326 lines
6.6 KiB
NASM
326 lines
6.6 KiB
NASM
.text 0x00400000
|
|
.globl main
|
|
la $28, _heap_
|
|
la $4, _true
|
|
# was: la _true_addr, _true
|
|
ori $3, $0, 4
|
|
# was: ori _true_init, $0, 4
|
|
sw $3, 0($4)
|
|
# was: sw _true_init, 0(_true_addr)
|
|
la $3, _false
|
|
# was: la _false_addr, _false
|
|
ori $4, $0, 5
|
|
# was: ori _false_init, $0, 5
|
|
sw $4, 0($3)
|
|
# was: sw _false_init, 0(_false_addr)
|
|
jal main
|
|
_stop_:
|
|
ori $2, $0, 10
|
|
syscall
|
|
# Function main
|
|
main:
|
|
sw $31, -4($29)
|
|
sw $20, -24($29)
|
|
sw $19, -20($29)
|
|
sw $18, -16($29)
|
|
sw $17, -12($29)
|
|
sw $16, -8($29)
|
|
addi $29, $29, -28
|
|
jal getint
|
|
# was: jal getint, $2
|
|
# ori _letBind_2_,$2,0
|
|
ori $3, $2, 0
|
|
# was: ori _size_reg_4_, _letBind_2_, 0
|
|
bgez $3, _safe_lab_5_
|
|
# was: bgez _size_reg_4_, _safe_lab_5_
|
|
ori $5, $0, 6
|
|
# was: ori $5, $0, 6
|
|
la $6, _Msg_IllegalArraySize_
|
|
# was: la $6, _Msg_IllegalArraySize_
|
|
j _RuntimeError_
|
|
_safe_lab_5_:
|
|
ori $6, $28, 0
|
|
# was: ori _letBind_3_, $28, 0
|
|
sll $2, $3, 2
|
|
# was: sll _tmp_11_, _size_reg_4_, 2
|
|
addi $2, $2, 4
|
|
# was: addi _tmp_11_, _tmp_11_, 4
|
|
add $28, $28, $2
|
|
# was: add $28, $28, _tmp_11_
|
|
sw $3, 0($6)
|
|
# was: sw _size_reg_4_, 0(_letBind_3_)
|
|
addi $5, $6, 4
|
|
# was: addi _addr_reg_6_, _letBind_3_, 4
|
|
ori $4, $0, 0
|
|
# was: ori _i_reg_7_, $0, 0
|
|
_loop_beg_8_:
|
|
sub $2, $4, $3
|
|
# was: sub _tmp_reg_10_, _i_reg_7_, _size_reg_4_
|
|
bgez $2, _loop_end_9_
|
|
# was: bgez _tmp_reg_10_, _loop_end_9_
|
|
sw $4, 0($5)
|
|
# was: sw _i_reg_7_, 0(_addr_reg_6_)
|
|
addi $5, $5, 4
|
|
# was: addi _addr_reg_6_, _addr_reg_6_, 4
|
|
addi $4, $4, 1
|
|
# was: addi _i_reg_7_, _i_reg_7_, 1
|
|
j _loop_beg_8_
|
|
_loop_end_9_:
|
|
# ori _arr_reg_14_,_letBind_3_,0
|
|
lw $2, 0($6)
|
|
# was: lw _size_reg_13_, 0(_arr_reg_14_)
|
|
ori $3, $28, 0
|
|
# was: ori _letBind_12_, $28, 0
|
|
sll $4, $2, 2
|
|
# was: sll _tmp_25_, _size_reg_13_, 2
|
|
addi $4, $4, 4
|
|
# was: addi _tmp_25_, _tmp_25_, 4
|
|
add $28, $28, $4
|
|
# was: add $28, $28, _tmp_25_
|
|
sw $2, 0($3)
|
|
# was: sw _size_reg_13_, 0(_letBind_12_)
|
|
addi $5, $3, 4
|
|
# was: addi _addr_reg_17_, _letBind_12_, 4
|
|
ori $4, $0, 0
|
|
# was: ori _i_reg_18_, $0, 0
|
|
addi $6, $6, 4
|
|
# was: addi _elem_reg_15_, _arr_reg_14_, 4
|
|
_loop_beg_19_:
|
|
sub $7, $4, $2
|
|
# was: sub _tmp_reg_21_, _i_reg_18_, _size_reg_13_
|
|
bgez $7, _loop_end_20_
|
|
# was: bgez _tmp_reg_21_, _loop_end_20_
|
|
lw $7, 0($6)
|
|
# was: lw _res_reg_16_, 0(_elem_reg_15_)
|
|
addi $6, $6, 4
|
|
# was: addi _elem_reg_15_, _elem_reg_15_, 4
|
|
ori $8, $7, 0
|
|
# was: ori _plus_L_23_, _res_reg_16_, 0
|
|
ori $7, $0, 100
|
|
# was: ori _plus_R_24_, $0, 100
|
|
add $7, $8, $7
|
|
# was: add _fun_arg_res_22_, _plus_L_23_, _plus_R_24_
|
|
# ori _res_reg_16_,_fun_arg_res_22_,0
|
|
sw $7, 0($5)
|
|
# was: sw _res_reg_16_, 0(_addr_reg_17_)
|
|
addi $5, $5, 4
|
|
# was: addi _addr_reg_17_, _addr_reg_17_, 4
|
|
addi $4, $4, 1
|
|
# was: addi _i_reg_18_, _i_reg_18_, 1
|
|
j _loop_beg_19_
|
|
_loop_end_20_:
|
|
# ori _arr_reg_28_,_letBind_12_,0
|
|
lw $17, 0($3)
|
|
# was: lw _size_reg_27_, 0(_arr_reg_28_)
|
|
ori $16, $28, 0
|
|
# was: ori _letBind_26_, $28, 0
|
|
addi $2, $17, 3
|
|
# was: addi _tmp_37_, _size_reg_27_, 3
|
|
sra $2, $2, 2
|
|
# was: sra _tmp_37_, _tmp_37_, 2
|
|
sll $2, $2, 2
|
|
# was: sll _tmp_37_, _tmp_37_, 2
|
|
addi $2, $2, 4
|
|
# was: addi _tmp_37_, _tmp_37_, 4
|
|
add $28, $28, $2
|
|
# was: add $28, $28, _tmp_37_
|
|
sw $17, 0($16)
|
|
# was: sw _size_reg_27_, 0(_letBind_26_)
|
|
addi $19, $16, 4
|
|
# was: addi _addr_reg_31_, _letBind_26_, 4
|
|
ori $18, $0, 0
|
|
# was: ori _i_reg_32_, $0, 0
|
|
addi $20, $3, 4
|
|
# was: addi _elem_reg_29_, _arr_reg_28_, 4
|
|
_loop_beg_33_:
|
|
sub $2, $18, $17
|
|
# was: sub _tmp_reg_35_, _i_reg_32_, _size_reg_27_
|
|
bgez $2, _loop_end_34_
|
|
# was: bgez _tmp_reg_35_, _loop_end_34_
|
|
lw $2, 0($20)
|
|
# was: lw _res_reg_30_, 0(_elem_reg_29_)
|
|
addi $20, $20, 4
|
|
# was: addi _elem_reg_29_, _elem_reg_29_, 4
|
|
# ori $2,_res_reg_30_,0
|
|
jal chr
|
|
# was: jal chr, $2
|
|
# ori _tmp_reg_36_,$2,0
|
|
# ori _res_reg_30_,_tmp_reg_36_,0
|
|
sb $2, 0($19)
|
|
# was: sb _res_reg_30_, 0(_addr_reg_31_)
|
|
addi $19, $19, 1
|
|
# was: addi _addr_reg_31_, _addr_reg_31_, 1
|
|
addi $18, $18, 1
|
|
# was: addi _i_reg_32_, _i_reg_32_, 1
|
|
j _loop_beg_33_
|
|
_loop_end_34_:
|
|
ori $2, $0, 1
|
|
# was: ori _arr_ind_41_, $0, 1
|
|
addi $3, $16, 4
|
|
# was: addi _arr_reg_42_, _letBind_26_, 4
|
|
lw $4, 0($16)
|
|
# was: lw _size_reg_43_, 0(_letBind_26_)
|
|
bgez $2, _safe_lab_46_
|
|
# was: bgez _arr_ind_41_, _safe_lab_46_
|
|
_error_lab_45_:
|
|
ori $5, $0, 10
|
|
# was: ori $5, $0, 10
|
|
la $6, _Msg_IllegalIndex_
|
|
# was: la $6, _Msg_IllegalIndex_
|
|
j _RuntimeError_
|
|
_safe_lab_46_:
|
|
sub $4, $2, $4
|
|
# was: sub _tmp_reg_44_, _arr_ind_41_, _size_reg_43_
|
|
bgez $4, _error_lab_45_
|
|
# was: bgez _tmp_reg_44_, _error_lab_45_
|
|
add $3, $3, $2
|
|
# was: add _arr_reg_42_, _arr_reg_42_, _arr_ind_41_
|
|
lb $2, 0($3)
|
|
# was: lb _arg_40_, 0(_arr_reg_42_)
|
|
# ori $2,_arg_40_,0
|
|
jal ord
|
|
# was: jal ord, $2
|
|
# ori _tmp_39_,$2,0
|
|
# ori _letBind_38_,_tmp_39_,0
|
|
# ori $2,_letBind_38_,0
|
|
jal putint
|
|
# was: jal putint, $2
|
|
ori $2, $16, 0
|
|
# was: ori _tmp_47_, _letBind_26_, 0
|
|
ori $16, $2, 0
|
|
# was: ori _mainres_1_, _tmp_47_, 0
|
|
# ori $2,_tmp_47_,0
|
|
jal putstring
|
|
# was: jal putstring, $2
|
|
ori $2, $16, 0
|
|
# was: ori $2, _mainres_1_, 0
|
|
addi $29, $29, 28
|
|
lw $20, -24($29)
|
|
lw $19, -20($29)
|
|
lw $18, -16($29)
|
|
lw $17, -12($29)
|
|
lw $16, -8($29)
|
|
lw $31, -4($29)
|
|
jr $31
|
|
ord:
|
|
jr $31
|
|
chr:
|
|
andi $2, $2, 255
|
|
jr $31
|
|
putint:
|
|
addi $29, $29, -8
|
|
sw $2, 0($29)
|
|
sw $4, 4($29)
|
|
ori $4, $2, 0
|
|
ori $2, $0, 1
|
|
syscall
|
|
ori $2, $0, 4
|
|
la $4, _space_
|
|
syscall
|
|
lw $2, 0($29)
|
|
lw $4, 4($29)
|
|
addi $29, $29, 8
|
|
jr $31
|
|
getint:
|
|
ori $2, $0, 5
|
|
syscall
|
|
jr $31
|
|
putchar:
|
|
addi $29, $29, -8
|
|
sw $2, 0($29)
|
|
sw $4, 4($29)
|
|
ori $4, $2, 0
|
|
ori $2, $0, 11
|
|
syscall
|
|
ori $2, $0, 4
|
|
la $4, _space_
|
|
syscall
|
|
lw $2, 0($29)
|
|
lw $4, 4($29)
|
|
addi $29, $29, 8
|
|
jr $31
|
|
getchar:
|
|
addi $29, $29, -8
|
|
sw $4, 0($29)
|
|
sw $5, 4($29)
|
|
ori $2, $0, 12
|
|
syscall
|
|
ori $5, $2, 0
|
|
ori $2, $0, 4
|
|
la $4, _cr_
|
|
syscall
|
|
ori $2, $5, 0
|
|
lw $4, 0($29)
|
|
lw $5, 4($29)
|
|
addi $29, $29, 8
|
|
jr $31
|
|
putstring:
|
|
addi $29, $29, -16
|
|
sw $2, 0($29)
|
|
sw $4, 4($29)
|
|
sw $5, 8($29)
|
|
sw $6, 12($29)
|
|
lw $4, 0($2)
|
|
addi $5, $2, 4
|
|
add $6, $5, $4
|
|
ori $2, $0, 11
|
|
putstring_begin:
|
|
sub $4, $5, $6
|
|
bgez $4, putstring_done
|
|
lb $4, 0($5)
|
|
syscall
|
|
addi $5, $5, 1
|
|
j putstring_begin
|
|
putstring_done:
|
|
lw $2, 0($29)
|
|
lw $4, 4($29)
|
|
lw $5, 8($29)
|
|
lw $6, 12($29)
|
|
addi $29, $29, 16
|
|
jr $31
|
|
_RuntimeError_:
|
|
la $4, _ErrMsg_
|
|
ori $2, $0, 4
|
|
syscall
|
|
ori $4, $5, 0
|
|
ori $2, $0, 1
|
|
syscall
|
|
la $4, _colon_space_
|
|
ori $2, $0, 4
|
|
syscall
|
|
ori $4, $6, 0
|
|
ori $2, $0, 4
|
|
syscall
|
|
la $4, _cr_
|
|
ori $2, $0, 4
|
|
syscall
|
|
j _stop_
|
|
.data
|
|
# Fixed strings for I/O
|
|
_ErrMsg_:
|
|
.asciiz "Runtime error at line "
|
|
_colon_space_:
|
|
.asciiz ": "
|
|
_cr_:
|
|
.asciiz "\n"
|
|
_space_:
|
|
.asciiz " "
|
|
# Message strings for specific errors
|
|
_Msg_IllegalArraySize_:
|
|
.asciiz "negative array size"
|
|
_Msg_IllegalIndex_:
|
|
.asciiz "array index out of bounds"
|
|
_Msg_DivZero_:
|
|
.asciiz "division by zero"
|
|
# String Literals
|
|
.align 2
|
|
_true:
|
|
.space 4
|
|
.asciiz "true"
|
|
.align 2
|
|
_false:
|
|
.space 4
|
|
.asciiz "false"
|
|
.align 2
|
|
_heap_:
|
|
.space 100000 |