Linux应用调试方法---Debug

core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 30956
max locked memory       (kbytes, -l) 16384
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 8192
cpu time               (seconds, -t) unlimited
max user processes              (-u) 30956
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

GNU gdb (Ubuntu 8.1-0ubuntu3) 8.1.0.20180409-git
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License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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Type "show configuration" for configuration details.
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Reading symbols from ./a.out...done.

warning: exec file is newer than core file.
[New LWP 20661]
Core was generated by `./a.out'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x0000563a00047609 in main (argc=1, argv=0x7ffe99b73178) at tst.c:8
8	    *a = 1;

gdb ./a,out

(gdb) x/10 0x7ffffffee3c8
0x7ffffffee3c8: 0xfffee5f7      0x00007fff      0x00000000      0x00000000
0x7ffffffee3d8: 0xfffee60f      0x00007fff      0xfffeec01      0x00007fff
0x7ffffffee3e8: 0xfffeec11      0x00007fff
(gdb) x 0x7ffffffee3c8
0x7ffffffee3c8: 0xfffee5f7

ps H -eo user,pid,ppid,%cpu,cmd --sort=%cpu

CODE SETTINGS SYNC UPLOAD SUMMARY
Version: 3.2.9
--------------------
GitHub Token: b7a56c3cf8a3a7739799e990fad4906ba2c4f324
GitHub Gist: 3789cdfdf898124a04973b2e8feb0d74
GitHub Gist Type: Secret

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{
    // See https://go.microsoft.com/fwlink/?LinkId=733558
    // for the documentation about the tasks.json format
    "version": "2.0.0",
    "tasks": [
        {
            "label": "build",
            "type": "shell",
            "command": "bash && make"
        }
    ]
}

{
    // 使用 IntelliSense 了解相关属性。
    // 悬停以查看现有属性的描述。
    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "(gdb) Launch",
            "type": "cppdbg",
            "request": "launch",
            "program": "/home/xxx/work/jpeg/jpeg_vgtp_tuning/build/bin/tunning_vgtp_codec",
            "args": [
                "-a", "-f", "/home/xxx/Pictures/test_yuv/app_JDshopping_1080p_30fps_444_295.yuv",
                "-r", "1920x1080", "-c", "20", "-s", "0", "-m", "0"
            ],
            "stopAtEntry": true,
            "cwd": "${workspaceFolder}",
            "environment": [],
            "externalConsole": false,
            "MIMode": "gdb",
            "setupCommands": [
                {
                    "description": "Enable pretty-printing for gdb",
                    "text": "-enable-pretty-printing",
                    "ignoreFailures": true
                }
            ]
        }
    ]
}

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "(gdb) Bash on Windows Launch",
            "type": "cppdbg",
            "request": "launch",
            "program": "/mnt/c/Users/Administrator/Desktop/test/bin/main",
            "args": [],
            "stopAtEntry": true,
            "cwd": "/mnt/c/Users/Administrator/Desktop/test",
            "environment": [],
            "externalConsole": true,
            "pipeTransport": {
                "debuggerPath": "/usr/bin/gdb",
                "pipeProgram": "${env:windir}\\system32\\bash.exe",
                "pipeArgs": ["-c"],
                "pipeCwd": ""
            },
             "sourceFileMap": {
                "/mnt/c": "c:\\"
            },
            "setupCommands": [
                {
                    "description": "Enable pretty-printing for gdb",
                    "text": "-enable-pretty-printing",
                    "ignoreFailures": true
                }
            ]
        }
    ]
}