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 NULL 32 }; 33 34 static Bool go(char* arch) 35 { 36 #if defined(VGP_x86_linux) || defined(VGP_x86_darwin) 37 if ( 0 == strcmp( arch, "x86" ) ) return True; 38 39 #elif defined(VGP_amd64_linux) || defined(VGP_amd64_darwin) 40 if ( 0 == strcmp( arch, "x86" ) ) return True; 41 if ( 0 == strcmp( arch, "amd64" ) ) return True; 42 43 #elif defined(VGP_ppc32_linux) 44 if ( 0 == strcmp( arch, "ppc32" ) ) return True; 45 46 #elif defined(VGP_ppc64_linux) 47 if ( 0 == strcmp( arch, "ppc64" ) ) return True; 48 if ( 0 == strcmp( arch, "ppc32" ) ) return True; 49 50 #elif defined(VGP_ppc32_aix5) || defined(VGP_ppc64_aix5) 51 if (sizeof(void*) == 8) { 52 /* CPU is in 64-bit mode */ 53 if ( 0 == strcmp( arch, "ppc64" ) ) return True; 54 if ( 0 == strcmp( arch, "ppc32" ) ) return True; 55 } else { 56 if ( 0 == strcmp( arch, "ppc32" ) ) return True; 57 } 58 59 #elif defined(VGP_arm_linux) 60 if ( 0 == strcmp( arch, "arm" ) ) return True; 61 62 #else 63 # error Unknown platform 64 #endif // VGP_* 65 66 return False; 67 } 68 69 //--------------------------------------------------------------------------- 70 // main 71 //--------------------------------------------------------------------------- 72 int main(int argc, char **argv) 73 { 74 int i; 75 if ( argc != 2 ) { 76 fprintf( stderr, "usage: arch_test <arch-type>\n" ); 77 exit(3); // Usage error. 78 } 79 if (go( argv[1] )) { 80 return 0; // Matched. 81 } 82 for (i = 0; NULL != all_archs[i]; i++) { 83 if ( 0 == strcmp( argv[1], all_archs[i] ) ) 84 return 1; // Didn't match, but named another arch. 85 } 86 return 2; // Didn't match any archs. 87 } 88
