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master
memcheck/tests/partial_load.c
44 строки
986 B
Mark Wielaard
memcheck: Allow unaligned loads of words on ppc64[le].
21 дек 2018, 00:46
21 дек 2018, 00:46
5ecdecd
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#include <stdio.h> #include <stdlib.h> #include <assert.h> int main ( void ) { long w; int i; char* p; assert(sizeof(long) == sizeof(void*)); #if defined(__powerpc64__) fprintf (stderr, "powerpc64\n"); /* Used to select correct .exp file. */ #endif /* partial load, which --partial-loads-ok=yes should suppress */ p = calloc( sizeof(long)-1, 1 ); assert(p); w = *(long*)p; free(p); /* partial but misaligned, ppc64[le] ok, but otherwise cannot be suppressed */ p = calloc( sizeof(long), 1 ); assert(p); p++; w += *(long*)p; p--; free(p); /* partial but not word sized, cannot be suppressed */ p = calloc( sizeof(short)-1, 1 ); assert(p); w += (long)( *(short*)p ); free(p); /* aligned, word sized, but completely invalid - cannot be suppressed */ p = calloc( sizeof(long), 1 ); assert(p); free(p); w += *(long*)p; /* dump result in a way gcc can't understand */ for (i = 0; i < 64; i++) w <<= 1; return (int)w; }