函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\debug\gdbstub.c Create Date:2022-07-27 12:43:05
Last Modify:2020-03-12 14:18:49 Copyright©Brick
首页 函数Tree
注解内核,赢得工具下载SCCTEnglish

函数名称：This function performs all gdbserial command procesing

函数原型：int gdb_serial_stub(struct kgdb_state *ks)

返回类型：int

参数：

类型参数名称
struct kgdb_state *ks
946  error等于0
950  memset(remcom_out_buffer, 0, remcom_out_buffer的长度)
951  kgdb_usethread等于task
952  kgdb_usethreadid等于Remap normal tasks to their real PID,* CPU shadow threads are mapped to -CPU - 2
953  pass_exception等于0
955  如果kgdb_connected - Is a host GDB connected to us?则
960  ptr等于remcom_out_buffer
961  ptr自加等于'T'
962  ptr等于hex_byte_pack(ptr, signo)
963  ptr加等于strlen - Find the length of a string*@s: The string to be sized
964  int_to_threadref(thref, Remap normal tasks to their real PID,* CPU shadow threads are mapped to -CPU - 2)
965  ptr等于pack_threadid(ptr, thref)
966  ptr自加等于';'
967  Send the packet in buffer.* Check for gdb connection if asked for.
970  当1循环
971  error等于0
974  memset(remcom_out_buffer, 0, remcom_out_buffer的长度)
976  scan for the sequence $#
979  当:Our I/O buffers. [0]恒等于'?'
980  Handle the '?' status packets
981  退出
982  当:Our I/O buffers. [0]恒等于'g'
983  Handle the 'g' get registers request
984  退出
985  当:Our I/O buffers. [0]恒等于'G'
986  Handle the 'G' set registers request
987  退出
988  当:Our I/O buffers. [0]恒等于'm'
989  Handle the 'm' memory read bytes
990  退出
991  当:Our I/O buffers. [0]恒等于'M'
992  Handle the 'M' memory write bytes
993  退出
1002  当:Our I/O buffers. [0]恒等于'X'
1003  Handle the 'X' memory binary write bytes
1004  退出
1008  当:Our I/O buffers. [0]恒等于'D'
1009  当:Our I/O buffers. [0]恒等于'k'
1010  Handle the 'D' or 'k', detach or kill packets
1011  转到:default_handle
1012  当:Our I/O buffers. [0]恒等于'R'
1013  如果Handle the 'R' reboot packets 则转到:default_handle
1015  退出
1016  当:Our I/O buffers. [0]恒等于'q'
1017  Handle the 'q' query packets
1018  退出
1019  当:Our I/O buffers. [0]恒等于'H'
1020  Handle the 'H' task query packets
1021  退出
1022  当:Our I/O buffers. [0]恒等于'T'
1023  Handle the 'T' thread query packets
1024  退出
1025  当:Our I/O buffers. [0]恒等于'z'
1026  当:Our I/O buffers. [0]恒等于'Z'
1027  Handle the 'z' or 'Z' breakpoint remove or set packets
1028  退出
1030  当:Our I/O buffers. [0]恒等于'3'
1031  如果Our I/O buffers. [1]恒等于'\0'则
1037  当:Our I/O buffers. [0]恒等于'C'
1038  tmp等于Handle the 'C' signal / exception passing packets
1039  如果tmp大于0则转到:default_handle
1041  如果tmp恒等于0则退出
1044  当:Our I/O buffers. [0]恒等于'c'
1045  当:Our I/O buffers. [0]恒等于's'
1046  如果kgdb_contthread且kgdb_contthread不等于当前进程则
1051  SW breakpoint management:
1053  默认
1054  default_handle :
1055  error等于kgdb_arch_handle_exception - Handle architecture specific GDB packets.*@e_vector: The error vector of the exception that happened.*@signo: The signal number of the exception that happened.*@err_code: The error code of the exception that happened.
1065  如果error大于等于0或Our I/O buffers. [0]恒等于'D'或Our I/O buffers. [0]恒等于'k'则
1067  error等于0
1068  转到:kgdb_exit
1074  Send the packet in buffer.* Check for gdb connection if asked for.
1077  kgdb_exit :
1078  如果pass_exception则error等于1
1080  返回:error
调用者
名称描述
kgdb_cpu_enter