1 // These counters are used to get a delta between leak counts at startup 2 // (eg. due to libc) and later on. Necessary to get reliable leak tests 3 // across different platforms. 4 #define DECLARE_LEAK_COUNTERS \ 5 long L0_bytes = 0, L_bytes = 0, L0_blocks = 0, L_blocks = 0; \ 6 long D0_bytes = 0, D_bytes = 0, D0_blocks = 0, D_blocks = 0; \ 7 long R0_bytes = 0, R_bytes = 0, R0_blocks = 0, R_blocks = 0; \ 8 long S0_bytes = 0, S_bytes = 0, S0_blocks = 0, S_blocks = 0 9 10 // Set a baseline, in case allocations have already happened. 11 #define GET_INITIAL_LEAK_COUNTS \ 12 do { \ 13 VALGRIND_DO_QUICK_LEAK_CHECK; \ 14 VALGRIND_COUNT_LEAKS( L0_bytes, D0_bytes, R0_bytes, S0_bytes );\ 15 VALGRIND_COUNT_LEAK_BLOCKS(L0_blocks, D0_blocks, R0_blocks, S0_blocks); \ 16 } while (0) 17 18 // Set a baseline, in case allocations have already happened. 19 #define GET_FINAL_LEAK_COUNTS \ 20 do { \ 21 VALGRIND_DO_QUICK_LEAK_CHECK; \ 22 VALGRIND_COUNT_LEAKS( L_bytes, D_bytes, R_bytes, S_bytes ); \ 23 VALGRIND_COUNT_LEAK_BLOCKS(L_blocks, D_blocks, R_blocks, S_blocks); \ 24 L_bytes -= L0_bytes; L_blocks -= L0_blocks; \ 25 D_bytes -= D0_bytes; D_blocks -= D0_blocks; \ 26 R_bytes -= R0_bytes; R_blocks -= R0_blocks; \ 27 S_bytes -= S0_bytes; S_blocks -= S0_blocks; \ 28 } while (0) 29 30 // Print leak counts. When used in conjunction with -q the normal counts 31 // aren't shown, which is what we want. 32 #define PRINT_LEAK_COUNTS(where) \ 33 do { \ 34 fprintf(where,"leaked: %3ld bytes in %2ld blocks\n", \ 35 L_bytes,L_blocks); \ 36 fprintf(where,"dubious: %3ld bytes in %2ld blocks\n", \ 37 D_bytes,D_blocks); \ 38 fprintf(where,"reachable: %3ld bytes in %2ld blocks\n", \ 39 R_bytes,R_blocks); \ 40 fprintf(where,"suppressed: %3ld bytes in %2ld blocks\n", \ 41 S_bytes,S_blocks); \ 42 } while (0) 43 44 /* Upon a call to a function, some architectures store pointers into 45 * into registers. Valgrind may consider these registers when determining 46 * whether an address is reachable, so we need to zero-out these registers 47 * as needed. 48 */ 49 #if defined __powerpc__ 50 #define CLEAR_CALLER_SAVED_REGS \ 51 do { \ 52 __asm__ __volatile__( "li 3, 0" : : :/*trash*/"r3" ); \ 53 __asm__ __volatile__( "li 4, 0" : : :/*trash*/"r4" ); \ 54 __asm__ __volatile__( "li 5, 0" : : :/*trash*/"r5" ); \ 55 __asm__ __volatile__( "li 6, 0" : : :/*trash*/"r6" ); \ 56 __asm__ __volatile__( "li 7, 0" : : :/*trash*/"r7" ); \ 57 __asm__ __volatile__( "li 8, 0" : : :/*trash*/"r8" ); \ 58 __asm__ __volatile__( "li 9, 0" : : :/*trash*/"r9" ); \ 59 __asm__ __volatile__( "li 10, 0" : : :/*trash*/"r10" ); \ 60 __asm__ __volatile__( "li 11, 0" : : :/*trash*/"r11" ); \ 61 __asm__ __volatile__( "li 12, 0" : : :/*trash*/"r12" ); \ 62 } while (0) 63 #else 64 #define CLEAR_CALLER_SAVED_REGS /*nothing*/ 65 #endif 66 67 68
