mirror of
https://github.com/darlinghq/darling-objc4.git
synced 2025-03-01 02:38:05 +00:00
99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
#define WIN32_LEAN_AND_MEAN
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#include <stdio.h>
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#include <windows.h>
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#include <stdlib.h>
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#include "objcrt.h"
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// Boundary symbols for metadata sections
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#pragma section(".objc_module_info$A",long,read,write)
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#pragma data_seg(".objc_module_info$A")
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static uintptr_t __objc_modStart = 0;
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#pragma section(".objc_module_info$C",long,read,write)
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#pragma data_seg(".objc_module_info$C")
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static uintptr_t __objc_modEnd = 0;
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#pragma section(".objc_protocol$A",long,read,write)
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#pragma data_seg(".objc_protocol$A")
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static uintptr_t __objc_protoStart = 0;
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#pragma section(".objc_protocol$C",long,read,write)
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#pragma data_seg(".objc_protocol$C")
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static uintptr_t __objc_protoEnd = 0;
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#pragma section(".objc_image_info$A",long,read,write)
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#pragma data_seg(".objc_image_info$A")
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static uintptr_t __objc_iiStart = 0;
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#pragma section(".objc_image_info$C",long,read,write)
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#pragma data_seg(".objc_image_info$C")
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static uintptr_t __objc_iiEnd = 0;
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#pragma section(".objc_message_refs$A",long,read,write)
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#pragma data_seg(".objc_message_refs$A")
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static uintptr_t __objc_selrefsStart = 0;
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#pragma section(".objc_message_refs$C",long,read,write)
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#pragma data_seg(".objc_message_refs$C")
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static uintptr_t __objc_selrefsEnd = 0;
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#pragma section(".objc_class_refs$A",long,read,write)
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#pragma data_seg(".objc_class_refs$A")
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static uintptr_t __objc_clsrefsStart = 0;
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#pragma section(".objc_class_refs$C",long,read,write)
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#pragma data_seg(".objc_class_refs$C")
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static uintptr_t __objc_clsrefsEnd = 0;
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#pragma data_seg()
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// Merge all metadata into .data
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// fixme order these by usage?
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#pragma comment(linker, "/MERGE:.objc_module_info=.data")
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#pragma comment(linker, "/MERGE:.objc_protocol=.data")
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#pragma comment(linker, "/MERGE:.objc_image_info=.data")
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#pragma comment(linker, "/MERGE:.objc_message_refs=.data")
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#pragma comment(linker, "/MERGE:.objc_class_refs=.data")
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// Image initializers
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static void *__hinfo = NULL; // cookie from runtime
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extern IMAGE_DOS_HEADER __ImageBase; // this image's header
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static int __objc_init(void)
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{
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objc_sections sections = {
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5,
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&__objc_modStart, &__objc_modEnd,
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&__objc_protoStart, &__objc_protoEnd,
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&__objc_iiStart, &__objc_iiEnd,
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&__objc_selrefsStart, &__objc_selrefsEnd,
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&__objc_clsrefsStart, &__objc_clsrefsEnd,
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};
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__hinfo = _objc_init_image((HMODULE)&__ImageBase, §ions);
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return 0;
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}
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static void __objc_unload(void)
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{
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_objc_unload_image((HMODULE)&__ImageBase, __hinfo);
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}
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static int __objc_load(void)
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{
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_objc_load_image((HMODULE)&__ImageBase, __hinfo);
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return 0;
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}
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// run _objc_init_image ASAP
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#pragma section(".CRT$XIAA",long,read,write)
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#pragma data_seg(".CRT$XIAA")
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static void *__objc_init_fn = &__objc_init;
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// run _objc_load_image (+load methods) after all other initializers;
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// otherwise constant NSStrings are not initialized yet
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#pragma section(".CRT$XCUO",long,read,write)
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#pragma data_seg(".CRT$XCUO")
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static void *__objc_load_fn = &__objc_load;
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// _objc_unload_image is called by atexit(), not by an image terminator
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#pragma data_seg()
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