[ELF] Improve orphan placement tests

Merge orphan-align.test (which introduced `shouldSkip`) into orphan.s.

Author: MaskRay

lld/test/ELF/linkerscript/orphan-align.s

@@ -1,36 +1,94 @@
 # REQUIRES: x86
-# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
-# RUN: echo "SECTIONS {       \
-# RUN:  .text : { *(.text) }  \
-# RUN:  .rw1 : { *(.rw1) }    \
-# RUN:  .rw2 : { *(.rw2) }    \
-# RUN:  .rw3 : { *(.rw3) }    \
-# RUN: }" > %t.script
-# RUN: ld.lld -o %t1 --script %t.script %t
-# RUN: llvm-objdump --section-headers %t1 | FileCheck %s
+# RUN: rm -rf %t && split-file %s %t && cd %t
+# RUN: llvm-mc -filetype=obj -triple=x86_64 a.s -o a.o
 
 ## .jcr is a relro section and should be placed before other RW sections.
 ## .bss is SHT_NOBITS section and should be last RW section, so some space
 ## in ELF file could be saved.
-# CHECK:       0               00000000 0000000000000000
-# CHECK-NEXT:  1 .text         00000000 0000000000000000 TEXT
-# CHECK-NEXT:  2 .jcr          00000008 0000000000000000 DATA
-# CHECK-NEXT:  3 .rw1          00000008 0000000000000008 DATA
-# CHECK-NEXT:  4 .rw2          00000008 0000000000000010 DATA
-# CHECK-NEXT:  5 .rw3          00000008 0000000000000018 DATA
-# CHECK-NEXT:  6 .bss          00000008 0000000000000020 BSS
+# RUN: ld.lld a.o -T text-rw.lds -o text-rw
+# RUN: llvm-readelf -S text-rw | FileCheck %s --check-prefix=TEXT-RW
+# TEXT-RW:      .interp   PROGBITS 00000000000002{{..}} 0
+# TEXT-RW-NEXT: .note.my  NOTE     00000000000002{{..}} 0
+# TEXT-RW-NEXT: .text     PROGBITS 00000000000002{{..}} 0
+# TEXT-RW-NEXT: .mytext   PROGBITS 00000000000002{{..}} 0
+# TEXT-RW-NEXT: .jcr      PROGBITS 00000000000002{{..}} 0
+# TEXT-RW-NEXT: .rw1      PROGBITS 0000000000001{{...}} 0
+# TEXT-RW-NEXT: .rw2      PROGBITS 0000000000001{{...}} 0
+# TEXT-RW-NEXT: .rw3      PROGBITS 0000000000001{{...}} 0
+# TEXT-RW-NEXT: .bss      NOBITS   0000000000001{{...}} 0
 
-.section .rw1, "aw"
- .quad 0
+# RUN: ld.lld a.o -T only-text.lds -o only-text
+# RUN: llvm-readelf -S only-text | FileCheck %s --check-prefix=ONLY-TEXT
+# ONLY-TEXT:      .interp   PROGBITS 00000000000002{{..}} 0
+# ONLY-TEXT-NEXT: .note.my  NOTE     00000000000002{{..}} 0
+# ONLY-TEXT-NEXT: .text     PROGBITS 00000000000002{{..}} 0
+# ONLY-TEXT-NEXT: .mytext   PROGBITS 00000000000002{{..}} 0
+# ONLY-TEXT-NEXT: .jcr      PROGBITS 00000000000002{{..}} 0
+# ONLY-TEXT-NEXT: .rw1      PROGBITS 00000000000002{{..}} 0
+# ONLY-TEXT-NEXT: .rw2      PROGBITS 00000000000002{{..}} 0
+# ONLY-TEXT-NEXT: .rw3      PROGBITS 00000000000002{{..}} 0
+# ONLY-TEXT-NEXT: .bss      NOBITS   00000000000002{{..}} 0
 
-.section .rw2, "aw"
- .quad 0
+# RUN: ld.lld a.o -T text-align.lds -o text-align
+# RUN: llvm-readelf -S text-align | FileCheck %s --check-prefix=TEXT-ALIGN
+# TEXT-ALIGN:      .interp   PROGBITS 00000000000002{{..}} 0
+# TEXT-ALIGN-NEXT: .note.my  NOTE     00000000000002{{..}} 0
+# TEXT-ALIGN-NEXT: .text     PROGBITS 00000000000002{{..}} 0
+# TEXT-ALIGN-NEXT: .mytext   PROGBITS 0000000000001000     0
+# TEXT-ALIGN-NEXT: .jcr      PROGBITS 0000000000001{{...}} 0
+# TEXT-ALIGN-NEXT: .rw1      PROGBITS 0000000000001{{...}} 0
+# TEXT-ALIGN-NEXT: .rw2      PROGBITS 0000000000001{{...}} 0
+# TEXT-ALIGN-NEXT: .rw3      PROGBITS 0000000000001{{...}} 0
+# TEXT-ALIGN-NEXT: .bss      NOBITS   0000000000001{{...}} 0
 
-.section .rw3, "aw"
- .quad 0
+# RUN: ld.lld a.o -T only-rw.lds -o only-rw
+# RUN: llvm-readelf -S only-rw | FileCheck %s --check-prefix=ONLY-RW
+# ONLY-RW:         .interp   PROGBITS 00000000000002{{..}} 0
+# ONLY-RW-NEXT:    .note.my  NOTE     00000000000002{{..}} 0
+# ONLY-RW-NEXT:    .text     PROGBITS 00000000000002{{..}} 0
+# ONLY-RW-NEXT:    .mytext   PROGBITS 00000000000002{{..}} 0
+# ONLY-RW-NEXT:    .jcr      PROGBITS 00000000000002{{..}} 0
+# ONLY-RW-NEXT:    .rw1      PROGBITS 00000000000002{{..}} 0
+# ONLY-RW-NEXT:    .rw2      PROGBITS 0000000000001{{...}} 0
+# ONLY-RW-NEXT:    .rw3      PROGBITS 0000000000001{{...}} 0
+# ONLY-RW-NEXT:    .bss      NOBITS   0000000000001{{...}} 0
 
-.section .jcr, "aw"
- .quad 0
+#--- a.s
+.section .rw1, "aw"; .byte 0
+.section .rw2, "aw"; .byte 0
+.section .rw3, "aw"; .byte 0
+.section .jcr, "aw"; .byte 0
+.section .bss, "aw",@nobits; .byte 0
+.section .note.my, "a", @note; .byte 0
+.section .interp, "a", @progbits; .byte 0
+.text; nop
+.section .mytext,"ax"; nop
 
-.section .bss, "aw",@nobits
- .quad 0
+#--- text-rw.lds
+SECTIONS {
+  . = SIZEOF_HEADERS;
+  .text : { *(.text) }
+  . = ALIGN(CONSTANT(MAXPAGESIZE));
+  .rw1 : { *(.rw1) }
+  .rw2 : { *(.rw2) }
+}
+
+#--- only-text.lds
+SECTIONS {
+  . = SIZEOF_HEADERS;
+  .text : { *(.text) }
+}
+
+#--- text-align.lds
+SECTIONS {
+  . = SIZEOF_HEADERS;
+  .text : { *(.text) }
+  . = ALIGN(CONSTANT(MAXPAGESIZE));
+}
+
+#--- only-rw.lds
+SECTIONS {
+  . = SIZEOF_HEADERS;
+  .rw1 : { *(.rw1) }
+  . = ALIGN(CONSTANT(MAXPAGESIZE));
+}