diff options
| -rw-r--r-- | lld/ELF/Writer.cpp | 11 | ||||
| -rw-r--r-- | lld/test/ELF/linkerscript/unused-synthetic.s | 18 |
2 files changed, 28 insertions, 1 deletions
diff --git a/lld/ELF/Writer.cpp b/lld/ELF/Writer.cpp index 080d8e78730..551ca260de1 100644 --- a/lld/ELF/Writer.cpp +++ b/lld/ELF/Writer.cpp @@ -1149,8 +1149,17 @@ static void removeUnusedSyntheticSections(std::vector<OutputSection *> &V) { SS->Live = false; // If there are no other sections in the output section, remove it from the // output. - if (OS->Sections.empty()) + if (OS->Sections.empty()) { V.erase(std::find(V.begin(), V.end(), OS)); + // Also remove script commands matching the output section. + auto &Cmds = Script->Opt.Commands; + auto I = std::remove_if(Cmds.begin(), Cmds.end(), [&](BaseCommand *Cmd) { + if (auto *OSCmd = dyn_cast<OutputSectionCommand>(Cmd)) + return OSCmd->Sec == OS; + return false; + }); + Cmds.erase(I, Cmds.end()); + } } } diff --git a/lld/test/ELF/linkerscript/unused-synthetic.s b/lld/test/ELF/linkerscript/unused-synthetic.s new file mode 100644 index 00000000000..c9295fff7b5 --- /dev/null +++ b/lld/test/ELF/linkerscript/unused-synthetic.s @@ -0,0 +1,18 @@ +# REQUIRES: x86 +# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o +# RUN: echo "SECTIONS { \ +# RUN: .got : { *(.got) } \ +# RUN: .plt : { *(.plt) } \ +# RUN: .text : { *(.text) } \ +# RUN: }" > %t.script +# RUN: ld.lld -shared -o %t.so --script %t.script %t.o + +# RUN: llvm-objdump -section-headers %t.so | FileCheck %s +# CHECK-NOT: .got +# CHECK-NOT: .plt +# CHECK: .text +# CHECK-NEXT: .dynsym + +.global _start +_start: + nop |
