config/parse-types.sh

   1 #!/bin/sh
   2
   3 ASM_TYPES=/usr/include/asm/types.h
   4
   5 if test ! -f $ASM_TYPES
   6 then
   7     echo "" > asm_types.h
   8     echo "No asm_types file found"
   9     exit 1
  10 fi
  11
  12 cat > /tmp/sed.script << "EOF"
  13 /^#/d
  14 /^$/d
  15 s/__extension__ //
  16 s/typedef \(.*\) __u\([1-9]*\);/#define __U\2_TYPEDEF \1/
  17 s/typedef \(.*\) __s\([1-9]*\);/#define __S\2_TYPEDEF \1/
  18 EOF
  19
  20 gcc -E $ASM_TYPES | sed -f /tmp/sed.script | grep ^# > asm_types.h
  21
  22 cp asm_types.h asm_types.c
  23
  24 cat >> asm_types.c <<EOF
  25 main(int argc, char **argv)
  26 {
  27 #ifdef __U8_TYPEDEF
  28         if (sizeof(__U8_TYPEDEF) != 1) {
  29                 printf("Sizeof(__U8__TYPEDEF) is %d should be 1\n",
  30                        sizeof(__U8_TYPEDEF));
  31                 exit(1);
  32         }
  33 #else
  34 #warning __U8_TYPEDEF not defined
  35 #endif
  36 #ifdef __S8_TYPEDEF
  37         if (sizeof(__S8_TYPEDEF) != 1) {
  38                 printf("Sizeof(_S8__TYPEDEF) is %d should be 1\n",
  39                        sizeof(__S8_TYPEDEF));
  40                 exit(1);
  41         }
  42 #else
  43 #warning __S8_TYPEDEF not defined
  44 #endif
  45 #ifdef __U16_TYPEDEF
  46         if (sizeof(__U16_TYPEDEF) != 2) {
  47                 printf("Sizeof(__U16__TYPEDEF) is %d should be 2\n",
  48                        sizeof(__U16_TYPEDEF));
  49                 exit(1);
  50         }
  51 #else
  52 #warning __U16_TYPEDEF not defined
  53 #endif
  54 #ifdef __S16_TYPEDEF
  55         if (sizeof(__S16_TYPEDEF) != 2) {
  56                 printf("Sizeof(__S16__TYPEDEF) is %d should be 2\n",
  57                        sizeof(__S16_TYPEDEF));
  58                 exit(1);
  59         }
  60 #else
  61 #warning __S16_TYPEDEF not defined
  62 #endif
  63
  64 #ifdef __U32_TYPEDEF
  65         if (sizeof(__U32_TYPEDEF) != 4) {
  66                 printf("Sizeof(__U32__TYPEDEF) is %d should be 4\n",
  67                        sizeof(__U32_TYPEDEF));
  68                 exit(1);
  69         }
  70 #else
  71 #warning __U32_TYPEDEF not defined
  72 #endif
  73 #ifdef __S32_TYPEDEF
  74         if (sizeof(__S32_TYPEDEF) != 4) {
  75                 printf("Sizeof(__S32__TYPEDEF) is %d should be 4\n",
  76                        sizeof(__S32_TYPEDEF));
  77                 exit(1);
  78         }
  79 #else
  80 #warning __S32_TYPEDEF not defined
  81 #endif
  82
  83 #ifdef __U64_TYPEDEF
  84         if (sizeof(__U64_TYPEDEF) != 8) {
  85                 printf("Sizeof(__U64__TYPEDEF) is %d should be 8\n",
  86                        sizeof(__U64_TYPEDEF));
  87                 exit(1);
  88         }
  89 #else
  90 #warning __U64_TYPEDEF not defined
  91 #endif
  92 #ifdef __S64_TYPEDEF
  93         if (sizeof(__S64_TYPEDEF) != 8) {
  94                 printf("Sizeof(__S64__TYPEDEF) is %d should be 8\n",
  95                        sizeof(__S64_TYPEDEF));
  96                 exit(1);
  97         }
  98 #else
  99 #warning __S64_TYPEDEF not defined
 100 #endif
 101         exit(0);
 102 }
 103 EOF
 104
 105 cc -o asm_types asm_types.c
 106 if ! ./asm_types
 107 then
 108     echo "Problem detected with asm_types.h"
 109     echo "" > asm_types.h
 110 fi
 111 rm asm_types.c asm_types
 112