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      1 
      2 #include <stdio.h>
      3 #include <stdlib.h>
      4 #include <string.h>
      5 
      6 // This program determines which architectures that this Valgrind installation
      7 // supports, which depends on the what was chosen at configure-time.  For
      8 // example, if Valgrind is installed on an AMD64 machine but has been
      9 // configured with --enable-only32bit then this program will match "x86" but
     10 // not "amd64".
     11 //
     12 // We return:
     13 // - 0 if the machine matches the asked-for arch
     14 // - 1 if it doesn't match but does match the name of another arch
     15 // - 2 if it doesn't match the name of any arch
     16 // - 3 if there was a usage error (it also prints an error message)
     17 
     18 // Nb: When updating this file for a new architecture, add the name to
     19 // 'all_archs' as well as adding go().
     20 
     21 #define False  0
     22 #define True   1
     23 typedef int    Bool;
     24 
     25 char* all_archs[] = {
     26    "x86",
     27    "amd64",
     28    "ppc32",
     29    "ppc64",
     30    "ppc64le",
     31    "arm",
     32    "arm64",
     33    "s390x",
     34    "mips32",
     35    "mips64",
     36    NULL
     37 };
     38 
     39 static Bool go(char* arch)
     40 {
     41 #if defined(VGP_x86_linux) || defined(VGP_x86_darwin) \
     42    || defined(VGP_x86_solaris)
     43    if ( 0 == strcmp( arch, "x86"   ) ) return True;
     44 
     45 #elif defined(VGP_amd64_linux) || defined(VGP_amd64_darwin) \
     46    || defined(VGP_amd64_solaris)
     47 #if defined(VGA_SEC_x86)
     48    if ( 0 == strcmp( arch, "x86"   ) ) return True;
     49 #endif
     50    if ( 0 == strcmp( arch, "amd64" ) ) return True;
     51 
     52 #elif defined(VGP_ppc32_linux)
     53    if ( 0 == strcmp( arch, "ppc32" ) ) return True;
     54 
     55 #elif defined(VGP_ppc64be_linux)
     56    if ( 0 == strcmp( arch, "ppc64" ) ) return True;
     57 #if defined(VGA_SEC_ppc32)
     58    if ( 0 == strcmp( arch, "ppc32" ) ) return True;
     59 #endif
     60 
     61 #elif defined(VGP_ppc64le_linux)
     62    if ( 0 == strcmp( arch, "ppc64" ) ) return True;
     63 
     64 #elif defined(VGP_s390x_linux)
     65    if ( 0 == strcmp( arch, "s390x" ) ) return True;
     66 
     67 #elif defined(VGP_arm_linux)
     68    if ( 0 == strcmp( arch, "arm" ) ) return True;
     69 
     70 #elif defined(VGP_arm64_linux)
     71    if ( 0 == strcmp( arch, "arm64" ) ) return True;
     72 
     73 #elif defined(VGP_mips32_linux)
     74    if ( 0 == strcmp( arch, "mips32" ) ) return True;
     75 
     76 #elif defined(VGP_mips64_linux)
     77    if ( 0 == strcmp( arch, "mips64" ) ) return True;
     78 
     79 #else
     80 #  error Unknown platform
     81 #endif   // VGP_*
     82 
     83    return False;
     84 }
     85 
     86 //---------------------------------------------------------------------------
     87 // main
     88 //---------------------------------------------------------------------------
     89 int main(int argc, char **argv)
     90 {
     91    int i;
     92    if ( argc != 2 ) {
     93       fprintf( stderr, "usage: arch_test <arch-type>\n" );
     94       exit(3);             // Usage error.
     95    }
     96    if (go( argv[1] )) {
     97       return 0;            // Matched.
     98    }
     99    for (i = 0; NULL != all_archs[i]; i++) {
    100       if ( 0 == strcmp( argv[1], all_archs[i] ) )
    101          return 1;         // Didn't match, but named another arch.
    102    }
    103    return 2;               // Didn't match any archs.
    104 }
    105