diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/doc/ChangeLog | 7 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 77 |
2 files changed, 60 insertions, 24 deletions
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index 507d855..4031a4a 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,10 @@ +2010-02-12 Jakob Engblom <jakob@virtutech.com> + + * gdb.texinfo (MI commands): Added documentation of --reverse + option to a set of MI commands. Restructured documentation of MI + commands --exec-continue to reflect the complexity of reverse + execution. + 2010-02-12 Pedro Alves <pedro@codesourcery.com> * gdb.texinfo (Using the Collected Data): Specify that the address diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index eb11197..0e3e093 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -5366,7 +5366,7 @@ line of a function back to its return to its caller Like @code{nexti}, @code{reverse-nexti} executes a single instruction in reverse, except that called functions are ``un-executed'' atomically. That is, if the previously executed instruction was a return from -another instruction, @code{reverse-nexti} will continue to execute +another function, @code{reverse-nexti} will continue to execute in reverse until the call to that function (from the current stack frame) is reached. @@ -23317,20 +23317,29 @@ other cases. @subsubheading Synopsis @smallexample - -exec-continue [--all|--thread-group N] + -exec-continue [--reverse] [--all|--thread-group N] @end smallexample -Resumes the execution of the inferior program until a breakpoint is -encountered, or until the inferior exits. In all-stop mode -(@pxref{All-Stop Mode}), may resume only one thread, or all threads, -depending on the value of the @samp{scheduler-locking} variable. In -non-stop mode (@pxref{Non-Stop Mode}), if the @samp{--all} is not -specified, only the thread specified with the @samp{--thread} option -(or current thread, if no @samp{--thread} is provided) is resumed. If -@samp{--all} is specified, all threads will be resumed. The -@samp{--all} option is ignored in all-stop mode. If the -@samp{--thread-group} options is specified, then all threads in that -thread group are resumed. +Resumes the execution of the inferior program, which will continue +to execute until it reaches a debugger stop event. If the +@samp{--reverse} option is specified, execution resumes in reverse until +it reaches a stop event. Stop events may include +@itemize @bullet +@item +breakpoints or watchpoints +@item +signals or exceptions +@item +the end of the process (or its beginning under @samp{--reverse}) +@item +the end or beginning of a replay log if one is being used. +@end itemize +In all-stop mode (@pxref{All-Stop +Mode}), may resume only one thread, or all threads, depending on the +value of the @samp{scheduler-locking} variable. If @samp{--all} is +specified, all threads will be resumed. The @samp{--all} option is +ignored in all-stop mode. If the @samp{--thread-group} options is +specified, then all threads in that thread group are resumed. @subsubheading @value{GDBN} Command @@ -23356,11 +23365,14 @@ line="13"@} @subsubheading Synopsis @smallexample - -exec-finish + -exec-finish [--reverse] @end smallexample Resumes the execution of the inferior program until the current function is exited. Displays the results returned by the function. +If the @samp{--reverse} option is specified, resumes the reverse +execution of the inferior program until the point where current +function was called. @subsubheading @value{GDBN} Command @@ -23479,12 +23491,19 @@ The corresponding @value{GDBN} command is @samp{jump}. @subsubheading Synopsis @smallexample - -exec-next + -exec-next [--reverse] @end smallexample Resumes execution of the inferior program, stopping when the beginning of the next source line is reached. +If the @samp{--reverse} option is specified, resumes reverse execution +of the inferior program, stopping at the beginning of the previous +source line. If you issue this command on the first line of a +function, it will take you back to the caller of that function, to the +source line where the function was called. + + @subsubheading @value{GDBN} Command The corresponding @value{GDBN} command is @samp{next}. @@ -23506,7 +23525,7 @@ The corresponding @value{GDBN} command is @samp{next}. @subsubheading Synopsis @smallexample - -exec-next-instruction + -exec-next-instruction [--reverse] @end smallexample Executes one machine instruction. If the instruction is a function @@ -23514,6 +23533,12 @@ call, continues until the function returns. If the program stops at an instruction in the middle of a source line, the address will be printed as well. +If the @samp{--reverse} option is specified, resumes reverse execution +of the inferior program, stopping at the previous instruction. If the +previously executed instruction was a return from another function, +it will continue to execute in reverse until the call to that function +(from the current stack frame) is reached. + @subsubheading @value{GDBN} Command The corresponding @value{GDBN} command is @samp{nexti}. @@ -23656,13 +23681,15 @@ signal-meaning="Interrupt" @subsubheading Synopsis @smallexample - -exec-step + -exec-step [--reverse] @end smallexample Resumes execution of the inferior program, stopping when the beginning of the next source line is reached, if the next source line is not a function call. If it is, stop at the first instruction of the called -function. +function. If the @samp{--reverse} option is specified, resumes reverse +execution of the inferior program, stopping at the beginning of the +previously executed source line. @subsubheading @value{GDBN} Command @@ -23700,14 +23727,16 @@ Regular stepping: @subsubheading Synopsis @smallexample - -exec-step-instruction + -exec-step-instruction [--reverse] @end smallexample -Resumes the inferior which executes one machine instruction. The -output, once @value{GDBN} has stopped, will vary depending on whether -we have stopped in the middle of a source line or not. In the former -case, the address at which the program stopped will be printed as -well. +Resumes the inferior which executes one machine instruction. If the +@samp{--reverse} option is specified, resumes reverse execution of the +inferior program, stopping at the previously executed instruction. +The output, once @value{GDBN} has stopped, will vary depending on +whether we have stopped in the middle of a source line or not. In the +former case, the address at which the program stopped will be printed +as well. @subsubheading @value{GDBN} Command |