| #ifdef __aarch64__ |
| # define STATIC_CHAIN_REG "x18" |
| #elif defined(__alpha__) |
| # define STATIC_CHAIN_REG "$1" |
| #elif defined(__arm__) |
| # define STATIC_CHAIN_REG "ip" |
| #elif defined(__hppa__) |
| # if defined(__LP64) |
| # define define STATIC_CHAIN_REG "%r31" |
| # else |
| # define define STATIC_CHAIN_REG "%r29" /* %ret1 */ |
| # endif |
| #elif defined(__sparc__) |
| # if defined(__arch64__) || defined(__sparcv9) |
| # define STATIC_CHAIN_REG "g5" |
| # else |
| # define STATIC_CHAIN_REG "g2" |
| # endif |
| #elif defined(__x86_64__) |
| # define STATIC_CHAIN_REG "r10" |
| #elif defined(__i386__) |
| # ifndef ABI_NUM |
| # define STATIC_CHAIN_REG "ecx" /* FFI_DEFAULT_ABI only */ |
| # endif |
| #endif |
