5f5a0bb087
LLD supports -Ttext but with the option there is still a PT_LOAD at address zero and thus the Linux kernel will map it to a different address and the test will fail. Use --image-base instead.
31 lines
1.0 KiB
C++
31 lines
1.0 KiB
C++
// Test if asan works with prelink.
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// It does not actually use prelink, but relies on GNU ld's -Ttext-segment,
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// LLD's --image-base, or gold's -Ttext (we try the first flag first, if that fails we
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// try the second flag).
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//
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// RUN: %clangxx_asan -c %s -o %t.o
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// RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t.so -Wl,-Ttext-segment=0x3600000000 ||\
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// RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t.so -Wl,--image-base=0x3600000000 ||\
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// RUN: %clangxx_asan -DBUILD_SO=1 -fPIC -shared %s -o %t.so -Wl,-Ttext=0x3600000000
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// RUN: %clangxx_asan %t.o %t.so -Wl,-R. -o %t
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// RUN: %env_asan_opts=verbosity=1 %run %t 2>&1 | FileCheck %s
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// GNU driver doesn't handle .so files properly.
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// REQUIRES: x86_64-target-arch, shadow-scale-3, Clang
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#if BUILD_SO
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int G;
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int *getG() {
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return &G;
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}
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#else
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#include <stdio.h>
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extern int *getG();
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int main(int argc, char **argv) {
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long p = (long)getG();
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printf("SO mapped at %lx\n", p & ~0xffffffffUL);
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*getG() = 0;
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}
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#endif
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// CHECK: 0x003000000000, 0x004fffffffff{{.*}} MidMem
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// CHECK: SO mapped at 3600000000
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