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Diffstat (limited to 'include/llvm/Object/ELF_ARM.h')
| -rw-r--r-- | include/llvm/Object/ELF_ARM.h | 339 |
1 files changed, 0 insertions, 339 deletions
diff --git a/include/llvm/Object/ELF_ARM.h b/include/llvm/Object/ELF_ARM.h deleted file mode 100644 index d1fab2aa20..0000000000 --- a/include/llvm/Object/ELF_ARM.h +++ /dev/null @@ -1,339 +0,0 @@ -//===-- ELF_ARM.h - ARM ELF ABI ---------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file contains enumerations and support routines for ARM build attributes -// as defined in ARM ABI addenda document (ABI release 2.08). -// -//===----------------------------------------------------------------------===// - -#ifndef LLVM_OBJECT_ELF_ARM_H -#define LLVM_OBJECT_ELF_ARM_H - -#include "llvm/ADT/SmallVector.h" -#include "llvm/Support/Endian.h" - -namespace llvm { - -namespace ARMBuildAttrs { -enum SpecialAttr { - // This is for the .cpu asm attr. It translates into one or more - // AttrType (below) entries in the .ARM.attributes section in the ELF. - SEL_CPU -}; - -enum AttrType { - // Rest correspond to ELF/.ARM.attributes - File = 1, - Section = 2, - Symbol = 3, - CPU_raw_name = 4, - CPU_name = 5, - CPU_arch = 6, - CPU_arch_profile = 7, - ARM_ISA_use = 8, - THUMB_ISA_use = 9, - FP_arch = 10, - WMMX_arch = 11, - Advanced_SIMD_arch = 12, - PCS_config = 13, - ABI_PCS_R9_use = 14, - ABI_PCS_RW_data = 15, - ABI_PCS_RO_data = 16, - ABI_PCS_GOT_use = 17, - ABI_PCS_wchar_t = 18, - ABI_FP_rounding = 19, - ABI_FP_denormal = 20, - ABI_FP_exceptions = 21, - ABI_FP_user_exceptions = 22, - ABI_FP_number_model = 23, - ABI_align8_needed = 24, - ABI_align8_preserved = 25, - ABI_enum_size = 26, - ABI_HardFP_use = 27, - ABI_VFP_args = 28, - ABI_WMMX_args = 29, - ABI_optimization_goals = 30, - ABI_FP_optimization_goals = 31, - compatibility = 32, - CPU_unaligned_access = 34, - FP_HP_extension = 36, - ABI_FP_16bit_format = 38, - MPextension_use = 42, // was 70, 2.08 ABI - DIV_use = 44, - nodefaults = 64, - also_compatible_with = 65, - T2EE_use = 66, - conformance = 67, - Virtualization_use = 68, - MPextension_use_old = 70 -}; - -// Magic numbers for .ARM.attributes -enum AttrMagic { - Format_Version = 0x41 -}; - -// Legal Values for CPU_arch, (=6), uleb128 -enum CPUArch { - Pre_v4 = 0, - v4 = 1, // e.g. SA110 - v4T = 2, // e.g. ARM7TDMI - v5T = 3, // e.g. ARM9TDMI - v5TE = 4, // e.g. ARM946E_S - v5TEJ = 5, // e.g. ARM926EJ_S - v6 = 6, // e.g. ARM1136J_S - v6KZ = 7, // e.g. ARM1176JZ_S - v6T2 = 8, // e.g. ARM1156T2F_S - v6K = 9, // e.g. ARM1136J_S - v7 = 10, // e.g. Cortex A8, Cortex M3 - v6_M = 11, // e.g. Cortex M1 - v6S_M = 12, // v6_M with the System extensions - v7E_M = 13, // v7_M with DSP extensions - v8 -}; - -enum CPUArchProfile { // (=7), uleb128 - Not_Applicable = 0, // pre v7, or cross-profile code - ApplicationProfile = (0x41), // 'A' (e.g. for Cortex A8) - RealTimeProfile = (0x52), // 'R' (e.g. for Cortex R4) - MicroControllerProfile = (0x4D), // 'M' (e.g. for Cortex M3) - SystemProfile = (0x53) // 'S' Application or real-time profile -}; - -// The following have a lot of common use cases -enum { - //ARMISAUse (=8), uleb128 and THUMBISAUse (=9), uleb128 - Not_Allowed = 0, - Allowed = 1 -}; - -enum { - // FP_arch (=10), uleb128 (formerly Tag_VFP_arch = 10) - AllowFPv2 = 2, // v2 FP ISA permitted (implies use of the v1 FP ISA) - AllowFPv3A = 3, // v3 FP ISA permitted (implies use of the v2 FP ISA) - AllowFPv3B = 4, // v3 FP ISA permitted, but only D0-D15, S0-S31 - AllowFPv4A = 5, // v4 FP ISA permitted (implies use of v3 FP ISA) - AllowFPv4B = 6, // v4 FP ISA was permitted, but only D0-D15, S0-S31 - AllowV8FP = 7, // ARMv8-A FP ISA permitted - AllowV8FPB = 8 // ARMv8-A FP ISA permitted, but only D0-D15, S0-D31 -}; - -enum { - // Tag_THUMB_ISA_use, (=9), uleb128 - AllowThumb32 = 2 // 32-bit Thumb (implies 16-bit instructions) -}; - -enum { - // Tag_WMMX_arch, (=11), uleb128 - AllowWMMXv1 = 1, // The user permitted this entity to use WMMX v1 - AllowWMMXv2 = 2 // The user permitted this entity to use WMMX v2 -}; - -enum { - // Tag_ABI_FP_denormal, (=20), uleb128 - MightFlushToZero = 0, // Denormal numbers might be flushed to (+) zero - IEEE754Denormal = 1 , // Depends on IEEE 754 denormal numbers - PreserveFPSign = 2 // Sign when flushed-to-zero is preserved -}; - -enum { - // Tag_ABI_FP_number_model, (=23), uleb128 - AllowNormal = 1, // Use IEEE 754 format normal numbers only - AllowRTABI = 2, // numbers, infinities, and one quiet NaN (see [RTABI]) - AllowIEE754 = 3 // this code to use all the IEEE 754-defined FP encodings -}; - -enum { - // Tag_ABI_FP_rounding, (=19), uleb128 - FPRoundingNearest = 0, // Use the IEEE 754 round to nearest rounding mode - FPRoundingRuntime = 1 // Choose the IEEE 754 rounding mode at run time -}; - -enum { - // Tag_DIV_use, (=44), uleb128 - AllowDIVThumb = 0, // Allow SDIV, UDIV on Thumb ISA, e.g. Cortex R4 or M3 - NotAllowedDIV = 1, // Disallow SDIV and UDIV - AllowDIVv7a = 2 // Allow SDIV, UDIV on v7-a with integer div extension -}; - -enum { - // Tag_Virtualization_use, (=42), uleb128 - TrustZone = 1, // Use of the TrustZone extension was permitted - VirtExts = 2, // Use of virtualization extensions (HVC, ERET) permitted - TrustZoneVirtExts = 3 // TrustZone and virtualization extensions permitted -}; - -enum { - // Tag_PCS_config, (=13), uleb128 - PCS_none = 0, // No standard configuration used, or no information recorded - PCS_bare = 1, // Bare platform configuration - PCS_linux = 2, // Linux application configuration - PCS_linux_dso = 3, // Linux DSO configuration - PCS_palm_2004 = 4, // Palm OS 2004 configuration - PCS_palm_future = 5, // Reserved to future Palm OS configuration - PCS_symbian_2004 = 6, // Symbian OS 2004 configuration - PCS_symbian_future = 7 // Reserved to future Symbian OS configuration -}; - -enum { - // Tag_ABI_PCS_R9_use, (=14), uleb128 - PCS_R9_normal = 0, // R9 used as V6 (just another callee-saved register, - // implied by omitting the tag) - PCS_R9_SB = 1, // R9 used as SB, a global Static Base register - PCS_R9_TLS = 2, // R9 used as a Thread Local Storage (TLS) pointer - PCS_R9_none = 3 // R9 not used at all by code associated with - // the attributed entity. -}; - -enum { - // Tag_ABI_PCS_RW_data, (=15), uleb128 - PCS_RW_data_abs = 0, // RW static data permitted to be addressed absolutely - PCS_RW_data_pcrel = 1, // RW static data was only permitted to be - // addressed PC-relative. - PCS_RW_data_sbrel = 2, // RW static data was only permitted to be addressed - // SB-relative. - PCS_RW_data_none = 3 // No permission to use RW static data -}; - -enum { - // Tag_ABI_PCS_RO_data, (=16), uleb128 - PCS_RO_data_abs = 0, // RO static data permitted to be addressed absolutely - PCS_RO_data_pcrel = 1, // RO static data was only permitted to be - // addressed PC-relative. - PCS_RO_data_none = 2 // No permission to use RO static data -}; - -enum { - // Tag_ABI_PCS_GOT_use, (=17), uleb128 - PCS_GOT_none = 0, // No permission to import static data - PCS_GOT_direct = 1, // Permission to address imported data directly - PCS_GOT_indirect = 2 // The user permitted this entity to address imported - // data indirectly (e.g. via a GOT) -}; - -enum { - // Tag_ABI_PCS_wchar_t, (=18), uleb128 - PCS_wchar_t_disallowed = 0, // The user prohibited the use of wchar_t - PCS_wchar_t_2 = 2, // The user intended the size of wchar_t to be 2 - PCS_wchar_t_4 = 4 // The user intended the size of wchar_t to be 4 -}; - -enum { - // Tag_ABI_enum_size, (=26), uleb128 - PCS_enum_size = 1, // Enum values occupy the smallest container big enough - // to hold all their values. - PCS_enum_size_32 = 2, // The user intended Enum containers to be 32-bit - PCS_enum_size_abi32 = 3 // The user intended that every enumeration visible - // across an ABI-complying interface contains a value needing 32 bits to - // encode it; other enums can be containerized. -}; - -enum { - // Tag_ABI_align_needed, (=24), uleb128 - PCS_Align_needed_disallowed = 0, // The user did not permit code to depend - // the alignment of 8-byte data or data with extended (>8-byte) alignment. - PCS_Align_needed_8 = 1, // Code was permitted to depend on the 8-byte - // alignment of 8-byte data items. - PCS_Align_needed_4 = 2, // Code was permitted to depend on the 4-byte - // alignment of 8-byte data items. - PCS_Align_needed_res = 3 // Reserved - // OR: n (in 4..12) Code was permitted to depend on the 8-byte alignment of - // 8-byte data items and the alignment of data items having up to 2^n byte - // extended alignment. -}; - -enum { - // Tag_ABI_align_preserved, (=25), uleb128 - PCS_Align_preserved_none = 0, // The user did not require code to preserve - // 8-byte alignment of 8-byte data objects. - PCS_Align_preserved_8 = 1, // Code was required to preserve 8-byte alignment - // of 8-byte data objects. - PCS_Align_preserved_8sp = 2, // Code was required to preserve 8-byte - // alignment of 8-byte data objects and to ensure (SP MOD 8) = 0 at all - // instruction boundaries (not just at function calls). - PCS_Align_preserved_res = 3 // Reserved - // OR: n (in 4..12) Code was required to preserve the alignments of case 2 - // and the alignment of data items having up to 2^n byte extended alignment -}; - -enum { - // Tag_ABI_HardFP_use, (=27), uleb128 - HardFPImplied = 0, // FP use should be implied by Tag_FP_arch - HardFP_SP_VFP = 1, // Use only SP FP instructions - HardFP_Reserved = 2, // Reserved - HardFP_ImpliedDup = 3 // Deprecated duplicate of the default HardFPImplied -}; - -enum { - // Tag_ABI_VFP_args, (=28), uleb128 - VFPArgs_base = 0, // FP parameter/result passing using AAPCS, base variant - VFPArgs_VFP = 1, // FP parameter/result passing using AAPCS, VFP variant - VFPArgs_toolchain = 2, // FP parameter/result passing to conform to tool - // chain-specific conventions - VFPArgs_baseVFP = 3 // FP parameter/result passing using both base and VFP - //variants. Did not permit non-variadic functions to pass FP params/results. -}; - -/// Contains build ARM aeabi attribute values. -class ARMGenericBuildAttrInfo { -public: - ARMGenericBuildAttrInfo() - : Valid(false) {} - - CPUArch Tag_CPU_arch; - CPUArchProfile Tag_CPU_arch_profile; - std::string Tag_CPU_raw_name; - std::string Tag_CPU_name; - unsigned Tag_ARM_ISA_use; - unsigned Tag_THUMB_ISA_use; - unsigned Tag_FP_arch; - unsigned Tag_WMMX_arch; - unsigned Tag_Advanced_SIMD_arch; - unsigned Tag_FP_HP_extension; - unsigned Tag_CPU_unaligned_access; - unsigned Tag_MPextension_use; - unsigned Tag_DIV_use; - unsigned Tag_T2EE_use; - unsigned Tag_Virtualization_use; - unsigned Tag_ABI_optimization_goals; - unsigned Tag_ABI_FP_optimization_goals; - - //PCS/ABI attributes - unsigned Tag_PCS_config; - unsigned Tag_ABI_PCS_R9_use; - unsigned Tag_ABI_PCS_RW_data; - unsigned Tag_ABI_PCS_RO_data; - unsigned Tag_ABI_PCS_GOT_use; - unsigned Tag_ABI_PCS_wchar_t; - unsigned Tag_ABI_enum_size; - unsigned Tag_ABI_align8_needed; - unsigned Tag_ABI_align8_preserved; - - //FP - unsigned Tag_ABI_FP_rounding; - unsigned Tag_ABI_FP_denormal; - unsigned Tag_ABI_FP_number_model; - unsigned Tag_ABI_FP_exceptions; - unsigned Tag_ABI_FP_user_exceptions; - unsigned Tag_ABI_HardFP_use; - unsigned Tag_ABI_VFP_args; - -private: - bool Valid; - -public: - /// Indicates whether this instance contains valid or default values. - bool isValid() { return Valid; } - void setValid(bool v) { Valid = v; } -}; - -} -} // llvm - -#endif // LLVM_OBJECT_ELF_ARM_H |