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https://github.com/sliverarmory/reflektor
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moloch--
23 lines
527 B
Go
23 lines
527 B
Go
//go:build linux && !android && riscv64
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package memmod
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import (
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"fmt"
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"golang.org/x/sys/unix"
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)
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func flushLinuxInstructionCache(start, end uintptr) error {
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if start >= end {
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return nil
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}
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// A process-wide flush is required because the Go scheduler may resume the
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// export call on a different hart from the one that populated the mapping.
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_, _, errno := unix.Syscall(unix.SYS_RISCV_FLUSH_ICACHE, start, end, 0)
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if errno != 0 {
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return fmt.Errorf("flush executable instruction cache: %w", errno)
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}
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return nil
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}
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