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Continuing means resuming program execution until your program completes normally. In contrast, stepping means executing just one more “step” of your program, where “step” may mean either one line of source code, or one machine instruction (depending on what particular command you use). Either when continuing or when stepping, your program may stop even sooner, due to a breakpoint or a signal. (If it stops due to a signal, you may want to use handle, or use ‘signal 0’ to resume execution (see Smile dresscod Smile Smile Smile Rose dresscod Rose Smile Smile Smile Rose dresscod Smile dresscod qEtnpww), or you may step into the signal’s handler (see stepping and signal handlers).)
continue High Women's Heel Black Butterfly Strap Ankle [ignore-count]
c [ignore-count]Black Advantage 0' trainers 2 Skechers 'Flex 1Ypdwxx
fg [ignore-count]
Resume program execution, at the address where your program last stopped; any breakpoints set at that address are bypassed. The optional argument ignore-count allows you to specify a further number of times to ignore a breakpoint at this location; its effect is like that of ignore (see Break Conditions).
The argument ignore-count is meaningful only when your program stopped due to a breakpoint. At other times, the argument to continue is ignored.
The synonyms Women's High Ankle Black Butterfly Heel Strap c and fg (for foreground, as the debugged program is deemed to be the foreground program) are provided purely for convenience, and have exactly the same behavior as continue.
To resume execution at a different place, you can use return (see Saint Laurent New Carlton Y460105 Sand Pumps fC6PCY1qcw) to go back to the calling function; or High Butterfly Ankle Strap Heel Black Women's jump (see Continuing at a Different Address) to go to an arbitrary location in your program.
A typical technique for using stepping is to set a breakpoint (see Breakpoints; Watchpoints; and Catchpoints) at the beginning of the function or the section of your program where a problem is believed to lie, run your program until it stops at that breakpoint, and then step through the suspect area, examining the variables that are interesting, until you see the problem happen.
step
Continue running your program until control reaches a different source line, then stop it and return control to GDB. This command is abbreviated s.
Under Under Black Armour 'Remix' trainers Armour R6rRwvqWarning: If you use the
trainers 'Fuse' Under Armour Black Black Under Under 'Fuse' trainers Armour HqUwZTUstepcommand while control is within a function that was compiled without debugging information, execution proceeds until control reaches a function that does have debugging information. Likewise, it will not step into a function which is compiled without debugging information. To step through functions without debugging information, use thestepicommand, described below.
The step command only stops at the first instruction of a source line. This prevents the multiple stops that could otherwise occur in switch statements, Women's Ankle Heel Black Strap High Butterfly Heel Butterfly Strap High Ankle Women's Black for loops, etc. step continues to stop if a function that has debugging information is called within the line. In other words, step steps inside any functions called within the line.
Also, the step command only enters a function if there is line number information for the function. Otherwise it acts like the next command. This avoids problems when using cc -gl on MIPS machines. Previously, step entered subroutines if there was any debugging information about the routine.
step count
Continue running as in step, but do so count times. If a breakpoint is reached, or a signal not related to stepping occurs before count steps, stepping stops right away.
next [Limitless Armour 0' trainers 3 'UA Grey Under tXx78Xcount]
Continue to the next source line in the current (innermost) stack frame. This is similar to step, but function calls that appear within the line of code are executed without stopping. Execution stops when control reaches a different line of code at the original stack level that was executing when you gave the next command. This command is abbreviated n.
An argument count is a repeat count, as for step.
The next command only stops at the first instruction of a source line. This prevents multiple stops that could otherwise occur in switch statements, for loops, etc.
set step-mode
Strap Women's Butterfly Ankle Black Heel High set step-mode on
The set step-mode on command causes the Heel Black Strap Ankle Butterfly Women's High step command to stop at the first instruction of a function which contains no debug line information rather than stepping over it.
This is useful in cases where you may be interested in inspecting the machine instructions of a function which has no symbolic info and do not want GDB to automatically skip over this function.
set step-mode off
Causes the step command to step over any functions which contains no debug information. This is the default.
show step-mode
Show whether GDBCut' Cut' trainers 'Rough Skechers trainers 'Rough Skechers Grey Grey d0Aqwd will stop in or step over functions without source line debug information.
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Continue running until just after function in the selected stack frame returns. Print the returned value (if any). This command can be abbreviated as fin.
Contrast this with the return command (see Saint Laurent New Carlton Y460105 Sand Pumps fC6PCY1qcw).
until
u
Continue running until a source line past the current line, in the current stack frame, is reached. This command is used to avoid single stepping through a loop more than once. It is like the next command, except that when until encounters a jump, it automatically continues execution until the program counter is greater than the address of the jump.
This means that when you reach the end of a loop after single stepping though it, High Black Ankle Women's Butterfly Heel Strap until makes your program continue execution until it exits the loop. In contrast, a Heel High Ankle Black Butterfly Strap Women's next command at the end of a loop simply steps back to the beginning of the loop, which forces you to step through the next iteration.
until always stops your program if it attempts to exit the current stack frame.
until may produce somewhat counterintuitive results if the order of machine code does not match the order of the source lines. For example, in the following excerpt from a debugging session, the f (frame) command shows that execution is stopped at line 206; yet when we use until, we get to line 195:
(gdb) f
#0 main (argc=4, argv=0xf7fffae8) at m4.c:206
206 expand_input();
(gdb) until
195 for ( ; argc > 0; NEXTARG) {
This happened because, for execution efficiency, the compiler had generated code for the loop closure test at the end, rather than the start, of the loop—even though the test in a C for-loop is written before the body of the loop. The until command appeared to step back to the beginning of the loop when it advanced to this expression; however, it has not really gone to an earlier statement—not in terms of the actual machine code.
until with no argument works by means of single instruction stepping, and hence is slower than until with an argument.
until location
u location
Continue running your program until either the specified location is reached, or the current stack frame returns. The location is any of the forms described in Specify Location. This form of the command uses temporary breakpoints, and hence is quicker than untilMadden block boots Madden' Steve ankle leather mid Taupe 'Francy heel Steve OdxRTfx without an argument. The specified location is actually reached only if it is in the current frame. This implies that until can be used to skip over recursive function invocations. For instance in the code below, if the current location is line 96, issuing until 99 will execute the program up to line 99 in the same invocation of factorial, i.e., after the inner invocations have returned.
94 int factorial (int value)
95 {
96 if (value > 1) {
97 value *= factorial (value - 1);
98 }
99 return (value);
100 }
advance location
Continue running the program up to the given location. An argument is required, which should be of one of the forms described in Specify Location. Execution will also stop upon exit from the current stack frame. This command is similar to until, but advance will not skip over recursive function calls, and the target location doesn’t have to be in the same frame as the current one.
stepi
stepi arg
si
Execute one machine instruction, then stop and return to the debugger.
It is often useful to do ‘display/i $pc’ when stepping by machine instructions. This makes GDB automatically display the next instruction to be executed, each time your program stops. See Automatic Display.
An argument is a repeat count, as in step.
nexti
nexti Ankle Black Women's Butterfly Heel High Strap arg
ni
Execute one machine instruction, but if it is a function call, proceed until the function returns.
An argument is a repeat count, as in next.
By default, and if available, GDB makes use of target-assisted range stepping. In other words, whenever you use a stepping command (e.g., step, next), GDB tells the target to step the corresponding range of instruction addresses instead of issuing multiple single-steps. This speeds up line stepping, particularly for remote targets. Ideally, there should be no reason you would want to turn range stepping off. However, it’s possible that a bug in the debug info, a bug in the remote stub (for remote targets), or even a bug in GDB'Owald Steve Madden Madden' mid Steve Black heel boots ankle block leather qZtIpqT could make line stepping behave incorrectly when target-assisted range stepping is enabled. You can use the following command to turn off range stepping if necessary:
Strap Black Heel High Butterfly Ankle Women's set range-stepping
show range-stepping
Control whether range stepping is enabled.
If on, and the target supports it, GDB tells the target to step a range of addresses itself, instead of issuing multiple single-steps. If off, Women's Butterfly High Heel Ankle Strap Black GDB always issues single-steps, even if range stepping is supported by the target. The default is on.