dvander@2193: #include <stdio.h>
dvander@2193: #include <stdlib.h>
dvander@2193: #include <string.h>
dvander@2226: #include <assert.h>
dvander@2193: #include "BaseRuntime.h"
dvander@2193: #include "sp_vm_engine.h"
dvander@2193: #include "x86/jit_x86.h"
dvander@2193: #include "sp_vm_basecontext.h"
dvander@2193: #include "engine2.h"
dvander@2193: 
dvander@2193: using namespace SourcePawn;
dvander@2193: 
dvander@2226: BaseRuntime::BaseRuntime() : m_Debug(&m_plugin), m_pPlugin(&m_plugin), m_pCtx(NULL), 
dvander@2226: m_PubFuncs(NULL), m_PubJitFuncs(NULL), m_pCo(NULL), m_CompSerial(0)
dvander@2193: {
dvander@2226: 	memset(&m_plugin, 0, sizeof(m_plugin));
dvander@2193: 
dvander@2226: 	m_FuncCache = NULL;
dvander@2226: 	m_MaxFuncs = 0;
dvander@2226: 	m_NumFuncs = 0;
dvander@2193: }
dvander@2193: 
dvander@2193: BaseRuntime::~BaseRuntime()
dvander@2193: {
dvander@2226: 	for (uint32_t i = 0; i < m_pPlugin->num_publics; i++)
dvander@2193: 	{
dvander@2193: 		delete m_PubFuncs[i];
dvander@2193: 		m_PubFuncs[i] = NULL;
dvander@2193: 	}
dvander@2193: 	delete [] m_PubFuncs;
dvander@2226: 	delete [] m_PubJitFuncs;
dvander@2193: 
dvander@2226: 	for (unsigned int i = 0; i < m_NumFuncs; i++)
dvander@2226: 	{
dvander@2226: 		delete m_FuncCache[i];
dvander@2226: 	}
dvander@2226: 	free(m_FuncCache);
dvander@2226: 
dvander@2226: 	delete m_pCtx;
dvander@2226: 	delete m_pCo;
dvander@2193: 
dvander@2193: 	free(m_pPlugin->base);
dvander@2193: 	delete [] m_pPlugin->memory;
dvander@2226: 	delete [] m_pPlugin->publics;
dvander@2226: 	delete [] m_pPlugin->pubvars;
dvander@2195: 	delete [] m_pPlugin->natives;
dvander@2226: 	free(m_pPlugin->name);
dvander@2226: }
dvander@2226: 
dvander@2226: static cell_t InvalidNative(IPluginContext *pCtx, const cell_t *params)
dvander@2226: {
dvander@2226: 	return pCtx->ThrowNativeErrorEx(SP_ERROR_INVALID_NATIVE, "Invalid native");
dvander@2193: }
dvander@2193: 
dvander@2226: int BaseRuntime::CreateFromMemory(sp_file_hdr_t *hdr, uint8_t *base)
dvander@2193: {
dvander@2226: 	int set_err;
dvander@2226: 	char *nameptr;
dvander@2226: 	uint8_t sectnum = 0;
dvander@2226: 	sp_plugin_t *plugin = m_pPlugin;
dvander@2226: 	sp_file_section_t *secptr = (sp_file_section_t *)(base + sizeof(sp_file_hdr_t));
dvander@2226: 
dvander@2226: 	memset(plugin, 0, sizeof(sp_plugin_t));
dvander@2226: 
dvander@2226: 	plugin->base = base;
dvander@2226: 	plugin->base_size = hdr->imagesize;
dvander@2226: 	set_err = SP_ERROR_NONE;
dvander@2226: 
dvander@2226: 	/* We have to read the name section first */
dvander@2226: 	for (sectnum = 0; sectnum < hdr->sections; sectnum++)
dvander@2226: 	{
dvander@2226: 		nameptr = (char *)(base + hdr->stringtab + secptr[sectnum].nameoffs);
dvander@2226: 		if (strcmp(nameptr, ".names") == 0)
dvander@2226: 		{
dvander@2226: 			plugin->stringbase = (const char *)(base + secptr[sectnum].dataoffs);
dvander@2226: 			break;
dvander@2226: 		}
dvander@2226: 	}
dvander@2226: 
dvander@2226: 	sectnum = 0;
dvander@2226: 
dvander@2226: 	/* Now read the rest of the sections */
dvander@2226: 	while (sectnum < hdr->sections)
dvander@2226: 	{
dvander@2226: 		nameptr = (char *)(base + hdr->stringtab + secptr->nameoffs);
dvander@2226: 
dvander@2226: 		if (!(plugin->pcode) && !strcmp(nameptr, ".code"))
dvander@2226: 		{
dvander@2226: 			sp_file_code_t *cod = (sp_file_code_t *)(base + secptr->dataoffs);
dvander@2226: 
dvander@2226: 			if (cod->codeversion < SP_CODEVERS_JIT1)
dvander@2226: 			{
dvander@2226: 				return SP_ERROR_CODE_TOO_OLD;
dvander@2226: 			}
dvander@2226: 			else if (cod->codeversion > SP_CODEVERS_JIT2)
dvander@2226: 			{
dvander@2226: 				return SP_ERROR_CODE_TOO_NEW;
dvander@2226: 			}
dvander@2226: 
dvander@2226: 			plugin->pcode = base + secptr->dataoffs + cod->code;
dvander@2226: 			plugin->pcode_size = cod->codesize;
dvander@2226: 			plugin->flags = cod->flags;
dvander@2226: 			plugin->pcode_version = cod->codeversion;
dvander@2226: 		}
dvander@2226: 		else if (!(plugin->data) && !strcmp(nameptr, ".data"))
dvander@2226: 		{
dvander@2226: 			sp_file_data_t *dat = (sp_file_data_t *)(base + secptr->dataoffs);
dvander@2226: 			plugin->data = base + secptr->dataoffs + dat->data;
dvander@2226: 			plugin->data_size = dat->datasize;
dvander@2226: 			plugin->mem_size = dat->memsize;
dvander@2226: 			plugin->memory = new uint8_t[plugin->mem_size];
dvander@2226: 			memcpy(plugin->memory, plugin->data, plugin->data_size);
dvander@2226: 		}
dvander@2226: 		else if ((plugin->publics == NULL) && !strcmp(nameptr, ".publics"))
dvander@2226: 		{
dvander@2226: 			sp_file_publics_t *publics;
dvander@2226: 
dvander@2226: 			publics = (sp_file_publics_t *)(base + secptr->dataoffs);
dvander@2226: 			plugin->num_publics = secptr->size / sizeof(sp_file_publics_t);
dvander@2226: 
dvander@2226: 			if (plugin->num_publics > 0)
dvander@2226: 			{
dvander@2226: 				plugin->publics = new sp_public_t[plugin->num_publics];
dvander@2226: 
dvander@2226: 				for (uint32_t i = 0; i < plugin->num_publics; i++)
dvander@2226: 				{
dvander@2226: 					plugin->publics[i].code_offs = publics[i].address;
dvander@2226: 					plugin->publics[i].funcid = (i << 1) | 1;
dvander@2226: 					plugin->publics[i].name = plugin->stringbase + publics[i].name;
dvander@2226: 				}
dvander@2226: 			}
dvander@2226: 		}
dvander@2226: 		else if ((plugin->pubvars == NULL) && !strcmp(nameptr, ".pubvars"))
dvander@2226: 		{
dvander@2226: 			sp_file_pubvars_t *pubvars;
dvander@2226: 
dvander@2226: 			pubvars = (sp_file_pubvars_t *)(base + secptr->dataoffs);
dvander@2226: 			plugin->num_pubvars = secptr->size / sizeof(sp_file_pubvars_t);
dvander@2226: 
dvander@2226: 			if (plugin->num_pubvars > 0)
dvander@2226: 			{
dvander@2226: 				plugin->pubvars = new sp_pubvar_t[plugin->num_pubvars];
dvander@2226: 
dvander@2226: 				for (uint32_t i = 0; i < plugin->num_pubvars; i++)
dvander@2226: 				{
dvander@2226: 					plugin->pubvars[i].name = plugin->stringbase + pubvars[i].name;
dvander@2226: 					plugin->pubvars[i].offs = (cell_t *)(plugin->memory + pubvars[i].address);
dvander@2226: 				}
dvander@2226: 			}
dvander@2226: 		}
dvander@2226: 		else if ((plugin->natives == NULL) && !strcmp(nameptr, ".natives"))
dvander@2226: 		{
dvander@2226: 			sp_file_natives_t *natives;
dvander@2226: 
dvander@2226: 			natives = (sp_file_natives_t *)(base + secptr->dataoffs);
dvander@2226: 			plugin->num_natives = secptr->size / sizeof(sp_file_natives_t);
dvander@2226: 
dvander@2226: 			if (plugin->num_natives > 0)
dvander@2226: 			{
dvander@2226: 				plugin->natives = new sp_native_t[plugin->num_natives];
dvander@2226: 
dvander@2226: 				for (uint32_t i = 0; i < plugin->num_natives; i++)
dvander@2226: 				{
dvander@2226: 					plugin->natives[i].flags = 0;
dvander@2226: 					plugin->natives[i].pfn = InvalidNative;
dvander@2226: 					plugin->natives[i].status = SP_NATIVE_UNBOUND;
dvander@2226: 					plugin->natives[i].user = NULL;
dvander@2226: 					plugin->natives[i].name = plugin->stringbase + natives[i].name;
dvander@2226: 				}
dvander@2226: 			}
dvander@2226: 		}
dvander@2226: 		else if (!(plugin->debug.files) && !strcmp(nameptr, ".dbg.files"))
dvander@2226: 		{
dvander@2226: 			plugin->debug.files = (sp_fdbg_file_t *)(base + secptr->dataoffs);
dvander@2226: 		}
dvander@2226: 		else if (!(plugin->debug.lines) && !strcmp(nameptr, ".dbg.lines"))
dvander@2226: 		{
dvander@2226: 			plugin->debug.lines = (sp_fdbg_line_t *)(base + secptr->dataoffs);
dvander@2226: 		}
dvander@2226: 		else if (!(plugin->debug.symbols) && !strcmp(nameptr, ".dbg.symbols"))
dvander@2226: 		{
dvander@2226: 			plugin->debug.symbols = (sp_fdbg_symbol_t *)(base + secptr->dataoffs);
dvander@2226: 		}
dvander@2226: 		else if (!(plugin->debug.lines_num) && !strcmp(nameptr, ".dbg.info"))
dvander@2226: 		{
dvander@2226: 			sp_fdbg_info_t *inf = (sp_fdbg_info_t *)(base + secptr->dataoffs);
dvander@2226: 			plugin->debug.files_num = inf->num_files;
dvander@2226: 			plugin->debug.lines_num = inf->num_lines;
dvander@2226: 			plugin->debug.syms_num = inf->num_syms;
dvander@2226: 		}
dvander@2226: 		else if (!(plugin->debug.stringbase) && !strcmp(nameptr, ".dbg.strings"))
dvander@2226: 		{
dvander@2226: 			plugin->debug.stringbase = (const char *)(base + secptr->dataoffs);
dvander@2226: 		}
dvander@2226: 
dvander@2226: 		secptr++;
dvander@2226: 		sectnum++;
dvander@2226: 	}
dvander@2226: 
dvander@2226: 	if (plugin->pcode == NULL || plugin->data == NULL)
dvander@2226: 	{
dvander@2226: 		return SP_ERROR_FILE_FORMAT;
dvander@2226: 	}
dvander@2226: 
dvander@2226: 	if ((plugin->flags & SP_FLAG_DEBUG) && (!(plugin->debug.files) || !(plugin->debug.lines) || !(plugin->debug.symbols)))
dvander@2226: 	{
dvander@2226: 		return SP_ERROR_FILE_FORMAT;
dvander@2226: 	}
dvander@2226: 
dvander@2226: 	if (m_pPlugin->num_publics > 0)
dvander@2226: 	{
dvander@2226: 		m_PubFuncs = new CFunction *[m_pPlugin->num_publics];
dvander@2226: 		memset(m_PubFuncs, 0, sizeof(CFunction *) * m_pPlugin->num_publics);
dvander@2226: 		m_PubJitFuncs = new JitFunction *[m_pPlugin->num_publics];
dvander@2226: 		memset(m_PubJitFuncs, 0, sizeof(JitFunction *) * m_pPlugin->num_publics);
dvander@2226: 	}
dvander@2226: 
dvander@2226: 	m_pPlugin->profiler = g_engine2.GetProfiler();
dvander@2226: 	m_pCtx = new BaseContext(this);
dvander@2226: 	m_pCo = g_Jit.StartCompilation(this);
dvander@2226: 
dvander@2226: 	return SP_ERROR_NONE;
dvander@2193: }
dvander@2193: 
dvander@2193: int BaseRuntime::FindNativeByName(const char *name, uint32_t *index)
dvander@2193: {
dvander@2193: 	int high;
dvander@2193: 
dvander@2226: 	high = m_pPlugin->num_natives - 1;
dvander@2193: 
dvander@2226: 	for (uint32_t i=0; i<m_pPlugin->num_natives; i++)
dvander@2193: 	{
dvander@2193: 		if (strcmp(m_pPlugin->natives[i].name, name) == 0)
dvander@2193: 		{
dvander@2193: 			if (index)
dvander@2193: 			{
dvander@2193: 				*index = i;
dvander@2193: 			}
dvander@2193: 			return SP_ERROR_NONE;
dvander@2193: 		}
dvander@2193: 	}
dvander@2193: 
dvander@2193: 	return SP_ERROR_NOT_FOUND;
dvander@2193: }
dvander@2193: 
dvander@2193: int BaseRuntime::GetNativeByIndex(uint32_t index, sp_native_t **native)
dvander@2193: {
dvander@2226: 	if (index >= m_pPlugin->num_natives)
dvander@2193: 	{
dvander@2193: 		return SP_ERROR_INDEX;
dvander@2193: 	}
dvander@2193: 
dvander@2193: 	if (native)
dvander@2193: 	{
dvander@2193: 		*native = &(m_pPlugin->natives[index]);
dvander@2193: 	}
dvander@2193: 
dvander@2193: 	return SP_ERROR_NONE;
dvander@2193: }
dvander@2193: 
dvander@2193: 
dvander@2193: uint32_t BaseRuntime::GetNativesNum()
dvander@2193: {
dvander@2226: 	return m_pPlugin->num_natives;
dvander@2193: }
dvander@2193: 
dvander@2193: int BaseRuntime::FindPublicByName(const char *name, uint32_t *index)
dvander@2193: {
dvander@2193: 	int diff, high, low;
dvander@2193: 	uint32_t mid;
dvander@2193: 
dvander@2226: 	high = m_pPlugin->num_publics - 1;
dvander@2193: 	low = 0;
dvander@2193: 
dvander@2193: 	while (low <= high)
dvander@2193: 	{
dvander@2193: 		mid = (low + high) / 2;
dvander@2193: 		diff = strcmp(m_pPlugin->publics[mid].name, name);
dvander@2193: 		if (diff == 0)
dvander@2193: 		{
dvander@2193: 			if (index)
dvander@2193: 			{
dvander@2193: 				*index = mid;
dvander@2193: 			}
dvander@2193: 			return SP_ERROR_NONE;
dvander@2193: 		} else if (diff < 0) {
dvander@2193: 			low = mid + 1;
dvander@2193: 		} else {
dvander@2193: 			high = mid - 1;
dvander@2193: 		}
dvander@2193: 	}
dvander@2193: 
dvander@2193: 	return SP_ERROR_NOT_FOUND;
dvander@2193: }
dvander@2193: 
dvander@2193: int BaseRuntime::GetPublicByIndex(uint32_t index, sp_public_t **pblic)
dvander@2193: {
dvander@2226: 	if (index >= m_pPlugin->num_publics)
dvander@2193: 	{
dvander@2193: 		return SP_ERROR_INDEX;
dvander@2193: 	}
dvander@2193: 
dvander@2193: 	if (pblic)
dvander@2193: 	{
dvander@2193: 		*pblic = &(m_pPlugin->publics[index]);
dvander@2193: 	}
dvander@2193: 
dvander@2193: 	return SP_ERROR_NONE;
dvander@2193: }
dvander@2193: 
dvander@2193: uint32_t BaseRuntime::GetPublicsNum()
dvander@2193: {
dvander@2226: 	return m_pPlugin->num_publics;
dvander@2193: }
dvander@2193: 
dvander@2193: int BaseRuntime::GetPubvarByIndex(uint32_t index, sp_pubvar_t **pubvar)
dvander@2193: {
dvander@2226: 	if (index >= m_pPlugin->num_pubvars)
dvander@2193: 	{
dvander@2193: 		return SP_ERROR_INDEX;
dvander@2193: 	}
dvander@2193: 
dvander@2193: 	if (pubvar)
dvander@2193: 	{
dvander@2193: 		*pubvar = &(m_pPlugin->pubvars[index]);
dvander@2193: 	}
dvander@2193: 
dvander@2193: 	return SP_ERROR_NONE;
dvander@2193: }
dvander@2193: 
dvander@2193: int BaseRuntime::FindPubvarByName(const char *name, uint32_t *index)
dvander@2193: {
dvander@2193: 	int diff, high, low;
dvander@2193: 	uint32_t mid;
dvander@2193: 
dvander@2226: 	high = m_pPlugin->num_pubvars - 1;
dvander@2193: 	low = 0;
dvander@2193: 
dvander@2193: 	while (low <= high)
dvander@2193: 	{
dvander@2193: 		mid = (low + high) / 2;
dvander@2193: 		diff = strcmp(m_pPlugin->pubvars[mid].name, name);
dvander@2193: 		if (diff == 0)
dvander@2193: 		{
dvander@2193: 			if (index)
dvander@2193: 			{
dvander@2193: 				*index = mid;
dvander@2193: 			}
dvander@2193: 			return SP_ERROR_NONE;
dvander@2226: 		}
dvander@2226: 		else if (diff < 0)
dvander@2226: 		{
dvander@2193: 			low = mid + 1;
dvander@2226: 		}
dvander@2226: 		else
dvander@2226: 		{
dvander@2193: 			high = mid - 1;
dvander@2193: 		}
dvander@2193: 	}
dvander@2193: 
dvander@2193: 	return SP_ERROR_NOT_FOUND;
dvander@2193: }
dvander@2193: 
dvander@2193: int BaseRuntime::GetPubvarAddrs(uint32_t index, cell_t *local_addr, cell_t **phys_addr)
dvander@2193: {
dvander@2226: 	if (index >= m_pPlugin->num_pubvars)
dvander@2193: 	{
dvander@2193: 		return SP_ERROR_INDEX;
dvander@2193: 	}
dvander@2193: 
dvander@2226: 	*local_addr = (uint8_t *)m_pPlugin->pubvars[index].offs - m_pPlugin->memory;
dvander@2193: 	*phys_addr = m_pPlugin->pubvars[index].offs;
dvander@2193: 
dvander@2193: 	return SP_ERROR_NONE;
dvander@2193: }
dvander@2193: 
dvander@2193: uint32_t BaseRuntime::GetPubVarsNum()
dvander@2193: {
dvander@2226: 	return m_pPlugin->num_pubvars;
dvander@2193: }
dvander@2193: 
dvander@2193: IPluginContext *BaseRuntime::GetDefaultContext()
dvander@2193: {
dvander@2193: 	return m_pCtx;
dvander@2193: }
dvander@2193: 
dvander@2193: IPluginDebugInfo *BaseRuntime::GetDebugInfo()
dvander@2193: {
dvander@2193: 	return &m_Debug;
dvander@2193: }
dvander@2193: 
dvander@2193: IPluginFunction *BaseRuntime::GetFunctionById(funcid_t func_id)
dvander@2193: {
dvander@2193: 	CFunction *pFunc = NULL;
dvander@2193: 
dvander@2193: 	if (func_id & 1)
dvander@2193: 	{
dvander@2193: 		func_id >>= 1;
dvander@2226: 		if (func_id >= m_pPlugin->num_publics)
dvander@2193: 		{
dvander@2193: 			return NULL;
dvander@2193: 		}
dvander@2193: 		pFunc = m_PubFuncs[func_id];
dvander@2193: 		if (!pFunc)
dvander@2193: 		{
dvander@2226: 			m_PubFuncs[func_id] = new CFunction(this, 
dvander@2193: 				(func_id << 1) | 1,
dvander@2193: 				func_id);
dvander@2193: 			pFunc = m_PubFuncs[func_id];
dvander@2193: 		}
dvander@2193: 	}
dvander@2193: 
dvander@2193: 	return pFunc;
dvander@2193: }
dvander@2193: 
dvander@2193: IPluginFunction *BaseRuntime::GetFunctionByName(const char *public_name)
dvander@2193: {
dvander@2193: 	uint32_t index;
dvander@2193: 
dvander@2193: 	if (FindPublicByName(public_name, &index) != SP_ERROR_NONE)
dvander@2193: 	{
dvander@2193: 		return NULL;
dvander@2193: 	}
dvander@2193: 
dvander@2193: 	CFunction *pFunc = m_PubFuncs[index];
dvander@2193: 	if (!pFunc)
dvander@2193: 	{
dvander@2193: 		sp_public_t *pub = NULL;
dvander@2193: 		GetPublicByIndex(index, &pub);
dvander@2193: 		if (pub)
dvander@2193: 		{
dvander@2226: 			m_PubFuncs[index] = new CFunction(this, (index << 1) | 1, index);
dvander@2193: 		}
dvander@2193: 		pFunc = m_PubFuncs[index];
dvander@2193: 	}
dvander@2193: 
dvander@2193: 	return pFunc;
dvander@2193: }
dvander@2193: 
dvander@2193: bool BaseRuntime::IsDebugging()
dvander@2193: {
dvander@2226: 	return true;
dvander@2193: }
dvander@2193: 
dvander@2193: void BaseRuntime::SetPauseState(bool paused)
dvander@2193: {
dvander@2193: 	if (paused)
dvander@2193: 	{
dvander@2193: 		m_pPlugin->run_flags |= SPFLAG_PLUGIN_PAUSED;
dvander@2193: 	}
dvander@2193: 	else
dvander@2193: 	{
dvander@2193: 		m_pPlugin->run_flags &= ~SPFLAG_PLUGIN_PAUSED;
dvander@2193: 	}
dvander@2193: }
dvander@2193: 
dvander@2193: bool BaseRuntime::IsPaused()
dvander@2193: {
dvander@2193: 	return ((m_pPlugin->run_flags & SPFLAG_PLUGIN_PAUSED) == SPFLAG_PLUGIN_PAUSED);
dvander@2193: }
dvander@2193: 
dvander@2193: size_t BaseRuntime::GetMemUsage()
dvander@2193: {
dvander@2193: 	size_t mem = 0;
dvander@2193: 
dvander@2193: 	mem += sizeof(this);
dvander@2193: 	mem += sizeof(sp_plugin_t);
dvander@2193: 	mem += sizeof(BaseContext);
dvander@2193: 	mem += m_pPlugin->base_size;
dvander@2193: 
dvander@2193: 	return mem;
dvander@2193: }
dvander@2193: 
dvander@2193: BaseContext *BaseRuntime::GetBaseContext()
dvander@2193: {
dvander@2193: 	return m_pCtx;
dvander@2193: }
dvander@2193: 
dvander@2226: int BaseRuntime::ApplyCompilationOptions(ICompilation *co)
dvander@2226: {
dvander@2226: 	if (co == NULL)
dvander@2226: 	{
dvander@2226: 		return SP_ERROR_NONE;
dvander@2226: 	}
dvander@2226: 
dvander@2226: 	m_pCo = g_Jit.ApplyOptions(m_pCo, co);
dvander@2226: 
dvander@2226: 	return SP_ERROR_NONE;
dvander@2226: }
dvander@2226: 
dvander@2226: JitFunction *BaseRuntime::GetJittedFunction(uint32_t idx)
dvander@2226: {
dvander@2226: 	assert(idx <= m_NumFuncs);
dvander@2226: 
dvander@2226: 	if (idx == 0 || idx > m_NumFuncs)
dvander@2226: 	{
dvander@2226: 		return NULL;
dvander@2226: 	}
dvander@2226: 
dvander@2226: 	return m_FuncCache[idx - 1];
dvander@2226: }
dvander@2226: 
dvander@2226: uint32_t BaseRuntime::AddJittedFunction(JitFunction *fn)
dvander@2226: {
dvander@2226: 	if (m_NumFuncs + 1 > m_MaxFuncs)
dvander@2226: 	{
dvander@2226: 		if (m_MaxFuncs == 0)
dvander@2226: 		{
dvander@2226: 			m_MaxFuncs = 8;
dvander@2226: 		}
dvander@2226: 		else
dvander@2226: 		{
dvander@2226: 			m_MaxFuncs *= 2;
dvander@2226: 		}
dvander@2226: 
dvander@2226: 		m_FuncCache = (JitFunction **)realloc(
dvander@2226: 			m_FuncCache,
dvander@2226: 			sizeof(JitFunction *) * m_MaxFuncs);
dvander@2226: 	}
dvander@2226: 
dvander@2226: 	m_FuncCache[m_NumFuncs++] = fn;
dvander@2226: 
dvander@2226: 	return m_NumFuncs;
dvander@2226: }