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Rewrote image.h.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22582 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2007-10-15 23:21:01 +00:00
parent e27e4f8d51
commit c8a89db93e
1 changed files with 50 additions and 70 deletions
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headers/os/kernel/image.h
+50 -70
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@@ -1,37 +1,19 @@
/****************************************************************************** /*
/ * Copyright 2007, Haiku, Inc. All Rights Reserved.
/ File: image.h * Distributed under the terms of the MIT license.
/ */
/ Description: Kernel interface for managing executable images.
/
/ Copyright 1993-98, Be Incorporated
/
******************************************************************************/
#ifndef _IMAGE_H #ifndef _IMAGE_H
#define _IMAGE_H #define _IMAGE_H
#include <BeBuild.h>
#include <OS.h> #include <OS.h>
#include <sys/param.h> #include <sys/param.h>
#ifdef __cplusplus
extern "C" {
#endif
/*---------------------------------------------------------*/
/*----- Image types, info, and functions ------------------*/
#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"
typedef int32 image_id; typedef int32 image_id;
typedef enum { typedef enum {
B_APP_IMAGE = 1, B_APP_IMAGE = 1,
B_LIBRARY_IMAGE, B_LIBRARY_IMAGE,
B_ADD_ON_IMAGE, B_ADD_ON_IMAGE,
B_SYSTEM_IMAGE B_SYSTEM_IMAGE
@@ -53,59 +35,57 @@ typedef struct {
int32 data_size; int32 data_size;
} image_info; } image_info;
// flags for _kern_load_image() // 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 { enum {
B_WAIT_TILL_LOADED = 0x01, // Wait till the loader has loaded and relocated B_WAIT_TILL_LOADED = 0x01,
// (but not yet initialized) the application // Wait till the loader has loaded and relocated
// image and all dependencies. If not supplied, // (but not yet initialized) the application
// the function returns before the loader // image and all dependencies. If not supplied,
// started to do anything at all, i.e. it // the function returns before the loader
// returns success, even if the executable // started to do anything at all, i.e. it
// doesn't exist. // returns success, even if the executable
// doesn't exist.
}; };
extern thread_id load_image(int32 argc, const char **argv, #ifdef __cplusplus
const char **envp); extern "C" {
extern image_id load_add_on(const char *path); #endif
extern status_t unload_add_on(image_id imageID);
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);
/* private; use the macros, below */
extern status_t _get_image_info (image_id imageID,
image_info *info, size_t size);
extern status_t _get_next_image_info (team_id team, int32 *cookie,
image_info *info, size_t size);
/* use these */
#define get_image_info(image, info) \ #define get_image_info(image, info) \
_get_image_info((image), (info), sizeof(*(info))) _get_image_info((image), (info), sizeof(*(info)))
#define get_next_image_info(team, cookie, info) \ #define get_next_image_info(team, cookie, info) \
_get_next_image_info((team), (cookie), (info), sizeof(*(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);
/*----- symbol types and functions ------------------------*/ status_t _get_next_image_info (team_id team, int32 *cookie, image_info *info,
size_t size);
#define B_SYMBOL_TYPE_DATA 0x1
#define B_SYMBOL_TYPE_TEXT 0x2
#define B_SYMBOL_TYPE_ANY 0x5
extern status_t get_image_symbol(image_id imid,
const char *name, int32 sclass, void **ptr);
extern status_t get_nth_image_symbol(image_id imid, int32 index,
char *buf, int32 *bufsize, int32 *sclass,
void **ptr);
/*---------------------------------------------------------*/
/*----- cache manipulation --------------------------------*/
#define B_FLUSH_DCACHE 0x0001 /* dcache = data cache */
#define B_FLUSH_ICACHE 0x0004 /* icache = instruction cache */
#define B_INVALIDATE_DCACHE 0x0002
#define B_INVALIDATE_ICACHE 0x0008
extern void clear_caches(void *addr, size_t len, uint32 flags);
/*---------------------------------------------------------*/
#ifdef __cplusplus #ifdef __cplusplus
} }