第一次实验调试环境

.vscode/launch.json

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+{
+    // 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) 启动",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "obj/bootblock.o",
+            "args": [],
+            "stopAtEntry": false,
+            "cwd": "${workspaceFolder}/labcodes_answer/lab1_result",
+            "environment": [],
+            "externalConsole": false,
+            "MIMode": "gdb",
+            "preLaunchTask": "make gdb",
+            "postDebugTask": "shutdown gdb",
+            "miDebuggerServerAddress": "localhost:1234",
+            "setupCommands": [
+                {
+                    "description": "为 gdb 启用整齐打印",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                },
+                {
+                    "description": "将反汇编风格设置为 Intel",
+                    "text": "-gdb-set disassembly-flavor intel",
+                    "ignoreFailures": true
+                }
+            ]
+        },
+
+        {
+            "name": "Replay",
+            "type": "lldb",
+            "request": "custom",
+            "targetCreateCommands": [],
+            "processCreateCommands": ["gdb-remote 127.0.0.1:1234"],
+            "reverseDebugging": true
+        },
+
+    ]
+}

.vscode/tasks.json

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+{
+    "tasks": [
+        {
+            "label": "make gdb",
+            "type": "shell",
+            "command": "bash ${workspaceFolder}/background.sh",
+            "isBackground": true,
+            "options": {
+                "env": {
+                    "DISPLAY": ":0",
+                },
+                "cwd": "${workspaceFolder}/labcodes_answer/lab1_result"
+            },
+            
+            "problemMatcher": [
+                {
+                    "pattern": [
+                      {
+                        "regexp": ".",
+                        "file": 1,
+                        "location": 2,
+                        "message": 3
+                      }
+                    ],
+                    "background": {
+                      "activeOnStart": true,
+                      "beginsPattern": "starting QEMU",
+                      "endsPattern": "starting QEMU",
+                    }
+                }
+            ]
+        },
+        {
+            "label": "shutdown gdb",
+            "type": "process",
+            "command": "pkill",
+            "isBackground": false,
+            "args": ["qemu-system-i38"], // 我也不知道为什么这个进程名字是i38而不是i386
+        },
+
+    ],
+    "version": "2.0.0"
+}

background.sh

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+echo "starting QEMU"
+make gdb