diff options
Diffstat (limited to 'Documentation/translations/zh_CN/dev-tools')
| -rw-r--r-- | Documentation/translations/zh_CN/dev-tools/gdb-kernel-debugging.rst | 34 | ||||
| -rw-r--r-- | Documentation/translations/zh_CN/dev-tools/ubsan.rst | 33 |
2 files changed, 30 insertions, 37 deletions
diff --git a/Documentation/translations/zh_CN/dev-tools/gdb-kernel-debugging.rst b/Documentation/translations/zh_CN/dev-tools/gdb-kernel-debugging.rst index 3c133a918f30..282aacd33442 100644 --- a/Documentation/translations/zh_CN/dev-tools/gdb-kernel-debugging.rst +++ b/Documentation/translations/zh_CN/dev-tools/gdb-kernel-debugging.rst @@ -120,35 +120,31 @@ Kgdb内核调试器、QEMU等虚拟机管理程序或基于JTAG的硬件接口 - 对当前或指定的CPU使用per-cpu函数:: - (gdb) p $lx_per_cpu("runqueues").nr_running + (gdb) p $lx_per_cpu(runqueues).nr_running $3 = 1 - (gdb) p $lx_per_cpu("runqueues", 2).nr_running + (gdb) p $lx_per_cpu(runqueues, 2).nr_running $4 = 0 - 使用container_of查看更多hrtimers信息:: - (gdb) set $next = $lx_per_cpu("hrtimer_bases").clock_base[0].active.next - (gdb) p *$container_of($next, "struct hrtimer", "node") + (gdb) set $leftmost = $lx_per_cpu(hrtimer_bases).clock_base[0].active.rb_root.rb_leftmost + (gdb) p *$container_of($leftmost, "struct hrtimer", "node") $5 = { node = { node = { - __rb_parent_color = 18446612133355256072, - rb_right = 0x0 <irq_stack_union>, - rb_left = 0x0 <irq_stack_union> + __rb_parent_color = 18446612686384860673, + rb_right = 0xffff888231da8b00, + rb_left = 0x0 }, - expires = { - tv64 = 1835268000000 - } + expires = 1228461000000 }, - _softexpires = { - tv64 = 1835268000000 - }, - function = 0xffffffff81078232 <tick_sched_timer>, - base = 0xffff88003fd0d6f0, - state = 1, - start_pid = 0, - start_site = 0xffffffff81055c1f <hrtimer_start_range_ns+20>, - start_comm = "swapper/2\000\000\000\000\000\000" + _softexpires = 1228461000000, + function = 0xffffffff8137ab20 <tick_nohz_handler>, + base = 0xffff888231d9b4c0, + state = 1 '\001', + is_rel = 0 '\000', + is_soft = 0 '\000', + is_hard = 1 '\001' } diff --git a/Documentation/translations/zh_CN/dev-tools/ubsan.rst b/Documentation/translations/zh_CN/dev-tools/ubsan.rst index 2487696b3772..81ef6f77caeb 100644 --- a/Documentation/translations/zh_CN/dev-tools/ubsan.rst +++ b/Documentation/translations/zh_CN/dev-tools/ubsan.rst @@ -3,7 +3,14 @@ .. include:: ../disclaimer-zh_CN.rst :Original: Documentation/dev-tools/ubsan.rst -:Translator: Dongliang Mu <dzm91@hust.edu.cn> + +:翻译: + + 慕冬亮 Dongliang Mu <dzm91@hust.edu.cn> + +:校译: + + 王昱力 WangYuli <wangyuli@uniontech.com> 未定义行为消毒剂 - UBSAN ==================================== @@ -55,30 +62,20 @@ GCC自4.9.x [1_] （详见 ``-fsanitize=undefined`` 选项及其子选项）版 使用如下内核配置启用UBSAN:: - CONFIG_UBSAN=y - -使用如下内核配置检查整个内核:: - - CONFIG_UBSAN_SANITIZE_ALL=y - -为了在特定文件或目录启动代码插桩，需要在相应的内核Makefile中添加一行类似内容: + CONFIG_UBSAN=y -- 单文件（如main.o）:: - - UBSAN_SANITIZE_main.o := y - -- 一个目录中的所有文件:: - - UBSAN_SANITIZE := y - -即使设置了``CONFIG_UBSAN_SANITIZE_ALL=y``，为了避免文件被插桩，可使用:: +排除要被检测的文件:: UBSAN_SANITIZE_main.o := n -与:: +排除一个目录中的所有文件:: UBSAN_SANITIZE := n +当全部文件都被禁用，可通过如下方式为特定文件启用:: + + UBSAN_SANITIZE_main.o := y + 未对齐的内存访问检测可通过开启独立选项 - CONFIG_UBSAN_ALIGNMENT 检测。 该选项在支持未对齐访问的架构上(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y) 默认为关闭。该选项仍可通过内核配置启用，但它将产生大量的UBSAN报告。 |