| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include <zircon/syscalls/debug.h> |
| |
| // This provides some utilities for testing that sets of register values |
| // are reported correctly. |
| |
| #if defined(__x86_64__) |
| typedef zx_x86_64_general_regs_t zx_general_regs_t; |
| #define REG_PC rip |
| #define REG_STACK_PTR rsp |
| #elif defined(__aarch64__) |
| typedef zx_arm64_general_regs_t zx_general_regs_t; |
| #define REG_PC pc |
| #define REG_STACK_PTR sp |
| #else |
| # error Unsupported architecture |
| #endif |
| |
| // This initializes the register set with arbitrary test data. |
| void regs_fill_test_values(zx_general_regs_t* regs); |
| |
| // This returns whether the two register sets' values are equal. |
| bool regs_expect_eq(zx_general_regs_t* regs1, zx_general_regs_t* regs2); |
| |
| // This function sets the registers to the state specified by |regs| and |
| // then spins, executing a single-instruction infinite loop whose address |
| // is |spin_address|. |
| void spin_with_regs(zx_general_regs_t* regs); |
| void spin_with_regs_spin_address(void); |
| |
| // This assembly code routine saves the registers into an zx_general_regs_t |
| // pointed to by the stack pointer, and then calls zx_thread_exit(). |
| void save_regs_and_exit_thread(void); |
