tests: add ksysent.test
Check that syscall names and numbers defined in syscallent files match kernel __NR_* constants defined by <asm/unistd.h>. Tested on various platforms, including the following combinations of architectures and kernel headers: x86_64: 4.4-rc, 4.3, 4.2, 4.1, 3.19, 3.17, 3.16, 3.12, 3.11, 3.10-rhel, 2.6.32-rhel, 2.6.27-sle, 2.6.18-rhel i386: 4.4-rc, 4.3, 4.2, 4.1, 3.19, 3.17, 3.16, 3.11, 3.10-rhel, 2.6.32-rhel, 2.6.27-sle, 2.6.18-rhel aarch64: 4.4-rc alpha: 4.3 arm eabi: 4.4-rc, 4.2, 4.1 hppa: 3.18 ia64: 3.18 mips o32: 4.1 ppc: 3.18 ppc64: 3.10-rhel, 2.6.32-rhel s390: 3.18 s390x: 3.18 sparc: 4.1 sparc: 3.18 x32: 3.19 The only platform which is known at this moment to fail the test is CentOS-5 provided by OBS. On x86_64 instance it fails with error: "prlimit64" syscall #300 is "fanotify_init" in syscallent.h and on i586 it similarly fails with error: "prlimit64" syscall #338 is "fanotify_init" in syscallent.h So this is a real platform bug that is not likely to be worked around on the strace side. * tests/ksysent.c: New file. * tests/ksysent.sed: Likewise. * tests/ksysent.test: New test. * tests/Makefile.am (AM_CPPFLAGS): Add -I$(builddir). (check_PROGRAMS): Add ksysent. (TESTS): Add ksysent.test. (EXTRA_DIST): Add ksysent.sed. (ksysent.h): New rule. (BUILT_SOURCES, CLEANFILES): Add ksysent.h. * tests/.gitignore: Add ksysent.
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tests/.gitignore
vendored
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tests/.gitignore
vendored
@ -37,6 +37,7 @@ ipc_msg
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ipc_msgbuf
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ipc_sem
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ipc_shm
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ksysent
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llseek
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lseek
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lstat
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@ -5,6 +5,7 @@ ARCH = @arch@
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ARCH_MFLAGS =
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AM_CFLAGS = $(WARN_CFLAGS)
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AM_CPPFLAGS = $(ARCH_MFLAGS) \
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-I$(builddir) \
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-I$(top_builddir)/$(OS)/$(ARCH) \
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-I$(top_srcdir)/$(OS)/$(ARCH) \
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-I$(top_builddir)/$(OS) \
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@ -46,6 +47,7 @@ check_PROGRAMS = \
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ipc_msgbuf \
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ipc_sem \
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ipc_shm \
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ksysent \
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llseek \
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lseek \
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lstat \
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@ -136,6 +138,7 @@ stack_fcall_SOURCES = stack-fcall.c \
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TESTS = \
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strace-f.test \
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qual_syscall.test \
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ksysent.test \
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\
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_newselect.test \
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adjtimex.test \
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@ -264,6 +267,7 @@ EXTRA_DIST = init.sh run.sh match.awk \
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ip_mreq.expected \
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ipc.sh \
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ipc_msgbuf.expected \
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ksysent.sed \
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lstatx.c \
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memfd_create.expected \
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mmsg.expected \
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@ -294,4 +298,12 @@ EXTRA_DIST = init.sh run.sh match.awk \
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xstatx.c \
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$(TESTS)
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CLEANFILES = $(TESTS:=.tmp)
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ksysent.h: $(srcdir)/ksysent.sed
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echo '#include <asm/unistd.h>' | \
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$(CPP) $(AM_CPPFLAGS) $(CPPFLAGS) -dD - > $@.t1
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LC_COLLATE=C sed -n -f $(srcdir)/ksysent.sed < $@.t1 > $@.t2
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mv -f $@.t2 $@
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rm -f $@.t1
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BUILT_SOURCES = ksysent.h
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CLEANFILES = ksysent.h $(TESTS:=.tmp)
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122
tests/ksysent.c
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122
tests/ksysent.c
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@ -0,0 +1,122 @@
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/*
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* Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "defs.h"
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#include "syscall.h"
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#define TD 0
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#define TF 0
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#define TI 0
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#define TN 0
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#define TP 0
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#define TS 0
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#define TM 0
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#define NF 0
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#define MA 0
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#define SI 0
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#define SE 0
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#define SEN(arg) 0,0
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static const struct_sysent syscallent[] = {
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#include "syscallent.h"
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};
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typedef const char const *pstr_t;
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static const pstr_t ksyslist[] = {
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#include "ksysent.h"
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};
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int
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main(void)
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{
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int rc = 0;
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(ksyslist); ++i) {
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if (!ksyslist[i])
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continue;
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if (i >= ARRAY_SIZE(syscallent) || !syscallent[i].sys_name) {
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fprintf(stderr, "warning: \"%s\" syscall #%u"
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" is missing in syscallent.h\n",
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ksyslist[i], i);
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continue;
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}
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#ifdef SYS_socket_nsubcalls
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if (i >= SYS_socket_subcall &&
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i < SYS_socket_subcall + SYS_socket_nsubcalls) {
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fprintf(stderr, "error: \"%s\" syscall #%u"
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" is a socket subcall in syscallent.h\n",
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ksyslist[i], i);
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rc = 1;
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continue;
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}
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#endif
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#ifdef SYS_ipc_nsubcalls
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if (i >= SYS_ipc_subcall &&
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i < SYS_ipc_subcall + SYS_ipc_nsubcalls) {
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fprintf(stderr, "error: \"%s\" syscall #%u"
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" is an ipc subcall in syscallent.h\n",
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ksyslist[i], i);
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rc = 1;
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continue;
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}
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#endif
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if (strcmp(ksyslist[i], syscallent[i].sys_name)) {
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fprintf(stderr, "error: \"%s\" syscall #%u"
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" is \"%s\" in syscallent.h\n",
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ksyslist[i], i, syscallent[i].sys_name);
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rc = 1;
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continue;
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}
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}
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for (i = 0; i < ARRAY_SIZE(syscallent); ++i) {
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if (!syscallent[i].sys_name
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#ifdef SYS_socket_nsubcalls
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|| (i >= SYS_socket_subcall &&
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i < SYS_socket_subcall + SYS_socket_nsubcalls)
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#endif
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#ifdef SYS_ipc_nsubcalls
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|| (i >= SYS_ipc_subcall &&
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i < SYS_ipc_subcall + SYS_ipc_nsubcalls)
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#endif
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#ifdef ARM_FIRST_SHUFFLED_SYSCALL
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|| (i >= ARM_FIRST_SHUFFLED_SYSCALL &&
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i <= ARM_FIRST_SHUFFLED_SYSCALL +
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ARM_LAST_SPECIAL_SYSCALL + 1)
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#endif
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)
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continue;
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if (i >= ARRAY_SIZE(ksyslist) || !ksyslist[i]) {
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fprintf(stderr, "note: unknown syscall #%u"
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" is \"%s\" in syscallent.h\n",
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i, syscallent[i].sys_name);
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}
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}
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return rc;
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}
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15
tests/ksysent.sed
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15
tests/ksysent.sed
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@ -0,0 +1,15 @@
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#!/bin/sed -nf
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# should not have been exported at all
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/#define[[:space:]]\+__NR_\(sys_epoll_\|arch_specific_syscall\|syscalls\|syscall_count\|syscall_max\|available\|reserved\|unused\)/d
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# should not be named this way
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s/__NR_\(arm\|xtensa\)_fadvise64_64/__NR_fadvise64_64/
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# legacy names
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s/__NR_get_cpu/__NR_getcpu/
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s/__NR_madvise1/__NR_madvise/
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s/__NR_paccept/__NR_accept4/
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# generate
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s/#define[[:space:]]\+__NR_\([a-z_][^[:space:]]\+\)\([[:space:]].*\)\?$/#ifdef __NR_\1\n[__NR_\1 \& 0xffff] = "\1",\n#endif/p
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5
tests/ksysent.test
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5
tests/ksysent.test
Executable file
@ -0,0 +1,5 @@
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#!/bin/sh
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# Validate syscallent.h
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./ksysent
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