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-rw-r--r--gcc/fortran/ChangeLog15
-rw-r--r--gcc/fortran/gfortran.h1
-rw-r--r--gcc/fortran/gfortran.texi24
-rw-r--r--gcc/fortran/intrinsic.texi5
-rw-r--r--gcc/fortran/invoke.texi26
-rw-r--r--gcc/fortran/lang.opt4
-rw-r--r--gcc/fortran/options.c7
-rw-r--r--gcc/fortran/trans-decl.c5
8 files changed, 38 insertions, 49 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 4be4e5d..afc5533 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,5 +1,20 @@
2011-05-14 Janne Blomqvist <jb@gcc.gnu.org>
+ PR libfortran/48915
+ * gfortran.h (gfc_option_t): Remove flag_dump_core.
+ * gfortran.texi (GFORTRAN_ERROR_DUMPCORE): Remove section.
+ (GFORTRAN_ERROR_BACKTRACE): Document that it's enabled by default.
+ * intrinsic.texi (ABORT): Remove explanation of -fdump-core.
+ * invoke.texi: Remove -fdump-core, document that -fbacktrace is
+ enabled by default.
+ * lang.opt: Remove -fdump-core.
+ * options.c (gfc_init_options): Make backtrace default to enabled,
+ remove dump_core.
+ (gfc_handle_option): Remove OPT_fdump-core.
+ * trans-decl.c: Pass a 0 to preserve ABI.
+
+2011-05-14 Janne Blomqvist <jb@gcc.gnu.org>
+
* gfortran.texi: Remove GFORTRAN_USE_STDERR documentation.
2011-05-13 Tobias Burnus <burnus@net-b.de>
diff --git a/gcc/fortran/gfortran.h b/gcc/fortran/gfortran.h
index 92adf72..3b4967d 100644
--- a/gcc/fortran/gfortran.h
+++ b/gcc/fortran/gfortran.h
@@ -2212,7 +2212,6 @@ typedef struct
int flag_backslash;
int flag_backtrace;
int flag_allow_leading_underscore;
- int flag_dump_core;
int flag_external_blas;
int blas_matmul_limit;
int flag_cray_pointer;
diff --git a/gcc/fortran/gfortran.texi b/gcc/fortran/gfortran.texi
index c810fe2..518c9987 100644
--- a/gcc/fortran/gfortran.texi
+++ b/gcc/fortran/gfortran.texi
@@ -587,7 +587,6 @@ Malformed environment variables are silently ignored.
* GFORTRAN_DEFAULT_RECL:: Default record length for new files
* GFORTRAN_LIST_SEPARATOR:: Separator for list output
* GFORTRAN_CONVERT_UNIT:: Set endianness for unformatted I/O
-* GFORTRAN_ERROR_DUMPCORE:: Dump core on run-time errors
* GFORTRAN_ERROR_BACKTRACE:: Show backtrace on run-time errors
@end menu
@@ -745,26 +744,15 @@ environment variable will override the CONVERT specifier in the
open statement}. This is to give control over data formats to
users who do not have the source code of their program available.
-@node GFORTRAN_ERROR_DUMPCORE
-@section @env{GFORTRAN_ERROR_DUMPCORE}---Dump core on run-time errors
-
-If the @env{GFORTRAN_ERROR_DUMPCORE} variable is set to
-@samp{y}, @samp{Y} or @samp{1} (only the first letter is relevant)
-then library run-time errors cause core dumps. To disable the core
-dumps, set the variable to @samp{n}, @samp{N}, @samp{0}. Default
-is not to core dump unless the @option{-fdump-core} compile option
-was used.
-
@node GFORTRAN_ERROR_BACKTRACE
@section @env{GFORTRAN_ERROR_BACKTRACE}---Show backtrace on run-time errors
-If the @env{GFORTRAN_ERROR_BACKTRACE} variable is set to
-@samp{y}, @samp{Y} or @samp{1} (only the first letter is relevant)
-then a backtrace is printed when a run-time error occurs.
-To disable the backtracing, set the variable to
-@samp{n}, @samp{N}, @samp{0}. Default is not to print a backtrace
-unless the @option{-fbacktrace} compile option
-was used.
+If the @env{GFORTRAN_ERROR_BACKTRACE} variable is set to @samp{y},
+@samp{Y} or @samp{1} (only the first letter is relevant) then a
+backtrace is printed when a serious run-time error occurs. To disable
+the backtracing, set the variable to @samp{n}, @samp{N}, @samp{0}.
+Default is to print a backtrace unless the @option{-fno-backtrace}
+compile option was used.
@c =====================================================================
@c PART II: LANGUAGE REFERENCE
diff --git a/gcc/fortran/intrinsic.texi b/gcc/fortran/intrinsic.texi
index ebffb12..804b31f 100644
--- a/gcc/fortran/intrinsic.texi
+++ b/gcc/fortran/intrinsic.texi
@@ -345,10 +345,7 @@ the applicable standard for each intrinsic procedure is noted.
@table @asis
@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 even if
-the option @option{-fno-dump-core} is in effect, which is suitable for debugging
-purposes.
-@c TODO: Check if this (with -fno-dump-core) is correct.
+systems that support a core dump, @code{ABORT} will produce a core dump.
@item @emph{Standard}:
GNU extension
diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi
index 9f02239..f68b18c 100644
--- a/gcc/fortran/invoke.texi
+++ b/gcc/fortran/invoke.texi
@@ -145,7 +145,7 @@ and warnings}.
@item Debugging Options
@xref{Debugging Options,,Options for debugging your program or GNU Fortran}.
@gccoptlist{-fdump-fortran-original -fdump-fortran-optimized @gol
--ffpe-trap=@var{list} -fdump-core -fbacktrace -fdump-parse-tree}
+-ffpe-trap=@var{list} -fbacktrace -fdump-parse-tree}
@item Directory Options
@xref{Directory Options,,Options for directory search}.
@@ -935,22 +935,18 @@ Some of the routines in the Fortran runtime library, like
@code{ffpe-trap=precision} is used. For this reason, the use of
@code{ffpe-trap=precision} is not recommended.
-@item -fbacktrace
-@opindex @code{fbacktrace}
+@item -fno-backtrace
+@opindex @code{fno-backtrace}
@cindex backtrace
@cindex trace
-Specify that, when a runtime error is encountered or a deadly signal is
-emitted (segmentation fault, illegal instruction, bus error or
-floating-point exception), the Fortran runtime
-library should output a backtrace of the error. This option
-only has influence for compilation of the Fortran main program.
-
-@item -fdump-core
-@cindex core, dump
-@opindex @code{fdump-core}
-Request that a core-dump file is written to disk when a runtime error
-is encountered on systems that support core dumps. This option is
-only effective for the compilation of the Fortran main program.
+When a serious runtime error is encountered or a deadly signal is
+emitted (segmentation fault, illegal instruction, bus error,
+floating-point exception, and the other POSIX signals that have the
+action @samp{core}), the Fortran runtime library tries to output a
+backtrace of the error. @code{-fno-backtrace} disables the backtrace
+generation. This option only has influence for compilation of the
+Fortran main program.
+
@end table
@xref{Debugging Options,,Options for Debugging Your Program or GCC,
diff --git a/gcc/fortran/lang.opt b/gcc/fortran/lang.opt
index ce944e3..a056c5c 100644
--- a/gcc/fortran/lang.opt
+++ b/gcc/fortran/lang.opt
@@ -366,10 +366,6 @@ fdollar-ok
Fortran
Allow dollar signs in entity names
-fdump-core
-Fortran
-Dump a core file when a runtime error occurs
-
fdump-fortran-original
Fortran
Display the code tree after parsing
diff --git a/gcc/fortran/options.c b/gcc/fortran/options.c
index c67d109..d4778ba 100644
--- a/gcc/fortran/options.c
+++ b/gcc/fortran/options.c
@@ -134,9 +134,8 @@ gfc_init_options (unsigned int decoded_options_count,
gfc_option.flag_automatic = 1;
gfc_option.flag_backslash = 0;
gfc_option.flag_module_private = 0;
- gfc_option.flag_backtrace = 0;
+ gfc_option.flag_backtrace = 1;
gfc_option.flag_allow_leading_underscore = 0;
- gfc_option.flag_dump_core = 0;
gfc_option.flag_external_blas = 0;
gfc_option.blas_matmul_limit = 30;
gfc_option.flag_cray_pointer = 0;
@@ -697,10 +696,6 @@ gfc_handle_option (size_t scode, const char *arg, int value,
gfc_option.rtcheck |= GFC_RTCHECK_ARRAY_TEMPS;
break;
- case OPT_fdump_core:
- gfc_option.flag_dump_core = value;
- break;
-
case OPT_fcray_pointer:
gfc_option.flag_cray_pointer = value;
break;
diff --git a/gcc/fortran/trans-decl.c b/gcc/fortran/trans-decl.c
index 77e2a59..f0138b0 100644
--- a/gcc/fortran/trans-decl.c
+++ b/gcc/fortran/trans-decl.c
@@ -4636,9 +4636,12 @@ create_main_function (tree fndecl)
gfc_option.allow_std));
CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
build_int_cst (integer_type_node, pedantic));
+ /* TODO: This is the old -fdump-core option, which is unused but
+ passed due to ABI compatibility; remove when bumping the
+ library ABI. */
CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
build_int_cst (integer_type_node,
- gfc_option.flag_dump_core));
+ 0));
CONSTRUCTOR_APPEND_ELT (v, NULL_TREE,
build_int_cst (integer_type_node,
gfc_option.flag_backtrace));
generated by cgit v1.1 at 2025-05-01 00:46:08 +0000