mirror of
https://sourceware.org/git/binutils-gdb.git
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2f72f85088
* defs.h (deprecated_inside_entry_file): Delete declaration. * blockframe.c (deprecated_inside_entry_file): Delete function. (legacy_frame_chain_valid): Delete call. * sh64-tdep.c (sh64_frame_chain): Delete call. * objfiles.h: Update comments. * i386-interix-tdep.c (i386_interix_frame_chain_valid): Delete call. * frame.c (get_prev_frame): Delete call, update comments.
1336 lines
41 KiB
C
1336 lines
41 KiB
C
/* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
|
||
/* Basic, host-specific, and target-specific definitions for GDB.
|
||
Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
|
||
1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
|
||
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
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||
#define DEFS_H
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||
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||
#include "config.h" /* Generated by configure. */
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||
|
||
#include <stdio.h>
|
||
#include <errno.h> /* System call error return status. */
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||
#include <limits.h>
|
||
|
||
#ifdef HAVE_STDDEF_H
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||
#include <stddef.h>
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||
#else
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||
#include <sys/types.h> /* For size_t. */
|
||
#endif
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||
|
||
#ifdef HAVE_UNISTD_H
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||
#include <unistd.h>
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||
#endif
|
||
|
||
/* First include ansidecl.h so we can use the various macro definitions
|
||
here and in all subsequent file inclusions. */
|
||
|
||
#include "ansidecl.h"
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||
|
||
#include "gdb_locale.h"
|
||
|
||
/* For ``enum target_signal''. */
|
||
#include "gdb/signals.h"
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||
|
||
/* 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
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||
#endif
|
||
|
||
#include <stdarg.h> /* For va_list. */
|
||
|
||
#include "libiberty.h"
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||
|
||
/* For BFD64 and bfd_vma. */
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||
#include "bfd.h"
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||
|
||
|
||
/* The target is partially multi-arched. Both "tm.h" and the
|
||
multi-arch vector provide definitions. "tm.h" normally overrides
|
||
the multi-arch vector (but there are a few exceptions). */
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||
|
||
#define GDB_MULTI_ARCH_PARTIAL 1
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||
|
||
/* The target is partially multi-arched. Both the multi-arch vector
|
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and "tm.h" provide definitions. "tm.h" cannot override a definition
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||
provided by the multi-arch vector. It is detected as a compilation
|
||
error.
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||
|
||
This setting is only useful during a multi-arch conversion. */
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||
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||
#define GDB_MULTI_ARCH_TM 2
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/* The target is pure multi-arch. The MULTI-ARCH vector provides all
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definitions. "tm.h" is linked to an empty file. */
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#define GDB_MULTI_ARCH_PURE 3
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|
||
|
||
|
||
/* An address in the program being debugged. Host byte order. Rather
|
||
than duplicate all the logic in BFD which figures out what type
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this is (long, long long, etc.) and whether it needs to be 64
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bits (the host/target interactions are subtle), we just use
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bfd_vma. */
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typedef bfd_vma CORE_ADDR;
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/* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
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||
|
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#ifndef LONGEST
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||
|
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#ifdef BFD64
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||
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#define LONGEST BFD_HOST_64_BIT
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#define ULONGEST BFD_HOST_U_64_BIT
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||
|
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#else /* No BFD64 */
|
||
|
||
#ifdef CC_HAS_LONG_LONG
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#define LONGEST long long
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#define ULONGEST unsigned long long
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#else
|
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#ifdef BFD_HOST_64_BIT
|
||
/* BFD_HOST_64_BIT is defined for some hosts that don't have long long
|
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(e.g. i386-windows) so try it. */
|
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#define LONGEST BFD_HOST_64_BIT
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#define ULONGEST BFD_HOST_U_64_BIT
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#else
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#define LONGEST long
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#define ULONGEST unsigned long
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||
#endif
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#endif
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||
|
||
#endif /* No BFD64 */
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||
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||
#endif /* ! LONGEST */
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|
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#ifndef min
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#define min(a, b) ((a) < (b) ? (a) : (b))
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||
#endif
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#ifndef max
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#define max(a, b) ((a) > (b) ? (a) : (b))
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#endif
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|
||
/* Macros to do string compares.
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||
|
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NOTE: cagney/2000-03-14:
|
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|
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While old code can continue to refer to these macros, new code is
|
||
probably better off using strcmp() directly vis: ``strcmp() == 0''
|
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and ``strcmp() != 0''.
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||
|
||
This is because modern compilers can directly inline strcmp()
|
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making the original justification for these macros - avoid function
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call overhead by pre-testing the first characters
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(``*X==*Y?...:0'') - redundant.
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||
|
||
``Even if [...] testing the first character does have a modest
|
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performance improvement, I'd rather that whenever a performance
|
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issue is found that we spend the effort on algorithmic
|
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optimizations than micro-optimizing.'' J.T. */
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||
|
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/* NOTE: cagney/2003-11-23: All instances of STREQ[N] covered by
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||
testing GDB on a stabs system have been replaced by equivalent
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||
str[n]cmp calls. To avoid the possability of introducing bugs when
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||
making untested changes, the remaining references were deprecated
|
||
rather than replaced. */
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/* DISCLAIMER: cagney/2003-11-23: Simplified definition of these
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macros so that they just map directly onto strcmp equivalent. I'm
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not responsible for any breakage due to code that relied on the old
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underlying implementation. */
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#define DEPRECATED_STREQ(a,b) (strcmp ((a), (b)) == 0)
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#define DEPRECATED_STREQN(a,b,c) (strncmp ((a), (b), (c)) == 0)
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||
/* Check if a character is one of the commonly used C++ marker characters. */
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extern int is_cplus_marker (int);
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||
|
||
/* enable xdb commands if set */
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||
extern int xdb_commands;
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||
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||
/* enable dbx commands if set */
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extern int dbx_commands;
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||
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||
/* System root path, used to find libraries etc. */
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||
extern char *gdb_sysroot;
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extern int quit_flag;
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extern int immediate_quit;
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extern int sevenbit_strings;
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extern void quit (void);
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/* FIXME: cagney/2000-03-13: It has been suggested that the peformance
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||
benefits of having a ``QUIT'' macro rather than a function are
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marginal. If the overhead of a QUIT function call is proving
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||
significant then its calling frequency should probably be reduced
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[kingdon]. A profile analyzing the current situtation is
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needed. */
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#ifdef QUIT
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/* do twice to force compiler warning */
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#define QUIT_FIXME "FIXME"
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#define QUIT_FIXME "ignoring redefinition of QUIT"
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#else
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#define QUIT { \
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if (quit_flag) quit (); \
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if (deprecated_interactive_hook) deprecated_interactive_hook (); \
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}
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#endif
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/* Languages represented in the symbol table and elsewhere.
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This should probably be in language.h, but since enum's can't
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be forward declared to satisfy opaque references before their
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actual definition, needs to be here. */
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enum language
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{
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language_unknown, /* Language not known */
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language_auto, /* Placeholder for automatic setting */
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language_c, /* C */
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language_cplus, /* C++ */
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language_objc, /* Objective-C */
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language_java, /* Java */
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language_fortran, /* Fortran */
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language_m2, /* Modula-2 */
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language_asm, /* Assembly language */
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language_scm, /* Scheme / Guile */
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language_pascal, /* Pascal */
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language_minimal /* All other languages, minimal support only */
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};
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enum precision_type
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{
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single_precision,
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double_precision,
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unspecified_precision
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};
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/* A generic, not quite boolean, enumeration. */
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enum auto_boolean
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{
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AUTO_BOOLEAN_TRUE,
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AUTO_BOOLEAN_FALSE,
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AUTO_BOOLEAN_AUTO
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};
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/* Potential ways that a function can return a value of a given type. */
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enum return_value_convention
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{
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/* Where the return value has been squeezed into one or more
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registers. */
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RETURN_VALUE_REGISTER_CONVENTION,
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/* Commonly known as the "struct return convention". The caller
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passes an additional hidden first parameter to the caller. That
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parameter contains the address at which the value being returned
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should be stored. While typically, and historically, used for
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large structs, this is convention is applied to values of many
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different types. */
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RETURN_VALUE_STRUCT_CONVENTION
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};
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/* the cleanup list records things that have to be undone
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if an error happens (descriptors to be closed, memory to be freed, etc.)
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Each link in the chain records a function to call and an
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argument to give it.
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Use make_cleanup to add an element to the cleanup chain.
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Use do_cleanups to do all cleanup actions back to a given
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point in the chain. Use discard_cleanups to remove cleanups
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from the chain back to a given point, not doing them. */
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struct cleanup
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{
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struct cleanup *next;
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void (*function) (void *);
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void *arg;
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};
|
||
|
||
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/* The ability to declare that a function never returns is useful, but
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not really required to compile GDB successfully, so the NORETURN and
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ATTR_NORETURN macros normally expand into nothing. */
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/* If compiling with older versions of GCC, a function may be declared
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"volatile" to indicate that it does not return. */
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#ifndef NORETURN
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#if defined(__GNUC__) \
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&& (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
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#define NORETURN volatile
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#else
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#define NORETURN /* nothing */
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#endif
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#endif
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/* GCC 2.5 and later versions define a function attribute "noreturn",
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which is the preferred way to declare that a function never returns.
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However GCC 2.7 appears to be the first version in which this fully
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works everywhere we use it. */
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#ifndef ATTR_NORETURN
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#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
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#define ATTR_NORETURN __attribute__ ((noreturn))
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#else
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#define ATTR_NORETURN /* nothing */
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#endif
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#endif
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#ifndef ATTR_FORMAT
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#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
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#define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
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#else
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#define ATTR_FORMAT(type, x, y) /* nothing */
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#endif
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#endif
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/* Be conservative and use enum bitfields only with GCC.
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This is copied from gcc 3.3.1, system.h. */
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#if defined(__GNUC__) && (__GNUC__ >= 2)
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#define ENUM_BITFIELD(TYPE) enum TYPE
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#else
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#define ENUM_BITFIELD(TYPE) unsigned int
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#endif
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/* Needed for various prototypes */
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struct symtab;
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struct breakpoint;
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struct frame_info;
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/* From blockframe.c */
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extern int inside_entry_func (struct frame_info *this_frame);
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extern int inside_main_func (CORE_ADDR pc);
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/* From utils.c */
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||
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extern void initialize_utils (void);
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||
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||
extern void notice_quit (void);
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||
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extern int strcmp_iw (const char *, const char *);
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extern int strcmp_iw_ordered (const char *, const char *);
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||
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||
extern int streq (const char *, const char *);
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extern int subset_compare (char *, char *);
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||
|
||
extern char *safe_strerror (int);
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||
|
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extern void init_malloc (void *);
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||
|
||
extern void request_quit (int);
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||
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extern void do_cleanups (struct cleanup *);
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extern void do_final_cleanups (struct cleanup *);
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extern void do_run_cleanups (struct cleanup *);
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extern void do_exec_cleanups (struct cleanup *);
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extern void do_exec_error_cleanups (struct cleanup *);
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|
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extern void discard_cleanups (struct cleanup *);
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extern void discard_final_cleanups (struct cleanup *);
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extern void discard_exec_error_cleanups (struct cleanup *);
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extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
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|
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/* NOTE: cagney/2000-03-04: This typedef is strictly for the
|
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make_cleanup function declarations below. Do not use this typedef
|
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as a cast when passing functions into the make_cleanup() code.
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Instead either use a bounce function or add a wrapper function.
|
||
Calling a f(char*) function with f(void*) is non-portable. */
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typedef void (make_cleanup_ftype) (void *);
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extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
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extern struct cleanup *make_cleanup_freeargv (char **);
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struct ui_file;
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extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
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extern struct cleanup *make_cleanup_close (int fd);
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|
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extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
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extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
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extern struct cleanup *make_my_cleanup (struct cleanup **,
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make_cleanup_ftype *, void *);
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extern struct cleanup *make_run_cleanup (make_cleanup_ftype *, void *);
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extern struct cleanup *make_exec_cleanup (make_cleanup_ftype *, void *);
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extern struct cleanup *make_exec_error_cleanup (make_cleanup_ftype *, void *);
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extern struct cleanup *save_cleanups (void);
|
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extern struct cleanup *save_final_cleanups (void);
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extern struct cleanup *save_my_cleanups (struct cleanup **);
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|
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extern void restore_cleanups (struct cleanup *);
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extern void restore_final_cleanups (struct cleanup *);
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extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
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||
|
||
extern void free_current_contents (void *);
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||
|
||
extern void null_cleanup (void *);
|
||
|
||
extern int myread (int, char *, int);
|
||
|
||
extern int query (const char *, ...) ATTR_FORMAT (printf, 1, 2);
|
||
extern int nquery (const char *, ...) ATTR_FORMAT (printf, 1, 2);
|
||
extern int yquery (const char *, ...) ATTR_FORMAT (printf, 1, 2);
|
||
|
||
extern void init_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);
|
||
|
||
/* From demangle.c */
|
||
|
||
extern void set_demangling_style (char *);
|
||
|
||
/* From tm.h */
|
||
|
||
struct type;
|
||
typedef int (use_struct_convention_fn) (int gcc_p, struct type * value_type);
|
||
extern use_struct_convention_fn generic_use_struct_convention;
|
||
|
||
|
||
/* 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) ATTR_FORMAT (printf, 1, 0);
|
||
|
||
extern void vfprintf_filtered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
|
||
|
||
extern void fprintf_filtered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
|
||
|
||
extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 3, 4);
|
||
|
||
extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
|
||
|
||
extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf, 2, 3);
|
||
|
||
extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
|
||
|
||
extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
|
||
|
||
extern void fprintf_unfiltered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
|
||
|
||
extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (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_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);
|
||
|
||
/* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
|
||
paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
|
||
for ``%*''. */
|
||
extern int strlen_paddr (void);
|
||
extern char *paddr (CORE_ADDR addr);
|
||
extern char *paddr_nz (CORE_ADDR addr);
|
||
extern char *paddr_u (CORE_ADDR addr);
|
||
extern char *paddr_d (LONGEST addr);
|
||
|
||
extern char *phex (ULONGEST l, int sizeof_l);
|
||
extern char *phex_nz (ULONGEST l, int sizeof_l);
|
||
|
||
/* Like paddr() only print/scan raw CORE_ADDR. 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);
|
||
|
||
extern void fprintf_symbol_filtered (struct ui_file *, char *,
|
||
enum language, int);
|
||
|
||
extern NORETURN void perror_with_name (const char *) ATTR_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);
|
||
|
||
/* Summarise a download */
|
||
extern void print_transfer_performance (struct ui_file *stream,
|
||
unsigned long data_count,
|
||
unsigned long write_count,
|
||
unsigned long time_count);
|
||
|
||
/* 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 (CORE_ADDR);
|
||
|
||
extern void print_address_symbolic (CORE_ADDR, struct ui_file *, int,
|
||
char *);
|
||
|
||
extern int build_address_symbolic (CORE_ADDR addr,
|
||
int do_demangle,
|
||
char **name,
|
||
int *offset,
|
||
char **filename,
|
||
int *line,
|
||
int *unmapped);
|
||
|
||
extern void print_address_numeric (CORE_ADDR, int, struct ui_file *);
|
||
|
||
extern void print_address (CORE_ADDR, struct ui_file *);
|
||
|
||
/* From source.c */
|
||
|
||
extern int openp (const char *, int, const char *, int, int, char **);
|
||
|
||
extern int source_full_path_of (char *, char **);
|
||
|
||
extern void mod_path (char *, char **);
|
||
|
||
extern void add_path (char *, char **, int);
|
||
|
||
extern void directory_command (char *, int);
|
||
|
||
extern char *source_path;
|
||
|
||
extern void init_source_path (void);
|
||
|
||
extern void init_last_source_visited (void);
|
||
|
||
extern char *symtab_to_filename (struct symtab *);
|
||
|
||
/* From exec.c */
|
||
|
||
extern void exec_set_section_offsets (bfd_signed_vma text_off,
|
||
bfd_signed_vma data_off,
|
||
bfd_signed_vma bss_off);
|
||
|
||
/* Take over the 'find_mapped_memory' vector from exec.c. */
|
||
extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR,
|
||
unsigned long,
|
||
int, int, int,
|
||
void *),
|
||
void *));
|
||
|
||
/* 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. Could be a saved register. */
|
||
lval_memory,
|
||
/* In a register. */
|
||
lval_register,
|
||
/* In a gdb internal variable. */
|
||
lval_internalvar,
|
||
/* Part of a gdb internal variable (structure field). */
|
||
lval_internalvar_component,
|
||
/* In a register series in a frame not the current one, which may have been
|
||
partially saved or saved in different places (otherwise would be
|
||
lval_register or lval_memory). */
|
||
lval_reg_frame_relative
|
||
};
|
||
|
||
/* 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 (char *, int);
|
||
|
||
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 bt the finish and until commands, and in the remote protocol
|
||
when opening an extended-remote connection. */
|
||
|
||
struct continuation_arg
|
||
{
|
||
struct continuation_arg *next;
|
||
union continuation_data {
|
||
void *pointer;
|
||
int integer;
|
||
long longint;
|
||
} data;
|
||
};
|
||
|
||
struct continuation
|
||
{
|
||
void (*continuation_hook) (struct continuation_arg *);
|
||
struct continuation_arg *arg_list;
|
||
struct continuation *next;
|
||
};
|
||
|
||
/* In infrun.c. */
|
||
extern struct continuation *cmd_continuation;
|
||
/* Used only by the step_1 function. */
|
||
extern struct continuation *intermediate_continuation;
|
||
|
||
/* From utils.c */
|
||
extern void add_continuation (void (*)(struct continuation_arg *),
|
||
struct continuation_arg *);
|
||
extern void do_all_continuations (void);
|
||
extern void discard_all_continuations (void);
|
||
|
||
extern void add_intermediate_continuation (void (*)(struct continuation_arg *),
|
||
struct continuation_arg *);
|
||
extern void do_all_intermediate_continuations (void);
|
||
extern void discard_all_intermediate_continuations (void);
|
||
|
||
/* 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.
|
||
|
||
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 host machine definition. Pure autoconf targets will not
|
||
need a "xm.h" file. This will be a symlink to one of the xm-*.h
|
||
files, built by the `configure' script. */
|
||
|
||
#ifdef GDB_XM_FILE
|
||
#include "xm.h"
|
||
#endif
|
||
|
||
/* 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
|
||
|
||
/* Optional target machine definition. Pure multi-arch configurations
|
||
do not need a "tm.h" file. This will be a symlink to one of the
|
||
tm-*.h files, built by the `configure' script. */
|
||
|
||
#ifdef GDB_TM_FILE
|
||
#include "tm.h"
|
||
#endif
|
||
|
||
/* 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
|
||
|
||
/* 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);
|
||
|
||
extern char *msavestring (void *, const char *, size_t);
|
||
|
||
extern char *mstrsave (void *, const char *);
|
||
|
||
/* Robust versions of same. Throw an internal error when no memory,
|
||
guard against stray NULL arguments. */
|
||
extern void *xmmalloc (void *md, size_t size);
|
||
extern void *xmrealloc (void *md, void *ptr, size_t size);
|
||
extern void *xmcalloc (void *md, size_t number, size_t size);
|
||
extern void xmfree (void *md, void *ptr);
|
||
|
||
/* xmalloc(), xrealloc() and xcalloc() have already been declared in
|
||
"libiberty.h". */
|
||
extern void xfree (void *);
|
||
|
||
/* 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*) memset (xmalloc (sizeof (TYPE)), 0, 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, ...) ATTR_FORMAT (printf, 2, 3);
|
||
extern void xvasprintf (char **ret, const char *format, va_list ap);
|
||
|
||
/* Like asprintf, but return the string, throw an error if no memory. */
|
||
extern char *xstrprintf (const char *format, ...) ATTR_FORMAT (printf, 1, 2);
|
||
|
||
extern int parse_escape (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 NORETURN void verror (const char *fmt, va_list ap) ATTR_NORETURN;
|
||
|
||
extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
|
||
|
||
extern NORETURN void error_silent (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
|
||
|
||
extern NORETURN void error_stream (struct ui_file *) ATTR_NORETURN;
|
||
|
||
/* Initialize the error buffer. */
|
||
extern void error_init (void);
|
||
|
||
/* Returns a freshly allocate buffer containing the last error
|
||
message. */
|
||
extern char *error_last_message (void);
|
||
|
||
/* Output arbitrary error message. */
|
||
extern void error_output_message (char *pre_print, char *msg);
|
||
|
||
extern NORETURN void internal_verror (const char *file, int line,
|
||
const char *, va_list ap) ATTR_NORETURN;
|
||
|
||
extern NORETURN void internal_error (const char *file, int line,
|
||
const char *, ...) ATTR_NORETURN ATTR_FORMAT (printf, 3, 4);
|
||
|
||
extern void internal_vwarning (const char *file, int line,
|
||
const char *, va_list ap);
|
||
|
||
extern void internal_warning (const char *file, int line,
|
||
const char *, ...) ATTR_FORMAT (printf, 3, 4);
|
||
|
||
extern NORETURN void nomem (long) ATTR_NORETURN;
|
||
|
||
/* Reasons for calling throw_exception(). NOTE: all reason values
|
||
must be less than zero. enum value 0 is reserved for internal use
|
||
as the return value from an initial setjmp(). The function
|
||
catch_exceptions() reserves values >= 0 as legal results from its
|
||
wrapped function. */
|
||
|
||
enum return_reason
|
||
{
|
||
/* User interrupt. */
|
||
RETURN_QUIT = -2,
|
||
/* Any other error. */
|
||
RETURN_ERROR
|
||
};
|
||
|
||
#define ALL_CLEANUPS ((struct cleanup *)0)
|
||
|
||
#define RETURN_MASK(reason) (1 << (int)(-reason))
|
||
#define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
|
||
#define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
|
||
#define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
|
||
typedef int return_mask;
|
||
|
||
/* Throw an exception of type RETURN_REASON. Will execute a LONG JUMP
|
||
to the inner most containing exception handler established using
|
||
catch_exceptions() (or the legacy catch_errors()).
|
||
|
||
Code normally throws an exception using error() et.al. For various
|
||
reaons, GDB also contains code that throws an exception directly.
|
||
For instance, the remote*.c targets contain CNTRL-C signal handlers
|
||
that propogate the QUIT event up the exception chain. ``This could
|
||
be a good thing or a dangerous thing.'' -- the Existential Wombat. */
|
||
|
||
extern NORETURN void throw_exception (enum return_reason) ATTR_NORETURN;
|
||
|
||
/* Call FUNC(UIOUT, FUNC_ARGS) but wrapped within an exception
|
||
handler. If an exception (enum return_reason) is thrown using
|
||
throw_exception() than all cleanups installed since
|
||
catch_exceptions() was entered are invoked, the (-ve) exception
|
||
value is then returned by catch_exceptions. If FUNC() returns
|
||
normally (with a postive or zero return value) then that value is
|
||
returned by catch_exceptions(). It is an internal_error() for
|
||
FUNC() to return a negative value.
|
||
|
||
For the period of the FUNC() call: UIOUT is installed as the output
|
||
builder; ERRSTRING is installed as the error/quit message; and a
|
||
new cleanup_chain is established. The old values are restored
|
||
before catch_exceptions() returns.
|
||
|
||
The variant catch_exceptions_with_msg() is the same as
|
||
catch_exceptions() but adds the ability to return an allocated
|
||
copy of the gdb error message. This is used when a silent error is
|
||
issued and the caller wants to manually issue the error message.
|
||
|
||
FIXME; cagney/2001-08-13: The need to override the global UIOUT
|
||
builder variable should just go away.
|
||
|
||
This function superseeds catch_errors().
|
||
|
||
This function uses SETJMP() and LONGJUMP(). */
|
||
|
||
struct ui_out;
|
||
typedef int (catch_exceptions_ftype) (struct ui_out *ui_out, void *args);
|
||
extern int catch_exceptions (struct ui_out *uiout,
|
||
catch_exceptions_ftype *func, void *func_args,
|
||
char *errstring, return_mask mask);
|
||
extern int catch_exceptions_with_msg (struct ui_out *uiout,
|
||
catch_exceptions_ftype *func,
|
||
void *func_args,
|
||
char *errstring, char **gdberrmsg,
|
||
return_mask mask);
|
||
|
||
/* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
|
||
otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
|
||
probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
|
||
value. It's unfortunate that, catch_errors() does not return an
|
||
indication of the exact exception that it caught - quit_flag might
|
||
help.
|
||
|
||
This function is superseeded by catch_exceptions(). */
|
||
|
||
typedef int (catch_errors_ftype) (void *);
|
||
extern int catch_errors (catch_errors_ftype *, void *, char *, return_mask);
|
||
|
||
/* Template to catch_errors() that wraps calls to command
|
||
functions. */
|
||
|
||
typedef void (catch_command_errors_ftype) (char *, int);
|
||
extern int catch_command_errors (catch_command_errors_ftype *func, char *command, int from_tty, return_mask);
|
||
|
||
extern void warning (const char *, ...) ATTR_FORMAT (printf, 1, 2);
|
||
|
||
extern void vwarning (const char *, va_list args);
|
||
|
||
/* 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_NETWARE,
|
||
GDB_OSABI_IRIX,
|
||
GDB_OSABI_LYNXOS,
|
||
GDB_OSABI_INTERIX,
|
||
GDB_OSABI_HPUX_ELF,
|
||
GDB_OSABI_HPUX_SOM,
|
||
|
||
GDB_OSABI_ARM_EABI_V1,
|
||
GDB_OSABI_ARM_EABI_V2,
|
||
GDB_OSABI_ARM_APCS,
|
||
GDB_OSABI_QNXNTO,
|
||
|
||
GDB_OSABI_CYGWIN,
|
||
|
||
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. */
|
||
|
||
#ifndef GETENV_PROVIDED
|
||
extern char *getenv (const char *);
|
||
#endif
|
||
|
||
/* 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
|
||
|
||
|
||
/* 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 (FILE *);
|
||
#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 */
|
||
|
||
/* Is GDB multi-arch? If there's a "tm.h" file, it is not. */
|
||
#ifndef GDB_MULTI_ARCH
|
||
#ifdef GDB_TM_FILE
|
||
#define GDB_MULTI_ARCH GDB_MULTI_ARCH_PARTIAL
|
||
#else
|
||
#define GDB_MULTI_ARCH GDB_MULTI_ARCH_PURE
|
||
#endif
|
||
#endif
|
||
|
||
/* 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 = 16 };
|
||
|
||
/* 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
|
||
|
||
/* 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 == BFD_ENDIAN_BIG)
|
||
#endif
|
||
|
||
/* In findvar.c. */
|
||
|
||
extern LONGEST extract_signed_integer (const void *, int);
|
||
|
||
extern ULONGEST extract_unsigned_integer (const void *, int);
|
||
|
||
extern int extract_long_unsigned_integer (const void *, int, LONGEST *);
|
||
|
||
extern CORE_ADDR extract_typed_address (const void *buf, struct type *type);
|
||
|
||
extern void store_signed_integer (void *, int, LONGEST);
|
||
|
||
extern void store_unsigned_integer (void *, int, ULONGEST);
|
||
|
||
extern void store_typed_address (void *buf, struct type *type, CORE_ADDR addr);
|
||
|
||
|
||
/* From valops.c */
|
||
|
||
extern CORE_ADDR push_bytes (CORE_ADDR, char *, int);
|
||
|
||
extern CORE_ADDR push_word (CORE_ADDR, ULONGEST);
|
||
|
||
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;
|
||
|
||
/* Should the asynchronous variant of the interpreter (using the
|
||
event-loop) be enabled? */
|
||
extern int event_loop_p;
|
||
|
||
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 struct frame_info *parse_frame_specification (char *frame_exp);
|
||
extern int (*deprecated_query_hook) (const char *, va_list);
|
||
extern void (*deprecated_warning_hook) (const char *, va_list);
|
||
extern void (*deprecated_flush_hook) (struct ui_file * stream);
|
||
extern void (*deprecated_create_breakpoint_hook) (struct breakpoint * b);
|
||
extern void (*deprecated_delete_breakpoint_hook) (struct breakpoint * bpt);
|
||
extern void (*deprecated_modify_breakpoint_hook) (struct breakpoint * bpt);
|
||
extern void (*deprecated_interactive_hook) (void);
|
||
extern void (*deprecated_registers_changed_hook) (void);
|
||
extern void (*deprecated_readline_begin_hook) (char *,...);
|
||
extern char *(*deprecated_readline_hook) (char *);
|
||
extern void (*deprecated_readline_end_hook) (void);
|
||
extern void (*deprecated_register_changed_hook) (int regno);
|
||
extern void (*deprecated_memory_changed_hook) (CORE_ADDR addr, int len);
|
||
extern void (*deprecated_context_hook) (int);
|
||
extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
|
||
struct target_waitstatus * status);
|
||
|
||
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 NORETURN void (*deprecated_error_hook) (void) ATTR_NORETURN;
|
||
|
||
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;
|
||
|
||
/* 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_STRING
|
||
#define SLASH_STRING "/"
|
||
#endif
|
||
|
||
#ifdef __MSDOS__
|
||
# define CANT_FORK
|
||
# define GLOBAL_CURDIR
|
||
#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);
|
||
|
||
#endif /* #ifndef DEFS_H */
|