1 //===-- ARMBuildAttrs.cpp - ARM Build Attributes --------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "llvm/ADT/StringRef.h"
10 #include "llvm/Support/ARMBuildAttributes.h"
11 
12 using namespace llvm;
13 
14 namespace {
15 const struct {
16   ARMBuildAttrs::AttrType Attr;
17   StringRef TagName;
18 } ARMAttributeTags[] = {
19     {ARMBuildAttrs::File, "Tag_File"},
20     {ARMBuildAttrs::Section, "Tag_Section"},
21     {ARMBuildAttrs::Symbol, "Tag_Symbol"},
22     {ARMBuildAttrs::CPU_raw_name, "Tag_CPU_raw_name"},
23     {ARMBuildAttrs::CPU_name, "Tag_CPU_name"},
24     {ARMBuildAttrs::CPU_arch, "Tag_CPU_arch"},
25     {ARMBuildAttrs::CPU_arch_profile, "Tag_CPU_arch_profile"},
26     {ARMBuildAttrs::ARM_ISA_use, "Tag_ARM_ISA_use"},
27     {ARMBuildAttrs::THUMB_ISA_use, "Tag_THUMB_ISA_use"},
28     {ARMBuildAttrs::FP_arch, "Tag_FP_arch"},
29     {ARMBuildAttrs::WMMX_arch, "Tag_WMMX_arch"},
30     {ARMBuildAttrs::Advanced_SIMD_arch, "Tag_Advanced_SIMD_arch"},
31     {ARMBuildAttrs::MVE_arch, "Tag_MVE_arch"},
32     {ARMBuildAttrs::PCS_config, "Tag_PCS_config"},
33     {ARMBuildAttrs::ABI_PCS_R9_use, "Tag_ABI_PCS_R9_use"},
34     {ARMBuildAttrs::ABI_PCS_RW_data, "Tag_ABI_PCS_RW_data"},
35     {ARMBuildAttrs::ABI_PCS_RO_data, "Tag_ABI_PCS_RO_data"},
36     {ARMBuildAttrs::ABI_PCS_GOT_use, "Tag_ABI_PCS_GOT_use"},
37     {ARMBuildAttrs::ABI_PCS_wchar_t, "Tag_ABI_PCS_wchar_t"},
38     {ARMBuildAttrs::ABI_FP_rounding, "Tag_ABI_FP_rounding"},
39     {ARMBuildAttrs::ABI_FP_denormal, "Tag_ABI_FP_denormal"},
40     {ARMBuildAttrs::ABI_FP_exceptions, "Tag_ABI_FP_exceptions"},
41     {ARMBuildAttrs::ABI_FP_user_exceptions, "Tag_ABI_FP_user_exceptions"},
42     {ARMBuildAttrs::ABI_FP_number_model, "Tag_ABI_FP_number_model"},
43     {ARMBuildAttrs::ABI_align_needed, "Tag_ABI_align_needed"},
44     {ARMBuildAttrs::ABI_align_preserved, "Tag_ABI_align_preserved"},
45     {ARMBuildAttrs::ABI_enum_size, "Tag_ABI_enum_size"},
46     {ARMBuildAttrs::ABI_HardFP_use, "Tag_ABI_HardFP_use"},
47     {ARMBuildAttrs::ABI_VFP_args, "Tag_ABI_VFP_args"},
48     {ARMBuildAttrs::ABI_WMMX_args, "Tag_ABI_WMMX_args"},
49     {ARMBuildAttrs::ABI_optimization_goals, "Tag_ABI_optimization_goals"},
50     {ARMBuildAttrs::ABI_FP_optimization_goals, "Tag_ABI_FP_optimization_goals"},
51     {ARMBuildAttrs::compatibility, "Tag_compatibility"},
52     {ARMBuildAttrs::CPU_unaligned_access, "Tag_CPU_unaligned_access"},
53     {ARMBuildAttrs::FP_HP_extension, "Tag_FP_HP_extension"},
54     {ARMBuildAttrs::ABI_FP_16bit_format, "Tag_ABI_FP_16bit_format"},
55     {ARMBuildAttrs::MPextension_use, "Tag_MPextension_use"},
56     {ARMBuildAttrs::DIV_use, "Tag_DIV_use"},
57     {ARMBuildAttrs::DSP_extension, "Tag_DSP_extension"},
58     {ARMBuildAttrs::nodefaults, "Tag_nodefaults"},
59     {ARMBuildAttrs::also_compatible_with, "Tag_also_compatible_with"},
60     {ARMBuildAttrs::T2EE_use, "Tag_T2EE_use"},
61     {ARMBuildAttrs::conformance, "Tag_conformance"},
62     {ARMBuildAttrs::Virtualization_use, "Tag_Virtualization_use"},
63 
64     // Legacy Names
65     {ARMBuildAttrs::FP_arch, "Tag_VFP_arch"},
66     {ARMBuildAttrs::FP_HP_extension, "Tag_VFP_HP_extension"},
67     {ARMBuildAttrs::ABI_align_needed, "Tag_ABI_align8_needed"},
68     {ARMBuildAttrs::ABI_align_preserved, "Tag_ABI_align8_preserved"},
69 };
70 }
71 
72 namespace llvm {
73 namespace ARMBuildAttrs {
74 StringRef AttrTypeAsString(unsigned Attr, bool HasTagPrefix) {
75   return AttrTypeAsString(static_cast<AttrType>(Attr), HasTagPrefix);
76 }
77 
78 StringRef AttrTypeAsString(AttrType Attr, bool HasTagPrefix) {
79   for (unsigned TI = 0, TE = sizeof(ARMAttributeTags) / sizeof(*ARMAttributeTags);
80        TI != TE; ++TI)
81     if (ARMAttributeTags[TI].Attr == Attr) {
82       auto TagName = ARMAttributeTags[TI].TagName;
83       return HasTagPrefix ? TagName : TagName.drop_front(4);
84     }
85   return "";
86 }
87 
88 int AttrTypeFromString(StringRef Tag) {
89   bool HasTagPrefix = Tag.startswith("Tag_");
90   for (unsigned TI = 0,
91                 TE = sizeof(ARMAttributeTags) / sizeof(*ARMAttributeTags);
92        TI != TE; ++TI) {
93     auto TagName = ARMAttributeTags[TI].TagName;
94     if (TagName.drop_front(HasTagPrefix ? 0 : 4) == Tag) {
95       return ARMAttributeTags[TI].Attr;
96     }
97   }
98   return -1;
99 }
100 }
101 }
102