runtime, cmd/dist, misc/cgo: enable c-archive for aix/ppc64

Change-Id: Ib9a40d5596f5735a00483e2d2db965402f05671b
Reviewed-on: https://go-review.googlesource.com/c/go/+/169120
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

12 files changed, 19 insertions, 0 deletions

diff --git a/src/runtime/os3_solaris.go b/src/runtime/os3_solaris.go
index 11d2c9b098..b5f8a7c042 100644
--- a/src/runtime/os3_solaris.go
+++ b/src/runtime/os3_solaris.go
@@ -273,6 +273,7 @@ func sigdelset(mask *sigset, i int) {
 	mask.__sigbits[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31)
 }
 
+//go:nosplit
 func (c *sigctxt) fixsigcode(sig uint32) {
 }
 
diff --git a/src/runtime/os_aix.go b/src/runtime/os_aix.go
index faec9ac113..197869f989 100644
--- a/src/runtime/os_aix.go
+++ b/src/runtime/os_aix.go
@@ -296,7 +296,15 @@ func setSignalstackSP(s *stackt, sp uintptr) {
 	*(*uintptr)(unsafe.Pointer(&s.ss_sp)) = sp
 }
 
+//go:nosplit
 func (c *sigctxt) fixsigcode(sig uint32) {
+	switch sig {
+	case _SIGPIPE:
+		// For SIGPIPE, c.sigcode() isn't set to _SI_USER as on Linux.
+		// Therefore, raisebadsignal won't raise SIGPIPE again if
+		// it was deliver in a non-Go thread.
+		c.set_sigcode(_SI_USER)
+	}
 }
 
 //go:nosplit
diff --git a/src/runtime/os_dragonfly.go b/src/runtime/os_dragonfly.go
index eb7e159d35..4fda7ea806 100644
--- a/src/runtime/os_dragonfly.go
+++ b/src/runtime/os_dragonfly.go
@@ -252,6 +252,7 @@ func sigdelset(mask *sigset, i int) {
 	mask.__bits[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31)
 }
 
+//go:nosplit
 func (c *sigctxt) fixsigcode(sig uint32) {
 }
 
diff --git a/src/runtime/os_freebsd.go b/src/runtime/os_freebsd.go
index ba0afa23bf..cbb72cf55e 100644
--- a/src/runtime/os_freebsd.go
+++ b/src/runtime/os_freebsd.go
@@ -365,6 +365,7 @@ func sigdelset(mask *sigset, i int) {
 	mask.__bits[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31)
 }
 
+//go:nosplit
 func (c *sigctxt) fixsigcode(sig uint32) {
 }
 
diff --git a/src/runtime/os_linux.go b/src/runtime/os_linux.go
index 8f3afe0577..a817020c90 100644
--- a/src/runtime/os_linux.go
+++ b/src/runtime/os_linux.go
@@ -395,6 +395,7 @@ func setSignalstackSP(s *stackt, sp uintptr) {
 	*(*uintptr)(unsafe.Pointer(&s.ss_sp)) = sp
 }
 
+//go:nosplit
 func (c *sigctxt) fixsigcode(sig uint32) {
 }
 
diff --git a/src/runtime/os_netbsd.go b/src/runtime/os_netbsd.go
index fa3c9fa649..da024cd309 100644
--- a/src/runtime/os_netbsd.go
+++ b/src/runtime/os_netbsd.go
@@ -328,6 +328,7 @@ func sigdelset(mask *sigset, i int) {
 	mask.__bits[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31)
 }
 
+//go:nosplit
 func (c *sigctxt) fixsigcode(sig uint32) {
 }
 
diff --git a/src/runtime/os_openbsd.go b/src/runtime/os_openbsd.go
index 42fe315bcd..2d6334ec86 100644
--- a/src/runtime/os_openbsd.go
+++ b/src/runtime/os_openbsd.go
@@ -302,6 +302,7 @@ func sigdelset(mask *sigset, i int) {
 	*mask &^= 1 << (uint32(i) - 1)
 }
 
+//go:nosplit
 func (c *sigctxt) fixsigcode(sig uint32) {
 }
 
diff --git a/src/runtime/signal_darwin_386.go b/src/runtime/signal_darwin_386.go
index c162959c12..3dc5334997 100644
--- a/src/runtime/signal_darwin_386.go
+++ b/src/runtime/signal_darwin_386.go
@@ -40,6 +40,7 @@ func (c *sigctxt) set_esp(x uint32)     { c.regs().esp = x }
 func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
 func (c *sigctxt) set_sigaddr(x uint32) { c.info.si_addr = x }
 
+//go:nosplit
 func (c *sigctxt) fixsigcode(sig uint32) {
 	switch sig {
 	case _SIGTRAP:
diff --git a/src/runtime/signal_darwin_amd64.go b/src/runtime/signal_darwin_amd64.go
index 40de4812b8..abc212ad51 100644
--- a/src/runtime/signal_darwin_amd64.go
+++ b/src/runtime/signal_darwin_amd64.go
@@ -48,6 +48,7 @@ func (c *sigctxt) set_rsp(x uint64)     { c.regs().rsp = x }
 func (c *sigctxt) set_sigcode(x uint64) { c.info.si_code = int32(x) }
 func (c *sigctxt) set_sigaddr(x uint64) { c.info.si_addr = x }
 
+//go:nosplit
 func (c *sigctxt) fixsigcode(sig uint32) {
 	switch sig {
 	case _SIGTRAP:
diff --git a/src/runtime/signal_darwin_arm.go b/src/runtime/signal_darwin_arm.go
index 9a5d3ac5bb..9098b1053d 100644
--- a/src/runtime/signal_darwin_arm.go
+++ b/src/runtime/signal_darwin_arm.go
@@ -50,6 +50,7 @@ func (c *sigctxt) set_r10(x uint32) { c.regs().r[10] = x }
 func (c *sigctxt) set_sigcode(x uint32) { c.info.si_code = int32(x) }
 func (c *sigctxt) set_sigaddr(x uint32) { c.info.si_addr = x }
 
+//go:nosplit
 func (c *sigctxt) fixsigcode(sig uint32) {
 	switch sig {
 	case _SIGTRAP:
diff --git a/src/runtime/signal_darwin_arm64.go b/src/runtime/signal_darwin_arm64.go
index 41b8fcaab9..690ffe4ae2 100644
--- a/src/runtime/signal_darwin_arm64.go
+++ b/src/runtime/signal_darwin_arm64.go
@@ -67,6 +67,7 @@ func (c *sigctxt) set_sigaddr(x uint64) {
 	c.info.si_addr = (*byte)(unsafe.Pointer(uintptr(x)))
 }
 
+//go:nosplit
 func (c *sigctxt) fixsigcode(sig uint32) {
 	switch sig {
 	case _SIGTRAP:
diff --git a/src/runtime/signal_unix.go b/src/runtime/signal_unix.go
index 8814f7836d..1dd56989b4 100644
--- a/src/runtime/signal_unix.go
+++ b/src/runtime/signal_unix.go
@@ -296,6 +296,7 @@ func sigtrampgo(sig uint32, info *siginfo, ctx unsafe.Pointer) {
 			sigprofNonGoPC(c.sigpc())
 			return
 		}
+		c.fixsigcode(sig)
 		badsignal(uintptr(sig), c)
 		return
 	}