17242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci//===-- ARMBuildAttributes.h - ARM Build Attributes -------------*- C++ -*-===// 27242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// 37242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// The LLVM Compiler Infrastructure 47242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// 57242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// This file is distributed under the University of Illinois Open Source 67242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// License. See LICENSE.TXT for details. 77242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// 87242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci//===----------------------------------------------------------------------===// 97242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// 107242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// This file contains enumerations and support routines for ARM build attributes 117242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// as defined in ARM ABI addenda document (ABI release 2.08). 127242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// 137242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// ELF for the ARM Architecture r2.09 - November 30, 2012 147242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// 157242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// http://infocenter.arm.com/help/topic/com.arm.doc.ihi0044e/IHI0044E_aaelf.pdf 167242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// 177242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci//===----------------------------------------------------------------------===// 187242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 197242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci#ifndef LLVM_SUPPORT_ARM_BUILD_ATTRIBUTES_H 207242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci#define LLVM_SUPPORT_ARM_BUILD_ATTRIBUTES_H 217242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 227242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccinamespace llvm { 237242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucciclass StringRef; 247242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 257242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccinamespace ARMBuildAttrs { 267242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 277242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccienum SpecialAttr { 287242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci // This is for the .cpu asm attr. It translates into one or more 297242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci // AttrType (below) entries in the .ARM.attributes section in the ELF. 307242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci SEL_CPU 317242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci}; 327242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 337242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccienum AttrType { 347242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci // Rest correspond to ELF/.ARM.attributes 357242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci File = 1, 367242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci CPU_raw_name = 4, 377242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci CPU_name = 5, 387242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci CPU_arch = 6, 397242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci CPU_arch_profile = 7, 407242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ARM_ISA_use = 8, 417242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci THUMB_ISA_use = 9, 427242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci FP_arch = 10, 437242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci WMMX_arch = 11, 447242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci Advanced_SIMD_arch = 12, 457242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci PCS_config = 13, 467242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_PCS_R9_use = 14, 477242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_PCS_RW_data = 15, 487242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_PCS_RO_data = 16, 497242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_PCS_GOT_use = 17, 507242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_PCS_wchar_t = 18, 517242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_FP_rounding = 19, 527242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_FP_denormal = 20, 537242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_FP_exceptions = 21, 547242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_FP_user_exceptions = 22, 557242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_FP_number_model = 23, 567242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_align_needed = 24, 577242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_align_preserved = 25, 587242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_enum_size = 26, 597242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_HardFP_use = 27, 607242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_VFP_args = 28, 617242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_WMMX_args = 29, 627242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_optimization_goals = 30, 637242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_FP_optimization_goals = 31, 647242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci compatibility = 32, 657242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci CPU_unaligned_access = 34, 667242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci FP_HP_extension = 36, 677242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_FP_16bit_format = 38, 687242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci MPextension_use = 42, // recoded from 70 (ABI r2.08) 697242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci DIV_use = 44, 707242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci also_compatible_with = 65, 717242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci conformance = 67, 727242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci Virtualization_use = 68, 737242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 747242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci /// Legacy Tags 757242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci Section = 2, // deprecated (ABI r2.09) 767242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci Symbol = 3, // deprecated (ABI r2.09) 777242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_align8_needed = 24, // renamed to ABI_align_needed (ABI r2.09) 787242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ABI_align8_preserved = 25, // renamed to ABI_align_preserved (ABI r2.09) 797242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci nodefaults = 64, // deprecated (ABI r2.09) 807242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci T2EE_use = 66, // deprecated (ABI r2.09) 817242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci MPextension_use_old = 70 // recoded to MPextension_use (ABI r2.08) 827242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci}; 837242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 847242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano TucciStringRef AttrTypeAsString(unsigned Attr, bool HasTagPrefix = true); 857242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano TucciStringRef AttrTypeAsString(AttrType Attr, bool HasTagPrefix = true); 867242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucciint AttrTypeFromString(StringRef Tag); 877242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 887242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// Magic numbers for .ARM.attributes 897242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccienum AttrMagic { 907242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci Format_Version = 0x41 917242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci}; 927242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 937242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// Legal Values for CPU_arch, (=6), uleb128 947242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccienum CPUArch { 957242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci Pre_v4 = 0, 967242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci v4 = 1, // e.g. SA110 977242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci v4T = 2, // e.g. ARM7TDMI 987242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci v5T = 3, // e.g. ARM9TDMI 997242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci v5TE = 4, // e.g. ARM946E_S 1007242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci v5TEJ = 5, // e.g. ARM926EJ_S 1017242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci v6 = 6, // e.g. ARM1136J_S 1027242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci v6KZ = 7, // e.g. ARM1176JZ_S 1037242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci v6T2 = 8, // e.g. ARM1156T2F_S 1047242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci v6K = 9, // e.g. ARM1136J_S 1057242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci v7 = 10, // e.g. Cortex A8, Cortex M3 1067242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci v6_M = 11, // e.g. Cortex M1 1077242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci v6S_M = 12, // v6_M with the System extensions 1087242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci v7E_M = 13, // v7_M with DSP extensions 1097242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci v8 = 14 // v8, AArch32 1107242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci}; 1117242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 1127242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccienum CPUArchProfile { // (=7), uleb128 1137242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci Not_Applicable = 0, // pre v7, or cross-profile code 1147242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci ApplicationProfile = (0x41), // 'A' (e.g. for Cortex A8) 1157242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci RealTimeProfile = (0x52), // 'R' (e.g. for Cortex R4) 1167242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci MicroControllerProfile = (0x4D), // 'M' (e.g. for Cortex M3) 1177242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci SystemProfile = (0x53) // 'S' Application or real-time profile 1187242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci}; 1197242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 1207242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci// The following have a lot of common use cases 1217242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tuccienum { 1227242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci Not_Allowed = 0, 1237242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci Allowed = 1, 1247242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 1257242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci // Tag_ARM_ISA_use (=8), uleb128 1267242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 1277242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci // Tag_THUMB_ISA_use, (=9), uleb128 1287242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci AllowThumb32 = 2, // 32-bit Thumb (implies 16-bit instructions) 1297242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci 1307242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci // Tag_FP_arch (=10), uleb128 (formerly Tag_VFP_arch = 10) 1317242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci AllowFPv2 = 2, // v2 FP ISA permitted (implies use of the v1 FP ISA) 1327242dc3dbeb210b5e876a3c42d1ec1a667fc621aPrimiano Tucci AllowFPv3A = 3, // v3 FP ISA permitted (implies use of the v2 FP ISA) 133 AllowFPv3B = 4, // v3 FP ISA permitted, but only D0-D15, S0-S31 134 AllowFPv4A = 5, // v4 FP ISA permitted (implies use of v3 FP ISA) 135 AllowFPv4B = 6, // v4 FP ISA was permitted, but only D0-D15, S0-S31 136 AllowFPARMv8A = 7, // Use of the ARM v8-A FP ISA was permitted 137 AllowFPARMv8B = 8, // Use of the ARM v8-A FP ISA was permitted, but only 138 // D0-D15, S0-S31 139 140 // Tag_WMMX_arch, (=11), uleb128 141 AllowWMMXv1 = 1, // The user permitted this entity to use WMMX v1 142 AllowWMMXv2 = 2, // The user permitted this entity to use WMMX v2 143 144 // Tag_Advanced_SIMD_arch, (=12), uleb128 145 AllowNeon = 1, // SIMDv1 was permitted 146 AllowNeon2 = 2, // SIMDv2 was permitted (Half-precision FP, MAC operations) 147 AllowNeonARMv8 = 3, // ARM v8-A SIMD was permitted 148 149 // Tag_ABI_PCS_RW_data, (=15), uleb128 150 AddressRWPCRel = 1, // Address RW static data PC-relative 151 AddressRWSBRel = 2, // Address RW static data SB-relative 152 AddressRWNone = 3, // No RW static data permitted 153 154 // Tag_ABI_PCS_RO_data, (=14), uleb128 155 AddressROPCRel = 1, // Address RO static data PC-relative 156 AddressRONone = 2, // No RO static data permitted 157 158 // Tag_ABI_PCS_GOT_use, (=17), uleb128 159 AddressDirect = 1, // Address imported data directly 160 AddressGOT = 2, // Address imported data indirectly (via GOT) 161 162 // Tag_ABI_PCS_wchar_t, (=18), uleb128 163 WCharProhibited = 0, // wchar_t is not used 164 WCharWidth2Bytes = 2, // sizeof(wchar_t) == 2 165 WCharWidth4Bytes = 4, // sizeof(wchar_t) == 4 166 167 // Tag_ABI_FP_denormal, (=20), uleb128 168 PreserveFPSign = 2, // sign when flushed-to-zero is preserved 169 170 // Tag_ABI_FP_number_model, (=23), uleb128 171 AllowRTABI = 2, // numbers, infinities, and one quiet NaN (see [RTABI]) 172 AllowIEE754 = 3, // this code to use all the IEEE 754-defined FP encodings 173 174 // Tag_ABI_enum_size, (=26), uleb128 175 EnumProhibited = 0, // The user prohibited the use of enums when building 176 // this entity. 177 EnumSmallest = 1, // Enum is smallest container big enough to hold all 178 // values. 179 Enum32Bit = 2, // Enum is at least 32 bits. 180 Enum32BitABI = 3, // Every enumeration visible across an ABI-complying 181 // interface contains a value needing 32 bits to encode 182 // it; other enums can be containerized. 183 184 // Tag_ABI_HardFP_use, (=27), uleb128 185 HardFPImplied = 0, // FP use should be implied by Tag_FP_arch 186 HardFPSinglePrecision = 1, // Single-precision only 187 188 // Tag_ABI_VFP_args, (=28), uleb128 189 BaseAAPCS = 0, 190 HardFPAAPCS = 1, 191 192 // Tag_FP_HP_extension, (=36), uleb128 193 AllowHPFP = 1, // Allow use of Half Precision FP 194 195 // Tag_MPextension_use, (=42), uleb128 196 AllowMP = 1, // Allow use of MP extensions 197 198 // Tag_DIV_use, (=44), uleb128 199 // Note: AllowDIVExt must be emitted if and only if the permission to use 200 // hardware divide cannot be conveyed using AllowDIVIfExists or DisallowDIV 201 AllowDIVIfExists = 0, // Allow hardware divide if available in arch, or no 202 // info exists. 203 DisallowDIV = 1, // Hardware divide explicitly disallowed. 204 AllowDIVExt = 2, // Allow hardware divide as optional architecture 205 // extension above the base arch specified by 206 // Tag_CPU_arch and Tag_CPU_arch_profile. 207 208 // Tag_Virtualization_use, (=68), uleb128 209 AllowTZ = 1, 210 AllowVirtualization = 2, 211 AllowTZVirtualization = 3 212}; 213 214} // namespace ARMBuildAttrs 215} // namespace llvm 216 217#endif // LLVM_SUPPORT_ARM_BUILD_ATTRIBUTES_H 218