mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-19 02:52:53 +02:00
ae65e281f3
to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
134 lines
3.7 KiB
C++
134 lines
3.7 KiB
C++
//===--- ARMEHABI.h - ARM Exception Handling ABI ----------------*- C++ -*-===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines the constants for the ARM unwind opcodes and exception
|
|
// handling table entry kinds.
|
|
//
|
|
// The enumerations and constants in this file reflect the ARM EHABI
|
|
// Specification as published by ARM.
|
|
//
|
|
// Exception Handling ABI for the ARM Architecture r2.09 - November 30, 2012
|
|
//
|
|
// http://infocenter.arm.com/help/topic/com.arm.doc.ihi0038a/IHI0038A_ehabi.pdf
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_SUPPORT_ARMEHABI_H
|
|
#define LLVM_SUPPORT_ARMEHABI_H
|
|
|
|
namespace llvm {
|
|
namespace ARM {
|
|
namespace EHABI {
|
|
/// ARM exception handling table entry kinds
|
|
enum EHTEntryKind {
|
|
EHT_GENERIC = 0x00,
|
|
EHT_COMPACT = 0x80
|
|
};
|
|
|
|
enum {
|
|
/// Special entry for the function never unwind
|
|
EXIDX_CANTUNWIND = 0x1
|
|
};
|
|
|
|
/// ARM-defined frame unwinding opcodes
|
|
enum UnwindOpcodes {
|
|
// Format: 00xxxxxx
|
|
// Purpose: vsp = vsp + ((x << 2) + 4)
|
|
UNWIND_OPCODE_INC_VSP = 0x00,
|
|
|
|
// Format: 01xxxxxx
|
|
// Purpose: vsp = vsp - ((x << 2) + 4)
|
|
UNWIND_OPCODE_DEC_VSP = 0x40,
|
|
|
|
// Format: 10000000 00000000
|
|
// Purpose: refuse to unwind
|
|
UNWIND_OPCODE_REFUSE = 0x8000,
|
|
|
|
// Format: 1000xxxx xxxxxxxx
|
|
// Purpose: pop r[15:12], r[11:4]
|
|
// Constraint: x != 0
|
|
UNWIND_OPCODE_POP_REG_MASK_R4 = 0x8000,
|
|
|
|
// Format: 1001xxxx
|
|
// Purpose: vsp = r[x]
|
|
// Constraint: x != 13 && x != 15
|
|
UNWIND_OPCODE_SET_VSP = 0x90,
|
|
|
|
// Format: 10100xxx
|
|
// Purpose: pop r[(4+x):4]
|
|
UNWIND_OPCODE_POP_REG_RANGE_R4 = 0xa0,
|
|
|
|
// Format: 10101xxx
|
|
// Purpose: pop r14, r[(4+x):4]
|
|
UNWIND_OPCODE_POP_REG_RANGE_R4_R14 = 0xa8,
|
|
|
|
// Format: 10110000
|
|
// Purpose: finish
|
|
UNWIND_OPCODE_FINISH = 0xb0,
|
|
|
|
// Format: 10110001 0000xxxx
|
|
// Purpose: pop r[3:0]
|
|
// Constraint: x != 0
|
|
UNWIND_OPCODE_POP_REG_MASK = 0xb100,
|
|
|
|
// Format: 10110010 x(uleb128)
|
|
// Purpose: vsp = vsp + ((x << 2) + 0x204)
|
|
UNWIND_OPCODE_INC_VSP_ULEB128 = 0xb2,
|
|
|
|
// Format: 10110011 xxxxyyyy
|
|
// Purpose: pop d[(x+y):x]
|
|
UNWIND_OPCODE_POP_VFP_REG_RANGE_FSTMFDX = 0xb300,
|
|
|
|
// Format: 10111xxx
|
|
// Purpose: pop d[(8+x):8]
|
|
UNWIND_OPCODE_POP_VFP_REG_RANGE_FSTMFDX_D8 = 0xb8,
|
|
|
|
// Format: 11000xxx
|
|
// Purpose: pop wR[(10+x):10]
|
|
UNWIND_OPCODE_POP_WIRELESS_MMX_REG_RANGE_WR10 = 0xc0,
|
|
|
|
// Format: 11000110 xxxxyyyy
|
|
// Purpose: pop wR[(x+y):x]
|
|
UNWIND_OPCODE_POP_WIRELESS_MMX_REG_RANGE = 0xc600,
|
|
|
|
// Format: 11000111 0000xxxx
|
|
// Purpose: pop wCGR[3:0]
|
|
// Constraint: x != 0
|
|
UNWIND_OPCODE_POP_WIRELESS_MMX_REG_MASK = 0xc700,
|
|
|
|
// Format: 11001000 xxxxyyyy
|
|
// Purpose: pop d[(16+x+y):(16+x)]
|
|
UNWIND_OPCODE_POP_VFP_REG_RANGE_FSTMFDD_D16 = 0xc800,
|
|
|
|
// Format: 11001001 xxxxyyyy
|
|
// Purpose: pop d[(x+y):x]
|
|
UNWIND_OPCODE_POP_VFP_REG_RANGE_FSTMFDD = 0xc900,
|
|
|
|
// Format: 11010xxx
|
|
// Purpose: pop d[(8+x):8]
|
|
UNWIND_OPCODE_POP_VFP_REG_RANGE_FSTMFDD_D8 = 0xd0
|
|
};
|
|
|
|
/// ARM-defined Personality Routine Index
|
|
enum PersonalityRoutineIndex {
|
|
// To make the exception handling table become more compact, ARM defined
|
|
// several personality routines in EHABI. There are 3 different
|
|
// personality routines in ARM EHABI currently. It is possible to have 16
|
|
// pre-defined personality routines at most.
|
|
AEABI_UNWIND_CPP_PR0 = 0,
|
|
AEABI_UNWIND_CPP_PR1 = 1,
|
|
AEABI_UNWIND_CPP_PR2 = 2,
|
|
|
|
NUM_PERSONALITY_INDEX
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|