1 /* Declarations for common convenience functions.
2 Copyright (C) 2006-2011 Red Hat, Inc.
3 This file is part of Red Hat elfutils.
5 Red Hat elfutils is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by the
7 Free Software Foundation; version 2 of the License.
9 Red Hat elfutils is distributed in the hope that it will be useful, but
10 WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 General Public License for more details.
14 You should have received a copy of the GNU General Public License along
15 with Red Hat elfutils; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
18 In addition, as a special exception, Red Hat, Inc. gives You the
19 additional right to link the code of Red Hat elfutils with code licensed
20 under an Open Source Initiative certified open source license
21 (http://www.opensource.org/licenses/index.php) and to distribute linked
22 combinations including the two. Non-GPL Code permitted under this
23 exception must only link to the code of Red Hat elfutils through those
24 well defined interfaces identified in the file named EXCEPTION found in
25 the source code files (the "Approved Interfaces"). The files of Non-GPL
26 Code may instantiate templates or use macros or inline functions from
27 the Approved Interfaces without causing the resulting work to be covered
28 by the GNU General Public License. Only Red Hat, Inc. may make changes
29 or additions to the list of Approved Interfaces. Red Hat's grant of
30 this exception is conditioned upon your not adding any new exceptions.
31 If you wish to add a new Approved Interface or exception, please contact
32 Red Hat. You must obey the GNU General Public License in all respects
33 for all of the Red Hat elfutils code and other code used in conjunction
34 with Red Hat elfutils except the Non-GPL Code covered by this exception.
35 If you modify this file, you may extend this exception to your version
36 of the file, but you are not obligated to do so. If you do not wish to
37 provide this exception without modification, you must delete this
38 exception statement from your version and license this file solely under
39 the GPL without exception.
41 Red Hat elfutils is an included package of the Open Invention Network.
42 An included package of the Open Invention Network is a package for which
43 Open Invention Network licensees cross-license their patents. No patent
44 license is granted, either expressly or impliedly, by designation as an
45 included package. Should you wish to participate in the Open Invention
46 Network licensing program, please visit www.openinventionnetwork.com
47 <http://www.openinventionnetwork.com>. */
50 #define LIB_SYSTEM_H 1
58 #if __BYTE_ORDER == __LITTLE_ENDIAN
60 # define BE32(n) bswap_32 (n)
61 #elif __BYTE_ORDER == __BIG_ENDIAN
63 # define LE32(n) bswap_32 (n)
65 # error "Unknown byte order"
68 extern void *xmalloc (size_t) __attribute__ ((__malloc__));
69 extern void *xcalloc (size_t, size_t) __attribute__ ((__malloc__));
70 extern void *xrealloc (void *, size_t) __attribute__ ((__malloc__));
72 extern char *xstrdup (const char *) __attribute__ ((__malloc__));
73 extern char *xstrndup (const char *, size_t) __attribute__ ((__malloc__));
76 extern uint32_t crc32 (uint32_t crc, unsigned char *buf, size_t len);
77 extern int crc32_file (int fd, uint32_t *resp);
79 /* A special gettext function we use if the strings are too short. */
80 #define sgettext(Str) \
81 ({ const char *__res = strrchr (gettext (Str), '|'); \
82 __res ? __res + 1 : Str; })
84 #define gettext_noop(Str) Str
87 #define pwrite_retry(fd, buf, len, off) \
88 TEMP_FAILURE_RETRY (pwrite (fd, buf, len, off))
89 #define write_retry(fd, buf, n) \
90 TEMP_FAILURE_RETRY (write (fd, buf, n))
91 #define pread_retry(fd, buf, len, off) \
92 TEMP_FAILURE_RETRY (pread (fd, buf, len, off))
95 /* We need define two variables, argp_program_version_hook and
96 argp_program_bug_address, in all programs. argp.h declares these
97 variables as non-const (which is correct in general). But we can
98 do better, it is not going to change. So we want to move them into
99 the .rodata section. Define macros to do the trick. */
100 #define ARGP_PROGRAM_VERSION_HOOK_DEF \
101 void (*const apvh) (FILE *, struct argp_state *) \
102 __asm ("argp_program_version_hook")
103 #define ARGP_PROGRAM_BUG_ADDRESS_DEF \
104 const char *const apba__ __asm ("argp_program_bug_address")
107 /* The demangler from libstdc++. */
108 extern char *__cxa_demangle (const char *mangled_name, char *output_buffer,
109 size_t *length, int *status);
113 /* Color handling. */
115 /* Command line parser. */
116 extern const struct argp color_argp;
124 } __attribute__ ((packed));
125 extern enum color_enum color_mode;
127 /* Colors to use for the various components. */
128 extern char *color_address;
129 extern char *color_bytes;
130 extern char *color_mnemonic;
131 extern char *color_operand1;
132 extern char *color_operand2;
133 extern char *color_operand3;
134 extern char *color_label;
135 extern char *color_undef;
136 extern char *color_undef_tls;
137 extern char *color_undef_weak;
138 extern char *color_symbol;
139 extern char *color_tls;
140 extern char *color_weak;
142 extern const char color_off[];
144 #endif /* system.h */