| /* |
| Permission is hereby granted, free of charge, to any person obtaining |
| a copy of this software and associated documentation files (the |
| ``Software''), to deal in the Software without restriction, including |
| without limitation the rights to use, copy, modify, merge, publish, |
| distribute, sublicense, and/or sell copies of the Software, and to |
| permit persons to whom the Software is furnished to do so, subject to |
| the following conditions: |
| |
| The above copyright notice and this permission notice shall be |
| included in all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, |
| EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| |
| #define AARCH64_RET_VOID 0 |
| #define AARCH64_RET_INT64 1 |
| #define AARCH64_RET_INT128 2 |
| |
| #define AARCH64_RET_UNUSED3 3 |
| #define AARCH64_RET_UNUSED4 4 |
| #define AARCH64_RET_UNUSED5 5 |
| #define AARCH64_RET_UNUSED6 6 |
| #define AARCH64_RET_UNUSED7 7 |
| |
| /* Note that FFI_TYPE_FLOAT == 2, _DOUBLE == 3, _LONGDOUBLE == 4, |
| so _S4 through _Q1 are layed out as (TYPE * 4) + (4 - COUNT). */ |
| #define AARCH64_RET_S4 8 |
| #define AARCH64_RET_S3 9 |
| #define AARCH64_RET_S2 10 |
| #define AARCH64_RET_S1 11 |
| |
| #define AARCH64_RET_D4 12 |
| #define AARCH64_RET_D3 13 |
| #define AARCH64_RET_D2 14 |
| #define AARCH64_RET_D1 15 |
| |
| #define AARCH64_RET_Q4 16 |
| #define AARCH64_RET_Q3 17 |
| #define AARCH64_RET_Q2 18 |
| #define AARCH64_RET_Q1 19 |
| |
| /* Note that each of the sub-64-bit integers gets two entries. */ |
| #define AARCH64_RET_UINT8 20 |
| #define AARCH64_RET_UINT16 22 |
| #define AARCH64_RET_UINT32 24 |
| |
| #define AARCH64_RET_SINT8 26 |
| #define AARCH64_RET_SINT16 28 |
| #define AARCH64_RET_SINT32 30 |
| |
| #define AARCH64_RET_MASK 31 |
| |
| #define AARCH64_RET_IN_MEM (1 << 5) |
| #define AARCH64_RET_NEED_COPY (1 << 6) |
| |
| #define AARCH64_FLAG_ARG_V_BIT 7 |
| #define AARCH64_FLAG_ARG_V (1 << AARCH64_FLAG_ARG_V_BIT) |
| #define AARCH64_FLAG_VARARG (1 << 8) |
| |
| #define N_X_ARG_REG 8 |
| #define N_V_ARG_REG 8 |
| #define CALL_CONTEXT_SIZE (N_V_ARG_REG * 16 + N_X_ARG_REG * 8) |
| |
| #if defined(FFI_EXEC_STATIC_TRAMP) |
| /* |
| * For the trampoline code table mapping, a mapping size of 16K is chosen to |
| * cover the base page sizes of 4K and 16K. |
| */ |
| #define AARCH64_TRAMP_MAP_SHIFT 14 |
| #define AARCH64_TRAMP_MAP_SIZE (1 << AARCH64_TRAMP_MAP_SHIFT) |
| #define AARCH64_TRAMP_SIZE 32 |
| |
| #endif |
| |
| /* Helpers for writing assembly compatible with arm ptr auth */ |
| #ifdef LIBFFI_ASM |
| |
| #ifdef HAVE_PTRAUTH |
| #define SIGN_LR pacibsp |
| #define SIGN_LR_WITH_REG(x) pacib lr, x |
| #define AUTH_LR_AND_RET retab |
| #define AUTH_LR_WITH_REG(x) autib lr, x |
| #define BRANCH_AND_LINK_TO_REG blraaz |
| #define BRANCH_TO_REG braaz |
| #else |
| #define SIGN_LR |
| #define SIGN_LR_WITH_REG(x) |
| #define AUTH_LR_AND_RET ret |
| #define AUTH_LR_WITH_REG(x) |
| #define BRANCH_AND_LINK_TO_REG blr |
| #define BRANCH_TO_REG br |
| #endif |
| |
| #endif |
