37 lines
708 B
Go
37 lines
708 B
Go
package asmc
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import (
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"strings"
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"git.akyoto.dev/cli/q/src/asm"
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"git.akyoto.dev/cli/q/src/x86"
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)
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func (c *compiler) dllCall(x asm.Instruction) {
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size := 4
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c.code = x86.CallAtAddress(c.code, 0x00_00_00_00)
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position := len(c.code) - size
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label := x.Data.(*asm.Label)
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pointer := &pointer{
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Position: Address(position),
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OpSize: 2,
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Size: uint8(size),
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}
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pointer.Resolve = func() Address {
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dot := strings.Index(label.Name, ".")
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library := label.Name[:dot]
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funcName := label.Name[dot+1:]
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index := c.dlls.Index(library, funcName)
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if index == -1 {
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panic("unknown DLL function " + label.Name)
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}
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return Address(index * 8)
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}
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c.dllPointers = append(c.dllPointers, pointer)
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}
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