undefined symbol from my own plugin
All files got included and my class have no dependency on .so or .a, under windows works but under linux it sucks:
Code:
plugin_load addons/plugintemplate_ep2v
failed to dlopen /home/tiago/srcds_l/orangebox/cstrike/addons/plugintemplate_ep2v.so error=/home/tiago/srcds_l/orangebox/cstrike/addons/plugintemplate_ep2v.so: undefined symbol: _ZN11CSigScanLib4LoadEP9KeyValues
Unable to load plugin "addons/plugintemplate_ep2v"
Unable to load plugin "addons/plugintemplate_ep2v"
sigscan.h
PHP Code:
#ifndef LIB_SIGSCAN_H
#define LIB_SIGSCAN_H
//=================================================================================
// Defines
//=================================================================================
#define LIB_SIGSCAN_VERSION "1.0"
#define LIB_SIGSCAN_CLASS CSigScanLib
#define SIGSCAN_ASSERT_FUNCTION(_address, _return) \
if(!pBase) return _return; \
if(!addressName) \
addressName = _address; \
void *pAddr = GetFunction(addressName, GamePlayer); \
if (!pAddr) return _return;
#ifdef WIN32 /* GCC's member function pointers all contain a this pointer adjustor. You'd probably set it to 0 */
#define SIGSCAN_END(o) \
void *addr; } u; u.addr = o;
#else
#define SIGSCAN_END(o) \
struct {void *addr; intptr_t adjustor;} s; } u; u.s.addr = o; u.s.adjustor = 0;
#endif
#define SIGSCAN_0(p, o, r1, r2) \
union { r2(CPlugin_EmptyClass::*mfpnew)(void); \
SIGSCAN_END(o) \
r1 (r2) (reinterpret_cast<CPlugin_EmptyClass*>(p)->*u.mfpnew)();
#define SIGSCAN_1(p, o, r1, r2, t1, v1) \
union { r2(CPlugin_EmptyClass::*mfpnew)(t1); \
SIGSCAN_END(o) \
r1 (r2) (reinterpret_cast<CPlugin_EmptyClass*>(p)->*u.mfpnew)(v1);
#define SIGSCAN_2(p, o, r1, r2, t1, v1, t2, v2) \
union { r2(CPlugin_EmptyClass::*mfpnew)(t1, t2); \
SIGSCAN_END(o) \
r1 (r2) (reinterpret_cast<CPlugin_EmptyClass*>(p)->*u.mfpnew)(v1, v2);
#define SIGSCAN_3(p, o, r1, r2, t1, v1, t2, v2, t3, v3) \
union { r2(CPlugin_EmptyClass::*mfpnew)(t1, t2, t3); \
SIGSCAN_END(o) \
r1 (r2) (reinterpret_cast<CPlugin_EmptyClass*>(p)->*u.mfpnew)(v1, v2, v3);
#define SIGSCAN_4(p, o, r1, r2, t1, v1, t2, v2, t3, v3, t4, v4) \
union { r2(CPlugin_EmptyClass::*mfpnew)(t1, t2, t3, t4); \
SIGSCAN_END(o) \
r1 (r2) (reinterpret_cast<CPlugin_EmptyClass*>(p)->*u.mfpnew)(v1, v2, v3, v4);
#define SIGSCAN_5(p, o, r1, r2, t1, v1, t2, v2, t3, v3, t4, v4, t5, v5) \
union { r2(CPlugin_EmptyClass::*mfpnew)(t1, t2, t3, t4, t5); \
SIGSCAN_END(o) \
r1 (r2) (reinterpret_cast<CPlugin_EmptyClass*>(p)->*u.mfpnew)(v1, v2, v3, v4, v5);
#define SIGSCAN_6(p, o, r1, r2, t1, v1, t2, v2, t3, v3, t4, v4, t5, v5, t6, v6) \
union { r2(CPlugin_EmptyClass::*mfpnew)(t1, t2, t3, t4, t5, t6); \
SIGSCAN_END(o) \
r1 (r2) (reinterpret_cast<CPlugin_EmptyClass*>(p)->*u.mfpnew)(v1, v2, v3, v4, v5, v6);
#define SIGSCAN_7(p, o, r1, r2, t1, v1, t2, v2, t3, v3, t4, v4, t5, v5, t6, v6, t7, v7) \
union { r2(CPlugin_EmptyClass::*mfpnew)(t1, t2, t3, t4, t5, t6, t7); \
SIGSCAN_END(o) \
r1 (r2) (reinterpret_cast<CPlugin_EmptyClass*>(p)->*u.mfpnew)(v1, v2, v3, v4, v5, v6, v7);
#define SIGSCAN_8(p, o, r1, r2, t1, v1, t2, v2, t3, v3, t4, v4, t5, v5, t6, v6, t7, v7, t8, v8) \
union { r2(CPlugin_EmptyClass::*mfpnew)(t1, t2, t3, t4, t5, t6, t7, t8); \
SIGSCAN_END(o) \
r1 (r2) (reinterpret_cast<CPlugin_EmptyClass*>(p)->*u.mfpnew)(v1, v2, v3, v4, v5, v6, v7, v8);
#define SIGSCAN_9(p, o, r1, r2, t1, v1, t2, v2, t3, v3, t4, v4, t5, v5, t6, v6, t7, v7, t8, v8, t9, v9) \
union { r2(CPlugin_EmptyClass::*mfpnew)(t1, t2, t3, t4, t5, t6, t7, t8, t9); \
SIGSCAN_END(o) \
r1 (r2) (reinterpret_cast<CPlugin_EmptyClass*>(p)->*u.mfpnew)(v1, v2, v3, v4, v5, v6, v7, v8, v9);
#define SIGSCAN_10(p, o, r1, r2, t1, v1, t2, v2, t3, v3, t4, v4, t5, v5, t6, v6, t7, v7, t8, v8, t9, v9, t10, v10) \
union { r2(CPlugin_EmptyClass::*mfpnew)(t1, t2, t3, t4, t5, t6, t7, t8, t9, t10); \
SIGSCAN_END(o) \
r1 (r2) (reinterpret_cast<CPlugin_EmptyClass*>(p)->*u.mfpnew)(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10);
#define SIGSCAN_STATIC_0(o, r1, r2) \
typedef r2 (*func)(); \
func thisfunc = (func)o; \
r1 (r2) thisfunc();
#define SIGSCAN_STATIC_1(o, r1, r2, t1, v1) \
typedef r2 (*func)(t1); \
func thisfunc = (func)o; \
r1 (r2) thisfunc(v1);
#define SIGSCAN_STATIC_2(o, r1, r2, t1, v1, t2, v2) \
typedef r2 (*func)(t1, t2); \
func thisfunc = (func)o; \
r1 (r2) thisfunc(v1, v2);
#define SIGSCAN_STATIC_3(o, r1, r2, t1, v1, t2, v2, t3, v3) \
typedef r2 (*func)(t1, t2, t3); \
func thisfunc = (func)o; \
r1 (r2) thisfunc(v1, v2, v3);
#define SIGSCAN_STATIC_4(o, r1, r2, t1, v1, t2, v2, t3, v3, t4, v4) \
typedef r2 (*func)(t1, t2, t3, t4); \
func thisfunc = (func)o; \
r1 (r2) thisfunc(v1, v2, v3, v4);
#define SIGSCAN_STATIC_5(o, r1, r2, t1, v1, t2, v2, t3, v3, t4, v4, t5, v5) \
typedef r2 (*func)(t1, t2, t3, t4, t5); \
func thisfunc = (func)o; \
r1 (r2) thisfunc(v1, v2, v3, v4, v5);
#define SIGSCAN_STATIC_6(o, r1, r2, t1, v1, t2, v2, t3, v3, t4, v4, t5, v5, t6, v6) \
typedef r2 (*func)(t1, t2, t3, t4, t5, t6); \
func thisfunc = (func)o; \
r1 (r2) thisfunc(v1, v2, v3, v4, v5, v6);
#define SIGSCAN_STATIC_7(o, r1, r2, t1, v1, t2, v2, t3, v3, t4, v4, t5, v5, t6, v6, t7, v7) \
typedef r2 (*func)(t1, t2, t3, t4, t5, t6, t7); \
func thisfunc = (func)o; \
r1 (r2) thisfunc(v1, v2, v3, v4, v5, v6, v7);
#define SIGSCAN_STATIC_8(o, r1, r2, t1, v1, t2, v2, t3, v3, t4, v4, t5, v5, t6, v6, t7, v7, t8, v8) \
typedef r2 (*func)(t1, t2, t3, t4, t5, t6, t7, t8); \
func thisfunc = (func)o; \
r1 (r2) thisfunc(v1, v2, v3, v4, v5, v6, v7, v8);
#define SIGSCAN_STATIC_9(o, r1, r2, t1, v1, t2, v2, t3, v3, t4, v4, t5, v5, t6, v6, t7, v7, t8, v8, t9, v9) \
typedef r2 (*func)(t1, t2, t3, t4, t5, t6, t7, t8, t9); \
func thisfunc = (func)o; \
r1 (r2) thisfunc(v1, v2, v3, v4, v5, v6, v7, v8, v9);
#define SIGSCAN_STATIC_10(o, r1, r2, t1, v1, t2, v2, t3, v3, t4, v4, t5, v5, t6, v6, t7, v7, t8, v8, t9, v9, t10, v10) \
typedef r2 (*func)(t1, t2, t3, t4, t5, t6, t7, t8, t9, t10); \
func thisfunc = (func)o; \
r1 (r2) thisfunc(v1, v2, v3, v4, v5, v6, v7, v8, v9, v10);
//=================================================================================
// Class
//=================================================================================
class LIB_SIGSCAN_CLASS
{
public:
// SigsScan Function
struct SigScan_t
{
const char *Name;
const char *Signature; // Windows
const char *Symbol; // Linux
void *pFunction; // Address to function
};
// Load signature configs from a KeyValues file
bool Load(KeyValues *kvSigscan);
// Add signature to list, but never write to file
bool Add(const char *name, const char *signature, const char *symbol, void *pFunction);
// Add or Replace a signature to list, but never write to file
bool AddOrReplace(const char *name, const char *signature, const char *symbol, void *pFunction);
// Replace a signature from list, but never write to file
bool Replace(const char *name, const char *signature, const char *symbol, void *pFunction);
// Remove a signature from list, but never write to file
bool Remove(const char *name);
// Get the index from list of a sigscan stored on the game configs ie. common.txt and cstrike.txt
int GetIndex(const char *name, ...);
// Get the sigscan function address
void *GetFunction(const char *name, ...);
/************************************************************************************
SigScan Functions
*************************************************************************************/
// Get Advanced Effects
ITempEntsSystem *GetTempEnts(const char *addressName /*= "te"*/);
// Switch a player to other team (CSS)
// void SwitchTeam(int team_index);
bool CSSPlayer_SwitchTeam(edict_t *pEntity, int team_index, const char *addressName /*= "CSSPlayer::SwitchTeam"*/);
// Switch a player to other team (CSS)
// void SwitchTeam(int team_index);
bool CSSPlayer_SwitchTeam(CBaseEntity *pBase, int team_index, const char *addressName /*= "CSSPlayer::SwitchTeam"*/);
// Respawn a player (CSS)
// void RoundRespawn(void);
bool CSSPlayer_RoundRespawn(edict_t *pEntity, const char *addressName /*= "CSSPlayer::RoundRespawn"*/);
// Respawn a player (CSS)
// void RoundRespawn(void);
bool CSSPlayer_RoundRespawn(CBaseEntity *pBase, const char *addressName /*= "CSSPlayer::RoundRespawn"*/);
/************************************************************************************
Static Methods
*************************************************************************************/
#ifdef WIN32
static bool GetDllMemInfo(void *pAddr, unsigned char **base_addr, size_t *base_len);
static void *FindSignature(unsigned char *pBaseAddress, size_t baseLength, unsigned char *pSignature);
#endif
// Holds all signatures
// Use only to loop
CUtlVector<SigScan_t> vec_sigscan;
// Current game player
const char *GamePlayer;
};
#endif
sigscan.cpp
PHP Code:
//=================================================================================
// Includes
//=================================================================================
#define NO_INCLUDE_LIBRARIES
#include "includes/default.h"
#include "serverplugin/serverplugin_engine.h"
#include "libs/lib_string.h"
#include "libs/lib_entity.h"
#include "libs/lib_sigscan.h"
//=================================================================================
// Utilities
//=================================================================================
#ifdef WIN32
static unsigned char HexToBin(char hex_char)
{
char upper_char = toupper(hex_char);
return ((upper_char >= '0' && upper_char <= '9') ? upper_char - 48:upper_char - 55);
}
static bool ValidHexChar(char hex_char)
{
char upper_char = toupper(hex_char);
return ((upper_char >= '0' && upper_char <= '9') || (upper_char >= 'A' && upper_char <= 'F'));
}
//=================================================================================
// Functions
//=================================================================================
// Load signature configs from a KeyValues file
bool LIB_SIGSCAN_CLASS::Load(KeyValues *kvSigscan)
{
if(!kvSigscan) return false;
if(kvSigscan->IsEmpty())
{
//kvSigscan->deleteThis();
return true;
}
KeyValues *kvLoop;
#ifdef WIN32
unsigned char *base = 0;
size_t len = 0;
bool success = GetDllMemInfo(VAR_IFACE_GAMESERVERDLL, &base, &len);
if(!success) return false;
#else
#endif
for(kvLoop = kvSigscan->GetFirstSubKey(); kvLoop; kvLoop = kvLoop->GetNextKey())
{
if(kvLoop->GetInt("enable", 1) <= 0) continue; // Not enabled
const char *name = kvLoop->GetName();
if(!name) continue;
const char *signature = kvLoop->GetString("signature", NULL);
const char *symbol = kvLoop->GetString("symbol", NULL);
void *pFunction = NULL;
#ifdef WIN32
if(!signature)
{
DevMsg("[WARNING] SigScan: %s got no signature, skip this\n", name);
continue;
}
pFunction = FindSignature(base, len, (unsigned char *)signature);
if(!pFunction) continue;
AddOrReplace(name, signature, symbol, pFunction);
#else
if(!symbol)
{
DevMsg("[WARNING] SigScan: %s got no symbol, skip this\n", name);
continue;
}
#endif
if(!pFunction) continue;
DevMsg("SigScan: %s got address @ %p\n", name, pFunction);
AddOrReplace(name, signature, symbol, pFunction);
//kvLoop->deleteThis();
}
//kvSigscan->deleteThis();
return true;
}
/// ...
/// ...
dont know why is happening, object is compiled ... |
