[llvm] enable file-headers option of llvm-objdump for XCOFF object files (PR #96104)

[James Henderson via llvm-commits]

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@@ -0,0 +1,21 @@
+# Test the `--file-headers` option of llvm-objdump for XCOFF object files.  
+# RUN: yaml2obj %s -o %t1
+# RUN: llvm-objdump --file-headers %t1 | FileCheck %s --check-prefix=CHECK32
+# RUN: yaml2obj %s -DMAGIC=0x1F7 -DFLAG64=0x2 -o %t2
+# RUN: llvm-objdump --file-headers  %t2 | FileCheck %s --check-prefix=CHECK64
+
+# CHECK32:      {{.*}}file format aixcoff-rs6000 
+# CHECK32-NEXT: architecture: powerpc
+# CHECK32-NEXT: start address: 0x00001111
+
+# CHECK64:      {{.*}}file format aix5coff64-rs6000
+# CHECK64-NEXT: architecture: powerpc64
+# CHECK64-NEXT: start address: 0x0000000000001111
+
+--- !XCOFF
+FileHeader:
+  MagicNumber: [[MAGIC=0x1DF]]
+AuxiliaryHeader:
+  EntryPointAddr:        0x1111
+  FlagAndTDataAlignment: 0x1
+  Flag:                  [[FLAG64=<none>]]
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jh7370 wrote:

What impact do these actually have on the output?

https://github.com/llvm/llvm-project/pull/96104