Strongtalk Bytecodes

Strongtalk Bytecodes (Version 2)

local_access bytecodes

Code	Name	Format	Single step
00_H	push_temp_0	byte
01_H	push_temp_1	byte
02_H	push_temp_2	byte
03_H	push_temp_3	byte
04_H	push_temp_4	byte
05_H	push_temp_5	byte
07_H	push_temp_n	byte byte
08_H	push_arg_1	byte
09_H	push_arg_2	byte
0A_H	push_arg_3	byte
0B_H	push_arg_n	byte byte
10_H	store_temp_0_pop	byte	intercepted
11_H	store_temp_1_pop	byte	intercepted
12_H	store_temp_2_pop	byte	intercepted
13_H	store_temp_3_pop	byte	intercepted
14_H	store_temp_4_pop	byte	intercepted
15_H	store_temp_5_pop	byte	intercepted
16_H	store_temp_n	byte byte	intercepted
17_H	store_temp_n_pop	byte byte	intercepted

instVar_access bytecodes

Code	Name	Format	Single step
28_H	return_instVar_name	byte oop
2C_H	return_instVar	byte long	intercepted
2D_H	push_instVar	byte long
2E_H	store_instVar_pop	byte long	intercepted
2F_H	store_instVar	byte long	intercepted
3D_H	push_instVar_name	byte oop
3E_H	store_instVar_pop_name	byte oop
3F_H	store_instVar_name	byte oop

context_access bytecodes

Code	Name	Format	Single step
40_H	push_temp_0_context_0	byte
41_H	push_temp_1_context_0	byte
42_H	push_temp_2_context_0	byte
43_H	push_temp_n_context_0	byte byte
44_H	store_temp_0_context_0_pop	byte	intercepted
45_H	store_temp_1_context_0_pop	byte	intercepted
46_H	store_temp_2_context_0_pop	byte	intercepted
47_H	store_temp_n_context_0_pop	byte byte	intercepted
50_H	push_temp_0_context_1	byte
51_H	push_temp_1_context_1	byte
52_H	push_temp_2_context_1	byte
53_H	push_temp_n_context_1	byte byte
54_H	store_temp_0_context_1_pop	byte	intercepted
55_H	store_temp_1_context_1_pop	byte	intercepted
56_H	store_temp_2_context_1_pop	byte	intercepted
57_H	store_temp_n_context_1_pop	byte byte	intercepted
60_H	push_temp_0_context_n	byte byte
61_H	push_temp_1_context_n	byte byte
62_H	push_temp_2_context_n	byte byte
63_H	push_temp_n_context_n	byte byte byte
64_H	store_temp_0_context_n_pop	byte byte	intercepted
65_H	store_temp_1_context_n_pop	byte byte	intercepted
66_H	store_temp_2_context_n_pop	byte byte	intercepted
67_H	store_temp_n_context_n_pop	byte byte byte	intercepted
68_H	set_self_via_context	byte
69_H	copy_1_into_context	byte byte
6A_H	copy_2_into_context	byte byte byte
6B_H	copy_n_into_context	byte byte {byte}
6C_H	copy_self_into_context	byte
6D_H	copy_self_1_into_context	byte byte
6E_H	copy_self_2_into_context	byte byte byte
6F_H	copy_self_n_into_context	byte byte {byte}

classVar_access bytecodes

Code	Name	Format	Single step
29_H	push_classVar	byte oop
2A_H	store_classVar_pop	byte oop	intercepted
2B_H	store_classVar	byte oop	intercepted
F3_H	push_classVar_name	byte oop
F4_H	store_classVar_pop_name	byte oop
F5_H	store_classVar_name	byte oop

global_access bytecodes

Code	Name	Format	Single step
F0_H	push_global	byte oop
F1_H	store_global_pop	byte oop	intercepted
F2_H	store_global	byte oop	intercepted

new_closure bytecodes

Code	Name	Format
48_H	push_new_closure_context_0	byte oop
49_H	push_new_closure_context_1	byte oop
4A_H	push_new_closure_context_2	byte oop
4B_H	push_new_closure_context_n	byte byte oop
58_H	push_new_closure_tos_0	byte oop
59_H	push_new_closure_tos_1	byte oop
5A_H	push_new_closure_tos_2	byte oop
5B_H	push_new_closure_tos_n	byte byte oop

new_context bytecodes

Code	Name	Format
4C_H	install_new_context_method_0	byte
4D_H	install_new_context_method_1	byte
4E_H	install_new_context_method_2	byte
4F_H	install_new_context_method_n	byte byte
5C_H	only_pop	byte
5D_H	install_new_context_block_1	byte
5E_H	install_new_context_block_2	byte
5F_H	install_new_context_block_n	byte byte

control_struc bytecodes

Code	Name	Format
70_H	ifTrue_byte	byte byte byte
71_H	ifFalse_byte	byte byte byte
72_H	and_byte	byte byte
73_H	or_byte	byte byte
74_H	whileTrue_byte	byte byte
75_H	whileFalse_byte	byte byte
76_H	jump_else_byte	byte byte
77_H	jump_loop_byte	byte byte byte
78_H	ifTrue_word	byte byte long
79_H	ifFalse_word	byte byte long
7A_H	and_word	byte long
7B_H	or_word	byte long
7C_H	whileTrue_word	byte long
7D_H	whileFalse_word	byte long
7E_H	jump_else_word	byte long
7F_H	jump_loop_word	byte long long
FF_H	halt	byte

message_send bytecodes

Code	Name	Format	Single step	Send type	Arguments
80_H	interpreted_send_0	byte oop oop	intercepted	interpreted_send	receiver
81_H	interpreted_send_1	byte oop oop	intercepted	interpreted_send	receiver argument_1
82_H	interpreted_send_2	byte oop oop	intercepted	interpreted_send	receiver argument_1 argument_2
83_H	interpreted_send_n	byte byte oop oop	intercepted	interpreted_send	receiver argument_1 argument_2 ... argument_n
84_H	interpreted_send_0_pop	byte oop oop	intercepted	interpreted_send	receiver
85_H	interpreted_send_1_pop	byte oop oop	intercepted	interpreted_send	receiver argument_1
86_H	interpreted_send_2_pop	byte oop oop	intercepted	interpreted_send	receiver argument_1 argument_2
87_H	interpreted_send_n_pop	byte byte oop oop	intercepted	interpreted_send	receiver argument_1 argument_2 ... argument_n
88_H	interpreted_send_self	byte oop oop	intercepted	interpreted_send	argument_1 argument_2 ... argument_n
89_H	interpreted_send_self_pop	byte oop oop	intercepted	interpreted_send	argument_1 argument_2 ... argument_n
8A_H	interpreted_send_super	byte oop oop	intercepted	interpreted_send	argument_1 argument_2 ... argument_n
8B_H	interpreted_send_super_pop	byte oop oop	intercepted	interpreted_send	argument_1 argument_2 ... argument_n
90_H	polymorphic_send_0	byte oop oop	intercepted	polymorphic_send	receiver
91_H	polymorphic_send_1	byte oop oop	intercepted	polymorphic_send	receiver argument_1
92_H	polymorphic_send_2	byte oop oop	intercepted	polymorphic_send	receiver argument_1 argument_2
93_H	polymorphic_send_n	byte byte oop oop	intercepted	polymorphic_send	receiver argument_1 argument_2 ... argument_n
94_H	polymorphic_send_0_pop	byte oop oop	intercepted	polymorphic_send	receiver
95_H	polymorphic_send_1_pop	byte oop oop	intercepted	polymorphic_send	receiver argument_1
96_H	polymorphic_send_2_pop	byte oop oop	intercepted	polymorphic_send	receiver argument_1 argument_2
97_H	polymorphic_send_n_pop	byte byte oop oop	intercepted	polymorphic_send	receiver argument_1 argument_2 ... argument_n
98_H	polymorphic_send_self	byte oop oop	intercepted	polymorphic_send	argument_1 argument_2 ... argument_n
99_H	polymorphic_send_self_pop	byte oop oop	intercepted	polymorphic_send	argument_1 argument_2 ... argument_n
9A_H	polymorphic_send_super	byte oop oop	intercepted	polymorphic_send	argument_1 argument_2 ... argument_n
9B_H	polymorphic_send_super_pop	byte oop oop	intercepted	polymorphic_send	argument_1 argument_2 ... argument_n
A0_H	compiled_send_0	byte long oop	intercepted	compiled_send	receiver
A1_H	compiled_send_1	byte long oop	intercepted	compiled_send	receiver argument_1
A2_H	compiled_send_2	byte long oop	intercepted	compiled_send	receiver argument_1 argument_2
A3_H	compiled_send_n	byte byte long oop	intercepted	compiled_send	receiver argument_1 argument_2 ... argument_n
A4_H	compiled_send_0_pop	byte long oop	intercepted	compiled_send	receiver
A5_H	compiled_send_1_pop	byte long oop	intercepted	compiled_send	receiver argument_1
A6_H	compiled_send_2_pop	byte long oop	intercepted	compiled_send	receiver argument_1 argument_2
A7_H	compiled_send_n_pop	byte byte long oop	intercepted	compiled_send	receiver argument_1 argument_2 ... argument_n
A8_H	compiled_send_self	byte long oop	intercepted	compiled_send	argument_1 argument_2 ... argument_n
A9_H	compiled_send_self_pop	byte long oop	intercepted	compiled_send	argument_1 argument_2 ... argument_n
AA_H	compiled_send_super	byte long oop	intercepted	compiled_send	argument_1 argument_2 ... argument_n
AB_H	compiled_send_super_pop	byte long oop	intercepted	compiled_send	argument_1 argument_2 ... argument_n
B8_H	access_send_self	byte oop oop	intercepted	accessor send	argument_1 argument_2 ... argument_n
B9_H	primitive_send_0	byte oop oop	intercepted	primitive_send	receiver
BA_H	primitive_send_super	byte oop oop	intercepted	primitive_send	argument_1 argument_2 ... argument_n
BB_H	primitive_send_super_pop	byte oop oop	intercepted	primitive_send	argument_1 argument_2 ... argument_n
BD_H	primitive_send_1	byte oop oop	intercepted	primitive_send	receiver argument_1
BE_H	primitive_send_2	byte oop oop	intercepted	primitive_send	receiver argument_1 argument_2
BF_H	primitive_send_n	byte byte oop oop	intercepted	primitive_send	receiver argument_1 argument_2 ... argument_n
C8_H	access_send_0	byte oop oop	intercepted	accessor send	receiver
C9_H	primitive_send_0_pop	byte oop oop	intercepted	primitive_send	receiver
CA_H	primitive_send_self	byte oop oop	intercepted	primitive_send	argument_1 argument_2 ... argument_n
CB_H	primitive_send_self_pop	byte oop oop	intercepted	primitive_send	argument_1 argument_2 ... argument_n
CD_H	primitive_send_1_pop	byte oop oop	intercepted	primitive_send	receiver argument_1
CE_H	primitive_send_2_pop	byte oop oop	intercepted	primitive_send	receiver argument_1 argument_2
CF_H	primitive_send_n_pop	byte byte oop oop	intercepted	primitive_send	receiver argument_1 argument_2 ... argument_n
D0_H	megamorphic_send_0	byte oop oop	intercepted	megamorphic_send	receiver
D1_H	megamorphic_send_1	byte oop oop	intercepted	megamorphic_send	receiver argument_1
D2_H	megamorphic_send_2	byte oop oop	intercepted	megamorphic_send	receiver argument_1 argument_2
D3_H	megamorphic_send_n	byte byte oop oop	intercepted	megamorphic_send	receiver argument_1 argument_2 ... argument_n
D4_H	megamorphic_send_0_pop	byte oop oop	intercepted	megamorphic_send	receiver
D5_H	megamorphic_send_1_pop	byte oop oop	intercepted	megamorphic_send	receiver argument_1
D6_H	megamorphic_send_2_pop	byte oop oop	intercepted	megamorphic_send	receiver argument_1 argument_2
D7_H	megamorphic_send_n_pop	byte byte oop oop	intercepted	megamorphic_send	receiver argument_1 argument_2 ... argument_n
D8_H	megamorphic_send_self	byte oop oop	intercepted	megamorphic_send	argument_1 argument_2 ... argument_n
D9_H	megamorphic_send_self_pop	byte oop oop	intercepted	megamorphic_send	argument_1 argument_2 ... argument_n
DA_H	megamorphic_send_super	byte oop oop	intercepted	megamorphic_send	argument_1 argument_2 ... argument_n
DB_H	megamorphic_send_super_pop	byte oop oop	intercepted	megamorphic_send	argument_1 argument_2 ... argument_n
E0_H	smi_add	byte oop oop	intercepted	predicted_send	receiver argument_1
E1_H	smi_sub	byte oop oop	intercepted	predicted_send	receiver argument_1
E2_H	smi_mult	byte oop oop	intercepted	predicted_send	receiver argument_1
E3_H	smi_div	byte oop oop	intercepted	predicted_send	receiver argument_1
E4_H	smi_mod	byte oop oop	intercepted	predicted_send	receiver argument_1
E5_H	smi_create_point	byte oop oop	intercepted	predicted_send	receiver argument_1
E6_H	smi_equal	byte oop oop	intercepted	predicted_send	receiver argument_1
E7_H	smi_not_equal	byte oop oop	intercepted	predicted_send	receiver argument_1
E8_H	smi_less	byte oop oop	intercepted	predicted_send	receiver argument_1
E9_H	smi_less_equal	byte oop oop	intercepted	predicted_send	receiver argument_1
EA_H	smi_greater	byte oop oop	intercepted	predicted_send	receiver argument_1
EB_H	smi_greater_equal	byte oop oop	intercepted	predicted_send	receiver argument_1
EC_H	objArray_at	byte oop oop	intercepted	predicted_send	receiver argument_1
ED_H	objArray_at_put	byte oop oop	intercepted	predicted_send	receiver argument_1
F6_H	smi_and	byte oop oop	intercepted	predicted_send	receiver argument_1
F7_H	smi_or	byte oop oop	intercepted	predicted_send	receiver argument_1
F8_H	smi_xor	byte oop oop	intercepted	predicted_send	receiver argument_1
F9_H	smi_shift	byte oop oop	intercepted	predicted_send	receiver argument_1

nonlocal_return bytecodes

Code	Name	Format	Single step
AE_H	non_local_return_tos_pop_n	byte byte	intercepted
AF_H	non_local_return_self_pop_n	byte byte	intercepted

primitive_call bytecodes

Code	Name	Format	Single step
B0_H	prim_call	byte long	intercepted
B1_H	predict_prim_call	byte long	intercepted
B2_H	prim_call_failure	byte long long	intercepted
B3_H	predict_prim_call_failure	byte long long	intercepted
B5_H	prim_call_self	byte long	intercepted
B6_H	prim_call_self_failure	byte long long	intercepted
C0_H	prim_call_lookup	byte oop
C1_H	predict_prim_call_lookup	byte oop
C2_H	prim_call_failure_lookup	byte oop long
C3_H	predict_prim_call_failure_lookup	byte oop long
C5_H	prim_call_self_lookup	byte oop
C6_H	prim_call_self_failure_lookup	byte oop long

dll_call bytecodes

Code	Name	Format	Single step
B4_H	dll_call_sync	byte oop oop long byte	intercepted
C4_H	dll_call_async	byte oop oop long byte	intercepted

float_operation bytecodes

Code	Name	Format
30_H	float_allocate	byte byte byte byte
31_H	float_floatify_pop	byte byte
32_H	float_move	byte byte byte
33_H	float_set	byte byte oop
34_H	float_nullary_op	byte byte byte
35_H	float_unary_op	byte byte byte
36_H	float_binary_op	byte byte byte
37_H	float_unary_op_to_oop	byte byte byte
38_H	float_binary_op_to_oop	byte byte byte

miscellaneous bytecodes

Code	Name	Format	Single step
0C_H	allocate_temp_1	byte
0D_H	allocate_temp_2	byte
0E_H	allocate_temp_3	byte
0F_H	allocate_temp_n	byte byte
18_H	push_neg_n	byte byte
19_H	push_succ_n	byte byte
1A_H	push_literal	byte oop
1B_H	push_tos	byte
1C_H	push_self	byte
1D_H	push_nil	byte
1E_H	push_true	byte
1F_H	push_false	byte
8C_H	return_tos_pop_0	byte	intercepted
8D_H	return_tos_pop_1	byte	intercepted
8E_H	return_tos_pop_2	byte	intercepted
8F_H	return_tos_pop_n	byte byte	intercepted
9C_H	return_self_pop_0	byte	intercepted
9D_H	return_self_pop_1	byte	intercepted
9E_H	return_self_pop_2	byte	intercepted
9F_H	return_self_pop_n	byte byte	intercepted
AC_H	return_tos_zap_pop_n	byte byte	intercepted
AD_H	return_self_zap_pop_n	byte byte	intercepted
DD_H	special_primitive_send_1_hint	byte byte
EE_H	double_equal	byte	intercepted
EF_H	double_tilde	byte	intercepted