cmd/compile/internal/ssa: use *obj.LSym in ExternSymbol
Change-Id: I713120f90fd1d2df6698c40622ccac6eae907919
Reviewed-on: https://go-review.googlesource.com/36423
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com>
diff --git a/src/cmd/compile/internal/gc/ssa.go b/src/cmd/compile/internal/gc/ssa.go
index f290ea9..364a877 100644
--- a/src/cmd/compile/internal/gc/ssa.go
+++ b/src/cmd/compile/internal/gc/ssa.go
@@ -1433,12 +1433,12 @@
len := s.newValue1(ssa.OpStringLen, Types[TINT], str)
return s.newValue3(ssa.OpSliceMake, n.Type, ptr, len, len)
case OCFUNC:
- aux := s.lookupSymbol(n, &ssa.ExternSymbol{Typ: n.Type, Sym: n.Left.Sym})
+ aux := s.lookupSymbol(n, &ssa.ExternSymbol{Typ: n.Type, Sym: Linksym(n.Left.Sym)})
return s.entryNewValue1A(ssa.OpAddr, n.Type, aux, s.sb)
case ONAME:
if n.Class == PFUNC {
// "value" of a function is the address of the function's closure
- sym := funcsym(n.Sym)
+ sym := Linksym(funcsym(n.Sym))
aux := &ssa.ExternSymbol{Typ: n.Type, Sym: sym}
return s.entryNewValue1A(ssa.OpAddr, ptrto(n.Type), aux, s.sb)
}
@@ -2187,7 +2187,7 @@
// Call growslice
s.startBlock(grow)
- taddr := s.newValue1A(ssa.OpAddr, Types[TUINTPTR], &ssa.ExternSymbol{Typ: Types[TUINTPTR], Sym: typenamesym(n.Type.Elem())}, s.sb)
+ taddr := s.newValue1A(ssa.OpAddr, Types[TUINTPTR], &ssa.ExternSymbol{Typ: Types[TUINTPTR], Sym: Linksym(typenamesym(n.Type.Elem()))}, s.sb)
r := s.rtcall(growslice, true, []*Type{pt, Types[TINT], Types[TINT]}, taddr, p, l, c, nl)
@@ -3071,7 +3071,7 @@
switch n.Class {
case PEXTERN:
// global variable
- aux := s.lookupSymbol(n, &ssa.ExternSymbol{Typ: n.Type, Sym: n.Sym})
+ aux := s.lookupSymbol(n, &ssa.ExternSymbol{Typ: n.Type, Sym: Linksym(n.Sym)})
v := s.entryNewValue1A(ssa.OpAddr, t, aux, s.sb)
// TODO: Make OpAddr use AuxInt as well as Aux.
if n.Xoffset != 0 {
@@ -3427,7 +3427,7 @@
}
val = s.newValue3I(op, ssa.TypeMem, sizeAlignAuxInt(t), left, right, s.mem())
}
- val.Aux = &ssa.ExternSymbol{Typ: Types[TUINTPTR], Sym: typenamesym(t)}
+ val.Aux = &ssa.ExternSymbol{Typ: Types[TUINTPTR], Sym: Linksym(typenamesym(t))}
s.vars[&memVar] = val
// WB ops will be expanded to branches at writebarrier phase.
@@ -4168,7 +4168,7 @@
if !commaok {
// on failure, panic by calling panicdottype
s.startBlock(bFail)
- taddr := s.newValue1A(ssa.OpAddr, byteptr, &ssa.ExternSymbol{Typ: byteptr, Sym: typenamesym(n.Left.Type)}, s.sb)
+ taddr := s.newValue1A(ssa.OpAddr, byteptr, &ssa.ExternSymbol{Typ: byteptr, Sym: Linksym(typenamesym(n.Left.Type))}, s.sb)
s.rtcall(panicdottype, false, nil, typ, target, taddr)
// on success, return data from interface
@@ -4569,14 +4569,7 @@
switch sym := v.Aux.(type) {
case *ssa.ExternSymbol:
a.Name = obj.NAME_EXTERN
- switch s := sym.Sym.(type) {
- case *Sym:
- a.Sym = Linksym(s)
- case *obj.LSym:
- a.Sym = s
- default:
- v.Fatalf("ExternSymbol.Sym is %T", s)
- }
+ a.Sym = sym.Sym
case *ssa.ArgSymbol:
n := sym.Node.(*Node)
a.Name = obj.NAME_PARAM
diff --git a/src/cmd/compile/internal/ssa/value.go b/src/cmd/compile/internal/ssa/value.go
index b9b35b1..00f2454 100644
--- a/src/cmd/compile/internal/ssa/value.go
+++ b/src/cmd/compile/internal/ssa/value.go
@@ -5,6 +5,7 @@
package ssa
import (
+ "cmd/internal/obj"
"cmd/internal/src"
"fmt"
"math"
@@ -244,8 +245,8 @@
// ExternSymbol is an aux value that encodes a variable's
// constant offset from the static base pointer.
type ExternSymbol struct {
- Typ Type // Go type
- Sym fmt.Stringer // A *gc.Sym referring to a global variable
+ Typ Type // Go type
+ Sym *obj.LSym
// Note: the offset for an external symbol is not
// calculated until link time.
}
