1# REQUIRES: x86 2# RUN: split-file %s %t 3# RUN: llvm-mc -filetype=obj -triple=x86_64 %t/main.s -o %t.o 4 5## Non-SHF_ALLOC sections are placed after all SHF_ALLOC sections. They will 6## thus not be contained in a PT_LOAD segment. data2 has a PT_LOAD segment, 7## even if it is preceded by a non-SHF_ALLOC section. Non-SHF_ALLOC orphan 8## sections have zero addresses. 9## NOTE: GNU ld assigns non-zero addresses to non-SHF_ALLOC non-orphan sections. 10# RUN: ld.lld -T %t/a.lds %t.o -o %ta 11# RUN: llvm-readelf -S -l %ta | FileCheck %s 12 13# CHECK: [Nr] Name Type Address Off Size ES Flg Lk 14# CHECK-NEXT: [ 0] NULL 0000000000000000 000000 000000 00 0 15# CHECK-NEXT: [ 1] .bss NOBITS 0000000000000000 001000 000001 00 WA 0 16# CHECK-NEXT: [ 2] data1 PROGBITS 0000000000000001 001001 000001 00 WA 0 17# CHECK-NEXT: [ 3] other1 PROGBITS 0000000000000000 001008 000001 00 0 18# CHECK-NEXT: [ 4] other2 PROGBITS 0000000000000000 001010 000001 00 0 19# CHECK-NEXT: [ 5] data2 PROGBITS 0000000000000002 001002 000001 00 WA 0 20## max{sortRank(data1),sortRank(data2)} <= sortRank(data3). data3 is placed after the latter. 21# CHECK-NEXT: [ 6] data3 PROGBITS 0000000000000003 001003 000001 00 WA 0 22# CHECK-NEXT: [ 7] .text PROGBITS 0000000000000004 001004 000001 00 AX 0 23## Non-alloc orphan sections other3, .symtab, .shstrtab and .strtab are placed at the end. 24# CHECK-NEXT: [ 8] other3 PROGBITS 0000000000000000 001020 000001 00 0 25# CHECK-NEXT: [ 9] .symtab SYMTAB 0000000000000000 001028 000030 18 11 26# CHECK-NEXT: [10] .shstrtab STRTAB 0000000000000000 001058 00004d 00 0 27# CHECK-NEXT: [11] .strtab STRTAB 0000000000000000 0010a5 000008 00 0 28 29# CHECK: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align 30# CHECK-NEXT: LOAD 0x001000 0x0000000000000000 0x0000000000000000 0x000004 0x000004 RW 0x1000 31# CHECK-NEXT: LOAD 0x001004 0x0000000000000004 0x0000000000000004 0x000001 0x000001 R E 0x1000 32# CHECK-NEXT: GNU_STACK 0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 RW 0 33 34# RUN: ld.lld -T %t/b.lds %t.o -o %tb 35# RUN: llvm-readelf -S -l %tb | FileCheck %s --check-prefix=CHECK1 36 37## --section-start causes the orphan other3 to be considered before .data3. 38## The non-alloc other3 does not disable the placement of .data3. 39# RUN: ld.lld -T %t/b.lds %t.o -o %tb --section-start=other3=0 40# RUN: llvm-readelf -S -l %tb | FileCheck %s --check-prefix=CHECK1 41 42# CHECK1: [Nr] Name Type Address Off Size ES Flg Lk 43# CHECK1-NEXT: [ 0] NULL 0000000000000000 000000 000000 00 0 44# CHECK1-NEXT: [ 1] .text PROGBITS 00000000000000b0 0000b0 000001 00 AX 0 45# CHECK1-NEXT: [ 2] .bss NOBITS 00000000000000b1 0000b1 000001 00 WA 0 46# CHECK1-NEXT: [ 3] data1 PROGBITS 00000000000000b2 0000b2 000001 00 WA 0 47# CHECK1-NEXT: [ 4] other1 PROGBITS 0000000000000000 0000b8 000001 00 0 48# CHECK1-NEXT: [ 5] other2 PROGBITS 0000000000000000 0000c0 000001 00 0 49# CHECK1-NEXT: [ 6] data2 PROGBITS 00000000000000b3 0000b3 000001 00 WA 0 50# CHECK1-NEXT: [ 7] data3 PROGBITS 00000000000000b4 0000b4 000001 00 WA 0 51# CHECK1-NEXT: [ 8] other3 PROGBITS 0000000000000000 0000d0 000001 00 0 52# CHECK1-NEXT: [ 9] .symtab SYMTAB 0000000000000000 0000d8 000030 18 11 53# CHECK1-NEXT: [10] .shstrtab STRTAB 0000000000000000 000108 00004d 00 0 54# CHECK1-NEXT: [11] .strtab STRTAB 0000000000000000 000155 000008 00 0 55# CHECK1: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align 56# CHECK1-NEXT: LOAD 0x000000 0x0000000000000000 0x0000000000000000 0x0000b5 0x0000b5 RWE 0x1000 57# CHECK1-NEXT: 0x60000000 0x0000b8 0x0000000000000000 0x0000000000000000 0x000009 0x000001 0x8 58 59#--- a.lds 60SECTIONS { 61 .bss : { *(.bss) } 62 data1 : { *(data1) } 63 other1 : { *(other1) } 64 other2 : { *(other2) } 65 data2 : { *(data2) } 66 .text : { *(.text) } 67 /DISCARD/ : { *(.comment) } 68} 69 70#--- b.lds 71PHDRS { 72 text PT_LOAD FILEHDR PHDRS; 73 foo 0x60000000 FLAGS (0); 74} 75SECTIONS { 76 . = SIZEOF_HEADERS; 77 .text : { *(.text) } : text 78 .bss : { *(.bss) } : text 79 data1 : { *(data1) } : text 80 other1 : { *(other1) } : foo 81 other2 : { *(other2) } : foo 82 data2 : { *(data1) } : text 83 /DISCARD/ : { *(.comment) } 84} 85 86#--- main.s 87.globl _start 88_start: nop 89.section data1,"aw"; .byte 0 90.section data2,"aw"; .byte 0 91.section data3,"aw"; .byte 0 92.bss; .byte 0 93 94.section other1; .p2align 2; .byte 0 95.section other2; .p2align 3; .byte 0 96.section other3; .p2align 4; .byte 0 97