115 lines
3.3 KiB
C
115 lines
3.3 KiB
C
/******************************************************************************
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/
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/ File: image.h
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/
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/ Description: Kernel interface for managing executable images.
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/
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/ Copyright 1993-98, Be Incorporated
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/
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******************************************************************************/
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#ifndef _IMAGE_H
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#define _IMAGE_H
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#include <BeBuild.h>
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#include <OS.h>
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#include <sys/param.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*---------------------------------------------------------*/
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/*----- Image types, info, and functions ------------------*/
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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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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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} image_info;
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// flags for _kern_load_image()
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enum {
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B_WAIT_TILL_LOADED = 0x01, // Wait till the loader has loaded and relocated
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// (but not yet initialized) the application
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// image and all dependencies. If not supplied,
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// the function returns before the loader
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// started to do anything at all, i.e. it
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// returns success, even if the executable
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// doesn't exist.
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};
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extern _IMPEXP_ROOT thread_id load_image(int32 argc, const char **argv,
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const char **envp);
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extern _IMPEXP_ROOT image_id load_add_on(const char *path);
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extern _IMPEXP_ROOT status_t unload_add_on(image_id imageID);
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/* private; use the macros, below */
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extern _IMPEXP_ROOT status_t _get_image_info (image_id imageID,
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image_info *info, size_t size);
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extern _IMPEXP_ROOT status_t _get_next_image_info (team_id team, int32 *cookie,
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image_info *info, size_t size);
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/* use these */
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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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/*---------------------------------------------------------*/
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/*----- symbol types and functions ------------------------*/
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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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extern _IMPEXP_ROOT status_t get_image_symbol(image_id imid,
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const char *name, int32 sclass, void **ptr);
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extern _IMPEXP_ROOT status_t get_nth_image_symbol(image_id imid, int32 index,
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char *buf, int32 *bufsize, int32 *sclass,
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void **ptr);
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/*---------------------------------------------------------*/
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/*----- cache manipulation --------------------------------*/
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#define B_FLUSH_DCACHE 0x0001 /* dcache = data cache */
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#define B_FLUSH_ICACHE 0x0004 /* icache = instruction cache */
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#define B_INVALIDATE_DCACHE 0x0002
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#define B_INVALIDATE_ICACHE 0x0008
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extern _IMPEXP_ROOT void clear_caches(void *addr, size_t len, uint32 flags);
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/*---------------------------------------------------------*/
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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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