forked from OSchip/llvm-project
117 lines
3.1 KiB
C++
117 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 "NativeBreakpoint.h"
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#include "lldb/lldb-defines.h"
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#include "lldb/Core/Error.h"
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#include "lldb/Core/Log.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),
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m_ref_count (1),
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m_enabled (true)
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{
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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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{
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}
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void
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NativeBreakpoint::AddRef ()
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{
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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 " bumped up, new ref count %" PRIu32, __FUNCTION__, m_addr, m_ref_count);
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}
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int32_t
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NativeBreakpoint::DecRef ()
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{
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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 " ref count decremented, new ref count %" PRIu32, __FUNCTION__, m_addr, m_ref_count);
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return m_ref_count;
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}
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Error
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NativeBreakpoint::Enable ()
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{
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Log *log (GetLogIfAnyCategoriesSet (LIBLLDB_LOG_BREAKPOINTS));
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if (m_enabled)
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{
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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 " already enabled, ignoring.", __FUNCTION__, m_addr);
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return Error ();
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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...", __FUNCTION__, m_addr);
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Error error = DoEnable ();
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if (error.Success ())
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{
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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.", __FUNCTION__, m_addr);
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}
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else
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{
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if (log)
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log->Printf ("NativeBreakpoint::%s addr = 0x%" PRIx64 " enable FAIL: %s", __FUNCTION__, m_addr, error.AsCString ());
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}
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return error;
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}
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Error
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NativeBreakpoint::Disable ()
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{
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Log *log (GetLogIfAnyCategoriesSet (LIBLLDB_LOG_BREAKPOINTS));
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if (!m_enabled)
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{
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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 " already disabled, ignoring.", __FUNCTION__, m_addr);
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return Error ();
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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...", __FUNCTION__, m_addr);
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Error error = DoDisable ();
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if (error.Success ())
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{
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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.", __FUNCTION__, m_addr);
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}
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else
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{
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if (log)
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log->Printf ("NativeBreakpoint::%s addr = 0x%" PRIx64 " disable FAIL: %s", __FUNCTION__, m_addr, error.AsCString ());
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}
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return error;
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}
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