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      1 //===-- ARMBuildAttrs.cpp - ARM Build Attributes --------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 #include "llvm/Support/ARMBuildAttributes.h"
     11 #include "llvm/ADT/StringRef.h"
     12 
     13 using namespace llvm;
     14 
     15 namespace {
     16 const struct {
     17   ARMBuildAttrs::AttrType Attr;
     18   const char *TagName;
     19 } ARMAttributeTags[] = {
     20   { ARMBuildAttrs::File, "Tag_File" },
     21   { ARMBuildAttrs::Section, "Tag_Section" },
     22   { ARMBuildAttrs::Symbol, "Tag_Symbol" },
     23   { ARMBuildAttrs::CPU_raw_name, "Tag_CPU_raw_name" },
     24   { ARMBuildAttrs::CPU_name, "Tag_CPU_name" },
     25   { ARMBuildAttrs::CPU_arch, "Tag_CPU_arch" },
     26   { ARMBuildAttrs::CPU_arch_profile, "Tag_CPU_arch_profile" },
     27   { ARMBuildAttrs::ARM_ISA_use, "Tag_ARM_ISA_use" },
     28   { ARMBuildAttrs::THUMB_ISA_use, "Tag_THUMB_ISA_use" },
     29   { ARMBuildAttrs::FP_arch, "Tag_FP_arch" },
     30   { ARMBuildAttrs::WMMX_arch, "Tag_WMMX_arch" },
     31   { ARMBuildAttrs::Advanced_SIMD_arch, "Tag_Advanced_SIMD_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       return ARMAttributeTags[TI].TagName + (HasTagPrefix ? 0 : 4);
     83   return "";
     84 }
     85 
     86 int AttrTypeFromString(StringRef Tag) {
     87   bool HasTagPrefix = Tag.startswith("Tag_");
     88   for (unsigned TI = 0, TE = sizeof(ARMAttributeTags) / sizeof(*ARMAttributeTags);
     89        TI != TE; ++TI)
     90     if (StringRef(ARMAttributeTags[TI].TagName + (HasTagPrefix ? 0 : 4)) == Tag)
     91       return ARMAttributeTags[TI].Attr;
     92   return -1;
     93 }
     94 }
     95 }
     96 
     97