[llvm] [llvm-readobj][COFF] Implement --coff-pseudoreloc in llvm-readobj to dump runtime pseudo-relocation records (PR #151816)

[Martin Storsjö via llvm-commits]

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@@ -0,0 +1,97 @@
+RUN: llvm-readobj --coff-pseudoreloc %p/Inputs/pseudoreloc.exe | FileCheck %s
+RUN: llvm-readobj --coff-pseudoreloc %p/Inputs/nop.exe.coff-x86-64 | FileCheck %s --check-prefix=NOSYM
+RUN: llvm-readobj --coff-pseudoreloc %p/Inputs/trivial.obj.coff-i386 | FileCheck %s --check-prefix=NORELOC
+
+CHECK:      Format: COFF-i386
+CHECK-NEXT: Arch: i386
+CHECK-NEXT: AddressSize: 32bit
+CHECK-NEXT: PseudoReloc [
+CHECK-NEXT:  Entry {
+CHECK-NEXT:   Symbol: 0x{{[0-9A-Z]+}}
+CHECK-NEXT:   SymbolName: sym1
+CHECK-NEXT:   Target: 0x{{[0-9A-Z]+}}
+CHECK-NEXT:   BitWidth: {{[0-9]+}}
+CHECK-NEXT:  }
+CHECK-NEXT:  Entry {
+CHECK-NEXT:   Symbol: 0x{{[0-9A-Z]+}}
+CHECK-NEXT:   SymbolName: sym2
+CHECK-NEXT:   Target: 0x{{[0-9A-Z]+}}
+CHECK-NEXT:   BitWidth: {{[0-9]+}}
+CHECK-NEXT:  }
+CHECK-NEXT:  Entry {
+CHECK-NEXT:   Symbol: 0x{{[0-9A-Z]+}}
+CHECK-NEXT:   SymbolName: sym1
+CHECK-NEXT:   Target: 0x{{[0-9A-Z]+}}
+CHECK-NEXT:   BitWidth: {{[0-9]+}}
+CHECK-NEXT:  }
+CHECK-NEXT: ]
+
+NOSYM-NOT: PseudoReloc
----------------
mstorsjo wrote:

Instead of needing to repeat the `-NOT` condition before/after the positive check that we do look for, `FileCheck` also has got an option `--implicit-check-not` which you can consider using.

https://github.com/llvm/llvm-project/pull/151816