diff options
| author | janus <janus@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-12-20 18:15:13 +0000 |
|---|---|---|
| committer | janus <janus@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-12-20 18:15:13 +0000 |
| commit | 899edbaee55489361761c430594a797278cd1537 (patch) | |
| tree | e5d70c766699e82a05d85f8b91a5a37c1eee9520 /gcc/fortran/intrinsic.texi | |
| parent | 43788075a5fcdf115de8ca7b0ee91fd68d998529 (diff) | |
| download | gcc-899edbaee55489361761c430594a797278cd1537.tar.gz | |
2012-12-20 Janus Weil <janus@gcc.gnu.org>
PR fortran/36044
* gfortran.h (gfc_isym_id): Add GFC_ISYM_BACKTRACE.
* intrinsic.c (add_subroutines): Add "backtrace".
* intrinsic.texi (BACKTRACE): Document BACKTRACE intrinsic.
2012-12-20 Janus Weil <janus@gcc.gnu.org>
PR fortran/36044
* gfortran.map: Add _gfortran_backtrace.
* libgfortran.h: Rename 'show_backtrace' and export.
* runtime/backtrace.c (show_backtrace): Rename to 'backtrace'.
Don't show message. Close file descriptor. Export.
* runtime/compile_options.c (backtrace_handler): Renamed
'show_backtrace'. Move message outside.
* runtime/error.c (sys_abort): Ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194648 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fortran/intrinsic.texi')
| -rw-r--r-- | gcc/fortran/intrinsic.texi | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/gcc/fortran/intrinsic.texi b/gcc/fortran/intrinsic.texi index 3390959e20b..fc256cb9e8b 100644 --- a/gcc/fortran/intrinsic.texi +++ b/gcc/fortran/intrinsic.texi @@ -63,6 +63,7 @@ Some basic guidelines for editing this document: * @code{ATANH}: ATANH, Inverse hyperbolic tangent function * @code{ATOMIC_DEFINE}: ATOMIC_DEFINE, Setting a variable atomically * @code{ATOMIC_REF}: ATOMIC_REF, Obtaining the value of a variable atomically +* @code{BACKTRACE}: BACKTRACE, Show a backtrace * @code{BESSEL_J0}: BESSEL_J0, Bessel function of the first kind of order 0 * @code{BESSEL_J1}: BESSEL_J1, Bessel function of the first kind of order 1 * @code{BESSEL_JN}: BESSEL_JN, Bessel function of the first kind @@ -349,6 +350,7 @@ the applicable standard for each intrinsic procedure is noted. @item @emph{Description}: @code{ABORT} causes immediate termination of the program. On operating systems that support a core dump, @code{ABORT} will produce a core dump. +It will also print a backtrace, unless @code{-fno-backtrace} is given. @item @emph{Standard}: GNU extension @@ -371,7 +373,7 @@ end program test_abort @end smallexample @item @emph{See also}: -@ref{EXIT}, @ref{KILL} +@ref{EXIT}, @ref{KILL}, @ref{BACKTRACE} @end table @@ -1644,6 +1646,35 @@ end program atomic +@node BACKTRACE +@section @code{BACKTRACE} --- Show a backtrace +@fnindex BACKTRACE +@cindex backtrace + +@table @asis +@item @emph{Description}: +@code{BACKTRACE} shows a backtrace at an arbitrary place in user code. Program +execution continues normally afterwards. The backtrace information is printed +to the unit corresponding to @code{ERROR_UNIT} in @code{ISO_FORTRAN_ENV}. + +@item @emph{Standard}: +GNU Extension + +@item @emph{Class}: +Subroutine + +@item @emph{Syntax}: +@code{CALL BACKTRACE} + +@item @emph{Arguments}: +None + +@item @emph{See also}: +@ref{ABORT} +@end table + + + @node BESSEL_J0 @section @code{BESSEL_J0} --- Bessel function of the first kind of order 0 @fnindex BESSEL_J0 |