1255 lines
38 KiB
C
1255 lines
38 KiB
C
/* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
|
||
for now. */
|
||
/* Basic, host-specific, and target-specific definitions for GDB.
|
||
Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
|
||
1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009,
|
||
2010, 2011 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 3 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, see <http://www.gnu.org/licenses/>. */
|
||
|
||
#ifndef DEFS_H
|
||
#define DEFS_H
|
||
|
||
#include "config.h" /* Generated by configure. */
|
||
|
||
#include <sys/types.h>
|
||
#include <stdio.h>
|
||
#include <errno.h> /* System call error return status. */
|
||
#include <limits.h>
|
||
#include <stdint.h>
|
||
|
||
/* The libdecnumber library, on which GDB depends, includes a header file
|
||
called gstdint.h instead of relying directly on stdint.h. GDB, on the
|
||
other hand, includes stdint.h directly, relying on the fact that gnulib
|
||
generates a copy if the system doesn't provide one or if it is missing
|
||
some features. Unfortunately, gstdint.h and stdint.h cannot be included
|
||
at the same time, which may happen when we include a file from
|
||
libdecnumber.
|
||
|
||
The following macro definition effectively prevents the inclusion of
|
||
gstdint.h, as all the definitions it provides are guarded against
|
||
the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h
|
||
included, so it's ok to blank out gstdint.h. */
|
||
#define GCC_GENERATED_STDINT_H 1
|
||
|
||
#ifdef HAVE_STDDEF_H
|
||
#include <stddef.h>
|
||
#endif
|
||
|
||
#ifdef HAVE_UNISTD_H
|
||
#include <unistd.h>
|
||
#endif
|
||
|
||
#include <fcntl.h>
|
||
|
||
/* First include ansidecl.h so we can use the various macro definitions
|
||
here and in all subsequent file inclusions. */
|
||
|
||
#include "ansidecl.h"
|
||
|
||
#include "gdb_locale.h"
|
||
|
||
#include "gdb_wchar.h"
|
||
|
||
/* For ``enum target_signal''. */
|
||
#include "gdb/signals.h"
|
||
|
||
/* 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
|
||
|
||
/* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
|
||
It is used as an access modifier in calls to open(), where it acts
|
||
similarly to the "b" character in fopen()'s MODE argument. On Posix
|
||
platforms it should be a no-op, so it is defined as 0 here. This
|
||
ensures that the symbol may be used freely elsewhere in gdb. */
|
||
|
||
#ifndef O_BINARY
|
||
#define O_BINARY 0
|
||
#endif
|
||
|
||
#include <stdarg.h> /* For va_list. */
|
||
|
||
#include "libiberty.h"
|
||
|
||
/* Rather than duplicate all the logic in BFD for figuring out what
|
||
types to use (which can be pretty complicated), symply define them
|
||
in terms of the corresponding type from BFD. */
|
||
|
||
#include "bfd.h"
|
||
|
||
/* A byte from the program being debugged. */
|
||
typedef bfd_byte gdb_byte;
|
||
|
||
/* An address in the program being debugged. Host byte order. */
|
||
typedef bfd_vma CORE_ADDR;
|
||
|
||
/* The largest CORE_ADDR value. */
|
||
#define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
|
||
|
||
/* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
|
||
|
||
#ifndef LONGEST
|
||
|
||
#ifdef BFD64
|
||
|
||
#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
|
||
#ifdef BFD_HOST_64_BIT
|
||
/* BFD_HOST_64_BIT is defined for some hosts that don't have long long
|
||
(e.g. i386-windows) so try it. */
|
||
#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 */
|
||
|
||
#ifndef min
|
||
#define min(a, b) ((a) < (b) ? (a) : (b))
|
||
#endif
|
||
#ifndef max
|
||
#define max(a, b) ((a) > (b) ? (a) : (b))
|
||
#endif
|
||
|
||
/* Check if a character is one of the commonly used C++ marker characters. */
|
||
extern int is_cplus_marker (int);
|
||
|
||
/* enable xdb commands if set */
|
||
extern int xdb_commands;
|
||
|
||
/* enable dbx commands if set */
|
||
extern int dbx_commands;
|
||
|
||
/* System root path, used to find libraries etc. */
|
||
extern char *gdb_sysroot;
|
||
|
||
/* GDB datadir, used to store data files. */
|
||
extern char *gdb_datadir;
|
||
|
||
/* If non-NULL, the possibly relocated path to python's "lib" directory
|
||
specified with --with-python. */
|
||
extern char *python_libdir;
|
||
|
||
/* Search path for separate debug files. */
|
||
extern char *debug_file_directory;
|
||
|
||
extern int quit_flag;
|
||
extern int immediate_quit;
|
||
extern int sevenbit_strings;
|
||
|
||
extern void quit (void);
|
||
|
||
/* FIXME: cagney/2000-03-13: It has been suggested that the peformance
|
||
benefits of having a ``QUIT'' macro rather than a function are
|
||
marginal. If the overhead of a QUIT function call is proving
|
||
significant then its calling frequency should probably be reduced
|
||
[kingdon]. A profile analyzing the current situtation is
|
||
needed. */
|
||
|
||
#define QUIT { \
|
||
if (quit_flag) quit (); \
|
||
if (deprecated_interactive_hook) deprecated_interactive_hook (); \
|
||
}
|
||
|
||
/* 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_d, /* D */
|
||
language_objc, /* Objective-C */
|
||
language_java, /* Java */
|
||
language_fortran, /* Fortran */
|
||
language_m2, /* Modula-2 */
|
||
language_asm, /* Assembly language */
|
||
language_pascal, /* Pascal */
|
||
language_ada, /* Ada */
|
||
language_opencl, /* OpenCL */
|
||
language_minimal, /* All other languages, minimal support only */
|
||
nr_languages
|
||
};
|
||
|
||
enum precision_type
|
||
{
|
||
single_precision,
|
||
double_precision,
|
||
unspecified_precision
|
||
};
|
||
|
||
/* A generic, not quite boolean, enumeration. */
|
||
enum auto_boolean
|
||
{
|
||
AUTO_BOOLEAN_TRUE,
|
||
AUTO_BOOLEAN_FALSE,
|
||
AUTO_BOOLEAN_AUTO
|
||
};
|
||
|
||
/* Potential ways that a function can return a value of a given type. */
|
||
enum return_value_convention
|
||
{
|
||
/* Where the return value has been squeezed into one or more
|
||
registers. */
|
||
RETURN_VALUE_REGISTER_CONVENTION,
|
||
/* Commonly known as the "struct return convention". The caller
|
||
passes an additional hidden first parameter to the caller. That
|
||
parameter contains the address at which the value being returned
|
||
should be stored. While typically, and historically, used for
|
||
large structs, this is convention is applied to values of many
|
||
different types. */
|
||
RETURN_VALUE_STRUCT_CONVENTION,
|
||
/* Like the "struct return convention" above, but where the ABI
|
||
guarantees that the called function stores the address at which
|
||
the value being returned is stored in a well-defined location,
|
||
such as a register or memory slot in the stack frame. Don't use
|
||
this if the ABI doesn't explicitly guarantees this. */
|
||
RETURN_VALUE_ABI_RETURNS_ADDRESS,
|
||
/* Like the "struct return convention" above, but where the ABI
|
||
guarantees that the address at which the value being returned is
|
||
stored will be available in a well-defined location, such as a
|
||
register or memory slot in the stack frame. Don't use this if
|
||
the ABI doesn't explicitly guarantees this. */
|
||
RETURN_VALUE_ABI_PRESERVES_ADDRESS,
|
||
};
|
||
|
||
/* 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.
|
||
|
||
If the argument is pointer to allocated memory, then you need to
|
||
to additionally set the 'free_arg' member to a function that will
|
||
free that memory. This function will be called both when the cleanup
|
||
is executed and when it's discarded. */
|
||
|
||
struct cleanup
|
||
{
|
||
struct cleanup *next;
|
||
void (*function) (void *);
|
||
void (*free_arg) (void *);
|
||
void *arg;
|
||
};
|
||
|
||
/* Be conservative and use enum bitfields only with GCC.
|
||
This is copied from gcc 3.3.1, system.h. */
|
||
|
||
#if defined(__GNUC__) && (__GNUC__ >= 2)
|
||
#define ENUM_BITFIELD(TYPE) enum TYPE
|
||
#else
|
||
#define ENUM_BITFIELD(TYPE) unsigned int
|
||
#endif
|
||
|
||
/* vec.h-style vectors of strings want a typedef for char * . */
|
||
|
||
typedef char * char_ptr;
|
||
|
||
/* Needed for various prototypes */
|
||
|
||
struct symtab;
|
||
struct breakpoint;
|
||
struct frame_info;
|
||
struct gdbarch;
|
||
|
||
/* From utils.c */
|
||
|
||
extern void initialize_utils (void);
|
||
|
||
extern void notice_quit (void);
|
||
|
||
extern int strcmp_iw (const char *, const char *);
|
||
|
||
extern int strcmp_iw_ordered (const char *, const char *);
|
||
|
||
extern int streq (const char *, const char *);
|
||
|
||
extern int subset_compare (char *, char *);
|
||
|
||
extern char *safe_strerror (int);
|
||
|
||
extern void set_display_time (int);
|
||
|
||
extern void set_display_space (int);
|
||
|
||
#define ALL_CLEANUPS ((struct cleanup *)0)
|
||
|
||
extern void do_cleanups (struct cleanup *);
|
||
extern void do_final_cleanups (struct cleanup *);
|
||
|
||
extern void discard_cleanups (struct cleanup *);
|
||
extern void discard_final_cleanups (struct cleanup *);
|
||
extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
|
||
|
||
/* NOTE: cagney/2000-03-04: This typedef is strictly for the
|
||
make_cleanup function declarations below. Do not use this typedef
|
||
as a cast when passing functions into the make_cleanup() code.
|
||
Instead either use a bounce function or add a wrapper function.
|
||
Calling a f(char*) function with f(void*) is non-portable. */
|
||
typedef void (make_cleanup_ftype) (void *);
|
||
|
||
extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
|
||
|
||
extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *,
|
||
void (*dtor) (void *));
|
||
|
||
extern struct cleanup *make_cleanup_freeargv (char **);
|
||
|
||
struct ui_file;
|
||
extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
|
||
|
||
struct ui_out;
|
||
extern struct cleanup *
|
||
make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
|
||
|
||
struct section_addr_info;
|
||
extern struct cleanup *(make_cleanup_free_section_addr_info
|
||
(struct section_addr_info *));
|
||
|
||
extern struct cleanup *make_cleanup_close (int fd);
|
||
|
||
extern struct cleanup *make_cleanup_fclose (FILE *file);
|
||
|
||
extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
|
||
|
||
struct obstack;
|
||
extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
|
||
|
||
extern struct cleanup *make_cleanup_restore_integer (int *variable);
|
||
extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);
|
||
|
||
struct target_ops;
|
||
extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
|
||
|
||
extern struct cleanup *
|
||
make_cleanup_restore_ui_file (struct ui_file **variable);
|
||
|
||
extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
|
||
|
||
extern struct cleanup *make_my_cleanup (struct cleanup **,
|
||
make_cleanup_ftype *, void *);
|
||
|
||
extern struct cleanup *make_my_cleanup2 (struct cleanup **,
|
||
make_cleanup_ftype *, void *,
|
||
void (*free_arg) (void *));
|
||
|
||
extern struct cleanup *save_cleanups (void);
|
||
extern struct cleanup *save_final_cleanups (void);
|
||
extern struct cleanup *save_my_cleanups (struct cleanup **);
|
||
|
||
extern void restore_cleanups (struct cleanup *);
|
||
extern void restore_final_cleanups (struct cleanup *);
|
||
extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
|
||
|
||
extern void free_current_contents (void *);
|
||
|
||
extern void null_cleanup (void *);
|
||
|
||
extern struct cleanup *make_command_stats_cleanup (int);
|
||
|
||
extern int myread (int, char *, int);
|
||
|
||
extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
|
||
extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
|
||
extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
|
||
|
||
extern void init_page_info (void);
|
||
|
||
extern struct cleanup *make_cleanup_restore_page_info (void);
|
||
extern struct cleanup *
|
||
set_batch_flag_and_make_cleanup_restore_page_info (void);
|
||
|
||
extern char *gdb_realpath (const char *);
|
||
extern char *xfullpath (const char *);
|
||
|
||
extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
|
||
unsigned char *buf, size_t len);
|
||
|
||
ULONGEST strtoulst (const char *num, const char **trailer, int base);
|
||
|
||
char *ldirname (const char *filename);
|
||
|
||
char **gdb_buildargv (const char *);
|
||
|
||
int compare_positive_ints (const void *ap, const void *bp);
|
||
|
||
/* A wrapper for bfd_errmsg to produce a more helpful error message
|
||
in the case of bfd_error_file_ambiguously recognized.
|
||
MATCHING, if non-NULL, is the corresponding argument to
|
||
bfd_check_format_matches, and will be freed. */
|
||
|
||
extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
|
||
|
||
extern int parse_pid_to_attach (char *args);
|
||
|
||
/* From demangle.c */
|
||
|
||
extern void set_demangling_style (char *);
|
||
|
||
|
||
/* Annotation stuff. */
|
||
|
||
extern int annotation_level; /* in stack.c */
|
||
|
||
extern void begin_line (void);
|
||
|
||
extern void wrap_here (char *);
|
||
|
||
extern void reinitialize_more_filter (void);
|
||
|
||
/* Normal results */
|
||
extern struct ui_file *gdb_stdout;
|
||
/* Input stream */
|
||
extern struct ui_file *gdb_stdin;
|
||
/* Serious error notifications */
|
||
extern struct ui_file *gdb_stderr;
|
||
/* Log/debug/trace messages that should bypass normal stdout/stderr
|
||
filtering. For moment, always call this stream using
|
||
*_unfiltered. In the very near future that restriction shall be
|
||
removed - either call shall be unfiltered. (cagney 1999-06-13). */
|
||
extern struct ui_file *gdb_stdlog;
|
||
/* Target output that should bypass normal stdout/stderr filtering.
|
||
For moment, always call this stream using *_unfiltered. In the
|
||
very near future that restriction shall be removed - either call
|
||
shall be unfiltered. (cagney 1999-07-02). */
|
||
extern struct ui_file *gdb_stdtarg;
|
||
extern struct ui_file *gdb_stdtargerr;
|
||
extern struct ui_file *gdb_stdtargin;
|
||
|
||
#include "ui-file.h"
|
||
|
||
/* More generic printf like operations. Filtered versions may return
|
||
non-locally on error. */
|
||
|
||
extern void fputs_filtered (const char *, struct ui_file *);
|
||
|
||
extern void fputs_unfiltered (const char *, struct ui_file *);
|
||
|
||
extern int fputc_filtered (int c, struct ui_file *);
|
||
|
||
extern int fputc_unfiltered (int c, struct ui_file *);
|
||
|
||
extern int putchar_filtered (int c);
|
||
|
||
extern int putchar_unfiltered (int c);
|
||
|
||
extern void puts_filtered (const char *);
|
||
|
||
extern void puts_unfiltered (const char *);
|
||
|
||
extern void puts_filtered_tabular (char *string, int width, int right);
|
||
|
||
extern void puts_debug (char *prefix, char *string, char *suffix);
|
||
|
||
extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
|
||
|
||
extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
|
||
ATTRIBUTE_PRINTF (2, 0);
|
||
|
||
extern void fprintf_filtered (struct ui_file *, const char *, ...)
|
||
ATTRIBUTE_PRINTF (2, 3);
|
||
|
||
extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
|
||
ATTRIBUTE_PRINTF (3, 4);
|
||
|
||
extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
|
||
|
||
extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
|
||
|
||
extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
|
||
|
||
extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
|
||
ATTRIBUTE_PRINTF (2, 0);
|
||
|
||
extern void fprintf_unfiltered (struct ui_file *, const char *, ...)
|
||
ATTRIBUTE_PRINTF (2, 3);
|
||
|
||
extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
|
||
|
||
extern void print_spaces (int, struct ui_file *);
|
||
|
||
extern void print_spaces_filtered (int, struct ui_file *);
|
||
|
||
extern char *n_spaces (int);
|
||
|
||
extern void fputstr_filtered (const char *str, int quotr,
|
||
struct ui_file * stream);
|
||
|
||
extern void fputstr_unfiltered (const char *str, int quotr,
|
||
struct ui_file * stream);
|
||
|
||
extern void fputstrn_filtered (const char *str, int n, int quotr,
|
||
struct ui_file * stream);
|
||
|
||
extern void fputstrn_unfiltered (const char *str, int n, int quotr,
|
||
struct ui_file * stream);
|
||
|
||
/* Display the host ADDR on STREAM formatted as ``0x%x''. */
|
||
extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
|
||
|
||
extern const char *host_address_to_string (const void *addr);
|
||
|
||
/* Convert CORE_ADDR to string in platform-specific manner.
|
||
This is usually formatted similar to 0x%lx. */
|
||
extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
|
||
|
||
/* %d for LONGEST */
|
||
extern char *plongest (LONGEST l);
|
||
/* %u for ULONGEST */
|
||
extern char *pulongest (ULONGEST l);
|
||
|
||
extern char *phex (ULONGEST l, int sizeof_l);
|
||
extern char *phex_nz (ULONGEST l, int sizeof_l);
|
||
extern char *int_string (LONGEST, int, int, int, int);
|
||
|
||
/* Convert a CORE_ADDR into a HEX string with leading zeros.
|
||
The output from core_addr_to_string() can be passed direct to
|
||
string_to_core_addr(). */
|
||
extern const char *core_addr_to_string (const CORE_ADDR addr);
|
||
extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
|
||
extern CORE_ADDR string_to_core_addr (const char *my_string);
|
||
|
||
/* Return a string that contains a number formatted as a hex
|
||
string. */
|
||
extern char *hex_string (LONGEST);
|
||
extern char *hex_string_custom (LONGEST, int);
|
||
|
||
extern void fprintf_symbol_filtered (struct ui_file *, char *,
|
||
enum language, int);
|
||
|
||
extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
|
||
|
||
extern void print_sys_errmsg (const 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 (const char *);
|
||
|
||
/* From symfile.c */
|
||
|
||
extern void symbol_file_command (char *, int);
|
||
|
||
/* Remote targets may wish to use this as their load function. */
|
||
extern void generic_load (char *name, int from_tty);
|
||
|
||
/* Report on STREAM the performance of memory transfer operation,
|
||
such as 'load'.
|
||
DATA_COUNT is the number of bytes transferred.
|
||
WRITE_COUNT is the number of separate write operations, or 0,
|
||
if that information is not available.
|
||
START_TIME is the time at which an operation was started.
|
||
END_TIME is the time at which an operation ended. */
|
||
struct timeval;
|
||
extern void print_transfer_performance (struct ui_file *stream,
|
||
unsigned long data_count,
|
||
unsigned long write_count,
|
||
const struct timeval *start_time,
|
||
const struct timeval *end_time);
|
||
|
||
/* From top.c */
|
||
|
||
typedef void initialize_file_ftype (void);
|
||
|
||
extern char *skip_quoted (char *);
|
||
|
||
extern char *gdb_readline (char *);
|
||
|
||
extern char *gdb_readline_wrapper (char *);
|
||
|
||
extern char *command_line_input (char *, int, char *);
|
||
|
||
extern void print_prompt (void);
|
||
|
||
extern int input_from_terminal_p (void);
|
||
|
||
extern int info_verbose;
|
||
|
||
/* From printcmd.c */
|
||
|
||
extern void set_next_address (struct gdbarch *, CORE_ADDR);
|
||
|
||
extern void print_address_symbolic (struct gdbarch *, CORE_ADDR,
|
||
struct ui_file *, int, char *);
|
||
|
||
extern int build_address_symbolic (struct gdbarch *,
|
||
CORE_ADDR addr,
|
||
int do_demangle,
|
||
char **name,
|
||
int *offset,
|
||
char **filename,
|
||
int *line,
|
||
int *unmapped);
|
||
|
||
extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
|
||
extern const char *pc_prefix (CORE_ADDR);
|
||
|
||
/* From source.c */
|
||
|
||
#define OPF_TRY_CWD_FIRST 0x01
|
||
#define OPF_SEARCH_IN_PATH 0x02
|
||
|
||
extern int openp (const char *, int, const char *, int, char **);
|
||
|
||
extern int source_full_path_of (const char *, char **);
|
||
|
||
extern void mod_path (char *, char **);
|
||
|
||
extern void add_path (char *, char **, int);
|
||
|
||
extern void directory_command (char *, int);
|
||
|
||
extern void directory_switch (char *, int);
|
||
|
||
extern char *source_path;
|
||
|
||
extern void init_source_path (void);
|
||
|
||
/* From exec.c */
|
||
|
||
typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
|
||
int read, int write, int exec,
|
||
void *data);
|
||
|
||
/* Take over the 'find_mapped_memory' vector from exec.c. */
|
||
extern void exec_set_find_memory_regions
|
||
(int (*func) (find_memory_region_ftype func, void *data));
|
||
|
||
/* Possible lvalue types. Like enum language, this should be in
|
||
value.h, but needs to be here for the same reason. */
|
||
|
||
enum lval_type
|
||
{
|
||
/* Not an lval. */
|
||
not_lval,
|
||
/* In memory. */
|
||
lval_memory,
|
||
/* In a register. Registers are relative to a frame. */
|
||
lval_register,
|
||
/* In a gdb internal variable. */
|
||
lval_internalvar,
|
||
/* Part of a gdb internal variable (structure field). */
|
||
lval_internalvar_component,
|
||
/* Value's bits are fetched and stored using functions provided by
|
||
its creator. */
|
||
lval_computed
|
||
};
|
||
|
||
/* 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,
|
||
commands_control,
|
||
python_control,
|
||
while_stepping_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;
|
||
/* The number of elements in body_list. */
|
||
int body_count;
|
||
/* For composite commands, the nested lists of
|
||
commands. For example, for "if" command this
|
||
will contain the then branch and the else
|
||
branch, if that is available. */
|
||
struct command_line **body_list;
|
||
};
|
||
|
||
extern struct command_line *read_command_lines (char *, int, int,
|
||
void (*)(char *, void *),
|
||
void *);
|
||
extern struct command_line *read_command_lines_1 (char * (*) (void), int,
|
||
void (*)(char *, void *),
|
||
void *);
|
||
|
||
extern void free_command_lines (struct command_line **);
|
||
|
||
/* To continue the execution commands when running gdb asynchronously.
|
||
A continuation structure contains a pointer to a function to be called
|
||
to finish the command, once the target has stopped. Such mechanism is
|
||
used by the finish and until commands, and in the remote protocol
|
||
when opening an extended-remote connection. */
|
||
|
||
struct continuation;
|
||
struct thread_info;
|
||
struct inferior;
|
||
|
||
/* From utils.c */
|
||
|
||
/* Thread specific continuations. */
|
||
|
||
extern void add_continuation (struct thread_info *,
|
||
void (*)(void *), void *,
|
||
void (*)(void *));
|
||
extern void do_all_continuations (void);
|
||
extern void do_all_continuations_thread (struct thread_info *);
|
||
extern void discard_all_continuations (void);
|
||
extern void discard_all_continuations_thread (struct thread_info *);
|
||
|
||
extern void add_intermediate_continuation (struct thread_info *,
|
||
void (*)(void *), void *,
|
||
void (*)(void *));
|
||
extern void do_all_intermediate_continuations (void);
|
||
extern void do_all_intermediate_continuations_thread (struct thread_info *);
|
||
extern void discard_all_intermediate_continuations (void);
|
||
extern void discard_all_intermediate_continuations_thread (struct thread_info *);
|
||
|
||
/* Inferior specific (any thread) continuations. */
|
||
|
||
extern void add_inferior_continuation (void (*) (void *),
|
||
void *,
|
||
void (*) (void *));
|
||
extern void do_all_inferior_continuations (void);
|
||
extern void discard_all_inferior_continuations (struct inferior *inf);
|
||
|
||
/* 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
|
||
};
|
||
|
||
/* The ptid struct is a collection of the various "ids" necessary
|
||
for identifying the inferior. This consists of the process id
|
||
(pid), thread id (tid), and other fields necessary for uniquely
|
||
identifying the inferior process/thread being debugged. When
|
||
manipulating ptids, the constructors, accessors, and predicate
|
||
declared in inferior.h should be used. These are as follows:
|
||
|
||
ptid_build - Make a new ptid from a pid, lwp, and tid.
|
||
pid_to_ptid - Make a new ptid from just a pid.
|
||
ptid_get_pid - Fetch the pid component of a ptid.
|
||
ptid_get_lwp - Fetch the lwp component of a ptid.
|
||
ptid_get_tid - Fetch the tid component of a ptid.
|
||
ptid_equal - Test to see if two ptids are equal.
|
||
ptid_is_pid - Test to see if this ptid represents a process id.
|
||
|
||
Please do NOT access the struct ptid members directly (except, of
|
||
course, in the implementation of the above ptid manipulation
|
||
functions). */
|
||
|
||
struct ptid
|
||
{
|
||
/* Process id */
|
||
int pid;
|
||
|
||
/* Lightweight process id */
|
||
long lwp;
|
||
|
||
/* Thread id */
|
||
long tid;
|
||
};
|
||
|
||
typedef struct ptid ptid_t;
|
||
|
||
|
||
|
||
/* Optional native machine support. Non-native (and possibly pure
|
||
multi-arch) targets do not need a "nm.h" file. This will be a
|
||
symlink to one of the nm-*.h files, built by the `configure'
|
||
script. */
|
||
|
||
#ifdef GDB_NM_FILE
|
||
#include "nm.h"
|
||
#endif
|
||
|
||
/* Assume that fopen accepts the letter "b" in the mode string.
|
||
It is demanded by ISO C9X, and should be supported on all
|
||
platforms that claim to have a standard-conforming C library. On
|
||
true POSIX systems it will be ignored and have no effect. There
|
||
may still be systems without a standard-conforming C library where
|
||
an ISO C9X compiler (GCC) is available. Known examples are SunOS
|
||
4.x and 4.3BSD. This assumption means these systems are no longer
|
||
supported. */
|
||
#ifndef FOPEN_RB
|
||
# include "fopen-bin.h"
|
||
#endif
|
||
|
||
/* 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
|
||
|
||
#if !defined (ULONGEST_MAX)
|
||
#define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
|
||
#endif
|
||
|
||
#if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
|
||
#define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
|
||
#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. */
|
||
|
||
extern int longest_to_int (LONGEST);
|
||
|
||
/* Assorted functions we can declare, now that const and volatile are
|
||
defined. */
|
||
|
||
extern char *savestring (const char *, size_t);
|
||
|
||
/* xmalloc(), xrealloc() and xcalloc() have already been declared in
|
||
"libiberty.h". */
|
||
extern void xfree (void *);
|
||
|
||
/* Like xmalloc, but zero the memory. */
|
||
extern void *xzalloc (size_t);
|
||
|
||
/* Utility macros to allocate typed memory. Avoids errors like:
|
||
struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
|
||
sizeof (struct foo), 0). */
|
||
#define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
|
||
#define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
|
||
#define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
|
||
|
||
/* Like asprintf/vasprintf but get an internal_error if the call
|
||
fails. */
|
||
extern void xasprintf (char **ret, const char *format, ...)
|
||
ATTRIBUTE_PRINTF (2, 3);
|
||
extern void xvasprintf (char **ret, const char *format, va_list ap)
|
||
ATTRIBUTE_PRINTF (2, 0);
|
||
|
||
/* Like asprintf and vasprintf, but return the string, throw an error
|
||
if no memory. */
|
||
extern char *xstrprintf (const char *format, ...) ATTRIBUTE_PRINTF (1, 2);
|
||
extern char *xstrvprintf (const char *format, va_list ap)
|
||
ATTRIBUTE_PRINTF (1, 0);
|
||
|
||
/* Like snprintf, but throw an error if the output buffer is too small. */
|
||
extern int xsnprintf (char *str, size_t size, const char *format, ...)
|
||
ATTRIBUTE_PRINTF (3, 4);
|
||
|
||
extern int parse_escape (struct gdbarch *, char **);
|
||
|
||
/* 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 void verror (const char *fmt, va_list ap)
|
||
ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
|
||
|
||
extern void error (const char *fmt, ...)
|
||
ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
|
||
|
||
extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
|
||
|
||
extern void vfatal (const char *fmt, va_list ap)
|
||
ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
|
||
|
||
extern void fatal (const char *fmt, ...)
|
||
ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
|
||
|
||
extern void internal_verror (const char *file, int line, const char *,
|
||
va_list ap)
|
||
ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
|
||
|
||
extern void internal_error (const char *file, int line, const char *, ...)
|
||
ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 4);
|
||
|
||
extern void internal_vwarning (const char *file, int line,
|
||
const char *, va_list ap)
|
||
ATTRIBUTE_PRINTF (3, 0);
|
||
|
||
extern void internal_warning (const char *file, int line,
|
||
const char *, ...) ATTRIBUTE_PRINTF (3, 4);
|
||
|
||
extern void nomem (long) ATTRIBUTE_NORETURN;
|
||
|
||
extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
|
||
|
||
extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
|
||
|
||
/* List of known OS ABIs. If you change this, make sure to update the
|
||
table in osabi.c. */
|
||
enum gdb_osabi
|
||
{
|
||
GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
|
||
|
||
GDB_OSABI_UNKNOWN = 0, /* keep this zero */
|
||
|
||
GDB_OSABI_SVR4,
|
||
GDB_OSABI_HURD,
|
||
GDB_OSABI_SOLARIS,
|
||
GDB_OSABI_OSF1,
|
||
GDB_OSABI_LINUX,
|
||
GDB_OSABI_FREEBSD_AOUT,
|
||
GDB_OSABI_FREEBSD_ELF,
|
||
GDB_OSABI_NETBSD_AOUT,
|
||
GDB_OSABI_NETBSD_ELF,
|
||
GDB_OSABI_OPENBSD_ELF,
|
||
GDB_OSABI_WINCE,
|
||
GDB_OSABI_GO32,
|
||
GDB_OSABI_IRIX,
|
||
GDB_OSABI_INTERIX,
|
||
GDB_OSABI_HPUX_ELF,
|
||
GDB_OSABI_HPUX_SOM,
|
||
GDB_OSABI_QNXNTO,
|
||
GDB_OSABI_CYGWIN,
|
||
GDB_OSABI_AIX,
|
||
GDB_OSABI_DICOS,
|
||
GDB_OSABI_DARWIN,
|
||
GDB_OSABI_SYMBIAN,
|
||
|
||
GDB_OSABI_INVALID /* keep this last */
|
||
};
|
||
|
||
/* Global functions from other, non-gdb GNU thingies.
|
||
Libiberty thingies are no longer declared here. We include libiberty.h
|
||
above, instead. */
|
||
|
||
/* From other system libraries */
|
||
|
||
#ifdef HAVE_STDDEF_H
|
||
#include <stddef.h>
|
||
#endif
|
||
|
||
#ifdef HAVE_STDLIB_H
|
||
#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
|
||
|
||
|
||
#ifndef atof
|
||
extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
|
||
#endif
|
||
|
||
/* 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 *. */
|
||
extern void *alloca ();
|
||
#endif /* Not _AIX */
|
||
#endif /* Not HAVE_ALLOCA_H */
|
||
#endif /* Not GNU C */
|
||
#endif /* alloca not defined */
|
||
|
||
/* Dynamic target-system-dependent parameters for GDB. */
|
||
#include "gdbarch.h"
|
||
|
||
/* Maximum size of a register. Something small, but large enough for
|
||
all known ISAs. If it turns out to be too small, make it bigger. */
|
||
|
||
enum { MAX_REGISTER_SIZE = 64 };
|
||
|
||
/* 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
|
||
|
||
/* 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
|
||
|
||
/* In findvar.c. */
|
||
|
||
extern LONGEST extract_signed_integer (const gdb_byte *, int,
|
||
enum bfd_endian);
|
||
|
||
extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
|
||
enum bfd_endian);
|
||
|
||
extern int extract_long_unsigned_integer (const gdb_byte *, int,
|
||
enum bfd_endian, LONGEST *);
|
||
|
||
extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
|
||
struct type *type);
|
||
|
||
extern void store_signed_integer (gdb_byte *, int,
|
||
enum bfd_endian, LONGEST);
|
||
|
||
extern void store_unsigned_integer (gdb_byte *, int,
|
||
enum bfd_endian, ULONGEST);
|
||
|
||
extern void store_typed_address (gdb_byte *buf, struct type *type,
|
||
CORE_ADDR addr);
|
||
|
||
|
||
/* From valops.c */
|
||
|
||
extern int watchdog;
|
||
|
||
/* Hooks for alternate command interfaces. */
|
||
|
||
/* The name of the interpreter if specified on the command line. */
|
||
extern char *interpreter_p;
|
||
|
||
/* If a given interpreter matches INTERPRETER_P then it should update
|
||
deprecated_command_loop_hook and deprecated_init_ui_hook with the
|
||
per-interpreter implementation. */
|
||
/* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
|
||
should be moved here. */
|
||
|
||
struct target_waitstatus;
|
||
struct cmd_list_element;
|
||
|
||
extern void (*deprecated_pre_add_symbol_hook) (const char *);
|
||
extern void (*deprecated_post_add_symbol_hook) (void);
|
||
extern void (*selected_frame_level_changed_hook) (int);
|
||
extern int (*deprecated_ui_loop_hook) (int signo);
|
||
extern void (*deprecated_init_ui_hook) (char *argv0);
|
||
extern void (*deprecated_command_loop_hook) (void);
|
||
extern void (*deprecated_show_load_progress) (const char *section,
|
||
unsigned long section_sent,
|
||
unsigned long section_size,
|
||
unsigned long total_sent,
|
||
unsigned long total_size);
|
||
extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
|
||
int line,
|
||
int stopline,
|
||
int noerror);
|
||
extern int (*deprecated_query_hook) (const char *, va_list)
|
||
ATTRIBUTE_FPTR_PRINTF(1,0);
|
||
extern void (*deprecated_warning_hook) (const char *, va_list)
|
||
ATTRIBUTE_FPTR_PRINTF(1,0);
|
||
extern void (*deprecated_flush_hook) (struct ui_file * stream);
|
||
extern void (*deprecated_interactive_hook) (void);
|
||
extern void (*deprecated_readline_begin_hook) (char *, ...)
|
||
ATTRIBUTE_FPTR_PRINTF_1;
|
||
extern char *(*deprecated_readline_hook) (char *);
|
||
extern void (*deprecated_readline_end_hook) (void);
|
||
extern void (*deprecated_register_changed_hook) (int regno);
|
||
extern void (*deprecated_context_hook) (int);
|
||
extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
|
||
struct target_waitstatus *status,
|
||
int options);
|
||
|
||
extern void (*deprecated_attach_hook) (void);
|
||
extern void (*deprecated_detach_hook) (void);
|
||
extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
|
||
char *cmd, int from_tty);
|
||
|
||
extern void (*deprecated_set_hook) (struct cmd_list_element * c);
|
||
|
||
extern void (*deprecated_error_begin_hook) (void);
|
||
|
||
extern int (*deprecated_ui_load_progress_hook) (const char *section,
|
||
unsigned long num);
|
||
|
||
|
||
/* Inhibit window interface if non-zero. */
|
||
|
||
extern int use_windows;
|
||
|
||
/* Definitions of filename-related things. */
|
||
|
||
/* Host specific things. */
|
||
|
||
#ifdef __MSDOS__
|
||
# define CANT_FORK
|
||
# define GLOBAL_CURDIR
|
||
# define DIRNAME_SEPARATOR ';'
|
||
#endif
|
||
|
||
#if !defined (__CYGWIN__) && defined (_WIN32)
|
||
# define DIRNAME_SEPARATOR ';'
|
||
#endif
|
||
|
||
#ifndef DIRNAME_SEPARATOR
|
||
#define DIRNAME_SEPARATOR ':'
|
||
#endif
|
||
|
||
#ifndef SLASH_STRING
|
||
#define SLASH_STRING "/"
|
||
#endif
|
||
|
||
/* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
|
||
The name ``TIDGET'' is a historical accident. Many uses of TIDGET
|
||
in the code actually refer to a lightweight process id, i.e,
|
||
something that can be considered a process id in its own right for
|
||
certain purposes. */
|
||
|
||
#ifndef PIDGET
|
||
#define PIDGET(PTID) (ptid_get_pid (PTID))
|
||
#define TIDGET(PTID) (ptid_get_lwp (PTID))
|
||
#define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
|
||
#endif
|
||
|
||
/* Define well known filenos if the system does not define them. */
|
||
#ifndef STDIN_FILENO
|
||
#define STDIN_FILENO 0
|
||
#endif
|
||
#ifndef STDOUT_FILENO
|
||
#define STDOUT_FILENO 1
|
||
#endif
|
||
#ifndef STDERR_FILENO
|
||
#define STDERR_FILENO 2
|
||
#endif
|
||
|
||
/* If this definition isn't overridden by the header files, assume
|
||
that isatty and fileno exist on this system. */
|
||
#ifndef ISATTY
|
||
#define ISATTY(FP) (isatty (fileno (FP)))
|
||
#endif
|
||
|
||
/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
|
||
power of 2). Round up/down when necessary. Examples of correct
|
||
use include:
|
||
|
||
addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
|
||
write_memory (addr, value, len);
|
||
addr += len;
|
||
|
||
and:
|
||
|
||
sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
|
||
write_memory (sp, value, len);
|
||
|
||
Note that uses such as:
|
||
|
||
write_memory (addr, value, len);
|
||
addr += align_up (len, 8);
|
||
|
||
and:
|
||
|
||
sp -= align_up (len, 8);
|
||
write_memory (sp, value, len);
|
||
|
||
are typically not correct as they don't ensure that the address (SP
|
||
or ADDR) is correctly aligned (relying on previous alignment to
|
||
keep things right). This is also why the methods are called
|
||
"align_..." instead of "round_..." as the latter reads better with
|
||
this incorrect coding style. */
|
||
|
||
extern ULONGEST align_up (ULONGEST v, int n);
|
||
extern ULONGEST align_down (ULONGEST v, int n);
|
||
|
||
/* Allocation and deallocation functions for the libiberty hash table
|
||
which use obstacks. */
|
||
void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
|
||
void dummy_obstack_deallocate (void *object, void *data);
|
||
|
||
/* From progspace.c */
|
||
|
||
extern void initialize_progspace (void);
|
||
extern void initialize_inferiors (void);
|
||
|
||
#endif /* #ifndef DEFS_H */
|