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* libgo: Make os.setenv_c work on systems without setenv.ian2011-05-241-0/+3
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@174147 138bc75d-0d04-0410-961f-82ee72b054a4
* libgo: Use MAP_FIXED if necessary to grab arena.ian2011-04-051-0/+12
| | | | | | | | | | | | | | | From Rainer Orth. PR go/48240 * configure.ac: Check for mincore. * configure: Regenerate. * config.h.in: Regenerate. * runtime/mem.c: Include unistd.h. (addrspace_free): New function. (runtime_SysMap): Retry 64-bit runtime_mmap with MAP_FIXED. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@171961 138bc75d-0d04-0410-961f-82ee72b054a4
* Support libgo on Solaris.ian2011-02-211-0/+3
| | | | | | | From Rainer Orth. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@170355 138bc75d-0d04-0410-961f-82ee72b054a4
* Implement __sync_fetch_and_add_4 if necessary.ian2011-02-041-0/+4
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169820 138bc75d-0d04-0410-961f-82ee72b054a4
* Check whether we are using setjmp/longjmp exceptions.ian2011-02-031-0/+3
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169777 138bc75d-0d04-0410-961f-82ee72b054a4
* Test whether libgcc or kernel defines __sync_bool_compare_and_swap_4.ian2011-02-011-0/+4
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@169504 138bc75d-0d04-0410-961f-82ee72b054a4
* Add Go frontend, libgo library, and Go testsuite.ian2010-12-031-0/+119
gcc/: * gcc.c (default_compilers): Add entry for ".go". * common.opt: Add -static-libgo as a driver option. * doc/install.texi (Configuration): Mention libgo as an option for --enable-shared. Mention go as an option for --enable-languages. * doc/invoke.texi (Overall Options): Mention .go as a file name suffix. Mention go as a -x option. * doc/frontends.texi (G++ and GCC): Mention Go as a supported language. * doc/sourcebuild.texi (Top Level): Mention libgo. * doc/standards.texi (Standards): Add section on Go language. Move references for other languages into their own section. * doc/contrib.texi (Contributors): Mention that I contributed the Go frontend. gcc/testsuite/: * lib/go.exp: New file. * lib/go-dg.exp: New file. * lib/go-torture.exp: New file. * lib/target-supports.exp (check_compile): Match // Go. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@167407 138bc75d-0d04-0410-961f-82ee72b054a4