[XRay][tools] Add option to llvm-xray extract to symbolize functions

Summary:
This allows us to, if the symbol names are available in the binary, be
able to provide the function name in the YAML output.

Reviewers: dblaikie, pelikan

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D32153

llvm-svn: 300624

1 files changed, 10 insertions, 0 deletions

diff --git a/llvm/test/tools/llvm-xray/X86/extract-instrmap-symbolize.ll b/llvm/test/tools/llvm-xray/X86/extract-instrmap-symbolize.ll
new file mode 100644
index 00000000000..86358ca5c13
--- /dev/null
+++ b/llvm/test/tools/llvm-xray/X86/extract-instrmap-symbolize.ll
@@ -0,0 +1,10 @@
+; This tests that we can extract the instrumentation map and symbolize the
+; function addresses.
+; RUN: llvm-xray extract %S/Inputs/elf64-example.bin -s | FileCheck %s
+
+; CHECK:      ---
+; CHECK-NEXT: - { id: 1, address: 0x000000000041C900, function: 0x000000000041C900, kind: function-enter, always-instrument: true, function-name: {{.*foo.*}} }
+; CHECK-NEXT: - { id: 1, address: 0x000000000041C912, function: 0x000000000041C900, kind: function-exit, always-instrument: true, function-name: {{.*foo.*}}  }
+; CHECK-NEXT: - { id: 2, address: 0x000000000041C930, function: 0x000000000041C930, kind: function-enter, always-instrument: true, function-name: {{.*bar.*}}  }
+; CHECK-NEXT: - { id: 2, address: 0x000000000041C946, function: 0x000000000041C930, kind: function-exit, always-instrument: true, function-name: {{.*bar.*}}  }
+; CHECK-NEXT: ...