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27 lines
665 B
C++
27 lines
665 B
C++
// Check that ASan dumps the CPU registers on a SIGSEGV.
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// RUN: %clangxx_asan %s -o %t
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// RUN: not %run %t 2>&1 | FileCheck %s
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#include <assert.h>
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#include <stdio.h>
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#include <sys/mman.h>
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int main() {
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fprintf(stderr, "Hello\n");
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char *ptr;
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ptr = (char *)mmap(NULL, 0x10000, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);
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assert(ptr && "failed to mmap");
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fprintf(stderr, sizeof(uintptr_t) == 8 ? "p = 0x%016lx\n" : "p = 0x%08lx\n", (uintptr_t)ptr);
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// CHECK: p = [[ADDR:0x[0-9]+]]
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char c = *ptr; // BOOM
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// CHECK: ERROR: AddressSanitizer: {{SEGV|BUS}}
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// CHECK: Register values:
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// CHECK: [[ADDR]]
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fprintf(stderr, "World\n");
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return c;
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}
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