runtime: fix build for non-split-stack systems
Change memory allocation accounting for stacks to use stacks_sys,
since that seems to be what it is for.
Change-Id: I9875af55e00f20e629aba2b321a3f12071e95fc6
Reviewed-on: https://go-review.googlesource.com/43297
Reviewed-by: Than McIntosh <thanm@google.com>
diff --git a/libgo/go/runtime/runtime2.go b/libgo/go/runtime/runtime2.go
index 8deb620..8bfdcbc 100644
--- a/libgo/go/runtime/runtime2.go
+++ b/libgo/go/runtime/runtime2.go
@@ -793,3 +793,10 @@
// sigset is the Go version of the C type sigset_t.
// _sigset_t is defined by the Makefile from <signal.h>.
type sigset _sigset_t
+
+// getMemstats returns a pointer to the internal memstats variable,
+// for C code.
+//go:linkname getMemstats runtime.getMemstats
+func getMemstats() *mstats {
+ return &memstats
+}
diff --git a/libgo/runtime/proc.c b/libgo/runtime/proc.c
index cc56642..14ee673 100644
--- a/libgo/runtime/proc.c
+++ b/libgo/runtime/proc.c
@@ -406,6 +406,8 @@
__asm__(GOSYM_PREFIX "runtime.globrunqput");
extern P* pidleget(void)
__asm__(GOSYM_PREFIX "runtime.pidleget");
+extern struct mstats* getMemstats(void)
+ __asm__(GOSYM_PREFIX "runtime.getMemstats");
bool runtime_isstarted;
@@ -726,7 +728,7 @@
// 32-bit mode, the Go allocation space is all of
// memory anyhow.
if(sizeof(void*) == 8) {
- void *p = runtime_sysAlloc(stacksize, &mstats()->other_sys);
+ void *p = runtime_sysAlloc(stacksize, &getMemstats()->stacks_sys);
if(p == nil)
runtime_throw("runtime: cannot allocate memory for goroutine stack");
*ret_stack = (byte*)p;
diff --git a/libgo/runtime/stack.c b/libgo/runtime/stack.c
index 98f98fe..1ce30db 100644
--- a/libgo/runtime/stack.c
+++ b/libgo/runtime/stack.c
@@ -80,7 +80,6 @@
scanstackblock(sp, (uintptr)(spsize), gcw);
}
#else
- M *mp;
byte* bottom;
byte* top;