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|
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*****************************************************************************/
#ifndef _JIT_H_
#define _JIT_H_
/*****************************************************************************/
//
// clr.sln only defines _DEBUG
// The jit uses DEBUG rather than _DEBUG
// So we make sure that _DEBUG implies DEBUG
//
#ifdef _DEBUG
#ifndef DEBUG
#define DEBUG 1
#endif
#endif
// Clang-format messes with the indentation of comments if they directly precede an
// ifdef. This macro allows us to anchor the comments to the regular flow of code.
#define CLANG_FORMAT_COMMENT_ANCHOR ;
// Clang-tidy replaces 0 with nullptr in some templated functions, causing a build
// break. Replacing those instances with ZERO avoids this change
#define ZERO 0
#ifdef _MSC_VER
// These don't seem useful, so turning them off is no big deal
#pragma warning(disable : 4510) // can't generate default constructor
#pragma warning(disable : 4511) // can't generate copy constructor
#pragma warning(disable : 4512) // can't generate assignment constructor
#pragma warning(disable : 4610) // user defined constructor required
#pragma warning(disable : 4211) // nonstandard extention used (char name[0] in structs)
#pragma warning(disable : 4127) // conditional expression constant
#pragma warning(disable : 4201) // "nonstandard extension used : nameless struct/union"
// Depending on the code base, you may want to not disable these
#pragma warning(disable : 4245) // assigning signed / unsigned
#pragma warning(disable : 4146) // unary minus applied to unsigned
#pragma warning(disable : 4100) // unreferenced formal parameter
#pragma warning(disable : 4291) // new operator without delete (only in emitX86.cpp)
#endif
#ifdef _MSC_VER
#define CHECK_STRUCT_PADDING 0 // Set this to '1' to enable warning C4820 "'bytes' bytes padding added after
// construct 'member_name'" on interesting structs/classes
#else
#define CHECK_STRUCT_PADDING 0 // Never enable it for non-MSFT compilers
#endif
#if defined(_X86_)
#if defined(_ARM_)
#error Cannot define both _X86_ and _ARM_
#endif
#if defined(_AMD64_)
#error Cannot define both _X86_ and _AMD64_
#endif
#if defined(_ARM64_)
#error Cannot define both _X86_ and _ARM64_
#endif
#define _HOST_X86_
#elif defined(_AMD64_)
#if defined(_X86_)
#error Cannot define both _AMD64_ and _X86_
#endif
#if defined(_ARM_)
#error Cannot define both _AMD64_ and _ARM_
#endif
#if defined(_ARM64_)
#error Cannot define both _AMD64_ and _ARM64_
#endif
#define _HOST_AMD64_
#elif defined(_ARM_)
#if defined(_X86_)
#error Cannot define both _ARM_ and _X86_
#endif
#if defined(_AMD64_)
#error Cannot define both _ARM_ and _AMD64_
#endif
#if defined(_ARM64_)
#error Cannot define both _ARM_ and _ARM64_
#endif
#define _HOST_ARM_
#elif defined(_ARM64_)
#if defined(_X86_)
#error Cannot define both _ARM64_ and _X86_
#endif
#if defined(_AMD64_)
#error Cannot define both _ARM64_ and _AMD64_
#endif
#if defined(_ARM_)
#error Cannot define both _ARM64_ and _ARM_
#endif
#define _HOST_ARM64_
#else
#error Unsupported or unset host architecture
#endif
#if defined(_HOST_AMD64_) || defined(_HOST_ARM64_)
#define _HOST_64BIT_
#endif
#if defined(_TARGET_X86_)
#if defined(_TARGET_ARM_)
#error Cannot define both _TARGET_X86_ and _TARGET_ARM_
#endif
#if defined(_TARGET_AMD64_)
#error Cannot define both _TARGET_X86_ and _TARGET_AMD64_
#endif
#if defined(_TARGET_ARM64_)
#error Cannot define both _TARGET_X86_ and _TARGET_ARM64_
#endif
#if !defined(_HOST_X86_)
#define _CROSS_COMPILER_
#endif
#elif defined(_TARGET_AMD64_)
#if defined(_TARGET_X86_)
#error Cannot define both _TARGET_AMD64_ and _TARGET_X86_
#endif
#if defined(_TARGET_ARM_)
#error Cannot define both _TARGET_AMD64_ and _TARGET_ARM_
#endif
#if defined(_TARGET_ARM64_)
#error Cannot define both _TARGET_AMD64_ and _TARGET_ARM64_
#endif
#if !defined(_HOST_AMD64_)
#define _CROSS_COMPILER_
#endif
#elif defined(_TARGET_ARM_)
#if defined(_TARGET_X86_)
#error Cannot define both _TARGET_ARM_ and _TARGET_X86_
#endif
#if defined(_TARGET_AMD64_)
#error Cannot define both _TARGET_ARM_ and _TARGET_AMD64_
#endif
#if defined(_TARGET_ARM64_)
#error Cannot define both _TARGET_ARM_ and _TARGET_ARM64_
#endif
#if !defined(_HOST_ARM_)
#define _CROSS_COMPILER_
#endif
#elif defined(_TARGET_ARM64_)
#if defined(_TARGET_X86_)
#error Cannot define both _TARGET_ARM64_ and _TARGET_X86_
#endif
#if defined(_TARGET_AMD64_)
#error Cannot define both _TARGET_ARM64_ and _TARGET_AMD64_
#endif
#if defined(_TARGET_ARM_)
#error Cannot define both _TARGET_ARM64_ and _TARGET_ARM_
#endif
#if !defined(_HOST_ARM64_)
#define _CROSS_COMPILER_
#endif
#else
#error Unsupported or unset target architecture
#endif
#if defined(_TARGET_AMD64_) || defined(_TARGET_ARM64_)
#define _TARGET_64BIT_
#endif
#if defined(_TARGET_X86_) || defined(_TARGET_AMD64_)
#define _TARGET_XARCH_
#endif
#if defined(_TARGET_ARM_) || defined(_TARGET_ARM64_)
#define _TARGET_ARMARCH_
#endif
// --------------------------------------------------------------------------------
// IMAGE_FILE_MACHINE_TARGET
// --------------------------------------------------------------------------------
#if defined(_TARGET_X86_)
#define IMAGE_FILE_MACHINE_TARGET IMAGE_FILE_MACHINE_I386
#elif defined(_TARGET_AMD64_)
#define IMAGE_FILE_MACHINE_TARGET IMAGE_FILE_MACHINE_AMD64
#elif defined(_TARGET_ARM_)
#define IMAGE_FILE_MACHINE_TARGET IMAGE_FILE_MACHINE_ARMNT
#elif defined(_TARGET_ARM64_)
#define IMAGE_FILE_MACHINE_TARGET IMAGE_FILE_MACHINE_ARM64 // 0xAA64
#else
#error Unsupported or unset target architecture
#endif
// Include the AMD64 unwind codes when appropriate.
#if defined(_TARGET_AMD64_)
#include "win64unwind.h"
#endif
// Macros for defining strongly-typed enums. Use as follows:
//
// DECLARE_TYPED_ENUM(FooEnum,BYTE)
// {
// fooTag1, fooTag2
// }
// END_DECLARE_TYPED_ENUM(FooEnum, BYTE)
//
// VC++ understands the syntax to declare these directly, e.g., "enum FooEnum : BYTE",
// but GCC does not, so we use typedefs.
#define DECLARE_TYPED_ENUM(tag, baseType) enum tag : baseType
#define END_DECLARE_TYPED_ENUM(tag, baseType) ;
#include "corhdr.h"
#include "corjit.h"
#define __OPERATOR_NEW_INLINE 1 // indicate that I will define these
#define __PLACEMENT_NEW_INLINE // don't bring in the global placement new, it is easy to make a mistake
// with our new(compiler*) pattern.
#if COR_JIT_EE_VER > 460
#define NO_CLRCONFIG // Don't bring in the usual CLRConfig infrastructure, since the JIT uses the JIT/EE
// interface to retrieve config values.
// This is needed for contract.inl when FEATURE_STACK_PROBE is enabled.
struct CLRConfig
{
static struct ConfigKey
{
} EXTERNAL_NO_SO_NOT_MAINLINE;
static DWORD GetConfigValue(const ConfigKey& key)
{
return 0;
}
};
#endif
#include "utilcode.h" // this defines assert as _ASSERTE
#include "host.h" // this redefines assert for the JIT to use assertAbort
#include "utils.h"
#ifdef DEBUG
#define INDEBUG(x) x
#define INDEBUG_COMMA(x) x,
#define DEBUGARG(x) , x
#else
#define INDEBUG(x)
#define INDEBUG_COMMA(x)
#define DEBUGARG(x)
#endif
#if defined(DEBUG) || defined(LATE_DISASM)
#define INDEBUG_LDISASM_COMMA(x) x,
#else
#define INDEBUG_LDISASM_COMMA(x)
#endif
#if defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)
#define FEATURE_UNIX_AMD64_STRUCT_PASSING_ONLY_ARG(x) , x
#define FEATURE_UNIX_AMD64_STRUCT_PASSING_ONLY(x) x
#else // !defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)
#define FEATURE_UNIX_AMD64_STRUCT_PASSING_ONLY_ARG(x)
#define FEATURE_UNIX_AMD64_STRUCT_PASSING_ONLY(x)
#endif // defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)
#if defined(FEATURE_UNIX_AMD64_STRUCT_PASSING) || (defined(_TARGET_X86_) && !defined(LEGACY_BACKEND))
#define FEATURE_PUT_STRUCT_ARG_STK 1
#define PUT_STRUCT_ARG_STK_ONLY_ARG(x) , x
#define PUT_STRUCT_ARG_STK_ONLY(x) x
#else // !(defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)|| (defined(_TARGET_X86_) && !defined(LEGACY_BACKEND)))
#define PUT_STRUCT_ARG_STK_ONLY_ARG(x)
#define PUT_STRUCT_ARG_STK_ONLY(x)
#endif // !(defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)|| (defined(_TARGET_X86_) && !defined(LEGACY_BACKEND)))
#if defined(UNIX_AMD64_ABI)
#define UNIX_AMD64_ABI_ONLY_ARG(x) , x
#define UNIX_AMD64_ABI_ONLY(x) x
#else // !defined(UNIX_AMD64_ABI)
#define UNIX_AMD64_ABI_ONLY_ARG(x)
#define UNIX_AMD64_ABI_ONLY(x)
#endif // defined(UNIX_AMD64_ABI)
#if defined(UNIX_AMD64_ABI) || defined(_TARGET_ARM64_)
#define MULTIREG_HAS_SECOND_GC_RET 1
#define MULTIREG_HAS_SECOND_GC_RET_ONLY_ARG(x) , x
#define MULTIREG_HAS_SECOND_GC_RET_ONLY(x) x
#else // !defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)
#define MULTIREG_HAS_SECOND_GC_RET 0
#define MULTIREG_HAS_SECOND_GC_RET_ONLY_ARG(x)
#define MULTIREG_HAS_SECOND_GC_RET_ONLY(x)
#endif // defined(FEATURE_UNIX_AMD64_STRUCT_PASSING)
// To get rid of warning 4701 : local variable may be used without being initialized
#define DUMMY_INIT(x) (x)
#define REGEN_SHORTCUTS 0
#define REGEN_CALLPAT 0
/*XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XX XX
XX jit.h XX
XX XX
XX Interface of the JIT with jit.cpp XX
XX XX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
*/
/*****************************************************************************/
#if defined(DEBUG)
#include "log.h"
#define INFO6 LL_INFO10000 // Did Jit or Inline succeeded?
#define INFO7 LL_INFO100000 // NYI stuff
#define INFO8 LL_INFO1000000 // Weird failures
#define INFO9 LL_EVERYTHING // Info about incoming settings
#define INFO10 LL_EVERYTHING // Totally verbose
#endif // DEBUG
typedef class ICorJitInfo* COMP_HANDLE;
const CORINFO_CLASS_HANDLE NO_CLASS_HANDLE = (CORINFO_CLASS_HANDLE) nullptr;
/*****************************************************************************/
inline bool False()
{
return false;
} // Use to disable code while keeping prefast happy
// We define two IL offset types, as follows:
//
// IL_OFFSET: either a distinguished value, or an IL offset.
// IL_OFFSETX: either a distinguished value, or the top two bits are a flags, and the remaining bottom
// bits are a IL offset.
//
// In both cases, the set of legal distinguished values is:
// BAD_IL_OFFSET -- A unique illegal IL offset number. Note that it must be different from
// the ICorDebugInfo values, below, and must also not be a legal IL offset.
// ICorDebugInfo::NO_MAPPING -- The IL offset corresponds to no source code (such as EH step blocks).
// ICorDebugInfo::PROLOG -- The IL offset indicates a prolog
// ICorDebugInfo::EPILOG -- The IL offset indicates an epilog
//
// The IL offset must be in the range [0 .. 0x3fffffff]. This is because we steal
// the top two bits in IL_OFFSETX for flags, but we want the maximum range to be the same
// for both types. The IL value can't be larger than the maximum IL offset of the function
// being compiled.
//
// Blocks and statements never store one of the ICorDebugInfo values, even for IL_OFFSETX types. These are
// only stored in the IPmappingDsc struct, ipmdILoffsx field.
typedef unsigned IL_OFFSET;
const IL_OFFSET BAD_IL_OFFSET = 0x80000000;
const IL_OFFSET MAX_IL_OFFSET = 0x3fffffff;
typedef unsigned IL_OFFSETX; // IL_OFFSET with stack-empty or call-instruction bit
const IL_OFFSETX IL_OFFSETX_STKBIT = 0x80000000; // Note: this bit is set when the stack is NOT empty!
const IL_OFFSETX IL_OFFSETX_CALLINSTRUCTIONBIT = 0x40000000; // Set when the IL offset is for a call instruction.
const IL_OFFSETX IL_OFFSETX_BITS = IL_OFFSETX_STKBIT | IL_OFFSETX_CALLINSTRUCTIONBIT;
IL_OFFSET jitGetILoffs(IL_OFFSETX offsx);
IL_OFFSET jitGetILoffsAny(IL_OFFSETX offsx);
bool jitIsStackEmpty(IL_OFFSETX offsx);
bool jitIsCallInstruction(IL_OFFSETX offsx);
const unsigned BAD_VAR_NUM = UINT_MAX;
// Code can't be more than 2^31 in any direction. This is signed, so it should be used for anything that is
// relative to something else.
typedef int NATIVE_OFFSET;
// This is the same as the above, but it's used in absolute contexts (i.e. offset from the start). Also,
// this is used for native code sizes.
typedef unsigned UNATIVE_OFFSET;
typedef ptrdiff_t ssize_t;
// For the following specially handled FIELD_HANDLES we need
// values that are negative and have the low two bits zero
// See eeFindJitDataOffs and eeGetJitDataOffs in Compiler.hpp
#define FLD_GLOBAL_DS ((CORINFO_FIELD_HANDLE)-4)
#define FLD_GLOBAL_FS ((CORINFO_FIELD_HANDLE)-8)
/*****************************************************************************/
#include "vartype.h"
/*****************************************************************************/
// Debugging support is ON by default. Can be turned OFF by
// adding /DDEBUGGING_SUPPORT=0 on the command line.
#ifndef DEBUGGING_SUPPORT
#define DEBUGGING_SUPPORT
#elif !DEBUGGING_SUPPORT
#undef DEBUGGING_SUPPORT
#endif
/*****************************************************************************/
// Late disassembly is OFF by default. Can be turned ON by
// adding /DLATE_DISASM=1 on the command line.
// Always OFF in the non-debug version
#if defined(LATE_DISASM) && (LATE_DISASM == 0)
#undef LATE_DISASM
#endif
/*****************************************************************************/
/*****************************************************************************/
#define FEATURE_VALNUM_CSE 1 // enable the Value Number CSE optimization logic
// true if Value Number CSE is enabled
#define FEATURE_ANYCSE FEATURE_VALNUM_CSE
#define CSE_INTO_HANDLERS 0
#define CAN_DISABLE_DFA 1 // disable data flow for minopts
#define LARGE_EXPSET 1 // Track 64 or 32 assertions/copies/consts/rangechecks
#define ASSERTION_PROP 1 // Enable value/assertion propagation
#define LOCAL_ASSERTION_PROP ASSERTION_PROP // Enable local assertion propagation
//=============================================================================
#define FANCY_ARRAY_OPT 0 // optimize more complex index checks
//=============================================================================
#define LONG_ASG_OPS 0 // implementation isn't complete yet
//=============================================================================
#define OPT_MULT_ADDSUB 1 // optimize consecutive "lclVar += or -= icon"
#define OPT_BOOL_OPS 1 // optimize boolean operations
//=============================================================================
#define REDUNDANT_LOAD 1 // track locals in regs, suppress loads
#define STACK_PROBES 0 // Support for stack probes
#define DUMP_FLOWGRAPHS DEBUG // Support for creating Xml Flowgraph reports in *.fgx files
#define HANDLER_ENTRY_MUST_BE_IN_HOT_SECTION 1 // if 1 we must have all handler entry points in the Hot code section
/*****************************************************************************/
#define VPTR_OFFS 0 // offset of vtable pointer from obj ptr
/*****************************************************************************/
#define DUMP_GC_TABLES DEBUG
#define VERIFY_GC_TABLES 0
#define REARRANGE_ADDS 1
#define FUNC_INFO_LOGGING 1 // Support dumping function info to a file. In retail, only NYIs, with no function name,
// are dumped.
/*****************************************************************************/
/*****************************************************************************/
/* Set these to 1 to collect and output various statistics about the JIT */
#define CALL_ARG_STATS 0 // Collect stats about calls and call arguments.
#define COUNT_BASIC_BLOCKS 0 // Create a histogram of basic block sizes, and a histogram of IL sizes in the simple
// case of single block methods.
#define COUNT_LOOPS 0 // Collect stats about loops, such as the total number of natural loops, a histogram of
// the number of loop exits, etc.
#define COUNT_RANGECHECKS 0 // Count range checks removed (in lexical CSE?).
#define DATAFLOW_ITER 0 // Count iterations in lexical CSE and constant folding dataflow.
#define DISPLAY_SIZES 0 // Display generated code, data, and GC information sizes.
#define MEASURE_BLOCK_SIZE 0 // Collect stats about basic block and flowList node sizes and memory allocations.
#define MEASURE_FATAL 0 // Count the number of calls to fatal(), including NYIs and noway_asserts.
#define MEASURE_NODE_SIZE 0 // Collect stats about GenTree node allocations.
#define MEASURE_PTRTAB_SIZE 0 // Collect stats about GC pointer table allocations.
#define EMITTER_STATS 0 // Collect stats on the emitter.
#define NODEBASH_STATS 0 // Collect stats on changed gtOper values in GenTree's.
#define COUNT_AST_OPERS 0 // Display use counts for GenTree operators.
#define VERBOSE_SIZES 0 // Always display GC info sizes. If set, DISPLAY_SIZES must also be set.
#define VERBOSE_VERIFY 0 // Dump additional information when verifying code. Useful to debug verification bugs.
#ifdef DEBUG
#define MEASURE_MEM_ALLOC 1 // Collect memory allocation stats.
#define LOOP_HOIST_STATS 1 // Collect loop hoisting stats.
#else
#define MEASURE_MEM_ALLOC 0 // You can set this to 1 to get memory stats in retail, as well
#define LOOP_HOIST_STATS 0 // You can set this to 1 to get loop hoist stats in retail, as well
#endif
/*****************************************************************************/
/* Portability Defines */
/*****************************************************************************/
#ifdef _TARGET_X86_
#define JIT32_GCENCODER
#endif
/*****************************************************************************/
#ifdef DEBUG
/*****************************************************************************/
#define DUMPER
#else // !DEBUG
#if DUMP_GC_TABLES
#pragma message("NOTE: this non-debug build has GC ptr table dumping always enabled!")
const bool dspGCtbls = true;
#endif
/*****************************************************************************/
#endif // !DEBUG
#ifdef DEBUG
void JitDump(const char* pcFormat, ...);
#define JITDUMP(...) \
{ \
if (JitTls::GetCompiler()->verbose) \
JitDump(__VA_ARGS__); \
}
#define JITLOG(x) \
{ \
JitLogEE x; \
}
#define JITLOG_THIS(t, x) \
{ \
(t)->JitLogEE x; \
}
#define DBEXEC(flg, expr) \
if (flg) \
{ \
expr; \
}
#define DISPNODE(t) \
if (JitTls::GetCompiler()->verbose) \
JitTls::GetCompiler()->gtDispTree(t, nullptr, nullptr, true);
#define DISPTREE(t) \
if (JitTls::GetCompiler()->verbose) \
JitTls::GetCompiler()->gtDispTree(t);
#define DISPRANGE(range) \
if (JitTls::GetCompiler()->verbose) \
JitTls::GetCompiler()->gtDispRange(range);
#define DISPTREERANGE(range, t) \
if (JitTls::GetCompiler()->verbose) \
JitTls::GetCompiler()->gtDispTreeRange(range, t);
#define VERBOSE JitTls::GetCompiler()->verbose
#else // !DEBUG
#define JITDUMP(...)
#define JITLOG(x)
#define JITLOG_THIS(t, x)
#define DBEXEC(flg, expr)
#define DISPNODE(t)
#define DISPTREE(t)
#define DISPRANGE(range)
#define DISPTREERANGE(range, t)
#define VERBOSE 0
#endif // !DEBUG
/*****************************************************************************
*
* Double alignment. This aligns ESP to 0 mod 8 in function prolog, then uses ESP
* to reference locals, EBP to reference parameters.
* It only makes sense if frameless method support is on.
* (frameless method support is now always on)
*/
#ifdef _TARGET_X86_
#define DOUBLE_ALIGN 1 // permit the double alignment of ESP in prolog,
// and permit the double alignment of local offsets
#else
#define DOUBLE_ALIGN 0 // no special handling for double alignment
#endif
/*****************************************************************************/
#ifdef DEBUG
extern void _cdecl debugStop(const char* why, ...);
#endif
/*****************************************************************************/
#ifdef DEBUG
struct JitOptions
{
const char* methodName; // Method to display output for
const char* className; // Class to display output for
double CGknob; // Tweakable knob for testing
unsigned testMask; // Tweakable mask for testing
JitOptions* lastDummyField; // Ensures instantiation uses right order of arguments
};
extern JitOptions jitOpts;
/*****************************************************************************
*
* Returns a word filled with the JITs allocator CHK fill value.
*
*/
template <typename T>
inline T UninitializedWord()
{
__int64 word = 0x0101010101010101LL * (JitConfig.JitDefaultFill() & 0xFF);
return (T)word;
}
/*****************************************************************************
*
* Determines whether this value is coming from uninitialized JIT memory
*
*/
template <typename T>
inline bool IsUninitialized(T data)
{
return data == UninitializedWord<T>();
}
#endif // DEBUG
/*****************************************************************************/
enum accessLevel
{
ACL_NONE,
ACL_PRIVATE,
ACL_DEFAULT,
ACL_PROTECTED,
ACL_PUBLIC,
};
/*****************************************************************************/
#define castto(var, typ) (*(typ*)&var)
#define sizeto(typ, mem) (offsetof(typ, mem) + sizeof(((typ*)0)->mem))
/*****************************************************************************/
#ifdef NO_MISALIGNED_ACCESS
#define MISALIGNED_RD_I2(src) (*castto(src, char*) | *castto(src + 1, char*) << 8)
#define MISALIGNED_RD_U2(src) (*castto(src, char*) | *castto(src + 1, char*) << 8)
#define MISALIGNED_WR_I2(dst, val) \
*castto(dst, char*) = val; \
*castto(dst + 1, char*) = val >> 8;
#define MISALIGNED_WR_I4(dst, val) \
*castto(dst, char*) = val; \
*castto(dst + 1, char*) = val >> 8; \
*castto(dst + 2, char*) = val >> 16; \
*castto(dst + 3, char*) = val >> 24;
#else
#define MISALIGNED_RD_I2(src) (*castto(src, short*))
#define MISALIGNED_RD_U2(src) (*castto(src, unsigned short*))
#define MISALIGNED_WR_I2(dst, val) *castto(dst, short*) = val;
#define MISALIGNED_WR_I4(dst, val) *castto(dst, int*) = val;
#define MISALIGNED_WR_ST(dst, val) *castto(dst, ssize_t*) = val;
#endif
/*****************************************************************************/
inline size_t roundUp(size_t size, size_t mult = sizeof(size_t))
{
assert(mult && ((mult & (mult - 1)) == 0)); // power of two test
return (size + (mult - 1)) & ~(mult - 1);
}
inline size_t roundDn(size_t size, size_t mult = sizeof(size_t))
{
assert(mult && ((mult & (mult - 1)) == 0)); // power of two test
return (size) & ~(mult - 1);
}
inline unsigned int unsigned_abs(int x)
{
return ((unsigned int)abs(x));
}
#ifdef _TARGET_64BIT_
inline size_t unsigned_abs(ssize_t x)
{
#ifndef FEATURE_PAL
return ((size_t)abs(x));
#else // !FEATURE_PAL
return ((size_t)labs(x));
#endif // !FEATURE_PAL
}
#endif // _TARGET_64BIT_
/*****************************************************************************/
#if CALL_ARG_STATS || COUNT_BASIC_BLOCKS || COUNT_LOOPS || EMITTER_STATS || MEASURE_NODE_SIZE
class Histogram
{
public:
Histogram(IAllocator* allocator, const unsigned* const sizeTable);
~Histogram();
void dump(FILE* output);
void record(unsigned size);
private:
void ensureAllocated();
IAllocator* m_allocator;
unsigned m_sizeCount;
const unsigned* const m_sizeTable;
unsigned* m_counts;
};
#endif // CALL_ARG_STATS || COUNT_BASIC_BLOCKS || COUNT_LOOPS || EMITTER_STATS || MEASURE_NODE_SIZE
/*****************************************************************************/
#ifdef ICECAP
#include "icapexp.h"
#include "icapctrl.h"
#endif
/*****************************************************************************/
#define SECURITY_CHECK 1
#define VERIFY_IMPORTER 1
/*****************************************************************************/
#if !defined(RELOC_SUPPORT)
#define RELOC_SUPPORT 1
#endif
/*****************************************************************************/
#include "error.h"
/*****************************************************************************/
#if CHECK_STRUCT_PADDING
#pragma warning(push)
#pragma warning(default : 4820) // 'bytes' bytes padding added after construct 'member_name'
#endif // CHECK_STRUCT_PADDING
#include "alloc.h"
#include "target.h"
#if FEATURE_TAILCALL_OPT
#ifdef FEATURE_CORECLR
// CoreCLR - enable tail call opt for the following IL pattern
//
// call someFunc
// jmp/jcc RetBlock
// ...
// RetBlock:
// ret
#define FEATURE_TAILCALL_OPT_SHARED_RETURN 1
#else
// Desktop: Keep this to zero as one of app-compat apps that is using GetCallingAssembly()
// has an issue turning this ON.
//
// Refer to TF: Bug: 824625 and its associated regression TF Bug: 1113265
#define FEATURE_TAILCALL_OPT_SHARED_RETURN 0
#endif // FEATURE_CORECLR
#else // !FEATURE_TAILCALL_OPT
#define FEATURE_TAILCALL_OPT_SHARED_RETURN 0
#endif // !FEATURE_TAILCALL_OPT
#define CLFLG_CODESIZE 0x00001
#define CLFLG_CODESPEED 0x00002
#define CLFLG_CSE 0x00004
#define CLFLG_REGVAR 0x00008
#define CLFLG_RNGCHKOPT 0x00010
#define CLFLG_DEADASGN 0x00020
#define CLFLG_CODEMOTION 0x00040
#define CLFLG_QMARK 0x00080
#define CLFLG_TREETRANS 0x00100
#define CLFLG_INLINING 0x00200
#define CLFLG_CONSTANTFOLD 0x00800
#if FEATURE_STRUCTPROMOTE
#define CLFLG_STRUCTPROMOTE 0x00400
#else
#define CLFLG_STRUCTPROMOTE 0x00000
#endif
#define CLFLG_MAXOPT \
(CLFLG_CSE | CLFLG_REGVAR | CLFLG_RNGCHKOPT | CLFLG_DEADASGN | CLFLG_CODEMOTION | CLFLG_QMARK | CLFLG_TREETRANS | \
CLFLG_INLINING | CLFLG_STRUCTPROMOTE | CLFLG_CONSTANTFOLD)
#define CLFLG_MINOPT (CLFLG_TREETRANS)
#define JIT_RESERVED_STACK 64 // Reserved for arguments of calls and hidden
// pushes for finallys so that we don't
// probe on every call site. See comment in
// for CORINFO_STACKPROBE_DEPTH in corjit.h
/*****************************************************************************/
extern void dumpILBytes(const BYTE* const codeAddr, unsigned codeSize, unsigned alignSize);
extern unsigned dumpSingleInstr(const BYTE* const codeAddr, IL_OFFSET offs, const char* prefix = nullptr);
extern void dumpILRange(const BYTE* const codeAddr, unsigned codeSize); // in bytes
/*****************************************************************************/
extern int jitNativeCode(CORINFO_METHOD_HANDLE methodHnd,
CORINFO_MODULE_HANDLE classHnd,
COMP_HANDLE compHnd,
CORINFO_METHOD_INFO* methodInfo,
void** methodCodePtr,
ULONG* methodCodeSize,
CORJIT_FLAGS* compileFlags,
void* inlineInfoPtr);
#ifdef _HOST_64BIT_
const size_t INVALID_POINTER_VALUE = 0xFEEDFACEABADF00D;
#else
const size_t INVALID_POINTER_VALUE = 0xFEEDFACE;
#endif
// Constants for making sure size_t fit into smaller types.
const size_t MAX_USHORT_SIZE_T = static_cast<size_t>(static_cast<unsigned short>(-1));
const size_t MAX_UNSIGNED_SIZE_T = static_cast<size_t>(static_cast<unsigned>(-1));
// These assume 2's complement...
const int MAX_SHORT_AS_INT = 32767;
const int MIN_SHORT_AS_INT = -32768;
/*****************************************************************************/
enum CompMemKind
{
#define CompMemKindMacro(kind) CMK_##kind,
#include "compmemkind.h"
CMK_Count
};
class Compiler;
class JitTls
{
#ifdef DEBUG
Compiler* m_compiler;
LogEnv m_logEnv;
JitTls* m_next;
#endif
public:
JitTls(ICorJitInfo* jitInfo);
~JitTls();
#ifdef DEBUG
static LogEnv* GetLogEnv();
#endif
static Compiler* GetCompiler();
static void SetCompiler(Compiler* compiler);
};
#if defined(DEBUG)
#include "compiler.h"
template <typename T>
T dspPtr(T p)
{
return (p == ZERO) ? ZERO : (JitTls::GetCompiler()->opts.dspDiffable ? T(0xD1FFAB1E) : p);
}
template <typename T>
T dspOffset(T o)
{
return (o == ZERO) ? ZERO : (JitTls::GetCompiler()->opts.dspDiffable ? T(0xD1FFAB1E) : o);
}
#else // !defined(DEBUG)
template <typename T>
T dspPtr(T p)
{
return p;
}
template <typename T>
T dspOffset(T o)
{
return o;
}
#endif // !defined(DEBUG)
/*****************************************************************************/
#endif //_JIT_H_
/*****************************************************************************/
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