sandbox: Add support for calling abort()

This function is useful to signal that the application needs to exit
immediate. It can be caught with a debugger (e.g. gdb). Add a stub for it
so that it can be called from within sandbox when an internal error
occurs.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>

diff --git a/arch/sandbox/cpu/os.c b/arch/sandbox/cpu/os.c
index a1a982af2de605e3048f460a5a8afbbb6b1ec710..ca8d924cd65a9eaa4a48f1fe439176b266ac6fda 100644 (file)
--- a/arch/sandbox/cpu/os.c
+++ b/arch/sandbox/cpu/os.c
@@ -652,3 +652,8 @@ void os_longjmp(ulong *jmp, int ret)
 {
        longjmp((struct __jmp_buf_tag *)jmp, ret);
 }
+
+void os_abort(void)
+{
+       abort();
+}

diff --git a/include/os.h b/include/os.h
index c8e0f52d306345ac91d2a57d3dffe913e98e3764..e850f879ec3bfb714597ed81b53cbf259bec9caa 100644 (file)
--- a/include/os.h
+++ b/include/os.h
@@ -351,4 +351,8 @@ int os_setjmp(ulong *jmp, int size);
  */
 void os_longjmp(ulong *jmp, int ret);
 
+/**
+ * os_abort() - Raise SIGABRT to exit sandbox (e.g. to debugger)
+ */
+void os_abort(void);
 #endif