/*
 * Copyright 2003-2008, Axel Dörfler, axeld@pinc-software.de.
 * Distributed under the terms of the MIT License.
 *
 * Copyright 2002, Manuel J. Petit. All rights reserved.
 * Distributed under the terms of the NewOS License.
 */
#ifndef RUNTIME_LOADER_H
#define RUNTIME_LOADER_H


#include <user_runtime.h>
#include <runtime_loader.h>


extern struct user_space_program_args *gProgramArgs;
extern struct rld_export gRuntimeLoader;
extern char *(*gGetEnv)(const char *name);


#ifdef __cplusplus
extern "C" {
#endif

int runtime_loader(void *arg);
int open_executable(char *name, image_type type, const char *rpath,
	const char *programPath, const char *compatibilitySubDir);
status_t test_executable(const char *path, char *interpreter);

void terminate_program(void);
image_id load_program(char const *path, void **entry);
image_id load_library(char const *path, uint32 flags, bool addOn,
	void** _handle);
status_t unload_library(void* handle, image_id imageID, bool addOn);
status_t get_nth_symbol(image_id imageID, int32 num, char *nameBuffer,
	int32 *_nameLength, int32 *_type, void **_location);
status_t get_symbol(image_id imageID, char const *symbolName, int32 symbolType,
	bool recursive, image_id *_inImage, void **_location);
status_t get_library_symbol(void* handle, void* caller, const char* symbolName,
	void **_location);
status_t get_next_image_dependency(image_id id, uint32 *cookie,
	const char **_name);
int resolve_symbol(image_t *rootImage, image_t *image, struct Elf32_Sym *sym,
	addr_t *sym_addr);


status_t elf_verify_header(void *header, int32 length);
void rldelf_init(void);
void rldexport_init(void);
status_t elf_reinit_after_fork(void);

status_t heap_init(void);

// arch dependent prototypes
status_t arch_relocate_image(image_t *rootImage, image_t *image);

#ifdef __cplusplus
}
#endif

#endif	/* RUNTIME_LOADER_H */