Stowage/go
2
0
Fork 0
mirror of https://github.com/golang/go.git synced 2025-12-08 06:10:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

compiler,linker: support for DWARF inlined instances

Browse source 
Compiler and linker changes to support DWARF inlined instances,
see https://go.googlesource.com/proposal/+/HEAD/design/22080-dwarf-inlining.md
for design details.

This functionality is gated via the cmd/compile option -gendwarfinl=N,
where N={0,1,2}, where a value of 0 disables dwarf inline generation,
a value of 1 turns on dwarf generation without tracking of formal/local
vars from inlined routines, and a value of 2 enables inlines with
variable tracking.

Updates #22080

Change-Id: I69309b3b815d9fed04aebddc0b8d33d0dbbfad6e
Reviewed-on: https://go-review.googlesource.com/75550
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
This commit is contained in:
Than McIntosh 2017-10-06 11:32:28 -04:00
parent dbb1d198ab
commit 4435fcfd6c
17 changed files with 1950 additions and 152 deletions
Download patch file Download diff file Expand all files Collapse all files

30
src/cmd/compile/internal/gc/syntax.go
View file

@ -85,18 +85,20 @@ const (
_, nodeAssigned // is the variable ever assigned to
_, nodeAddrtaken // address taken, even if not moved to heap
_, nodeImplicit
_, nodeIsddd // is the argument variadic
_, nodeDiag // already printed error about this
_, nodeColas // OAS resulting from :=
_, nodeNonNil // guaranteed to be non-nil
_, nodeNoescape // func arguments do not escape; TODO(rsc): move Noescape to Func struct (see CL 7360)
_, nodeBounded // bounds check unnecessary
_, nodeAddable // addressable
_, nodeHasCall // expression contains a function call
_, nodeLikely // if statement condition likely
_, nodeHasVal // node.E contains a Val
_, nodeHasOpt // node.E contains an Opt
_, nodeEmbedded // ODCLFIELD embedded type
_, nodeIsddd // is the argument variadic
_, nodeDiag // already printed error about this
_, nodeColas // OAS resulting from :=
_, nodeNonNil // guaranteed to be non-nil
_, nodeNoescape // func arguments do not escape; TODO(rsc): move Noescape to Func struct (see CL 7360)
_, nodeBounded // bounds check unnecessary
_, nodeAddable // addressable
_, nodeHasCall // expression contains a function call
_, nodeLikely // if statement condition likely
_, nodeHasVal // node.E contains a Val
_, nodeHasOpt // node.E contains an Opt
_, nodeEmbedded // ODCLFIELD embedded type
_, nodeInlFormal // OPAUTO created by inliner, derived from callee formal
_, nodeInlLocal // OPAUTO created by inliner, derived from callee local
)
func (n *Node) Class() Class { return Class(n.flags.get3(nodeClass)) }
@ -123,6 +125,8 @@ func (n *Node) Likely() bool { return n.flags&nodeLikely != 0 }
func (n *Node) HasVal() bool { return n.flags&nodeHasVal != 0 }
func (n *Node) HasOpt() bool { return n.flags&nodeHasOpt != 0 }
func (n *Node) Embedded() bool { return n.flags&nodeEmbedded != 0 }
func (n *Node) InlFormal() bool { return n.flags&nodeInlFormal != 0 }
func (n *Node) InlLocal() bool { return n.flags&nodeInlLocal != 0 }
func (n *Node) SetClass(b Class) { n.flags.set3(nodeClass, uint8(b)) }
func (n *Node) SetWalkdef(b uint8) { n.flags.set2(nodeWalkdef, b) }
@ -148,6 +152,8 @@ func (n *Node) SetLikely(b bool) { n.flags.set(nodeLikely, b) }
func (n *Node) SetHasVal(b bool) { n.flags.set(nodeHasVal, b) }
func (n *Node) SetHasOpt(b bool) { n.flags.set(nodeHasOpt, b) }
func (n *Node) SetEmbedded(b bool) { n.flags.set(nodeEmbedded, b) }
func (n *Node) SetInlFormal(b bool) { n.flags.set(nodeInlFormal, b) }
func (n *Node) SetInlLocal(b bool) { n.flags.set(nodeInlLocal, b) }
// Val returns the Val for the node.
func (n *Node) Val() Val {