mirror of
https://github.com/Luzifer/nginx-sso.git
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210 lines
7.6 KiB
Go
210 lines
7.6 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build darwin,go1.12,amd64 darwin,go1.12,386
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package unix
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import (
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"os"
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"os/exec"
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"strings"
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"testing"
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)
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type darwinTest struct {
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name string
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f func()
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}
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// TODO(khr): decide whether to keep this test enabled permanently or
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// only temporarily.
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func TestDarwinLoader(t *testing.T) {
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// Make sure the Darwin dynamic loader can actually resolve
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// all the system calls into libSystem.dylib. Unfortunately
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// there is no easy way to test this at compile time. So we
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// implement a crazy hack here, calling into the syscall
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// function with all its arguments set to junk, and see what
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// error we get. We are happy with any error (or none) except
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// an error from the dynamic loader.
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//
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// We have to run each test in a separate subprocess for fault isolation.
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//
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// Hopefully the junk args won't accidentally ask the system to do "rm -fr /".
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//
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// In an ideal world each syscall would have its own test, so this test
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// would be unnecessary. Unfortunately, we do not live in that world.
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for _, test := range darwinTests {
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// Call the test binary recursively, giving it a magic argument
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// (see init below) and the name of the test to run.
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cmd := exec.Command(os.Args[0], "testDarwinLoader", test.name)
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// Run subprocess, collect results. Note that we expect the subprocess
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// to fail somehow, so the error is irrelevant.
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out, _ := cmd.CombinedOutput()
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if strings.Contains(string(out), "dyld: Symbol not found:") {
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t.Errorf("can't resolve %s in libSystem.dylib", test.name)
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}
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if !strings.Contains(string(out), "success") {
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// Not really an error. Might be a syscall that never returns,
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// like exit, or one that segfaults, like gettimeofday.
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t.Logf("test never finished: %s: %s", test.name, string(out))
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}
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}
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}
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func init() {
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// The test binary execs itself with the "testDarwinLoader" argument.
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// Run the test specified by os.Args[2], then panic.
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if len(os.Args) >= 3 && os.Args[1] == "testDarwinLoader" {
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for _, test := range darwinTests {
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if test.name == os.Args[2] {
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test.f()
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}
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}
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// Panic with a "success" label, so the parent process can check it.
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panic("success")
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}
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}
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// All the _trampoline functions in zsyscall_darwin_$ARCH.s
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var darwinTests = [...]darwinTest{
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{"getgroups", libc_getgroups_trampoline},
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{"setgroups", libc_setgroups_trampoline},
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{"wait4", libc_wait4_trampoline},
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{"accept", libc_accept_trampoline},
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{"bind", libc_bind_trampoline},
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{"connect", libc_connect_trampoline},
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{"socket", libc_socket_trampoline},
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{"getsockopt", libc_getsockopt_trampoline},
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{"setsockopt", libc_setsockopt_trampoline},
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{"getpeername", libc_getpeername_trampoline},
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{"getsockname", libc_getsockname_trampoline},
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{"shutdown", libc_shutdown_trampoline},
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{"socketpair", libc_socketpair_trampoline},
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{"recvfrom", libc_recvfrom_trampoline},
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{"sendto", libc_sendto_trampoline},
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{"recvmsg", libc_recvmsg_trampoline},
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{"sendmsg", libc_sendmsg_trampoline},
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{"kevent", libc_kevent_trampoline},
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{"__sysctl", libc___sysctl_trampoline},
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{"utimes", libc_utimes_trampoline},
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{"futimes", libc_futimes_trampoline},
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{"fcntl", libc_fcntl_trampoline},
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{"poll", libc_poll_trampoline},
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{"madvise", libc_madvise_trampoline},
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{"mlock", libc_mlock_trampoline},
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{"mlockall", libc_mlockall_trampoline},
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{"mprotect", libc_mprotect_trampoline},
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{"msync", libc_msync_trampoline},
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{"munlock", libc_munlock_trampoline},
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{"munlockall", libc_munlockall_trampoline},
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{"ptrace", libc_ptrace_trampoline},
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{"pipe", libc_pipe_trampoline},
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{"getxattr", libc_getxattr_trampoline},
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{"fgetxattr", libc_fgetxattr_trampoline},
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{"setxattr", libc_setxattr_trampoline},
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{"fsetxattr", libc_fsetxattr_trampoline},
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{"removexattr", libc_removexattr_trampoline},
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{"fremovexattr", libc_fremovexattr_trampoline},
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{"listxattr", libc_listxattr_trampoline},
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{"flistxattr", libc_flistxattr_trampoline},
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{"kill", libc_kill_trampoline},
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{"ioctl", libc_ioctl_trampoline},
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{"access", libc_access_trampoline},
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{"adjtime", libc_adjtime_trampoline},
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{"chdir", libc_chdir_trampoline},
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{"chflags", libc_chflags_trampoline},
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{"chmod", libc_chmod_trampoline},
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{"chown", libc_chown_trampoline},
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{"chroot", libc_chroot_trampoline},
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{"close", libc_close_trampoline},
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{"dup", libc_dup_trampoline},
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{"dup2", libc_dup2_trampoline},
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{"exchangedata", libc_exchangedata_trampoline},
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{"exit", libc_exit_trampoline},
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{"faccessat", libc_faccessat_trampoline},
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{"fchdir", libc_fchdir_trampoline},
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{"fchflags", libc_fchflags_trampoline},
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{"fchmod", libc_fchmod_trampoline},
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{"fchmodat", libc_fchmodat_trampoline},
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{"fchown", libc_fchown_trampoline},
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{"fchownat", libc_fchownat_trampoline},
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{"flock", libc_flock_trampoline},
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{"fpathconf", libc_fpathconf_trampoline},
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{"fstat64", libc_fstat64_trampoline},
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{"fstatat64", libc_fstatat64_trampoline},
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{"fstatfs64", libc_fstatfs64_trampoline},
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{"fsync", libc_fsync_trampoline},
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{"ftruncate", libc_ftruncate_trampoline},
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{"__getdirentries64", libc___getdirentries64_trampoline},
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{"getdtablesize", libc_getdtablesize_trampoline},
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{"getegid", libc_getegid_trampoline},
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{"geteuid", libc_geteuid_trampoline},
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{"getgid", libc_getgid_trampoline},
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{"getpgid", libc_getpgid_trampoline},
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{"getpgrp", libc_getpgrp_trampoline},
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{"getpid", libc_getpid_trampoline},
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{"getppid", libc_getppid_trampoline},
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{"getpriority", libc_getpriority_trampoline},
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{"getrlimit", libc_getrlimit_trampoline},
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{"getrusage", libc_getrusage_trampoline},
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{"getsid", libc_getsid_trampoline},
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{"getuid", libc_getuid_trampoline},
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{"issetugid", libc_issetugid_trampoline},
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{"kqueue", libc_kqueue_trampoline},
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{"lchown", libc_lchown_trampoline},
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{"link", libc_link_trampoline},
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{"linkat", libc_linkat_trampoline},
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{"listen", libc_listen_trampoline},
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{"lstat64", libc_lstat64_trampoline},
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{"mkdir", libc_mkdir_trampoline},
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{"mkdirat", libc_mkdirat_trampoline},
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{"mkfifo", libc_mkfifo_trampoline},
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{"mknod", libc_mknod_trampoline},
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{"open", libc_open_trampoline},
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{"openat", libc_openat_trampoline},
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{"pathconf", libc_pathconf_trampoline},
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{"pread", libc_pread_trampoline},
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{"pwrite", libc_pwrite_trampoline},
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{"read", libc_read_trampoline},
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{"readlink", libc_readlink_trampoline},
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{"readlinkat", libc_readlinkat_trampoline},
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{"rename", libc_rename_trampoline},
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{"renameat", libc_renameat_trampoline},
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{"revoke", libc_revoke_trampoline},
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{"rmdir", libc_rmdir_trampoline},
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{"lseek", libc_lseek_trampoline},
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{"select", libc_select_trampoline},
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{"setegid", libc_setegid_trampoline},
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{"seteuid", libc_seteuid_trampoline},
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{"setgid", libc_setgid_trampoline},
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{"setlogin", libc_setlogin_trampoline},
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{"setpgid", libc_setpgid_trampoline},
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{"setpriority", libc_setpriority_trampoline},
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{"setprivexec", libc_setprivexec_trampoline},
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{"setregid", libc_setregid_trampoline},
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{"setreuid", libc_setreuid_trampoline},
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{"setrlimit", libc_setrlimit_trampoline},
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{"setsid", libc_setsid_trampoline},
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{"settimeofday", libc_settimeofday_trampoline},
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{"setuid", libc_setuid_trampoline},
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{"stat64", libc_stat64_trampoline},
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{"statfs64", libc_statfs64_trampoline},
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{"symlink", libc_symlink_trampoline},
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{"symlinkat", libc_symlinkat_trampoline},
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{"sync", libc_sync_trampoline},
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{"truncate", libc_truncate_trampoline},
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{"umask", libc_umask_trampoline},
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{"undelete", libc_undelete_trampoline},
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{"unlink", libc_unlink_trampoline},
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{"unlinkat", libc_unlinkat_trampoline},
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{"unmount", libc_unmount_trampoline},
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{"write", libc_write_trampoline},
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{"mmap", libc_mmap_trampoline},
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{"munmap", libc_munmap_trampoline},
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{"gettimeofday", libc_gettimeofday_trampoline},
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{"getfsstat64", libc_getfsstat64_trampoline},
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}
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