[ELF][test] Clean up PT_OPENBSD tests

lld/test/ELF/openbsd-phdr.s

@@ -0,0 +1,40 @@
+# REQUIRES: x86
+# RUN: rm -rf %t && split-file %s %t && cd %t
+# RUN: llvm-mc -filetype=obj -triple=x86_64 randomdata.s -o randomdata.o
+# RUN: ld.lld randomdata.o -o randomdata
+# RUN: llvm-readelf -S -l randomdata | FileCheck %s --check-prefix=RANDOMDATA
+
+# RUN: llvm-mc -filetype=obj -triple=x86_64 /dev/null -o wxneeded.o
+# RUN: ld.lld -z wxneeded wxneeded.o -o wxneeded
+# RUN: llvm-readelf -l wxneeded | FileCheck %s --check-prefix=WXNEEDED
+
+# RUN: ld.lld -T lds randomdata.o -o out
+# RUN: llvm-readelf -S -l out | FileCheck %s --check-prefixes=RANDOMDATA,CHECK
+
+# RANDOMDATA: Name                Type     Address            Off             Size   ES Flg Lk Inf Al
+# RANDOMDATA: .openbsd.randomdata PROGBITS [[ADDR:[0-9a-f]+]] [[O:[0-9a-f]+]] 000008 00   A  0   0  1
+
+# WXNEEDED:   Type              Offset   VirtAddr           PhysAddr           FileSiz  MemSiz   Flg Align
+# WXNEEDED:   OPENBSD_WXNEEDED  0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 E   0
+
+# RANDOMDATA: Type              Offset   VirtAddr           PhysAddr           FileSiz  MemSiz   Flg Align
+# RANDOMDATA: OPENBSD_RANDOMIZE 0x[[O]]  0x[[ADDR]]         0x[[ADDR]]         0x000008 0x000008 R   0x1
+# CHECK-NEXT: OPENBSD_BOOTDATA  0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 R   0
+# CHECK-NEXT: OPENBSD_WXNEEDED  0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 R   0
+
+#--- randomdata.s
+.section .openbsd.randomdata, "a"
+.quad 0
+
+#--- lds
+PHDRS {
+  text PT_LOAD FILEHDR PHDRS;
+  rand PT_OPENBSD_RANDOMIZE;
+  boot PT_OPENBSD_BOOTDATA;
+  wxneeded PT_OPENBSD_WXNEEDED;
+}
+SECTIONS {
+  . = SIZEOF_HEADERS;
+  .text : { *(.text) }
+  .openbsd.randomdata : { *(.openbsd.randomdata) } : rand
+}