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| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/generic/README | 11 |
2 files changed, 15 insertions, 0 deletions
@@ -1,3 +1,7 @@ +2015-03-19 Chris Metcalf <cmetcalf@ezchip.com> + + * sysdeps/unix/sysv/linux/generic/README: New file. + 2015-03-18 Joseph Myers <joseph@codesourcery.com> [BZ #18138] diff --git a/sysdeps/unix/sysv/linux/generic/README b/sysdeps/unix/sysv/linux/generic/README new file mode 100644 index 0000000000..301a6107e1 --- /dev/null +++ b/sysdeps/unix/sysv/linux/generic/README @@ -0,0 +1,11 @@ +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. |