* Copyright 2007, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Hugo Santos <hugosantos@gmail.com>
* Ingo Weinhold <bonefish@cs.tu-berlin.de>
*/
#ifndef STRACE_CONTEXT_H
#define STRACE_CONTEXT_H
#include "Syscall.h"
class Context {
public:
enum {
STRINGS = 1 << 0,
ENUMERATIONS = 1 << 1,
SIMPLE_STRUCTS = 1 << 2,
COMPLEX_STRUCTS = 1 << 3,
POINTER_VALUES = 1 << 4,
ALL = 0xffffffff
};
Context(Syscall *sc, char *data, MemoryReader &reader,
uint32 flags, bool decimal)
: fSyscall(sc), fData(data), fReader(reader),
fFlags(flags), fDecimal(decimal) {}
Parameter *GetSibling(int32 index) const {
return fSyscall->ParameterAt(index);
}
const void *GetValue(Parameter *param) const {
return fData + param->Offset();
}
MemoryReader &Reader() { return fReader; }
bool GetContents(uint32 what) const { return fFlags & what; }
string FormatSigned(int64 value, int bytes = 8) const;
string FormatUnsigned(uint64 value) const;
string FormatFlags(uint64 value) const;
string FormatPointer(const void *address) const;
private:
Syscall *fSyscall;
char *fData;
MemoryReader &fReader;
uint32 fFlags;
bool fDecimal;
};
#endif
