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The final argument to mmap, of type off_t, varies. In CL 445375 we changed it to always use the C off_t type, but that broke 32-bit big-endian Linux systems. On those systems, using the C off_t type requires calling the mmap64 function. In C this is automatically handled by the <sys/mman.h> file. In Go, we would have to change the magic //extern comment to call mmap64 when appropriate. Rather than try to get that right, we instead go through a C function that uses C implicit type conversions to pick the right type. Fixes PR go/110297 Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/504415
This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the files whose names start with COPYING for copying permission. The manuals, and some of the runtime libraries, are under different terms; see the individual source files for details. The directory INSTALL contains copies of the installation information as HTML and plain text. The source of this information is gcc/doc/install.texi. The installation information includes details of what is included in the GCC sources and what files GCC installs. See the file gcc/doc/gcc.texi (together with other files that it includes) for usage and porting information. An online readable version of the manual is in the files gcc/doc/gcc.info*. See http://gcc.gnu.org/bugs/ for how to report bugs usefully. Copyright years on GCC source files may be listed using range notation, e.g., 1987-2012, indicating that every year in the range, inclusive, is a copyrightable year that could otherwise be listed individually.