| // 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 |