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update gdb disassemble comment #70

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update gdb disassemble comment #70

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6 changes: 6 additions & 0 deletions tools/gdb.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -213,9 +213,15 @@ stepi # 指令级别单步进入，可以简写为 si
nexti # 指令级别单步跳过，可以简写为 ni
display/i $pc # 监控寄存器（每条单步完以后会自动打印值）
x/x &gx # 十六进制打印变量
x/ni {addr} # 打印地址处接下来的n条指令
info line 22 # 打印行号为 22 的内存地址信息
info line *0x2c4e # 打印给定内存地址对应的源代码和行号信息
disassemble {addr} # 对地址进行反汇编，比如 disassemble 0x2c4e
disassemble {addr},{end} # 对地址指定范围内进行反汇编，比如 disassemble 0x2c4e, 0x2c5e
disassemble {addr},+len # 对地址指定范围内进行反汇编，比如 disassemble 0x2c4e, +0x10
disassemble /m {addr} # 对地址进行反汇编，同时显示源码对应的反汇编代码(如果可以根据符号表找到源码)
disassemble /r {addr} # 对地址进行反汇编，同时显示汇编指令对应的机器码, 如mov rsp,rbp会显示为: 48 89 e5 mov %rsp,%rbp
disassemble /mr {addr} # 对地址进行反汇编，同时显示源码以及机器码


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