rustc_codegen_ssa/traits/
asm.rs

1use rustc_ast::{InlineAsmOptions, InlineAsmTemplatePiece};
2use rustc_hir::def_id::DefId;
3use rustc_middle::ty::Instance;
4use rustc_span::Span;
5use rustc_target::asm::InlineAsmRegOrRegClass;
6
7use super::BackendTypes;
8use crate::mir::operand::OperandRef;
9use crate::mir::place::PlaceRef;
10
11#[derive(Debug)]
12pub enum InlineAsmOperandRef<'tcx, B: BackendTypes + ?Sized> {
13    In {
14        reg: InlineAsmRegOrRegClass,
15        value: OperandRef<'tcx, B::Value>,
16    },
17    Out {
18        reg: InlineAsmRegOrRegClass,
19        late: bool,
20        place: Option<PlaceRef<'tcx, B::Value>>,
21    },
22    InOut {
23        reg: InlineAsmRegOrRegClass,
24        late: bool,
25        in_value: OperandRef<'tcx, B::Value>,
26        out_place: Option<PlaceRef<'tcx, B::Value>>,
27    },
28    Const {
29        string: String,
30    },
31    SymFn {
32        instance: Instance<'tcx>,
33    },
34    SymStatic {
35        def_id: DefId,
36    },
37    Label {
38        label: B::BasicBlock,
39    },
40}
41
42#[derive(Debug)]
43pub enum GlobalAsmOperandRef<'tcx> {
44    Const { string: String },
45    SymFn { instance: Instance<'tcx> },
46    SymStatic { def_id: DefId },
47}
48
49pub trait AsmBuilderMethods<'tcx>: BackendTypes {
50    /// Take an inline assembly expression and splat it out via LLVM
51    fn codegen_inline_asm(
52        &mut self,
53        template: &[InlineAsmTemplatePiece],
54        operands: &[InlineAsmOperandRef<'tcx, Self>],
55        options: InlineAsmOptions,
56        line_spans: &[Span],
57        instance: Instance<'_>,
58        dest: Option<Self::BasicBlock>,
59        catch_funclet: Option<(Self::BasicBlock, Option<&Self::Funclet>)>,
60    );
61}
62
63pub trait AsmCodegenMethods<'tcx> {
64    fn codegen_global_asm(
65        &mut self,
66        template: &[InlineAsmTemplatePiece],
67        operands: &[GlobalAsmOperandRef<'tcx>],
68        options: InlineAsmOptions,
69        line_spans: &[Span],
70    );
71
72    /// The mangled name of this instance
73    ///
74    /// Additional mangling is used on
75    /// some targets to add a leading underscore (Mach-O)
76    /// or byte count suffixes (x86 Windows).
77    fn mangled_name(&self, instance: Instance<'tcx>) -> String;
78}
rustc_codegen_ssa/traits/asm.rs

Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.

rustc_codegen_ssa/traits/
asm.rs
