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llvm-mirror/include/llvm/Support/ARMAttributeParser.h
Sjoerd Meijer aa77024491 [ARM] add target arch definitions for 8.1-M and MVE
This adds:
- LLVM subtarget features to make all the new instructions conditional on,
- CPU and FPU names for use on clang's command line, with default FPUs set
  so that "armv8.1-m.main+fp" and "armv8.1-m.main+fp.dp" will select the right
  FPU features,
- architecture extension names "mve" and "mve.fp",
- ABI build attribute support for v8.1-M (a new value for Tag_CPU_arch) and MVE
  (a new actual tag).

Patch mostly by Simon Tatham.

Differential Revision: https://reviews.llvm.org/D60698

llvm-svn: 362090
2019-05-30 12:57:04 +00:00

142 lines
6.1 KiB
C++

//===--- ARMAttributeParser.h - ARM Attribute Information Printer ---------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_ARMATTRIBUTEPARSER_H
#define LLVM_SUPPORT_ARMATTRIBUTEPARSER_H
#include "ARMBuildAttributes.h"
#include "ScopedPrinter.h"
#include <map>
namespace llvm {
class StringRef;
class ARMAttributeParser {
ScopedPrinter *SW;
std::map<unsigned, unsigned> Attributes;
struct DisplayHandler {
ARMBuildAttrs::AttrType Attribute;
void (ARMAttributeParser::*Routine)(ARMBuildAttrs::AttrType,
const uint8_t *, uint32_t &);
};
static const DisplayHandler DisplayRoutines[];
uint64_t ParseInteger(const uint8_t *Data, uint32_t &Offset);
StringRef ParseString(const uint8_t *Data, uint32_t &Offset);
void IntegerAttribute(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void StringAttribute(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void PrintAttribute(unsigned Tag, unsigned Value, StringRef ValueDesc);
void CPU_arch(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void CPU_arch_profile(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ARM_ISA_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void THUMB_ISA_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void FP_arch(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void WMMX_arch(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void Advanced_SIMD_arch(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void MVE_arch(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void PCS_config(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_PCS_R9_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_PCS_RW_data(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_PCS_RO_data(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_PCS_GOT_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_PCS_wchar_t(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_FP_rounding(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_FP_denormal(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_FP_exceptions(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_FP_user_exceptions(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_FP_number_model(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_align_needed(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_align_preserved(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_enum_size(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_HardFP_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_VFP_args(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_WMMX_args(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_optimization_goals(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_FP_optimization_goals(ARMBuildAttrs::AttrType Tag,
const uint8_t *Data, uint32_t &Offset);
void compatibility(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void CPU_unaligned_access(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void FP_HP_extension(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ABI_FP_16bit_format(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void MPextension_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void DIV_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void DSP_extension(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void T2EE_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void Virtualization_use(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void nodefaults(ARMBuildAttrs::AttrType Tag, const uint8_t *Data,
uint32_t &Offset);
void ParseAttributeList(const uint8_t *Data, uint32_t &Offset,
uint32_t Length);
void ParseIndexList(const uint8_t *Data, uint32_t &Offset,
SmallVectorImpl<uint8_t> &IndexList);
void ParseSubsection(const uint8_t *Data, uint32_t Length);
public:
ARMAttributeParser(ScopedPrinter *SW) : SW(SW) {}
ARMAttributeParser() : SW(nullptr) { }
void Parse(ArrayRef<uint8_t> Section, bool isLittle);
bool hasAttribute(unsigned Tag) const {
return Attributes.count(Tag);
}
unsigned getAttributeValue(unsigned Tag) const {
return Attributes.find(Tag)->second;
}
};
}
#endif