config/parse-types.sh

   1 #!/bin/sh
   2
   3 cat > sed.script << "EOF"
   4 /^#/d
   5 /^$/d
   6 s/__extension__ //
   7 s/typedef \(.*\) __u\([1-9]*\);/#define __U\2_TYPEDEF \1/
   8 s/typedef \(.*\) __s\([1-9]*\);/#define __S\2_TYPEDEF \1/
   9 EOF
  10
  11 if test -z "$CC"; then
  12     CC=gcc
  13 fi
  14
  15 if test -z "$CPP"; then
  16     CPP="$CC -E"
  17 fi
  18
  19 echo '#include <asm/types.h>' | $CPP - | \
  20     sed -f sed.script | grep '^#' > asm_types.h
  21
  22 rm sed.script
  23
  24 cp asm_types.h asm_types.c
  25
  26 cat >> asm_types.c <<EOF
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 main(int argc, char **argv)
  30 {
  31 #ifdef __U8_TYPEDEF
  32         if (sizeof(__U8_TYPEDEF) != 1) {
  33                 printf("Sizeof(__U8__TYPEDEF) is %d should be 1\n",
  34                        sizeof(__U8_TYPEDEF));
  35                 exit(1);
  36         }
  37 #else
  38 #warning __U8_TYPEDEF not defined
  39 #endif
  40 #ifdef __S8_TYPEDEF
  41         if (sizeof(__S8_TYPEDEF) != 1) {
  42                 printf("Sizeof(_S8__TYPEDEF) is %d should be 1\n",
  43                        sizeof(__S8_TYPEDEF));
  44                 exit(1);
  45         }
  46 #else
  47 #warning __S8_TYPEDEF not defined
  48 #endif
  49 #ifdef __U16_TYPEDEF
  50         if (sizeof(__U16_TYPEDEF) != 2) {
  51                 printf("Sizeof(__U16__TYPEDEF) is %d should be 2\n",
  52                        sizeof(__U16_TYPEDEF));
  53                 exit(1);
  54         }
  55 #else
  56 #warning __U16_TYPEDEF not defined
  57 #endif
  58 #ifdef __S16_TYPEDEF
  59         if (sizeof(__S16_TYPEDEF) != 2) {
  60                 printf("Sizeof(__S16__TYPEDEF) is %d should be 2\n",
  61                        sizeof(__S16_TYPEDEF));
  62                 exit(1);
  63         }
  64 #else
  65 #warning __S16_TYPEDEF not defined
  66 #endif
  67
  68 #ifdef __U32_TYPEDEF
  69         if (sizeof(__U32_TYPEDEF) != 4) {
  70                 printf("Sizeof(__U32__TYPEDEF) is %d should be 4\n",
  71                        sizeof(__U32_TYPEDEF));
  72                 exit(1);
  73         }
  74 #else
  75 #warning __U32_TYPEDEF not defined
  76 #endif
  77 #ifdef __S32_TYPEDEF
  78         if (sizeof(__S32_TYPEDEF) != 4) {
  79                 printf("Sizeof(__S32__TYPEDEF) is %d should be 4\n",
  80                        sizeof(__S32_TYPEDEF));
  81                 exit(1);
  82         }
  83 #else
  84 #warning __S32_TYPEDEF not defined
  85 #endif
  86
  87 #ifdef __U64_TYPEDEF
  88         if (sizeof(__U64_TYPEDEF) != 8) {
  89                 printf("Sizeof(__U64__TYPEDEF) is %d should be 8\n",
  90                        sizeof(__U64_TYPEDEF));
  91                 exit(1);
  92         }
  93 #else
  94 #warning __U64_TYPEDEF not defined
  95 #endif
  96 #ifdef __S64_TYPEDEF
  97         if (sizeof(__S64_TYPEDEF) != 8) {
  98                 printf("Sizeof(__S64__TYPEDEF) is %d should be 8\n",
  99                        sizeof(__S64_TYPEDEF));
 100                 exit(1);
 101         }
 102 #else
 103 #warning __S64_TYPEDEF not defined
 104 #endif
 105         exit(0);
 106 }
 107 EOF
 108
 109 ${BUILD_CC-${CC-gcc}} -o asm_types asm_types.c
 110 if ./asm_types
 111 then
 112     /bin/true
 113 else
 114     echo "Problem detected with asm_types.h"
 115     echo "" > asm_types.h
 116 fi
 117 rm asm_types.c asm_types
 118