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cmd/compile/internal/dwarfgen: use src.Pos.Rel{Filename,Line,Col} consistently

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It appears that this code predates golang.org/cl/96535, which added
RelCol to support /*line*/ directives.

Change-Id: Ib79cebc1be53af706e84e8799eeea81ef8c81c8b
Reviewed-on: https://go-review.googlesource.com/c/go/+/343430
Trust: Matthew Dempsky <mdempsky@google.com>
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
This commit is contained in:
Matthew Dempsky 2021-08-18 14:42:12 -07:00
parent 687f2acf6a
commit 322879d5c9
2 changed files with 4 additions and 4 deletions
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6
src/cmd/compile/internal/dwarfgen/dwarf.go
View File

@ -214,7 +214,7 @@ func createDwarfVars(fnsym *obj.LSym, complexOK bool, fn *ir.Func, apDecls []*ir
Type: base.Ctxt.Lookup(typename),
DeclFile: declpos.RelFilename(),
DeclLine: declpos.RelLine(),
DeclCol: declpos.Col(),
DeclCol: declpos.RelCol(),
InlIndex: int32(inlIndex),
ChildIndex: -1,
})
@ -371,7 +371,7 @@ func createSimpleVar(fnsym *obj.LSym, n *ir.Name) *dwarf.Var {
Type: base.Ctxt.Lookup(typename),
DeclFile: declpos.RelFilename(),
DeclLine: declpos.RelLine(),
DeclCol: declpos.Col(),
DeclCol: declpos.RelCol(),
InlIndex: int32(inlIndex),
ChildIndex: -1,
}
@ -475,7 +475,7 @@ func createComplexVar(fnsym *obj.LSym, fn *ir.Func, varID ssa.VarID) *dwarf.Var
StackOffset: ssagen.StackOffset(debug.Slots[debug.VarSlots[varID][0]]),
DeclFile: declpos.RelFilename(),
DeclLine: declpos.RelLine(),
DeclCol: declpos.Col(),
DeclCol: declpos.RelCol(),
InlIndex: int32(inlIndex),
ChildIndex: -1,
}

2
src/cmd/compile/internal/dwarfgen/dwinl.go
View File

@ -244,7 +244,7 @@ func makePreinlineDclMap(fnsym *obj.LSym) map[varPos]int {
DeclName: unversion(n.Sym().Name),
DeclFile: pos.RelFilename(),
DeclLine: pos.RelLine(),
DeclCol: pos.Col(),
DeclCol: pos.RelCol(),
}
if _, found := m[vp]; found {
// We can see collisions (variables with the same name/file/line/col) in obfuscated or machine-generated code -- see issue 44378 for an example. Skip duplicates in such cases, since it is unlikely that a human will be debugging such code.