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Compilation.saveState implement saving wasm linker state
This commit is contained in:
Andrew Kelley
parent
9285f91ccc
commit
f89ef2f7cd
@ -3059,8 +3059,118 @@ pub fn saveState(comp: *Compilation) !void {
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//// TODO: compilation errors
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//// TODO: namespaces
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//// TODO: decls
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//// TODO: linker state
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}
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// linker state
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switch (lf.tag) {
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.wasm => {
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const wasm = lf.cast(.wasm).?;
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const is_obj = comp.config.output_mode == .Obj;
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try bufs.ensureUnusedCapacity(83);
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addBuf(&bufs, wasm.string_bytes.items);
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// TODO make it well-defined memory layout
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//addBuf(&bufs, mem.sliceAsBytes(wasm.objects.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.func_types.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_function_imports.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_function_imports.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_functions.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_global_imports.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_global_imports.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_globals.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_table_imports.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_table_imports.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_tables.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_memory_imports.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_memory_imports.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_memories.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_relocations.items(.tag)));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_relocations.items(.offset)));
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// TODO handle the union safety field
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//addBuf(&bufs, mem.sliceAsBytes(wasm.object_relocations.items(.pointee)));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_relocations.items(.addend)));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_init_funcs.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_data_segments.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_datas.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_data_imports.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_data_imports.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_custom_segments.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_custom_segments.values()));
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// TODO make it well-defined memory layout
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// addBuf(&bufs, mem.sliceAsBytes(wasm.object_comdats.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_relocations_table.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_relocations_table.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_comdat_symbols.items(.kind)));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_comdat_symbols.items(.index)));
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addBuf(&bufs, mem.sliceAsBytes(wasm.out_relocs.items(.tag)));
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addBuf(&bufs, mem.sliceAsBytes(wasm.out_relocs.items(.offset)));
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// TODO handle the union safety field
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//addBuf(&bufs, mem.sliceAsBytes(wasm.out_relocs.items(.pointee)));
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addBuf(&bufs, mem.sliceAsBytes(wasm.out_relocs.items(.addend)));
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addBuf(&bufs, mem.sliceAsBytes(wasm.uav_fixups.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.nav_fixups.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.func_table_fixups.items));
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if (is_obj) {
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addBuf(&bufs, mem.sliceAsBytes(wasm.navs_obj.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.navs_obj.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.uavs_obj.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.uavs_obj.values()));
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} else {
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addBuf(&bufs, mem.sliceAsBytes(wasm.navs_exe.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.navs_exe.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.uavs_exe.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.uavs_exe.values()));
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}
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addBuf(&bufs, mem.sliceAsBytes(wasm.overaligned_uavs.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.overaligned_uavs.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.zcu_funcs.keys()));
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// TODO handle the union safety field
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// addBuf(&bufs, mem.sliceAsBytes(wasm.zcu_funcs.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.nav_exports.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.nav_exports.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.uav_exports.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.uav_exports.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.imports.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.missing_exports.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.function_exports.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.function_exports.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.global_exports.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.functions.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.function_imports.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.function_imports.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.data_imports.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.data_imports.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.data_segments.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.globals.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.global_imports.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.global_imports.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.tables.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.table_imports.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.table_imports.values()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.zcu_indirect_function_set.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_indirect_function_import_set.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.object_indirect_function_set.keys()));
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addBuf(&bufs, mem.sliceAsBytes(wasm.mir_instructions.items(.tag)));
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// TODO handle the union safety field
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//addBuf(&bufs, mem.sliceAsBytes(wasm.mir_instructions.items(.data)));
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addBuf(&bufs, mem.sliceAsBytes(wasm.mir_extra.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.all_zcu_locals.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.tag_name_bytes.items));
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addBuf(&bufs, mem.sliceAsBytes(wasm.tag_name_offs.items));
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// TODO add as header fields
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// entry_resolution: FunctionImport.Resolution
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// function_exports_len: u32
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// global_exports_len: u32
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// functions_end_prelink: u32
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// globals_end_prelink: u32
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// error_name_table_ref_count: u32
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// tag_name_table_ref_count: u32
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// any_tls_relocs: bool
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// any_passive_inits: bool
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},
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else => log.err("TODO implement saving linker state for {s}", .{@tagName(lf.tag)}),
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}
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var basename_buf: [255]u8 = undefined;
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const basename = std.fmt.bufPrint(&basename_buf, "{s}.zcs", .{
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comp.root_name,
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@ -199,7 +199,6 @@ uav_exports: std.AutoArrayHashMapUnmanaged(UavExport, Zcu.Export.Index) = .empty
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imports: std.AutoArrayHashMapUnmanaged(InternPool.Nav.Index, void) = .empty,
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dwarf: ?Dwarf = null,
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debug_sections: DebugSections = .{},
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flush_buffer: Flush = .{},
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@ -940,19 +939,6 @@ pub const UavExport = extern struct {
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uav_index: InternPool.Index,
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};
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const DebugSections = struct {
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abbrev: DebugSection = .{},
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info: DebugSection = .{},
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line: DebugSection = .{},
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loc: DebugSection = .{},
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pubnames: DebugSection = .{},
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pubtypes: DebugSection = .{},
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ranges: DebugSection = .{},
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str: DebugSection = .{},
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};
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const DebugSection = struct {};
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pub const FunctionImport = extern struct {
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flags: SymbolFlags,
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module_name: OptionalString,
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@ -856,7 +856,7 @@ pub fn parse(
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start_function = @enumFromInt(functions_start + index);
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},
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.element => {
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log.warn("unimplemented: element section in {} {s}", .{ path, archive_member_name.? });
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log.warn("unimplemented: element section in {} {?s}", .{ path, archive_member_name });
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pos = section_end;
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},
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.code => {
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