diff options
-rw-r--r-- | lld/ELF/Writer.cpp | 7 | ||||
-rw-r--r-- | lld/test/ELF/linkerscript/linkerscript-eh-frame-hdr.s | 20 |
2 files changed, 26 insertions, 1 deletions
diff --git a/lld/ELF/Writer.cpp b/lld/ELF/Writer.cpp index ba0e6dd6423..8543fbf83d9 100644 --- a/lld/ELF/Writer.cpp +++ b/lld/ELF/Writer.cpp @@ -1306,8 +1306,13 @@ template <class ELFT> void Writer<ELFT>::writeSections() { } for (OutputSectionBase<ELFT> *Sec : OutputSections) - if (Sec != Out<ELFT>::Opd) + if (Sec != Out<ELFT>::Opd && Sec != Out<ELFT>::EhFrameHdr) Sec->writeTo(Buf + Sec->getFileOff()); + + // The .eh_frame_hdr depends on .eh_frame section contents, therefore + // it should be written after .eh_frame is written. + if (!Out<ELFT>::EhFrame->empty() && Out<ELFT>::EhFrameHdr) + Out<ELFT>::EhFrameHdr->writeTo(Buf + Out<ELFT>::EhFrameHdr->getFileOff()); } template <class ELFT> void Writer<ELFT>::writeBuildId() { diff --git a/lld/test/ELF/linkerscript/linkerscript-eh-frame-hdr.s b/lld/test/ELF/linkerscript/linkerscript-eh-frame-hdr.s new file mode 100644 index 00000000000..51e0b484c99 --- /dev/null +++ b/lld/test/ELF/linkerscript/linkerscript-eh-frame-hdr.s @@ -0,0 +1,20 @@ +# REQUIRES: x86 +# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t +# RUN: echo "SECTIONS { \ +# RUN: .eh_frame_hdr : {} \ +# RUN: .eh_frame : {} \ +# RUN: }" > %t.script +# RUN: ld.lld -o %t1 --eh-frame-hdr --script %t.script %t +# RUN: llvm-objdump -s -section=".eh_frame_hdr" %t1 | FileCheck %s + +# CHECK: 0158 011b033b 14000000 01000000 49000000 +# CHECK-NEXT: 0168 30000000 + +.global _start +_start: + nop + +.section .dah,"ax",@progbits +.cfi_startproc + nop +.cfi_endproc |