| // Copyright 2020 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_a0 0x00 |
| #define MARL_REG_a1 0x08 |
| #define MARL_REG_s0 0x10 |
| #define MARL_REG_s1 0x18 |
| #define MARL_REG_s2 0x20 |
| #define MARL_REG_s3 0x28 |
| #define MARL_REG_s4 0x30 |
| #define MARL_REG_s5 0x38 |
| #define MARL_REG_s6 0x40 |
| #define MARL_REG_s7 0x48 |
| #define MARL_REG_f24 0x50 |
| #define MARL_REG_f25 0x58 |
| #define MARL_REG_f26 0x60 |
| #define MARL_REG_f27 0x68 |
| #define MARL_REG_f28 0x70 |
| #define MARL_REG_f29 0x78 |
| #define MARL_REG_f30 0x80 |
| #define MARL_REG_f31 0x88 |
| #define MARL_REG_gp 0x90 |
| #define MARL_REG_sp 0x98 |
| #define MARL_REG_fp 0xa0 |
| #define MARL_REG_ra 0xa8 |
| |
| #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 { |
| // parameter registers (First two) |
| uintptr_t a0; |
| uintptr_t a1; |
| |
| // callee-saved registers |
| uintptr_t s0; |
| uintptr_t s1; |
| uintptr_t s2; |
| uintptr_t s3; |
| uintptr_t s4; |
| uintptr_t s5; |
| uintptr_t s6; |
| uintptr_t s7; |
| |
| uintptr_t f24; |
| uintptr_t f25; |
| uintptr_t f26; |
| uintptr_t f27; |
| uintptr_t f28; |
| uintptr_t f29; |
| uintptr_t f30; |
| uintptr_t f31; |
| |
| uintptr_t gp; |
| uintptr_t sp; |
| uintptr_t fp; |
| uintptr_t ra; |
| }; |
| |
| #ifdef __cplusplus |
| #include <cstddef> |
| static_assert(offsetof(marl_fiber_context, a0) == MARL_REG_a0, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, a1) == MARL_REG_a1, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, s0) == MARL_REG_s0, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, s1) == MARL_REG_s1, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, s2) == MARL_REG_s2, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, s3) == MARL_REG_s3, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, s4) == MARL_REG_s4, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, s5) == MARL_REG_s5, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, s6) == MARL_REG_s6, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, s7) == MARL_REG_s7, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, f24) == MARL_REG_f24, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, f25) == MARL_REG_f25, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, f26) == MARL_REG_f26, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, f27) == MARL_REG_f27, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, f28) == MARL_REG_f28, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, f29) == MARL_REG_f29, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, f30) == MARL_REG_f30, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, f31) == MARL_REG_f31, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, gp) == MARL_REG_gp, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, sp) == MARL_REG_sp, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, fp) == MARL_REG_fp, |
| "Bad register offset"); |
| static_assert(offsetof(marl_fiber_context, ra) == MARL_REG_ra, |
| "Bad register offset"); |
| #endif // __cplusplus |
| |
| #endif // MARL_BUILD_ASM |