llvm-project/llvm/lib/Support/ARMBuildAttrs.cpp

102 lines
4.2 KiB
C++

//===-- ARMBuildAttrs.cpp - ARM Build Attributes --------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/ARMBuildAttributes.h"
using namespace llvm;
namespace {
const struct {
ARMBuildAttrs::AttrType Attr;
StringRef TagName;
} ARMAttributeTags[] = {
{ARMBuildAttrs::File, "Tag_File"},
{ARMBuildAttrs::Section, "Tag_Section"},
{ARMBuildAttrs::Symbol, "Tag_Symbol"},
{ARMBuildAttrs::CPU_raw_name, "Tag_CPU_raw_name"},
{ARMBuildAttrs::CPU_name, "Tag_CPU_name"},
{ARMBuildAttrs::CPU_arch, "Tag_CPU_arch"},
{ARMBuildAttrs::CPU_arch_profile, "Tag_CPU_arch_profile"},
{ARMBuildAttrs::ARM_ISA_use, "Tag_ARM_ISA_use"},
{ARMBuildAttrs::THUMB_ISA_use, "Tag_THUMB_ISA_use"},
{ARMBuildAttrs::FP_arch, "Tag_FP_arch"},
{ARMBuildAttrs::WMMX_arch, "Tag_WMMX_arch"},
{ARMBuildAttrs::Advanced_SIMD_arch, "Tag_Advanced_SIMD_arch"},
{ARMBuildAttrs::MVE_arch, "Tag_MVE_arch"},
{ARMBuildAttrs::PCS_config, "Tag_PCS_config"},
{ARMBuildAttrs::ABI_PCS_R9_use, "Tag_ABI_PCS_R9_use"},
{ARMBuildAttrs::ABI_PCS_RW_data, "Tag_ABI_PCS_RW_data"},
{ARMBuildAttrs::ABI_PCS_RO_data, "Tag_ABI_PCS_RO_data"},
{ARMBuildAttrs::ABI_PCS_GOT_use, "Tag_ABI_PCS_GOT_use"},
{ARMBuildAttrs::ABI_PCS_wchar_t, "Tag_ABI_PCS_wchar_t"},
{ARMBuildAttrs::ABI_FP_rounding, "Tag_ABI_FP_rounding"},
{ARMBuildAttrs::ABI_FP_denormal, "Tag_ABI_FP_denormal"},
{ARMBuildAttrs::ABI_FP_exceptions, "Tag_ABI_FP_exceptions"},
{ARMBuildAttrs::ABI_FP_user_exceptions, "Tag_ABI_FP_user_exceptions"},
{ARMBuildAttrs::ABI_FP_number_model, "Tag_ABI_FP_number_model"},
{ARMBuildAttrs::ABI_align_needed, "Tag_ABI_align_needed"},
{ARMBuildAttrs::ABI_align_preserved, "Tag_ABI_align_preserved"},
{ARMBuildAttrs::ABI_enum_size, "Tag_ABI_enum_size"},
{ARMBuildAttrs::ABI_HardFP_use, "Tag_ABI_HardFP_use"},
{ARMBuildAttrs::ABI_VFP_args, "Tag_ABI_VFP_args"},
{ARMBuildAttrs::ABI_WMMX_args, "Tag_ABI_WMMX_args"},
{ARMBuildAttrs::ABI_optimization_goals, "Tag_ABI_optimization_goals"},
{ARMBuildAttrs::ABI_FP_optimization_goals, "Tag_ABI_FP_optimization_goals"},
{ARMBuildAttrs::compatibility, "Tag_compatibility"},
{ARMBuildAttrs::CPU_unaligned_access, "Tag_CPU_unaligned_access"},
{ARMBuildAttrs::FP_HP_extension, "Tag_FP_HP_extension"},
{ARMBuildAttrs::ABI_FP_16bit_format, "Tag_ABI_FP_16bit_format"},
{ARMBuildAttrs::MPextension_use, "Tag_MPextension_use"},
{ARMBuildAttrs::DIV_use, "Tag_DIV_use"},
{ARMBuildAttrs::DSP_extension, "Tag_DSP_extension"},
{ARMBuildAttrs::nodefaults, "Tag_nodefaults"},
{ARMBuildAttrs::also_compatible_with, "Tag_also_compatible_with"},
{ARMBuildAttrs::T2EE_use, "Tag_T2EE_use"},
{ARMBuildAttrs::conformance, "Tag_conformance"},
{ARMBuildAttrs::Virtualization_use, "Tag_Virtualization_use"},
// Legacy Names
{ARMBuildAttrs::FP_arch, "Tag_VFP_arch"},
{ARMBuildAttrs::FP_HP_extension, "Tag_VFP_HP_extension"},
{ARMBuildAttrs::ABI_align_needed, "Tag_ABI_align8_needed"},
{ARMBuildAttrs::ABI_align_preserved, "Tag_ABI_align8_preserved"},
};
}
namespace llvm {
namespace ARMBuildAttrs {
StringRef AttrTypeAsString(unsigned Attr, bool HasTagPrefix) {
return AttrTypeAsString(static_cast<AttrType>(Attr), HasTagPrefix);
}
StringRef AttrTypeAsString(AttrType Attr, bool HasTagPrefix) {
for (unsigned TI = 0, TE = sizeof(ARMAttributeTags) / sizeof(*ARMAttributeTags);
TI != TE; ++TI)
if (ARMAttributeTags[TI].Attr == Attr) {
auto TagName = ARMAttributeTags[TI].TagName;
return HasTagPrefix ? TagName : TagName.drop_front(4);
}
return "";
}
int AttrTypeFromString(StringRef Tag) {
bool HasTagPrefix = Tag.startswith("Tag_");
for (unsigned TI = 0,
TE = sizeof(ARMAttributeTags) / sizeof(*ARMAttributeTags);
TI != TE; ++TI) {
auto TagName = ARMAttributeTags[TI].TagName;
if (TagName.drop_front(HasTagPrefix ? 0 : 4) == Tag) {
return ARMAttributeTags[TI].Attr;
}
}
return -1;
}
}
}