Index: ELF/OutputSections.h =================================================================== --- ELF/OutputSections.h +++ ELF/OutputSections.h @@ -585,12 +585,13 @@ uint64_t Val; const SymbolBody *Sym; }; - enum KindT { SecAddr, SymAddr, PlainInt } Kind; - Entry(int32_t Tag, OutputSectionBase *OutSec) - : Tag(Tag), OutSec(OutSec), Kind(SecAddr) {} + enum KindT { SecAddr, SecSize, SymAddr, PlainInt } Kind; + Entry(int32_t Tag, OutputSectionBase *OutSec, KindT Kind = SecAddr) + : Tag(Tag), OutSec(OutSec), Kind(Kind) {} Entry(int32_t Tag, uint64_t Val) : Tag(Tag), Val(Val), Kind(PlainInt) {} Entry(int32_t Tag, const SymbolBody *Sym) : Tag(Tag), Sym(Sym), Kind(SymAddr) {} + Entry(int32_t Tag) : Tag(Tag), Kind(SecSize) {} }; // finalize() fills this vector with the section contents. finalize() Index: ELF/OutputSections.cpp =================================================================== --- ELF/OutputSections.cpp +++ ELF/OutputSections.cpp @@ -681,15 +681,15 @@ if (Out::PreinitArray) { Add({DT_PREINIT_ARRAY, Out::PreinitArray}); - Add({DT_PREINIT_ARRAYSZ, Out::PreinitArray->getSize()}); + Add({DT_PREINIT_ARRAYSZ, Out::PreinitArray, Entry::SecSize}); } if (Out::InitArray) { Add({DT_INIT_ARRAY, Out::InitArray}); - Add({DT_INIT_ARRAYSZ, (uintX_t)Out::InitArray->getSize()}); + Add({DT_INIT_ARRAYSZ, Out::InitArray, Entry::SecSize}); } if (Out::FiniArray) { Add({DT_FINI_ARRAY, Out::FiniArray}); - Add({DT_FINI_ARRAYSZ, (uintX_t)Out::FiniArray->getSize()}); + Add({DT_FINI_ARRAYSZ, Out::FiniArray, Entry::SecSize}); } if (SymbolBody *B = Symtab::X->find(Config->Init)) @@ -760,6 +760,9 @@ case Entry::SecAddr: P->d_un.d_ptr = E.OutSec->getVA(); break; + case Entry::SecSize: + P->d_un.d_val = E.OutSec->getSize(); + break; case Entry::SymAddr: P->d_un.d_ptr = E.Sym->template getVA(); break; Index: test/ELF/linkerscript/linkerscript-dynamic.s =================================================================== --- test/ELF/linkerscript/linkerscript-dynamic.s +++ test/ELF/linkerscript/linkerscript-dynamic.s @@ -0,0 +1,28 @@ +# REQUIRES: x86 +# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.o +# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/shared.s -o %t2.o +# RUN: ld.lld -shared %t2.o -o %t2.so + +# RUN: echo "SECTIONS { }" > %t.script +# RUN: ld.lld %t1.o %t2.so -o %t +# RUN: llvm-readobj -dynamic-table %t | FileCheck %s + +# CHECK: DynamicSection [ +# CHECK-NEXT: Tag Type Name/Value +# CHECK: 0x0000000000000021 PREINIT_ARRAYSZ 9 (bytes) +# CHECK: 0x000000000000001B INIT_ARRAYSZ 8 (bytes) +# CHECK: 0x000000000000001C FINI_ARRAYSZ 10 (bytes) + +.globl _start +_start: + +.section .init_array,"aw",@init_array + .quad 0 + +.section .preinit_array,"aw",@preinit_array + .quad 0 + .byte 0 + +.section .fini_array,"aw",@fini_array + .quad 0 + .short 0