hbreak和break的使用方式一致。 如下,设置23行断点: AI检测代码解析 (gdb) start Temporary breakpoint 1 at 0x40058f: file test_gdb.c, line 19. Starting program: /home/test_demo/gdb/test_gdb Temporary breakpoint 1, main () at test_gdb.c:19 19 int i = 0; (gdb) hbreak 23 Hardware a...
Breakpoint 1, main (argc=0, argv=0x0) at F:/F2021-07/ak47hook/hello/hello.c:7 7 F:/F2021-07/ak47hook/hello/hello.c: No such file or directory. (gdb) hbreak *sleep #trigger the hard breakpoint Hardware assisted breakpoint 3 at 0x7fbc9ea430 (gdb) c Continuing. Breakpoint 3...
Hardware watchpoint : a Old value = New value = 但是这里要特别注意的是,程序必须运行起来,否则会出现: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 No symbol "a" in current context. 因为程序没有运行,当前上下文也就没有相关变量信息。 rwatch和awatch同样可以设置观察点前者是当变量值被读时...
info breakpoints Num Type Disp Enb Address What 1 breakpoint keep y 0x00000000004005fc in printNum2 at test.c:17 breakpoint already hit 1 time 2 hw watchpoint keep y a breakpoint already hit 1 time ignore next 3 hits 它将会列出所有已设置的断点,每一个断点都有一个标号,用来代表这个断点。
Hardware watchpoint2: aOldvalue=12Newvalue=11 但是这里要特别注意的是,程序必须运行起来,否则会出现: Nosymbol "a"incurrentcontext. 因为程序没有运行,当前上下文也就没有相关变量信息。 rwatch和awatch同样可以设置观察点,前者是当变量值被读时断住,后者是被读或者被改写时断住。
Breakpoint1, main () at main.cpp:9<--普通条件断点触发9num++; (gdb) p num $1=3(gdb) c Continuing. Hardware read watchpoint2: num <--观察条件断点触发 Value=50x000055555555526finmain () at main.cpp:77thrownum; (gdb) c Continuing. ...
Hardware access (read/write) watchpoint 3: *(int*)0xffffd11c Old value = 10 New value = 15 main () at /home/skyfly/code/main.cpp:12 12 int c = 12; 从上面输出的信息看非常明确,也非常有意思,给 GDB 点一个赞。 3. 虚拟地址布局 这个貌似也是 VS 不具有的功能,在 GDB 中得到了支持...
Hardware watchpoint 2: a Old value = 0 New value = 1 watch也可以观察内存值变化,当内存值变化时,产生断点。这种方法对局部变量的作用有限,更多适用于全局变量和在堆上申请的内存。 暂使用局部变量 展示使用方法: int a = 0; printf("a = %d\n", a); ...
#rbp是当前函数调用栈中的基指针寄存器,向下偏移8字节指向存放金丝雀值的地方(gdb) p $rbp - 0x8$8 = (void *) 0x7fffffff04a8#这里对canary在栈中存放的地址打数据断点(gdb) watch *0x7fffffff04a8Hardware watchpoint 2: *0x7fffffffe4a8 #触发到条件断点(gdb) cContinuing. ...
# e.g. 'LLVMFuzzerTestOneInput' or 'main' entrypoint = <entrypoint> # Number of inputs that must be executed without a breakpoint hit until # breakpoints are rotated. until_rotate_breakpoints = <number> # Maximum number of breakpoints that can be placed at any given time. max_...