[llvm] [llvm-readobj][COFF] Improve extended DLL characteristics test (PR #151978)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-binary-utilities

Author: None (kkent030315)

<details>
<summary>Changes</summary>

As mentioned in [this comment](https://github.com/llvm/llvm-project/pull/150967#issuecomment-3135246879) (#<!-- -->150967), this PR removes the need for the input binary by replacing it with a yaml2obj-generated file.

---
Full diff: https://github.com/llvm/llvm-project/pull/151978.diff


3 Files Affected:

- (removed) llvm/test/tools/llvm-readobj/COFF/Inputs/has-exdllcharacteristics.exe () 
- (added) llvm/test/tools/llvm-readobj/COFF/Inputs/has-exdllcharacteristics.yaml (+75) 
- (modified) llvm/test/tools/llvm-readobj/COFF/exdllcharacteristics.test (+2-6) 


``````````diff
diff --git a/llvm/test/tools/llvm-readobj/COFF/Inputs/has-exdllcharacteristics.exe b/llvm/test/tools/llvm-readobj/COFF/Inputs/has-exdllcharacteristics.exe
deleted file mode 100644
index 9c36817b6a474..0000000000000
Binary files a/llvm/test/tools/llvm-readobj/COFF/Inputs/has-exdllcharacteristics.exe and /dev/null differ
diff --git a/llvm/test/tools/llvm-readobj/COFF/Inputs/has-exdllcharacteristics.yaml b/llvm/test/tools/llvm-readobj/COFF/Inputs/has-exdllcharacteristics.yaml
new file mode 100644
index 0000000000000..3ee7fbe657555
--- /dev/null
+++ b/llvm/test/tools/llvm-readobj/COFF/Inputs/has-exdllcharacteristics.yaml
@@ -0,0 +1,75 @@
+--- !COFF
+OptionalHeader:
+  AddressOfEntryPoint: 0
+  ImageBase: 0x180000000
+  SectionAlignment: 4096
+  FileAlignment: 512
+  MajorOperatingSystemVersion: 6
+  MinorOperatingSystemVersion: 0
+  MajorImageVersion: 0
+  MinorImageVersion: 0
+  MajorSubsystemVersion: 6
+  MinorSubsystemVersion: 0
+  Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI
+  DLLCharacteristics: [ IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA, IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE, IMAGE_DLL_CHARACTERISTICS_NX_COMPAT, IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE ]
+  SizeOfStackReserve: 1048576
+  SizeOfStackCommit: 4096
+  SizeOfHeapReserve: 1048576
+  SizeOfHeapCommit: 4096
+  ExportTable:
+    RelativeVirtualAddress: 0
+    Size:            0
+  ImportTable:
+    RelativeVirtualAddress: 0
+    Size:            0
+  ResourceTable:
+    RelativeVirtualAddress: 0
+    Size:            0
+  ExceptionTable:
+    RelativeVirtualAddress: 0
+    Size:            0
+  CertificateTable:
+    RelativeVirtualAddress: 0
+    Size:            0
+  BaseRelocationTable:
+    RelativeVirtualAddress: 0
+    Size:            0
+  Debug:
+    RelativeVirtualAddress: 8192
+    Size:            56
+  Architecture:
+    RelativeVirtualAddress: 0
+    Size:            0
+  GlobalPtr:
+    RelativeVirtualAddress: 0
+    Size:            0
+  TlsTable:
+    RelativeVirtualAddress: 0
+    Size:            0
+  LoadConfigTable:
+    RelativeVirtualAddress: 0
+    Size:            0
+  BoundImport:
+    RelativeVirtualAddress: 0
+    Size:            0
+  IAT:
+    RelativeVirtualAddress: 0
+    Size:            0
+  DelayImportDescriptor:
+    RelativeVirtualAddress: 0
+    Size:            0
+  ClrRuntimeHeader:
+    RelativeVirtualAddress: 0
+    Size:            0
+header:
+  Machine:         IMAGE_FILE_MACHINE_AMD64
+  Characteristics: [ IMAGE_FILE_EXECUTABLE_IMAGE, IMAGE_FILE_DLL, IMAGE_FILE_LARGE_ADDRESS_AWARE ]
+sections:
+  - Name:            .rdata
+    Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
+    VirtualAddress:  8192
+    VirtualSize:     180
+    SectionData:     0000000091BE906800000000020000005500000058200000580400000000000091BE9068000000001400000004000000B0200000B0040000180000000380038000000000000000005020000008000000101000000300000052534453867E6BCADB53244591DEC582FAB540DB10000000433A5C55736572735C73756E675C446F63756D656E74735C636F64655C636574657865635C7836345C52656C656173655C636574657865632E706462000000008F000000
+    SizeOfRawData:   512
+symbols:         []
+...
diff --git a/llvm/test/tools/llvm-readobj/COFF/exdllcharacteristics.test b/llvm/test/tools/llvm-readobj/COFF/exdllcharacteristics.test
index ef35aea50171a..13bd6159bfd88 100644
--- a/llvm/test/tools/llvm-readobj/COFF/exdllcharacteristics.test
+++ b/llvm/test/tools/llvm-readobj/COFF/exdllcharacteristics.test
@@ -1,9 +1,5 @@
-# To regenerate has-exdllcharacteristics.exe
-# $ echo int main() { return 0; } > has-exdllcharacteristics.c
-# To make minimum possible stub file (to decrease the binary size)
-# $ echo -n '4D5A00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' | xxd -r -p > stub
-# $ cl has-exdllcharacteristics.c /link /entry:main /STUB:stub /NOCOFFGRPINFO /EMITTOOLVERSIONINFO:NO /EMITPOGOPHASEINFO /NOVCFEATURE /MANIFEST:NO /cetcompat /cetcompatstrict /cetdynamicapisinproc /cetipvalidationrelaxed /hotpatchcompatible /functionpadmin:6
-RUN: llvm-readobj --coff-debug-directory %p/Inputs/has-exdllcharacteristics.exe | FileCheck %s
+RUN: yaml2obj %p/Inputs/has-exdllcharacteristics.yaml > %t.obj
+RUN: llvm-readobj --coff-debug-directory %t.obj | FileCheck %s
 
 CHECK:  DebugEntry {
 CHECK:    Characteristics: 0x0

``````````

</details>


https://github.com/llvm/llvm-project/pull/151978