53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
#define IMAGE_MAGIC 0x0f0e0d0c
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#define IMAGE_VERSION 2
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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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/* tagged pointer to bootstrap quotation */
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CELL boot;
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/* tagged pointer to global namespace */
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CELL global;
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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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/* size of heap */
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CELL data_size;
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/* size of code heap */
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CELL code_size;
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/* code relocation base */
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CELL code_relocation_base;
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} HEADER;
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void init_objects(HEADER *h);
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void load_image(const char* file);
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bool save_image(const char* file);
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void primitive_save_image(void);
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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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INLINE void data_fixup(CELL *cell)
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{
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if(TAG(*cell) != FIXNUM_TYPE && *cell != F)
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*cell += (tenured.base - data_relocation_base);
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}
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CELL code_relocation_base;
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INLINE void code_fixup(CELL *cell)
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{
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*cell += (compiling.base - code_relocation_base);
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}
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void relocate_data();
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void relocate_code();
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