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runtime: add isarchive, set by the linker

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According to Go execution modes, a Go program compiled with
-buildmode=c-archive has a main function, but it is ignored on run.
This gives the runtime the information it needs not to run the main.

I have this working with pending linker changes on darwin/amd64.

Change-Id: I49bd7d65aa619ec847c464a872afa5deea7d4d30
Reviewed-on: https://go-review.googlesource.com/8701
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: David Crawshaw <crawshaw@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
David Crawshaw 2015-04-09 15:09:52 -04:00
parent d340b10366
commit d1b1eee280
2 changed files with 10 additions and 2 deletions
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7
src/runtime/runtime2.go
View file

@ -621,9 +621,12 @@ var (
cpuid_ecx uint32
cpuid_edx uint32
lfenceBeforeRdtsc bool
)
// Set by the linker when linking with -shared.
islibrary bool
// Set by the linker so the runtime can determine the buildmode.
var (
islibrary bool // -buildmode=c-shared
isarchive bool // -buildmode=c-archive
)
/*