diff options
Diffstat (limited to 'test/syscalls/linux/rseq')
-rw-r--r-- | test/syscalls/linux/rseq/BUILD | 58 | ||||
-rw-r--r-- | test/syscalls/linux/rseq/critical.S | 66 | ||||
-rw-r--r-- | test/syscalls/linux/rseq/critical.h | 39 | ||||
-rw-r--r-- | test/syscalls/linux/rseq/rseq.cc | 366 | ||||
-rw-r--r-- | test/syscalls/linux/rseq/start.S | 45 | ||||
-rw-r--r-- | test/syscalls/linux/rseq/syscalls.h | 66 | ||||
-rw-r--r-- | test/syscalls/linux/rseq/test.h | 43 | ||||
-rw-r--r-- | test/syscalls/linux/rseq/types.h | 31 | ||||
-rw-r--r-- | test/syscalls/linux/rseq/uapi.h | 49 |
9 files changed, 0 insertions, 763 deletions
diff --git a/test/syscalls/linux/rseq/BUILD b/test/syscalls/linux/rseq/BUILD deleted file mode 100644 index ed488dbc2..000000000 --- a/test/syscalls/linux/rseq/BUILD +++ /dev/null @@ -1,58 +0,0 @@ -# This package contains a standalone rseq test binary. This binary must not -# depend on libc, which might use rseq itself. - -load("//tools:defs.bzl", "cc_flags_supplier", "cc_library", "cc_toolchain") - -package(licenses = ["notice"]) - -genrule( - name = "rseq_binary", - srcs = [ - "critical.h", - "critical.S", - "rseq.cc", - "syscalls.h", - "start.S", - "test.h", - "types.h", - "uapi.h", - ], - outs = ["rseq"], - cmd = " ".join([ - "$(CC)", - "$(CC_FLAGS) ", - "-I.", - "-Wall", - "-Werror", - "-O2", - "-std=c++17", - "-static", - "-nostdlib", - "-ffreestanding", - "-o", - "$(location rseq)", - "$(location critical.S)", - "$(location rseq.cc)", - "$(location start.S)", - ]), - toolchains = [ - cc_toolchain, - ":no_pie_cc_flags", - ], - visibility = ["//:sandbox"], -) - -cc_flags_supplier( - name = "no_pie_cc_flags", - features = ["-pie"], -) - -cc_library( - name = "lib", - testonly = 1, - hdrs = [ - "test.h", - "uapi.h", - ], - visibility = ["//:sandbox"], -) diff --git a/test/syscalls/linux/rseq/critical.S b/test/syscalls/linux/rseq/critical.S deleted file mode 100644 index 8c0687e6d..000000000 --- a/test/syscalls/linux/rseq/critical.S +++ /dev/null @@ -1,66 +0,0 @@ -// Copyright 2019 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. - -// Restartable sequences critical sections. - -// Loops continuously until aborted. -// -// void rseq_loop(struct rseq* r, struct rseq_cs* cs) - - .text - .globl rseq_loop - .type rseq_loop, @function - -rseq_loop: - jmp begin - - // Abort block before the critical section. - // Abort signature is 4 nops for simplicity. - .byte 0x90, 0x90, 0x90, 0x90 - .globl rseq_loop_early_abort -rseq_loop_early_abort: - ret - -begin: - // r->rseq_cs = cs - movq %rsi, 8(%rdi) - - // N.B. rseq_cs will be cleared by any preempt, even outside the critical - // section. Thus it must be set in or immediately before the critical section - // to ensure it is not cleared before the section begins. - .globl rseq_loop_start -rseq_loop_start: - jmp rseq_loop_start - - // "Pre-commit": extra instructions inside the critical section. These are - // used as the abort point in TestAbortPreCommit, which is not valid. - .globl rseq_loop_pre_commit -rseq_loop_pre_commit: - // Extra abort signature + nop for TestAbortPostCommit. - .byte 0x90, 0x90, 0x90, 0x90 - nop - - // "Post-commit": never reached in this case. - .globl rseq_loop_post_commit -rseq_loop_post_commit: - - // Abort signature is 4 nops for simplicity. - .byte 0x90, 0x90, 0x90, 0x90 - - .globl rseq_loop_abort -rseq_loop_abort: - ret - - .size rseq_loop,.-rseq_loop - .section .note.GNU-stack,"",@progbits diff --git a/test/syscalls/linux/rseq/critical.h b/test/syscalls/linux/rseq/critical.h deleted file mode 100644 index ac987a25e..000000000 --- a/test/syscalls/linux/rseq/critical.h +++ /dev/null @@ -1,39 +0,0 @@ -// Copyright 2019 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. - -#ifndef GVISOR_TEST_SYSCALLS_LINUX_RSEQ_CRITICAL_H_ -#define GVISOR_TEST_SYSCALLS_LINUX_RSEQ_CRITICAL_H_ - -#include "test/syscalls/linux/rseq/types.h" -#include "test/syscalls/linux/rseq/uapi.h" - -constexpr uint32_t kRseqSignature = 0x90909090; - -extern "C" { - -extern void rseq_loop(struct rseq* r, struct rseq_cs* cs); -extern void* rseq_loop_early_abort; -extern void* rseq_loop_start; -extern void* rseq_loop_pre_commit; -extern void* rseq_loop_post_commit; -extern void* rseq_loop_abort; - -extern int rseq_getpid(struct rseq* r, struct rseq_cs* cs); -extern void* rseq_getpid_start; -extern void* rseq_getpid_post_commit; -extern void* rseq_getpid_abort; - -} // extern "C" - -#endif // GVISOR_TEST_SYSCALLS_LINUX_RSEQ_CRITICAL_H_ diff --git a/test/syscalls/linux/rseq/rseq.cc b/test/syscalls/linux/rseq/rseq.cc deleted file mode 100644 index f036db26d..000000000 --- a/test/syscalls/linux/rseq/rseq.cc +++ /dev/null @@ -1,366 +0,0 @@ -// Copyright 2019 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. - -#include "test/syscalls/linux/rseq/critical.h" -#include "test/syscalls/linux/rseq/syscalls.h" -#include "test/syscalls/linux/rseq/test.h" -#include "test/syscalls/linux/rseq/types.h" -#include "test/syscalls/linux/rseq/uapi.h" - -namespace gvisor { -namespace testing { - -extern "C" int main(int argc, char** argv, char** envp); - -// Standalone initialization before calling main(). -extern "C" void __init(uintptr_t* sp) { - int argc = sp[0]; - char** argv = reinterpret_cast<char**>(&sp[1]); - char** envp = &argv[argc + 1]; - - // Call main() and exit. - sys_exit_group(main(argc, argv, envp)); - - // sys_exit_group does not return -} - -int strcmp(const char* s1, const char* s2) { - const unsigned char* p1 = reinterpret_cast<const unsigned char*>(s1); - const unsigned char* p2 = reinterpret_cast<const unsigned char*>(s2); - - while (*p1 == *p2) { - if (!*p1) { - return 0; - } - ++p1; - ++p2; - } - return static_cast<int>(*p1) - static_cast<int>(*p2); -} - -int sys_rseq(struct rseq* rseq, uint32_t rseq_len, int flags, uint32_t sig) { - return raw_syscall(kRseqSyscall, rseq, rseq_len, flags, sig); -} - -// Test that rseq must be aligned. -int TestUnaligned() { - constexpr uintptr_t kRequiredAlignment = alignof(rseq); - - char buf[2 * kRequiredAlignment] = {}; - uintptr_t ptr = reinterpret_cast<uintptr_t>(&buf[0]); - if ((ptr & (kRequiredAlignment - 1)) == 0) { - // buf is already aligned. Misalign it. - ptr++; - } - - int ret = sys_rseq(reinterpret_cast<rseq*>(ptr), sizeof(rseq), 0, 0); - if (sys_errno(ret) != EINVAL) { - return 1; - } - return 0; -} - -// Sanity test that registration works. -int TestRegister() { - struct rseq r = {}; - if (int ret = sys_rseq(&r, sizeof(r), 0, 0); sys_errno(ret) != 0) { - return 1; - } - return 0; -}; - -// Registration can't be done twice. -int TestDoubleRegister() { - struct rseq r = {}; - if (int ret = sys_rseq(&r, sizeof(r), 0, 0); sys_errno(ret) != 0) { - return 1; - } - - if (int ret = sys_rseq(&r, sizeof(r), 0, 0); sys_errno(ret) != EBUSY) { - return 1; - } - - return 0; -}; - -// Registration can be done again after unregister. -int TestRegisterUnregister() { - struct rseq r = {}; - if (int ret = sys_rseq(&r, sizeof(r), 0, 0); sys_errno(ret) != 0) { - return 1; - } - - if (int ret = sys_rseq(&r, sizeof(r), kRseqFlagUnregister, 0); - sys_errno(ret) != 0) { - return 1; - } - - if (int ret = sys_rseq(&r, sizeof(r), 0, 0); sys_errno(ret) != 0) { - return 1; - } - - return 0; -}; - -// The pointer to rseq must match on register/unregister. -int TestUnregisterDifferentPtr() { - struct rseq r = {}; - if (int ret = sys_rseq(&r, sizeof(r), 0, 0); sys_errno(ret) != 0) { - return 1; - } - - struct rseq r2 = {}; - if (int ret = sys_rseq(&r2, sizeof(r2), kRseqFlagUnregister, 0); - sys_errno(ret) != EINVAL) { - return 1; - } - - return 0; -}; - -// The signature must match on register/unregister. -int TestUnregisterDifferentSignature() { - constexpr int kSignature = 0; - - struct rseq r = {}; - if (int ret = sys_rseq(&r, sizeof(r), 0, kSignature); sys_errno(ret) != 0) { - return 1; - } - - if (int ret = sys_rseq(&r, sizeof(r), kRseqFlagUnregister, kSignature + 1); - sys_errno(ret) != EPERM) { - return 1; - } - - return 0; -}; - -// The CPU ID is initialized. -int TestCPU() { - struct rseq r = {}; - r.cpu_id = kRseqCPUIDUninitialized; - - if (int ret = sys_rseq(&r, sizeof(r), 0, 0); sys_errno(ret) != 0) { - return 1; - } - - if (__atomic_load_n(&r.cpu_id, __ATOMIC_RELAXED) < 0) { - return 1; - } - if (__atomic_load_n(&r.cpu_id_start, __ATOMIC_RELAXED) < 0) { - return 1; - } - - return 0; -}; - -// Critical section is eventually aborted. -int TestAbort() { - struct rseq r = {}; - if (int ret = sys_rseq(&r, sizeof(r), 0, kRseqSignature); - sys_errno(ret) != 0) { - return 1; - } - - struct rseq_cs cs = {}; - cs.version = 0; - cs.flags = 0; - cs.start_ip = reinterpret_cast<uint64_t>(&rseq_loop_start); - cs.post_commit_offset = reinterpret_cast<uint64_t>(&rseq_loop_post_commit) - - reinterpret_cast<uint64_t>(&rseq_loop_start); - cs.abort_ip = reinterpret_cast<uint64_t>(&rseq_loop_abort); - - // Loops until abort. If this returns then abort occurred. - rseq_loop(&r, &cs); - - return 0; -}; - -// Abort may be before the critical section. -int TestAbortBefore() { - struct rseq r = {}; - if (int ret = sys_rseq(&r, sizeof(r), 0, kRseqSignature); - sys_errno(ret) != 0) { - return 1; - } - - struct rseq_cs cs = {}; - cs.version = 0; - cs.flags = 0; - cs.start_ip = reinterpret_cast<uint64_t>(&rseq_loop_start); - cs.post_commit_offset = reinterpret_cast<uint64_t>(&rseq_loop_post_commit) - - reinterpret_cast<uint64_t>(&rseq_loop_start); - cs.abort_ip = reinterpret_cast<uint64_t>(&rseq_loop_early_abort); - - // Loops until abort. If this returns then abort occurred. - rseq_loop(&r, &cs); - - return 0; -}; - -// Signature must match. -int TestAbortSignature() { - struct rseq r = {}; - if (int ret = sys_rseq(&r, sizeof(r), 0, kRseqSignature + 1); - sys_errno(ret) != 0) { - return 1; - } - - struct rseq_cs cs = {}; - cs.version = 0; - cs.flags = 0; - cs.start_ip = reinterpret_cast<uint64_t>(&rseq_loop_start); - cs.post_commit_offset = reinterpret_cast<uint64_t>(&rseq_loop_post_commit) - - reinterpret_cast<uint64_t>(&rseq_loop_start); - cs.abort_ip = reinterpret_cast<uint64_t>(&rseq_loop_abort); - - // Loops until abort. This should SIGSEGV on abort. - rseq_loop(&r, &cs); - - return 1; -}; - -// Abort must not be in the critical section. -int TestAbortPreCommit() { - struct rseq r = {}; - if (int ret = sys_rseq(&r, sizeof(r), 0, kRseqSignature + 1); - sys_errno(ret) != 0) { - return 1; - } - - struct rseq_cs cs = {}; - cs.version = 0; - cs.flags = 0; - cs.start_ip = reinterpret_cast<uint64_t>(&rseq_loop_start); - cs.post_commit_offset = reinterpret_cast<uint64_t>(&rseq_loop_post_commit) - - reinterpret_cast<uint64_t>(&rseq_loop_start); - cs.abort_ip = reinterpret_cast<uint64_t>(&rseq_loop_pre_commit); - - // Loops until abort. This should SIGSEGV on abort. - rseq_loop(&r, &cs); - - return 1; -}; - -// rseq.rseq_cs is cleared on abort. -int TestAbortClearsCS() { - struct rseq r = {}; - if (int ret = sys_rseq(&r, sizeof(r), 0, kRseqSignature); - sys_errno(ret) != 0) { - return 1; - } - - struct rseq_cs cs = {}; - cs.version = 0; - cs.flags = 0; - cs.start_ip = reinterpret_cast<uint64_t>(&rseq_loop_start); - cs.post_commit_offset = reinterpret_cast<uint64_t>(&rseq_loop_post_commit) - - reinterpret_cast<uint64_t>(&rseq_loop_start); - cs.abort_ip = reinterpret_cast<uint64_t>(&rseq_loop_abort); - - // Loops until abort. If this returns then abort occurred. - rseq_loop(&r, &cs); - - if (__atomic_load_n(&r.rseq_cs, __ATOMIC_RELAXED)) { - return 1; - } - - return 0; -}; - -// rseq.rseq_cs is cleared on abort outside of critical section. -int TestInvalidAbortClearsCS() { - struct rseq r = {}; - if (int ret = sys_rseq(&r, sizeof(r), 0, kRseqSignature); - sys_errno(ret) != 0) { - return 1; - } - - struct rseq_cs cs = {}; - cs.version = 0; - cs.flags = 0; - cs.start_ip = reinterpret_cast<uint64_t>(&rseq_loop_start); - cs.post_commit_offset = reinterpret_cast<uint64_t>(&rseq_loop_post_commit) - - reinterpret_cast<uint64_t>(&rseq_loop_start); - cs.abort_ip = reinterpret_cast<uint64_t>(&rseq_loop_abort); - - __atomic_store_n(&r.rseq_cs, &cs, __ATOMIC_RELAXED); - - // When the next abort condition occurs, the kernel will clear cs once it - // determines we aren't in the critical section. - while (1) { - if (!__atomic_load_n(&r.rseq_cs, __ATOMIC_RELAXED)) { - break; - } - } - - return 0; -}; - -// Exit codes: -// 0 - Pass -// 1 - Fail -// 2 - Missing argument -// 3 - Unknown test case -extern "C" int main(int argc, char** argv, char** envp) { - if (argc != 2) { - // Usage: rseq <test case> - return 2; - } - - if (strcmp(argv[1], kRseqTestUnaligned) == 0) { - return TestUnaligned(); - } - if (strcmp(argv[1], kRseqTestRegister) == 0) { - return TestRegister(); - } - if (strcmp(argv[1], kRseqTestDoubleRegister) == 0) { - return TestDoubleRegister(); - } - if (strcmp(argv[1], kRseqTestRegisterUnregister) == 0) { - return TestRegisterUnregister(); - } - if (strcmp(argv[1], kRseqTestUnregisterDifferentPtr) == 0) { - return TestUnregisterDifferentPtr(); - } - if (strcmp(argv[1], kRseqTestUnregisterDifferentSignature) == 0) { - return TestUnregisterDifferentSignature(); - } - if (strcmp(argv[1], kRseqTestCPU) == 0) { - return TestCPU(); - } - if (strcmp(argv[1], kRseqTestAbort) == 0) { - return TestAbort(); - } - if (strcmp(argv[1], kRseqTestAbortBefore) == 0) { - return TestAbortBefore(); - } - if (strcmp(argv[1], kRseqTestAbortSignature) == 0) { - return TestAbortSignature(); - } - if (strcmp(argv[1], kRseqTestAbortPreCommit) == 0) { - return TestAbortPreCommit(); - } - if (strcmp(argv[1], kRseqTestAbortClearsCS) == 0) { - return TestAbortClearsCS(); - } - if (strcmp(argv[1], kRseqTestInvalidAbortClearsCS) == 0) { - return TestInvalidAbortClearsCS(); - } - - return 3; -} - -} // namespace testing -} // namespace gvisor diff --git a/test/syscalls/linux/rseq/start.S b/test/syscalls/linux/rseq/start.S deleted file mode 100644 index b9611b276..000000000 --- a/test/syscalls/linux/rseq/start.S +++ /dev/null @@ -1,45 +0,0 @@ -// Copyright 2019 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. - - - .text - .align 4 - .type _start,@function - .globl _start - -_start: - movq %rsp,%rdi - call __init - hlt - - .size _start,.-_start - .section .note.GNU-stack,"",@progbits - - .text - .globl raw_syscall - .type raw_syscall, @function - -raw_syscall: - mov %rdi,%rax // syscall # - mov %rsi,%rdi // arg0 - mov %rdx,%rsi // arg1 - mov %rcx,%rdx // arg2 - mov %r8,%r10 // arg3 (goes in r10 instead of rcx for system calls) - mov %r9,%r8 // arg4 - mov 0x8(%rsp),%r9 // arg5 - syscall - ret - - .size raw_syscall,.-raw_syscall - .section .note.GNU-stack,"",@progbits diff --git a/test/syscalls/linux/rseq/syscalls.h b/test/syscalls/linux/rseq/syscalls.h deleted file mode 100644 index e5299c188..000000000 --- a/test/syscalls/linux/rseq/syscalls.h +++ /dev/null @@ -1,66 +0,0 @@ -// Copyright 2019 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. - -#ifndef GVISOR_TEST_SYSCALLS_LINUX_RSEQ_SYSCALLS_H_ -#define GVISOR_TEST_SYSCALLS_LINUX_RSEQ_SYSCALLS_H_ - -#include "test/syscalls/linux/rseq/types.h" - -#ifdef __x86_64__ -// Syscall numbers. -constexpr int kGetpid = 39; -constexpr int kExitGroup = 231; -#else -#error "Unknown architecture" -#endif - -namespace gvisor { -namespace testing { - -// Standalone system call interfaces. -// Note that these are all "raw" system call interfaces which encode -// errors by setting the return value to a small negative number. -// Use sys_errno() to check system call return values for errors. - -// Maximum Linux error number. -constexpr int kMaxErrno = 4095; - -// Errno values. -#define EPERM 1 -#define EFAULT 14 -#define EBUSY 16 -#define EINVAL 22 - -// Get the error number from a raw system call return value. -// Returns a positive error number or 0 if there was no error. -static inline int sys_errno(uintptr_t rval) { - if (rval >= static_cast<uintptr_t>(-kMaxErrno)) { - return -static_cast<int>(rval); - } - return 0; -} - -extern "C" uintptr_t raw_syscall(int number, ...); - -static inline void sys_exit_group(int status) { - raw_syscall(kExitGroup, status); -} -static inline int sys_getpid() { - return static_cast<int>(raw_syscall(kGetpid)); -} - -} // namespace testing -} // namespace gvisor - -#endif // GVISOR_TEST_SYSCALLS_LINUX_RSEQ_SYSCALLS_H_ diff --git a/test/syscalls/linux/rseq/test.h b/test/syscalls/linux/rseq/test.h deleted file mode 100644 index 3b7bb74b1..000000000 --- a/test/syscalls/linux/rseq/test.h +++ /dev/null @@ -1,43 +0,0 @@ -// Copyright 2019 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. - -#ifndef GVISOR_TEST_SYSCALLS_LINUX_RSEQ_TEST_H_ -#define GVISOR_TEST_SYSCALLS_LINUX_RSEQ_TEST_H_ - -namespace gvisor { -namespace testing { - -// Test cases supported by rseq binary. - -inline constexpr char kRseqTestUnaligned[] = "unaligned"; -inline constexpr char kRseqTestRegister[] = "register"; -inline constexpr char kRseqTestDoubleRegister[] = "double-register"; -inline constexpr char kRseqTestRegisterUnregister[] = "register-unregister"; -inline constexpr char kRseqTestUnregisterDifferentPtr[] = - "unregister-different-ptr"; -inline constexpr char kRseqTestUnregisterDifferentSignature[] = - "unregister-different-signature"; -inline constexpr char kRseqTestCPU[] = "cpu"; -inline constexpr char kRseqTestAbort[] = "abort"; -inline constexpr char kRseqTestAbortBefore[] = "abort-before"; -inline constexpr char kRseqTestAbortSignature[] = "abort-signature"; -inline constexpr char kRseqTestAbortPreCommit[] = "abort-precommit"; -inline constexpr char kRseqTestAbortClearsCS[] = "abort-clears-cs"; -inline constexpr char kRseqTestInvalidAbortClearsCS[] = - "invalid-abort-clears-cs"; - -} // namespace testing -} // namespace gvisor - -#endif // GVISOR_TEST_SYSCALLS_LINUX_RSEQ_TEST_H_ diff --git a/test/syscalls/linux/rseq/types.h b/test/syscalls/linux/rseq/types.h deleted file mode 100644 index b6afe9817..000000000 --- a/test/syscalls/linux/rseq/types.h +++ /dev/null @@ -1,31 +0,0 @@ -// Copyright 2019 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. - -#ifndef GVISOR_TEST_SYSCALLS_LINUX_RSEQ_TYPES_H_ -#define GVISOR_TEST_SYSCALLS_LINUX_RSEQ_TYPES_H_ - -using size_t = __SIZE_TYPE__; -using uintptr_t = __UINTPTR_TYPE__; - -using uint8_t = __UINT8_TYPE__; -using uint16_t = __UINT16_TYPE__; -using uint32_t = __UINT32_TYPE__; -using uint64_t = __UINT64_TYPE__; - -using int8_t = __INT8_TYPE__; -using int16_t = __INT16_TYPE__; -using int32_t = __INT32_TYPE__; -using int64_t = __INT64_TYPE__; - -#endif // GVISOR_TEST_SYSCALLS_LINUX_RSEQ_TYPES_H_ diff --git a/test/syscalls/linux/rseq/uapi.h b/test/syscalls/linux/rseq/uapi.h deleted file mode 100644 index ca1d67691..000000000 --- a/test/syscalls/linux/rseq/uapi.h +++ /dev/null @@ -1,49 +0,0 @@ -// Copyright 2019 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. - -#ifndef GVISOR_TEST_SYSCALLS_LINUX_RSEQ_UAPI_H_ -#define GVISOR_TEST_SYSCALLS_LINUX_RSEQ_UAPI_H_ - -#include <stdint.h> - -// User-kernel ABI for restartable sequences. - -#ifdef __x86_64__ -// Syscall numbers. -constexpr int kRseqSyscall = 334; -#else -#error "Unknown architecture" -#endif // __x86_64__ - -struct rseq_cs { - uint32_t version; - uint32_t flags; - uint64_t start_ip; - uint64_t post_commit_offset; - uint64_t abort_ip; -} __attribute__((aligned(4 * sizeof(uint64_t)))); - -// N.B. alignment is enforced by the kernel. -struct rseq { - uint32_t cpu_id_start; - uint32_t cpu_id; - struct rseq_cs* rseq_cs; - uint32_t flags; -} __attribute__((aligned(4 * sizeof(uint64_t)))); - -constexpr int kRseqFlagUnregister = 1 << 0; - -constexpr int kRseqCPUIDUninitialized = -1; - -#endif // GVISOR_TEST_SYSCALLS_LINUX_RSEQ_UAPI_H_ |