1 files changed, 0 insertions, 67 deletions
diff --git a/src/runtime/sys_windows_arm.s b/src/runtime/sys_windows_arm.s
index 8914a2688f..8073fc0198 100644
--- a/src/runtime/sys_windows_arm.s
+++ b/src/runtime/sys_windows_arm.s
@@ -233,73 +233,6 @@ TEXT runtime·lastcontinuetramp<ABIInternal>(SB),NOSPLIT|NOFRAME,$0
 	MOVW	$runtime·lastcontinuehandler(SB), R1
 	B	sigtramp<>(SB)
 
-// int32 externalthreadhandler(uint32 arg, int (*func)(uint32))
-// stack layout:
-//   +----------------+
-//   | callee-save    |
-//   | registers      |
-//   +----------------+
-//   | m              |
-//   +----------------+
-// 20| g              |
-//   +----------------+
-// 16| func ptr (r1)  |
-//   +----------------+
-// 12| argument (r0)  |
-//---+----------------+
-// 8 | param1         | (also return value for called Go function)
-//   +----------------+
-// 4 | param0         |
-//   +----------------+
-// 0 | slot for LR    |
-//   +----------------+
-//
-TEXT runtime·externalthreadhandler<ABIInternal>(SB),NOSPLIT|NOFRAME|TOPFRAME,$0
-	MOVM.DB.W [R4-R11, R14], (R13)		// push {r4-r11, lr}
-	SUB	$(m__size + g__size + 20), R13	// space for locals
-	MOVW	R14, 0(R13)			// push LR again for anything unwinding the stack
-	MOVW	R0, 12(R13)
-	MOVW	R1, 16(R13)
-
-	// zero out m and g structures
-	ADD	$20, R13, R0			// compute pointer to g
-	MOVW	R0, 4(R13)
-	MOVW	$(m__size + g__size), R0
-	MOVW	R0, 8(R13)
-	BL	runtime·memclrNoHeapPointers(SB)
-
-	// initialize m and g structures
-	ADD	$20, R13, R2			// R2 = g
-	ADD	$(20 + g__size), R13, R3	// R3 = m
-	MOVW	R2, m_g0(R3)			// m->g0 = g
-	MOVW	R3, g_m(R2)			// g->m = m
-	MOVW	R2, m_curg(R3)			// m->curg = g
-
-	MOVW	R2, g
-	BL	runtime·save_g(SB)
-
-	// set up stackguard stuff
-	MOVW	R13, R0
-	MOVW	R0, g_stack+stack_hi(g)
-	SUB	$(32*1024), R0
-	MOVW	R0, (g_stack+stack_lo)(g)
-	MOVW	R0, g_stackguard0(g)
-	MOVW	R0, g_stackguard1(g)
-
-	// move argument into position and call function
-	MOVW	12(R13), R0
-	MOVW	R0, 4(R13)
-	MOVW	16(R13), R1
-	BL	(R1)
-
-	// clear g
-	MOVW	$0, g
-	BL	runtime·save_g(SB)
-
-	MOVW	8(R13), R0			// load return value
-	ADD	$(m__size + g__size + 20), R13	// free locals
-	MOVM.IA.W (R13), [R4-R11, R15]		// pop {r4-r11, pc}
-
 GLOBL runtime·cbctxts(SB), NOPTR, $4
 
 TEXT runtime·callbackasm1<ABIInternal>(SB),NOSPLIT|NOFRAME,$0