unix: convert Darwin syscalls from raw to libSystem
Call into libSystem (Darwin's libc equivalent) to do system calls.
Raw syscalls are not a supported ABI on Darwin, they want us to use
libSystem calls instead.
The stdlib has already been converted to this new regime. This
package is vendored into the stdlib, so we need to fix it also, then
vendor it in again.
Because this package isn't tied to a Go release, we need to keep the
old code around and use the new code only for 1.12 and up.
Update golang/go#17490
Change-Id: Idbcacff096b5bfeac871aa75dfd971570ac93322
Reviewed-on: https://go-review.googlesource.com/c/154179
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/unix/zsyscall_darwin_arm64.s b/unix/zsyscall_darwin_arm64.s
new file mode 100644
index 0000000..56fbf46
--- /dev/null
+++ b/unix/zsyscall_darwin_arm64.s
@@ -0,0 +1,276 @@
+// go run mkasm_darwin.go arm64
+// Code generated by the command above; DO NOT EDIT.
+
+// +build go1.12
+
+#include "textflag.h"
+TEXT ·libc_getgroups_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getgroups(SB)
+TEXT ·libc_setgroups_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_setgroups(SB)
+TEXT ·libc_wait4_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_wait4(SB)
+TEXT ·libc_accept_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_accept(SB)
+TEXT ·libc_bind_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_bind(SB)
+TEXT ·libc_connect_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_connect(SB)
+TEXT ·libc_socket_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_socket(SB)
+TEXT ·libc_getsockopt_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getsockopt(SB)
+TEXT ·libc_setsockopt_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_setsockopt(SB)
+TEXT ·libc_getpeername_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getpeername(SB)
+TEXT ·libc_getsockname_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getsockname(SB)
+TEXT ·libc_shutdown_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_shutdown(SB)
+TEXT ·libc_socketpair_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_socketpair(SB)
+TEXT ·libc_recvfrom_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_recvfrom(SB)
+TEXT ·libc_sendto_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_sendto(SB)
+TEXT ·libc_recvmsg_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_recvmsg(SB)
+TEXT ·libc_sendmsg_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_sendmsg(SB)
+TEXT ·libc_kevent_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_kevent(SB)
+TEXT ·libc___sysctl_trampoline(SB),NOSPLIT,$0-0
+ JMP libc___sysctl(SB)
+TEXT ·libc_utimes_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_utimes(SB)
+TEXT ·libc_futimes_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_futimes(SB)
+TEXT ·libc_fcntl_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fcntl(SB)
+TEXT ·libc_poll_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_poll(SB)
+TEXT ·libc_madvise_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_madvise(SB)
+TEXT ·libc_mlock_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_mlock(SB)
+TEXT ·libc_mlockall_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_mlockall(SB)
+TEXT ·libc_mprotect_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_mprotect(SB)
+TEXT ·libc_msync_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_msync(SB)
+TEXT ·libc_munlock_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_munlock(SB)
+TEXT ·libc_munlockall_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_munlockall(SB)
+TEXT ·libc_ptrace_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_ptrace(SB)
+TEXT ·libc_pipe_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_pipe(SB)
+TEXT ·libc_getxattr_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getxattr(SB)
+TEXT ·libc_fgetxattr_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fgetxattr(SB)
+TEXT ·libc_setxattr_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_setxattr(SB)
+TEXT ·libc_fsetxattr_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fsetxattr(SB)
+TEXT ·libc_removexattr_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_removexattr(SB)
+TEXT ·libc_fremovexattr_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fremovexattr(SB)
+TEXT ·libc_listxattr_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_listxattr(SB)
+TEXT ·libc_flistxattr_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_flistxattr(SB)
+TEXT ·libc_kill_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_kill(SB)
+TEXT ·libc_ioctl_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_ioctl(SB)
+TEXT ·libc_access_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_access(SB)
+TEXT ·libc_adjtime_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_adjtime(SB)
+TEXT ·libc_chdir_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_chdir(SB)
+TEXT ·libc_chflags_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_chflags(SB)
+TEXT ·libc_chmod_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_chmod(SB)
+TEXT ·libc_chown_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_chown(SB)
+TEXT ·libc_chroot_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_chroot(SB)
+TEXT ·libc_close_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_close(SB)
+TEXT ·libc_dup_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_dup(SB)
+TEXT ·libc_dup2_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_dup2(SB)
+TEXT ·libc_exchangedata_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_exchangedata(SB)
+TEXT ·libc_exit_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_exit(SB)
+TEXT ·libc_faccessat_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_faccessat(SB)
+TEXT ·libc_fchdir_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fchdir(SB)
+TEXT ·libc_fchflags_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fchflags(SB)
+TEXT ·libc_fchmod_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fchmod(SB)
+TEXT ·libc_fchmodat_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fchmodat(SB)
+TEXT ·libc_fchown_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fchown(SB)
+TEXT ·libc_fchownat_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fchownat(SB)
+TEXT ·libc_flock_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_flock(SB)
+TEXT ·libc_fpathconf_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fpathconf(SB)
+TEXT ·libc_fstat64_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fstat64(SB)
+TEXT ·libc_fstatat64_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fstatat64(SB)
+TEXT ·libc_fstatfs64_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fstatfs64(SB)
+TEXT ·libc_fsync_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_fsync(SB)
+TEXT ·libc_ftruncate_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_ftruncate(SB)
+TEXT ·libc___getdirentries64_trampoline(SB),NOSPLIT,$0-0
+ JMP libc___getdirentries64(SB)
+TEXT ·libc_getdtablesize_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getdtablesize(SB)
+TEXT ·libc_getegid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getegid(SB)
+TEXT ·libc_geteuid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_geteuid(SB)
+TEXT ·libc_getgid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getgid(SB)
+TEXT ·libc_getpgid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getpgid(SB)
+TEXT ·libc_getpgrp_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getpgrp(SB)
+TEXT ·libc_getpid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getpid(SB)
+TEXT ·libc_getppid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getppid(SB)
+TEXT ·libc_getpriority_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getpriority(SB)
+TEXT ·libc_getrlimit_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getrlimit(SB)
+TEXT ·libc_getrusage_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getrusage(SB)
+TEXT ·libc_getsid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getsid(SB)
+TEXT ·libc_getuid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_getuid(SB)
+TEXT ·libc_issetugid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_issetugid(SB)
+TEXT ·libc_kqueue_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_kqueue(SB)
+TEXT ·libc_lchown_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_lchown(SB)
+TEXT ·libc_link_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_link(SB)
+TEXT ·libc_linkat_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_linkat(SB)
+TEXT ·libc_listen_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_listen(SB)
+TEXT ·libc_lstat64_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_lstat64(SB)
+TEXT ·libc_mkdir_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_mkdir(SB)
+TEXT ·libc_mkdirat_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_mkdirat(SB)
+TEXT ·libc_mkfifo_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_mkfifo(SB)
+TEXT ·libc_mknod_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_mknod(SB)
+TEXT ·libc_open_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_open(SB)
+TEXT ·libc_openat_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_openat(SB)
+TEXT ·libc_pathconf_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_pathconf(SB)
+TEXT ·libc_pread_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_pread(SB)
+TEXT ·libc_pwrite_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_pwrite(SB)
+TEXT ·libc_read_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_read(SB)
+TEXT ·libc_readlink_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_readlink(SB)
+TEXT ·libc_readlinkat_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_readlinkat(SB)
+TEXT ·libc_rename_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_rename(SB)
+TEXT ·libc_renameat_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_renameat(SB)
+TEXT ·libc_revoke_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_revoke(SB)
+TEXT ·libc_rmdir_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_rmdir(SB)
+TEXT ·libc_lseek_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_lseek(SB)
+TEXT ·libc_select_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_select(SB)
+TEXT ·libc_setegid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_setegid(SB)
+TEXT ·libc_seteuid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_seteuid(SB)
+TEXT ·libc_setgid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_setgid(SB)
+TEXT ·libc_setlogin_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_setlogin(SB)
+TEXT ·libc_setpgid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_setpgid(SB)
+TEXT ·libc_setpriority_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_setpriority(SB)
+TEXT ·libc_setprivexec_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_setprivexec(SB)
+TEXT ·libc_setregid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_setregid(SB)
+TEXT ·libc_setreuid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_setreuid(SB)
+TEXT ·libc_setrlimit_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_setrlimit(SB)
+TEXT ·libc_setsid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_setsid(SB)
+TEXT ·libc_settimeofday_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_settimeofday(SB)
+TEXT ·libc_setuid_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_setuid(SB)
+TEXT ·libc_stat64_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_stat64(SB)
+TEXT ·libc_statfs64_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_statfs64(SB)
+TEXT ·libc_symlink_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_symlink(SB)
+TEXT ·libc_symlinkat_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_symlinkat(SB)
+TEXT ·libc_sync_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_sync(SB)
+TEXT ·libc_truncate_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_truncate(SB)
+TEXT ·libc_umask_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_umask(SB)
+TEXT ·libc_undelete_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_undelete(SB)
+TEXT ·libc_unlink_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_unlink(SB)
+TEXT ·libc_unlinkat_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_unlinkat(SB)
+TEXT ·libc_unmount_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_unmount(SB)
+TEXT ·libc_write_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_write(SB)
+TEXT ·libc_mmap_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_mmap(SB)
+TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_munmap(SB)
+TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
+ JMP libc_gettimeofday(SB)
