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cmd/link: move build/link mode globals into ctxt

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Replace Buildmode with BuildMode and Linkmode with LinkMode.

For #22095

Change-Id: I51a6f5719d107727bca29ec8e68e3e9d87e31e33
Reviewed-on: https://go-review.googlesource.com/68334
Run-TryBot: David Crawshaw <crawshaw@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
David Crawshaw 2017-10-05 10:20:17 -04:00
parent 9f9bb97420
commit 2e8545531e
22 changed files with 287 additions and 292 deletions
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12
src/cmd/link/internal/ld/deadcode.go
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@ -108,9 +108,9 @@ func deadcode(ctxt *Link) {
}
}
if Buildmode != BuildmodeShared {
if ctxt.BuildMode != BuildModeShared {
// Keep a itablink if the symbol it points at is being kept.
// (When BuildmodeShared, always keep itablinks.)
// (When BuildModeShared, always keep itablinks.)
for _, s := range ctxt.Syms.Allsym {
if strings.HasPrefix(s.Name, "go.itablink.") {
s.Attr.Set(sym.AttrReachable, len(s.R) == 1 && s.R[0].Sym.Attr.Reachable())
@ -205,7 +205,7 @@ func (d *deadcodepass) init() {
names = append(names, "runtime.read_tls_fallback")
}
if Buildmode == BuildmodeShared {
if d.ctxt.BuildMode == BuildModeShared {
// Mark all symbols defined in this library as reachable when
// building a shared library.
for _, s := range d.ctxt.Syms.Allsym {
@ -217,11 +217,11 @@ func (d *deadcodepass) init() {
// In a normal binary, start at main.main and the init
// functions and mark what is reachable from there.
if *FlagLinkshared && (Buildmode == BuildmodeExe || Buildmode == BuildmodePIE) {
if *FlagLinkshared && (d.ctxt.BuildMode == BuildModeExe || d.ctxt.BuildMode == BuildModePIE) {
names = append(names, "main.main", "main.init")
} else {
// The external linker refers main symbol directly.
if Linkmode == LinkExternal && (Buildmode == BuildmodeExe || Buildmode == BuildmodePIE) {
if d.ctxt.LinkMode == LinkExternal && (d.ctxt.BuildMode == BuildModeExe || d.ctxt.BuildMode == BuildModePIE) {
if Headtype == objabi.Hwindows && d.ctxt.Arch.Family == sys.I386 {
*flagEntrySymbol = "_main"
} else {
@ -229,7 +229,7 @@ func (d *deadcodepass) init() {
}
}
names = append(names, *flagEntrySymbol)
if Buildmode == BuildmodePlugin {
if d.ctxt.BuildMode == BuildModePlugin {
names = append(names, *flagPluginPath+".init", *flagPluginPath+".main", "go.plugin.tabs")
// We don't keep the go.plugin.exports symbol,