| 1 | #ifndef __ARM_FEATURES_H__ |
| 2 | #define __ARM_FEATURES_H__ |
| 3 | |
| 4 | /* note: features only available since: |
| 5 | * __ARM_ARCH gcc 4.8/clang 3.2 |
| 6 | * ARMv8 support gcc 4.8/clang 3.4 |
| 7 | * ARM64 support gcc 4.8/clang 3.5 |
| 8 | */ |
| 9 | |
| 10 | #if defined(__aarch64__) |
| 11 | |
| 12 | #elif (defined(__ARM_ARCH) && __ARM_ARCH >= 8) |
| 13 | |
| 14 | #define HAVE_ARMV8 |
| 15 | #define HAVE_ARMV7 |
| 16 | #define HAVE_ARMV6 |
| 17 | #define HAVE_ARMV5 |
| 18 | |
| 19 | #elif (defined(__ARM_ARCH) && __ARM_ARCH >= 7) \ |
| 20 | || defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \ |
| 21 | || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \ |
| 22 | || defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_7S__) |
| 23 | |
| 24 | #define HAVE_ARMV7 |
| 25 | #define HAVE_ARMV6 |
| 26 | #define HAVE_ARMV5 |
| 27 | |
| 28 | #elif (defined(__ARM_ARCH) && __ARM_ARCH >= 6) \ |
| 29 | || defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \ |
| 30 | || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) \ |
| 31 | || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) \ |
| 32 | || defined(__ARM_ARCH_6M__) |
| 33 | |
| 34 | #define HAVE_ARMV6 |
| 35 | #define HAVE_ARMV5 |
| 36 | #define HAVE_PRE_ARMV7 |
| 37 | |
| 38 | #elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5E__) \ |
| 39 | || defined(__ARM_ARCH_5T__) || defined(__ARM_ARCH_5TE__) || defined(__ARM_ARCH_5TEJ__) |
| 40 | |
| 41 | #define HAVE_ARMV5 |
| 42 | #define HAVE_PRE_ARMV7 |
| 43 | |
| 44 | #elif defined(__arm__) |
| 45 | |
| 46 | #define HAVE_PRE_ARMV7 |
| 47 | |
| 48 | #endif |
| 49 | |
| 50 | /* no need for HAVE_NEON - GCC defines __ARM_NEON__ consistently */ |
| 51 | |
| 52 | /* global function/external symbol */ |
| 53 | #ifndef __MACH__ |
| 54 | #define ESYM(name) name |
| 55 | |
| 56 | #define FUNCTION(name) \ |
| 57 | .globl name; \ |
| 58 | .type name, %function; \ |
| 59 | name |
| 60 | |
| 61 | #define EXTRA_UNSAVED_REGS |
| 62 | |
| 63 | #else |
| 64 | #define ESYM(name) _##name |
| 65 | |
| 66 | #define FUNCTION(name) \ |
| 67 | .globl ESYM(name); \ |
| 68 | name: \ |
| 69 | ESYM(name) |
| 70 | |
| 71 | // r7 is preserved, but add it for EABI alignment.. |
| 72 | #define EXTRA_UNSAVED_REGS r7, r9, |
| 73 | |
| 74 | #endif |
| 75 | |
| 76 | #if defined(__MACH__) || defined(__PIC__) |
| 77 | #define TEXRELS_FORBIDDEN |
| 78 | #endif |
| 79 | |
| 80 | #endif /* __ARM_FEATURES_H__ */ |