431 lines
13 KiB
C
431 lines
13 KiB
C
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#ifndef IKARUS_H
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#define IKARUS_H
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#include <stdio.h>
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#include <sys/resource.h>
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extern int total_allocated_pages;
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extern int total_malloced;
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extern int hash_table_count;
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#define cardsize 512
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#define cards_per_page 8
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#define most_bytes_in_minor 0x10000000
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#define old_gen_mask 0x00000007
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#define new_gen_mask 0x00000008
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#define gen_mask 0x0000000F
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#define new_gen_tag 0x00000008
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#define meta_dirty_mask 0x000000F0
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#define type_mask 0x00000F00
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#define scannable_mask 0x0000F000
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#define dealloc_mask 0x000F0000
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#define large_object_mask 0x00100000
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#define meta_dirty_shift 4
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#define hole_type 0x00000000
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#define mainheap_type 0x00000100
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#define mainstack_type 0x00000200
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#define pointers_type 0x00000300
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#define dat_type 0x00000400
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#define code_type 0x00000500
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#define weak_pairs_type 0x00000600
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#define symbols_type 0x00000700
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#define scannable_tag 0x00001000
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#define unscannable_tag 0x00000000
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#define dealloc_tag_un 0x00010000
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#define dealloc_tag_at 0x00020000
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#define retain_tag 0x00000000
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#define large_object_tag 0x00100000
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#define hole_mt (hole_type | unscannable_tag | retain_tag)
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#define mainheap_mt (mainheap_type | unscannable_tag | retain_tag)
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#define mainstack_mt (mainstack_type | unscannable_tag | retain_tag)
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#define pointers_mt (pointers_type | scannable_tag | dealloc_tag_un)
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#define symbols_mt (symbols_type | scannable_tag | dealloc_tag_un)
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#define data_mt (dat_type | unscannable_tag | dealloc_tag_un)
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#define code_mt (code_type | scannable_tag | dealloc_tag_un)
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#define weak_pairs_mt (weak_pairs_type | scannable_tag | dealloc_tag_un)
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static int
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inthash(int key) {
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key += ~(key << 15);
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key ^= (key >> 10);
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key += (key << 3);
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key ^= (key >> 6);
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key += ~(key << 11);
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key ^= (key >> 16);
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return key;
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return inthash(key);
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}
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#define wordsize 4
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#define wordshift 2
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#define pagesize 4096
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#define generation_count 5 /* generations 0 (nursery), 1, 2, 3, 4 */
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typedef unsigned char* ikp;
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void ik_error(ikp args);
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typedef struct ikpage{
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ikp base;
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struct ikpage* next;
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} ikpage;
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typedef struct ikpages{
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ikp base;
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int size;
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struct ikpages* next;
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} ikpages;
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typedef struct ikdl{ /* double-link */
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struct ikdl* prev;
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struct ikdl* next;
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} ikdl;
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#define ik_ptr_page_size \
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((pagesize - sizeof(int) - sizeof(struct ik_ptr_page*))/sizeof(ikp))
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typedef struct ik_ptr_page{
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int count;
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struct ik_ptr_page* next;
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ikp ptr[ik_ptr_page_size];
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} ik_ptr_page;
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typedef struct ikpcb{
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/* the first locations may be accessed by some */
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/* compiled code to perform overflow/underflow ops */
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ikp allocation_pointer; /* offset = 0 */
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ikp allocation_redline; /* offset = 4 */
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ikp frame_pointer; /* offset = 8 */
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ikp frame_base; /* offset = 12 */
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ikp frame_redline; /* offset = 16 */
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ikp next_k; /* offset = 20 */
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void* system_stack; /* offset = 24 */
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unsigned int* dirty_vector; /* offset = 28 */
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ikp arg_list; /* offset = 32 */
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int engine_counter; /* offset = 36 */
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int interrupted; /* offset = 40 */
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ikp base_rtd; /* offset = 44 */
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ikp collect_key; /* offset = 48 */
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/* the rest are not used by any scheme code */
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/* they only support the runtime system (gc, etc.) */
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unsigned int* segment_vector;
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ikp weak_pairs_ap;
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ikp weak_pairs_ep;
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ikp heap_base;
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int heap_size;
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ikpages* heap_pages;
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ikpage* cached_pages; /* pages cached so that we don't map/unmap */
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ikpage* uncached_pages; /* ikpages cached so that we don't malloc/free */
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ikp cached_pages_base;
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int cached_pages_size;
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ikp stack_base;
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int stack_size;
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ikp symbol_table;
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ikp gensym_table;
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ik_ptr_page* guardians[generation_count];
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ik_ptr_page* guardians_dropped[generation_count];
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unsigned int* dirty_vector_base;
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unsigned int* segment_vector_base;
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unsigned char* memory_base;
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unsigned char* memory_end;
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int collection_id;
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int allocation_count_minor;
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int allocation_count_major;
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struct timeval collect_utime;
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struct timeval collect_stime;
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struct timeval collect_rtime;
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} ikpcb;
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void ikarus_usage_short(void);
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void* ik_malloc(int);
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void ik_free(void*, int);
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void* ik_mmap(int);
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void* ik_mmap_typed(int size, unsigned int type, ikpcb*);
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void* ik_mmap_ptr(int size, int gen, ikpcb*);
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void* ik_mmap_data(int size, int gen, ikpcb*);
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void* ik_mmap_code(int size, int gen, ikpcb*);
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void* ik_mmap_mixed(int size, ikpcb*);
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void ik_munmap(void*, int);
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void ik_munmap_from_segment(unsigned char*, int, ikpcb*);
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ikpcb* ik_make_pcb();
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void ik_delete_pcb(ikpcb*);
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void ik_free_symbol_table(ikpcb* pcb);
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void ik_fasl_load(ikpcb* pcb, char* filename);
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void ik_relocate_code(ikp);
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ikp ik_exec_code(ikpcb* pcb, ikp code_ptr);
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void ik_print(ikp x);
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void ik_fprint(FILE*, ikp x);
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ikp ikrt_string_to_symbol(ikp, ikpcb*);
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ikp ikrt_strings_to_gensym(ikp, ikp, ikpcb*);
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ikp ik_cstring_to_symbol(char*, ikpcb*);
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ikp ik_asm_enter(ikpcb*, ikp code_object, ikp arg);
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ikp ik_asm_reenter(ikpcb*, ikp code_object, ikp val);
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ikp ik_underflow_handler(ikpcb*);
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ikp ik_alloc(ikpcb* pcb, int size);
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#define IK_FASL_HEADER "#@IK01"
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#define IK_FASL_HEADER_LEN (strlen(IK_FASL_HEADER))
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#define IK_FASL_CODE_HEADER_SIZE 12
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#define code_pri_tag vector_tag
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#define code_tag ((ikp)0x2F)
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#define disp_code_code_size 4
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#define disp_code_reloc_vector 8
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#define disp_code_freevars 12
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#define disp_code_annotation 16
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#define disp_code_data 24
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#define off_code_annotation (disp_code_annotation - code_pri_tag)
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#define off_code_data (disp_code_data - code_pri_tag)
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#define off_code_reloc_vector (disp_code_reloc_vector - code_pri_tag)
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#define IK_ALIGN_SHIFT 3
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#define align_shift 3
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#define IK_ALIGN_SIZE 8
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#define align_size 8
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#define IK_ALIGN(n) \
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((((n) + IK_ALIGN_SIZE - 1) >> IK_ALIGN_SHIFT) << IK_ALIGN_SHIFT)
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#define align(n) \
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((((n) + align_size - 1) >> align_shift) << align_shift)
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#define IK_FX_SHIFT 2
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#define IK_FX_MASK 3
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#define fx_shift 2
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#define fx_mask 3
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#define unfix(x) (((int)(x)) >> fx_shift)
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#define fix(x) ((ikp)((x) << fx_shift))
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#define is_fixnum(x) ((((int)(x)) & fx_mask) == 0)
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#define IK_FIXNUMP(x) \
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((((int)(x)) & IK_FX_MASK) == 0)
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#define REF(x,n) \
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(((ikp*)(((char*)(x)) + ((int)(n))))[0])
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#define ref(x,n) \
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(((ikp*)(((char*)(x)) + ((int)(n))))[0])
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#define IK_MASK(x,m) (((int)(x)) & ((int)(m)))
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#define IK_PTAG(x) (((int)(x)) & 7)
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#define tagof(x) (((int)(x)) & 7)
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#define IK_STAG(x) REF(x, -IK_PTAG(x))
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#define immediate_tag 7
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#define IK_UNFIX(x) (((int)(x)) >> IK_FX_SHIFT)
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#define IK_FIX(x) ((ikp)((x) << IK_FX_SHIFT))
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#define fix(x) ((ikp)((x) << fx_shift))
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#define IK_CODE_P(x) \
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((IK_PTAG(x) == IK_CODE_PRI_TAG) && (IK_STAG(x) == IK_CODE_SEC_TAG))
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#define IK_FALSE_OBJECT ((ikp)0x2F)
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#define IK_TRUE_OBJECT ((ikp)0x3F)
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#define false_object ((ikp)0x2F)
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#define true_object ((ikp)0x3F)
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#define IK_NULL_OBJECT ((ikp)0x4F)
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#define null_object ((ikp)0x4F)
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#define void_object ((ikp)0x7F)
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#define bwp_object ((ikp)0x8F)
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#define unbound_object ((ikp)0x6F)
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#define IK_CHAR_TAG 0x0F
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#define IK_CHAR_MASK 0xFF
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#define IK_CHAR_SHIFT 8
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#define IK_CHAR_VAL(x) (((int)(x)) >> IK_CHAR_SHIFT)
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#define int_to_scheme_char(x) ((ikp)(((x) << IK_CHAR_SHIFT) | IK_CHAR_TAG))
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#define IK_PAIR_SIZE 8
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#define pair_size 8
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#define pair_tag 1
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#define disp_car 0
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#define disp_cdr 4
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#define off_car (disp_car - pair_tag)
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#define off_cdr (disp_cdr - pair_tag)
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#define IK_PAIR_TAG 1
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#define IK_DISP_CAR 0
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#define IK_DISP_CDR 4
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#define IK_OFF_CAR (IK_DISP_CAR - IK_PAIR_TAG)
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#define IK_OFF_CDR (IK_DISP_CDR - IK_PAIR_TAG)
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#define IK_HEAP_EXT_SIZE (32 * 4096)
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#define IK_PAIRP(x) (IK_PTAG(x) == IK_PAIR_TAG)
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#define IK_CHARP(x) (IK_MASK(x,IK_CHAR_MASK) == IK_CHAR_TAG)
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#define IK_STRING_TAG 6
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#define string_tag 6
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#define disp_string_length 0
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#define disp_string_data 4
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#define off_string_length (disp_string_length - string_tag)
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#define off_string_data (disp_string_data - string_tag)
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//#define string_data(x) ((char*)((x) + off_string_data))
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//#define string_set(x,i,c)
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// ((((unsigned char*)(x)) + off_string_data + (int)(i))[0] =
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// (((int)(c)) >> IK_CHAR_SHIFT))
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#define string_set(x,i,c) \
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(((ikp*)(((ikp)(x)) + off_string_data))[i] = ((ikp)(c)))
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#define integer_to_char(x) ((ikp)((((int)(x)) << IK_CHAR_SHIFT) + IK_CHAR_TAG))
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#define string_char_size 4
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#define vector_tag 5
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#define disp_vector_length 0
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#define disp_vector_data 4
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#define off_vector_data (disp_vector_data - vector_tag)
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#define off_vector_length (disp_vector_length - vector_tag)
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#if 0
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#define symbol_tag 2
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#define disp_symbol_string 0
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#define disp_symbol_ustring 4
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#define disp_symbol_value 8
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#define disp_symbol_plist 12
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#define disp_symbol_system_value 16
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#define disp_symbol_code 20
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#define disp_symbol_errcode 24
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#define disp_symbol_unused 28
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#define symbol_size 32
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#define off_symbol_string (disp_symbol_string - symbol_tag)
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#define off_symbol_ustring (disp_symbol_ustring - symbol_tag)
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#define off_symbol_value (disp_symbol_value - symbol_tag)
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#define off_symbol_plist (disp_symbol_plist - symbol_tag)
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#define off_symbol_system_value (disp_symbol_system_value - symbol_tag)
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#define off_symbol_code (disp_symbol_code - symbol_tag)
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#define off_symbol_errcode (disp_symbol_errcode - symbol_tag)
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#define off_symbol_unused (disp_symbol_unused - symbol_tag)
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#endif
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#define bytevector_tag 2
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#define disp_bytevector_length 0
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#define disp_bytevector_data 8
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#define off_bytevector_length (disp_bytevector_length - bytevector_tag)
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#define off_bytevector_data (disp_bytevector_data - bytevector_tag)
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#define symbol_record_tag ((ikp) 0x5F)
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#define disp_symbol_record_string 4
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#define disp_symbol_record_ustring 8
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#define disp_symbol_record_value 12
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#define disp_symbol_record_proc 16
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#define disp_symbol_record_plist 20
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#define symbol_record_size 24
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#define off_symbol_record_string (disp_symbol_record_string - record_tag)
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#define off_symbol_record_ustring (disp_symbol_record_ustring - record_tag)
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#define off_symbol_record_value (disp_symbol_record_value - record_tag)
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#define off_symbol_record_proc (disp_symbol_record_proc - record_tag)
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#define off_symbol_record_plist (disp_symbol_record_plist - record_tag)
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#define closure_tag 3
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#define closure_mask 7
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#define disp_closure_code 0
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#define disp_closure_data 4
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#define off_closure_code (disp_closure_code - closure_tag)
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#define off_closure_data (disp_closure_data - closure_tag)
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#define is_closure(x) ((((int)(x)) & closure_mask) == closure_tag)
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#define record_tag vector_tag
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#define disp_record_rtd 0
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#define disp_record_data 4
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#define off_record_rtd (disp_record_rtd - record_tag)
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#define off_record_data (disp_record_data - record_tag)
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#define rtd_tag record_tag
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#define disp_rtd_rtd 0
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#define disp_rtd_name 4
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#define disp_rtd_length 8
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#define disp_rtd_fields 12
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#define disp_rtd_printer 16
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#define disp_rtd_symbol 20
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#define rtd_size 24
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#define off_rtd_rtd (disp_rtd_rtd - rtd_tag)
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#define off_rtd_name (disp_rtd_name - rtd_tag)
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#define off_rtd_length (disp_rtd_length - rtd_tag)
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#define off_rtd_fields (disp_rtd_fields - rtd_tag)
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#define off_rtd_printer (disp_rtd_printer - rtd_tag)
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#define off_rtd_symbol (disp_rtd_symbol - rtd_tag)
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#define continuation_tag ((ikp)0x1F)
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#define disp_continuation_top 4
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#define disp_continuation_size 8
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#define disp_continuation_next 12
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#define continuation_size 16
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#define off_continuation_top (disp_continuation_top - vector_tag)
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#define off_continuation_size (disp_continuation_size - vector_tag)
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#define off_continuation_next (disp_continuation_next - vector_tag)
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#define pagesize 4096
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#define pageshift 12
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#define align_to_next_page(x) \
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(((pagesize - 1 + (unsigned int)(x)) >> pageshift) << pageshift)
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#define align_to_prev_page(x) \
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((((unsigned int)(x)) >> pageshift) << pageshift)
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#define disp_frame_size -17
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#define port_tag 0x3F
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#define port_mask 0x3F
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#define port_size 32
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#define disp_tcbucket_tconc 0
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#define disp_tcbucket_key 4
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#define disp_tcbucket_val 8
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#define disp_tcbucket_next 12
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#define tcbucket_size 16
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#define off_tcbucket_tconc (disp_tcbucket_tconc - vector_tag)
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#define off_tcbucket_key (disp_tcbucket_key - vector_tag)
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#define off_tcbucket_val (disp_tcbucket_val - vector_tag)
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#define off_tcbucket_next (disp_tcbucket_next - vector_tag)
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#define bignum_mask 0x7
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#define bignum_tag 0x3
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#define bignum_sign_mask 0x8
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#define bignum_sign_shift 3
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#define bignum_length_shift 4
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#define disp_bignum_data wordsize
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#define off_bignum_data (disp_bignum_data - vector_tag)
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#define flonum_tag ((ikp)0x17)
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#define flonum_size 16
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#define disp_flonum_data 8
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#define off_flonum_data (disp_flonum_data - vector_tag)
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#define flonum_data(x) (*((double*)(((ikp)(x))+off_flonum_data)))
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#define ratnum_tag ((ikp) 0x27)
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#define ratnum_size 16
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#define disp_ratnum_num 4
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#define disp_ratnum_den 8
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#define disp_ratnum_unused 12
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#define ik_eof_p(x) ((x) == ik_eof_object)
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#define page_index(x) (((unsigned int)(x)) >> pageshift)
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#endif
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