Commit | Line | Data |
---|---|---|
7f918cf1 CE |
1 | (* Copyright (C) 2009,2017 Matthew Fluet. |
2 | * Copyright (C) 1999-2006 Henry Cejtin, Matthew Fluet, Suresh | |
3 | * Jagannathan, and Stephen Weeks. | |
4 | * Copyright (C) 1997-2000 NEC Research Institute. | |
5 | * | |
6 | * MLton is released under a BSD-style license. | |
7 | * See the file MLton-LICENSE for details. | |
8 | *) | |
9 | ||
10 | signature ALLOCATE_REGISTERS_STRUCTS = | |
11 | sig | |
12 | structure Rssa: RSSA | |
13 | structure Machine: MACHINE | |
14 | sharing Rssa.Runtime = Machine.Runtime | |
15 | sharing Rssa.Type = Machine.Type | |
16 | end | |
17 | ||
18 | signature ALLOCATE_REGISTERS = | |
19 | sig | |
20 | include ALLOCATE_REGISTERS_STRUCTS | |
21 | ||
22 | val allocate: | |
23 | {formalsStackOffsets: (Rssa.Var.t * Rssa.Type.t) vector -> Machine.StackOffset.t vector, | |
24 | function: Rssa.Function.t, | |
25 | varInfo: Rssa.Var.t -> { | |
26 | (* If (isSome operand) then a stack slot or | |
27 | * register needs to be allocated for the | |
28 | * variable. | |
29 | *) | |
30 | operand: Machine.Operand.t option ref option, | |
31 | ty: Machine.Type.t | |
32 | } | |
33 | } | |
34 | -> {(* If handlers are used, handlerLinkOffset gives the stack offsets | |
35 | * where the handler and link (old exnStack) should be stored. | |
36 | *) | |
37 | handlerLinkOffset: {handler: Bytes.t, | |
38 | link: Bytes.t} option, | |
39 | labelInfo: | |
40 | Rssa.Label.t -> {(* Live operands at the beginning of the block. *) | |
41 | live: Machine.Operand.t vector, | |
42 | (* Live operands at the beginning of the block, | |
43 | * excepting its formals. | |
44 | *) | |
45 | liveNoFormals: Machine.Operand.t vector, | |
46 | (* Size of frame including return address. *) | |
47 | size: Bytes.t}} | |
48 | end |