When I debug some fortran expression parsing, I got (gdb) set debug expression 1 (gdb) p intvla(5,5,5) Dump of expression @ 0x205fa80, before conversion to prefix form: Language fortran, 19 elements, 16 bytes each. Index Opcode Hex Value String Value 0 OP_VAR_VALUE 40 (............... 1 <unknown 31863232> 31863232 .1.............. .... 14 BINOP_REM 5 ................ 15 OP_LONG 38 &............... 16 OP_F77_UNDETERMINED_ARGLIST 48 0............... 17 BINOP_MUL 3 ................ 18 OP_F77_UNDETERMINED_ARGLIST 48 0............... Dump of expression @ 0x205fa80, after conversion to prefix form: Expression: `Invalid expression ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ This patch fixes this problem by handling OP_F77_UNDETERMINED_ARGLIST in the same way as handling OP_FUNCALL. With this patch applied, the output looks better, (gdb) p intvla (5,5,5) Dump of expression @ 0x2d75590, before conversion to prefix form: Language fortran, 19 elements, 16 bytes each. Index Opcode Hex Value String Value 0 OP_VAR_VALUE 40 (............... .... 16 OP_F77_UNDETERMINED_ARGLIST 48 0............... 17 BINOP_MUL 3 ................ 18 OP_F77_UNDETERMINED_ARGLIST 48 0............... Dump of expression @ 0x2d75590, after conversion to prefix form: Expression: `vla_primitives::intvla (5, 5, 5)' Language fortran, 19 elements, 16 bytes each. 0 OP_F77_UNDETERMINED_ARGLIST Number of args: 3 3 OP_VAR_VALUE Block @0x297e1c0, symbol @0x297cd50 (intvla) 7 OP_LONG Type @0x2976900 (int), value 5 (0x5) 11 OP_LONG Type @0x2976900 (int), value 5 (0x5) 15 OP_LONG Type @0x2976900 (int), value 5 (0x5) gdb: 2018-02-06 Yao Qi <yao.qi@linaro.org> * expprint.c (print_subexp_standard): Handle OP_F77_UNDETERMINED_ARGLIST. (dump_subexp_body_standard): Likewise. |
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README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.