ARM: Mes C Library: Support abort.

* lib/stdlib/abort.c (abort): Support Arm. * lib/arm-mes/arm.M1 (wfi): New macro.
2019-03-03 18:08:38 +01:00 · 2019-03-03 18:08:38 +01:00 · 92d60477c5
parent 705be3f917
commit 92d60477c5
2 changed files with 8 additions and 0 deletions
--- a/lib/arm-mes/arm.M1
+++ b/lib/arm-mes/arm.M1
@ -374,3 +374,5 @@ DEFINE add____$i32,%r2 04909fe5092092e0000000ea
 # WERT: nop
 # WERTD:
 DEFINE strb___%r0,0x32(%ebp) 08909fe50b9089e00000c9e5000000ea
+
+DEFINE wfi bf30
--- a/lib/stdlib/abort.c
+++ b/lib/stdlib/abort.c
@ -21,5 +21,11 @@
 void
 abort (void)
 {
+#if __arm__
+  asm ("wfi");
+#else
  asm ("hlt");
+#endif
+  // not reached
+  exit (77);
 }