556 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			556 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #include <stdio.h>
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| #include <stdlib.h>
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| #include <string.h>
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| #include <assert.h>
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| #include "BaseRuntime.h"
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| #include "sp_vm_engine.h"
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| #include "x86/jit_x86.h"
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| #include "sp_vm_basecontext.h"
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| #include "engine2.h"
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| 
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| using namespace SourcePawn;
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| 
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| BaseRuntime::BaseRuntime() : m_Debug(&m_plugin), m_pPlugin(&m_plugin), m_pCtx(NULL), 
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| m_PubFuncs(NULL), m_PubJitFuncs(NULL), m_pCo(NULL), m_CompSerial(0)
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| {
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| 	memset(&m_plugin, 0, sizeof(m_plugin));
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| 
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| 	m_FuncCache = NULL;
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| 	m_MaxFuncs = 0;
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| 	m_NumFuncs = 0;
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| }
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| 
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| BaseRuntime::~BaseRuntime()
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| {
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| 	for (uint32_t i = 0; i < m_pPlugin->num_publics; i++)
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| 	{
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| 		delete m_PubFuncs[i];
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| 		m_PubFuncs[i] = NULL;
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| 	}
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| 	delete [] m_PubFuncs;
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| 	delete [] m_PubJitFuncs;
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| 
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| 	for (unsigned int i = 0; i < m_NumFuncs; i++)
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| 	{
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| 		delete m_FuncCache[i];
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| 	}
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| 	free(m_FuncCache);
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| 
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| 	delete m_pCtx;
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| 	if (m_pCo != NULL)
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| 	{
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| 		m_pCo->Abort();
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| 	}
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| 
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| 	free(m_pPlugin->base);
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| 	delete [] m_pPlugin->memory;
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| 	delete [] m_pPlugin->publics;
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| 	delete [] m_pPlugin->pubvars;
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| 	delete [] m_pPlugin->natives;
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| 	free(m_pPlugin->name);
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| }
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| 
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| static cell_t InvalidNative(IPluginContext *pCtx, const cell_t *params)
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| {
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| 	return pCtx->ThrowNativeErrorEx(SP_ERROR_INVALID_NATIVE, "Invalid native");
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| }
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| 
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| int BaseRuntime::CreateFromMemory(sp_file_hdr_t *hdr, uint8_t *base)
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| {
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| 	int set_err;
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| 	char *nameptr;
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| 	uint8_t sectnum = 0;
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| 	sp_plugin_t *plugin = m_pPlugin;
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| 	sp_file_section_t *secptr = (sp_file_section_t *)(base + sizeof(sp_file_hdr_t));
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| 
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| 	memset(plugin, 0, sizeof(sp_plugin_t));
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| 
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| 	plugin->base = base;
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| 	plugin->base_size = hdr->imagesize;
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| 	set_err = SP_ERROR_NONE;
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| 
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| 	if (hdr->version == 0x0101)
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| 	{
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| 		plugin->debug.unpacked = true;
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| 	}
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| 
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| 	/* We have to read the name section first */
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| 	for (sectnum = 0; sectnum < hdr->sections; sectnum++)
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| 	{
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| 		nameptr = (char *)(base + hdr->stringtab + secptr[sectnum].nameoffs);
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| 		if (strcmp(nameptr, ".names") == 0)
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| 		{
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| 			plugin->stringbase = (const char *)(base + secptr[sectnum].dataoffs);
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| 			break;
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| 		}
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| 	}
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| 
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| 	sectnum = 0;
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| 
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| 	/* Now read the rest of the sections */
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| 	while (sectnum < hdr->sections)
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| 	{
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| 		nameptr = (char *)(base + hdr->stringtab + secptr->nameoffs);
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| 
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| 		if (!(plugin->pcode) && !strcmp(nameptr, ".code"))
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| 		{
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| 			sp_file_code_t *cod = (sp_file_code_t *)(base + secptr->dataoffs);
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| 
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| 			if (cod->codeversion < SP_CODEVERS_JIT1)
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| 			{
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| 				return SP_ERROR_CODE_TOO_OLD;
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| 			}
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| 			else if (cod->codeversion > SP_CODEVERS_JIT2)
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| 			{
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| 				return SP_ERROR_CODE_TOO_NEW;
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| 			}
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| 
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| 			plugin->pcode = base + secptr->dataoffs + cod->code;
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| 			plugin->pcode_size = cod->codesize;
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| 			plugin->flags = cod->flags;
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| 			plugin->pcode_version = cod->codeversion;
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| 		}
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| 		else if (!(plugin->data) && !strcmp(nameptr, ".data"))
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| 		{
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| 			sp_file_data_t *dat = (sp_file_data_t *)(base + secptr->dataoffs);
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| 			plugin->data = base + secptr->dataoffs + dat->data;
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| 			plugin->data_size = dat->datasize;
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| 			plugin->mem_size = dat->memsize;
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| 			plugin->memory = new uint8_t[plugin->mem_size];
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| 			memcpy(plugin->memory, plugin->data, plugin->data_size);
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| 		}
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| 		else if ((plugin->publics == NULL) && !strcmp(nameptr, ".publics"))
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| 		{
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| 			sp_file_publics_t *publics;
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| 
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| 			publics = (sp_file_publics_t *)(base + secptr->dataoffs);
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| 			plugin->num_publics = secptr->size / sizeof(sp_file_publics_t);
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| 
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| 			if (plugin->num_publics > 0)
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| 			{
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| 				plugin->publics = new sp_public_t[plugin->num_publics];
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| 
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| 				for (uint32_t i = 0; i < plugin->num_publics; i++)
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| 				{
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| 					plugin->publics[i].code_offs = publics[i].address;
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| 					plugin->publics[i].funcid = (i << 1) | 1;
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| 					plugin->publics[i].name = plugin->stringbase + publics[i].name;
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| 				}
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| 			}
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| 		}
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| 		else if ((plugin->pubvars == NULL) && !strcmp(nameptr, ".pubvars"))
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| 		{
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| 			sp_file_pubvars_t *pubvars;
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| 
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| 			pubvars = (sp_file_pubvars_t *)(base + secptr->dataoffs);
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| 			plugin->num_pubvars = secptr->size / sizeof(sp_file_pubvars_t);
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| 
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| 			if (plugin->num_pubvars > 0)
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| 			{
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| 				plugin->pubvars = new sp_pubvar_t[plugin->num_pubvars];
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| 
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| 				for (uint32_t i = 0; i < plugin->num_pubvars; i++)
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| 				{
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| 					plugin->pubvars[i].name = plugin->stringbase + pubvars[i].name;
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| 					plugin->pubvars[i].offs = (cell_t *)(plugin->memory + pubvars[i].address);
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| 				}
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| 			}
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| 		}
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| 		else if ((plugin->natives == NULL) && !strcmp(nameptr, ".natives"))
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| 		{
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| 			sp_file_natives_t *natives;
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| 
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| 			natives = (sp_file_natives_t *)(base + secptr->dataoffs);
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| 			plugin->num_natives = secptr->size / sizeof(sp_file_natives_t);
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| 
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| 			if (plugin->num_natives > 0)
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| 			{
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| 				plugin->natives = new sp_native_t[plugin->num_natives];
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| 
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| 				for (uint32_t i = 0; i < plugin->num_natives; i++)
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| 				{
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| 					plugin->natives[i].flags = 0;
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| 					plugin->natives[i].pfn = InvalidNative;
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| 					plugin->natives[i].status = SP_NATIVE_UNBOUND;
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| 					plugin->natives[i].user = NULL;
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| 					plugin->natives[i].name = plugin->stringbase + natives[i].name;
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| 				}
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| 			}
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| 		}
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| 		else if (!(plugin->debug.files) && !strcmp(nameptr, ".dbg.files"))
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| 		{
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| 			plugin->debug.files = (sp_fdbg_file_t *)(base + secptr->dataoffs);
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| 		}
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| 		else if (!(plugin->debug.lines) && !strcmp(nameptr, ".dbg.lines"))
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| 		{
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| 			plugin->debug.lines = (sp_fdbg_line_t *)(base + secptr->dataoffs);
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| 		}
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| 		else if (!(plugin->debug.symbols) && !strcmp(nameptr, ".dbg.symbols"))
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| 		{
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| 			plugin->debug.symbols = (sp_fdbg_symbol_t *)(base + secptr->dataoffs);
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| 		}
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| 		else if (!(plugin->debug.lines_num) && !strcmp(nameptr, ".dbg.info"))
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| 		{
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| 			sp_fdbg_info_t *inf = (sp_fdbg_info_t *)(base + secptr->dataoffs);
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| 			plugin->debug.files_num = inf->num_files;
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| 			plugin->debug.lines_num = inf->num_lines;
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| 			plugin->debug.syms_num = inf->num_syms;
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| 		}
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| 		else if (!(plugin->debug.stringbase) && !strcmp(nameptr, ".dbg.strings"))
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| 		{
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| 			plugin->debug.stringbase = (const char *)(base + secptr->dataoffs);
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| 		}
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| 		else if (strcmp(nameptr, ".dbg.natives") == 0)
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| 		{
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| 			plugin->debug.unpacked = false;
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| 		}
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| 
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| 		secptr++;
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| 		sectnum++;
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| 	}
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| 
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| 	if (plugin->pcode == NULL || plugin->data == NULL)
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| 	{
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| 		return SP_ERROR_FILE_FORMAT;
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| 	}
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| 
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| 	if ((plugin->flags & SP_FLAG_DEBUG) && (!(plugin->debug.files) || !(plugin->debug.lines) || !(plugin->debug.symbols)))
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| 	{
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| 		return SP_ERROR_FILE_FORMAT;
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| 	}
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| 
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| 	if (m_pPlugin->num_publics > 0)
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| 	{
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| 		m_PubFuncs = new CFunction *[m_pPlugin->num_publics];
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| 		memset(m_PubFuncs, 0, sizeof(CFunction *) * m_pPlugin->num_publics);
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| 		m_PubJitFuncs = new JitFunction *[m_pPlugin->num_publics];
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| 		memset(m_PubJitFuncs, 0, sizeof(JitFunction *) * m_pPlugin->num_publics);
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| 	}
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| 
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| 	m_pPlugin->profiler = g_engine2.GetProfiler();
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| 	m_pCtx = new BaseContext(this);
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| 	m_pCo = g_Jit.StartCompilation(this);
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| 
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| 	return SP_ERROR_NONE;
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| }
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| 
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| int BaseRuntime::FindNativeByName(const char *name, uint32_t *index)
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| {
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| 	int high;
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| 
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| 	high = m_pPlugin->num_natives - 1;
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| 
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| 	for (uint32_t i=0; i<m_pPlugin->num_natives; i++)
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| 	{
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| 		if (strcmp(m_pPlugin->natives[i].name, name) == 0)
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| 		{
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| 			if (index)
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| 			{
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| 				*index = i;
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| 			}
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| 			return SP_ERROR_NONE;
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| 		}
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| 	}
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| 
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| 	return SP_ERROR_NOT_FOUND;
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| }
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| 
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| int BaseRuntime::GetNativeByIndex(uint32_t index, sp_native_t **native)
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| {
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| 	if (index >= m_pPlugin->num_natives)
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| 	{
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| 		return SP_ERROR_INDEX;
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| 	}
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| 
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| 	if (native)
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| 	{
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| 		*native = &(m_pPlugin->natives[index]);
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| 	}
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| 
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| 	return SP_ERROR_NONE;
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| }
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| 
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| 
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| uint32_t BaseRuntime::GetNativesNum()
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| {
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| 	return m_pPlugin->num_natives;
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| }
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| 
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| int BaseRuntime::FindPublicByName(const char *name, uint32_t *index)
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| {
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| 	int diff, high, low;
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| 	uint32_t mid;
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| 
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| 	high = m_pPlugin->num_publics - 1;
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| 	low = 0;
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| 
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| 	while (low <= high)
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| 	{
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| 		mid = (low + high) / 2;
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| 		diff = strcmp(m_pPlugin->publics[mid].name, name);
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| 		if (diff == 0)
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| 		{
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| 			if (index)
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| 			{
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| 				*index = mid;
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| 			}
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| 			return SP_ERROR_NONE;
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| 		} else if (diff < 0) {
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| 			low = mid + 1;
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| 		} else {
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| 			high = mid - 1;
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| 		}
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| 	}
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| 
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| 	return SP_ERROR_NOT_FOUND;
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| }
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| 
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| int BaseRuntime::GetPublicByIndex(uint32_t index, sp_public_t **pblic)
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| {
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| 	if (index >= m_pPlugin->num_publics)
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| 	{
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| 		return SP_ERROR_INDEX;
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| 	}
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| 
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| 	if (pblic)
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| 	{
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| 		*pblic = &(m_pPlugin->publics[index]);
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| 	}
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| 
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| 	return SP_ERROR_NONE;
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| }
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| 
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| uint32_t BaseRuntime::GetPublicsNum()
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| {
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| 	return m_pPlugin->num_publics;
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| }
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| 
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| int BaseRuntime::GetPubvarByIndex(uint32_t index, sp_pubvar_t **pubvar)
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| {
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| 	if (index >= m_pPlugin->num_pubvars)
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| 	{
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| 		return SP_ERROR_INDEX;
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| 	}
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| 
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| 	if (pubvar)
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| 	{
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| 		*pubvar = &(m_pPlugin->pubvars[index]);
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| 	}
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| 
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| 	return SP_ERROR_NONE;
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| }
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| 
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| int BaseRuntime::FindPubvarByName(const char *name, uint32_t *index)
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| {
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| 	int diff, high, low;
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| 	uint32_t mid;
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| 
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| 	high = m_pPlugin->num_pubvars - 1;
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| 	low = 0;
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| 
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| 	while (low <= high)
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| 	{
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| 		mid = (low + high) / 2;
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| 		diff = strcmp(m_pPlugin->pubvars[mid].name, name);
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| 		if (diff == 0)
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| 		{
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| 			if (index)
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| 			{
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| 				*index = mid;
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| 			}
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| 			return SP_ERROR_NONE;
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| 		}
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| 		else if (diff < 0)
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| 		{
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| 			low = mid + 1;
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| 		}
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| 		else
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| 		{
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| 			high = mid - 1;
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| 		}
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| 	}
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| 
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| 	return SP_ERROR_NOT_FOUND;
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| }
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| 
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| int BaseRuntime::GetPubvarAddrs(uint32_t index, cell_t *local_addr, cell_t **phys_addr)
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| {
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| 	if (index >= m_pPlugin->num_pubvars)
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| 	{
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| 		return SP_ERROR_INDEX;
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| 	}
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| 
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| 	*local_addr = (uint8_t *)m_pPlugin->pubvars[index].offs - m_pPlugin->memory;
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| 	*phys_addr = m_pPlugin->pubvars[index].offs;
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| 
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| 	return SP_ERROR_NONE;
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| }
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| 
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| uint32_t BaseRuntime::GetPubVarsNum()
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| {
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| 	return m_pPlugin->num_pubvars;
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| }
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| 
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| IPluginContext *BaseRuntime::GetDefaultContext()
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| {
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| 	return m_pCtx;
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| }
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| 
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| IPluginDebugInfo *BaseRuntime::GetDebugInfo()
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| {
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| 	return &m_Debug;
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| }
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| 
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| IPluginFunction *BaseRuntime::GetFunctionById(funcid_t func_id)
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| {
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| 	CFunction *pFunc = NULL;
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| 
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| 	if (func_id & 1)
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| 	{
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| 		func_id >>= 1;
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| 		if (func_id >= m_pPlugin->num_publics)
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| 		{
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| 			return NULL;
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| 		}
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| 		pFunc = m_PubFuncs[func_id];
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| 		if (!pFunc)
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| 		{
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| 			m_PubFuncs[func_id] = new CFunction(this, 
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| 				(func_id << 1) | 1,
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| 				func_id);
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| 			pFunc = m_PubFuncs[func_id];
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| 		}
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| 	}
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| 
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| 	return pFunc;
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| }
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| 
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| IPluginFunction *BaseRuntime::GetFunctionByName(const char *public_name)
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| {
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| 	uint32_t index;
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| 
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| 	if (FindPublicByName(public_name, &index) != SP_ERROR_NONE)
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| 	{
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| 		return NULL;
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| 	}
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| 
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| 	CFunction *pFunc = m_PubFuncs[index];
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| 	if (!pFunc)
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| 	{
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| 		sp_public_t *pub = NULL;
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| 		GetPublicByIndex(index, &pub);
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| 		if (pub)
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| 		{
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| 			m_PubFuncs[index] = new CFunction(this, (index << 1) | 1, index);
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| 		}
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| 		pFunc = m_PubFuncs[index];
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| 	}
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| 
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| 	return pFunc;
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| }
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| 
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| bool BaseRuntime::IsDebugging()
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| {
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| 	return true;
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| }
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| 
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| void BaseRuntime::SetPauseState(bool paused)
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| {
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| 	if (paused)
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| 	{
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| 		m_pPlugin->run_flags |= SPFLAG_PLUGIN_PAUSED;
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| 	}
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| 	else
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| 	{
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| 		m_pPlugin->run_flags &= ~SPFLAG_PLUGIN_PAUSED;
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| 	}
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| }
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| 
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| bool BaseRuntime::IsPaused()
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| {
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| 	return ((m_pPlugin->run_flags & SPFLAG_PLUGIN_PAUSED) == SPFLAG_PLUGIN_PAUSED);
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| }
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| 
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| size_t BaseRuntime::GetMemUsage()
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| {
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| 	size_t mem = 0;
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| 
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| 	mem += sizeof(this);
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| 	mem += sizeof(sp_plugin_t);
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| 	mem += sizeof(BaseContext);
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| 	mem += m_pPlugin->base_size;
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| 
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| 	return mem;
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| }
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| 
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| BaseContext *BaseRuntime::GetBaseContext()
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| {
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| 	return m_pCtx;
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| }
 | |
| 
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| int BaseRuntime::ApplyCompilationOptions(ICompilation *co)
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| {
 | |
| 	if (co == NULL)
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| 	{
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| 		return SP_ERROR_NONE;
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| 	}
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| 
 | |
| 	m_pCo = g_Jit.ApplyOptions(m_pCo, co);
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| 	m_pPlugin->prof_flags = ((CompData *)m_pCo)->profile;
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| 
 | |
| 	return SP_ERROR_NONE;
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| }
 | |
| 
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| JitFunction *BaseRuntime::GetJittedFunction(uint32_t idx)
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| {
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| 	assert(idx <= m_NumFuncs);
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| 
 | |
| 	if (idx == 0 || idx > m_NumFuncs)
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| 	{
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| 		return NULL;
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| 	}
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| 
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| 	return m_FuncCache[idx - 1];
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| }
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| 
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| uint32_t BaseRuntime::AddJittedFunction(JitFunction *fn)
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| {
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| 	if (m_NumFuncs + 1 > m_MaxFuncs)
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| 	{
 | |
| 		if (m_MaxFuncs == 0)
 | |
| 		{
 | |
| 			m_MaxFuncs = 8;
 | |
| 		}
 | |
| 		else
 | |
| 		{
 | |
| 			m_MaxFuncs *= 2;
 | |
| 		}
 | |
| 
 | |
| 		m_FuncCache = (JitFunction **)realloc(
 | |
| 			m_FuncCache,
 | |
| 			sizeof(JitFunction *) * m_MaxFuncs);
 | |
| 	}
 | |
| 
 | |
| 	m_FuncCache[m_NumFuncs++] = fn;
 | |
| 
 | |
| 	return m_NumFuncs;
 | |
| }
 | |
| 
 | |
| int BaseRuntime::CreateBlank(uint32_t heastk)
 | |
| {
 | |
| 	memset(m_pPlugin, 0, sizeof(sp_plugin_t));
 | |
| 
 | |
| 	/* Align to cell_t bytes */
 | |
| 	heastk += sizeof(cell_t);
 | |
| 	heastk -= heastk % sizeof(cell_t);
 | |
| 
 | |
| 	m_pPlugin->mem_size = heastk;
 | |
| 	m_pPlugin->memory = new uint8_t[heastk];
 | |
| 
 | |
| 	m_pPlugin->profiler = g_engine2.GetProfiler();
 | |
| 	m_pCtx = new BaseContext(this);
 | |
| 	m_pCo = g_Jit.StartCompilation(this);
 | |
| 
 | |
| 	return SP_ERROR_NONE;
 | |
| }
 |