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