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This commit is contained in:
Rui Ueyama 2021-04-01 01:16:17 +09:00
parent b55d68365a
commit 6da1e8c50c
2 changed files with 12 additions and 5 deletions
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15
output_chunks.cc
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@ -728,16 +728,22 @@ void GotSection<E>::copy_buf(Context<E> &ctx) {
template <typename E>
void GotPltSection<E>::copy_buf(Context<E> &ctx) {
typename E::word *buf = (typename E::word *)(ctx.buf + this->shdr.sh_offset);
memset(buf, 0, this->shdr.sh_size);
// The first slot of .got.plt points to _DYNAMIC, as requested by
// the x86-64 psABI. The second and the third slots are reserved by
// the psABI.
buf[0] = ctx.dynamic ? ctx.dynamic->shdr.sh_addr : 0;
buf[1] = 0;
buf[2] = 0;
for (Symbol<E> *sym : ctx.plt->symbols)
for (Symbol<E> *sym : ctx.plt->symbols) {
if (sym->get_type() == STT_GNU_IFUNC) {
if (E::rel_type == SHT_REL)
buf[sym->gotplt_idx] = sym->input_section->get_addr() + sym->value;
continue;
}
buf[sym->gotplt_idx] = sym->get_plt_addr(ctx) + 6;
}
}
template <typename E>
@ -801,8 +807,8 @@ void RelPltSection<E>::copy_buf(Context<E> &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;
u64 r_sym = 0;
u32 r_addend = 0;
if (sym->get_type() == STT_GNU_IFUNC) {
@ -810,6 +816,7 @@ void RelPltSection<E>::copy_buf(Context<E> &ctx) {
r_addend = sym->input_section->get_addr() + sym->value;
} else {
r_type = E::R_JUMP_SLOT;
r_sym = sym->dynsym_idx;
}
ElfRel<E> *rel = buf + relplt_idx++;

2
test/i386-hello-static.sh
View File

@ -15,6 +15,6 @@ int main() {
EOF
clang -fuse-ld=`pwd`/../mold -m32 -o $t/exe $t/a.o -static
# $t/exe | grep -q 'Hello world'
$t/exe | grep -q 'Hello world'
echo OK