diff options
author | nkozlovskiy <nmk@ydb.tech> | 2023-12-04 19:26:35 +0300 |
---|---|---|
committer | nkozlovskiy <nmk@ydb.tech> | 2023-12-05 05:25:43 +0300 |
commit | e62474f851635573f9f6631039e113a02fd50179 (patch) | |
tree | 597d4bc8aad74ef42c55fd062398e93eceebfee3 /contrib/libs/clang16-rt/lib/sanitizer_common/sanitizer_syscall_linux_aarch64.inc | |
parent | e7eddec34be4f360877b46ffa2b70fde8a3a5b8f (diff) | |
download | ydb-e62474f851635573f9f6631039e113a02fd50179.tar.gz |
ydb-oss sync: add clang16-rt/ to additionalPathsToCopy
Diffstat (limited to 'contrib/libs/clang16-rt/lib/sanitizer_common/sanitizer_syscall_linux_aarch64.inc')
-rw-r--r-- | contrib/libs/clang16-rt/lib/sanitizer_common/sanitizer_syscall_linux_aarch64.inc | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/contrib/libs/clang16-rt/lib/sanitizer_common/sanitizer_syscall_linux_aarch64.inc b/contrib/libs/clang16-rt/lib/sanitizer_common/sanitizer_syscall_linux_aarch64.inc new file mode 100644 index 0000000000..56c5e99220 --- /dev/null +++ b/contrib/libs/clang16-rt/lib/sanitizer_common/sanitizer_syscall_linux_aarch64.inc @@ -0,0 +1,137 @@ +//===-- sanitizer_syscall_linux_aarch64.inc --------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// Implementations of internal_syscall and internal_iserror for Linux/aarch64. +// +//===----------------------------------------------------------------------===// + +#define SYSCALL(name) __NR_ ## name + +static uptr __internal_syscall(u64 nr) { + register u64 x8 asm("x8") = nr; + register u64 x0 asm("x0"); + asm volatile("svc 0" + : "=r"(x0) + : "r"(x8) + : "memory", "cc"); + return x0; +} +#define __internal_syscall0(n) \ + (__internal_syscall)(n) + +static uptr __internal_syscall(u64 nr, u64 arg1) { + register u64 x8 asm("x8") = nr; + register u64 x0 asm("x0") = arg1; + asm volatile("svc 0" + : "=r"(x0) + : "r"(x8), "0"(x0) + : "memory", "cc"); + return x0; +} +#define __internal_syscall1(n, a1) \ + (__internal_syscall)(n, (u64)(a1)) + +static uptr __internal_syscall(u64 nr, u64 arg1, long arg2) { + register u64 x8 asm("x8") = nr; + register u64 x0 asm("x0") = arg1; + register u64 x1 asm("x1") = arg2; + asm volatile("svc 0" + : "=r"(x0) + : "r"(x8), "0"(x0), "r"(x1) + : "memory", "cc"); + return x0; +} +#define __internal_syscall2(n, a1, a2) \ + (__internal_syscall)(n, (u64)(a1), (long)(a2)) + +static uptr __internal_syscall(u64 nr, u64 arg1, long arg2, long arg3) { + register u64 x8 asm("x8") = nr; + register u64 x0 asm("x0") = arg1; + register u64 x1 asm("x1") = arg2; + register u64 x2 asm("x2") = arg3; + asm volatile("svc 0" + : "=r"(x0) + : "r"(x8), "0"(x0), "r"(x1), "r"(x2) + : "memory", "cc"); + return x0; +} +#define __internal_syscall3(n, a1, a2, a3) \ + (__internal_syscall)(n, (u64)(a1), (long)(a2), (long)(a3)) + +static uptr __internal_syscall(u64 nr, u64 arg1, long arg2, long arg3, + u64 arg4) { + register u64 x8 asm("x8") = nr; + register u64 x0 asm("x0") = arg1; + register u64 x1 asm("x1") = arg2; + register u64 x2 asm("x2") = arg3; + register u64 x3 asm("x3") = arg4; + asm volatile("svc 0" + : "=r"(x0) + : "r"(x8), "0"(x0), "r"(x1), "r"(x2), "r"(x3) + : "memory", "cc"); + return x0; +} +#define __internal_syscall4(n, a1, a2, a3, a4) \ + (__internal_syscall)(n, (u64)(a1), (long)(a2), (long)(a3), (long)(a4)) + +static uptr __internal_syscall(u64 nr, u64 arg1, long arg2, long arg3, + u64 arg4, long arg5) { + register u64 x8 asm("x8") = nr; + register u64 x0 asm("x0") = arg1; + register u64 x1 asm("x1") = arg2; + register u64 x2 asm("x2") = arg3; + register u64 x3 asm("x3") = arg4; + register u64 x4 asm("x4") = arg5; + asm volatile("svc 0" + : "=r"(x0) + : "r"(x8), "0"(x0), "r"(x1), "r"(x2), "r"(x3), "r"(x4) + : "memory", "cc"); + return x0; +} +#define __internal_syscall5(n, a1, a2, a3, a4, a5) \ + (__internal_syscall)(n, (u64)(a1), (long)(a2), (long)(a3), (long)(a4), \ + (u64)(a5)) + +static uptr __internal_syscall(u64 nr, u64 arg1, long arg2, long arg3, + u64 arg4, long arg5, long arg6) { + register u64 x8 asm("x8") = nr; + register u64 x0 asm("x0") = arg1; + register u64 x1 asm("x1") = arg2; + register u64 x2 asm("x2") = arg3; + register u64 x3 asm("x3") = arg4; + register u64 x4 asm("x4") = arg5; + register u64 x5 asm("x5") = arg6; + asm volatile("svc 0" + : "=r"(x0) + : "r"(x8), "0"(x0), "r"(x1), "r"(x2), "r"(x3), "r"(x4), "r"(x5) + : "memory", "cc"); + return x0; +} +#define __internal_syscall6(n, a1, a2, a3, a4, a5, a6) \ + (__internal_syscall)(n, (u64)(a1), (long)(a2), (long)(a3), (long)(a4), \ + (u64)(a5), (long)(a6)) + +#define __SYSCALL_NARGS_X(a1, a2, a3, a4, a5, a6, a7, a8, n, ...) n +#define __SYSCALL_NARGS(...) \ + __SYSCALL_NARGS_X(__VA_ARGS__, 7, 6, 5, 4, 3, 2, 1, 0, ) +#define __SYSCALL_CONCAT_X(a, b) a##b +#define __SYSCALL_CONCAT(a, b) __SYSCALL_CONCAT_X(a, b) +#define __SYSCALL_DISP(b, ...) \ + __SYSCALL_CONCAT(b, __SYSCALL_NARGS(__VA_ARGS__))(__VA_ARGS__) + +#define internal_syscall(...) __SYSCALL_DISP(__internal_syscall, __VA_ARGS__) + +// Helper function used to avoid cobbler errno. +bool internal_iserror(uptr retval, int *rverrno) { + if (retval >= (uptr)-4095) { + if (rverrno) + *rverrno = -retval; + return true; + } + return false; +} |