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Diffstat (limited to 'gdb/doc')
| -rw-r--r-- | gdb/doc/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 22 |
2 files changed, 27 insertions, 0 deletions
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index ba15232..3efed67 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,8 @@ +2019-04-27 Philippe Waroquiers <philippe.waroquiers@skynet.be> + + * gdb.texinfo (Calling): Document the new + set|show may-call-functions. + 2019-04-22 Pedro Alves <palves@redhat.com> * gdb.texinfo (Reverse Execution): Mention and xref process record diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 0733e1a..cf8333d 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -18693,6 +18693,28 @@ the default C@t{++} exception handler and the inferior terminated. Show the current setting of stack unwinding in the functions called by @value{GDBN}. +@item set may-call-functions +@kindex set may-call-functions +@cindex disabling calling functions in the program +@cindex calling functions in the program, disabling +Set permission to call functions in the program. +This controls whether @value{GDBN} will attempt to call functions in +the program, such as with expressions in the @code{print} command. It +defaults to @code{on}. + +To call a function in the program, @value{GDBN} has to temporarily +modify the state of the inferior. This has potentially undesired side +effects. Also, having @value{GDBN} call nested functions is likely to +be erroneous and may even crash the program being debugged. You can +avoid such hazards by forbidding @value{GDBN} from calling functions +in the program being debugged. If calling functions in the program +is forbidden, GDB will throw an error when a command (such as printing +an expression) starts a function call in the program. + +@item show may-call-functions +@kindex show may-call-functions +Show permission to call functions in the program. + @end table @subsection Calling functions with no debug info |