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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.
//
// crosscomp.h - cross-compilation enablement structures.
//
#pragma once
#if defined(_X86_) && defined(_TARGET_ARM_) // Host X86 managing ARM related code
#ifndef CROSS_COMPILE
#define CROSS_COMPILE
#endif
#define ARM_MAX_BREAKPOINTS 8
#define ARM_MAX_WATCHPOINTS 1
#define CONTEXT_UNWOUND_TO_CALL 0x20000000
typedef struct _NEON128 {
ULONGLONG Low;
LONGLONG High;
} NEON128, *PNEON128;
typedef struct DECLSPEC_ALIGN(8) _T_CONTEXT {
//
// Control flags.
//
DWORD ContextFlags;
//
// Integer registers
//
DWORD R0;
DWORD R1;
DWORD R2;
DWORD R3;
DWORD R4;
DWORD R5;
DWORD R6;
DWORD R7;
DWORD R8;
DWORD R9;
DWORD R10;
DWORD R11;
DWORD R12;
//
// Control Registers
//
DWORD Sp;
DWORD Lr;
DWORD Pc;
DWORD Cpsr;
//
// Floating Point/NEON Registers
//
DWORD Fpscr;
DWORD Padding;
union {
NEON128 Q[16];
ULONGLONG D[32];
DWORD S[32];
} DUMMYUNIONNAME;
//
// Debug registers
//
DWORD Bvr[ARM_MAX_BREAKPOINTS];
DWORD Bcr[ARM_MAX_BREAKPOINTS];
DWORD Wvr[ARM_MAX_WATCHPOINTS];
DWORD Wcr[ARM_MAX_WATCHPOINTS];
DWORD Padding2[2];
} T_CONTEXT, *PT_CONTEXT;
//
// Define function table entry - a function table entry is generated for
// each frame function.
//
typedef struct _RUNTIME_FUNCTION {
DWORD BeginAddress;
DWORD UnwindData;
} RUNTIME_FUNCTION, *PRUNTIME_FUNCTION;
//
// Define unwind history table structure.
//
#define UNWIND_HISTORY_TABLE_SIZE 12
typedef struct _UNWIND_HISTORY_TABLE_ENTRY {
DWORD ImageBase;
PRUNTIME_FUNCTION FunctionEntry;
} UNWIND_HISTORY_TABLE_ENTRY, *PUNWIND_HISTORY_TABLE_ENTRY;
typedef struct _UNWIND_HISTORY_TABLE {
DWORD Count;
BYTE LocalHint;
BYTE GlobalHint;
BYTE Search;
BYTE Once;
DWORD LowAddress;
DWORD HighAddress;
UNWIND_HISTORY_TABLE_ENTRY Entry[UNWIND_HISTORY_TABLE_SIZE];
} UNWIND_HISTORY_TABLE, *PUNWIND_HISTORY_TABLE;
//
// Nonvolatile context pointer record.
//
typedef struct _T_KNONVOLATILE_CONTEXT_POINTERS {
PDWORD R4;
PDWORD R5;
PDWORD R6;
PDWORD R7;
PDWORD R8;
PDWORD R9;
PDWORD R10;
PDWORD R11;
PDWORD Lr;
PULONGLONG D8;
PULONGLONG D9;
PULONGLONG D10;
PULONGLONG D11;
PULONGLONG D12;
PULONGLONG D13;
PULONGLONG D14;
PULONGLONG D15;
} T_KNONVOLATILE_CONTEXT_POINTERS, *PT_KNONVOLATILE_CONTEXT_POINTERS;
//
// Define dynamic function table entry.
//
typedef
PRUNTIME_FUNCTION
(*PGET_RUNTIME_FUNCTION_CALLBACK) (
IN DWORD64 ControlPc,
IN PVOID Context
);
typedef struct _T_DISPATCHER_CONTEXT {
ULONG ControlPc;
ULONG ImageBase;
PRUNTIME_FUNCTION FunctionEntry;
ULONG EstablisherFrame;
ULONG TargetPc;
PT_CONTEXT ContextRecord;
PEXCEPTION_ROUTINE LanguageHandler;
PVOID HandlerData;
PUNWIND_HISTORY_TABLE HistoryTable;
ULONG ScopeIndex;
BOOLEAN ControlPcIsUnwound;
PUCHAR NonVolatileRegisters;
} T_DISPATCHER_CONTEXT, *PT_DISPATCHER_CONTEXT;
#define T_RUNTIME_FUNCTION RUNTIME_FUNCTION
#define PT_RUNTIME_FUNCTION PRUNTIME_FUNCTION
#elif defined(_AMD64_) && defined(_TARGET_ARM64_) // Host amd64 managing ARM64 related code
#ifndef CROSS_COMPILE
#define CROSS_COMPILE
#endif
//
// Specify the number of breakpoints and watchpoints that the OS
// will track. Architecturally, ARM64 supports up to 16. In practice,
// however, almost no one implements more than 4 of each.
//
#define ARM64_MAX_BREAKPOINTS 8
#define ARM64_MAX_WATCHPOINTS 2
#define CONTEXT_UNWOUND_TO_CALL 0x20000000
typedef union _NEON128 {
struct {
ULONGLONG Low;
LONGLONG High;
} DUMMYSTRUCTNAME;
double D[2];
float S[4];
WORD H[8];
BYTE B[16];
} NEON128, *PNEON128;
typedef struct DECLSPEC_ALIGN(16) _T_CONTEXT {
//
// Control flags.
//
/* +0x000 */ DWORD ContextFlags;
//
// Integer registers
//
/* +0x004 */ DWORD Cpsr; // NZVF + DAIF + CurrentEL + SPSel
/* +0x008 */ union {
struct {
DWORD64 X0;
DWORD64 X1;
DWORD64 X2;
DWORD64 X3;
DWORD64 X4;
DWORD64 X5;
DWORD64 X6;
DWORD64 X7;
DWORD64 X8;
DWORD64 X9;
DWORD64 X10;
DWORD64 X11;
DWORD64 X12;
DWORD64 X13;
DWORD64 X14;
DWORD64 X15;
DWORD64 X16;
DWORD64 X17;
DWORD64 X18;
DWORD64 X19;
DWORD64 X20;
DWORD64 X21;
DWORD64 X22;
DWORD64 X23;
DWORD64 X24;
DWORD64 X25;
DWORD64 X26;
DWORD64 X27;
DWORD64 X28;
};
DWORD64 X[29];
};
/* +0x0f0 */ DWORD64 Fp;
/* +0x0f8 */ DWORD64 Lr;
/* +0x100 */ DWORD64 Sp;
/* +0x108 */ DWORD64 Pc;
//
// Floating Point/NEON Registers
//
/* +0x110 */ NEON128 V[32];
/* +0x310 */ DWORD Fpcr;
/* +0x314 */ DWORD Fpsr;
//
// Debug registers
//
/* +0x318 */ DWORD Bcr[ARM64_MAX_BREAKPOINTS];
/* +0x338 */ DWORD64 Bvr[ARM64_MAX_BREAKPOINTS];
/* +0x378 */ DWORD Wcr[ARM64_MAX_WATCHPOINTS];
/* +0x380 */ DWORD64 Wvr[ARM64_MAX_WATCHPOINTS];
/* +0x390 */
} T_CONTEXT, *PT_CONTEXT;
// _IMAGE_ARM64_RUNTIME_FUNCTION_ENTRY (see ExternalAPIs\Win9CoreSystem\inc\winnt.h)
typedef struct _T_RUNTIME_FUNCTION {
DWORD BeginAddress;
union {
DWORD UnwindData;
struct {
DWORD Flag : 2;
DWORD FunctionLength : 11;
DWORD RegF : 3;
DWORD RegI : 4;
DWORD H : 1;
DWORD CR : 2;
DWORD FrameSize : 9;
} PackedUnwindData;
} DUMMYUNIONNAME;
} T_RUNTIME_FUNCTION, *PT_RUNTIME_FUNCTION;
//
// Define exception dispatch context structure.
//
typedef struct _T_DISPATCHER_CONTEXT {
DWORD64 ControlPc;
DWORD64 ImageBase;
PT_RUNTIME_FUNCTION FunctionEntry;
DWORD64 EstablisherFrame;
DWORD64 TargetPc;
PCONTEXT ContextRecord;
PEXCEPTION_ROUTINE LanguageHandler;
PVOID HandlerData;
PUNWIND_HISTORY_TABLE HistoryTable;
DWORD ScopeIndex;
BOOLEAN ControlPcIsUnwound;
PBYTE NonVolatileRegisters;
} T_DISPATCHER_CONTEXT, *PT_DISPATCHER_CONTEXT;
//
// Nonvolatile context pointer record.
//
typedef struct _T_KNONVOLATILE_CONTEXT_POINTERS {
PDWORD64 X19;
PDWORD64 X20;
PDWORD64 X21;
PDWORD64 X22;
PDWORD64 X23;
PDWORD64 X24;
PDWORD64 X25;
PDWORD64 X26;
PDWORD64 X27;
PDWORD64 X28;
PDWORD64 Fp;
PDWORD64 Lr;
PDWORD64 D8;
PDWORD64 D9;
PDWORD64 D10;
PDWORD64 D11;
PDWORD64 D12;
PDWORD64 D13;
PDWORD64 D14;
PDWORD64 D15;
} T_KNONVOLATILE_CONTEXT_POINTERS, *PT_KNONVOLATILE_CONTEXT_POINTERS;
#else // !(defined(_X86_) && defined(_TARGET_ARM_)) && !(defined(_AMD64_) && defined(_TARGET_ARM64_))
#define T_CONTEXT CONTEXT
#define PT_CONTEXT PCONTEXT
#define T_DISPATCHER_CONTEXT DISPATCHER_CONTEXT
#define PT_DISPATCHER_CONTEXT PDISPATCHER_CONTEXT
#define T_KNONVOLATILE_CONTEXT_POINTERS KNONVOLATILE_CONTEXT_POINTERS
#define PT_KNONVOLATILE_CONTEXT_POINTERS PKNONVOLATILE_CONTEXT_POINTERS
#define T_RUNTIME_FUNCTION RUNTIME_FUNCTION
#define PT_RUNTIME_FUNCTION PRUNTIME_FUNCTION
#endif
#ifdef CROSSGEN_COMPILE
void CrossGenNotSupported(const char * message);
#endif
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