#ifndef IKARUS_DATA_H #define IKARUS_DATA_H #define IK_FASL_HEADER "#@IK01" #define IK_FASL_HEADER_LEN (strlen(IK_FASL_HEADER)) #define IK_FASL_CODE_HEADER_SIZE 12 #define code_pri_tag vector_tag #define code_tag ((ikp)0x2F) #define disp_code_code_size 4 #define disp_code_reloc_vector 8 #define disp_code_freevars 12 #define disp_code_data 16 #define off_code_data (disp_code_data - code_pri_tag) #define off_code_reloc_vector (disp_code_reloc_vector - code_pri_tag) #define IK_ALIGN_SHIFT 3 #define align_shift 3 #define IK_ALIGN_SIZE 8 #define align_size 8 #define IK_ALIGN(n) \ ((((n) + IK_ALIGN_SIZE - 1) >> IK_ALIGN_SHIFT) << IK_ALIGN_SHIFT) #define align(n) \ ((((n) + align_size - 1) >> align_shift) << align_shift) #define IK_FX_SHIFT 2 #define IK_FX_MASK 3 #define fx_shift 2 #define fx_mask 3 #define unfix(x) (((int)(x)) >> fx_shift) #define fix(x) ((ikp)((x) << fx_shift)) #define is_fixnum(x) ((((int)(x)) & fx_mask) == 0) #define IK_FIXNUMP(x) \ ((((int)(x)) & IK_FX_MASK) == 0) #define REF(x,n) \ (((ikp*)(((char*)(x)) + ((int)(n))))[0]) #define ref(x,n) \ (((ikp*)(((char*)(x)) + ((int)(n))))[0]) #define IK_MASK(x,m) (((int)(x)) & ((int)(m))) #define IK_PTAG(x) (((int)(x)) & 7) #define tagof(x) (((int)(x)) & 7) #define IK_STAG(x) REF(x, -IK_PTAG(x)) #define immediate_tag 7 #define IK_UNFIX(x) (((int)(x)) >> IK_FX_SHIFT) #define IK_FIX(x) ((ikp)((x) << IK_FX_SHIFT)) #define fix(x) ((ikp)((x) << fx_shift)) #define IK_CODE_P(x) \ ((IK_PTAG(x) == IK_CODE_PRI_TAG) && (IK_STAG(x) == IK_CODE_SEC_TAG)) #define IK_FALSE_OBJECT ((ikp)0x2F) #define IK_TRUE_OBJECT ((ikp)0x3F) #define false_object ((ikp)0x2F) #define true_object ((ikp)0x3F) #define IK_NULL_OBJECT ((ikp)0x4F) #define null_object ((ikp)0x4F) #define void_object ((ikp)0x7F) #define bwp_object ((ikp)0x8F) #define unbound_object ((ikp)0x6F) #define IK_CHAR_TAG 0x0F #define IK_CHAR_MASK 0xFF #define IK_CHAR_SHIFT 8 #define IK_CHAR_VAL(x) (((int)(x)) >> IK_CHAR_SHIFT) #define byte_to_scheme_char(x) ((ikp)(((x) << IK_CHAR_SHIFT) | IK_CHAR_TAG)) #define IK_PAIR_SIZE 8 #define pair_size 8 #define pair_tag 1 #define disp_car 0 #define disp_cdr 4 #define off_car (disp_car - pair_tag) #define off_cdr (disp_cdr - pair_tag) #define IK_PAIR_TAG 1 #define IK_DISP_CAR 0 #define IK_DISP_CDR 4 #define IK_OFF_CAR (IK_DISP_CAR - IK_PAIR_TAG) #define IK_OFF_CDR (IK_DISP_CDR - IK_PAIR_TAG) #define IK_HEAP_EXT_SIZE (32 * 4096) #define IK_PAIRP(x) (IK_PTAG(x) == IK_PAIR_TAG) #define IK_CHARP(x) (IK_MASK(x,IK_CHAR_MASK) == IK_CHAR_TAG) #define IK_STRING_TAG 6 #define string_tag 6 #define disp_string_length 0 #define disp_string_data 4 #define off_string_length (disp_string_length - string_tag) #define off_string_data (disp_string_data - string_tag) #define string_data(x) ((char*)((x) + off_string_data)) #define vector_tag 5 #define disp_vector_length 0 #define disp_vector_data 4 #define off_vector_data (disp_vector_data - vector_tag) #define off_vector_length (disp_vector_length - vector_tag) #define symbol_tag 2 #define disp_symbol_string 0 #define disp_symbol_ustring 4 #define disp_symbol_value 8 #define disp_symbol_plist 12 #define disp_symbol_system_value 16 #define disp_symbol_code 20 #define disp_symbol_errcode 24 #define disp_symbol_unused 28 #define symbol_size 32 #define off_symbol_string (disp_symbol_string - symbol_tag) #define off_symbol_ustring (disp_symbol_ustring - symbol_tag) #define off_symbol_value (disp_symbol_value - symbol_tag) #define off_symbol_plist (disp_symbol_plist - symbol_tag) #define off_symbol_system_value (disp_symbol_system_value - symbol_tag) #define off_symbol_code (disp_symbol_code - symbol_tag) #define off_symbol_errcode (disp_symbol_errcode - symbol_tag) #define off_symbol_unused (disp_symbol_unused - symbol_tag) #define closure_tag 3 #define closure_mask 7 #define disp_closure_code 0 #define disp_closure_data 4 #define off_closure_code (disp_closure_code - closure_tag) #define off_closure_data (disp_closure_data - closure_tag) #define is_closure(x) ((((int)(x)) & closure_mask) == closure_tag) #define record_tag vector_tag #define disp_record_rtd 0 #define disp_record_data 4 #define off_record_rtd (disp_record_rtd - record_tag) #define off_record_data (disp_record_data - record_tag) #define rtd_tag record_tag #define disp_rtd_rtd 0 #define disp_rtd_name 4 #define disp_rtd_length 8 #define disp_rtd_fields 12 #define disp_rtd_printer 16 #define disp_rtd_symbol 20 #define rtd_size 24 #define off_rtd_rtd (disp_rtd_rtd - rtd_tag) #define off_rtd_name (disp_rtd_name - rtd_tag) #define off_rtd_length (disp_rtd_length - rtd_tag) #define off_rtd_fields (disp_rtd_fields - rtd_tag) #define off_rtd_printer (disp_rtd_printer - rtd_tag) #define off_rtd_symbol (disp_rtd_symbol - rtd_tag) #define continuation_tag ((ikp)0x1F) #define disp_continuation_top 4 #define disp_continuation_size 8 #define disp_continuation_next 12 #define continuation_size 16 #define off_continuation_top (disp_continuation_top - vector_tag) #define off_continuation_size (disp_continuation_size - vector_tag) #define off_continuation_next (disp_continuation_next - vector_tag) #define pagesize 4096 #define pageshift 12 #define align_to_next_page(x) \ (((pagesize - 1 + (unsigned int)(x)) >> pageshift) << pageshift) #define align_to_prev_page(x) \ ((((unsigned int)(x)) >> pageshift) << pageshift) #define disp_frame_size -17 #define port_tag 0x3F #define port_mask 0x3F #define port_size 32 #define disp_tcbucket_tconc 0 #define disp_tcbucket_key 4 #define disp_tcbucket_val 8 #define disp_tcbucket_next 12 #define tcbucket_size 16 #define off_tcbucket_tconc (disp_tcbucket_tconc - vector_tag) #define off_tcbucket_key (disp_tcbucket_key - vector_tag) #define off_tcbucket_val (disp_tcbucket_val - vector_tag) #define off_tcbucket_next (disp_tcbucket_next - vector_tag) #define bignum_mask 0x7 #define bignum_tag 0x3 #define bignum_sign_mask 0x8 #define bignum_sign_shift 3 #define bignum_length_shift 4 #define disp_bignum_data wordsize #define off_bignum_data (disp_bignum_data - vector_tag) #define flonum_tag ((ikp)0x17) #define flonum_size 16 #define disp_flonum_data 8 #define off_flonum_data (disp_flonum_data - vector_tag) #define flonum_data(x) (*((double*)(((ikp)(x))+off_flonum_data))) #endif