1513 static void SetUcontextSp(uint64_t sp, ucontext_t* ucontext) {  in SetUcontextSp()  argument
1515   ucontext->uc_mcontext.arm_sp = sp;  in SetUcontextSp()
1517   ucontext->uc_mcontext.sp = sp;  in SetUcontextSp()
1519   ucontext->uc_mcontext.gregs[REG_ESP] = sp;  in SetUcontextSp()
1521   ucontext->uc_mcontext.gregs[REG_RSP] = sp;  in SetUcontextSp()
1524   UNUSED(ucontext);  in SetUcontextSp()
1529 static void SetUcontextPc(uint64_t pc, ucontext_t* ucontext) {  in SetUcontextPc()  argument
1531   ucontext->uc_mcontext.arm_pc = pc;  in SetUcontextPc()
1533   ucontext->uc_mcontext.pc = pc;  in SetUcontextPc()
1535   ucontext->uc_mcontext.gregs[REG_EIP] = pc;  in SetUcontextPc()
1537   ucontext->uc_mcontext.gregs[REG_RIP] = pc;  in SetUcontextPc()
1540   UNUSED(ucontext);  in SetUcontextPc()
1545 static void SetUcontextLr(uint64_t lr, ucontext_t* ucontext) {  in SetUcontextLr()  argument
1547   ucontext->uc_mcontext.arm_lr = lr;  in SetUcontextLr()
1549   ucontext->uc_mcontext.regs[30] = lr;  in SetUcontextLr()
1553   ASSERT_TRUE(ucontext != nullptr);  in SetUcontextLr()
1557   ASSERT_TRUE(ucontext != nullptr);  in SetUcontextLr()
1560   UNUSED(ucontext);  in SetUcontextLr()
1601   ucontext_t ucontext;  in UnwindFromDevice()  local
1605   memset(&ucontext, 0, sizeof(ucontext));  in UnwindFromDevice()
1606   SetUcontextSp(reinterpret_cast<uint64_t>(&ucontext), &ucontext);  in UnwindFromDevice()
1607   SetUcontextPc(device_map_uint, &ucontext);  in UnwindFromDevice()
1608   SetUcontextLr(cur_func_offset, &ucontext);  in UnwindFromDevice()
1610   ASSERT_TRUE(backtrace->Unwind(0, &ucontext));  in UnwindFromDevice()
1616   ASSERT_EQ(reinterpret_cast<uint64_t>(&ucontext), frame->sp);  in UnwindFromDevice()
1619   ASSERT_TRUE(backtrace->Unwind(1, &ucontext));  in UnwindFromDevice()
1624   memset(&ucontext, 0, sizeof(ucontext));  in UnwindFromDevice()
1625   SetUcontextSp(device_map_uint, &ucontext);  in UnwindFromDevice()
1626   SetUcontextPc(cur_func_offset, &ucontext);  in UnwindFromDevice()
1627   SetUcontextLr(cur_func_offset, &ucontext);  in UnwindFromDevice()
1629   ASSERT_TRUE(backtrace->Unwind(0, &ucontext));  in UnwindFromDevice()
1638   ASSERT_TRUE(backtrace->Unwind(1, &ucontext));  in UnwindFromDevice()