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//===-- MemoryRegionInfo.h ---------------------------------------*- C++
//-*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef lldb_MemoryRegionInfo_h
#define lldb_MemoryRegionInfo_h
#include "lldb/Core/RangeMap.h"
#include "llvm/Support/FormatProviders.h"
#include "lldb/Utility/ConstString.h"
namespace lldb_private {
class MemoryRegionInfo {
public:
typedef Range<lldb::addr_t, lldb::addr_t> RangeType;
enum OptionalBool { eDontKnow = -1, eNo = 0, eYes = 1 };
MemoryRegionInfo()
: m_range(), m_read(eDontKnow), m_write(eDontKnow), m_execute(eDontKnow),
m_mapped(eDontKnow), m_flash(eDontKnow), m_blocksize(0) {}
~MemoryRegionInfo() {}
RangeType &GetRange() { return m_range; }
void Clear() {
m_range.Clear();
m_read = m_write = m_execute = eDontKnow;
}
const RangeType &GetRange() const { return m_range; }
OptionalBool GetReadable() const { return m_read; }
OptionalBool GetWritable() const { return m_write; }
OptionalBool GetExecutable() const { return m_execute; }
OptionalBool GetMapped() const { return m_mapped; }
const ConstString &GetName() const { return m_name; }
void SetReadable(OptionalBool val) { m_read = val; }
void SetWritable(OptionalBool val) { m_write = val; }
void SetExecutable(OptionalBool val) { m_execute = val; }
void SetMapped(OptionalBool val) { m_mapped = val; }
void SetName(const char *name) { m_name = ConstString(name); }
OptionalBool GetFlash() const { return m_flash; }
void SetFlash(OptionalBool val) { m_flash = val; }
lldb::offset_t GetBlocksize() const { return m_blocksize; }
void SetBlocksize(lldb::offset_t blocksize) { m_blocksize = blocksize; }
//----------------------------------------------------------------------
// Get permissions as a uint32_t that is a mask of one or more bits from the
// lldb::Permissions
//----------------------------------------------------------------------
uint32_t GetLLDBPermissions() const {
uint32_t permissions = 0;
if (m_read)
permissions |= lldb::ePermissionsReadable;
if (m_write)
permissions |= lldb::ePermissionsWritable;
if (m_execute)
permissions |= lldb::ePermissionsExecutable;
return permissions;
}
//----------------------------------------------------------------------
// Set permissions from a uint32_t that contains one or more bits from the
// lldb::Permissions
//----------------------------------------------------------------------
void SetLLDBPermissions(uint32_t permissions) {
m_read = (permissions & lldb::ePermissionsReadable) ? eYes : eNo;
m_write = (permissions & lldb::ePermissionsWritable) ? eYes : eNo;
m_execute = (permissions & lldb::ePermissionsExecutable) ? eYes : eNo;
}
bool operator==(const MemoryRegionInfo &rhs) const {
return m_range == rhs.m_range && m_read == rhs.m_read &&
m_write == rhs.m_write && m_execute == rhs.m_execute &&
m_mapped == rhs.m_mapped;
}
bool operator!=(const MemoryRegionInfo &rhs) const { return !(*this == rhs); }
protected:
RangeType m_range;
OptionalBool m_read;
OptionalBool m_write;
OptionalBool m_execute;
OptionalBool m_mapped;
ConstString m_name;
OptionalBool m_flash;
lldb::offset_t m_blocksize;
};
inline bool operator<(const MemoryRegionInfo &lhs,
const MemoryRegionInfo &rhs) {
return lhs.GetRange() < rhs.GetRange();
}
inline bool operator<(const MemoryRegionInfo &lhs, lldb::addr_t rhs) {
return lhs.GetRange().GetRangeBase() < rhs;
}
inline bool operator<(lldb::addr_t lhs, const MemoryRegionInfo &rhs) {
return lhs < rhs.GetRange().GetRangeBase();
}
// Forward-declarable wrapper.
class MemoryRegionInfos : public std::vector<lldb_private::MemoryRegionInfo> {
public:
using std::vector<lldb_private::MemoryRegionInfo>::vector;
};
}
namespace llvm {
template <>
struct format_provider<lldb_private::MemoryRegionInfo::OptionalBool> {
static void format(const lldb_private::MemoryRegionInfo::OptionalBool &B,
raw_ostream &OS, StringRef Options) {
switch(B) {
case lldb_private::MemoryRegionInfo::eNo:
OS << "no";
return;
case lldb_private::MemoryRegionInfo::eYes:
OS << "yes";
return;
case lldb_private::MemoryRegionInfo::eDontKnow:
OS << "don't know";
return;
}
}
};
}
#endif // #ifndef lldb_MemoryRegionInfo_h
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