diff --git a/mold.h b/mold.h
index fad3d912..d797ef85 100644
--- a/mold.h
+++ b/mold.h
@@ -90,6 +90,7 @@ struct SymbolAux {
   i32 tlsdesc_idx = -1;
   i32 plt_idx = -1;
   i32 pltgot_idx = -1;
+  i32 iplt_idx = -1;
   i32 dynsym_idx = -1;
 };
 
@@ -1487,6 +1488,12 @@ public:
     ctx.symbol_aux[aux_idx].pltgot_idx = idx;
   }
 
+  void set_iplt_idx(Context<E> &ctx, i32 idx) const {
+    assert(aux_idx != -1);
+    assert(ctx.symbol_aux[aux_idx].iplt_idx < 0);
+    ctx.symbol_aux[aux_idx].iplt_idx = idx;
+  }
+
   void set_dynsym_idx(Context<E> &ctx, i32 idx) const {
     assert(aux_idx != -1);
     assert(ctx.symbol_aux[aux_idx].dynsym_idx < 0);
@@ -1521,6 +1528,10 @@ public:
     return (aux_idx == -1) ? -1 : ctx.symbol_aux[aux_idx].pltgot_idx;
   }
 
+  i32 get_iplt_idx(Context<E> &ctx) const {
+    return (aux_idx == -1) ? -1 : ctx.symbol_aux[aux_idx].iplt_idx;
+  }
+
   i32 get_dynsym_idx(Context<E> &ctx) const {
     return (aux_idx == -1) ? -1 : ctx.symbol_aux[aux_idx].dynsym_idx;
   }
diff --git a/output_chunks.cc b/output_chunks.cc
index 4a341047..8ec9e65b 100644
--- a/output_chunks.cc
+++ b/output_chunks.cc
@@ -745,7 +745,13 @@ void GotPltSection<E>::copy_buf(Context<E> &ctx) {
 
 template <typename E>
 void GotIpltSection<E>::copy_buf(Context<E> &ctx) {
-  // TODO
+  typename E::word *buf = (typename E::word *)(ctx.buf + this->shdr.sh_offset);
+
+  if (E::rel_type == SHT_REL) {
+    std::span<Symbol<E> *> syms = ctx.iplt->symbols;
+    for (i64 i = 0; i < syms.size(); i++)
+      buf[i] = syms[i]->input_section->get_addr() + syms[i]->value;
+  }
 }
 
 template <typename E>
@@ -770,12 +776,27 @@ void PltSection<E>::add_symbol(Context<E> &ctx, Symbol<E> *sym) {
 
 template <typename E>
 void IpltSection<E>::add_symbol(Context<E> &ctx, Symbol<E> *sym) {
-  // TODO
+  sym->set_iplt_idx(ctx, this->shdr.sh_size / E::pltgot_size);
+  this->shdr.sh_size += E::pltgot_size;
+  symbols.push_back(sym);
+
+  ctx.gotiplt->shdr.sh_size += E::got_size;
 }
 
 template <typename E>
 void IpltSection<E>::copy_buf(Context<E> &ctx) {
-  // TODO
+  u8 *buf = ctx.buf + this->shdr.sh_offset;
+
+  static const u8 data[] = {
+    0xff, 0x25, 0, 0, 0, 0, // jmp   *foo@IGOT
+    0x66, 0x90,             // nop
+  };
+
+  for (i64 i = 0; i < symbols.size(); i++) {
+    u8 *ent = buf + i * E::pltgot_size;
+    memcpy(ent, data, sizeof(data));
+    *(u32 *)(ent + 2) = ctx.gotiplt->shdr.sh_addr + i * E::got_size - 6;
+  }
 }
 
 template <typename E>