all: enable c-shared/c-archive support for freebsd/amd64

Fixes #14327
Much of the code is based on the linux/amd64 code that implements these
build modes, and code is shared where possible.

Change-Id: Ia510f2023768c0edbc863aebc585929ec593b332
Reviewed-on: https://go-review.googlesource.com/93875
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tim Wright 2018-02-13 19:00:17 -08:00 committed by Ian Lance Taylor
parent ff5cf43df5
commit 88129f0cb2
21 changed files with 357 additions and 53 deletions

View file

@ -484,7 +484,10 @@ func raisebadsignal(sig uint32, c *sigctxt) {
// re-installing sighandler. At this point we can just
// return and the signal will be re-raised and caught by
// the default handler with the correct context.
if (isarchive || islibrary) && handler == _SIG_DFL && c.sigcode() != _SI_USER {
//
// On FreeBSD, the libthr sigaction code prevents
// this from working so we fall through to raise.
if GOOS != "freebsd" && (isarchive || islibrary) && handler == _SIG_DFL && c.sigcode() != _SI_USER {
return
}