非常好的 gdb tui 的文章
Help Commands | |
help command | Get help on a certain command |
apropos keyword | Search help for a particular keyword |
Starting and Quitting | |
gdb [-tui] [-c core] [exename] | (Unix Command) Start gdb on 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 |
file exename | Load an executable file by name |
Breakpoints and Watchpoints | |
break location | Set a breakpoint at a location, line number, or file (e.g. "main", "5", or "hello.c:23") |
watch expression | Break when a variable is written to |
rwatch expression | Break when a variable is read from |
awatch expression | Break when a variable is written to or read from |
info break | Display breakpoint and watchpoint information and numbers |
info watch | Same as info break |
clear location | Clear a breakpoint from a location |
delete num | 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 |
advance location | Advance to a location, line number, or file (e.g. "somefunction", "5", or "hello.c:23") |
jump location | Just like continue, except jump to a particular location first. |
Examining and Modifying Variables | |
display expression | 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 |
undisplay num | Stop showing an expression identified by its number (see info display) |
print expression | Print the value of a variable or expression |
printf formatstr expressionlist | Do some formatted output with printf() e.g. printf "i = %d, p = %s\n", i, p |
set variable expression | Set a variable to value, e.g. set variable x=20 |
set (expression) | Works like set variable |
Window Commands | |
info win | Shows current window info |
focus winname | Set focus to a particular window bby name ("SRC", "CMD", "ASM", or "REG") or by position ("next" or "prev") |
fs | Alias for focus |
layout type | Set the window layout ("src", "asm", "split", or "reg") |
tui reg type | Set the register window layout ("general", "float", "system", or "next") |
winheight val | Set the window height (either an absolute value, or a relative value prefaced with "+" or "-") |
wh | Alias for winheight |
set disassembly-flavor flavor | Set the look-and-feel of the disassembly. On Intel machines, valid flavors are intel and att |
Misc Commands | |
RETURN | Hit RETURN to repeat the last command |
backtrace | Show the current stack |
bt | Alias for backtrace |
attach pid | Attach to an already-running process by its PID |
info registers | Dump integer registers to screen |
info all-registers | Dump all registers to screen |
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