| Johnny Chen | 8584c92 | 2011-01-26 01:18:52 +0000 | [diff] [blame] | 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 | #include "InstructionUtils.h" |
| 14 | |
| 15 | // Common defintions for the ARM/Thumb Instruction Set Architecture. |
| 16 | |
| 17 | namespace lldb_private { |
| 18 | |
| Johnny Chen | 4302f85 | 2011-02-04 21:27:54 +0000 | [diff] [blame] | 19 | // ARM conditions // Meaning (integer) Meaning (floating-point) Condition flags |
| 20 | #define COND_EQ 0x0 // Equal Equal Z == 1 |
| 21 | #define COND_NE 0x1 // Not equal Not equal, or unordered Z == 0 |
| 22 | #define COND_CS 0x2 // Carry set >, ==, or unordered C == 1 |
| Johnny Chen | 8584c92 | 2011-01-26 01:18:52 +0000 | [diff] [blame] | 23 | #define COND_HS 0x2 |
| Johnny Chen | 4302f85 | 2011-02-04 21:27:54 +0000 | [diff] [blame] | 24 | #define COND_CC 0x3 // Carry clear Less than C == 0 |
| Johnny Chen | 8584c92 | 2011-01-26 01:18:52 +0000 | [diff] [blame] | 25 | #define COND_LO 0x3 |
| Johnny Chen | 4302f85 | 2011-02-04 21:27:54 +0000 | [diff] [blame] | 26 | #define COND_MI 0x4 // Minus, negative Less than N == 1 |
| 27 | #define COND_PL 0x5 // Plus, positive or zero >, ==, or unordered N == 0 |
| 28 | #define COND_VS 0x6 // Overflow Unordered V == 1 |
| 29 | #define COND_VC 0x7 // No overflow Not unordered V == 0 |
| 30 | #define COND_HI 0x8 // Unsigned higher Greater than, or unordered C == 1 and Z == 0 |
| 31 | #define COND_LS 0x9 // Unsigned lower or same Less than or equal C == 0 or Z == 1 |
| 32 | #define COND_GE 0xA // Greater than or equal Greater than or equal N == V |
| 33 | #define COND_LT 0xB // Less than Less than, or unordered N != V |
| 34 | #define COND_GT 0xC // Greater than Greater than Z == 0 and N == V |
| 35 | #define COND_LE 0xD // Less than or equal <, ==, or unordered Z == 1 or N != V |
| 36 | #define COND_AL 0xE // Always (unconditional) Always (unconditional) Any |
| Johnny Chen | 8584c92 | 2011-01-26 01:18:52 +0000 | [diff] [blame] | 37 | #define COND_UNCOND 0xF |
| 38 | |
| Johnny Chen | 4302f85 | 2011-02-04 21:27:54 +0000 | [diff] [blame] | 39 | static inline const char *ARMCondCodeToString(uint32_t CC) |
| 40 | { |
| 41 | switch (CC) { |
| 42 | default: assert(0 && "Unknown condition code"); |
| 43 | case COND_EQ: return "eq"; |
| 44 | case COND_NE: return "ne"; |
| 45 | case COND_HS: return "hs"; |
| 46 | case COND_LO: return "lo"; |
| 47 | case COND_MI: return "mi"; |
| 48 | case COND_PL: return "pl"; |
| 49 | case COND_VS: return "vs"; |
| 50 | case COND_VC: return "vc"; |
| 51 | case COND_HI: return "hi"; |
| 52 | case COND_LS: return "ls"; |
| 53 | case COND_GE: return "ge"; |
| 54 | case COND_LT: return "lt"; |
| 55 | case COND_GT: return "gt"; |
| 56 | case COND_LE: return "le"; |
| 57 | case COND_AL: return "al"; |
| 58 | } |
| 59 | } |
| 60 | |
| Johnny Chen | 8584c92 | 2011-01-26 01:18:52 +0000 | [diff] [blame] | 61 | // Masks for CPSR |
| 62 | #define MASK_CPSR_MODE_MASK (0x0000001fu) |
| 63 | #define MASK_CPSR_T (1u << 5) |
| 64 | #define MASK_CPSR_F (1u << 6) |
| 65 | #define MASK_CPSR_I (1u << 7) |
| 66 | #define MASK_CPSR_A (1u << 8) |
| 67 | #define MASK_CPSR_E (1u << 9) |
| 68 | #define MASK_CPSR_GE_MASK (0x000f0000u) |
| 69 | #define MASK_CPSR_J (1u << 24) |
| 70 | #define MASK_CPSR_Q (1u << 27) |
| 71 | #define MASK_CPSR_V (1u << 28) |
| 72 | #define MASK_CPSR_C (1u << 29) |
| 73 | #define MASK_CPSR_Z (1u << 30) |
| 74 | #define MASK_CPSR_N (1u << 31) |
| 75 | |
| 76 | } // namespace lldb_private |
| 77 | |
| 78 | #endif // lldb_ARMDefines_h_ |