41 lines
972 B
C
41 lines
972 B
C
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#pragma once
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#include <cstdint>
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#include <trampoline/types.h>
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// Common
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struct Trampoline {
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virtual ~Trampoline() = default;
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// Error Codes
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enum class Error : uint32_t {
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NONE = 0,
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// Generic
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COMMAND_TOO_BIG,
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// System Call
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SYSCALL,
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// Pipe
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MISSING_PIPE,
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INVALID_PIPE,
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PIPE_WRITE,
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PIPE_READ
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};
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// Call
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virtual Error call(uint32_t id, uint32_t *ret_ptr, uint32_t length, const unsigned char *args) = 0;
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};
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// Syscall Method
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struct SyscallTrampoline final : Trampoline {
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static bool should_use();
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Error call(uint32_t id, uint32_t *ret_ptr, uint32_t length, const unsigned char *args) override;
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};
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// Pipe Method
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struct PipeTrampoline final : Trampoline {
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PipeTrampoline();
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Error call(uint32_t id, uint32_t *ret_ptr, uint32_t length, const unsigned char *args) override;
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private:
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Error status;
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int arguments_pipe;
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int return_value_pipe;
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};
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