I work at Red Hat onGCC, the GNU Compiler Collection. For the next major release of GCC,GCC 10, I've been implementing a new-fanalyzeroption: A static analysis pass to identify various problems at compile-time, rather than at runtime. My thinking here is that it's best to catch prob...
astatic analysis passfor identifying various problems at compile-time, rather than at runtime. The initial implementation was aimed at early adopters, who found a few bugs, including a security vulnerability:CVE-2020-1967. Bernd Edlinger, who discovered the issue, had to wade ...
*/ static unsigned int rest_of_handle_sched2 (void) { if (flag_selective_scheduling2 && ! maybe_skip_selective_scheduling ()) run_selective_scheduling (); else { /* Do control and data sched analysis again, and write some more of the results to dump file. */ if (flag_sched2_use_...
The name of the function. A number of bytes. One or more qualifiers: static, dynamic, bounded. The qualifier static means that the function manipulates the stack statically: a fixed number of bytes are allocated for the frame on function entry and released on function exit; no stack adjustmen...
Abstract: The abstract syntax tree (AST), as an important intermediate representation, plays an important role in the field of static analysis of code. This paper gives a method to reconstruct and visualize the AST based on the textual content of the AST generated by the GCC compiler. The co...
利用生存期的”全局性”, 改善”return a pointer / reference to a local object”的问题. Local object的问题在于退出函数, 生存期即结束,. 利用static的作用, 延长变量的生存期. 演示样例程序二: // IP address to string format // Used in Ethernet Frame and IP Header analysis ...
《C-STAT® Static Analysis Guide》,文档名为 EW_MisraC1998Reference.ENU.pdf 还可以直接从 IAR 的 IDE 的菜单进入:菜单-> help iasmarm.exe 这个是 IAR 的汇编语言的编译器。官方文档是这么介绍的:The IAR Assembler for Arm is a powerful relocating macro assembler with a versatile set of...
Clang is designed as anAPIfrom its inception, allowing it to be reused by source analysis tools, refactoring, IDEs (etc) as well as for code generation. GCC is built as a monolithic static compiler, which makes it extremely difficult to use as an API and integrate into other tools. Furthe...
static_cast<double>(arrival_time_ms - first_arrival_time_ms_), smoothed_delay_)); 4)当队列delay_hist_大小等于设定的窗口大小时,开始进行时延变化趋势计算,得到直线斜率,直线横坐标为经历时间,纵坐标为平滑时延值: if (delay_hist_.size() == window_size_) { ...
Improving the precision of static analysis: Symbolic execution based on GCC abstract syntax treedoi:10.1109/snpd.2017.8022752Hongliang LiangShirun LiuYini ZhangMeilin WangIEEESoftware Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing...