1 //===-- lldb_ARMDefines.h ---------------------------------------*- C++ -*-===// 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 #ifndef lldb_ARMDefines_h_ 11 #define lldb_ARMDefines_h_ 12 13 // Common defintions for the ARM/Thumb Instruction Set Architecture. 14 15 namespace lldb_private { 16 17 // ARM shifter types 18 typedef enum 19 { 20 SRType_LSL, 21 SRType_LSR, 22 SRType_ASR, 23 SRType_ROR, 24 SRType_RRX, 25 SRType_Invalid 26 } ARM_ShifterType; 27 28 // ARM conditions // Meaning (integer) Meaning (floating-point) Condition flags 29 #define COND_EQ 0x0 // Equal Equal Z == 1 30 #define COND_NE 0x1 // Not equal Not equal, or unordered Z == 0 31 #define COND_CS 0x2 // Carry set >, ==, or unordered C == 1 32 #define COND_HS 0x2 33 #define COND_CC 0x3 // Carry clear Less than C == 0 34 #define COND_LO 0x3 35 #define COND_MI 0x4 // Minus, negative Less than N == 1 36 #define COND_PL 0x5 // Plus, positive or zero >, ==, or unordered N == 0 37 #define COND_VS 0x6 // Overflow Unordered V == 1 38 #define COND_VC 0x7 // No overflow Not unordered V == 0 39 #define COND_HI 0x8 // Unsigned higher Greater than, or unordered C == 1 and Z == 0 40 #define COND_LS 0x9 // Unsigned lower or same Less than or equal C == 0 or Z == 1 41 #define COND_GE 0xA // Greater than or equal Greater than or equal N == V 42 #define COND_LT 0xB // Less than Less than, or unordered N != V 43 #define COND_GT 0xC // Greater than Greater than Z == 0 and N == V 44 #define COND_LE 0xD // Less than or equal <, ==, or unordered Z == 1 or N != V 45 #define COND_AL 0xE // Always (unconditional) Always (unconditional) Any 46 #define COND_UNCOND 0xF 47 48 static inline const char *ARMCondCodeToString(uint32_t CC) 49 { 50 switch (CC) { 51 default: assert(0 && "Unknown condition code"); 52 case COND_EQ: return "eq"; 53 case COND_NE: return "ne"; 54 case COND_HS: return "hs"; 55 case COND_LO: return "lo"; 56 case COND_MI: return "mi"; 57 case COND_PL: return "pl"; 58 case COND_VS: return "vs"; 59 case COND_VC: return "vc"; 60 case COND_HI: return "hi"; 61 case COND_LS: return "ls"; 62 case COND_GE: return "ge"; 63 case COND_LT: return "lt"; 64 case COND_GT: return "gt"; 65 case COND_LE: return "le"; 66 case COND_AL: return "al"; 67 } 68 } 69 70 // Bit positions for CPSR 71 #define CPSR_T_POS 5 72 #define CPSR_F_POS 6 73 #define CPSR_I_POS 7 74 #define CPSR_A_POS 8 75 #define CPSR_E_POS 9 76 #define CPSR_J_POS 24 77 #define CPSR_Q_POS 27 78 #define CPSR_V_POS 28 79 #define CPSR_C_POS 29 80 #define CPSR_Z_POS 30 81 #define CPSR_N_POS 31 82 83 // CPSR mode definitions 84 #define CPSR_MODE_USR 0x10u 85 #define CPSR_MODE_FIQ 0x11u 86 #define CPSR_MODE_IRQ 0x12u 87 #define CPSR_MODE_SVC 0x13u 88 #define CPSR_MODE_ABT 0x17u 89 #define CPSR_MODE_UND 0x1bu 90 #define CPSR_MODE_SYS 0x1fu 91 92 // Masks for CPSR 93 #define MASK_CPSR_MODE_MASK (0x0000001fu) 94 #define MASK_CPSR_IT_MASK (0x0600fc00u) 95 #define MASK_CPSR_T (1u << CPSR_T_POS) 96 #define MASK_CPSR_F (1u << CPSR_F_POS) 97 #define MASK_CPSR_I (1u << CPSR_I_POS) 98 #define MASK_CPSR_A (1u << CPSR_A_POS) 99 #define MASK_CPSR_E (1u << CPSR_E_POS) 100 #define MASK_CPSR_GE_MASK (0x000f0000u) 101 #define MASK_CPSR_J (1u << CPSR_J_POS) 102 #define MASK_CPSR_Q (1u << CPSR_Q_POS) 103 #define MASK_CPSR_V (1u << CPSR_V_POS) 104 #define MASK_CPSR_C (1u << CPSR_C_POS) 105 #define MASK_CPSR_Z (1u << CPSR_Z_POS) 106 #define MASK_CPSR_N (1u << CPSR_N_POS) 107 108 } // namespace lldb_private 109 110 #endif // lldb_ARMDefines_h_ 111
