pd-vm 0.22.2

RustScript bytecode compiler and VM
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175

#[cfg(feature = "cranelift-jit")]
use cranelift_codegen::ir::{AbiParam, Block, BlockArg, InstBuilder, Signature, types};
#[cfg(feature = "cranelift-jit")]
use cranelift_frontend::FunctionBuilder;

#[cfg(feature = "cranelift-jit")]
pub(crate) fn jump_with_status(
    b: &mut FunctionBuilder,
    block: Block,
    status: cranelift_codegen::ir::Value,
) {
    b.ins().jump(block, &[BlockArg::Value(status)]);
}

#[cfg(feature = "cranelift-jit")]
pub(crate) fn helper_signature(
    pointer_type: cranelift_codegen::ir::Type,
    call_conv: cranelift_codegen::isa::CallConv,
) -> Signature {
    let mut sig = Signature::new(call_conv);
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(types::I64));
    sig.params.push(AbiParam::new(types::I64));
    sig.params.push(AbiParam::new(types::I64));
    sig.params.push(AbiParam::new(types::I64));
    sig.returns.push(AbiParam::new(types::I32));
    sig
}

#[cfg(feature = "cranelift-jit")]
pub(crate) fn alloc_buffer_signature(
    pointer_type: cranelift_codegen::ir::Type,
    call_conv: cranelift_codegen::isa::CallConv,
) -> Signature {
    let mut sig = Signature::new(call_conv);
    sig.params.push(AbiParam::new(pointer_type));
    sig.returns.push(AbiParam::new(pointer_type));
    sig
}

#[cfg(feature = "cranelift-jit")]
pub(crate) fn free_buffer_signature(
    pointer_type: cranelift_codegen::ir::Type,
    call_conv: cranelift_codegen::isa::CallConv,
) -> Signature {
    let mut sig = Signature::new(call_conv);
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig
}

#[cfg(feature = "cranelift-jit")]
pub(crate) fn pack_shared_signature(
    pointer_type: cranelift_codegen::ir::Type,
    call_conv: cranelift_codegen::isa::CallConv,
) -> Signature {
    let mut sig = Signature::new(call_conv);
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig.returns.push(AbiParam::new(pointer_type));
    sig
}

#[cfg(feature = "cranelift-jit")]
pub(crate) fn copy_bytes_signature(
    pointer_type: cranelift_codegen::ir::Type,
    call_conv: cranelift_codegen::isa::CallConv,
) -> Signature {
    let mut sig = Signature::new(call_conv);
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig
}

#[cfg(feature = "cranelift-jit")]
pub(crate) fn clone_value_signature(
    pointer_type: cranelift_codegen::ir::Type,
    call_conv: cranelift_codegen::isa::CallConv,
) -> Signature {
    let mut sig = Signature::new(call_conv);
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig.returns.push(AbiParam::new(types::I32));
    sig
}

#[cfg(feature = "cranelift-jit")]
pub(crate) fn collection_predicate_signature(
    pointer_type: cranelift_codegen::ir::Type,
    call_conv: cranelift_codegen::isa::CallConv,
) -> Signature {
    let mut sig = Signature::new(call_conv);
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig.returns.push(AbiParam::new(types::I32));
    sig
}

#[cfg(feature = "cranelift-jit")]
pub(crate) fn collection_get_signature(
    pointer_type: cranelift_codegen::ir::Type,
    call_conv: cranelift_codegen::isa::CallConv,
) -> Signature {
    let mut sig = Signature::new(call_conv);
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig.returns.push(AbiParam::new(types::I32));
    sig
}

#[cfg(feature = "cranelift-jit")]
pub(crate) fn value_slot_signature(
    pointer_type: cranelift_codegen::ir::Type,
    call_conv: cranelift_codegen::isa::CallConv,
) -> Signature {
    let mut sig = Signature::new(call_conv);
    sig.params.push(AbiParam::new(pointer_type));
    sig.returns.push(AbiParam::new(types::I32));
    sig
}

#[cfg(feature = "cranelift-jit")]
pub(crate) fn value_eq_signature(
    pointer_type: cranelift_codegen::ir::Type,
    call_conv: cranelift_codegen::isa::CallConv,
) -> Signature {
    let mut sig = Signature::new(call_conv);
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig.returns.push(AbiParam::new(types::I32));
    sig
}

#[cfg(feature = "cranelift-jit")]
pub(crate) fn box_heap_value_signature(
    pointer_type: cranelift_codegen::ir::Type,
    call_conv: cranelift_codegen::isa::CallConv,
) -> Signature {
    let mut sig = Signature::new(call_conv);
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(types::I64));
    sig.returns.push(AbiParam::new(types::I32));
    sig
}

#[cfg(feature = "cranelift-jit")]
pub(crate) fn restore_exit_signature(
    pointer_type: cranelift_codegen::ir::Type,
    call_conv: cranelift_codegen::isa::CallConv,
) -> Signature {
    let mut sig = Signature::new(call_conv);
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig.params.push(AbiParam::new(pointer_type));
    sig.returns.push(AbiParam::new(types::I32));
    sig
}

#[cfg(feature = "cranelift-jit")]
pub(crate) fn entry_signature(
    pointer_type: cranelift_codegen::ir::Type,
    call_conv: cranelift_codegen::isa::CallConv,
) -> Signature {
    let mut sig = Signature::new(call_conv);
    sig.params.push(AbiParam::new(pointer_type));
    sig.returns.push(AbiParam::new(types::I32));
    sig
}