| // Copyright 2018 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/exception.h> |
| |
| #include "garnet/bin/debug_agent/arch_x64.h" |
| |
| namespace debug_agent { |
| namespace arch { |
| |
| // Helper functions for defining x86 arch dependent behavior. |
| // They are on a separate header/implementation so that it can be more easily |
| // tested. |
| |
| // Returns the state the debug registers should be if we added a execution HW |
| // breakpoint for |address|. |
| // return ZX_ERR_NO_RESOURCES if there are no registers left. |
| zx_status_t SetupDebugBreakpoint(uint64_t address, |
| zx_thread_state_debug_regs_t*); |
| |
| // Removes an installed execution HW breakpoint for |address|. |
| // If the address is not installed, no functional change will happen and |
| // ZX_ERR_OUT_OF_RANGE will be returned. |
| zx_status_t RemoveDebugBreakpoint(uint64_t address, |
| zx_thread_state_debug_regs_t*); |
| |
| // Useful function for debugging to keep around. |
| void PrintDebugRegisters(const zx_thread_state_debug_regs_t&); |
| |
| } // namespace arch |
| } // namespace debug_agent |