user: implement mlibc as the libc, finally.

It's finally done.. Signed-off-by: kaguya <vpshinomiya@protonmail.com>
2026-05-02 03:31:49 -04:00
parent 2fa39ad85a
commit 9a9b91c940
2387 changed files with 152741 additions and 315 deletions
@@ -0,0 +1,96 @@
+
+#ifndef _DLFCN_H
+#define _DLFCN_H
+
+#include <mlibc-config.h>
+
+#define RTLD_LOCAL 0
+#define RTLD_LAZY 1
+#define RTLD_NOW 2
+#define RTLD_NOLOAD 4
+#define RTLD_DEEPBIND 8
+#define RTLD_GLOBAL 256
+#define RTLD_NODELETE 4096
+
+#define RTLD_NEXT ((void *)-1)
+#define RTLD_DEFAULT ((void *)0)
+
+#define RTLD_DL_SYMENT 1
+#define RTLD_DL_LINKMAP 2
+
+#define RTLD_DI_LINKMAP 2
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int dlclose(void *__handle);
+char *dlerror(void);
+void *dlopen(const char *__name, int __flags);
+void *dlsym(void *__restrict __handle, const char *__restrict __name);
+void *dlvsym(void *__restrict __handle, const char *__restrict __name, const char *__restrict __version);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#if defined(_GNU_SOURCE) && __MLIBC_GLIBC_OPTION
+
+/*gnu extension */
+typedef struct {
+	const char *dli_fname;
+	void *dli_fbase;
+	const char *dli_sname;
+	void *dli_saddr;
+} Dl_info;
+
+#if defined(__i386__)
+#define DLFO_STRUCT_HAS_EH_DBASE 1
+#define DLFO_STRUCT_HAS_EH_COUNT 0
+#define DLFO_EH_SEGMENT_TYPE PT_GNU_EH_FRAME
+#elif defined(__arm__)
+#define DLFO_STRUCT_HAS_EH_DBASE 0
+#define DLFO_STRUCT_HAS_EH_COUNT 1
+#define DLFO_EH_SEGMENT_TYPE PT_ARM_EXIDX
+#else
+#define DLFO_STRUCT_HAS_EH_DBASE 0
+#define DLFO_STRUCT_HAS_EH_COUNT 0
+#define DLFO_EH_SEGMENT_TYPE PT_GNU_EH_FRAME
+#endif
+
+struct dl_find_object {
+	unsigned long long dlfo_flags;
+	void *dlfo_map_start;
+	void *dlfo_map_end;
+	struct link_map *dlfo_link_map;
+	void *dlfo_eh_frame;
+#if DLFO_STRUCT_HAS_EH_DBASE
+	void *dlfo_eh_dbase;
+#if __INTPTR_WIDTH__ == 32
+	unsigned int __unused0;
+#endif
+#endif
+#if DLFO_STRUCT_HAS_EH_COUNT
+	int dlfo_eh_count;
+	unsigned int __unused1;
+#endif
+	unsigned long long __dlfo_unused[7];
+};
+
+#ifndef __MLIBC_ABI_ONLY
+
+int dladdr(const void *__ptr, Dl_info *__out);
+int dladdr1(const void *__ptr, Dl_info *__out, void **__extra, int __flags);
+int dlinfo(void *__restrict __handle, int __request, void *__restrict __info);
+int _dl_find_object(void *__address, struct dl_find_object *__result);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#endif /* defined(_GNU_SOURCE) && __MLIBC_GLIBC_OPTION */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _DLFCN_H */
+