106 lines
2.9 KiB
C
106 lines
2.9 KiB
C
/*
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* Copyright 2007-2009, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT license.
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*/
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#ifndef _IMAGE_H
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#define _IMAGE_H
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#include <OS.h>
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#include <sys/param.h>
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typedef int32 image_id;
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typedef enum {
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B_APP_IMAGE = 1,
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B_LIBRARY_IMAGE,
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B_ADD_ON_IMAGE,
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B_SYSTEM_IMAGE
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} image_type;
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typedef struct {
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image_id id;
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image_type type;
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int32 sequence;
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int32 init_order;
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void (*init_routine)();
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void (*term_routine)();
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dev_t device;
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ino_t node;
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char name[MAXPATHLEN];
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void *text;
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void *data;
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int32 text_size;
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int32 data_size;
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/* Haiku R1 extensions */
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int32 api_version; /* the Haiku API version used by the image */
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int32 abi; /* the Haiku ABI used by the image */
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} image_info;
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/* flags for clear_caches() */
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#define B_FLUSH_DCACHE 0x0001 /* data cache */
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#define B_FLUSH_ICACHE 0x0004 /* instruction cache */
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#define B_INVALIDATE_DCACHE 0x0002
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#define B_INVALIDATE_ICACHE 0x0008
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/* symbol types */
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#define B_SYMBOL_TYPE_DATA 0x1
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#define B_SYMBOL_TYPE_TEXT 0x2
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#define B_SYMBOL_TYPE_ANY 0x5
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/* initialization/termination functions of shared objects */
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#define B_INIT_BEFORE_FUNCTION_NAME "initialize_before"
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#define B_INIT_AFTER_FUNCTION_NAME "initialize_after"
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#define B_TERM_BEFORE_FUNCTION_NAME "terminate_before"
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#define B_TERM_AFTER_FUNCTION_NAME "terminate_after"
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#define B_APP_IMAGE_SYMBOL ((void*)(addr_t)0)
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/* value that can be used instead of a pointer to a symbol in the program
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image. */
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#define B_CURRENT_IMAGE_SYMBOL ((void*)&__haiku_init_before)
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/* pointer to a symbol in the callers image */
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/* flags for _kern_load_image() (private API) */
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enum {
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B_WAIT_TILL_LOADED = 0x01,
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/* Wait till the loader has loaded and relocated (but not yet
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initialized) the application image and all dependencies. If not
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supplied, the function returns before the loader started to do
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anything at all, i.e. it returns success, even if the executable
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doesn't exist. */
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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thread_id load_image(int32 argc, const char **argv, const char **environ);
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image_id load_add_on(const char *path);
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status_t unload_add_on(image_id image);
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status_t get_image_symbol(image_id image, const char *name, int32 symbolType,
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void **_symbolLocation);
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status_t get_nth_image_symbol(image_id image, int32 n, char *nameBuffer,
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int32 *_nameLength, int32 *_symbolType, void **_symbolLocation);
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void clear_caches(void *address, size_t length, uint32 flags);
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#define get_image_info(image, info) \
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_get_image_info((image), (info), sizeof(*(info)))
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#define get_next_image_info(team, cookie, info) \
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_get_next_image_info((team), (cookie), (info), sizeof(*(info)))
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/* private, use the macros above */
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status_t _get_image_info(image_id image, image_info *info, size_t size);
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status_t _get_next_image_info(team_id team, int32 *cookie, image_info *info,
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size_t size);
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/* private */
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void __haiku_init_before(image_id id);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _IMAGE_H */
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