GDB常用命令快速查询（英文版）

节选自：http://beej.us/guide/bggdb/

Command parameters are in italics. Optional parameters are in square brackets. All commands can be abbreviated until they become ambiguous.

This list is very very incomplete, and only shows things talked about in this tutorial!

Help Commands
helpcommand	Get help on a certain command
aproposkeyword	Search help for a particular keyword
Starting and Quitting
gdb[-tui] [-c core] [exename]	(Unix Command)Startgdbon an executable or standalone; specify "-tui" to start the TUI GUI; specify "-c" with a corefile name to see where a crash occurred
run[arg1] [arg2] [...]	Run the currently loaded program with the given command line arguments
quit	Exit the debugger
fileexename	Load an executable file by name
Breakpoints and Watchpoints
breaklocation	Set a breakpoint at a location, line number, or file (e.g. "main", "5", or "hello.c:23")
watchexpression	Break when a variable is written to
rwatchexpression	Break when a variable is read from
awatchexpression	Break when a variable is written to or read from
info break	Display breakpoint and watchpoint information and numbers
info watch	Same asinfo break
clearlocation	Clear a breakpoint from a location
deletenum	Delete a breakpoint or watchpoint by number
Stepping and Running
next	Run to the next line of this function
step	Step into the function on this line, if possible
stepi	Step a single assembly instruction
continue	Keep running from here
CTRL-C	Stop running, wherever you are
finish	Run until the end of the current function
advancelocation	Advance to a location, line number, or file (e.g. "somefunction", "5", or "hello.c:23")
jumplocation	Just likecontinue, except jump to a particular location first.
Examining and Modifying Variables
displayexpression	Display the value of a variable or expression every step of the program—the expression must make sense in the current scope
info display	Show a list of expressions currently being displayed and their numbers
undisplaynum	Stop showing an expression identified by its number (seeinfo display)
printexpression	Print the value of a variable or expression
printfformatstrexpressionlist	Do some formatted output withprintf()e.g.printf"i=%d,p=%s\n",i,p
set variableexpression	Set a variable to value, e.g.setvariablex=20
set (expression)	Works likeset variable
Window Commands
info win	Shows current window info
focuswinname	Set focus to a particular window bby name ("SRC", "CMD", "ASM", or "REG") or by position ("next" or "prev")
fs	Alias forfocus
layouttype	Set the window layout ("src", "asm", "split", or "reg")
tui regtype	Set the register window layout ("general", "float", "system", or "next")
winheightval	Set the window height (either an absolute value, or a relative value prefaced with "+" or "-")
wh	Alias forwinheight
setdisassembly-flavorflavor	Set the look-and-feel of the disassembly. On Intel machines, valid flavors areintelandatt
Misc Commands
RETURN	Hit RETURN to repeat the last command
backtrace	Show the current stack
bt	Alias forbacktrace
attachpid	Attach to an already-running process by its PID
info registers	Dump integer registers to screen
info all-registers	Dump all registers to screen