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zydis
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added support for custom symbol resolvers

This commit is contained in:
Ende! 2015-02-19 03:22:37 +01:00
parent c672c7a9fc
commit 00512817d2
7 changed files with 78 additions and 13 deletions
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2
Bindings/C/VXDisassemblerC.h
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@ -30,8 +30,6 @@
**************************************************************************************************/
/* NOTE: fully ported to C */
#ifndef _VDE_VXDISASSEMBLERC_H_
#define _VDE_VXDISASSEMBLERC_H_

2
Bindings/C/VXDisassemblerTypesC.h
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@ -30,8 +30,6 @@
**************************************************************************************************/
/* NOTE: fully ported to C */
#ifndef _VDE_VXDISASSEMBLERTYPESC_H_
#define _VDE_VXDISASSEMBLERTYPESC_H_

2
Bindings/C/VXDisassemblerUtilsC.h
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@ -30,8 +30,6 @@
**************************************************************************************************/
/* NOTE: fully ported to C */
#ifndef _VDE_VXDISASSEMBLERUTILSC_H_
#define _VDE_VXDISASSEMBLERUTILSC_H_

2
Bindings/C/VXInstructionDecoderC.h
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@ -30,8 +30,6 @@
**************************************************************************************************/
/* NOTE: fully ported to C */
#ifndef _VDE_VXINSTRUCTIONDECODERC_H_
#define _VDE_VXINSTRUCTIONDECODERC_H_

71
Bindings/C/VXInstructionFormatterC.cpp
View File

@ -100,6 +100,18 @@ inline const Verteron::VXInstructionInfo* VXInstructionInfo_CppPtr(
return reinterpret_cast<const Verteron::VXInstructionInfo*>(ptr);
}
inline VXInstructionInfo* VXInstructionInfo_CPtr(
Verteron::VXInstructionInfo *ptr)
{
return reinterpret_cast<VXInstructionInfo*>(ptr);
}
inline const VXInstructionInfo* VXInstructionInfo_CPtr(
const Verteron::VXInstructionInfo *ptr)
{
return reinterpret_cast<const VXInstructionInfo*>(ptr);
}
inline Verteron::VXBaseInstructionFormatter* VXBaseInstructionFormatter_CppPtr(
VXBaseInstructionFormatterContext *ctx)
{
@ -243,4 +255,63 @@ VXBaseInstructionFormatterContext* VXIntelInstructionFormatter_CreateEx(
VXBaseSymbolResolver_CppPtr(resolver)));
}
/* VXCustomSymbolResolver ====================================================================== */
/* Internal helper class ----------------------------------------------------------------------- */
namespace
{
class VXCustomSymbolResolver : public Verteron::VXBaseSymbolResolver
{
VXResolveSymbol_t m_resolverCb;
void *m_userData;
public:
/**
* @brief Constructor.
* @param resolverCb The resolver callback.
* @param userData User provided pointer to arbitrary data passed to resolve callback.
*/
VXCustomSymbolResolver(VXResolveSymbol_t resolverCb, void *userData);
/**
* @brief Destructor.
*/
~VXCustomSymbolResolver() override = default;
public:
/**
* @brief Resolves a symbol.
* @param info The instruction info.
* @param address The address.
* @param offset Reference to an unsigned 64 bit integer that receives an offset
* relative to the base address of the symbol.
* @return The name of the symbol, if the symbol was found, @c NULL if not.
*/
const char* resolveSymbol(const Verteron::VXInstructionInfo &info, uint64_t address,
uint64_t &offset) override;
};
VXCustomSymbolResolver::VXCustomSymbolResolver(VXResolveSymbol_t resolverCb, void *userData)
: m_resolverCb(resolverCb)
, m_userData(userData)
{
}
const char* VXCustomSymbolResolver::resolveSymbol(
const Verteron::VXInstructionInfo &info, uint64_t address, uint64_t &offset)
{
return m_resolverCb(VXInstructionInfo_CPtr(&info), address, &offset, m_userData);
}
} // anon namespace
/* C API implementation ------------------------------------------------------------------------ */
VXBaseSymbolResolverContext* VXCustomSymbolResolver_Create(
VXResolveSymbol_t resolverCb,
void *userData)
{
return VXBaseSymbolResolver_CPtr(new VXCustomSymbolResolver(resolverCb, userData));
}
/* ============================================================================================= */

10
Bindings/C/VXInstructionFormatterC.h
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@ -77,11 +77,15 @@ void VXExactSymbolResolverContext_Clear(
/* VXCustomSymbolResolver ====================================================================== */
/* TODO: actually implement support for custom resolvers in C binding */
typedef const char* (*VXResolveSymbol_t)(
const VXInstructionInfo *info,
uint64_t address, uint64_t *offset);
uint64_t address,
uint64_t *offset,
void *userData);
VXBaseSymbolResolverContext* VXCustomSymbolResolver_Create(
VXResolveSymbol_t resolverCb,
void *userData);
/* VXBaseInstructionFormatter ================================================================== */

2
Bindings/C/VXOpcodeTableC.h
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@ -30,8 +30,6 @@
**************************************************************************************************/
/* NOTE: fully ported to C */
#ifndef _VDE_VXOPCODETABLEC_H_
#define _VDE_VXOPCODETABLEC_H_