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1# REQUIRES: x862## Test the placement of .lrodata, .lbss, .ldata, and their -fdata-sections variants.3## See also section-layout.s.4 5# RUN: rm -rf %t && split-file %s %t && cd %t6 7# RUN: llvm-mc -filetype=obj -triple=x86_64 --defsym=BSS=1 a.s -o a.o8# RUN: ld.lld --section-start=.note=0x200300 a.o -o a9# RUN: llvm-readelf -S -l -sX a | FileCheck %s10 11# RUN: llvm-mc -filetype=obj -triple=x86_64 a.s -o a1.o12# RUN: ld.lld --section-start=.note=0x200300 a1.o -o a113# RUN: llvm-readelf -S -sX a1 | FileCheck %s --check-prefix=CHECK114 15# RUN: ld.lld -T b.lds -z norelro a.o -z lrodata-after-bss -z nolrodata-after-bss -o b --fatal-warnings16# RUN: llvm-readelf -S -l b | FileCheck %s --check-prefix=CHECK217 18# RUN: ld.lld --section-start=.note=0x200300 a.o -z lrodata-after-bss -o a319# RUN: llvm-readelf -S -l -sX a3 | FileCheck %s --check-prefix=CHECK320 21# RUN: llvm-mc -filetype=obj -triple=x86_64 c.s -o c.o22# RUN: ld.lld c.o -o c23# RUN: llvm-readelf -S -l c | FileCheck %s --check-prefix=CHECK424 25# CHECK: Name Type Address Off Size ES Flg Lk Inf Al26# CHECK-NEXT: NULL 0000000000000000 000000 000000 00 0 0 027# CHECK-NEXT: .note NOTE 0000000000200300 000300 000001 00 A 0 0 128# CHECK-NEXT: .lrodata PROGBITS 0000000000200301 000301 000002 00 Al 0 0 129# CHECK-NEXT: .rodata PROGBITS 0000000000200303 000303 000001 00 A 0 0 130# CHECK-NEXT: .text PROGBITS 0000000000201304 000304 000001 00 AX 0 0 431# CHECK-NEXT: .tdata PROGBITS 0000000000202305 000305 000001 00 WAT 0 0 132# CHECK-NEXT: .tbss NOBITS 0000000000202306 000306 000002 00 WAT 0 0 133# CHECK-NEXT: .relro_padding NOBITS 0000000000202306 000306 000cfa 00 WA 0 0 134# CHECK-NEXT: .data PROGBITS 0000000000203306 000306 000001 00 WA 0 0 135# CHECK-NEXT: .bss NOBITS 0000000000203307 000307 001800 00 WA 0 0 136## We spend size(.bss) % MAXPAGESIZE bytes for .bss.37# CHECK-NEXT: .ldata PROGBITS 0000000000205b07 000b07 000002 00 WAl 0 0 138# CHECK-NEXT: .ldata2 PROGBITS 0000000000205b09 000b09 000001 00 WAl 0 0 139# CHECK-NEXT: .lbss NOBITS 0000000000205b0a 000b0a 001201 00 WAl 0 0 140# CHECK-NEXT: .comment PROGBITS 0000000000000000 000b0a {{.*}} 01 MS 0 0 141 42# CHECK: Program Headers:43# CHECK-NEXT: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align44# CHECK-NEXT: PHDR 0x000040 0x0000000000200040 0x0000000000200040 {{.*}} {{.*}} R 0x845# CHECK-NEXT: LOAD 0x000000 0x0000000000200000 0x0000000000200000 0x000304 0x000304 R 0x100046# CHECK-NEXT: LOAD 0x000304 0x0000000000201304 0x0000000000201304 0x000001 0x000001 R E 0x100047# CHECK-NEXT: LOAD 0x000305 0x0000000000202305 0x0000000000202305 0x000001 0x000cfb RW 0x100048# CHECK-NEXT: LOAD 0x000306 0x0000000000203306 0x0000000000203306 0x000001 0x001801 RW 0x100049# CHECK-NEXT: LOAD 0x000b07 0x0000000000205b07 0x0000000000205b07 0x000003 0x001204 RW 0x100050 51# CHECK: 0000000000201304 0 NOTYPE GLOBAL DEFAULT [[#]] (.text) _start52# CHECK-NEXT: 0000000000201305 0 NOTYPE GLOBAL DEFAULT [[#]] (.text) _etext53# CHECK-NEXT: 0000000000203307 0 NOTYPE GLOBAL DEFAULT [[#]] (.data) _edata54# CHECK-NEXT: 0000000000206d0b 0 NOTYPE GLOBAL DEFAULT [[#]] (.lbss) _end55 56# CHECK1: .data PROGBITS 0000000000203306 000306 000001 00 WA 0 0 157# CHECK1-NEXT: .ldata PROGBITS 0000000000203307 000307 000002 00 WAl 0 0 158# CHECK1-NEXT: .ldata2 PROGBITS 0000000000203309 000309 000001 00 WAl 0 0 159# CHECK1-NEXT: .comment PROGBITS 0000000000000000 00030a {{.*}} 01 MS 0 0 160 61# CHECK1: 0000000000201304 0 NOTYPE GLOBAL DEFAULT [[#]] (.text) _start62# CHECK1-NEXT: 0000000000201305 0 NOTYPE GLOBAL DEFAULT [[#]] (.text) _etext63# CHECK1-NEXT: 0000000000203307 0 NOTYPE GLOBAL DEFAULT [[#]] (.data) _edata64# CHECK1-NEXT: 000000000020330a 0 NOTYPE GLOBAL DEFAULT [[#]] (.ldata2) _end65 66# CHECK2: .note NOTE 0000000000200300 000300 000001 00 A 0 0 167# CHECK2-NEXT: .lrodata PROGBITS 0000000000200301 000301 000001 00 Al 0 0 168## With a SECTIONS command, we suppress the default rule placing .lrodata.* into .lrodata.69# CHECK2-NEXT: .lrodata.1 PROGBITS 0000000000200302 000302 000001 00 Al 0 0 170# CHECK2-NEXT: .rodata PROGBITS 0000000000200303 000303 000001 00 A 0 0 171# CHECK2-NEXT: .text PROGBITS 0000000000200304 000304 000001 00 AX 0 0 472# CHECK2-NEXT: .tdata PROGBITS 0000000000200305 000305 000001 00 WAT 0 0 173# CHECK2-NEXT: .tbss NOBITS 0000000000200306 000306 000001 00 WAT 0 0 174# CHECK2-NEXT: .tbss.1 NOBITS 0000000000200307 000306 000001 00 WAT 0 0 175# CHECK2-NEXT: .data PROGBITS 0000000000200306 000306 000001 00 WA 0 0 176# CHECK2-NEXT: .bss NOBITS 0000000000200307 000307 001800 00 WA 0 0 177# CHECK2-NEXT: .ldata PROGBITS 0000000000201b07 001b07 000002 00 WAl 0 0 178# CHECK2-NEXT: .ldata2 PROGBITS 0000000000201b09 001b09 000001 00 WAl 0 0 179# CHECK2-NEXT: .lbss NOBITS 0000000000201b0a 001b0a 001201 00 WAl 0 0 180# CHECK2-NEXT: .comment PROGBITS 0000000000000000 001b0a {{.*}} 01 MS 0 0 181 82# CHECK2: Program Headers:83# CHECK2-NEXT: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align84# CHECK2-NEXT: PHDR 0x000040 0x0000000000200040 0x0000000000200040 {{.*}} {{.*}} R 0x885# CHECK2-NEXT: LOAD 0x000000 0x0000000000200000 0x0000000000200000 0x000304 0x000304 R 0x100086# CHECK2-NEXT: LOAD 0x000304 0x0000000000200304 0x0000000000200304 0x000001 0x000001 R E 0x100087# CHECK2-NEXT: LOAD 0x000305 0x0000000000200305 0x0000000000200305 0x001805 0x002a06 RW 0x100088# CHECK2-NEXT: TLS 0x000305 0x0000000000200305 0x0000000000200305 0x000001 0x000003 R 0x189 90# CHECK3: Name Type Address Off Size ES Flg Lk Inf Al91# CHECK3-NEXT: NULL 0000000000000000 000000 000000 00 0 0 092# CHECK3-NEXT: .note NOTE 0000000000200300 000300 000001 00 A 0 0 193# CHECK3-NEXT: .rodata PROGBITS 0000000000200301 000301 000001 00 A 0 0 194# CHECK3-NEXT: .text PROGBITS 0000000000201304 000304 000001 00 AX 0 0 495# CHECK3-NEXT: .tdata PROGBITS 0000000000202305 000305 000001 00 WAT 0 0 196# CHECK3-NEXT: .tbss NOBITS 0000000000202306 000306 000002 00 WAT 0 0 197# CHECK3-NEXT: .relro_padding NOBITS 0000000000202306 000306 000cfa 00 WA 0 0 198# CHECK3-NEXT: .data PROGBITS 0000000000203306 000306 000001 00 WA 0 0 199# CHECK3-NEXT: .bss NOBITS 0000000000203307 000307 001800 00 WA 0 0 1100## We spend (size(.bss) + size(.lbss)) % MAXPAGESIZE bytes.101# CHECK3-NEXT: .lbss NOBITS 0000000000204b07 000307 001201 00 WAl 0 0 1102# CHECK3-NEXT: .lrodata PROGBITS 0000000000206d08 000d08 000002 00 Al 0 0 1103# CHECK3-NEXT: .ldata PROGBITS 0000000000207d0a 000d0a 000002 00 WAl 0 0 1104# CHECK3-NEXT: .ldata2 PROGBITS 0000000000207d0c 000d0c 000001 00 WAl 0 0 1105# CHECK3-NEXT: .comment PROGBITS 0000000000000000 000d0d {{.*}} 01 MS 0 0 1106 107# CHECK3: Program Headers:108# CHECK3-NEXT: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align109# CHECK3-NEXT: PHDR 0x000040 0x0000000000200040 0x0000000000200040 {{.*}} {{.*}} R 0x8110# CHECK3-NEXT: LOAD 0x000000 0x0000000000200000 0x0000000000200000 0x000302 0x000302 R 0x1000111# CHECK3-NEXT: LOAD 0x000304 0x0000000000201304 0x0000000000201304 0x000001 0x000001 R E 0x1000112# CHECK3-NEXT: LOAD 0x000305 0x0000000000202305 0x0000000000202305 0x000001 0x000cfb RW 0x1000113# CHECK3-NEXT: LOAD 0x000306 0x0000000000203306 0x0000000000203306 0x000001 0x002a02 RW 0x1000114# CHECK3-NEXT: LOAD 0x000d08 0x0000000000206d08 0x0000000000206d08 0x000002 0x000002 R 0x1000115# CHECK3-NEXT: LOAD 0x000d0a 0x0000000000207d0a 0x0000000000207d0a 0x000003 0x000003 RW 0x1000116# CHECK3-NEXT: TLS 0x000305 0x0000000000202305 0x0000000000202305 0x000001 0x000003 R 0x1117 118# CHECK3: 0000000000201304 0 NOTYPE GLOBAL DEFAULT [[#]] (.text) _start119# CHECK3-NEXT: 0000000000201305 0 NOTYPE GLOBAL DEFAULT [[#]] (.text) _etext120# CHECK3-NEXT: 0000000000203307 0 NOTYPE GLOBAL DEFAULT [[#]] (.data) _edata121# CHECK3-NEXT: 0000000000207d0d 0 NOTYPE GLOBAL DEFAULT [[#]] (.ldata2) _end122 123# CHECK4: .note NOTE124# CHECK4-NEXT: .ltext PROGBITS125# CHECK4-NEXT: .lrodata PROGBITS126# CHECK4-NEXT: .rodata PROGBITS127# CHECK4-NEXT: .text PROGBITS128# CHECK4-NEXT: .data PROGBITS129# CHECK4-NEXT: .bss NOBITS130# CHECK4-NEXT: .ldata PROGBITS131# CHECK4-NEXT: .lbss NOBITS132# CHECK4-NEXT: .ltext_w PROGBITS133# CHECK4-NEXT: .comment PROGBITS134 135#--- a.s136.globl _start, _etext, _edata, _end137_start:138 ret139 140.section .note,"a",@note; .space 1141.section .rodata,"a",@progbits; .space 1142.section .data,"aw",@progbits; .space 1143.ifdef BSS144## .bss is large than one MAXPAGESIZE to test file offsets.145.section .bss,"aw",@nobits; .space 0x1800146.endif147.section .tdata,"awT",@progbits; .space 1148.section .tbss,"awT",@nobits; .space 1149.section .tbss.1,"awT",@nobits; .space 1150 151.section .lrodata,"al"; .space 1152.section .lrodata.1,"al"; .space 1153.section .ldata,"awl"; .space 1154## Input .ldata.rel.ro sections are placed in the output .ldata section.155.section .ldata.rel.ro,"awl"; .space 1156.ifdef BSS157.section .lbss,"awl",@nobits; .space 0x1200158## Input .lbss.rel.ro sections are placed in the output .lbss section.159.section .lbss.rel.ro,"awl",@nobits; .space 1160.endif161.section .ldata2,"awl"; .space 1162 163#--- b.lds164SECTIONS {165 . = 0x200300;166 .rodata : {}167 .text : {}168 .data : {}169 .bss : {}170 .ldata : { *(.ldata .ldata.*) }171 .ldata2 : {}172 .lbss : { *(.lbss .lbss.*) }173}174 175#--- c.s176## Test .ltext layout177.section .ltext,"axl",@progbits178.globl f179f:180 ret181 182.section .ltext_w,"awxl",@progbits183.globl g184g:185 ret186 187.section .text,"ax",@progbits188.globl h189h:190 ret191 192.section .note,"a",@note; .space 1193.section .rodata,"a",@progbits; .space 1194.section .data,"aw",@progbits; .space 1195.section .bss,"aw",@nobits; .space 1196.section .lrodata,"al"; .space 1197.section .ldata,"awl"; .space 1198.section .lbss,"awl",@nobits; .space 1199