diff options
Diffstat (limited to 'os')
| -rw-r--r-- | os/ports/RVCT/ARMCMx/chcore_v6m.h | 9 | ||||
| -rw-r--r-- | os/ports/RVCT/ARMCMx/chcore_v7m.h | 11 |
2 files changed, 19 insertions, 1 deletions
diff --git a/os/ports/RVCT/ARMCMx/chcore_v6m.h b/os/ports/RVCT/ARMCMx/chcore_v6m.h index 970fc3b8d..9c5e35b33 100644 --- a/os/ports/RVCT/ARMCMx/chcore_v6m.h +++ b/os/ports/RVCT/ARMCMx/chcore_v6m.h @@ -208,7 +208,16 @@ struct intctx { * @param[in] ntp the thread to be switched in
* @param[in] otp the thread to be switched out
*/
+#if !defined(CH_DBG_ENABLE_STACK_CHECK) || defined(__DOXYGEN__)
#define port_switch(ntp, otp) _port_switch(ntp, otp)
+#else
+#define port_switch(ntp, otp) { \
+ struct intctx *r13 = (struct intctx *)__current_sp(); \
+ if ((void *)(r13 - 1) < (void *)(otp + 1)) \
+ chDbgPanic("stack overflow"); \
+ _port_switch(ntp, otp); \
+}
+#endif
#ifdef __cplusplus
extern "C" {
diff --git a/os/ports/RVCT/ARMCMx/chcore_v7m.h b/os/ports/RVCT/ARMCMx/chcore_v7m.h index 45f9843e3..3a4cbe381 100644 --- a/os/ports/RVCT/ARMCMx/chcore_v7m.h +++ b/os/ports/RVCT/ARMCMx/chcore_v7m.h @@ -234,7 +234,16 @@ struct intctx { * @param[in] ntp the thread to be switched in
* @param[in] otp the thread to be switched out
*/
-#define port_switch(ntp, otp) _port_switch(ntp, otp)
+#if !defined(CH_DBG_ENABLE_STACK_CHECK) || defined(__DOXYGEN__)
+#define port_switch(ntp, otp) _port_switch(ntp, otp)
+#else
+#define port_switch(ntp, otp) { \
+ struct intctx *r13 = (struct intctx *)__current_sp(); \
+ if ((void *)(r13 - 1) < (void *)(otp + 1)) \
+ chDbgPanic("stack overflow"); \
+ _port_switch(ntp, otp); \
+}
+#endif
#ifdef __cplusplus
extern "C" {
|