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-rw-r--r--vdso/syscalls.h99
1 files changed, 0 insertions, 99 deletions
diff --git a/vdso/syscalls.h b/vdso/syscalls.h
deleted file mode 100644
index b6d15a7d3..000000000
--- a/vdso/syscalls.h
+++ /dev/null
@@ -1,99 +0,0 @@
-// Copyright 2018 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// System call support for the VDSO.
-//
-// Provides fallback system call interfaces for getcpu()
-// and clock_gettime().
-
-#ifndef VDSO_SYSCALLS_H_
-#define VDSO_SYSCALLS_H_
-
-#include <asm/unistd.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stddef.h>
-#include <sys/types.h>
-
-namespace vdso {
-
-#if __x86_64__
-
-struct getcpu_cache;
-
-static inline int sys_clock_gettime(clockid_t clock, struct timespec* ts) {
- int num = __NR_clock_gettime;
- asm volatile("syscall\n"
- : "+a"(num)
- : "D"(clock), "S"(ts)
- : "rcx", "r11", "memory");
- return num;
-}
-
-static inline int sys_getcpu(unsigned* cpu, unsigned* node,
- struct getcpu_cache* cache) {
- int num = __NR_getcpu;
- asm volatile("syscall\n"
- : "+a"(num)
- : "D"(cpu), "S"(node), "d"(cache)
- : "rcx", "r11", "memory");
- return num;
-}
-
-#elif __aarch64__
-
-static inline int sys_rt_sigreturn(void) {
- int num = __NR_rt_sigreturn;
-
- asm volatile(
- "mov x8, %0\n"
- "svc #0 \n"
- : "+r"(num)
- :
- :);
- return num;
-}
-
-static inline int sys_clock_gettime(clockid_t _clkid, struct timespec* _ts) {
- register struct timespec* ts asm("x1") = _ts;
- register clockid_t clkid asm("x0") = _clkid;
- register long ret asm("x0");
- register long nr asm("x8") = __NR_clock_gettime;
-
- asm volatile("svc #0\n"
- : "=r"(ret)
- : "r"(clkid), "r"(ts), "r"(nr)
- : "memory");
- return ret;
-}
-
-static inline int sys_clock_getres(clockid_t _clkid, struct timespec* _ts) {
- register struct timespec* ts asm("x1") = _ts;
- register clockid_t clkid asm("x0") = _clkid;
- register long ret asm("x0");
- register long nr asm("x8") = __NR_clock_getres;
-
- asm volatile("svc #0\n"
- : "=r"(ret)
- : "r"(clkid), "r"(ts), "r"(nr)
- : "memory");
- return ret;
-}
-
-#else
-#error "unsupported architecture"
-#endif
-} // namespace vdso
-
-#endif // VDSO_SYSCALLS_H_