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This is done by catching an exception number 0x406d1388 (it has no documented name, though MSDN dubs it "MS_VC_EXCEPTION" in one code example), which is thrown by the program. The exception record contains an ID of a thread and a name to give it. This requires rolling back some changes in handle_exception(), which now again returns more than two distinct values. The new HANDLE_EXCEPTION_IGNORED value means that gdb should just continue, without returning the thread ID up the stack (which would result in further handling of the exception, which is not what we want). gdb/ChangeLog: 2016-08-10 Руслан Ижбулатов <lrn1986@gmail.com> Pedro Alves <palves@redhat.com> * windows-nat.c (MS_VC_EXCEPTION): New define. (handle_exception_result): New enum. (windows_delete_thread): Free the thread's name. (handle_exception): Handle MS_VC_EXCEPTION. (get_windows_debug_event): Handle HANDLE_EXCEPTION_IGNORED. (windows_thread_name): New function. (windows_target): Install it as to_thread_name method. * NEWS: Mention the thread naming support on MS-Windows.
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.