# REQUIRES: x86 # 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. # 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 # 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 # 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 # 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 # RUN: ld.lld a.o -T rw-text.lds -o rw-text # RUN: llvm-readelf -S rw-text | FileCheck %s --check-prefix=RW-TEXT # RW-TEXT: .jcr PROGBITS 00000000000002{{..}} 0 # RW-TEXT-NEXT: .rw1 PROGBITS 00000000000002{{..}} 0 # RW-TEXT-NEXT: .rw2 PROGBITS 00000000000002{{..}} 0 # RW-TEXT-NEXT: .rw3 PROGBITS 00000000000002{{..}} 0 # RW-TEXT-NEXT: .bss NOBITS 00000000000002{{..}} 0 # RW-TEXT-NEXT: .interp PROGBITS 00000000000002{{..}} 0 # RW-TEXT-NEXT: .note.my NOTE 00000000000002{{..}} 0 # RW-TEXT-NEXT: .text PROGBITS 0000000000001{{...}} 0 # RW-TEXT-NEXT: .mytext PROGBITS 0000000000001{{...}} 0 # RUN: ld.lld a.o -T rw-text-rw.lds -o rw-text-rw # RUN: llvm-readelf -S rw-text-rw | FileCheck %s --check-prefix=RW-TEXT-RW # RW-TEXT-RW: .jcr PROGBITS 00000000000002{{..}} 0 # RW-TEXT-RW-NEXT: .rw1 PROGBITS 00000000000002{{..}} 0 # RW-TEXT-RW-NEXT: .interp PROGBITS 00000000000002{{..}} 0 # RW-TEXT-RW-NEXT: .note.my NOTE 00000000000002{{..}} 0 # RW-TEXT-RW-NEXT: .text PROGBITS 0000000000001{{...}} 0 # RW-TEXT-RW-NEXT: .mytext PROGBITS 0000000000001{{...}} 0 # RW-TEXT-RW-NEXT: .rw2 PROGBITS 0000000000002{{...}} 0 # RW-TEXT-RW-NEXT: .rw3 PROGBITS 0000000000002{{...}} 0 # RW-TEXT-RW-NEXT: .bss NOBITS 0000000000002{{...}} 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 #--- 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)); } #--- rw-text.lds SECTIONS { . = SIZEOF_HEADERS; .rw1 : { *(.rw1) } . = ALIGN(CONSTANT(MAXPAGESIZE)); .text : { *(.text) } } #--- rw-text-rw.lds SECTIONS { . = SIZEOF_HEADERS; .rw1 : { *(.rw1) } . = ALIGN(CONSTANT(MAXPAGESIZE)); .text : { *(.text) } . = ALIGN(CONSTANT(MAXPAGESIZE)); .rw2 : { *(.rw2) } }