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| author | Cherry Zhang <cherryyz@google.com> | 2020-10-28 09:12:20 -0400 |
|---|---|---|
| committer | Cherry Zhang <cherryyz@google.com> | 2020-10-28 09:12:20 -0400 |
| commit | a16e30d162c1c7408db7821e7b9513cefa09c6ca (patch) | |
| tree | af752ba9ba44c547df39bb0af9bff79f610ba9d5 /src/cmd/link/internal/ld/main.go | |
| parent | 91e4d2d57bc341dd82c98247117114c851380aef (diff) | |
| parent | cf6cfba4d5358404dd890f6025e573a4b2156543 (diff) | |
| download | go-git-dev.link.tar.gz | |
[dev.link] all: merge branch 'master' into dev.linkdev.link
Clean merge.
Change-Id: Ia7b2808bc649790198d34c226a61d9e569084dc5
Diffstat (limited to 'src/cmd/link/internal/ld/main.go')
| -rw-r--r-- | src/cmd/link/internal/ld/main.go | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/src/cmd/link/internal/ld/main.go b/src/cmd/link/internal/ld/main.go index 778b0e9245..5c8293810f 100644 --- a/src/cmd/link/internal/ld/main.go +++ b/src/cmd/link/internal/ld/main.go @@ -36,14 +36,12 @@ import ( "cmd/internal/objabi" "cmd/internal/sys" "cmd/link/internal/benchmark" - "cmd/link/internal/loader" "flag" "log" "os" "runtime" "runtime/pprof" "strings" - "sync" ) var ( @@ -67,6 +65,7 @@ var ( flagDumpDep = flag.Bool("dumpdep", false, "dump symbol dependency graph") flagRace = flag.Bool("race", false, "enable race detector") flagMsan = flag.Bool("msan", false, "enable MSan interface") + flagAslr = flag.Bool("aslr", true, "enable ASLR for buildmode=c-shared on windows") flagFieldTrack = flag.String("k", "", "set field tracking `symbol`") flagLibGCC = flag.String("libgcc", "", "compiler support lib for internal linking; use \"none\" to disable") @@ -159,11 +158,16 @@ func Main(arch *sys.Arch, theArch Arch) { ctxt.HeadType.Set(objabi.GOOS) } + if !*flagAslr && ctxt.BuildMode != BuildModeCShared { + Errorf(nil, "-aslr=false is only allowed for -buildmode=c-shared") + usage() + } + checkStrictDups = *FlagStrictDups startProfile() if ctxt.BuildMode == BuildModeUnset { - ctxt.BuildMode = BuildModeExe + ctxt.BuildMode.Set("exe") } if ctxt.BuildMode != BuildModeShared && flag.NArg() != 1 { @@ -325,16 +329,14 @@ func Main(arch *sys.Arch, theArch Arch) { // will be applied directly there. bench.Start("Asmb") asmb(ctxt) - // Generate large symbols. - var wg sync.WaitGroup - for s, f := range ctxt.generatorSyms { - wg.Add(1) - go func(f generatorFunc, s loader.Sym) { - defer wg.Done() - f(ctxt, s) - }(f, s) + + // Generate additional symbols for the native symbol table just prior + // to code generation. + bench.Start("GenSymsLate") + if thearch.GenSymsLate != nil { + thearch.GenSymsLate(ctxt, ctxt.loader) } - wg.Wait() + bench.Start("Asmb2") asmb2(ctxt) |