haiku/headers/os/kernel/image.h
Axel Dörfler c8a89db93e Rewrote image.h.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22582 a95241bf-73f2-0310-859d-f6bbb57e9c96
2007-10-15 23:21:01 +00:00

95 lines
2.5 KiB
C

/*
* Copyright 2007, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT license.
*/
#ifndef _IMAGE_H
#define _IMAGE_H
#include <OS.h>
#include <sys/param.h>
typedef int32 image_id;
typedef enum {
B_APP_IMAGE = 1,
B_LIBRARY_IMAGE,
B_ADD_ON_IMAGE,
B_SYSTEM_IMAGE
} image_type;
typedef struct {
image_id id;
image_type type;
int32 sequence;
int32 init_order;
void (*init_routine)();
void (*term_routine)();
dev_t device;
ino_t node;
char name[MAXPATHLEN];
void *text;
void *data;
int32 text_size;
int32 data_size;
} image_info;
// flags for clear_caches()
#define B_FLUSH_DCACHE 0x0001 /* data cache */
#define B_FLUSH_ICACHE 0x0004 /* instruction cache */
#define B_INVALIDATE_DCACHE 0x0002
#define B_INVALIDATE_ICACHE 0x0008
// symbol types
#define B_SYMBOL_TYPE_DATA 0x1
#define B_SYMBOL_TYPE_TEXT 0x2
#define B_SYMBOL_TYPE_ANY 0x5
// initialization/termination functions of shared objects
#define B_INIT_BEFORE_FUNCTION_NAME "initialize_before"
#define B_INIT_AFTER_FUNCTION_NAME "initialize_after"
#define B_TERM_BEFORE_FUNCTION_NAME "terminate_before"
#define B_TERM_AFTER_FUNCTION_NAME "terminate_after"
// flags for _kern_load_image() (private API)
enum {
B_WAIT_TILL_LOADED = 0x01,
// Wait till the loader has loaded and relocated
// (but not yet initialized) the application
// image and all dependencies. If not supplied,
// the function returns before the loader
// started to do anything at all, i.e. it
// returns success, even if the executable
// doesn't exist.
};
#ifdef __cplusplus
extern "C" {
#endif
thread_id load_image(int32 argc, const char **argv, const char **environ);
image_id load_add_on(const char *path);
status_t unload_add_on(image_id image);
status_t get_image_symbol(image_id image, const char *name, int32 symbolType,
void **_symbolLocation);
status_t get_nth_image_symbol(image_id image, int32 n, char *nameBuffer,
int32 *_nameLength, int32 *_symbolType, void **_symbolLocation);
void clear_caches(void *address, size_t length, uint32 flags);
#define get_image_info(image, info) \
_get_image_info((image), (info), sizeof(*(info)))
#define get_next_image_info(team, cookie, info) \
_get_next_image_info((team), (cookie), (info), sizeof(*(info)))
/* private, use the macros above */
status_t _get_image_info (image_id image, image_info *info, size_t size);
status_t _get_next_image_info (team_id team, int32 *cookie, image_info *info,
size_t size);
#ifdef __cplusplus
}
#endif
#endif /* _IMAGE_H */