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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    "tilegx",
     37    NULL
     38 };
     39 
     40 static Bool go(char* arch)
     41 {
     42 #if defined(VGP_x86_linux) || defined(VGP_x86_darwin) \
     43    || defined(VGP_x86_solaris)
     44    if ( 0 == strcmp( arch, "x86"   ) ) return True;
     45 
     46 #elif defined(VGP_amd64_linux) || defined(VGP_amd64_darwin) \
     47    || defined(VGP_amd64_solaris)
     48 #if defined(VGA_SEC_x86)
     49    if ( 0 == strcmp( arch, "x86"   ) ) return True;
     50 #endif
     51    if ( 0 == strcmp( arch, "amd64" ) ) return True;
     52 
     53 #elif defined(VGP_ppc32_linux)
     54    if ( 0 == strcmp( arch, "ppc32" ) ) return True;
     55 
     56 #elif defined(VGP_ppc64be_linux)
     57    if ( 0 == strcmp( arch, "ppc64" ) ) return True;
     58 #if defined(VGA_SEC_ppc32)
     59    if ( 0 == strcmp( arch, "ppc32" ) ) return True;
     60 #endif
     61 
     62 #elif defined(VGP_ppc64le_linux)
     63    if ( 0 == strcmp( arch, "ppc64" ) ) return True;
     64 
     65 #elif defined(VGP_s390x_linux)
     66    if ( 0 == strcmp( arch, "s390x" ) ) return True;
     67 
     68 #elif defined(VGP_arm_linux)
     69    if ( 0 == strcmp( arch, "arm" ) ) return True;
     70 
     71 #elif defined(VGP_arm64_linux)
     72    if ( 0 == strcmp( arch, "arm64" ) ) return True;
     73 
     74 #elif defined(VGP_mips32_linux)
     75    if ( 0 == strcmp( arch, "mips32" ) ) return True;
     76 
     77 #elif defined(VGP_mips64_linux)
     78    if ( 0 == strcmp( arch, "mips64" ) ) return True;
     79 
     80 #elif defined(VGP_tilegx_linux)
     81    if ( 0 == strcmp( arch, "tilegx" ) ) return True;
     82 
     83 #else
     84 #  error Unknown platform
     85 #endif   // VGP_*
     86 
     87    return False;
     88 }
     89 
     90 //---------------------------------------------------------------------------
     91 // main
     92 //---------------------------------------------------------------------------
     93 int main(int argc, char **argv)
     94 {
     95    int i;
     96    if ( argc != 2 ) {
     97       fprintf( stderr, "usage: arch_test <arch-type>\n" );
     98       exit(3);             // Usage error.
     99    }
    100    if (go( argv[1] )) {
    101       return 0;            // Matched.
    102    }
    103    for (i = 0; NULL != all_archs[i]; i++) {
    104       if ( 0 == strcmp( argv[1], all_archs[i] ) )
    105          return 1;         // Didn't match, but named another arch.
    106    }
    107    return 2;               // Didn't match any archs.
    108 }
    109