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-rw-r--r--test/syscalls/linux/rseq/BUILD61
-rw-r--r--test/syscalls/linux/rseq/critical.h39
-rw-r--r--test/syscalls/linux/rseq/critical_amd64.S66
-rw-r--r--test/syscalls/linux/rseq/critical_arm64.S66
-rw-r--r--test/syscalls/linux/rseq/rseq.cc377
-rw-r--r--test/syscalls/linux/rseq/start_amd64.S45
-rw-r--r--test/syscalls/linux/rseq/start_arm64.S45
-rw-r--r--test/syscalls/linux/rseq/syscalls.h69
-rw-r--r--test/syscalls/linux/rseq/test.h41
-rw-r--r--test/syscalls/linux/rseq/types.h31
-rw-r--r--test/syscalls/linux/rseq/uapi.h51
11 files changed, 0 insertions, 891 deletions
diff --git a/test/syscalls/linux/rseq/BUILD b/test/syscalls/linux/rseq/BUILD
deleted file mode 100644
index 853258b04..000000000
--- a/test/syscalls/linux/rseq/BUILD
+++ /dev/null
@@ -1,61 +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", "select_arch")
-
-package(licenses = ["notice"])
-
-genrule(
- name = "rseq_binary",
- srcs = [
- "critical.h",
- "critical_amd64.S",
- "critical_arm64.S",
- "rseq.cc",
- "syscalls.h",
- "start_amd64.S",
- "start_arm64.S",
- "test.h",
- "types.h",
- "uapi.h",
- ],
- outs = ["rseq"],
- cmd = "$(CC) " +
- "$(CC_FLAGS) " +
- "-I. " +
- "-Wall " +
- "-Werror " +
- "-O2 " +
- "-std=c++17 " +
- "-static " +
- "-nostdlib " +
- "-ffreestanding " +
- "-o " +
- "$(location rseq) " +
- select_arch(
- amd64 = "$(location critical_amd64.S) $(location start_amd64.S) ",
- arm64 = "$(location critical_arm64.S) $(location start_arm64.S) ",
- no_match_error = "unsupported architecture",
- ) +
- "$(location rseq.cc)",
- 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.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/critical_amd64.S b/test/syscalls/linux/rseq/critical_amd64.S
deleted file mode 100644
index 8c0687e6d..000000000
--- a/test/syscalls/linux/rseq/critical_amd64.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_arm64.S b/test/syscalls/linux/rseq/critical_arm64.S
deleted file mode 100644
index bfe7e8307..000000000
--- a/test/syscalls/linux/rseq/critical_arm64.S
+++ /dev/null
@@ -1,66 +0,0 @@
-// Copyright 2020 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:
- b begin
-
- // Abort block before the critical section.
- // Abort signature.
- .byte 0x90, 0x90, 0x90, 0x90
- .globl rseq_loop_early_abort
-rseq_loop_early_abort:
- ret
-
-begin:
- // r->rseq_cs = cs
- str x1, [x0, #8]
-
- // 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:
- b 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.
- .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/rseq.cc b/test/syscalls/linux/rseq/rseq.cc
deleted file mode 100644
index 6f5d38bba..000000000
--- a/test/syscalls/linux/rseq/rseq.cc
+++ /dev/null
@@ -1,377 +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 = {};
- int ret = sys_rseq(&r, sizeof(r), 0, 0);
- if (sys_errno(ret) != 0) {
- return 1;
- }
- return 0;
-}
-
-// Registration can't be done twice.
-int TestDoubleRegister() {
- struct rseq r = {};
- int ret = sys_rseq(&r, sizeof(r), 0, 0);
- if (sys_errno(ret) != 0) {
- return 1;
- }
-
- ret = sys_rseq(&r, sizeof(r), 0, 0);
- if (sys_errno(ret) != EBUSY) {
- return 1;
- }
-
- return 0;
-}
-
-// Registration can be done again after unregister.
-int TestRegisterUnregister() {
- struct rseq r = {};
-
- int ret = sys_rseq(&r, sizeof(r), 0, 0);
- if (sys_errno(ret) != 0) {
- return 1;
- }
-
- ret = sys_rseq(&r, sizeof(r), kRseqFlagUnregister, 0);
- if (sys_errno(ret) != 0) {
- return 1;
- }
-
- ret = sys_rseq(&r, sizeof(r), 0, 0);
- if (sys_errno(ret) != 0) {
- return 1;
- }
-
- return 0;
-}
-
-// The pointer to rseq must match on register/unregister.
-int TestUnregisterDifferentPtr() {
- struct rseq r = {};
-
- int ret = sys_rseq(&r, sizeof(r), 0, 0);
- if (sys_errno(ret) != 0) {
- return 1;
- }
-
- struct rseq r2 = {};
-
- ret = sys_rseq(&r2, sizeof(r2), kRseqFlagUnregister, 0);
- if (sys_errno(ret) != EINVAL) {
- return 1;
- }
-
- return 0;
-}
-
-// The signature must match on register/unregister.
-int TestUnregisterDifferentSignature() {
- constexpr int kSignature = 0;
-
- struct rseq r = {};
- int ret = sys_rseq(&r, sizeof(r), 0, kSignature);
- if (sys_errno(ret) != 0) {
- return 1;
- }
-
- ret = sys_rseq(&r, sizeof(r), kRseqFlagUnregister, kSignature + 1);
- if (sys_errno(ret) != EPERM) {
- return 1;
- }
-
- return 0;
-}
-
-// The CPU ID is initialized.
-int TestCPU() {
- struct rseq r = {};
- r.cpu_id = kRseqCPUIDUninitialized;
-
- int ret = sys_rseq(&r, sizeof(r), 0, 0);
- if (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 = {};
- int ret = sys_rseq(&r, sizeof(r), 0, kRseqSignature);
- if (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 = {};
- int ret = sys_rseq(&r, sizeof(r), 0, kRseqSignature);
- if (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 = {};
- int ret = sys_rseq(&r, sizeof(r), 0, kRseqSignature + 1);
- if (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 = {};
- int ret = sys_rseq(&r, sizeof(r), 0, kRseqSignature + 1);
- if (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 = {};
- int ret = sys_rseq(&r, sizeof(r), 0, kRseqSignature);
- if (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 = {};
- int ret = sys_rseq(&r, sizeof(r), 0, kRseqSignature);
- if (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_amd64.S b/test/syscalls/linux/rseq/start_amd64.S
deleted file mode 100644
index b9611b276..000000000
--- a/test/syscalls/linux/rseq/start_amd64.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/start_arm64.S b/test/syscalls/linux/rseq/start_arm64.S
deleted file mode 100644
index 693c1c6eb..000000000
--- a/test/syscalls/linux/rseq/start_arm64.S
+++ /dev/null
@@ -1,45 +0,0 @@
-// Copyright 2020 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:
- mov x29, sp
- bl __init
- wfi
-
- .size _start,.-_start
- .section .note.GNU-stack,"",@progbits
-
- .text
- .globl raw_syscall
- .type raw_syscall, @function
-
-raw_syscall:
- mov x8,x0 // syscall #
- mov x0,x1 // arg0
- mov x1,x2 // arg1
- mov x2,x3 // arg2
- mov x3,x4 // arg3
- mov x4,x5 // arg4
- mov x5,x6 // arg5
- svc #0
- 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 c4118e6c5..000000000
--- a/test/syscalls/linux/rseq/syscalls.h
+++ /dev/null
@@ -1,69 +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"
-
-// Syscall numbers.
-#if defined(__x86_64__)
-constexpr int kGetpid = 39;
-constexpr int kExitGroup = 231;
-#elif defined(__aarch64__)
-constexpr int kGetpid = 172;
-constexpr int kExitGroup = 94;
-#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 ff0dd6e48..000000000
--- a/test/syscalls/linux/rseq/test.h
+++ /dev/null
@@ -1,41 +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.
-
-constexpr char kRseqTestUnaligned[] = "unaligned";
-constexpr char kRseqTestRegister[] = "register";
-constexpr char kRseqTestDoubleRegister[] = "double-register";
-constexpr char kRseqTestRegisterUnregister[] = "register-unregister";
-constexpr char kRseqTestUnregisterDifferentPtr[] = "unregister-different-ptr";
-constexpr char kRseqTestUnregisterDifferentSignature[] =
- "unregister-different-signature";
-constexpr char kRseqTestCPU[] = "cpu";
-constexpr char kRseqTestAbort[] = "abort";
-constexpr char kRseqTestAbortBefore[] = "abort-before";
-constexpr char kRseqTestAbortSignature[] = "abort-signature";
-constexpr char kRseqTestAbortPreCommit[] = "abort-precommit";
-constexpr char kRseqTestAbortClearsCS[] = "abort-clears-cs";
-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 d3e60d0a4..000000000
--- a/test/syscalls/linux/rseq/uapi.h
+++ /dev/null
@@ -1,51 +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.
-
-// Syscall numbers.
-#if defined(__x86_64__)
-constexpr int kRseqSyscall = 334;
-#elif defined(__aarch64__)
-constexpr int kRseqSyscall = 293;
-#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_
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 08:34:36 +0000