diff options
Diffstat (limited to 'common_modules')
| -rw-r--r-- | common_modules/module_manager/src/txm_module_manager_thread_create.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/common_modules/module_manager/src/txm_module_manager_thread_create.c b/common_modules/module_manager/src/txm_module_manager_thread_create.c index 95075bec..2f50cfd7 100644 --- a/common_modules/module_manager/src/txm_module_manager_thread_create.c +++ b/common_modules/module_manager/src/txm_module_manager_thread_create.c @@ -39,7 +39,7 @@ /* FUNCTION RELEASE */ /* */ /* _txm_module_manager_thread_create PORTABLE C */ -/* 6.2.1 */ +/* 6.x */ /* AUTHOR */ /* */ /* Scott Larson, Microsoft Corporation */ @@ -94,6 +94,10 @@ /* 03-08-2023 Scott Larson Check module stack for */ /* overlap, */ /* resulting in version 6.2.1 */ +/* xx-xx-xxxx Xiuwen Cai Modified comment(s), */ +/* added option for random */ +/* number stack filling, */ +/* resulting in version 6.x */ /* */ /**************************************************************************/ UINT _txm_module_manager_thread_create(TX_THREAD *thread_ptr, CHAR *name_ptr, @@ -272,6 +276,17 @@ ULONG i; } #ifndef TX_DISABLE_STACK_FILLING +#if defined(TX_ENABLE_RANDOM_NUMBER_STACK_FILLING) && defined(TX_ENABLE_STACK_CHECKING) + + /* Initialize the stack fill value to a 8-bit random value. */ + thread_ptr -> tx_thread_stack_fill_value = ((ULONG) TX_RAND()) & 0xFFUL; + + /* Duplicate the random value in each of the 4 bytes of the stack fill value. */ + thread_ptr -> tx_thread_stack_fill_value = thread_ptr -> tx_thread_stack_fill_value | + (thread_ptr -> tx_thread_stack_fill_value << 8) | + (thread_ptr -> tx_thread_stack_fill_value << 16) | + (thread_ptr -> tx_thread_stack_fill_value << 24); +#endif /* Set the thread stack to a pattern prior to creating the initial stack frame. This pattern is used by the stack checking routines |