51 lines
980 B
C
51 lines
980 B
C
#pragma once
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#include <stdbool.h>
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#include <stddef.h>
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enum syscall_id_t
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{
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SYSCALL_TEST = 1,
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SYSCALL_YIELD,
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SYSCALL_MMAP,
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SYSCALL_MUNMAP,
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SYSCALL_TERMINATE_SELF
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};
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typedef union
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{
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long signed_int;
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unsigned long unsigned_int;
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void *ptr;
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} syscall_arg_t;
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typedef size_t (*syscall_ptr_0_t)();
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typedef size_t (*syscall_ptr_1_t)(syscall_arg_t);
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typedef size_t (*syscall_ptr_2_t)(syscall_arg_t, syscall_arg_t);
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typedef size_t (*syscall_ptr_3_t)(syscall_arg_t, syscall_arg_t, syscall_arg_t);
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struct syscall_t
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{
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bool defined;
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int arg_count;
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int process_id;
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union
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{
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syscall_ptr_0_t func_ptr_0;
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syscall_ptr_1_t func_ptr_1;
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syscall_ptr_2_t func_ptr_2;
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syscall_ptr_3_t func_ptr_3;
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};
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};
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size_t test_syscall(syscall_arg_t str);
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size_t mmap(syscall_arg_t location, syscall_arg_t length, syscall_arg_t flags);
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size_t munmap(syscall_arg_t location, syscall_arg_t length);
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size_t terminate_self();
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