54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
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package loader
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import "io"
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// Proc represents a procedure in memory.
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type Proc interface {
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// Call calls the procedure. r1 and r2 contain the return value. lastErr
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// contains the Windows error value after calling.
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Call(a ...uint64) (r1, r2 uint64, lastErr error)
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// Returns the raw address of this function.
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Addr() uint64
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}
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// Memory is an interface for a block of allocated virtual memory.
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type Memory interface {
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io.ReadWriteSeeker
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io.ReaderAt
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io.WriterAt
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// Free frees the virtual memory region.
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Free()
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// Addr returns the address of the region of memory in the virtual address
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// space.
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Addr() uint64
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// Clear zeros the entire region of memory.
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Clear()
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// Protect changes the memory protection for a subregion of this allocated
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// block. It should match the semantics of the VirtualProtect function on
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// Windows.
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Protect(addr, size uint64, protect int) error
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}
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// Machine is an abstract machine interface.
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type Machine interface {
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// IsArchitectureSupported returns whether or not an architecture is
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// supported by this abstract machine. Machine is a PE machine ID.
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IsArchitectureSupported(machine int) bool
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// GetPageSize returns the size of a memory page on this abstract machine.
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GetPageSize() uint64
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// Alloc performs virtual memory allocation. It should match the semantics
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// of VirtualAlloc/VirtualFree on Windows.
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Alloc(addr, size uint64, allocType, protect int) Memory
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// MemProc returns an object for interfacing with a procedure at addr in
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// the abstract machine's virtual memory space.
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MemProc(addr uint64) Proc
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}
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