[sanitizer_common tests] Add tests for sanitizer symbolzier markup.

[avillega]

This is part of a stack of PRs to add support for symbolizer
markup in linux.

Add __sanitizer_print_stack_trace test for sanitizer symbolizer markup.

[llvmbot]

@llvm/pr-subscribers-compiler-rt-sanitizer

Author: Andres Villegas (avillega)

Changes

This is part of a stack of PRs to add support for symbolizer
markup in linux.

Add __sanitizer_print_stack_trace test for sanitizer symbolizer markup.

---

Full diff: https://github.com/llvm/llvm-project/pull/73195.diff

1 Files Affected:

• (added) compiler-rt/test/sanitizer_common/TestCases/print-stack-trace-markup.cpp (+38)

diff --git a/compiler-rt/test/sanitizer_common/TestCases/print-stack-trace-markup.cpp b/compiler-rt/test/sanitizer_common/TestCases/print-stack-trace-markup.cpp
new file mode 100644
index 000000000000000..15d89d091a99e33
--- /dev/null
+++ b/compiler-rt/test/sanitizer_common/TestCases/print-stack-trace-markup.cpp
@@ -0,0 +1,38 @@
+// RUN: %clangxx %s -o %t
+// RUN: %env_tool_opts=enable_symbolizer_markup=1 %run %t 2>&1 | FileCheck %s
+
+// REQUIRES: linux
+#include <sanitizer/common_interface_defs.h>
+
+void Bar() { __sanitizer_print_stack_trace(); }
+
+void Foo() {
+  Bar();
+  return;
+}
+
+void Baz() { __sanitizer_print_stack_trace(); }
+
+int main() {
+  Foo();
+  Baz();
+  return 0;
+}
+
+// COM: For element syntax see: https://llvm.org/docs/SymbolizerMarkupFormat.html
+// COM: OPEN is {{{ and CLOSE is }}}
+
+// CHECK: [[OPEN:{{{]]reset[[CLOSE:}}}]]
+// CHECK: [[OPEN]]module:[[MOD_ID:[0-9]+]]:{{.+}}:elf:{{[0-9a-fA-F]+}}[[CLOSE]]
+// CHECK: [[OPEN]]mmap:{{0x[0-9a-fA-F]+:0x[0-9a-fA-F]+}}:load:[[MOD_ID]]:{{r[wx]{0,2}:0x[0-9a-fA-F]+}}[[CLOSE]]
+// CHECK: [[OPEN]]bt:0:0x{{[0-9a-fA-F]+}}[[CLOSE]]
+// CHECK-NEXT: [[OPEN]]bt:1:0x{{[0-9a-fA-F]+}}[[CLOSE]]
+// CHECK-NEXT: [[OPEN]]bt:2:0x{{[0-9a-fA-F]+}}[[CLOSE]]
+
+// COM: Emitting a second backtrace should not emit contextual elements in this case.
+// CHECK-NOT: [[OPEN:{{{]]reset[[CLOSE:}}}]]
+// CHECK-NOT: [[OPEN]]module:[[MOD_ID:[0-9]+]]:{{.+}}:elf:{{[0-9a-fA-F]+}}[[CLOSE]]
+// CHECK-NOT: [[OPEN]]mmap:{{0x[0-9a-fA-F]+:0x[0-9a-fA-F]+}}:load:[[MOD_ID]]:{{r[wx]{0,2}:0x[0-9a-fA-F]+}}[[CLOSE]]
+
+// CHECK: [[OPEN]]bt:0:0x{{[0-9a-fA-F]+}}[[CLOSE]]
+// CHECK-NEXT: [[OPEN]]bt:1:0x{{[0-9a-fA-F]+}}[[CLOSE]]

[avillega]

I've squashed this test into the change that introduces the Rendering of Contextual elements #73194