Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 48 insertions, 0 deletions

diff --git a/gcc-4.9/libgo/runtime/mem_posix_memalign.c b/gcc-4.9/libgo/runtime/mem_posix_memalign.c
new file mode 100644
index 000000000..8acdf0705
--- /dev/null
+++ b/gcc-4.9/libgo/runtime/mem_posix_memalign.c
@@ -0,0 +1,48 @@
+#include <errno.h>
+
+#include "runtime.h"
+#include "arch.h"
+#include "malloc.h"
+
+void*
+runtime_SysAlloc(uintptr n)
+{
+	void *p;
+
+	mstats.sys += n;
+	errno = posix_memalign(&p, PageSize, n);
+	if (errno > 0) {
+		perror("posix_memalign");
+		exit(2);
+	}
+	return p;
+}
+
+void
+runtime_SysUnused(void *v, uintptr n)
+{
+	USED(v);
+	USED(n);
+	// TODO(rsc): call madvise MADV_DONTNEED
+}
+
+void
+runtime_SysFree(void *v, uintptr n)
+{
+	mstats.sys -= n;
+	free(v);
+}
+
+void*
+runtime_SysReserve(void *v, uintptr n)
+{
+	USED(v);
+	return runtime_SysAlloc(n);
+}
+
+void
+runtime_SysMap(void *v, uintptr n)
+{
+	USED(v);
+	USED(n);
+}