From d21e0a7ba74da20bb06b7ad3366d9299bb33feed Mon Sep 17 00:00:00 2001 From: Dean Michael Berris Date: Wed, 26 Oct 2016 01:42:59 +0000 Subject: [XRay] Implement `llvm-xray extract`, start of the llvm-xray tool Usage: llvm-xray extract [-o ] The tool gets the XRay instrumentation map from an object file and turns it into YAML. We first support ELF64 sleds on x86_64 binaries, with provision for supporting other supported platforms and formats later. This is the first of a many-part change to fully implement the `llvm-xray` tool. We also define a subcommand registration and dispatch mechanism to be used by other further subcommand implementations for llvm-xray. llvm-svn: 285155 --- llvm/test/tools/llvm-xray/X86/Inputs/elf32-noxray.bin | Bin 0 -> 7294 bytes .../tools/llvm-xray/X86/Inputs/elf64-badentrysizes.bin | Bin 0 -> 469664 bytes llvm/test/tools/llvm-xray/X86/Inputs/elf64-example.bin | Bin 0 -> 469664 bytes .../tools/llvm-xray/X86/Inputs/elf64-noinstr-map.bin | Bin 0 -> 8479 bytes llvm/test/tools/llvm-xray/X86/Inputs/empty-file.bin | 0 llvm/test/tools/llvm-xray/X86/bad-instrmap-sizes.bin | 3 +++ llvm/test/tools/llvm-xray/X86/empty.txt | 4 ++++ llvm/test/tools/llvm-xray/X86/extract-instrmap.ll | 15 +++++++++++++++ llvm/test/tools/llvm-xray/X86/lit.local.cfg | 1 + llvm/test/tools/llvm-xray/X86/no-instr-map.txt | 4 ++++ llvm/test/tools/llvm-xray/X86/no-such-file.txt | 4 ++++ llvm/test/tools/llvm-xray/X86/unsupported-elf32.txt | 3 +++ 12 files changed, 34 insertions(+) create mode 100755 llvm/test/tools/llvm-xray/X86/Inputs/elf32-noxray.bin create mode 100755 llvm/test/tools/llvm-xray/X86/Inputs/elf64-badentrysizes.bin create mode 100755 llvm/test/tools/llvm-xray/X86/Inputs/elf64-example.bin create mode 100755 llvm/test/tools/llvm-xray/X86/Inputs/elf64-noinstr-map.bin create mode 100644 llvm/test/tools/llvm-xray/X86/Inputs/empty-file.bin create mode 100644 llvm/test/tools/llvm-xray/X86/bad-instrmap-sizes.bin create mode 100644 llvm/test/tools/llvm-xray/X86/empty.txt create mode 100644 llvm/test/tools/llvm-xray/X86/extract-instrmap.ll create mode 100644 llvm/test/tools/llvm-xray/X86/lit.local.cfg create mode 100644 llvm/test/tools/llvm-xray/X86/no-instr-map.txt create mode 100644 llvm/test/tools/llvm-xray/X86/no-such-file.txt create mode 100644 llvm/test/tools/llvm-xray/X86/unsupported-elf32.txt (limited to 'llvm/test') diff --git a/llvm/test/tools/llvm-xray/X86/Inputs/elf32-noxray.bin b/llvm/test/tools/llvm-xray/X86/Inputs/elf32-noxray.bin new file mode 100755 index 00000000000..06446e71a87 Binary files /dev/null and b/llvm/test/tools/llvm-xray/X86/Inputs/elf32-noxray.bin differ diff --git a/llvm/test/tools/llvm-xray/X86/Inputs/elf64-badentrysizes.bin b/llvm/test/tools/llvm-xray/X86/Inputs/elf64-badentrysizes.bin new file mode 100755 index 00000000000..702ea1484df Binary files /dev/null and b/llvm/test/tools/llvm-xray/X86/Inputs/elf64-badentrysizes.bin differ diff --git a/llvm/test/tools/llvm-xray/X86/Inputs/elf64-example.bin b/llvm/test/tools/llvm-xray/X86/Inputs/elf64-example.bin new file mode 100755 index 00000000000..a6e6d3d6468 Binary files /dev/null and b/llvm/test/tools/llvm-xray/X86/Inputs/elf64-example.bin differ diff --git a/llvm/test/tools/llvm-xray/X86/Inputs/elf64-noinstr-map.bin b/llvm/test/tools/llvm-xray/X86/Inputs/elf64-noinstr-map.bin new file mode 100755 index 00000000000..6f2d9d21f2e Binary files /dev/null and b/llvm/test/tools/llvm-xray/X86/Inputs/elf64-noinstr-map.bin differ diff --git a/llvm/test/tools/llvm-xray/X86/Inputs/empty-file.bin b/llvm/test/tools/llvm-xray/X86/Inputs/empty-file.bin new file mode 100644 index 00000000000..e69de29bb2d diff --git a/llvm/test/tools/llvm-xray/X86/bad-instrmap-sizes.bin b/llvm/test/tools/llvm-xray/X86/bad-instrmap-sizes.bin new file mode 100644 index 00000000000..4ea33510e5d --- /dev/null +++ b/llvm/test/tools/llvm-xray/X86/bad-instrmap-sizes.bin @@ -0,0 +1,3 @@ +; RUN: not llvm-xray extract %S/Inputs/elf64-badentrysizes.bin 2>&1 | FileCheck %s +; CHECK: llvm-xray: Cannot extract instrumentation map from '{{.*}}elf64-badentrysizes.bin'. +; CHECK-NEXT: Instrumentation map entries not evenly divisible by size of an XRay sled entry in ELF64. diff --git a/llvm/test/tools/llvm-xray/X86/empty.txt b/llvm/test/tools/llvm-xray/X86/empty.txt new file mode 100644 index 00000000000..65dd2b747dd --- /dev/null +++ b/llvm/test/tools/llvm-xray/X86/empty.txt @@ -0,0 +1,4 @@ +; RUN: not llvm-xray extract %S/Inputs/empty-file.bin 2>&1 | FileCheck %s + +; CHECK: llvm-xray: Cannot extract instrumentation map from '{{.*}}empty-file.bin'. +; CHECK-NEXT: The file was not recognized as a valid object file diff --git a/llvm/test/tools/llvm-xray/X86/extract-instrmap.ll b/llvm/test/tools/llvm-xray/X86/extract-instrmap.ll new file mode 100644 index 00000000000..8155d57f814 --- /dev/null +++ b/llvm/test/tools/llvm-xray/X86/extract-instrmap.ll @@ -0,0 +1,15 @@ +; This test makes sure we can extract the instrumentation map from an +; XRay-instrumented object file. +; +; RUN: llvm-xray extract %S/Inputs/elf64-example.bin | FileCheck %s + +; CHECK: --- +; CHECK-NEXT: - { id: 1, address: 0x000000000041C900, function: 0x000000000041C900, kind: function-enter, +; CHECK-NEXT: always-instrument: true } +; CHECK-NEXT: - { id: 1, address: 0x000000000041C912, function: 0x000000000041C900, kind: function-exit, +; CHECK-NEXT: always-instrument: true } +; CHECK-NEXT: - { id: 2, address: 0x000000000041C930, function: 0x000000000041C930, kind: function-enter, +; CHECK-NEXT: always-instrument: true } +; CHECK-NEXT: - { id: 2, address: 0x000000000041C946, function: 0x000000000041C930, kind: function-exit, +; CHECK-NEXT: always-instrument: true } +; CHECK-NEXT: ... diff --git a/llvm/test/tools/llvm-xray/X86/lit.local.cfg b/llvm/test/tools/llvm-xray/X86/lit.local.cfg new file mode 100644 index 00000000000..4f00369e13d --- /dev/null +++ b/llvm/test/tools/llvm-xray/X86/lit.local.cfg @@ -0,0 +1 @@ +config.suffixes = ['.yaml', '.ll', '.txt'] diff --git a/llvm/test/tools/llvm-xray/X86/no-instr-map.txt b/llvm/test/tools/llvm-xray/X86/no-instr-map.txt new file mode 100644 index 00000000000..c256c071376 --- /dev/null +++ b/llvm/test/tools/llvm-xray/X86/no-instr-map.txt @@ -0,0 +1,4 @@ +; RUN: not llvm-xray extract %S/Inputs/elf64-noinstr-map.bin 2>&1 | FileCheck %s + +; CHECK: llvm-xray: Cannot extract instrumentation map from '{{.*}}elf64-noinstr-map.bin'. +; CHECK-NEXT: Failed to find XRay instrumentation map. diff --git a/llvm/test/tools/llvm-xray/X86/no-such-file.txt b/llvm/test/tools/llvm-xray/X86/no-such-file.txt new file mode 100644 index 00000000000..0bc0b5b946a --- /dev/null +++ b/llvm/test/tools/llvm-xray/X86/no-such-file.txt @@ -0,0 +1,4 @@ +; RUN: not llvm-xray extract no-such-file 2>&1 | FileCheck %s + +; CHECK: llvm-xray: Cannot extract instrumentation map from 'no-such-file'. +; CHECK-NEXT: No such file or directory diff --git a/llvm/test/tools/llvm-xray/X86/unsupported-elf32.txt b/llvm/test/tools/llvm-xray/X86/unsupported-elf32.txt new file mode 100644 index 00000000000..1dde47327dc --- /dev/null +++ b/llvm/test/tools/llvm-xray/X86/unsupported-elf32.txt @@ -0,0 +1,3 @@ +; RUN: not llvm-xray extract %S/Inputs/elf32-noxray.bin 2>&1 | FileCheck %s +; CHECK: llvm-xray: Cannot extract instrumentation map from '{{.*}}elf32-noxray.bin'. +; CHECK-NEXT: File format not supported (only does ELF little endian 64-bit). -- cgit v1.2.3