+#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)((int) ~0 ^ INT_MAX)) /* 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
+
+#ifndef LONGEST
+
+#ifdef BFD64
+
+/* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
+
+#define LONGEST BFD_HOST_64_BIT
+#define ULONGEST BFD_HOST_U_64_BIT
+
+#else /* No BFD64 */
+
+# ifdef CC_HAS_LONG_LONG
+# define LONGEST long long
+# define ULONGEST unsigned long long
+# else
+/* BFD_HOST_64_BIT is defined for some hosts that don't have long long
+ (e.g. i386-windows) so try it. */
+# ifdef BFD_HOST_64_BIT
+# define LONGEST BFD_HOST_64_BIT
+# define ULONGEST BFD_HOST_U_64_BIT
+# else
+# define LONGEST long
+# define ULONGEST unsigned long
+# endif
+# endif
+
+#endif /* No BFD64 */
+
+#endif /* ! LONGEST */
+
+/* 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 *));
+
+#ifdef _MSC_VER /* FIXME; was long, but this causes compile errors in msvc if already defined */
+extern PTR xmmalloc PARAMS ((PTR, size_t));
+
+extern PTR xmrealloc PARAMS ((PTR, PTR, size_t));
+#else
+extern PTR xmmalloc PARAMS ((PTR, long));
+
+extern PTR xmrealloc PARAMS ((PTR, PTR, long));
+#endif
+
+extern int parse_escape PARAMS ((char **));
+
+/* compat - handle old targets that just define REGISTER_NAMES */
+#ifndef REGISTER_NAME
+extern char *gdb_register_names[];
+#define REGISTER_NAME(i) gdb_register_names[i]
+#endif
+
+/* 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((const 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;
+
+typedef int (catch_errors_ftype) PARAMS ((PTR));
+extern int catch_errors PARAMS ((catch_errors_ftype *, PTR, char *, return_mask));
+
+extern void warning_begin PARAMS ((void));
+
+extern void warning PARAMS ((const 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
+
+/* From other system libraries */
+
+#ifdef HAVE_STDDEF_H
+#include <stddef.h>
+#endif
+
+#ifdef HAVE_STDLIB_H
+#if defined(_MSC_VER) && !defined(__cplusplus)
+/* msvc defines these in stdlib.h for c code */
+#undef min
+#undef max
+#endif
+#include <stdlib.h>
+#endif
+#ifndef min
+#define min(a, b) ((a) < (b) ? (a) : (b))
+#endif
+#ifndef max
+#define max(a, b) ((a) > (b) ? (a) : (b))
+#endif
+
+
+/* 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 PARAMS ((FILE *));
+#endif
+
+#ifndef atof
+extern double atof PARAMS ((const char *)); /* X3.159-1989 4.10.1.1 */
+#endif
+
+#ifndef MALLOC_INCOMPATIBLE
+
+#ifdef NEED_DECLARATION_MALLOC
+extern PTR malloc ();
+#endif
+
+#ifdef NEED_DECLARATION_REALLOC
+extern PTR realloc ();
+#endif
+
+#ifdef NEED_DECLARATION_FREE
+extern void free ();
+#endif
+
+#endif /* MALLOC_INCOMPATIBLE */
+
+/* Various possibilities for alloca. */
+#ifndef alloca
+# ifdef __GNUC__
+# define alloca __builtin_alloca
+# else /* Not GNU C */
+# ifdef HAVE_ALLOCA_H
+# include <alloca.h>
+# else
+# ifdef _AIX
+ #pragma alloca
+# else
+
+/* 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 /* Don't use void *. */
+# endif /* Not _AIX */
+# endif /* Not HAVE_ALLOCA_H */
+# endif /* Not GNU C */
+#endif /* alloca not defined */
+
+/* HOST_BYTE_ORDER must be defined to one of these. */
+
+#ifdef HAVE_ENDIAN_H
+#include <endian.h>
+#endif
+
+#if !defined (BIG_ENDIAN)
+#define BIG_ENDIAN 4321
+#endif
+
+#if !defined (LITTLE_ENDIAN)
+#define LITTLE_ENDIAN 1234
+#endif
+
+/* Dynamic target-system-dependent parameters for GDB. */
+#include "gdbarch.h"
+
+/* Static target-system-dependent parameters for GDB. */
+
+/* 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
+ debugging symbols and such. Conceptually, it's quite separate
+ from byte/word byte order. */
+
+#if !defined (BITS_BIG_ENDIAN)
+#define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
+#endif
+
+/* In findvar.c. */
+
+extern LONGEST extract_signed_integer PARAMS ((void *, int));
+
+extern ULONGEST extract_unsigned_integer PARAMS ((void *, int));
+
+extern int extract_long_unsigned_integer PARAMS ((void *, int, LONGEST *));
+
+extern CORE_ADDR extract_address PARAMS ((void *, int));
+
+extern void store_signed_integer PARAMS ((PTR, int, LONGEST));
+
+extern void store_unsigned_integer PARAMS ((PTR, int, ULONGEST));
+
+extern void store_address PARAMS ((PTR, int, LONGEST));
+
+/* Setup definitions for host and target floating point formats. We need to
+ consider the format for `float', `double', and `long double' for both target
+ and host. We need to do this so that we know what kind of conversions need
+ to be done when converting target numbers to and from the hosts DOUBLEST
+ data type. */
+
+/* This is used to indicate that we don't know the format of the floating point
+ number. Typically, this is useful for native ports, where the actual format
+ is irrelevant, since no conversions will be taking place. */
+
+extern const struct floatformat floatformat_unknown;
+
+#if HOST_BYTE_ORDER == BIG_ENDIAN
+# ifndef HOST_FLOAT_FORMAT
+# define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
+# endif
+# ifndef HOST_DOUBLE_FORMAT
+# define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
+# endif
+#else /* LITTLE_ENDIAN */
+# ifndef HOST_FLOAT_FORMAT
+# define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
+# endif
+# ifndef HOST_DOUBLE_FORMAT
+# define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
+# endif
+#endif
+
+#ifndef HOST_LONG_DOUBLE_FORMAT
+#define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
+#endif
+
+#ifndef TARGET_FLOAT_FORMAT
+#define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
+ ? &floatformat_ieee_single_big \
+ : &floatformat_ieee_single_little)
+#endif
+#ifndef TARGET_DOUBLE_FORMAT
+#define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
+ ? &floatformat_ieee_double_big \
+ : &floatformat_ieee_double_little)
+#endif
+
+#ifndef TARGET_LONG_DOUBLE_FORMAT
+# define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
+#endif
+
+/* Use `long double' if the host compiler supports it. (Note that this is not
+ necessarily any longer than `double'. On SunOS/gcc, it's the same as
+ double.) This is necessary because GDB internally converts all floating
+ point values to the widest type supported by the host.
+
+ There are problems however, when the target `long double' is longer than the
+ host's `long double'. In general, we'll probably reduce the precision of
+ any such values and print a warning. */
+
+#ifdef HAVE_LONG_DOUBLE
+typedef long double DOUBLEST;
+#else
+typedef double DOUBLEST;
+#endif
+
+extern void floatformat_to_doublest PARAMS ((const struct floatformat *,
+ char *, DOUBLEST *));
+extern void floatformat_from_doublest PARAMS ((const struct floatformat *,
+ DOUBLEST *, char *));
+extern DOUBLEST extract_floating PARAMS ((void *, int));
+
+extern void store_floating PARAMS ((void *, int, DOUBLEST));
+
+/* 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, ULONGEST));
+
+/* 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
+
+/* Hooks for alternate command interfaces. */
+
+#ifdef __STDC__
+struct target_waitstatus;
+struct cmd_list_element;
+#endif
+
+extern void (*init_ui_hook) PARAMS ((char *argv0));
+extern void (*command_loop_hook) PARAMS ((void));
+extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer,
+ GDB_FILE *stream));
+extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s,
+ int line, int stopline,
+ int noerror));
+extern struct frame_info *parse_frame_specification PARAMS ((char *frame_exp));
+extern int (*query_hook) PARAMS ((const char *, va_list));
+extern void (*warning_hook) PARAMS ((const char *, va_list));
+extern void (*flush_hook) PARAMS ((GDB_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 void (*readline_begin_hook) PARAMS ((char *, ...));
+extern char * (*readline_hook) PARAMS ((char *));
+extern void (*readline_end_hook) PARAMS ((void));
+extern void (*register_changed_hook) PARAMS ((int regno));
+extern void (*memory_changed_hook) PARAMS ((CORE_ADDR addr, int len));
+extern void (*context_hook) PARAMS ((int));
+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 ((void)) ATTR_NORETURN;
+
+extern void (*error_begin_hook) PARAMS ((void));
+
+
+/* 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
+
+/* On some systems, PIDGET is defined to extract the inferior pid from
+ an internal pid that has the thread id and pid in seperate bit
+ fields. If not defined, then just use the entire internal pid as
+ the actual pid. */
+
+#ifndef PIDGET
+#define PIDGET(pid) (pid)
+#endif
+
+/* If under Cygwin, provide backwards compatibility with older
+ Cygwin compilers that don't define the current cpp define. */
+#ifdef __CYGWIN32__
+#ifndef __CYGWIN__
+#define __CYGWIN__
+#endif
+#endif
+
+#endif /* #ifndef DEFS_H */
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