Use _nuname on 32-bit Solaris 2/x86.

From-SVN: r170761

libgo/Makefile.am

@@ -1201,6 +1201,18 @@ else
 syscall_socket_epoll_file =
 endif
 
+# Support for uname.
+if LIBGO_IS_SOLARIS
+if LIBGO_IS_386
+# 32-bit Solaris 2/x86 needs _nuname, handled in syscall_solaris_386.go.
+syscall_uname_file =
+else # !LIBGO_IS_386 && LIBGO_IS_SOLARIS
+syscall_uname_file = syscalls/syscall_uname.go
+endif
+else # !LIBGO_IS_SOLARIS
+syscall_uname_file = syscalls/syscall_uname.go
+endif
+
 syscall_arch.go: s-syscall_arch; @true
 s-syscall_arch: Makefile
 	rm -f syscall_arch.go.tmp
@@ -1222,6 +1234,7 @@ go_syscall_files = \
 	$(syscall_socket_os_file) \
 	$(syscall_socket_epoll_file) \
 	$(syscall_syscall_file) \
+	$(syscall_uname_file) \
 	syscalls/syscall_unix.go \
 	syscalls/stringbyte.go \
 	syscalls/syscall_$(GOOS).go \

libgo/Makefile.in

@@ -1563,6 +1563,12 @@ go_testing_script_files = \
 
 # Support for epoll.
 @LIBGO_IS_LINUX_TRUE@syscall_socket_epoll_file = syscalls/socket_epoll.go
+@LIBGO_IS_386_FALSE@@LIBGO_IS_SOLARIS_TRUE@syscall_uname_file = syscalls/syscall_uname.go
+
+# Support for uname.
+# 32-bit Solaris 2/x86 needs _nuname, handled in syscall_solaris_386.go.
+@LIBGO_IS_386_TRUE@@LIBGO_IS_SOLARIS_TRUE@syscall_uname_file = 
+@LIBGO_IS_SOLARIS_FALSE@syscall_uname_file = syscalls/syscall_uname.go
 go_syscall_files = \
 	$(syscall_errstr_file) \
 	$(syscall_errstr_decl_file) \
@@ -1575,6 +1581,7 @@ go_syscall_files = \
 	$(syscall_socket_os_file) \
 	$(syscall_socket_epoll_file) \
 	$(syscall_syscall_file) \
+	$(syscall_uname_file) \
 	syscalls/syscall_unix.go \
 	syscalls/stringbyte.go \
 	syscalls/syscall_$(GOOS).go \

libgo/syscalls/syscall_solaris_386.go

@@ -15,3 +15,6 @@ func libc_ptrace(request int, pid Pid_t, addr uintptr, data *byte) int __asm__ (
 
 var dummy *byte
 const sizeofPtr uintptr = uintptr(unsafe.Sizeof(dummy))
+
+// 32-bit Solaris 2/x86 needs to use _nuname internally, cf. <sys/utsname.h>.
+func libc_uname(buf *Utsname) (errno int) __asm__("_nuname")

libgo/syscalls/syscall_uname.go

+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package syscall
+
+func libc_uname(buf *Utsname) (errno int) __asm__("uname")

libgo/syscalls/syscall_unix.go

@@ -15,8 +15,6 @@ const ENONE = 0
 func GetErrno() int
 func SetErrno(int)
 
-func libc_uname(buf *Utsname) (errno int) __asm__("uname")
-
 func Uname(buf *Utsname) (errno int) {
 	r := libc_uname(buf)
 	if r < 0 {