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This commit is contained in:
Rui Ueyama 2021-03-30 21:13:04 +09:00
parent 1348da5c2f
commit adcccbeeef
1 changed files with 15 additions and 33 deletions
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48
output_chunks.cc
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@ -703,12 +703,12 @@ void GotSection<E>::copy_buf(Context<E> &ctx) {
for (Symbol<E> *sym : tlsdesc_syms)
*rel++ = reloc<E>(sym->get_tlsdesc_addr(ctx), R_X86_64_TLSDESC,
sym->dynsym_idx, 0);
sym->dynsym_idx, 0);
for (Symbol<E> *sym : gottpoff_syms) {
if (sym->is_imported)
*rel++ = reloc<E>(sym->get_gottpoff_addr(ctx), R_X86_64_TPOFF64,
sym->dynsym_idx, 0);
sym->dynsym_idx, 0);
else
buf[sym->gottpoff_idx] = sym->get_addr(ctx) - ctx.tls_end;
}
@ -821,46 +821,28 @@ void RelPltSection<E>::update_shdr(Context<E> &ctx) {
this->shdr.sh_link = ctx.dynsym->shndx;
}
template <>
void RelPltSection<X86_64>::copy_buf(Context<X86_64> &ctx) {
ElfRel<X86_64> *buf = (ElfRel<X86_64> *)(ctx.buf + this->shdr.sh_offset);
template <typename E>
void RelPltSection<E>::copy_buf(Context<E> &ctx) {
ElfRel<E> *buf = (ElfRel<E> *)(ctx.buf + this->shdr.sh_offset);
memset(buf, 0, this->shdr.sh_size);
i64 relplt_idx = 0;
for (Symbol<X86_64> *sym : ctx.plt->symbols) {
ElfRel<X86_64> &rel = buf[relplt_idx++];
memset(&rel, 0, sizeof(rel));
rel.r_sym = sym->dynsym_idx;
rel.r_offset = sym->get_gotplt_addr(ctx);
for (Symbol<E> *sym : ctx.plt->symbols) {
u64 r_offset = sym->get_gotplt_addr(ctx);
u64 r_sym = sym->dynsym_idx;
u32 r_type = 0;
u32 r_addend = 0;
if (sym->get_type() == STT_GNU_IFUNC) {
rel.r_type = R_X86_64_IRELATIVE;
rel.r_addend = sym->input_section->get_addr() + sym->value;
r_type = R_X86_64_IRELATIVE;
r_addend = sym->input_section->get_addr() + sym->value;
} else {
rel.r_type = R_X86_64_JUMP_SLOT;
r_type = R_X86_64_JUMP_SLOT;
}
}
}
template <>
void RelPltSection<I386>::copy_buf(Context<I386> &ctx) {
ElfRel<I386> *buf = (ElfRel<I386> *)(ctx.buf + this->shdr.sh_offset);
memset(buf, 0, this->shdr.sh_size);
i64 relplt_idx = 0;
for (Symbol<I386> *sym : ctx.plt->symbols) {
ElfRel<I386> &rel = buf[relplt_idx++];
memset(&rel, 0, sizeof(rel));
rel.r_sym = sym->dynsym_idx;
rel.r_offset = sym->get_gotplt_addr(ctx);
if (sym->get_type() == STT_GNU_IFUNC) {
rel.r_type = R_386_IRELATIVE;
} else {
rel.r_type = R_386_JUMP_SLOT;
}
ElfRel<E> *rel = buf + relplt_idx++;
*rel = reloc<E>(r_offset, r_type, r_sym, r_addend);
}
}