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authorZack Weinberg <zackw@panix.com>2017-06-08 15:39:03 -0400
committerZack Weinberg <zackw@panix.com>2017-06-08 15:39:03 -0400
commit5046dbb4a7eba5eccfd258f92f4735c9ffc8d069 (patch)
tree4470480d904b65cf14ca524f96f79eca818c3eaf /sysdeps/unix/sysv/linux/generic/README
parent199fc19d3aaaf57944ef036e15904febe877fc93 (diff)
downloadglibc-zack/build-layout-experiment.tar
glibc-zack/build-layout-experiment.tar.gz
glibc-zack/build-layout-experiment.tar.bz2
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Prepare for radical source tree reorganization.zack/build-layout-experiment
All top-level files and directories are moved into a temporary storage directory, REORG.TODO, except for files that will certainly still exist in their current form at top level when we're done (COPYING, COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which are moved to the new directory OldChangeLogs, instead), and the generated file INSTALL (which is just deleted; in the new order, there will be no generated files checked into version control).
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-This hierarchy supports Linux systems using the new
-asm-generic/unistd.h, which removes many familiar old syscalls. For
-example, to implement open(), newer Linux architectures require glibc
-to invoke the __NR_openat syscall with AT_FDCWD. This hierarchy
-provides all those implementations.
-
-It also provides support for 32-bit platforms using the 64-bit kernel
-syscall APIs, as the 32-bit ones are no longer provided. Note that
-newer ILP32 environments (x32 or AArch64:ILP32, for example) are
-converting to use more 64-bit types in kernel syscalls, so that aspect
-of this support is in more flux as of this writing.