diff options
Diffstat (limited to 'src/include/usr/hwpf')
| -rw-r--r-- | src/include/usr/hwpf/fapi/fapiReturnCode.H | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/include/usr/hwpf/fapi/fapiReturnCode.H b/src/include/usr/hwpf/fapi/fapiReturnCode.H index 235de0206..2986412d3 100644 --- a/src/include/usr/hwpf/fapi/fapiReturnCode.H +++ b/src/include/usr/hwpf/fapi/fapiReturnCode.H @@ -47,6 +47,7 @@ * mjjones 09/19/2012 Add FFDC ID to error info * mjjones 03/22/2013 Support Procedure Callouts * mjjones 05/20/2013 Support Bus Callouts + * mjjones 06/06/2013 Check FFDC size at compile time */ #ifndef FAPIRETURNCODE_H_ @@ -471,9 +472,25 @@ namespace ReturnCodeFfdc { EI_FFDC_SIZE_ECMDDB = 0xffff, // ecmdDataBufferBase EI_FFDC_SIZE_TARGET = 0xfffe, // fapi::Target + EI_FFDC_MAX_SIZE = 0x1000, // Limit regular FFDC capture to 4kb }; /** + * @brief Compile error if caller tries to add too much FFDC to a ReturnCode + * + * If the unspecialized function template is instantiated, the compile will + * fail due to the construction of an undefined class. If the specialized + * function template is instantiated (done if the FFDC size is not too big), + * the function does nothing and is optimized out + */ + class Error_FfdcTooLargeToCapture; + template<const bool TOO_BIG> void checkFfdcSize() + { + Error_FfdcTooLargeToCapture(); + } + template <> inline void checkFfdcSize<false>() {} + + /** * @brief Get FFDC Size * * This is called by the FAPI_SET_HWP_ERROR macro to find out the size of @@ -486,6 +503,7 @@ namespace ReturnCodeFfdc template<typename T> uint16_t getErrorInfoFfdcSize(const T &) { + checkFfdcSize<(sizeof(T) > EI_FFDC_MAX_SIZE)>(); return sizeof(T); } |
