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23 lines
812 B
23 lines
812 B
#ifndef CRYPTONIGHTR_JIT_H
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#define CRYPTONIGHTR_JIT_H
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// Minimalistic JIT code generator for random math sequence in CryptonightR
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//
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// Usage:
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// - Allocate writable and executable memory
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// - Call v4_generate_JIT_code with "buf" pointed to memory allocated on previous step
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// - Call the generated code instead of "v4_random_math(code, r)", omit the "code" parameter
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typedef void (*v4_random_math_JIT_func)(uint32_t* r)
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#if defined __i386 || defined __x86_64__
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__attribute__((sysv_abi))
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#endif
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;
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// Given the random math sequence, generates machine code (x86-64) for it
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// Returns 0 if code was generated successfully
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// Returns -1 if provided buffer was too small
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int v4_generate_JIT_code(const struct V4_Instruction* code, v4_random_math_JIT_func buf, const size_t buf_size);
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#endif // CRYPTONIGHTR_JIT_H
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