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| author |   H. Peter Anvin <hpa@linux.intel.com> | 2011-11-18 17:01:19 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2011-11-18 17:01:19 -0800 |
| commit | 3f86886c72fb68088162c7e08cc7f85282f1860c (patch) | |
| tree | 95d77511e20f007f445581aa9efe05d2adc019e3 /arch/x86/syscalls/syscallhdr.sh | |
| parent | x86, syscall: Re-fix typo in comment (diff) | |
| download | linux-dev-3f86886c72fb68088162c7e08cc7f85282f1860c.tar.xz linux-dev-3f86886c72fb68088162c7e08cc7f85282f1860c.zip | |
x86, syscall: Allow syscall offset to be symbolic
Allow the specified syscall offset to be symbolic, e.g. a macro. For
offset system calls, this if nothing else makes the generated code
easier to read.
Suggested-by: H. J. Lu <hjl.tools@gmail.com>
Link: http://lkml.kernel.org/r/1321569446-20433-7-git-send-email-hpa@linux.intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/syscalls/syscallhdr.sh')
| -rw-r--r-- | arch/x86/syscalls/syscallhdr.sh | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/syscalls/syscallhdr.sh b/arch/x86/syscalls/syscallhdr.sh index b3c593072785..31fd5f1f38f7 100644 --- a/arch/x86/syscalls/syscallhdr.sh +++ b/arch/x86/syscalls/syscallhdr.sh @@ -15,7 +15,11 @@ grep -E "^[0-9A-Fa-fXx]+[[:space:]]+${my_abis}" "$in" | sort -n | ( echo "" while read nr abi name entry ; do - echo "#define __NR_${prefix}${name}" $((nr+offset)) + if [ -z "$offset" ]; then + echo "#define __NR_${prefix}${name} $nr" + else + echo "#define __NR_${prefix}${name} ($offset + $nr)" + fi done echo "" |