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