68 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
			
		
		
	
	
			68 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
| #define IMAGE_MAGIC 0x0f0e0d0c
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| #define IMAGE_VERSION 4
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| 
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| typedef struct {
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| 	CELL magic;
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| 	CELL version;
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| 	/* all pointers in the image file are relocated from
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| 	   relocation_base to here when the image is loaded */
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| 	CELL data_relocation_base;
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| 	/* size of heap */
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| 	CELL data_size;
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| 	/* code relocation base */
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| 	CELL code_relocation_base;
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| 	/* size of code heap */
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| 	CELL code_size;
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| 	/* tagged pointer to t singleton */
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| 	CELL t;
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| 	/* tagged pointer to bignum 0 */
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| 	CELL bignum_zero;
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| 	/* tagged pointer to bignum 1 */
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| 	CELL bignum_pos_one;
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| 	/* tagged pointer to bignum -1 */
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| 	CELL bignum_neg_one;
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| 	/* Initial user environment */
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| 	CELL userenv[USER_ENV];
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| } F_HEADER;
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| 
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| typedef struct {
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| 	const F_CHAR* image;
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| 	CELL ds_size, rs_size;
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| 	CELL gen_count, young_size, aging_size, tenured_size;
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| 	CELL code_size;
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| 	bool secure_gc;
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| 	bool fep;
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| 	bool console;
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| 	bool stack_traces;
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| } F_PARAMETERS;
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| 
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| void load_image(F_PARAMETERS *p);
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| void init_objects(F_HEADER *h);
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| bool save_image(const F_CHAR *file);
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| 
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| void primitive_save_image(void);
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| void primitive_save_image_and_exit(void);
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| 
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| /* relocation base of currently loaded image's data heap */
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| CELL data_relocation_base;
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| 
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| INLINE void data_fixup(CELL *cell)
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| {
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| 	if(immediate_p(*cell))
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| 		return;
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| 
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| 	F_ZONE *tenured = &data_heap->generations[TENURED];
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| 	*cell += (tenured->start - data_relocation_base);
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| }
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| 
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| CELL code_relocation_base;
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| 
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| INLINE void code_fixup(CELL cell)
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| {
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| 	CELL value = get(cell);
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| 	put(cell,value + (code_heap.segment->start - code_relocation_base));
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| }
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| 
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| void relocate_data();
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| void relocate_code();
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