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, 16 insertions, 15 deletions

diff --git a/src/pkg/runtime/linux/defs_arm.c b/src/pkg/runtime/linux/defs_arm.c
index eaec05154..01d6bfcdc 100644
--- a/src/pkg/runtime/linux/defs_arm.c
+++ b/src/pkg/runtime/linux/defs_arm.c
@@ -4,8 +4,7 @@
 
 /*
  * Input to godefs
-	godefs -carm-gcc -f -I/usr/local/google/src/linux-2.6.28/arch/arm/include -f
- -I/usr/local/google/src/linux-2.6.28/include defs_arm.c >arm/defs.h
+	godefs -carm-gcc -f -I/usr/local/google/src/linux-2.6.28/arch/arm/include -f -I/usr/local/google/src/linux-2.6.28/include -f-D__KERNEL__ -f-D__ARCH_SI_UID_T=int defs_arm.c >arm/defs.h
 
  * Another input file for ARM defs.h
  */
@@ -14,6 +13,7 @@
 #include <asm/mman.h>
 #include <asm/sigcontext.h>
 #include <asm/ucontext.h>
+#include <asm/siginfo.h>
 
 /*
 #include <sys/signal.h>
@@ -38,17 +38,18 @@ enum {
 	$SA_SIGINFO = SA_SIGINFO
 };
 
-
-
-
-//typedef struct _fpreg $Fpreg;
-//typedef struct _fpxreg $Fpxreg;
-//typedef struct _xmmreg $Xmmreg;
-//typedef struct _fpstate $Fpstate;
+typedef sigset_t $Sigset;
+typedef struct sigaction $Sigaction;
 typedef struct timespec $Timespec;
-//typedef struct timeval $Timeval;
-// typedef struct sigaction $Sigaction;
-// typedef siginfo_t $Siginfo;
-// typedef struct sigaltstack $Sigaltstack;
-// typedef struct sigcontext $Sigcontext;
-// typedef struct ucontext $Ucontext;
+typedef struct sigaltstack $Sigaltstack;
+typedef struct sigcontext $Sigcontext;
+typedef struct ucontext $Ucontext;
+
+struct xsiginfo {
+	int si_signo;
+	int si_errno;
+	int si_code;
+	char _sifields[4];
+};
+
+typedef struct xsiginfo $Siginfo;