| 1 | // Check that we can patch and un-patch on demand, and that logging gets invoked |
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| 2 | // appropriately. |
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| 3 | // |
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| 4 | |
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| 5 | // RUN: split-file %s %t |
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| 6 | // RUN: %clangxx_xray -g -fPIC -fxray-instrument -fxray-shared -shared -std=c++11 %t/testlib.cpp -o %t/testlib.so |
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| 7 | // RUN: %clangxx_xray -g -fPIC -fxray-instrument -fxray-shared -std=c++11 %t/main.cpp %t/testlib.so -Wl,-rpath,%t -o %t/main.o |
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| 8 | |
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| 9 | // RUN: XRAY_OPTIONS="patch_premain=false" %run %t/main.o 2>&1 | FileCheck %s |
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| 10 | |
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| 11 | // REQUIRES: target={{(aarch64|x86_64)-.*}} |
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| 12 | |
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| 13 | //--- main.cpp |
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| 14 | |
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| 15 | #include "xray/xray_interface.h" |
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| 16 | |
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| 17 | #include <cstdio> |
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| 18 | |
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| 19 | bool called = false; |
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| 20 | |
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| 21 | void test_handler(int32_t fid, XRayEntryType type) { |
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| 22 | printf(format: "called: %d, type=%d\n" , fid, static_cast<int32_t>(type)); |
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| 23 | called = true; |
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| 24 | } |
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| 25 | |
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| 26 | [[clang::xray_always_instrument]] void instrumented_in_executable() { |
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| 27 | printf(format: "instrumented_in_executable called\n" ); |
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| 28 | } |
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| 29 | |
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| 30 | extern void instrumented_in_dso(); |
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| 31 | |
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| 32 | int main() { |
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| 33 | __xray_set_handler(entry: test_handler); |
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| 34 | instrumented_in_executable(); |
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| 35 | // CHECK: instrumented_in_executable called |
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| 36 | instrumented_in_dso(); |
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| 37 | // CHECK: instrumented_in_dso called |
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| 38 | auto status = __xray_patch(); |
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| 39 | printf(format: "patching status: %d\n" , static_cast<int32_t>(status)); |
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| 40 | // CHECK-NEXT: patching status: 1 |
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| 41 | instrumented_in_executable(); |
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| 42 | // CHECK-NEXT: called: {{.*}}, type=0 |
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| 43 | // CHECK-NEXT: instrumented_in_executable called |
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| 44 | // CHECK-NEXT: called: {{.*}}, type=1 |
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| 45 | instrumented_in_dso(); |
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| 46 | // CHECK-NEXT: called: {{.*}}, type=0 |
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| 47 | // CHECK-NEXT: instrumented_in_dso called |
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| 48 | // CHECK-NEXT: called: {{.*}}, type=1 |
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| 49 | status = __xray_unpatch(); |
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| 50 | printf(format: "patching status: %d\n" , static_cast<int32_t>(status)); |
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| 51 | // CHECK-NEXT: patching status: 1 |
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| 52 | instrumented_in_executable(); |
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| 53 | // CHECK-NEXT: instrumented_in_executable called |
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| 54 | instrumented_in_dso(); |
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| 55 | // CHECK-NEXT: instrumented_in_dso called |
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| 56 | status = __xray_patch(); |
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| 57 | printf(format: "patching status: %d\n" , static_cast<int32_t>(status)); |
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| 58 | // CHECK-NEXT: patching status: 1 |
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| 59 | __xray_remove_handler(); |
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| 60 | instrumented_in_executable(); |
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| 61 | // CHECK-NEXT: instrumented_in_executable called |
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| 62 | instrumented_in_dso(); |
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| 63 | // CHECK-NEXT: instrumented_in_dso called |
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| 64 | status = __xray_unpatch(); |
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| 65 | printf(format: "patching status: %d\n" , static_cast<int32_t>(status)); |
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| 66 | // CHECK-NEXT: patching status: 1 |
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| 67 | } |
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| 68 | |
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| 69 | //--- testlib.cpp |
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| 70 | |
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| 71 | #include <cstdio> |
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| 72 | |
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| 73 | [[clang::xray_always_instrument]] void instrumented_in_dso() { |
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| 74 | printf(format: "instrumented_in_dso called\n" ); |
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| 75 | } |
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| 76 | |
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