forked from OSchip/llvm-project
110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
//===-- NativeBreakpoint.cpp ------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Host/common/NativeBreakpoint.h"
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#include "lldb/Utility/Log.h"
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#include "lldb/Utility/Status.h"
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#include "lldb/lldb-defines.h"
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using namespace lldb_private;
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NativeBreakpoint::NativeBreakpoint(lldb::addr_t addr)
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: m_addr(addr), m_ref_count(1), m_enabled(true) {
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assert(addr != LLDB_INVALID_ADDRESS && "breakpoint set for invalid address");
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}
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NativeBreakpoint::~NativeBreakpoint() {}
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void NativeBreakpoint::AddRef() {
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++m_ref_count;
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
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if (log)
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log->Printf("NativeBreakpoint::%s addr = 0x%" PRIx64
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" bumped up, new ref count %" PRIu32,
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__FUNCTION__, m_addr, m_ref_count);
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}
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int32_t NativeBreakpoint::DecRef() {
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--m_ref_count;
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
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if (log)
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log->Printf("NativeBreakpoint::%s addr = 0x%" PRIx64
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" ref count decremented, new ref count %" PRIu32,
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__FUNCTION__, m_addr, m_ref_count);
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return m_ref_count;
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}
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Status NativeBreakpoint::Enable() {
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
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if (m_enabled) {
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// We're already enabled. Just log and exit.
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if (log)
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log->Printf("NativeBreakpoint::%s addr = 0x%" PRIx64
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" already enabled, ignoring.",
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__FUNCTION__, m_addr);
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return Status();
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}
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// Log and enable.
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if (log)
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log->Printf("NativeBreakpoint::%s addr = 0x%" PRIx64 " enabling...",
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__FUNCTION__, m_addr);
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Status error = DoEnable();
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if (error.Success()) {
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m_enabled = true;
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if (log)
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log->Printf("NativeBreakpoint::%s addr = 0x%" PRIx64 " enable SUCCESS.",
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__FUNCTION__, m_addr);
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} else {
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if (log)
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log->Printf("NativeBreakpoint::%s addr = 0x%" PRIx64 " enable FAIL: %s",
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__FUNCTION__, m_addr, error.AsCString());
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}
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return error;
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}
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Status NativeBreakpoint::Disable() {
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Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_BREAKPOINTS));
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if (!m_enabled) {
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// We're already disabled. Just log and exit.
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if (log)
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log->Printf("NativeBreakpoint::%s addr = 0x%" PRIx64
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" already disabled, ignoring.",
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__FUNCTION__, m_addr);
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return Status();
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}
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// Log and disable.
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if (log)
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log->Printf("NativeBreakpoint::%s addr = 0x%" PRIx64 " disabling...",
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__FUNCTION__, m_addr);
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Status error = DoDisable();
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if (error.Success()) {
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m_enabled = false;
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if (log)
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log->Printf("NativeBreakpoint::%s addr = 0x%" PRIx64 " disable SUCCESS.",
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__FUNCTION__, m_addr);
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} else {
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if (log)
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log->Printf("NativeBreakpoint::%s addr = 0x%" PRIx64 " disable FAIL: %s",
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__FUNCTION__, m_addr, error.AsCString());
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}
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return error;
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}
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