GKD Dev Plan 2013/05/25
2013-05-25
- test : PB -> C -> catch breakpoint -> C
- C -> catch breakpoint -> N x Si -> C
- restart Qemu
- refactor all the equals(“bochs”) code to LibGKD
- better to use enum for bochs/qemu
- enhance profiling feature for vnc recording
Here is the list of gdb command:
(gdb) help all
Command class: aliases
ni — Step one instruction
rc — Continue program being debugged but run it in reverse
rni — Step backward one instruction
rsi — Step backward exactly one instruction
si — Step one instruction exactly
stepping — Specify single-stepping behavior at a tracepoint
tp — Set a tracepoint at specified line or function
tty — Set terminal for future runs of program being debugged
where — Print backtrace of all stack frames
ws — Specify single-stepping behavior at a tracepoint
Command class: breakpoints
awatch — Set a watchpoint for an expression
break — Set breakpoint at specified line or function
catch — Set catchpoints to catch events
catch assert — Catch failed Ada assertions
catch catch — Catch an exception
catch exception — Catch Ada exceptions
catch exec — Catch calls to exec
catch fork — Catch calls to fork
catch syscall — Catch system calls by their names and/or numbers
catch throw — Catch an exception
catch vfork — Catch calls to vfork
clear — Clear breakpoint at specified line or function
commands — Set commands to be executed when a breakpoint is hit
condition — Specify breakpoint number N to break only if COND is true
delete — Delete some breakpoints or auto-display expressions
delete breakpoints — Delete some breakpoints or auto-display expressions
delete checkpoint — Delete a checkpoint (experimental)
delete display — Cancel some expressions to be displayed when program stops
delete mem — Delete memory region
delete tracepoints — Delete specified tracepoints
disable — Disable some breakpoints
disable breakpoints — Disable some breakpoints
disable display — Disable some expressions to be displayed when program stops
disable mem — Disable memory region
disable tracepoints — Disable specified tracepoints
enable — Enable some breakpoints
enable delete — Enable breakpoints and delete when hit
enable display — Enable some expressions to be displayed when program stops
enable mem — Enable memory region
enable once — Enable breakpoints for one hit
enable tracepoints — Enable specified tracepoints
hbreak — Set a hardware assisted breakpoint
ignore — Set ignore-count of breakpoint number N to COUNT
rbreak — Set a breakpoint for all functions matching REGEXP
rwatch — Set a read watchpoint for an expression
tbreak — Set a temporary breakpoint
tcatch — Set temporary catchpoints to catch events
tcatch assert — Catch failed Ada assertions
tcatch catch — Catch an exception
tcatch exception — Catch Ada exceptions
tcatch exec — Catch calls to exec
tcatch fork — Catch calls to fork
tcatch syscall — Catch system calls by their names and/or numbers
tcatch throw — Catch an exception
tcatch vfork — Catch calls to vfork
thbreak — Set a temporary hardware assisted breakpoint
trace — Set a tracepoint at specified line or function
watch — Set a watchpoint for an expression
Command class: data
append — Append target code/data to a local file
append binary — Append target code/data to a raw binary file
append binary memory — Append contents of memory to a raw binary file
append binary value — Append the value of an expression to a raw binary file
append memory — Append contents of memory to a raw binary file
append value — Append the value of an expression to a raw binary file
call — Call a function in the program
disassemble — Disassemble a specified section of memory
display — Print value of expression EXP each time the program stops
dump — Dump target code/data to a local file
dump binary — Write target code/data to a raw binary file
dump binary memory — Write contents of memory to a raw binary file
dump binary value — Write the value of an expression to a raw binary file
dump ihex — Write target code/data to an intel hex file
dump ihex memory — Write contents of memory to an ihex file
dump ihex value — Write the value of an expression to an ihex file
dump memory — Write contents of memory to a raw binary file
dump srec — Write target code/data to an srec file
dump srec memory — Write contents of memory to an srec file
dump srec value — Write the value of an expression to an srec file
dump tekhex — Write target code/data to a tekhex file
dump tekhex memory — Write contents of memory to a tekhex file
dump tekhex value — Write the value of an expression to a tekhex file
dump value — Write the value of an expression to a raw binary file
find — Search memory for a sequence of bytes
init-if-undefined — Initialize a convenience variable if necessary
inspect — Same as “print” command
mem — Define attributes for memory region or reset memory region handling to
output — Like “print” but don’t put in value history and don’t print newline
print — Print value of expression EXP
print-object — Ask an Objective-C object to print itself
printf — Printf “printf format string”
ptype — Print definition of type TYPE
restore — Restore the contents of FILE to target memory
set — Evaluate expression EXP and assign result to variable VAR
set annotate — Set annotation_level
set architecture — Set architecture of target
set args — Set argument list to give program being debugged when it is started
set auto-solib-add — Set autoloading of shared library symbols
set backtrace — Set backtrace specific variables
set backtrace limit — Set an upper bound on the number of backtrace levels
set backtrace past-entry — Set whether backtraces should continue past the entry point of a program
set backtrace past-main — Set whether backtraces should continue past “main”
set backtrace past-zero-pc — Set whether backtraces should continue past a zero pc value
set breakpoint — Breakpoint specific settings
set breakpoint always-inserted — Set mode for inserting breakpoints
set breakpoint auto-hw — Set automatic usage of hardware breakpoints
set breakpoint pending — Set debugger’s behavior regarding pending breakpoints
set build-id-core-loads — Set whether CORE-FILE loads the build-id associated files automatically
set build-id-verbose — Set debugging level of the build-id locator
set can-use-hw-watchpoints — Set debugger’s willingness to use watchpoint hardware
set case-sensitive — Set case sensitivity in name search
set charset — Set the host and target character sets
set check — Set the status of the type/range checker
set check range — Set range checking
set check type — Set type checking
set coerce-float-to-double — Set coercion of floats to doubles when calling functions
set complaints — Set max number of complaints about incorrect symbols
set confirm — Set whether to confirm potentially dangerous operations
set cp-abi — Set the ABI used for inspecting C++ objects
set data-directory — Set GDB’s data directory
set debug — Generic command for setting gdb debugging flags
set debug arch — Set architecture debugging
set debug displaced — Set displaced stepping debugging
set debug dwarf2-die — Set debugging of the dwarf2 DIE reader
set debug expression — Set expression debugging
set debug frame — Set frame debugging
set debug infrun — Set inferior debugging
set debug lin-lwp — Set debugging of GNU/Linux lwp module
set debug lin-lwp-async — Set debugging of GNU/Linux async lwp module
set debug observer — Set observer debugging
set debug overload — Set debugging of C++ overloading
set debug record — Set debugging of record/replay feature
set debug remote — Set debugging of remote protocol
set debug serial — Set serial debugging
set debug target — Set target debugging
set debug timestamp — Set timestamping of debugging messages
set debug xml — Set XML parser debugging
set debug-file-directory — Set the directories where separate debug symbols are searched for
set debugvarobj — Set varobj debugging
set demangle-style — Set the current C++ demangling style
set detach-on-fork — Set whether gdb will detach the child of a fork
set disable-randomization — Set disabling of debuggee’s virtual address space randomization
set disassemble-next-line — Set whether to disassemble next source line or insn when execution stops
set disassembly-flavor — Set the disassembly flavor
set displaced-stepping — Set debugger’s willingness to use displaced stepping
set editing — Set editing of command lines as they are typed
set endian — Set endianness of target
set environment — Set environment variable value to give the program
set exec-direction — Set direction of execution
set exec-done-display — Set notification of completion for asynchronous execution commands
set exec-wrapper — Set a wrapper for running programs
set extension-language — Set mapping between filename extension and source language
set follow-fork-mode — Set debugger response to a program call of fork or vfork
set gnutarget — Set the current BFD target
set height — Set number of lines gdb thinks are in a page
set history — Generic command for setting command history parameters
set history expansion — Set history expansion on command input
set history filename — Set the filename in which to record the command history
set history save — Set saving of the history record on exit
set history size — Set the size of the command history
set host-charset — Set the host character set
set inferior-tty — Set terminal for future runs of program being debugged
set input-radix — Set default input radix for entering numbers
set interactive-mode — Set whether GDB should run in interactive mode or not
set language — Set the current source language
set libthread-db-search-path — Set search path for libthread_db
set listsize — Set number of source lines gdb will list by default
set logging — Set logging options
set logging file — Set the current logfile
set logging off — Disable logging
set logging on — Enable logging
set logging overwrite — Set whether logging overwrites or appends to the log file
set logging redirect — Set the logging output mode
set max-user-call-depth — Set the max call depth for user-defined commands
set mem — Memory regions settings
set mem inaccessible-by-default — Set handling of unknown memory regions
set multiple-symbols — Set the debugger behavior when more than one symbol are possible matches
set non-stop — Set whether gdb controls the inferior in non-stop mode
set opaque-type-resolution — Set resolution of opaque struct/class/union types (if set before loading symbols)
set osabi — Set OS ABI of target
set output-radix — Set default output radix for printing of values
set overload-resolution — Set overload resolution in evaluating C++ functions
set pagination — Set state of pagination
set print — Generic command for setting how things print
set print address — Set printing of addresses
set print array — Set prettyprinting of arrays
set print array-indexes — Set printing of array indexes
set print asm-demangle — Set demangling of C++/ObjC names in disassembly listings
set print demangle — Set demangling of encoded C++/ObjC names when displaying symbols
set print elements — Set limit on string chars or array elements to print
set print frame-arguments — Set printing of non-scalar frame arguments
set print inferior-events — Set printing of inferior events (e
set print max-symbolic-offset — Set the largest offset that will be printed in <symbol+1234> form
set print null-stop — Set printing of char arrays to stop at first null char
set print object — Set printing of object’s derived type based on vtable info
set print pascal_static-members — Set printing of pascal static members
set print pretty — Set prettyprinting of structures
set print repeats — Set threshold for repeated print elements
set print sevenbit-strings — Set printing of 8-bit characters in strings as \nnn
set print static-members — Set printing of C++ static members
set print symbol-filename — Set printing of source filename and line number with <symbol>
set print thread-events — Set printing of thread events (such as thread start and exit)
set print union — Set printing of unions interior to structures
set print vtbl — Set printing of C++ virtual function tables
set prompt — Set gdb’s prompt
set radix — Set default input and output number radices
set record — Set record options
set record insn-number-max — Set record/replay buffer limit
set record stop-at-limit — Set whether record/replay stops when record/replay buffer becomes full
set remote — Remote protocol specific variables
set remote P-packet — Set use of remote protocol `P’ (set-register) packet
set remote X-packet — Set use of remote protocol `X’ (binary-download) packet
set remote Z-packet — Set use of remote protocol `Z’ packets
set remote access-watchpoint-packet — Set use of remote protocol `Z4′ (access-watchpoint) packet
set remote attach-packet — Set use of remote protocol `vAttach’ (attach) packet
set remote binary-download-packet — Set use of remote protocol `X’ (binary-download) packet
set remote conditional-tracepoints-packet — Set use of remote protocol `ConditionalTracepoints’ (conditional-tracepoints) packet
set remote exec-file — Set the remote pathname for “run”
set remote fetch-register-packet — Set use of remote protocol `p’ (fetch-register) packet
set remote get-thread-local-storage-address-packet — Set use of remote protocol `qGetTLSAddr’ (get-thread-local-storage-address) packet
set remote hardware-breakpoint-limit — Set the maximum number of target hardware breakpoints
set remote hardware-breakpoint-packet — Set use of remote protocol `Z1′ (hardware-breakpoint) packet
set remote hardware-watchpoint-limit — Set the maximum number of target hardware watchpoints
set remote hostio-close-packet — Set use of remote protocol `vFile:close’ (hostio-close) packet
set remote hostio-open-packet — Set use of remote protocol `vFile:open’ (hostio-open) packet
set remote hostio-pread-packet — Set use of remote protocol `vFile:pread’ (hostio-pread) packet
set remote hostio-pwrite-packet — Set use of remote protocol `vFile:pwrite’ (hostio-pwrite) packet
set remote hostio-unlink-packet — Set use of remote protocol `vFile:unlink’ (hostio-unlink) packet
set remote kill-packet — Set use of remote protocol `vKill’ (kill) packet
set remote library-info-packet — Set use of remote protocol `qXfer:libraries:read’ (library-info) packet
set remote memory-map-packet — Set use of remote protocol `qXfer:memory-map:read’ (memory-map) packet
set remote memory-read-packet-size — Set the maximum number of bytes per memory-read packet
set remote memory-write-packet-size — Set the maximum number of bytes per memory-write packet
set remote noack-packet — Set use of remote protocol `QStartNoAckMode’ (noack) packet
set remote osdata-packet — Set use of remote protocol `qXfer:osdata:read’ (osdata) packet
set remote p-packet — Set use of remote protocol `p’ (fetch-register) packet
set remote pass-signals-packet — Set use of remote protocol `QPassSignals’ (pass-signals) packet
set remote query-attached-packet — Set use of remote protocol `qAttached’ (query-attached) packet
set remote read-aux-vector-packet — Set use of remote protocol `qXfer:auxv:read’ (read-aux-vector) packet
set remote read-siginfo-object-packet — Set use of remote protocol `qXfer:siginfo:read’ (read-siginfo-object) packet
set remote read-spu-object-packet — Set use of remote protocol `qXfer:spu:read’ (read-spu-object) packet
set remote read-watchpoint-packet — Set use of remote protocol `Z3′ (read-watchpoint) packet
set remote reverse-continue-packet — Set use of remote protocol `bc’ (reverse-continue) packet
set remote reverse-step-packet — Set use of remote protocol `bs’ (reverse-step) packet
set remote run-packet — Set use of remote protocol `vRun’ (run) packet
set remote search-memory-packet — Set use of remote protocol `qSearch:memory’ (search-memory) packet
set remote set-register-packet — Set use of remote protocol `P’ (set-register) packet
set remote software-breakpoint-packet — Set use of remote protocol `Z0′ (software-breakpoint) packet
set remote supported-packets-packet — Set use of remote protocol `qSupported’ (supported-packets) packet
set remote symbol-lookup-packet — Set use of remote protocol `qSymbol’ (symbol-lookup) packet
set remote system-call-allowed — Set if the host system(3) call is allowed for the target
set remote target-features-packet — Set use of remote protocol `qXfer:features:read’ (target-features) packet
set remote verbose-resume-packet — Set use of remote protocol `vCont’ (verbose-resume) packet
set remote write-siginfo-object-packet — Set use of remote protocol `qXfer:siginfo:write’ (write-siginfo-object) packet
set remote write-spu-object-packet — Set use of remote protocol `qXfer:spu:write’ (write-spu-object) packet
set remote write-watchpoint-packet — Set use of remote protocol `Z2′ (write-watchpoint) packet
set remoteaddresssize — Set the maximum size of the address (in bits) in a memory packet
set remotebaud — Set baud rate for remote serial I/O
set remotebreak — Set whether to send break if interrupted
set remotecache — Set cache use for remote targets
set remoteflow — Set use of hardware flow control for remote serial I/O
set remotelogbase — Set numerical base for remote session logging
set remotelogfile — Set filename for remote session recording
set remotetimeout — Set timeout limit to wait for target to respond
set remotewritesize — Set the maximum number of bytes per memory write packet (deprecated)
set schedule-multiple — Set mode for resuming threads of all processes
set scheduler-locking — Set mode for locking scheduler during execution
set serial — Set default serial/parallel port configuration
set solib-absolute-prefix — Set an alternate system root
set solib-search-path — Set the search path for loading non-absolute shared library symbol files
set stack-cache — Set cache use for stack access
set step-mode — Set mode of the step operation
set stop-on-solib-events — Set stopping for shared library events
set struct-convention — Set the convention for returning small structs
set substitute-path — Usage: set substitute-path FROM TO
set symbol-reloading — Set dynamic symbol table reloading multiple times in one run
set sysroot — Set an alternate system root
set target-async — Set whether gdb controls the inferior in asynchronous mode
set target-charset — Set the target character set
set target-wide-charset — Set the target wide character set
set tcp — TCP protocol specific variables
set tcp auto-retry — Set auto-retry on socket connect
set tcp connect-timeout — Set timeout limit for socket connection
set tdesc — Set target description specific variables
set tdesc filename — Set the file to read for an XML target description
set trace-commands — Set tracing of GDB CLI commands
set trust-readonly-sections — Set mode for reading from readonly sections
set tui — TUI configuration variables
set tui active-border-mode — Set the attribute mode to use for the active TUI window border
set tui border-kind — Set the kind of border for TUI windows
set tui border-mode — Set the attribute mode to use for the TUI window borders
set unwind-on-terminating-exception — Set unwinding of stack if std::terminate is called while in call dummy
set unwindonsignal — Set unwinding of stack if a signal is received while in a call dummy
set variable — Evaluate expression EXP and assign result to variable VAR
set verbose — Set verbosity
set watchdog — Set watchdog timer
set width — Set number of characters gdb thinks are in a line
set write — Set writing into executable and core files
undisplay — Cancel some expressions to be displayed when program stops
whatis — Print data type of expression EXP
x — Examine memory: x/FMT ADDRESS
Command class: files
add-symbol-file — Load symbols from FILE
add-symbol-file-from-memory — Load the symbols out of memory from a dynamically loaded object file
cd — Set working directory to DIR for debugger and program being debugged
core-file — Use FILE as core dump for examining memory and registers
directory — Add directory DIR to beginning of search path for source files
edit — Edit specified file or function
exec-file — Use FILE as program for getting contents of pure memory
file — Use FILE as program to be debugged
forward-search — Search for regular expression (see regex(3)) from last line listed
generate-core-file — Save a core file with the current state of the debugged process
list — List specified function or line
load — Dynamically load FILE into the running program
nosharedlibrary — Unload all shared object library symbols
path — Add directory DIR(s) to beginning of search path for object files
pwd — Print working directory
remote — Manipulate files on the remote system
remote delete — Delete a remote file
remote get — Copy a remote file to the local system
remote put — Copy a local file to the remote system
reverse-search — Search backward for regular expression (see regex(3)) from last line listed
search — Search for regular expression (see regex(3)) from last line listed
section — Change the base address of section SECTION of the exec file to ADDR
sharedlibrary — Load shared object library symbols for files matching REGEXP
symbol-file — Load symbol table from executable file FILE
Command class: internals
flushregs — Force gdb to flush its register cache (maintainer command)
maintenance — Commands for use by GDB maintainers
maintenance agent — Translate an expression into remote agent bytecode for tracing
maintenance agent-eval — Translate an expression into remote agent bytecode for evaluation
maintenance check-symtabs — Check consistency of psymtabs and symtabs
maintenance cplus — C++ maintenance commands
maintenance cplus first_component — Print the first class/namespace component of NAME
maintenance cplus namespace — Print the list of possible C++ namespaces
maintenance demangle — Demangle a C++/ObjC mangled name
maintenance deprecate — Deprecate a command
maintenance dump-me — Get fatal error; make debugger dump its core
maintenance info — Commands for showing internal info about the program being debugged
maintenance info breakpoints — Status of all breakpoints
maintenance info psymtabs — List the partial symbol tables for all object files
maintenance info sections — List the BFD sections of the exec and core files
maintenance info symtabs — List the full symbol tables for all object files
maintenance internal-error — Give GDB an internal error
maintenance internal-warning — Give GDB an internal warning
maintenance packet — Send an arbitrary packet to a remote target
maintenance print — Maintenance command for printing GDB internal state
maintenance print architecture — Print the internal architecture configuration
maintenance print c-tdesc — Print the current target description as a C source file
maintenance print cooked-registers — Print the internal register configuration including cooked values
maintenance print dummy-frames — Print the contents of the internal dummy-frame stack
maintenance print msymbols — Print dump of current minimal symbol definitions
maintenance print objfiles — Print dump of current object file definitions
maintenance print psymbols — Print dump of current partial symbol definitions
maintenance print raw-registers — Print the internal register configuration including raw values
maintenance print reggroups — Print the internal register group names
maintenance print register-groups — Print the internal register configuration including each register’s group
maintenance print registers — Print the internal register configuration
maintenance print statistics — Print statistics about internal gdb state
maintenance print symbols — Print dump of current symbol definitions
maintenance print target-stack — Print the name of each layer of the internal target stack
maintenance print type — Print a type chain for a given symbol
maintenance set — Set GDB internal variables used by the GDB maintainer
maintenance set dwarf2 — Set DWARF 2 specific variables
maintenance set dwarf2 max-cache-age — Set the upper bound on the age of cached dwarf2 compilation units
maintenance set gdb_datadir — Set GDB’s datadir path
maintenance set internal-error — Configure what GDB does when internal-error is detected
maintenance set internal-error corefile — Set whether GDB should create a core file of GDB when internal-error is detected
maintenance set internal-error quit — Set whether GDB should quit when an internal-error is detected
maintenance set internal-warning — Configure what GDB does when internal-warning is detected
maintenance set internal-warning corefile — Set whether GDB should create a core file of GDB when internal-warning is detected
maintenance set internal-warning quit — Set whether GDB should quit when an internal-warning is detected
maintenance set profile — Set internal profiling
maintenance set python — Prefix command for python maintenance settings
maintenance set python auto-load — Enable or disable auto-loading of Python code when an object is opened
maintenance set python print-stack — Enable or disable printing of Python stack dump on error
maintenance set show-debug-regs — Set whether to show variables that mirror the x86 debug registers
maintenance show — Show GDB internal variables used by the GDB maintainer
maintenance show dwarf2 — Show DWARF 2 specific variables
maintenance show dwarf2 max-cache-age — Show the upper bound on the age of cached dwarf2 compilation units
maintenance show gdb_datadir — Show GDB’s datadir path
maintenance show internal-error — Show what GDB does when internal-error is detected
maintenance show internal-error corefile — Show whether GDB will create a core file of GDB when internal-error is detected
maintenance show internal-error quit — Show whether GDB will quit when an internal-error is detected
maintenance show internal-warning — Show what GDB does when internal-warning is detected
maintenance show internal-warning corefile — Show whether GDB will create a core file of GDB when internal-warning is detected
maintenance show internal-warning quit — Show whether GDB will quit when an internal-warning is detected
maintenance show profile — Show internal profiling
maintenance show python — Prefix command for python maintenance settings
maintenance show python auto-load — Show whether Python code will be auto-loaded when an object is opened
maintenance show python print-stack — Show whether Python stack will be printed on error
maintenance show show-debug-regs — Show whether to show variables that mirror the x86 debug registers
maintenance space — Set the display of space usage
maintenance time — Set the display of time usage
maintenance translate-address — Translate a section name and address to a symbol
maintenance undeprecate — Undeprecate a command
Command class: obscure
checkpoint — Fork a duplicate process (experimental)
compare-sections — Compare section data on target to the exec file
complete — List the completions for the rest of the line as a command
monitor — Send a command to the remote monitor (remote targets only)
python — Evaluate a Python command
record — Abbreviated form of “target record” command
record delete — Delete the rest of execution log and start recording it anew
record stop — Stop the record/replay target
restart — Restart <n>: restore program context from a checkpoint
stop — There is no `stop’ command
Command class: running
advance — Continue the program up to the given location (same form as args for break command)
attach — Attach to a process or file outside of GDB
continue — Continue program being debugged
detach — Detach a process or file previously attached
detach checkpoint — Detach from a checkpoint (experimental)
detach inferior — Detach from inferior ID
disconnect — Disconnect from a target
finish — Execute until selected stack frame returns
handle — Specify how to handle a signal
inferior — Use this command to switch between inferiors
interrupt — Interrupt the execution of the debugged program
jump — Continue program being debugged at specified line or address
kill — Kill execution of program being debugged
kill inferior — Kill inferior ID
next — Step program
nexti — Step one instruction
reverse-continue — Continue program being debugged but run it in reverse
reverse-finish — Execute backward until just before selected stack frame is called
reverse-next — Step program backward
reverse-nexti — Step backward one instruction
reverse-step — Step program backward until it reaches the beginning of another source line
reverse-stepi — Step backward exactly one instruction
run — Start debugged program
signal — Continue program giving it signal specified by the argument
start — Run the debugged program until the beginning of the main procedure
step — Step program until it reaches a different source line
stepi — Step one instruction exactly
target — Connect to a target machine or process
target child — Unix child process (started by the “run” command)
target core — Use a core file as a target
target exec — Use an executable file as a target
target extended-remote — Use a remote computer via a serial line
target multi-thread — Threads and pthreads support
target record — Log program while executing and replay execution from log
target remote — Use a remote computer via a serial line
task — Use this command to switch between Ada tasks
thread — Use this command to switch between threads
thread apply — Apply a command to a list of threads
thread apply all — Apply a command to all threads
until — Execute until the program reaches a source line greater than the current
Command class: stack
backtrace — Print backtrace of all stack frames
bt — Print backtrace of all stack frames
down — Select and print stack frame called by this one
frame — Select and print a stack frame
return — Make selected stack frame return to its caller
select-frame — Select a stack frame without printing anything
up — Select and print stack frame that called this one
Command class: status
info — Generic command for showing things about the program being debugged
info address — Describe where symbol SYM is stored
info all-registers — List of all registers and their contents
info args — Argument variables of current stack frame
info auxv — Display the inferior’s auxiliary vector
info breakpoints — Status of user-settable breakpoints
info catch — Exceptions that can be caught in the current stack frame
info checkpoints — IDs of currently known checkpoints
info classes — All Objective-C classes
info common — Print out the values contained in a Fortran COMMON block
info copying — Conditions for redistributing copies of GDB
info dcache — Print information on the dcache performance
info display — Expressions to display when program stops
info extensions — All filename extensions associated with a source language
info files — Names of targets and files being debugged
info float — Print the status of the floating point unit
info frame — All about selected stack frame
info functions — All function names
info handle — What debugger does when program gets various signals
info inferiors — IDs of currently known inferiors
info line — Core addresses of the code for a source line
info locals — Local variables of current stack frame
info macro — Show the definition of MACRO
info mem — Memory region attributes
info os — Show OS data ARG
info proc — Show /proc process information about any running process
info program — Execution status of the program
info record — Info record options
info record insn-number — Show the current number of instructions in the record/replay buffer
info registers — List of integer registers and their contents
info scope — List the variables local to a scope
info selectors — All Objective-C selectors
info set — Show all GDB settings
info sharedlibrary — Status of loaded shared object libraries
info signals — What debugger does when program gets various signals
info source — Information about the current source file
info sources — Source files in the program
info stack — Backtrace of the stack
info symbol — Describe what symbol is at location ADDR
info target — Names of targets and files being debugged
info tasks — Provide information about all known Ada tasks
info terminal — Print inferior’s saved terminal status
info threads — IDs of currently known threads
info tracepoints — Status of tracepoints
info types — All type names
info variables — All global and static variable names
info vector — Print the status of the vector unit
info warranty — Various kinds of warranty you do not have
info watchpoints — Synonym for “info breakpoints”
info win — List of all displayed windows
macro — Prefix for commands dealing with C preprocessor macros
macro define — Define a new C/C++ preprocessor macro
macro expand — Fully expand any C/C++ preprocessor macro invocations in EXPRESSION
macro expand-once — Expand C/C++ preprocessor macro invocations appearing directly in EXPRESSION
macro list — List all the macros defined using the `macro define’ command
macro undef — Remove the definition of the C/C++ preprocessor macro with the given name
show — Generic command for showing things about the debugger
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 auto-solib-add — Show autoloading of shared library symbols
show backtrace — Show backtrace specific variables
show backtrace limit — Show the upper bound on the number of backtrace levels
show backtrace past-entry — Show whether backtraces should continue past the entry point of a program
show backtrace past-main — Show whether backtraces should continue past “main”
show backtrace past-zero-pc — Show whether backtraces should continue past a zero pc value
show breakpoint — Breakpoint specific settings
show breakpoint always-inserted — Show mode for inserting breakpoints
show breakpoint auto-hw — Show automatic usage of hardware breakpoints
show breakpoint pending — Show debugger’s behavior regarding pending breakpoints
show build-id-core-loads — Show whether CORE-FILE loads the build-id associated files automatically
show build-id-verbose — Show debugging level of the build-id locator
show can-use-hw-watchpoints — Show debugger’s willingness to use watchpoint hardware
show case-sensitive — Show case sensitivity in name search
show charset — Show the host and target character sets
show check — Show the status of the type/range checker
show check range — Show range checking
show check type — Show type checking
show coerce-float-to-double — Show coercion of floats to doubles when calling functions
show commands — Show the history of commands you typed
show complaints — Show max number of complaints about incorrect symbols
show confirm — Show whether to confirm potentially dangerous operations
show convenience — Debugger convenience (“$foo”) variables
show copying — Conditions for redistributing copies of GDB
show cp-abi — Show the ABI used for inspecting C++ objects
show data-directory — Show GDB’s data directory
show debug — Generic command for showing gdb debugging flags
show debug arch — Show architecture debugging
show debug displaced — Show displaced stepping debugging
show debug dwarf2-die — Show debugging of the dwarf2 DIE reader
show debug expression — Show expression debugging
show debug frame — Show frame debugging
show debug infrun — Show inferior debugging
show debug lin-lwp — Show debugging of GNU/Linux lwp module
show debug lin-lwp-async — Show debugging of GNU/Linux async lwp module
show debug observer — Show observer debugging
show debug overload — Show debugging of C++ overloading
show debug record — Show debugging of record/replay feature
show debug remote — Show debugging of remote protocol
show debug serial — Show serial debugging
show debug target — Show target debugging
show debug timestamp — Show timestamping of debugging messages
show debug xml — Show XML parser debugging
show debug-file-directory — Show the directories where separate debug symbols are searched for
show debugvarobj — Show varobj debugging
show demangle-style — Show the current C++ demangling style
show detach-on-fork — Show whether gdb will detach the child of a fork
show directories — Current search path for finding source files
show disable-randomization — Show disabling of debuggee’s virtual address space randomization
show disassemble-next-line — Show whether to disassemble next source line or insn when execution stops
show disassembly-flavor — Show the disassembly flavor
show displaced-stepping — Show debugger’s willingness to use displaced stepping
show editing — Show editing of command lines as they are typed
show endian — Show endianness of target
show environment — The environment to give the program
show exec-direction — Show direction of execution (forward/reverse)
show exec-done-display — Show notification of completion for asynchronous execution commands
show exec-wrapper — Show the wrapper for running programs
show extension-language — Show mapping between filename extension and source language
show follow-fork-mode — Show debugger response to a program call of fork or vfork
show gnutarget — Show the current BFD target
show height — Show number of lines gdb thinks are in a page
show history — Generic command for showing command history parameters
show history expansion — Show history expansion on command input
show history filename — Show the filename in which to record the command history
show history save — Show saving of the history record on exit
show history size — Show the size of the command history
show host-charset — Show the host character set
show inferior-tty — Show terminal for future runs of program being debugged
show input-radix — Show default input radix for entering numbers
show interactive-mode — Show whether GDB runs in interactive mode
show language — Show the current source language
show libthread-db-search-path — Show the current search path or libthread_db
show listsize — Show number of source lines gdb will list by default
show logging — Show logging options
show logging file — Show the current logfile
show logging overwrite — Show whether logging overwrites or appends to the log file
show logging redirect — Show the logging output mode
show max-user-call-depth — Show the max call depth for user-defined commands
show mem — Memory regions settings
show mem inaccessible-by-default — Show handling of unknown memory regions
show multiple-symbols — Show how the debugger handles ambiguities in expressions
show non-stop — Show whether gdb controls the inferior in non-stop mode
show opaque-type-resolution — Show resolution of opaque struct/class/union types (if set before loading symbols)
show osabi — Show OS ABI of target
show output-radix — Show default output radix for printing of values
show overload-resolution — Show overload resolution in evaluating C++ functions
show pagination — Show state of pagination
show paths — Current search path for finding object files
show print — Generic command for showing print settings
show print address — Show printing of addresses
show print array — Show prettyprinting of arrays
show print array-indexes — Show printing of array indexes
show print asm-demangle — Show demangling of C++/ObjC names in disassembly listings
show print demangle — Show demangling of encoded C++/ObjC names when displaying symbols
show print elements — Show limit on string chars or array elements to print
show print frame-arguments — Show printing of non-scalar frame arguments
show print inferior-events — Show printing of inferior events (e
show print max-symbolic-offset — Show the largest offset that will be printed in <symbol+1234> form
show print null-stop — Show printing of char arrays to stop at first null char
show print object — Show printing of object’s derived type based on vtable info
show print pascal_static-members — Show printing of pascal static members
show print pretty — Show prettyprinting of structures
show print repeats — Show threshold for repeated print elements
show print sevenbit-strings — Show printing of 8-bit characters in strings as \nnn
show print static-members — Show printing of C++ static members
show print symbol-filename — Show printing of source filename and line number with <symbol>
show print thread-events — Show printing of thread events (such as thread start and exit)
show print union — Show printing of unions interior to structures
show print vtbl — Show printing of C++ virtual function tables
show prompt — Show gdb’s prompt
show radix — Show the default input and output number radices
show record — Show record options
show record insn-number-max — Show record/replay buffer limit
show record stop-at-limit — Show whether record/replay stops when record/replay buffer becomes full
show remote — Remote protocol specific variables
show remote P-packet — Show current use of remote protocol `P’ (set-register) packet
show remote X-packet — Show current use of remote protocol `X’ (binary-download) packet
show remote Z-packet — Show use of remote protocol `Z’ packets
show remote access-watchpoint-packet — Show current use of remote protocol `Z4′ (access-watchpoint) packet
show remote attach-packet — Show current use of remote protocol `vAttach’ (attach) packet
show remote binary-download-packet — Show current use of remote protocol `X’ (binary-download) packet
show remote conditional-tracepoints-packet — Show current use of remote protocol `ConditionalTracepoints’ (conditional-tracepoints) packet
show remote exec-file — Show the remote pathname for “run”
show remote fetch-register-packet — Show current use of remote protocol `p’ (fetch-register) packet
show remote get-thread-local-storage-address-packet — Show current use of remote protocol `qGetTLSAddr’ (get-thread-local-storage-address) packet
show remote hardware-breakpoint-limit — Show the maximum number of target hardware breakpoints
show remote hardware-breakpoint-packet — Show current use of remote protocol `Z1′ (hardware-breakpoint) packet
show remote hardware-watchpoint-limit — Show the maximum number of target hardware watchpoints
show remote hostio-close-packet — Show current use of remote protocol `vFile:close’ (hostio-close) packet
show remote hostio-open-packet — Show current use of remote protocol `vFile:open’ (hostio-open) packet
show remote hostio-pread-packet — Show current use of remote protocol `vFile:pread’ (hostio-pread) packet
show remote hostio-pwrite-packet — Show current use of remote protocol `vFile:pwrite’ (hostio-pwrite) packet
show remote hostio-unlink-packet — Show current use of remote protocol `vFile:unlink’ (hostio-unlink) packet
show remote kill-packet — Show current use of remote protocol `vKill’ (kill) packet
show remote library-info-packet — Show current use of remote protocol `qXfer:libraries:read’ (library-info) packet
show remote memory-map-packet — Show current use of remote protocol `qXfer:memory-map:read’ (memory-map) packet
show remote memory-read-packet-size — Show the maximum number of bytes per memory-read packet
show remote memory-write-packet-size — Show the maximum number of bytes per memory-write packet
show remote noack-packet — Show current use of remote protocol `QStartNoAckMode’ (noack) packet
show remote osdata-packet — Show current use of remote protocol `qXfer:osdata:read’ (osdata) packet
show remote p-packet — Show current use of remote protocol `p’ (fetch-register) packet
show remote pass-signals-packet — Show current use of remote protocol `QPassSignals’ (pass-signals) packet
show remote query-attached-packet — Show current use of remote protocol `qAttached’ (query-attached) packet
show remote read-aux-vector-packet — Show current use of remote protocol `qXfer:auxv:read’ (read-aux-vector) packet
show remote read-siginfo-object-packet — Show current use of remote protocol `qXfer:siginfo:read’ (read-siginfo-object) packet
show remote read-spu-object-packet — Show current use of remote protocol `qXfer:spu:read’ (read-spu-object) packet
show remote read-watchpoint-packet — Show current use of remote protocol `Z3′ (read-watchpoint) packet
show remote reverse-continue-packet — Show current use of remote protocol `bc’ (reverse-continue) packet
show remote reverse-step-packet — Show current use of remote protocol `bs’ (reverse-step) packet
show remote run-packet — Show current use of remote protocol `vRun’ (run) packet
show remote search-memory-packet — Show current use of remote protocol `qSearch:memory’ (search-memory) packet
show remote set-register-packet — Show current use of remote protocol `P’ (set-register) packet
show remote software-breakpoint-packet — Show current use of remote protocol `Z0′ (software-breakpoint) packet
show remote supported-packets-packet — Show current use of remote protocol `qSupported’ (supported-packets) packet
show remote symbol-lookup-packet — Show current use of remote protocol `qSymbol’ (symbol-lookup) packet
show remote system-call-allowed — Show if the host system(3) call is allowed for the target
show remote target-features-packet — Show current use of remote protocol `qXfer:features:read’ (target-features) packet
show remote verbose-resume-packet — Show current use of remote protocol `vCont’ (verbose-resume) packet
show remote write-siginfo-object-packet — Show current use of remote protocol `qXfer:siginfo:write’ (write-siginfo-object) packet
show remote write-spu-object-packet — Show current use of remote protocol `qXfer:spu:write’ (write-spu-object) packet
show remote write-watchpoint-packet — Show current use of remote protocol `Z2′ (write-watchpoint) packet
show remoteaddresssize — Show the maximum size of the address (in bits) in a memory packet
show remotebaud — Show baud rate for remote serial I/O
show remotebreak — Show whether to send break if interrupted
show remotecache — Show cache use for remote targets
show remoteflow — Show use of hardware flow control for remote serial I/O
show remotelogbase — Show numerical base for remote session logging
show remotelogfile — Show filename for remote session recording
show remotetimeout — Show timeout limit to wait for target to respond
show remotewritesize — Show the maximum number of bytes per memory write packet (deprecated)
show schedule-multiple — Show mode for resuming threads of all processes
show scheduler-locking — Show mode for locking scheduler during execution
show serial — Show default serial/parallel port configuration
show solib-absolute-prefix — Show the current system root
show solib-search-path — Show the search path for loading non-absolute shared library symbol files
show stack-cache — Show cache use for stack access
show step-mode — Show mode of the step operation
show stop-on-solib-events — Show stopping for shared library events
show struct-convention — Show the convention for returning small structs
show substitute-path — Usage: show substitute-path [FROM]
show symbol-reloading — Show dynamic symbol table reloading multiple times in one run
show sysroot — Show the current system root
show target-async — Show whether gdb controls the inferior in asynchronous mode
show target-charset — Show the target character set
show target-wide-charset — Show the target wide character set
show tcp — TCP protocol specific variables
show tcp auto-retry — Show auto-retry on socket connect
show tcp connect-timeout — Show timeout limit for socket connection
show tdesc — Show target description specific variables
show tdesc filename — Show the file to read for an XML target description
show trace-commands — Show state of GDB CLI command tracing
show trust-readonly-sections — Show mode for reading from readonly sections
show tui — TUI configuration variables
show tui active-border-mode — Show the attribute mode to use for the active TUI window border
show tui border-kind — Show the kind of border for TUI windows
show tui border-mode — Show the attribute mode to use for the TUI window borders
show unwind-on-terminating-exception — Show unwinding of stack if std::terminate() is called while in a call dummy
show unwindonsignal — Show unwinding of stack if a signal is received while in a call dummy
show user — Show definitions of user defined commands
show values — Elements of value history around item number IDX (or last ten)
show verbose — Show verbosity
show version — Show what version of GDB this is
show warranty — Various kinds of warranty you do not have
show watchdog — Show watchdog timer
show width — Show number of characters gdb thinks are in a line
show write — Show writing into executable and core files
Command class: support
apropos — Search for commands matching a REGEXP
define — Define a new command name
document — Document a user-defined command
dont-repeat — Don’t repeat this command
down-silently — Same as the `down’ command
echo — Print a constant string
help — Print list of commands
if — Execute nested commands once IF the conditional expression is non zero
interpreter-exec — Execute a command in an interpreter
make — Run the “make” program using the rest of the line as arguments
overlay — Commands for debugging overlays
overlay auto — Enable automatic overlay debugging
overlay list-overlays — List mappings of overlay sections
overlay load-target — Read the overlay mapping state from the target
overlay manual — Enable overlay debugging
overlay map-overlay — Assert that an overlay section is mapped
overlay off — Disable overlay debugging
overlay unmap-overlay — Assert that an overlay section is unmapped
quit — Exit gdb
require — Prefix command for requiring features
require command — Demand-load a command by name
require function — Demand-load a function by name
shell — Execute the rest of the line as a shell command
source — Read commands from a file named FILE
up-silently — Same as the `up’ command
while — Execute nested commands WHILE the conditional expression is non zero
Command class: tracepoints
actions — Specify the actions to be taken at a tracepoint
collect — Specify one or more data items to be collected at a tracepoint
end — Ends a list of commands or actions
passcount — Set the passcount for a tracepoint
save-tracepoints — Save current tracepoint definitions as a script
tdump — Print everything collected at the current tracepoint
tfind — Select a trace frame;
tfind end — Synonym for ‘none’
tfind line — Select a trace frame by source line
tfind none — De-select any trace frame and resume ‘live’ debugging
tfind outside — Select a trace frame whose PC is outside the given range
tfind pc — Select a trace frame by PC
tfind range — Select a trace frame whose PC is in the given range
tfind start — Select the first trace frame in the trace buffer
tfind tracepoint — Select a trace frame by tracepoint number
tstart — Start trace data collection
tstatus — Display the status of the current trace data collection
tstop — Stop trace data collection
while-stepping — Specify single-stepping behavior at a tracepoint
Command class: user-defined
Unclassified commands
function — Placeholder command for showing help on convenience functions
unset — Complement to certain “set” commands
unset environment — Cancel environment variable VAR for the program
unset exec-wrapper — Disable use of an execution wrapper
unset substitute-path — Usage: unset substitute-path [FROM]
unset tdesc — Unset target description specific variables
unset tdesc filename — Unset the file to read for an XML target description
