| // Copyright 2019 The Marl Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #define MARL_REG_RBX 0x00 |
| #define MARL_REG_RBP 0x08 |
| #define MARL_REG_R12 0x10 |
| #define MARL_REG_R13 0x18 |
| #define MARL_REG_R14 0x20 |
| #define MARL_REG_R15 0x28 |
| #define MARL_REG_RDI 0x30 |
| #define MARL_REG_RSI 0x38 |
| #define MARL_REG_RSP 0x40 |
| #define MARL_REG_RIP 0x48 |
| |
| #if defined(__APPLE__) |
| #define MARL_ASM_SYMBOL(x) _##x |
| #else |
| #define MARL_ASM_SYMBOL(x) x |
| #endif |
| |
| #ifndef MARL_BUILD_ASM |
| |
| #include <stdint.h> |
| |
| struct marl_fiber_context { |
| // callee-saved registers |
| uintptr_t RBX; |
| uintptr_t RBP; |
| uintptr_t R12; |
| uintptr_t R13; |
| uintptr_t R14; |
| uintptr_t R15; |
| |
| // parameter registers |
| uintptr_t RDI; |
| uintptr_t RSI; |
| |
| // stack and instruction registers |
| uintptr_t RSP; |
| uintptr_t RIP; |
| }; |
| |
| #ifdef __cplusplus |
| #include <cstddef> |
| static_assert(offsetof(marl_fiber_context, RBX) == MARL_REG_RBX, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, RBP) == MARL_REG_RBP, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, R12) == MARL_REG_R12, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, R13) == MARL_REG_R13, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, R14) == MARL_REG_R14, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, R15) == MARL_REG_R15, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, RDI) == MARL_REG_RDI, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, RSI) == MARL_REG_RSI, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, RSP) == MARL_REG_RSP, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, RIP) == MARL_REG_RIP, |
| "Bad register offset"); |
| #endif // __cplusplus |
| |
| #endif // MARL_BUILD_ASM |