From 998f90544540ee563d69369a3dfa80944f2269bf Mon Sep 17 00:00:00 2001
From: Andrew Boie <andrew.p.boie@intel.com>
Date: Wed, 7 Jun 2017 10:40:29 -0700
Subject: [PATCH] arches: declare _SysFatalErrorHandler __weak

This function is intended to be easily overridable by applications.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
---
 arch/arc/core/sys_fatal_error_handler.c | 4 ++--
 arch/arm/core/sys_fatal_error_handler.c | 2 +-
 arch/nios2/core/fatal.c                 | 4 ++--
 arch/riscv32/core/fatal.c               | 3 ++-
 arch/x86/core/sys_fatal_error_handler.c | 2 +-
 arch/xtensa/core/fatal.c                | 2 +-
 6 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/arch/arc/core/sys_fatal_error_handler.c b/arch/arc/core/sys_fatal_error_handler.c
index 35b768f2b18..09f6c34690d 100644
--- a/arch/arc/core/sys_fatal_error_handler.c
+++ b/arch/arc/core/sys_fatal_error_handler.c
@@ -37,8 +37,8 @@
  *
  * @return N/A
  */
-FUNC_NORETURN void _SysFatalErrorHandler(unsigned int reason,
-					 const NANO_ESF *pEsf)
+FUNC_NORETURN __weak void _SysFatalErrorHandler(unsigned int reason,
+						const NANO_ESF *pEsf)
 {
 	ARG_UNUSED(pEsf);
 
diff --git a/arch/arm/core/sys_fatal_error_handler.c b/arch/arm/core/sys_fatal_error_handler.c
index 6684f76d15e..594cefbfa4b 100644
--- a/arch/arm/core/sys_fatal_error_handler.c
+++ b/arch/arm/core/sys_fatal_error_handler.c
@@ -38,7 +38,7 @@
  *
  * @return N/A
  */
-void _SysFatalErrorHandler(unsigned int reason,
+void __weak _SysFatalErrorHandler(unsigned int reason,
 					 const NANO_ESF *pEsf)
 {
 	ARG_UNUSED(pEsf);
diff --git a/arch/nios2/core/fatal.c b/arch/nios2/core/fatal.c
index ee9664e18e0..5a8d5e020d9 100644
--- a/arch/nios2/core/fatal.c
+++ b/arch/nios2/core/fatal.c
@@ -220,8 +220,8 @@ FUNC_NORETURN void _Fault(const NANO_ESF *esf)
  *
  * @return N/A
  */
-FUNC_NORETURN void _SysFatalErrorHandler(unsigned int reason,
-					 const NANO_ESF *pEsf)
+FUNC_NORETURN __weak void _SysFatalErrorHandler(unsigned int reason,
+						const NANO_ESF *pEsf)
 {
 	ARG_UNUSED(pEsf);
 
diff --git a/arch/riscv32/core/fatal.c b/arch/riscv32/core/fatal.c
index 91cc61d4de0..158a3aba1a4 100644
--- a/arch/riscv32/core/fatal.c
+++ b/arch/riscv32/core/fatal.c
@@ -134,7 +134,8 @@ FUNC_NORETURN void _NanoFatalErrorHandler(unsigned int reason,
  *
  * @return N/A
  */
-void _SysFatalErrorHandler(unsigned int reason, const NANO_ESF *esf)
+FUNC_NORETURN __weak void _SysFatalErrorHandler(unsigned int reason,
+						const NANO_ESF *esf)
 {
 	ARG_UNUSED(esf);
 
diff --git a/arch/x86/core/sys_fatal_error_handler.c b/arch/x86/core/sys_fatal_error_handler.c
index faf1ba54d3b..e15a734e4e4 100644
--- a/arch/x86/core/sys_fatal_error_handler.c
+++ b/arch/x86/core/sys_fatal_error_handler.c
@@ -38,7 +38,7 @@
  *
  * @return This function does not return.
  */
-FUNC_NORETURN void _SysFatalErrorHandler(unsigned int reason,
+FUNC_NORETURN __weak void _SysFatalErrorHandler(unsigned int reason,
 					 const NANO_ESF *pEsf)
 {
 	ARG_UNUSED(pEsf);
diff --git a/arch/xtensa/core/fatal.c b/arch/xtensa/core/fatal.c
index 4e5c10035b0..7b75fb09f1c 100644
--- a/arch/xtensa/core/fatal.c
+++ b/arch/xtensa/core/fatal.c
@@ -235,7 +235,7 @@ void exit(int return_code)
  *
  * @return N/A
  */
-FUNC_NORETURN void _SysFatalErrorHandler(unsigned int reason,
+FUNC_NORETURN __weak void _SysFatalErrorHandler(unsigned int reason,
 					 const NANO_ESF *pEsf)
 {
 	ARG_UNUSED(pEsf);