131d157ae1ac2cd9c787dc3c1d28e64c682803844Jia Liu//===-- ARMBuildAttrs.h - ARM Build Attributes ------------------*- C++ -*-===// 288ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov// 388ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov// The LLVM Compiler Infrastructure 488ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov// 588ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov// This file is distributed under the University of Illinois Open Source 688ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov// License. See LICENSE.TXT for details. 788ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov// 888ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov//===----------------------------------------------------------------------===// 988ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov// 100c85aabfdcfa966c0c348242bad9a7c5fa2f8a14Chris Lattner// This file contains enumerations and support routines for ARM build attributes 11cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola// as defined in ARM ABI addenda document (ABI release 2.08). 1288ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov// 1388ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov//===----------------------------------------------------------------------===// 1488ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov 1588ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov#ifndef __TARGET_ARMBUILDATTRS_H__ 1688ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov#define __TARGET_ARMBUILDATTRS_H__ 1788ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov 1888ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikovnamespace ARMBuildAttrs { 1917b443df4368acfad853d09858c033c45c468d5cJason W Kim enum SpecialAttr { 2017b443df4368acfad853d09858c033c45c468d5cJason W Kim // This is for the .cpu asm attr. It translates into one or more 2117b443df4368acfad853d09858c033c45c468d5cJason W Kim // AttrType (below) entries in the .ARM.attributes section in the ELF. 2217b443df4368acfad853d09858c033c45c468d5cJason W Kim SEL_CPU 2317b443df4368acfad853d09858c033c45c468d5cJason W Kim }; 2417b443df4368acfad853d09858c033c45c468d5cJason W Kim 25def9ac48b779a4cb0b1d1486286cda157a2fe86eJason W Kim enum AttrType { 2617b443df4368acfad853d09858c033c45c468d5cJason W Kim // Rest correspond to ELF/.ARM.attributes 2788ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov File = 1, 2888ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov Section = 2, 2988ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov Symbol = 3, 3088ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov CPU_raw_name = 4, 3188ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov CPU_name = 5, 3288ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov CPU_arch = 6, 3388ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov CPU_arch_profile = 7, 3488ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ARM_ISA_use = 8, 3588ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov THUMB_ISA_use = 9, 3688ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov VFP_arch = 10, 3788ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov WMMX_arch = 11, 3888ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov Advanced_SIMD_arch = 12, 3988ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov PCS_config = 13, 4088ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_PCS_R9_use = 14, 4188ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_PCS_RW_data = 15, 4288ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_PCS_RO_data = 16, 4388ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_PCS_GOT_use = 17, 4488ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_PCS_wchar_t = 18, 4588ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_FP_rounding = 19, 4688ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_FP_denormal = 20, 4788ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_FP_exceptions = 21, 4888ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_FP_user_exceptions = 22, 4988ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_FP_number_model = 23, 5088ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_align8_needed = 24, 5188ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_align8_preserved = 25, 5288ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_enum_size = 26, 5388ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_HardFP_use = 27, 5488ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_VFP_args = 28, 5588ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_WMMX_args = 29, 5688ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_optimization_goals = 30, 5788ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_FP_optimization_goals = 31, 5888ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov compatibility = 32, 5988ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov CPU_unaligned_access = 34, 6088ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov VFP_HP_extension = 36, 6188ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov ABI_FP_16bit_format = 38, 62cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola MPextension_use = 42, // was 70, 2.08 ABI 63cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola DIV_use = 44, 6488ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov nodefaults = 64, 6588ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov also_compatible_with = 65, 6688ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov T2EE_use = 66, 6788ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov conformance = 67, 6888ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov Virtualization_use = 68, 69cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola MPextension_use_old = 70 7088ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov }; 7117b443df4368acfad853d09858c033c45c468d5cJason W Kim 7217b443df4368acfad853d09858c033c45c468d5cJason W Kim // Magic numbers for .ARM.attributes 7317b443df4368acfad853d09858c033c45c468d5cJason W Kim enum AttrMagic { 7417b443df4368acfad853d09858c033c45c468d5cJason W Kim Format_Version = 0x41 7517b443df4368acfad853d09858c033c45c468d5cJason W Kim }; 76cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 77cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola // Legal Values for CPU_arch, (=6), uleb128 78cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola enum CPUArch { 79cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola Pre_v4 = 0, 80cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola v4 = 1, // e.g. SA110 81cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola v4T = 2, // e.g. ARM7TDMI 82cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola v5T = 3, // e.g. ARM9TDMI 83cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola v5TE = 4, // e.g. ARM946E_S 84cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola v5TEJ = 5, // e.g. ARM926EJ_S 85cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola v6 = 6, // e.g. ARM1136J_S 86cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola v6KZ = 7, // e.g. ARM1176JZ_S 87cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola v6T2 = 8, // e.g. ARM1156T2F_S 88cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola v6K = 9, // e.g. ARM1136J_S 89cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola v7 = 10, // e.g. Cortex A8, Cortex M3 90cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola v6_M = 11, // e.g. Cortex M1 91cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola v6S_M = 12, // v6_M with the System extensions 92cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola v7E_M = 13 // v7_M with DSP extensions 93cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola }; 94cecbc3d28277ff4916326311cbf87335ed05d106Rafael Espindola 95f009a961caa75465999ef3bc764984d97a7da331Jason W Kim enum CPUArchProfile { // (=7), uleb128 96f009a961caa75465999ef3bc764984d97a7da331Jason W Kim Not_Applicable = 0, // pre v7, or cross-profile code 97f009a961caa75465999ef3bc764984d97a7da331Jason W Kim ApplicationProfile = (0x41), // 'A' (e.g. for Cortex A8) 98f009a961caa75465999ef3bc764984d97a7da331Jason W Kim RealTimeProfile = (0x52), // 'R' (e.g. for Cortex R4) 99f009a961caa75465999ef3bc764984d97a7da331Jason W Kim MicroControllerProfile = (0x4D), // 'M' (e.g. for Cortex M3) 100f009a961caa75465999ef3bc764984d97a7da331Jason W Kim SystemProfile = (0x53) // 'S' Application or real-time profile 101f009a961caa75465999ef3bc764984d97a7da331Jason W Kim }; 102f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 103f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // The following have a lot of common use cases 104f009a961caa75465999ef3bc764984d97a7da331Jason W Kim enum { 105f009a961caa75465999ef3bc764984d97a7da331Jason W Kim //ARMISAUse (=8), uleb128 and THUMBISAUse (=9), uleb128 106f009a961caa75465999ef3bc764984d97a7da331Jason W Kim Not_Allowed = 0, 107f009a961caa75465999ef3bc764984d97a7da331Jason W Kim Allowed = 1, 108f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 109f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // FP_arch (=10), uleb128 (formerly Tag_VFP_arch = 10) 110f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AllowFPv2 = 2, // v2 FP ISA permitted (implies use of the v1 FP ISA) 111f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AllowFPv3A = 3, // v3 FP ISA permitted (implies use of the v2 FP ISA) 112f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AllowFPv3B = 4, // v3 FP ISA permitted, but only D0-D15, S0-S31 113f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AllowFPv4A = 5, // v4 FP ISA permitted (implies use of v3 FP ISA) 114f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AllowFPv4B = 6, // v4 FP ISA was permitted, but only D0-D15, S0-S31 115f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 116f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // Tag_WMMX_arch, (=11), uleb128 117f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AllowThumb32 = 2, // 32-bit Thumb (implies 16-bit instructions) 118f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 119f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // Tag_WMMX_arch, (=11), uleb128 120f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AllowWMMXv1 = 2, // The user permitted this entity to use WMMX v2 121f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 122f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // Tag_ABI_FP_denormal, (=20), uleb128 123f009a961caa75465999ef3bc764984d97a7da331Jason W Kim PreserveFPSign = 2, // sign when flushed-to-zero is preserved 124f009a961caa75465999ef3bc764984d97a7da331Jason W Kim 125f009a961caa75465999ef3bc764984d97a7da331Jason W Kim // Tag_ABI_FP_number_model, (=23), uleb128 126f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AllowRTABI = 2, // numbers, infinities, and one quiet NaN (see [RTABI]) 127f009a961caa75465999ef3bc764984d97a7da331Jason W Kim AllowIEE754 = 3 // this code to use all the IEEE 754-defined FP encodings 128f009a961caa75465999ef3bc764984d97a7da331Jason W Kim }; 12988ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov} 13088ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov 13188ce667003a33e008d9ecc6811584681787e8150Anton Korobeynikov#endif // __TARGET_ARMBUILDATTRS_H__ 132