1b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 2b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov/* Test simple use of the disable/enable macros. */ 3b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 4b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include <stdlib.h> 5b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include <stdio.h> 6b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 7b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov#include "../include/valgrind.h" 8b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 9b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanovchar* block = NULL; 10b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 11b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov__attribute__((noinline)) void usechar ( char c ) 12b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov{ 13b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov // Spook gcc into believing mysterious bad things are 14b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov // happening behind its back, and that 'c' is definitely 15b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov // used in some (unknown) way. 16b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov __asm__ __volatile__("" : : "r"(c) : "memory","cc"); 17b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov} 18b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 19b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov__attribute__((noinline)) void err ( void ) 20b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov{ 21b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov usechar( block[5] ); 22b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov} 23b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 24b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanovint main ( void ) 25b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov{ 26b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov block = malloc(10); 27b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov free(block); 28b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 29b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov fprintf(stderr, "\n--------- SIMPLE TEST ---------\n\n"); 30b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov fprintf(stderr, "\n--------- enabled (expect 1) ---------\n\n"); 31b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 32b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov err(); 33b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 34b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov fprintf(stderr, "\n--------- disabled (expect 0) ---------\n\n"); 35b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VALGRIND_DISABLE_ERROR_REPORTING; 36b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 37b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov err(); 38b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 39b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov fprintf(stderr, "\n--------- re-enabled (expect 1) ---------\n\n"); 40b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VALGRIND_ENABLE_ERROR_REPORTING; 41b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 42b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov err(); 43b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 44b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 45b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 46b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov fprintf(stderr, "\n--------- MULTI-LEVEL TEST (expect 2) ---------\n\n"); 47b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 48b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov // 4 times 49b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VALGRIND_DISABLE_ERROR_REPORTING; 50b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VALGRIND_DISABLE_ERROR_REPORTING; 51b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VALGRIND_DISABLE_ERROR_REPORTING; 52b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VALGRIND_DISABLE_ERROR_REPORTING; // lev = 4 53b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 54b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov // now gradually undo them until an error appears 55b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov err(); // hidden 56b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 57b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VALGRIND_ENABLE_ERROR_REPORTING; // lev = 3 58b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov err(); // hidden 59b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 60b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VALGRIND_ENABLE_ERROR_REPORTING; // lev = 2 61b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov err(); // hidden 62b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 63b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VALGRIND_ENABLE_ERROR_REPORTING; // lev = 1 64b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov err(); // hidden 65b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 66b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VALGRIND_ENABLE_ERROR_REPORTING; // lev = 0 67b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov err(); // visible 68b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 69b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov VALGRIND_ENABLE_ERROR_REPORTING; // lev = 0 (won't go down further) 70b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov err(); // visible 71b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 72b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov fprintf(stderr, "\n--------- MULTI-LEVEL TEST end ---------\n\n"); 73b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov 74b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov return 0; 75b32f58018498ea2225959b0ba11c18f0c433deefEvgeniy Stepanov} 76