Add the frame information to cpu_switch to allow us to unwind out of it,

for example when dumping threads in the kernel debugger.
2013-08-25 11:23:38 +00:00 · 2013-08-25 11:23:38 +00:00 · 85e8977a2c
commit 85e8977a2c
parent da154710c4
1 changed files with 5 additions and 0 deletions
--- a/sys/arm/arm/swtch.S
+++ b/sys/arm/arm/swtch.S
@ -218,6 +218,11 @@ END(cpu_throw)
 ENTRY(cpu_switch)
 	stmfd	sp!, {r4-r7, lr}
 	sub	sp, sp, #4;
+#ifdef __ARM_EABI__
+	.save	{r4-r7, lr}
+	.pad	#4
+#endif
+
 	mov	r6, r2 /* Save the mutex */

 .Lswitch_resume: