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83a924ddac
Author | SHA1 | Date | |
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83a924ddac | ||
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2e8bd0b7a6 |
@ -180,7 +180,7 @@ void ObjectFile<E>::initialize_sections(Context<E> &ctx) {
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std::string_view signature;
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if (esym.st_type == STT_SECTION) {
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signature = this->shstrtab.data() +
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this->elf_sections[esym.st_shndx].sh_name;
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this->elf_sections[get_shndx(esym)].sh_name;
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} else {
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signature = this->symbol_strtab.data() + esym.st_name;
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}
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@ -206,10 +206,8 @@ void ObjectFile<E>::initialize_sections(Context<E> &ctx) {
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comdat_groups.push_back({group, (u32)i, entries.subspan(1)});
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break;
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}
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case SHT_SYMTAB_SHNDX:
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symtab_shndx_sec = this->template get_data<U32<E>>(ctx, shdr);
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break;
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case SHT_SYMTAB:
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case SHT_SYMTAB_SHNDX:
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case SHT_STRTAB:
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case SHT_REL:
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case SHT_RELA:
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@ -866,6 +864,9 @@ void ObjectFile<E>::parse(Context<E> &ctx) {
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this->first_global = symtab_sec->sh_info;
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this->elf_syms = this->template get_data<ElfSym<E>>(ctx, *symtab_sec);
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this->symbol_strtab = this->get_string(ctx, symtab_sec->sh_link);
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if (ElfShdr<E> *shdr = this->find_section(SHT_SYMTAB_SHNDX))
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symtab_shndx_sec = this->template get_data<U32<E>>(ctx, *shdr);
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}
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initialize_sections(ctx);
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@ -1189,8 +1190,7 @@ void ObjectFile<E>::populate_symtab(Context<E> &ctx) {
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auto write_sym = [&](Symbol<E> &sym, i64 &symtab_idx) {
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U32<E> *xindex = nullptr;
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if (ctx.symtab_shndx)
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xindex = (U32<E> *)(ctx.buf + ctx.symtab_shndx->shdr.sh_offset +
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symtab_idx * 4);
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xindex = (U32<E> *)(ctx.buf + ctx.symtab_shndx->shdr.sh_offset) + symtab_idx;
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symtab_base[symtab_idx++] = to_output_esym(ctx, sym, strtab_off, xindex);
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strtab_off += write_string(strtab_base + strtab_off, sym.name());
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@ -1493,8 +1493,8 @@ void SharedFile<E>::populate_symtab(Context<E> &ctx) {
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U32<E> *xindex = nullptr;
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if (ctx.symtab_shndx)
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xindex = (U32<E> *)(ctx.buf + ctx.symtab_shndx->shdr.sh_offset +
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(this->global_symtab_idx + i) * 4);
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xindex = (U32<E> *)(ctx.buf + ctx.symtab_shndx->shdr.sh_offset) +
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this->global_symtab_idx + i;
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*symtab++ = to_output_esym(ctx, sym, strtab_off, xindex);
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strtab_off += write_string(strtab + strtab_off, sym.name());
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@ -652,7 +652,14 @@ void SymtabSection<E>::copy_buf(Context<E> &ctx) {
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memset(&sym, 0, sizeof(sym));
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sym.st_type = STT_SECTION;
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sym.st_value = chunk->shdr.sh_addr;
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sym.st_shndx = chunk->shndx;
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if (ctx.symtab_shndx) {
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U32<E> *xindex = (U32<E> *)(ctx.buf + ctx.symtab_shndx->shdr.sh_offset);
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xindex[chunk->shndx] = chunk->shndx;
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sym.st_shndx = SHN_XINDEX;
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} else {
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sym.st_shndx = chunk->shndx;
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}
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}
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}
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21
test/elf/relocatable-many-sections.sh
Executable file
21
test/elf/relocatable-many-sections.sh
Executable file
@ -0,0 +1,21 @@
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#!/bin/bash
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. $(dirname $0)/common.inc
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# OneTBB isn't tsan-clean
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nm mold | grep -q '__tsan_init' && skip
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seq 1 80000 | sed 's/.*/.section .data.\0,"aw"\n.word 0\n/g' | \
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$CC -c -xassembler -o $t/a.o -
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cat <<'EOF' | $CC -c -xc -o $t/b.o -
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#include <stdio.h>
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int main() {
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printf("Hello\n");
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return 0;
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}
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EOF
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./mold -r -o $t/c.o $t/a.o $t/b.o
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$CC -B. -o $t/exe $t/c.o
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$QEMU $t/exe | grep -q Hello
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