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delay import fix

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This commit is contained in:
Nikita Smith
2025-05-27 15:02:28 -07:00
committed by Ryan Fleury
parent dcc4f38709
commit d51fe49bab
1 changed files with 4 additions and 7 deletions
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src/pe/pe_make_import_table.c
+4 -7
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@@ -390,9 +390,10 @@ pe_make_import_dll_obj_delayed(Arena *arena, COFF_TimeStamp time_stamp, COFF_Mac
COFF_ObjSymbol *load_thunk_symbol = 0;
if (import_header.type == COFF_ImportHeader_Code) {
switch (machine) {
case COFF_MachineType_Unknown: {} break;
case COFF_MachineType_X64: {
String8 iat_symbol_name = push_str8f(obj_writer->arena, "__imp_%S", import_header.func_name);
coff_obj_writer_push_symbol_undef(obj_writer, iat_symbol_name);
coff_obj_writer_push_symbol_extern(obj_writer, iat_symbol_name, iat_sect->data.total_size, iat_sect);
// emit jmp thunk
jmp_thunk_symbol = pe_make_indirect_jump_thunk_x64(obj_writer, code_sect, iat_symbol, import_header.func_name);
@@ -411,10 +412,6 @@ pe_make_import_dll_obj_delayed(Arena *arena, COFF_TimeStamp time_stamp, COFF_Mac
str8_list_push(obj_writer->arena, &ilt_sect->data, ordinal_data);
str8_list_push(obj_writer->arena, &iat_sect->data, ordinal_data);
String8 iat_symbol_name = push_str8f(obj_writer->arena, "__imp_%S", import_header.func_name);
iat_symbol = coff_obj_writer_push_symbol_extern(obj_writer, iat_symbol_name, iat_offset, iat_sect);
if (emit_biat) {
U64 import_size = coff_word_size_from_machine(machine);
U64 biat_offset = biat_sect->data.total_size;
@@ -448,11 +445,11 @@ pe_make_import_dll_obj_delayed(Arena *arena, COFF_TimeStamp time_stamp, COFF_Mac
coff_obj_writer_section_push_reloc_voff(obj_writer, ilt_sect, ilt_data_offset, int_symbol);
// in the file IAT mirrors ILT, dynamic linker later overwrites it with imported function addresses.
U64 iat_data_offset = iat_sect->data.total_size;
U64 iat_offset = iat_sect->data.total_size;
str8_list_push(obj_writer->arena, &iat_sect->data, str8(0, import_size));
// patch-in thunk address
coff_obj_writer_section_push_reloc_addr(obj_writer, iat_sect, iat_data_offset, load_thunk_symbol);
coff_obj_writer_section_push_reloc_addr(obj_writer, iat_sect, iat_offset, load_thunk_symbol);
if (emit_biat) {
U64 biat_data_offset = biat_sect->data.total_size;