# REQUIRES: system-linux ## Check that BOLT recognizes PT_GNU_RELRO segment and marks respective sections ## accordingly. # RUN: llvm-mc -filetype=obj -triple x86_64-unknown-linux %s -o %t.o # RUN: ld.lld %t.o -o %t.exe -q --no-relax # RUN: llvm-readelf -We %t.exe | FileCheck --check-prefix=READELF %s # Unfortunately there's no direct way to extract a segment to section mapping # for a given section from readelf. Use the fool-proof way of matching # readelf output line-by-line. # READELF: Program Headers: # READELF-NEXT: Type Offset {{.*}} # READELF-NEXT: PHDR # READELF-NEXT: LOAD # READELF-NEXT: LOAD # READELF-NEXT: LOAD # READELF-NEXT: GNU_RELRO # (GNU_RELRO is segment 4) # READELF: Section to Segment mapping: # READELF: 04 .got # RUN: llvm-bolt %t.exe --relocs -o %t.null -v=1 \ # RUN: 2>&1 | FileCheck --check-prefix=BOLT %s # BOLT: BOLT-INFO: marking .got as GNU_RELRO .globl _start .type _start, %function _start: .cfi_startproc jmp *foo@GOTPCREL(%rip) ret .cfi_endproc .size _start, .-_start .globl foo .type foo, %function foo: .cfi_startproc ret .cfi_endproc .size foo, .-foo