(&gdbserver_system_state.chr, true); } void gdb_qemu_exit(int code) { qemu_system_shutdown_request_with_code(SHUTDOWN_CAUSE_GUEST_SHUTDOWN, code); } /* * Memory access */ static int phy_memory_mode; int gdb_target_memory_rw_debug(CPUState *cpu, hwaddr addr, uint8_t *buf, ...
= SIGKILL) { /* 让调试器运行 */ current->exit_code = signr; current->state = TASK_STOPPED; // 让自己进入停止运行状态 notify_parent(current, SIGCHLD); // 发送 SIGCHLD 信号给父进程 schedule(); // 让出CPU的执行权限 ... } } } 里面的代码主要做了3件事: 如果当前进程被标记为 PTRACE...
gdbserver gdbsupport gnulib gold gprof gprofng include intl ld libbacktrace libctf libdecnumber libiberty opcodes readline sim texinfo zlib .cvsignore .editorconfig .gitattributes .gitignore COPYING COPYING.LIB COPYING.LIBGLOSS COPYING.NEWLIB COPYING3 COPYING3.LIB ChangeLog MAINTAINERS Makefile.def...
static void init_gdbserver_state(void) { g_assert(!gdbserver_state.init); memset(&gdbserver_state, 0, sizeof(GDBState)); gdbserver_state.init = true; gdbserver_state.str_buf = g_string_new(NULL); gdbserver_state.mem_buf = g_byte_array_sized_new(MAX_PACKET_LENGTH); gdb...
exit(0); } else { // 父进程... } return 0; } execl() 用于执行指定的程序,如果执行成功就不会返回,所以 execl(...) 的下一行代码 exit(0) 不会被执行到。 由于我们需要跟踪 ls 命令,所以在执行 ls 命令前,必须调用 ptrace(PTRACE_TRACEME, 0, NULL, NULL) 来告诉系统需要跟踪这个进程,代码如...
, scrolling in the GDB Debugger xterm. Just as with strace, you can stop debugging the nweb server by pressing Ctrl+C. After stopping the tracing, you can exit the GDB Debugger by typing the quit command. Listing 11. Breakpoint information in the GDB Debugger xterm ...
因为教学内容是固定的,他们只教你们入门。在程序出现bug的时候,最好的解决办法就是通过 GDB 调试程序,…
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Code Pull requests1 Actions Projects Wiki Security Insights Additional navigation options Files master Makefile Makefile.objs Makefile.target README VERSION aio-posix.c aio-win32.c arch_init.c async.c balloon.c block-migration.c block.c
exit(0); } else { // 父进程... } return 0; } execl() 用于执行指定的程序,如果执行成功就不会返回,所以 execl(...) 的下一行代码 exit(0) 不会被执行到。 由于我们需要跟踪 ls 命令,所以在执行 ls 命令前,必须调用 ptrace(PTRACE_TRACEME, 0, NULL, NULL) 来告诉系统需要跟踪这个进程,代码如...