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Diffstat (limited to 'src/lib/system.h')
| -rw-r--r-- | src/lib/system.h | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/lib/system.h b/src/lib/system.h new file mode 100644 index 00000000..3f9f0af5 --- /dev/null +++ b/src/lib/system.h @@ -0,0 +1,144 @@ +/* Declarations for common convenience functions. + Copyright (C) 2006-2011 Red Hat, Inc. + This file is part of Red Hat elfutils. + + Red Hat elfutils 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; version 2 of the License. + + Red Hat elfutils 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 Red Hat elfutils; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. + + In addition, as a special exception, Red Hat, Inc. gives You the + additional right to link the code of Red Hat elfutils with code licensed + under an Open Source Initiative certified open source license + (http://www.opensource.org/licenses/index.php) and to distribute linked + combinations including the two. Non-GPL Code permitted under this + exception must only link to the code of Red Hat elfutils through those + well defined interfaces identified in the file named EXCEPTION found in + the source code files (the "Approved Interfaces"). The files of Non-GPL + Code may instantiate templates or use macros or inline functions from + the Approved Interfaces without causing the resulting work to be covered + by the GNU General Public License. Only Red Hat, Inc. may make changes + or additions to the list of Approved Interfaces. Red Hat's grant of + this exception is conditioned upon your not adding any new exceptions. + If you wish to add a new Approved Interface or exception, please contact + Red Hat. You must obey the GNU General Public License in all respects + for all of the Red Hat elfutils code and other code used in conjunction + with Red Hat elfutils except the Non-GPL Code covered by this exception. + If you modify this file, you may extend this exception to your version + of the file, but you are not obligated to do so. If you do not wish to + provide this exception without modification, you must delete this + exception statement from your version and license this file solely under + the GPL without exception. + + Red Hat elfutils is an included package of the Open Invention Network. + An included package of the Open Invention Network is a package for which + Open Invention Network licensees cross-license their patents. No patent + license is granted, either expressly or impliedly, by designation as an + included package. Should you wish to participate in the Open Invention + Network licensing program, please visit www.openinventionnetwork.com + <http://www.openinventionnetwork.com>. */ + +#ifndef LIB_SYSTEM_H +#define LIB_SYSTEM_H 1 + +#include <argp.h> +#include <stddef.h> +#include <stdint.h> +#include <endian.h> +#include <byteswap.h> + +#if __BYTE_ORDER == __LITTLE_ENDIAN +# define LE32(n) (n) +# define BE32(n) bswap_32 (n) +#elif __BYTE_ORDER == __BIG_ENDIAN +# define BE32(n) (n) +# define LE32(n) bswap_32 (n) +#else +# error "Unknown byte order" +#endif + +extern void *xmalloc (size_t) __attribute__ ((__malloc__)); +extern void *xcalloc (size_t, size_t) __attribute__ ((__malloc__)); +extern void *xrealloc (void *, size_t) __attribute__ ((__malloc__)); + +extern char *xstrdup (const char *) __attribute__ ((__malloc__)); +extern char *xstrndup (const char *, size_t) __attribute__ ((__malloc__)); + + +extern uint32_t crc32 (uint32_t crc, unsigned char *buf, size_t len); +extern int crc32_file (int fd, uint32_t *resp); + +/* A special gettext function we use if the strings are too short. */ +#define sgettext(Str) \ + ({ const char *__res = strrchr (gettext (Str), '|'); \ + __res ? __res + 1 : Str; }) + +#define gettext_noop(Str) Str + + +#define pwrite_retry(fd, buf, len, off) \ + TEMP_FAILURE_RETRY (pwrite (fd, buf, len, off)) +#define write_retry(fd, buf, n) \ + TEMP_FAILURE_RETRY (write (fd, buf, n)) +#define pread_retry(fd, buf, len, off) \ + TEMP_FAILURE_RETRY (pread (fd, buf, len, off)) + + +/* We need define two variables, argp_program_version_hook and + argp_program_bug_address, in all programs. argp.h declares these + variables as non-const (which is correct in general). But we can + do better, it is not going to change. So we want to move them into + the .rodata section. Define macros to do the trick. */ +#define ARGP_PROGRAM_VERSION_HOOK_DEF \ + void (*const apvh) (FILE *, struct argp_state *) \ + __asm ("argp_program_version_hook") +#define ARGP_PROGRAM_BUG_ADDRESS_DEF \ + const char *const apba__ __asm ("argp_program_bug_address") + + +/* The demangler from libstdc++. */ +extern char *__cxa_demangle (const char *mangled_name, char *output_buffer, + size_t *length, int *status); + + + +/* Color handling. */ + +/* Command line parser. */ +extern const struct argp color_argp; + +/* Coloring mode. */ +enum color_enum + { + color_never = 0, + color_always, + color_auto + } __attribute__ ((packed)); +extern enum color_enum color_mode; + +/* Colors to use for the various components. */ +extern char *color_address; +extern char *color_bytes; +extern char *color_mnemonic; +extern char *color_operand1; +extern char *color_operand2; +extern char *color_operand3; +extern char *color_label; +extern char *color_undef; +extern char *color_undef_tls; +extern char *color_undef_weak; +extern char *color_symbol; +extern char *color_tls; +extern char *color_weak; + +extern const char color_off[]; + +#endif /* system.h */ |