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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    "arm",
     31    "s390x",
     32    NULL
     33 };
     34 
     35 static Bool go(char* arch)
     36 {
     37 #if defined(VGP_x86_linux) || defined(VGP_x86_darwin)
     38    if ( 0 == strcmp( arch, "x86"   ) ) return True;
     39 
     40 #elif defined(VGP_amd64_linux) || defined(VGP_amd64_darwin)
     41    if ( 0 == strcmp( arch, "x86"   ) ) return True;
     42    if ( 0 == strcmp( arch, "amd64" ) ) return True;
     43 
     44 #elif defined(VGP_ppc32_linux)
     45    if ( 0 == strcmp( arch, "ppc32" ) ) return True;
     46 
     47 #elif defined(VGP_ppc64_linux)
     48    if ( 0 == strcmp( arch, "ppc64" ) ) return True;
     49    if ( 0 == strcmp( arch, "ppc32" ) ) return True;
     50 
     51 #elif defined(VGP_s390x_linux)
     52    if ( 0 == strcmp( arch, "s390x" ) ) return True;
     53 
     54 #elif defined(VGP_arm_linux)
     55    if ( 0 == strcmp( arch, "arm" ) ) return True;
     56 
     57 #else
     58 #  error Unknown platform
     59 #endif   // VGP_*
     60 
     61    return False;
     62 }
     63 
     64 //---------------------------------------------------------------------------
     65 // main
     66 //---------------------------------------------------------------------------
     67 int main(int argc, char **argv)
     68 {
     69    int i;
     70    if ( argc != 2 ) {
     71       fprintf( stderr, "usage: arch_test <arch-type>\n" );
     72       exit(3);             // Usage error.
     73    }
     74    if (go( argv[1] )) {
     75       return 0;            // Matched.
     76    }
     77    for (i = 0; NULL != all_archs[i]; i++) {
     78       if ( 0 == strcmp( argv[1], all_archs[i] ) )
     79          return 1;         // Didn't match, but named another arch.
     80    }
     81    return 2;               // Didn't match any archs.
     82 }
     83