michael@0: // Copyright (c) 2012, Google Inc.
michael@0: // All rights reserved.
michael@0: //
michael@0: // Redistribution and use in source and binary forms, with or without
michael@0: // modification, are permitted provided that the following conditions are
michael@0: // met:
michael@0: //
michael@0: //     * Redistributions of source code must retain the above copyright
michael@0: // notice, this list of conditions and the following disclaimer.
michael@0: //     * Redistributions in binary form must reproduce the above
michael@0: // copyright notice, this list of conditions and the following disclaimer
michael@0: // in the documentation and/or other materials provided with the
michael@0: // distribution.
michael@0: //     * Neither the name of Google Inc. nor the names of its
michael@0: // contributors may be used to endorse or promote products derived from
michael@0: // this software without specific prior written permission.
michael@0: //
michael@0: // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0: // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0: // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
michael@0: // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
michael@0: // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
michael@0: // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
michael@0: // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
michael@0: // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
michael@0: // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
michael@0: // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
michael@0: // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0: 
michael@0: #include <sys/ucontext.h>
michael@0: 
michael@0: #include "breakpad_googletest_includes.h"
michael@0: #include "common/android/ucontext_constants.h"
michael@0: 
michael@0: TEST(AndroidUContext, GRegsOffset) {
michael@0: #ifdef __arm__
michael@0:   // There is no gregs[] array on ARM, so compare to the offset of
michael@0:   // first register fields, since they're stored in order.
michael@0:   ASSERT_EQ(static_cast<size_t>(MCONTEXT_GREGS_OFFSET),
michael@0:             offsetof(ucontext_t,uc_mcontext.arm_r0));
michael@0: #elif defined(__i386__)
michael@0:   ASSERT_EQ(static_cast<size_t>(MCONTEXT_GREGS_OFFSET),
michael@0:             offsetof(ucontext_t,uc_mcontext.gregs));
michael@0: #define CHECK_REG(x) \
michael@0:   ASSERT_EQ(static_cast<size_t>(MCONTEXT_##x##_OFFSET),         \
michael@0:             offsetof(ucontext_t,uc_mcontext.gregs[REG_##x]))
michael@0:   CHECK_REG(GS);
michael@0:   CHECK_REG(FS);
michael@0:   CHECK_REG(ES);
michael@0:   CHECK_REG(DS);
michael@0:   CHECK_REG(EDI);
michael@0:   CHECK_REG(ESI);
michael@0:   CHECK_REG(EBP);
michael@0:   CHECK_REG(ESP);
michael@0:   CHECK_REG(EBX);
michael@0:   CHECK_REG(EDX);
michael@0:   CHECK_REG(ECX);
michael@0:   CHECK_REG(EAX);
michael@0:   CHECK_REG(TRAPNO);
michael@0:   CHECK_REG(ERR);
michael@0:   CHECK_REG(EIP);
michael@0:   CHECK_REG(CS);
michael@0:   CHECK_REG(EFL);
michael@0:   CHECK_REG(UESP);
michael@0:   CHECK_REG(SS);
michael@0: 
michael@0:   ASSERT_EQ(static_cast<size_t>(UCONTEXT_FPREGS_OFFSET),
michael@0:             offsetof(ucontext_t,uc_mcontext.fpregs));
michael@0: 
michael@0:   ASSERT_EQ(static_cast<size_t>(UCONTEXT_FPREGS_MEM_OFFSET),
michael@0:             offsetof(ucontext_t,__fpregs_mem));
michael@0: #else
michael@0:   ASSERT_EQ(static_cast<size_t>(MCONTEXT_GREGS_OFFSET),
michael@0:             offsetof(ucontext_t,uc_mcontext.gregs));
michael@0: #endif
michael@0: }
michael@0: 
michael@0: TEST(AndroidUContext, SigmakOffset) {
michael@0:   ASSERT_EQ(static_cast<size_t>(UCONTEXT_SIGMASK_OFFSET),
michael@0:             offsetof(ucontext_t,uc_sigmask));
michael@0: }