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// 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_r0 0x00
#define MARL_REG_r1 0x04
#define MARL_REG_r12 0x08
#define MARL_REG_r4 0x0c
#define MARL_REG_r5 0x10
#define MARL_REG_r6 0x14
#define MARL_REG_r7 0x18
#define MARL_REG_r8 0x1c
#define MARL_REG_r9 0x20
#define MARL_REG_r10 0x24
#define MARL_REG_r11 0x28
#define MARL_REG_v8 0x2c
#define MARL_REG_v9 0x30
#define MARL_REG_v10 0x34
#define MARL_REG_v11 0x38
#define MARL_REG_v12 0x3c
#define MARL_REG_v13 0x40
#define MARL_REG_v14 0x44
#define MARL_REG_v15 0x48
#define MARL_REG_SP 0x4c
#define MARL_REG_LR 0x50
#ifndef MARL_BUILD_ASM
#include <stdint.h>
// Procedure Call Standard for the ARM 64-bit Architecture
// http://infocenter.arm.com/help/topic/com.arm.doc.ihi0055b/IHI0055B_aapcs64.pdf
struct marl_fiber_context {
// parameter registers
uintptr_t r0;
uintptr_t r1;
// special purpose registers
uintptr_t r12; // Intra-Procedure-call
// callee-saved registers
uintptr_t r4;
uintptr_t r5;
uintptr_t r6;
uintptr_t r7;
uintptr_t r8;
uintptr_t r9;
uintptr_t r10;
uintptr_t r11;
uintptr_t v8;
uintptr_t v9;
uintptr_t v10;
uintptr_t v11;
uintptr_t v12;
uintptr_t v13;
uintptr_t v14;
uintptr_t v15;
uintptr_t SP; // stack pointer (r13)
uintptr_t LR; // link register (r14)
};
#ifdef __cplusplus
#include <cstddef>
static_assert(offsetof(marl_fiber_context, r0) == MARL_REG_r0,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, r1) == MARL_REG_r1,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, r12) == MARL_REG_r12,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, r4) == MARL_REG_r4,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, r5) == MARL_REG_r5,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, r6) == MARL_REG_r6,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, r7) == MARL_REG_r7,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, r8) == MARL_REG_r8,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, r9) == MARL_REG_r9,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, r10) == MARL_REG_r10,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, r11) == MARL_REG_r11,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, v8) == MARL_REG_v8,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, v9) == MARL_REG_v9,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, v10) == MARL_REG_v10,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, v11) == MARL_REG_v11,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, v12) == MARL_REG_v12,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, v13) == MARL_REG_v13,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, v14) == MARL_REG_v14,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, v15) == MARL_REG_v15,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, SP) == MARL_REG_SP,
"Bad register offset");
static_assert(offsetof(marl_fiber_context, LR) == MARL_REG_LR,
"Bad register offset");
#endif // __cplusplus
#endif // MARL_BUILD_ASM