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1# REQUIRES: x862 3# RUN: rm -rf %t && split-file %s %t && cd %t4 5# RUN: llvm-mc -filetype=obj -triple=x86_64 a.s -o a.o6 7# RUN: ld.lld -z keep-data-section-prefix -T x.lds a.o -o out18# RUN: llvm-readelf -l out1 | FileCheck --check-prefixes=SEG,LS %s9# RUN: llvm-readelf -S out1 | FileCheck %s --check-prefix=CHECK-LS10 11# RUN: ld.lld -z keep-data-section-prefix a.o -o out212# RUN: llvm-readelf -l out2 | FileCheck --check-prefixes=SEG,PRE %s13# RUN: llvm-readelf -S out2 | FileCheck %s --check-prefix=CHECK-PRE14 15# RUN: ld.lld a.o -o out316# RUN: llvm-readelf -l out3 | FileCheck --check-prefixes=SEG,PRE %s17# RUN: llvm-readelf -S out3 | FileCheck %s --check-prefix=CHECK-PRE18 19# RUN: not ld.lld -T x.lds a.o 2>&1 | FileCheck %s20# CHECK: error: section: .relro_padding is not contiguous with other relro sections21 22## The first RW PT_LOAD segment has FileSiz 0x126f (0x1000 + 0x200 + 0x60 + 0xf),23## and its p_offset p_vaddr p_paddr p_filesz should match PT_GNU_RELRO.24# Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align25# SEG: LOAD 0x0001c8 0x00000000002011c8 0x00000000002011c8 0x000001 0x000001 R E 0x100026# SEG-NEXT: LOAD 0x0001c9 0x00000000002021c9 0x00000000002021c9 0x00126f 0x001e37 RW 0x100027# SEG-NEXT: LOAD 0x001438 0x0000000000204438 0x0000000000204438 0x000001 0x000002 RW 0x100028# SEG-NEXT: GNU_RELRO 0x0001c9 0x00000000002021c9 0x00000000002021c9 0x00126f 0x001e37 R 0x129# SEG-NEXT: GNU_STACK 0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 RW 0x030 31## Input to output mapping per linker script32## .data.rel.ro.split -> .data.rel.ro33## .data.rel.ro -> .data.rel.ro34## .data.rel.ro.hot -> .data.rel.ro.hot35## .data.rel.ro.unlikely -> .data.rel.ro.unlikely36# LS: .text37# LS-NEXT: .data.rel.ro.hot .data.rel.ro .data.rel.ro.unlikely .relro_padding38# LS-NEXT: .data .bss39 40# [Nr] Name Type Address Off Size41# CHECK-LS: .data.rel.ro.hot PROGBITS 00000000002021c9 0001c9 00000f42# CHECK-LS-NEXT: .data.rel.ro PROGBITS 00000000002021d8 0001d8 00026043# CHECK-LS-NEXT: .data.rel.ro.unlikely PROGBITS 0000000000202438 000438 00100044# CHECK-LS-NEXT: .relro_padding NOBITS 0000000000203438 001438 000bc845# CHECK-LS-NEXT: .data PROGBITS 0000000000204438 001438 00000146# CHECK-LS-NEXT: .bss NOBITS 0000000000204439 001439 00000147 48## Linker script is not provided to map data sections.49## So all input sections with prefix .data.rel.ro will map to .data.rel.ro in the output.50# PRE: .text51# PRE-NEXT: .data.rel.ro .relro_padding52# PRE-NEXT: .data .bss53 54# [Nr] Name Type Address Off Size55# CHECK-PRE: .data.rel.ro PROGBITS 00000000002021c9 0001c9 00126f56# CHECK-PRE-NEXT: .relro_padding NOBITS 0000000000203438 001438 000bc857# CHECK-PRE-NEXT: .data PROGBITS 0000000000204438 001438 00000158# CHECK-PRE-NEXT: .bss NOBITS 0000000000204439 001439 00000159 60#--- x.lds61SECTIONS {62 .data.rel.ro.hot : { *(.data.rel.ro.hot) }63 .data.rel.ro : { .data.rel.ro }64 .data.rel.ro.unlikely : { *(.data.rel.ro.unlikely) }65} INSERT AFTER .text66 67 68#--- a.s69.globl _start70_start:71 ret72 73.section .data.rel.ro.hot, "aw"74.space 1575 76.section .data.rel.ro, "aw"77.space 9678 79.section .data.rel.ro.split,"aw"80.space 51281 82.section .data.rel.ro.unlikely, "aw"83.space 409684 85.section .data, "aw"86.space 187 88.section .bss, "aw"89.space 190