factor/vm/image.h

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#define IMAGE_MAGIC 0x0f0e0d0c
#define IMAGE_VERSION 2
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typedef struct {
CELL magic;
CELL version;
/* all pointers in the image file are relocated from
relocation_base to here when the image is loaded */
CELL data_relocation_base;
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/* tagged pointer to bootstrap quotation */
CELL boot;
/* tagged pointer to global namespace */
CELL global;
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/* tagged pointer to t singleton */
CELL t;
/* tagged pointer to bignum 0 */
CELL bignum_zero;
/* tagged pointer to bignum 1 */
CELL bignum_pos_one;
/* tagged pointer to bignum -1 */
CELL bignum_neg_one;
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/* size of heap */
CELL data_size;
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/* size of code heap */
CELL code_size;
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/* code relocation base */
CELL code_relocation_base;
} HEADER;
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void init_objects(HEADER *h);
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 */
CELL data_relocation_base;
INLINE void data_fixup(CELL *cell)
{
if(TAG(*cell) != FIXNUM_TYPE && *cell != F)
*cell += (tenured.base - data_relocation_base);
}
CELL code_relocation_base;
INLINE void code_fixup(CELL *cell)
{
*cell += (compiling.base - code_relocation_base);
}
void relocate_data();
void relocate_code();