Add tests for llvm-readobj and llvm-objcopy

Author: Il-Capitano

llvm/test/tools/llvm-objcopy/ELF/rename-section-flag-osproc-mask.test

@@ -121,3 +121,28 @@ Sections:
 # ARM-NEXT:     SHF_ARM_PURECODE (0x20000000)
 # ARM-NEXT:     SHF_WRITE (0x1)
 # ARM-NEXT:   ]
+
+# ===== aarch64 =====
+
+# RUN: yaml2obj --docnum=5 %s -o %t-aarch64.o
+# RUN: llvm-objcopy --rename-section=.foo=.bar,alloc %t-aarch64.o
+# RUN: llvm-readobj --sections %t-aarch64.o | FileCheck %s --check-prefix=AARCH64
+
+--- !ELF
+FileHeader:
+  Class:           ELFCLASS64
+  Data:            ELFDATA2LSB
+  Type:            ET_REL
+  Machine:         EM_AARCH64
+Sections:
+  - Name:          .foo
+    Type:          SHT_PROGBITS
+    Flags:         [ SHF_AARCH64_PURECODE ]
+
+# AARCH64:        Name: .bar
+# AARCH64-NEXT:   Type: SHT_PROGBITS
+# AARCH64-NEXT:   Flags [
+# AARCH64-NEXT:     SHF_AARCH64_PURECODE (0x20000000)
+# AARCH64-NEXT:     SHF_ALLOC (0x2)
+# AARCH64-NEXT:     SHF_WRITE (0x1)
+# AARCH64-NEXT:   ]

llvm/test/tools/llvm-readobj/ELF/gnu-sections.test

@@ -110,3 +110,15 @@ Symbols:
 # ARM-NEXT:  L (link order), O (extra OS processing required), G (group), T (TLS),
 # ARM-NEXT:  C (compressed), x (unknown), o (OS specific), E (exclude),
 # ARM-NEXT:  R (retain), y (purecode), p (processor specific)
+
+## For an EM_AARCH64 target we print "y" for the SHF_AARCH64_PURECODE section flag.
+## Check we mention it in the flag key.
+
+# RUN: yaml2obj -DMACHINE=EM_AARCH64 %s -o %t-aarch64.o
+# RUN: llvm-readelf -S %t-arm.o | FileCheck %s --check-prefix=AARCH64 --strict-whitespace --match-full-lines
+
+#      AARCH64:Key to Flags:
+# AARCH64-NEXT:  W (write), A (alloc), X (execute), M (merge), S (strings), I (info),
+# AARCH64-NEXT:  L (link order), O (extra OS processing required), G (group), T (TLS),
+# AARCH64-NEXT:  C (compressed), x (unknown), o (OS specific), E (exclude),
+# AARCH64-NEXT:  R (retain), y (purecode), p (processor specific)

llvm/test/tools/llvm-readobj/ELF/section-arch-flags.test

@@ -138,3 +138,25 @@ Sections:
   - Name:  foo
     Type:  SHT_PROGBITS
     Flags: [ SHF_ARM_PURECODE ]
+
+# RUN: yaml2obj --docnum 6 %s -o %t-aarch64.o
+# RUN: llvm-readobj -S %t-aarch64.o | FileCheck --check-prefix=AARCH64-LLVM %s
+# RUN: llvm-readelf -S %t-aarch64.o | FileCheck --check-prefix=AARCH64-GNU %s
+
+# AARCH64-LLVM:      Flags [ (0x20000000)
+# AARCH64-LLVM-NEXT:   SHF_AARCH64_PURECODE (0x20000000)
+# AARCH64-LLVM-NEXT: ]
+
+# AARCH64-GNU: [Nr] Name Type     Address          Off    Size   ES Flg Lk Inf Al
+# AARCH64-GNU: [ 1] foo  PROGBITS 0000000000000000 000040 000000 00   y 0   0  0
+
+--- !ELF
+FileHeader:
+  Class:   ELFCLASS64
+  Data:    ELFDATA2LSB
+  Type:    ET_REL
+  Machine: EM_AARCH64
+Sections:
+  - Name:  foo
+    Type:  SHT_PROGBITS
+    Flags: [ SHF_AARCH64_PURECODE ]