6118d07b00
Summary: [asan-assembly-instrumentation] Added end-to-end test for proper stack unwind for functions with inline assembly. Reviewers: eugenis Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D5260 llvm-svn: 217487
30 lines
982 B
C++
30 lines
982 B
C++
// Check that a stack unwinding algorithm works corretly even with the assembly
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// instrumentation.
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// REQUIRES: x86_64-supported-target,i386-supported-target
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// RUN: %clangxx_asan -g -O1 %s -fno-inline-functions -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -mllvm -asan-instrument-assembly -o %t && not %run %t 2>&1 | FileCheck %s
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// RUN: %clangxx_asan -g -O1 %s -fno-inline-functions -fomit-frame-pointer -momit-leaf-frame-pointer -mllvm -asan-instrument-assembly -o %t && not %run %t 2>&1 | FileCheck %s
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#include <cstddef>
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// CHECK: READ of size 4
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// CHECK: {{#0 0x[0-9a-fA-F]+ in foo}}
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// CHECK: {{#1 0x[0-9a-fA-F]+ in main}}
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__attribute__((noinline)) int foo(size_t n, int *buffer) {
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int r;
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__asm__("movl (%[buffer], %[n], 4), %[r] \n\t"
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: [r] "=r"(r)
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: [buffer] "r"(buffer), [n] "r"(n)
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: "memory");
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return r;
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}
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int main() {
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const size_t n = 16;
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int *buffer = new int[n];
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foo(n, buffer);
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delete[] buffer;
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return 0;
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}
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