llvm-project/compiler-rt/test/scudo/preinit.cpp

37 lines
698 B
C++

// RUN: %clang_scudo %s -o %t
// RUN: %run %t 2>&1
// Verifies that calling malloc in a preinit_array function succeeds, and that
// the resulting pointer can be freed at program termination.
#include <assert.h>
#include <stdlib.h>
#include <string.h>
static void *global_p = nullptr;
void __init(void) {
global_p = malloc(1);
if (!global_p)
exit(1);
}
void __fini(void) {
if (global_p)
free(global_p);
}
int main(int argc, char **argv)
{
void *p = malloc(1);
assert(p);
free(p);
return 0;
}
__attribute__((section(".preinit_array"), used))
void (*__local_preinit)(void) = __init;
__attribute__((section(".fini_array"), used))
void (*__local_fini)(void) = __fini;