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38 lines
757 B
38 lines
757 B
4 years ago
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#pragma once
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#include <assert.h>
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#include <stdint.h>
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#include <string.h>
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#include <ucontext.h>
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#include <unistd.h>
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#include "software_interrupt.h"
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/*
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* This file contains the common dependencies of the architecture-dependent code
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*/
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typedef uint64_t reg_t;
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/* Userspace Registers. */
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enum UREGS
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{
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UREG_RSP = 0,
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UREG_RIP = 1,
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UREG_COUNT
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};
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struct arch_context {
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reg_t regs[UREG_COUNT];
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mcontext_t mctx;
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};
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/*
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* This is the slowpath switch to a preempted sandbox!
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* SIGUSR1 on the current thread and restore mcontext there!
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*/
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extern __thread struct arch_context worker_thread_base_context;
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/* Cannot be inlined because called in Assembly */
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void __attribute__((noinline)) __attribute__((noreturn)) arch_context_mcontext_restore(void);
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