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[dev.link] cmd/link/internal/loader: get rid of the AttrContainer loader method

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Remove the loader's AttrContainer method, since it is no longer
needed. All of the code in the linker that used s.Attr.Container() is
now upstream of loadlibfull(), and the code in question now uses local
bitmaps to keep track of container text symbols as opposed to loader
methods.

Change-Id: Iae956d24bef2776e181c3b8208476dcb0b9a2916
Reviewed-on: https://go-review.googlesource.com/c/go/+/227959
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Than McIntosh 2020-04-12 14:19:38 -04:00
parent ad6fcf6993
commit e488ade6dd
1 changed files with 3 additions and 15 deletions
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18
src/cmd/link/internal/loader/loader.go
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@ -953,21 +953,9 @@ func (l *Loader) AttrSubSymbol(i Sym) bool {
return l.OuterSym(i) != 0
}
// AttrContainer returns true for symbols that are listed as a
// sub-symbol of some other outer symbol. The sub/outer mechanism is
// used when loading host objects (sections from the host object
// become regular linker symbols and symbols go on the Sub list of
// their section) and for constructing the global offset table when
// internally linking a dynamic executable.
func (l *Loader) AttrContainer(i Sym) bool {
// we don't explicitly store this attribute any more -- return
// a value based on the sub-symbol setting.
return l.SubSym(i) != 0
}
// Note that we don't have SetAttrSubSymbol' or 'SetAttrContainer' methods
// in the loader; clients should just use methods like PrependSub
// to establish these relationships
// Note that we don't have a 'SetAttrSubSymbol' method in the loader;
// clients should instead use the PrependSub method to establish
// outer/sub relationships for host object symbols.
// Returns whether the i-th symbol has ReflectMethod attribute set.
func (l *Loader) IsReflectMethod(i Sym) bool {