1# REQUIRES: system-linux 2 3## Check that BOLT recognizes PT_GNU_RELRO segment and marks respective sections 4## accordingly. 5 6# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-linux %s -o %t.o 7# RUN: ld.lld %t.o -o %t.exe -q --no-relax 8# RUN: llvm-readelf -We %t.exe | FileCheck --check-prefix=READELF %s 9# Unfortunately there's no direct way to extract a segment to section mapping 10# for a given section from readelf. Use the fool-proof way of matching 11# readelf output line-by-line. 12# READELF: Program Headers: 13# READELF-NEXT: Type Offset {{.*}} 14# READELF-NEXT: PHDR 15# READELF-NEXT: LOAD 16# READELF-NEXT: LOAD 17# READELF-NEXT: LOAD 18# READELF-NEXT: GNU_RELRO 19# (GNU_RELRO is segment 4) 20 21# READELF: Section to Segment mapping: 22# READELF: 04 .got 23 24# RUN: llvm-bolt %t.exe --relocs -o %t.null -v=1 \ 25# RUN: 2>&1 | FileCheck --check-prefix=BOLT %s 26# BOLT: BOLT-INFO: marking .got as GNU_RELRO 27 28 .globl _start 29 .type _start, %function 30_start: 31 .cfi_startproc 32 jmp *foo@GOTPCREL(%rip) 33 ret 34 .cfi_endproc 35 .size _start, .-_start 36 37 .globl foo 38 .type foo, %function 39foo: 40 .cfi_startproc 41 ret 42 .cfi_endproc 43 .size foo, .-foo 44