utils/porting.h

   1 /* Misc system-specific crap */
   2
   3 #ifndef _PORTING_H_
   4 #define _PORTING_H_
   5
   6 #ifdef HAVE_CONFIG_H
   7 #include <config.h>
   8 #endif
   9
  10 #include <ctype.h>
  11 #include <dirent.h>
  12 #include <errno.h>
  13 #include <fcntl.h>
  14 #include <limits.h>
  15 #include <stdarg.h>
  16 #include <stdint.h>
  17 #include <stdio.h>
  18 #include <string.h>
  19 #include <strings.h>
  20 #include <stdlib.h>
  21 #include <unistd.h>
  22 #include <sys/param.h>
  23 #include <sys/stat.h>
  24 #include <sys/types.h>
  25
  26 #ifdef __LDSO_LDD_SUPPORT__
  27 # include <sys/wait.h>
  28 #endif
  29
  30 #if defined(_WIN32) || defined(_WINNT)
  31 # include "mmap-windows.c"
  32 #else
  33 # include <sys/mman.h>
  34 #endif
  35
  36 #ifdef BUILDING_LINKAGE
  37 #include <link.h>
  38 /* makefile will include elf.h for us */
  39
  40 #include "bswap.h"
  41 #include "dl-defs.h"
  42 #endif
  43
  44 /* __WORDSIZE ist used for __ELF_NATIVE_CLASS, which is used for ElfW().
  45   We want to provide the wordsize of the target, not of the host, when
  46    compiling readelf.host
  47  */
  48 #include <link.h>
  49 #ifdef ARCH_NATIVE_BIT
  50 #undef __WORDSIZE
  51 #define __WORDSIZE ARCH_NATIVE_BIT
  52 #endif
  53
  54 #ifdef DMALLOC
  55 #include <dmalloc.h>
  56 #endif
  57
  58 #ifndef ARRAY_SIZE
  59 # define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
  60 #endif
  61
  62 /* For SunOS */
  63 #ifndef PATH_MAX
  64 #define PATH_MAX _POSIX_PATH_MAX
  65 #endif
  66
  67 #ifndef UCLIBC_RUNTIME_PREFIX
  68 # define UCLIBC_RUNTIME_PREFIX "/"
  69 #endif
  70
  71 #undef UCLIBC_ENDIAN_HOST
  72 #define UCLIBC_ENDIAN_LITTLE 1234
  73 #define UCLIBC_ENDIAN_BIG    4321
  74 #if defined(BYTE_ORDER)
  75 # if BYTE_ORDER == LITTLE_ENDIAN
  76 #  define UCLIBC_ENDIAN_HOST UCLIBC_ENDIAN_LITTLE
  77 # elif BYTE_ORDER == BIG_ENDIAN
  78 #  define UCLIBC_ENDIAN_HOST UCLIBC_ENDIAN_BIG
  79 # endif
  80 #elif defined(__BYTE_ORDER)
  81 # if __BYTE_ORDER == __LITTLE_ENDIAN
  82 #  define UCLIBC_ENDIAN_HOST UCLIBC_ENDIAN_LITTLE
  83 # elif __BYTE_ORDER == __BIG_ENDIAN
  84 #  define UCLIBC_ENDIAN_HOST UCLIBC_ENDIAN_BIG
  85 # endif
  86 #endif
  87 #if !defined(UCLIBC_ENDIAN_HOST)
  88 # error "Unknown host byte order!"
  89 #endif
  90
  91 #if defined __GNUC__ || defined __ICC
  92 # define attribute_noreturn __attribute__ ((__noreturn__))
  93 #else
  94 # define attribute_noreturn
  95 #endif
  96
  97 #endif