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Valgrind detects leaks like the following (gdb.base/macscp.exp). This patch fixes 1 of the 3 leaks (the last one in the list below). The remaining leaks are better fixed in splay_tree_remove and splay_tree_insert in libiberty. Tested on debian/amd64, natively and under valgrind. ==22285== 64 (48 direct, 16 indirect) bytes in 1 blocks are definitely lost in loss record 737 of 3,377 ==22285== at 0x4C2BE6D: malloc (vg_replace_malloc.c:309) ==22285== by 0x4049E7: xmalloc (common-utils.c:44) ==22285== by 0x533A20: new_macro_key(macro_table*, char const*, macro_source_file*, int) (macrotab.c:355) ==22285== by 0x53438B: macro_define_function(macro_source_file*, int, char const*, int, char const**, char const*) (macrotab.c:822) ==22285== by 0x52F945: macro_define_command(char const*, int) (macrocmd.c:409) ... ==22285== 128 (96 direct, 32 indirect) bytes in 2 blocks are definitely lost in loss record 1,083 of 3,377 ==22285== at 0x4C2BE6D: malloc (vg_replace_malloc.c:309) ==22285== by 0x4049E7: xmalloc (common-utils.c:44) ==22285== by 0x533A20: new_macro_key(macro_table*, char const*, macro_source_file*, int) (macrotab.c:355) ==22285== by 0x534277: macro_define_object_internal(macro_source_file*, int, char const*, char const*, macro_special_kind) (macrotab.c:776) ==22285== by 0x52F7E0: macro_define_command(char const*, int) (macrocmd.c:414) ... ==22285== 177 bytes in 19 blocks are definitely lost in loss record 1,193 of 3,377 ==22285== at 0x4C2BE6D: malloc (vg_replace_malloc.c:309) ==22285== by 0x4049E7: xmalloc (common-utils.c:44) ==22285== by 0x52F5BD: extract_identifier(char const**, int) (macrocmd.c:316) ==22285== by 0x52F77D: macro_define_command(char const*, int) (macrocmd.c:355) gdb/ChangeLog 2019-02-06 Philippe Waroquiers <philippe.waroquiers@skynet.be> * macrocmd.c (extract_identifier): Return a gdb::unique_xmalloc_ptr<char> instead of a char *, and update callers.
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.