crashpad/util/misc/capture_context_test_util_fuchsia.cc
Mark Mentovai 6278690abe Update copyright boilerplate, 2022 edition (Crashpad)
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$')

Bug: chromium:1098010
Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
2022-09-06 23:54:07 +00:00

59 lines
1.9 KiB
C++

// Copyright 2018 The Crashpad 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 "util/misc/capture_context_test_util.h"
#include "gtest/gtest.h"
#include "util/misc/from_pointer_cast.h"
namespace crashpad {
namespace test {
#if defined(ARCH_CPU_X86_64)
static_assert(offsetof(NativeCPUContext, uc_mcontext) == 0x28,
"unexpected mcontext offset");
static_assert(offsetof(NativeCPUContext, uc_mcontext.gregs[REG_RSP]) == 0xa0,
"unexpected rsp offset");
static_assert(offsetof(NativeCPUContext, uc_mcontext.gregs[REG_RIP]) == 0xa8,
"unexpected rip offset");
#endif // ARCH_CPU_X86_64
void SanityCheckContext(const NativeCPUContext& context) {
#if defined(ARCH_CPU_X86_64)
EXPECT_EQ(context.uc_mcontext.gregs[REG_RDI],
FromPointerCast<intptr_t>(&context));
#elif defined(ARCH_CPU_ARM64)
EXPECT_EQ(context.uc_mcontext.regs[0], FromPointerCast<uintptr_t>(&context));
#endif
}
uintptr_t ProgramCounterFromContext(const NativeCPUContext& context) {
#if defined(ARCH_CPU_X86_64)
return context.uc_mcontext.gregs[REG_RIP];
#elif defined(ARCH_CPU_ARM64)
return context.uc_mcontext.pc;
#endif
}
uintptr_t StackPointerFromContext(const NativeCPUContext& context) {
#if defined(ARCH_CPU_X86_64)
return context.uc_mcontext.gregs[REG_RSP];
#elif defined(ARCH_CPU_ARM64)
return context.uc_mcontext.sp;
#endif
}
} // namespace test
} // namespace crashpad