sourcemod/core/sourcemod.cpp

104 lines
2.4 KiB
C++
Raw Normal View History

#include <stdio.h>
#include "sourcemod.h"
#include "sourcemm_api.h"
#include "systems/LibrarySys.h"
#include "vm/sp_vm_engine.h"
#include <sh_string.h>
SourcePawnEngine g_SourcePawn;
SourceModBase g_SourceMod;
ILibrary *g_pJIT = NULL;
SourceHook::String g_BaseDir;
ISourcePawnEngine *g_pSourcePawn = &g_SourcePawn;
IVirtualMachine *g_pVM;
typedef int (*GIVEENGINEPOINTER)(ISourcePawnEngine *);
typedef unsigned int (*GETEXPORTCOUNT)();
typedef IVirtualMachine *(*GETEXPORT)(unsigned int);
typedef void (*NOTIFYSHUTDOWN)();
void ShutdownJIT()
{
NOTIFYSHUTDOWN notify = (NOTIFYSHUTDOWN)g_pJIT->GetSymbolAddress("NotifyShutdown");
if (notify)
{
notify();
}
g_pJIT->CloseLibrary();
}
bool SourceModBase::InitializeSourceMod(char *error, size_t err_max, bool late)
{
//:TODO: we need a localinfo system!
g_BaseDir.assign(g_SMAPI->GetBaseDir());
/* Attempt to load the JIT! */
char file[PLATFORM_MAX_PATH];
char myerror[255];
g_SMAPI->PathFormat(file, sizeof(file), "%s/addons/sourcemod/bin/sourcepawn.jit.x86.%s",
g_BaseDir.c_str(),
PLATFORM_LIB_EXT
);
g_pJIT = g_LibSys.OpenLibrary(file, myerror, sizeof(myerror));
if (!g_pJIT)
{
if (error && err_max)
{
snprintf(error, err_max, "%s (failed to load bin/sourcepawn.jit.x86.%s)",
myerror,
PLATFORM_LIB_EXT);
}
return false;
}
int err;
GIVEENGINEPOINTER jit_init = (GIVEENGINEPOINTER)g_pJIT->GetSymbolAddress("GiveEnginePointer");
if (!jit_init)
{
ShutdownJIT();
if (error && err_max)
{
snprintf(error, err_max, "Failed to find GiveEnginePointer in JIT!");
}
return false;
}
if ((err=jit_init(g_pSourcePawn)) != 0)
{
ShutdownJIT();
if (error && err_max)
{
snprintf(error, err_max, "GiveEnginePointer returned %d in the JIT", err);
}
return false;
}
GETEXPORTCOUNT jit_getnum = (GETEXPORTCOUNT)g_pJIT->GetSymbolAddress("GetExportCount");
GETEXPORT jit_get = (GETEXPORT)g_pJIT->GetSymbolAddress("GetExport");
if (!jit_get)
{
ShutdownJIT();
if (error && err_max)
{
snprintf(error, err_max, "JIT is missing a necessary export!");
}
return false;
}
unsigned int num = jit_getnum();
if (!num || ((g_pVM=jit_get(0)) == NULL))
{
ShutdownJIT();
if (error && err_max)
{
snprintf(error, err_max, "JIT did not export any virtual machines!");
}
return false;
}
return true;
}