rustc_codegen_ssa/traits/
debuginfo.rs

1use std::ops::Range;
2
3use rustc_abi::Size;
4use rustc_middle::mir;
5use rustc_middle::ty::{ExistentialTraitRef, Instance, Ty};
6use rustc_span::{SourceFile, Span, Symbol};
7use rustc_target::callconv::FnAbi;
8
9use super::BackendTypes;
10use crate::mir::debuginfo::{FunctionDebugContext, VariableKind};
11
12pub trait DebugInfoCodegenMethods<'tcx>: BackendTypes {
13    fn create_vtable_debuginfo(
14        &self,
15        ty: Ty<'tcx>,
16        trait_ref: Option<ExistentialTraitRef<'tcx>>,
17        vtable: Self::Value,
18    );
19
20    /// Creates the function-specific debug context.
21    ///
22    /// Returns the FunctionDebugContext for the function which holds state needed
23    /// for debug info creation, if it is enabled.
24    fn create_function_debug_context(
25        &self,
26        instance: Instance<'tcx>,
27        fn_abi: &FnAbi<'tcx, Ty<'tcx>>,
28        llfn: Self::Function,
29        mir: &mir::Body<'tcx>,
30    ) -> Option<FunctionDebugContext<'tcx, Self::DIScope, Self::DILocation>>;
31
32    // FIXME(eddyb) find a common convention for all of the debuginfo-related
33    // names (choose between `dbg`, `debug`, `debuginfo`, `debug_info` etc.).
34    fn dbg_scope_fn(
35        &self,
36        instance: Instance<'tcx>,
37        fn_abi: &FnAbi<'tcx, Ty<'tcx>>,
38        maybe_definition_llfn: Option<Self::Function>,
39    ) -> Self::DIScope;
40
41    fn dbg_loc(
42        &self,
43        scope: Self::DIScope,
44        inlined_at: Option<Self::DILocation>,
45        span: Span,
46    ) -> Self::DILocation;
47
48    fn extend_scope_to_file(
49        &self,
50        scope_metadata: Self::DIScope,
51        file: &SourceFile,
52    ) -> Self::DIScope;
53    fn debuginfo_finalize(&self);
54
55    // FIXME(eddyb) find a common convention for all of the debuginfo-related
56    // names (choose between `dbg`, `debug`, `debuginfo`, `debug_info` etc.).
57    fn create_dbg_var(
58        &self,
59        variable_name: Symbol,
60        variable_type: Ty<'tcx>,
61        scope_metadata: Self::DIScope,
62        variable_kind: VariableKind,
63        span: Span,
64    ) -> Self::DIVariable;
65}
66
67pub trait DebugInfoBuilderMethods: BackendTypes {
68    // FIXME(eddyb) find a common convention for all of the debuginfo-related
69    // names (choose between `dbg`, `debug`, `debuginfo`, `debug_info` etc.).
70    fn dbg_var_addr(
71        &mut self,
72        dbg_var: Self::DIVariable,
73        dbg_loc: Self::DILocation,
74        variable_alloca: Self::Value,
75        direct_offset: Size,
76        // NB: each offset implies a deref (i.e. they're steps in a pointer chain).
77        indirect_offsets: &[Size],
78        // Byte range in the `dbg_var` covered by this fragment,
79        // if this is a fragment of a composite `DIVariable`.
80        fragment: Option<Range<Size>>,
81    );
82    fn set_dbg_loc(&mut self, dbg_loc: Self::DILocation);
83    fn clear_dbg_loc(&mut self);
84    fn insert_reference_to_gdb_debug_scripts_section_global(&mut self);
85    fn set_var_name(&mut self, value: Self::Value, name: &str);
86}
rustc_codegen_ssa/traits/debuginfo.rs

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rustc_codegen_ssa/traits/
debuginfo.rs
