[llvm] [z/OS] Add z/OS archive reading support (PR #187110)

[Uyiosa Iyekekpolor via llvm-commits]

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@@ -0,0 +1,47 @@
+## Test reading a valid z/OS archive.
+# RUN: %python %p/Inputs/generate_zos_archive.py --output %t.valid.a \
+# RUN:   --symtab "foo.txt:0" --member foo.txt:abcd
+# RUN: llvm-ar t %t.valid.a | FileCheck %s --check-prefix=LIST
+# RUN: llvm-nm --print-armap %t.valid.a | FileCheck %s --check-prefix=SYMS
+# RUN: llvm-ar p %t.valid.a foo.txt | FileCheck %s --check-prefix=CONTENT
+
+# LIST: foo.txt
+# SYMS: Archive map
+# SYMS-NEXT: foo.txt in foo.txt
+# CONTENT: abcd
+
+## Test malformed terminator on member header
+# RUN: %python %p/Inputs/generate_zos_archive.py --output %t.bad_term.a \
+# RUN:   --member foo.txt --bad-terminator
+# RUN: not llvm-ar t %t.bad_term.a 2>&1 | FileCheck %s --check-prefix=ERR-TERM
+# ERR-TERM: terminator characters in archive member
+
+## Test empty UID field on member header
+# RUN: %python %p/Inputs/generate_zos_archive.py --output %t.empty_uid.a \
+# RUN:   --member foo.txt --empty-uid
+# RUN: not llvm-ar t %t.empty_uid.a 2>&1 | FileCheck %s --check-prefix=ERR-UID
+# ERR-UID: UID field is empty or contains only spaces
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uyoyo0 wrote:

Done, thanks

https://github.com/llvm/llvm-project/pull/187110