本文介绍了GDB调试器中show命令的多个子命令及其用途，包括显示目标架构、参数传递方式、ARM特定命令等，有助于用户更好地掌握GDB的使用。
当你忘记某条gdb命令的语法时，可以使用 help 命令名 来获取帮助信息。如：help show 显示 show 命令的用法。
(gdb) help show
Generic command for showing things about the debugger.
List of show subcommands:
show annotate -- Show annotation_level
show architecture -- Show architecture of target
show args -- Show argument list to give program being debugged when it is started
show arm -- Various ARM-specific commands
show auto-raise-load-levels -- Show if GDB should raise the symbol loading level on all frames found in backtraces
show auto-solib-add -- Show autoloading of shared library symbols
show backtrace -- Show backtrace specific variables
show breakpoint -- Breakpoint specific settings
show can-use-hw-watchpoints -- Show debugger's willingness to use watchpoint hardware
show case-sensitive -- Show case sensitivity in name search
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