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1# REQUIRES: x862## Test that SHT_GROUP sections are retained in relocatable output. The content3## may be rewritten because group members may change their indices. Additionally,4## group member may be combined or discarded (e.g. /DISCARD/ or --gc-sections).5 6# RUN: rm -rf %t && split-file %s %t && cd %t7# RUN: llvm-mc -filetype=obj -triple=x86_64 a.s -o a.o8# RUN: ld.lld -r a.o a.o -o a.ro9# RUN: llvm-readelf -g -S a.ro | FileCheck %s10 11# CHECK: Name Type Address Off Size ES Flg Lk Inf Al12# CHECK: .group GROUP 0000000000000000 {{.*}} 00001c 04 [[#]] [[#]] 413# CHECK-NEXT: .rodata.bar PROGBITS 0000000000000000 {{.*}} 000001 00 AG 0 0 114# CHECK-NEXT: .rodata.foo PROGBITS 0000000000000000 {{.*}} 000001 00 AG 0 0 115# CHECK-NEXT: .text.bar PROGBITS 0000000000000000 {{.*}} 000008 00 AXG 0 0 116# CHECK-NEXT: .rela.text.bar RELA 0000000000000000 {{.*}} 000018 18 IG [[#]] [[#]] 817# CHECK-NEXT: .text.foo PROGBITS 0000000000000000 {{.*}} 000008 00 AXG [[#]] [[#]] 118# CHECK-NEXT: .rela.text.foo RELA 0000000000000000 {{.*}} 000018 18 IG [[#]] [[#]] 819# CHECK-NEXT: .note.GNU-stack20 21# CHECK: COMDAT group section [{{.*}}] `.group' [abc] contains 6 sections:22# CHECK-NEXT: Name23# CHECK-NEXT: .rodata.bar24# CHECK-NEXT: .rodata.foo25# CHECK-NEXT: .text.bar26# CHECK-NEXT: .rela.text.bar27# CHECK-NEXT: .text.foo28# CHECK-NEXT: .rela.text.foo29 30## Rewrite SHT_GROUP content if some members are combined.31# RUN: echo 'SECTIONS { .rodata : {*(.rodata.*)} .text : {*(.text.*)} }' > combine.lds32# RUN: ld.lld -r -T combine.lds a.o a.o -o combine.ro33# RUN: llvm-readelf -g -S combine.ro | FileCheck %s --check-prefix=COMBINE34 35# COMBINE: Name Type Address Off Size ES Flg Lk Inf Al36# COMBINE: .rodata PROGBITS 0000000000000000 {{.*}} 000002 00 AG 0 0 137# COMBINE-NEXT: .text PROGBITS 0000000000000000 {{.*}} 000010 00 AXG 0 0 438# COMBINE-NEXT: .group GROUP 0000000000000000 {{.*}} 000014 04 [[#]] [[#]] 439# COMBINE-NEXT: .rela.text RELA 0000000000000000 {{.*}} 000018 18 IG [[#]] [[#]] 840# COMBINE-NEXT: .rela.text RELA 0000000000000000 {{.*}} 000018 18 IG [[#]] [[#]] 841# COMBINE-NEXT: .note.GNU-stack42 43# COMBINE: COMDAT group section [{{.*}}] `.group' [abc] contains 4 sections:44# COMBINE-NEXT: Name45# COMBINE-NEXT: .rodata46# COMBINE-NEXT: .text47# COMBINE-NEXT: .rela.text48# COMBINE-NEXT: .rela.text49 50## If --force-group-allocation is specified, discard .group and combine .rela.* if their relocated sections are combined.51# RUN: ld.lld -r -T combine.lds a.o a.o --force-group-allocation -o combine-a.ro52# RUN: llvm-readelf -g -S combine-a.ro | FileCheck %s --check-prefix=COMBINE-A53 54# COMBINE-A: Name Type Address Off Size ES Flg Lk Inf Al55# COMBINE-A: .rodata PROGBITS 0000000000000000 {{.*}} 000002 00 A 0 0 156# COMBINE-A-NEXT: .text PROGBITS 0000000000000000 {{.*}} 000010 00 AX 0 0 457# COMBINE-A-NEXT: .rela.text RELA 0000000000000000 {{.*}} 000030 18 I [[#]] [[#]] 858# COMBINE-A-NEXT: .note.GNU-stack59 60# RUN: echo 'SECTIONS { /DISCARD/ : {*(.rodata.*)} }' > discard-rodata.lds61# RUN: ld.lld -r -T discard-rodata.lds a.o a.o -o discard-rodata.ro62# RUN: llvm-readelf -g -S discard-rodata.ro | FileCheck %s --check-prefix=NO-RODATA63 64## Handle discarded group members.65# NO-RODATA: Name Type Address Off Size ES Flg Lk Inf Al66# NO-RODATA: .group GROUP 0000000000000000 {{.*}} 000014 04 [[#]] [[#]] 467# NO-RODATA-NEXT: .text.bar PROGBITS 0000000000000000 {{.*}} 000008 00 AXG 0 0 168# NO-RODATA-NEXT: .rela.text.bar RELA 0000000000000000 {{.*}} 000018 18 IG [[#]] [[#]] 869# NO-RODATA-NEXT: .text.foo PROGBITS 0000000000000000 {{.*}} 000008 00 AXG [[#]] [[#]] 170# NO-RODATA-NEXT: .rela.text.foo RELA 0000000000000000 {{.*}} 000018 18 IG [[#]] [[#]] 871# NO-RODATA-NEXT: .note.GNU-stack72 73# NO-RODATA: COMDAT group section [{{.*}}] `.group' [abc] contains 4 sections:74# NO-RODATA-NEXT: Name75# NO-RODATA-NEXT: .text.bar76# NO-RODATA-NEXT: .rela.text.bar77# NO-RODATA-NEXT: .text.foo78# NO-RODATA-NEXT: .rela.text.foo79 80#--- a.s81.weak abc82abc:83 84.section .rodata.bar,"aG",@progbits,abc,comdat85.byte 4286.section .rodata.foo,"aG",@progbits,abc,comdat87.byte 4288 89.section .text.bar,"axG",@progbits,abc,comdat90.quad abc91.section .text.foo,"axG",@progbits,abc,comdat92.quad abc93