diff --git a/src/runtime/cgo/gcc_arm.S b/src/runtime/cgo/gcc_arm.S
index 474fc23a39..3df8143aa7 100644
--- a/src/runtime/cgo/gcc_arm.S
+++ b/src/runtime/cgo/gcc_arm.S
@@ -5,14 +5,14 @@
 .file "gcc_arm.S"
 
 /*
- * void crosscall_arm1(void (*fn)(void), void (*setg_gcc)(void *g), void *g)
+ * void crosscall1(void (*fn)(void), void (*setg_gcc)(void *g), void *g)
  *
- * Calling into the 5c tool chain, where all registers are caller save.
+ * Calling into the gc tool chain, where all registers are caller save.
  * Called from standard ARM EABI, where r4-r11 are callee-save, so they
  * must be saved explicitly.
  */
-.globl crosscall_arm1
-crosscall_arm1:
+.globl crosscall1
+crosscall1:
 	push {r4, r5, r6, r7, r8, r9, r10, r11, ip, lr}
 	mov r4, r0
 	mov r5, r1
diff --git a/src/runtime/cgo/gcc_freebsd_arm.c b/src/runtime/cgo/gcc_freebsd_arm.c
index 3fcae03d51..344531007c 100644
--- a/src/runtime/cgo/gcc_freebsd_arm.c
+++ b/src/runtime/cgo/gcc_freebsd_arm.c
@@ -56,7 +56,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
 	}
 }
 
-extern void crosscall_arm1(void (*fn)(void), void (*setg_gcc)(void*), void *g);
+extern void crosscall1(void (*fn)(void), void (*setg_gcc)(void*), void *g);
 static void*
 threadentry(void *v)
 {
@@ -65,6 +65,6 @@ threadentry(void *v)
 	ts = *(ThreadStart*)v;
 	free(v);
 
-	crosscall_arm1(ts.fn, setg_gcc, (void*)ts.g);
+	crosscall1(ts.fn, setg_gcc, (void*)ts.g);
 	return nil;
 }
diff --git a/src/runtime/cgo/gcc_linux_arm.c b/src/runtime/cgo/gcc_linux_arm.c
index 6a7e3bea04..6ebb6c82f6 100644
--- a/src/runtime/cgo/gcc_linux_arm.c
+++ b/src/runtime/cgo/gcc_linux_arm.c
@@ -38,7 +38,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
 	}
 }
 
-extern void crosscall_arm1(void (*fn)(void), void (*setg_gcc)(void*), void *g);
+extern void crosscall1(void (*fn)(void), void (*setg_gcc)(void*), void *g);
 static void*
 threadentry(void *v)
 {
@@ -47,7 +47,7 @@ threadentry(void *v)
 	ts = *(ThreadStart*)v;
 	free(v);
 
-	crosscall_arm1(ts.fn, setg_gcc, (void*)ts.g);
+	crosscall1(ts.fn, setg_gcc, (void*)ts.g);
 	return nil;
 }
 
diff --git a/src/runtime/cgo/gcc_netbsd_arm.c b/src/runtime/cgo/gcc_netbsd_arm.c
index 13fb47df3b..5f4e1fae4e 100644
--- a/src/runtime/cgo/gcc_netbsd_arm.c
+++ b/src/runtime/cgo/gcc_netbsd_arm.c
@@ -46,7 +46,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
 	}
 }
 
-extern void crosscall_arm1(void (*fn)(void), void (*setg_gcc)(void*), void *g);
+extern void crosscall1(void (*fn)(void), void (*setg_gcc)(void*), void *g);
 static void*
 threadentry(void *v)
 {
@@ -67,6 +67,6 @@ threadentry(void *v)
 	ss.ss_flags = SS_DISABLE;
 	sigaltstack(&ss, nil);
 
-	crosscall_arm1(ts.fn, setg_gcc, (void*)ts.g);
+	crosscall1(ts.fn, setg_gcc, (void*)ts.g);
 	return nil;
 }
diff --git a/src/runtime/cgo/gcc_openbsd_arm.c b/src/runtime/cgo/gcc_openbsd_arm.c
index b28f7faced..457f71a192 100644
--- a/src/runtime/cgo/gcc_openbsd_arm.c
+++ b/src/runtime/cgo/gcc_openbsd_arm.c
@@ -45,7 +45,7 @@ _cgo_sys_thread_start(ThreadStart *ts)
 	}
 }
 
-extern void crosscall_arm1(void (*fn)(void), void (*setg_gcc)(void*), void *g);
+extern void crosscall1(void (*fn)(void), void (*setg_gcc)(void*), void *g);
 
 static void*
 threadentry(void *v)
@@ -55,6 +55,6 @@ threadentry(void *v)
 	ts = *(ThreadStart*)v;
 	free(v);
 
-	crosscall_arm1(ts.fn, setg_gcc, (void*)ts.g);
+	crosscall1(ts.fn, setg_gcc, (void*)ts.g);
 	return nil;
 }