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//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
//
//
// This file is the interface to NGen (*N*ative code *G*eneration),
// which compiles IL modules to machine code ahead-of-time.
// This avoids the need for JIT compiling the code at program startup.
//
#ifndef _NGEN_H_
#define _NGEN_H_
#include "mscorsvc.h"
// Log size default of 10 MB.
#define DEFAULT_SERVICE_LOG_SIZE (10 * 1024 * 1024)
// NGEN.log is smaller 1MB
#define DEFAULT_MACHINE_WIDE_LOG_SIZE (1 * 1024 * 1024)
// User specific log is yet smaller 200KB
#define DEFAULT_USER_WIDE_LOG_SIZE (200 * 1024)
// Log size default of 100 KB. This should be big enough to hold some log info from roughly 100
// ngen events. (Roughly 200KB of space including secondary log file.)
#define DEFAULT_APPLOCAL_WIDE_LOG_SIZE (100*1024)
#define NGEN_LOG_HEADER_TEXT W("To learn about increasing the verbosity of the NGen log files please see http://go.microsoft.com/fwlink/?linkid=210113\r\n")
// supported debug info types
enum DebugType
{
DT_NIL,
DT_PDB
};
//
// IMPORTANT * IMPORTANT * IMPORTANT * IMPORTANT * IMPORTANT * IMPORTANT
//
// This structure cannot have any fields removed from it!!!
//
// IMPORTANT * IMPORTANT * IMPORTANT * IMPORTANT * IMPORTANT * IMPORTANT
//
// NGening a module invokes the runtime against which the module was built.
// Thus this structure needs to be backwards-compatible.
//
// If additional options need to be added to this structure,
// add them to the end of the structure and make sure you update
// logic throughout the runtime to look at a different size in the dwSize
// field. This is how we'll 'version' this structure.
//
// If you are adding a code-generation flag (like debug or prof), use
// fInstrument as a template (but be sure to add your new flag as the
// last element in the struct).
typedef struct _NGenOptions
{
DWORD dwSize; // Size of the structure. Used to version the structure
// V1
bool fDebug; // Generate debuggable code and debug information
bool fDebugOpt; // Generate debugging information, but optimized code
bool fProf; // Generate instrumented code for profiling (call graphs)
bool fSilent; // Dont spew text output
LPCWSTR lpszExecutableFileName; // Name of the module to ngen
// V2 (Whidbey)
bool fInstrument; // Generate instrumented code for basic-block profiling
// No longer supported
bool fWholeProgram; // Do cross function optimizations (whole program)
// No longer supported
bool fProfInfo; // Embed working set profiling data into the image
LPCWSTR lpszRepositoryDir; // Directory for repository of native images
RepositoryFlags repositoryFlags;
// No longer supported
DebugType dtRequested; // the requested debug type
LPCWSTR lpszDebugDir; // the name of the output debug dir for the above
// No longer supported
bool fNoInstall; // Creates stand alone ngen-images that can be installed in the NIC later
// No longer supported
bool fEmitFixups; // Support for Vulcan
bool fFatHeaders;
// Diagnostic flags
bool fVerbose; // print verbose descriptions of native images
unsigned uStats; // image stats mask
#define LAST_WHIDBEY_NGENOPTION uStats
// V4
bool fNgenLastRetry; // Ngen has previously failed and this is the last retry
// V4.5
bool fAutoNGen; // This is an automatically generated NGen request
// Blue
bool fRepositoryOnly;// Install from repository only, no real NGen
} NGenOptions;
// Function pointer types that we use to dynamically bind to the appropriate runtime version
extern "C" typedef HRESULT STDAPICALLTYPE
NGenCreateZapperAPI(
HANDLE* hZapper,
NGenOptions *options);
typedef NGenCreateZapperAPI *PNGenCreateZapper;
extern "C" typedef HRESULT STDAPICALLTYPE
NGenTryEnumerateFusionCacheAPI(
HANDLE hZapper,
LPCWSTR assemblyName,
bool fPrint,
bool fDelete);
typedef NGenTryEnumerateFusionCacheAPI *PNGenTryEnumerateFusionCache;
// The return type should really be HRESULT.
// However, it is BOOL for backwards-compatibility
extern "C" typedef BOOL STDAPICALLTYPE
NGenCompileAPI(
HANDLE hZapper,
LPCWSTR path);
typedef NGenCompileAPI *PNGenCompile;
extern "C" typedef HRESULT STDAPICALLTYPE
NGenFreeZapperAPI(
HANDLE hZapper);
typedef NGenFreeZapperAPI *PNGenFreeZapper;
class ILocalServerLifetime
{
public:
virtual void AddRefServerProcess() = 0;
virtual void ReleaseServerProcess() = 0;
};
struct ICorSvcLogger;
extern "C" typedef HRESULT STDAPICALLTYPE
NGenCreateNGenWorkerAPI(
ICorSvcWorker **pCorSvcWorker,
ILocalServerLifetime *pLocalServerLifetime,
ICorSvcLogger *pCorSvcLogger
);
typedef NGenCreateNGenWorkerAPI *PNGenCreateNGenWorker;
#endif
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