206 lines
6.3 KiB
C
206 lines
6.3 KiB
C
#ifndef IKARUS_DATA_H
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#define IKARUS_DATA_H
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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_data 16
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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 byte_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 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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#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_system_plist 20
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#define symbol_size 24
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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_system_plist (disp_symbol_system_plist - symbol_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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#endif
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