1529 static void SetUcontextSp(uint64_t sp, ucontext_t* ucontext) {  in SetUcontextSp()  argument
1531   ucontext->uc_mcontext.arm_sp = sp;  in SetUcontextSp()
1533   ucontext->uc_mcontext.sp = sp;  in SetUcontextSp()
1535   ucontext->uc_mcontext.gregs[REG_ESP] = sp;  in SetUcontextSp()
1537   ucontext->uc_mcontext.gregs[REG_RSP] = sp;  in SetUcontextSp()
1540   UNUSED(ucontext);  in SetUcontextSp()
1545 static void SetUcontextPc(uint64_t pc, ucontext_t* ucontext) {  in SetUcontextPc()  argument
1547   ucontext->uc_mcontext.arm_pc = pc;  in SetUcontextPc()
1549   ucontext->uc_mcontext.pc = pc;  in SetUcontextPc()
1551   ucontext->uc_mcontext.gregs[REG_EIP] = pc;  in SetUcontextPc()
1553   ucontext->uc_mcontext.gregs[REG_RIP] = pc;  in SetUcontextPc()
1556   UNUSED(ucontext);  in SetUcontextPc()
1561 static void SetUcontextLr(uint64_t lr, ucontext_t* ucontext) {  in SetUcontextLr()  argument
1563   ucontext->uc_mcontext.arm_lr = lr;  in SetUcontextLr()
1565   ucontext->uc_mcontext.regs[30] = lr;  in SetUcontextLr()
1569   ASSERT_TRUE(ucontext != nullptr);  in SetUcontextLr()
1573   ASSERT_TRUE(ucontext != nullptr);  in SetUcontextLr()
1576   UNUSED(ucontext);  in SetUcontextLr()
1617   ucontext_t ucontext;  in UnwindFromDevice()  local
1621   memset(&ucontext, 0, sizeof(ucontext));  in UnwindFromDevice()
1622   SetUcontextSp(reinterpret_cast<uint64_t>(&ucontext), &ucontext);  in UnwindFromDevice()
1623   SetUcontextPc(device_map_uint, &ucontext);  in UnwindFromDevice()
1624   SetUcontextLr(cur_func_offset, &ucontext);  in UnwindFromDevice()
1626   ASSERT_TRUE(backtrace->Unwind(0, &ucontext));  in UnwindFromDevice()
1632   ASSERT_EQ(reinterpret_cast<uint64_t>(&ucontext), frame->sp);  in UnwindFromDevice()
1635   ASSERT_TRUE(backtrace->Unwind(1, &ucontext));  in UnwindFromDevice()
1640   memset(&ucontext, 0, sizeof(ucontext));  in UnwindFromDevice()
1641   SetUcontextSp(device_map_uint, &ucontext);  in UnwindFromDevice()
1642   SetUcontextPc(cur_func_offset, &ucontext);  in UnwindFromDevice()
1643   SetUcontextLr(cur_func_offset, &ucontext);  in UnwindFromDevice()
1645   ASSERT_TRUE(backtrace->Unwind(0, &ucontext));  in UnwindFromDevice()
1654   ASSERT_TRUE(backtrace->Unwind(1, &ucontext));  in UnwindFromDevice()