runtime: various arm fixes

  * correct symbol table size
  * do not reorder functions in output
  * traceback
  * signal handling
  * use same code for go + defer
  * handle leaf functions in symbol table

R=kaib, dpx
CC=golang-dev
http://codereview.appspot.com/884041

1 files changed, 7 insertions, 7 deletions

diff --git a/src/pkg/runtime/arm/softfloat.c b/src/pkg/runtime/arm/softfloat.c
index a71b25113..50ccd1546 100644
--- a/src/pkg/runtime/arm/softfloat.c
+++ b/src/pkg/runtime/arm/softfloat.c
@@ -4,24 +4,24 @@
 
 #include "runtime.h"
 
-// returns number of bytes that the fp instruction is occupying
+// returns number of words that the fp instruction is occupying
 static uint32
 isfltinstr(uint32 *pc)
 {
 	uint32 i;
 	uint32 c;
-	
+
 	i = *pc;
 	c = i >> 25 & 7;
-	
+
 	switch(c) {
 	case 6: // 110
 //printf(" %p coproc multi: %x\n", pc, i);
-		return 4;
+		return 1;
 	case 7: // 111
 		if (i>>24 & 1) return 0; // ignore swi
 //printf(" %p coproc %x\n", pc, i);
-		return 4;
+		return 1;
 	}
 
 	// lookahead for virtual instructions that span multiple arm instructions
@@ -30,7 +30,7 @@ isfltinstr(uint32 *pc)
 		((*(pc + 2) & 0x0f000000) >> 24);
 	if(c == 0x50d) {
 //printf(" %p coproc const %x\n", pc, i);
-		return 12;
+		return 3;
 	}
 
 //printf(" %p %x\n", pc, i);
@@ -42,7 +42,7 @@ uint32*
 _sfloat2(uint32 *lr, uint32 r0)
 {
 	uint32 skip;
-	
+
 //printf("softfloat: pre %p\n", lr);
 	while(skip = isfltinstr(lr))
 		lr += skip;