41 lines
1.5 KiB
Go
41 lines
1.5 KiB
Go
package x86_test
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import (
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"testing"
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"git.urbach.dev/cli/q/src/cpu"
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"git.urbach.dev/cli/q/src/x86"
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"git.urbach.dev/go/assert"
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)
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func TestLoadAddress(t *testing.T) {
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usagePatterns := []struct {
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Destination cpu.Register
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Offset int
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Code []byte
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}{
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{x86.RAX, 0, []byte{0x48, 0x8D, 0x05, 0x00, 0x00, 0x00, 0x00}},
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{x86.RCX, 0, []byte{0x48, 0x8D, 0x0D, 0x00, 0x00, 0x00, 0x00}},
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{x86.RDX, 0, []byte{0x48, 0x8D, 0x15, 0x00, 0x00, 0x00, 0x00}},
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{x86.RBX, 0, []byte{0x48, 0x8D, 0x1D, 0x00, 0x00, 0x00, 0x00}},
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{x86.RSP, 0, []byte{0x48, 0x8D, 0x25, 0x00, 0x00, 0x00, 0x00}},
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{x86.RBP, 0, []byte{0x48, 0x8D, 0x2D, 0x00, 0x00, 0x00, 0x00}},
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{x86.RSI, 0, []byte{0x48, 0x8D, 0x35, 0x00, 0x00, 0x00, 0x00}},
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{x86.RDI, 0, []byte{0x48, 0x8D, 0x3D, 0x00, 0x00, 0x00, 0x00}},
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{x86.R8, 0, []byte{0x4C, 0x8D, 0x05, 0x00, 0x00, 0x00, 0x00}},
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{x86.R9, 0, []byte{0x4C, 0x8D, 0x0D, 0x00, 0x00, 0x00, 0x00}},
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{x86.R10, 0, []byte{0x4C, 0x8D, 0x15, 0x00, 0x00, 0x00, 0x00}},
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{x86.R11, 0, []byte{0x4C, 0x8D, 0x1D, 0x00, 0x00, 0x00, 0x00}},
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{x86.R12, 0, []byte{0x4C, 0x8D, 0x25, 0x00, 0x00, 0x00, 0x00}},
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{x86.R13, 0, []byte{0x4C, 0x8D, 0x2D, 0x00, 0x00, 0x00, 0x00}},
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{x86.R14, 0, []byte{0x4C, 0x8D, 0x35, 0x00, 0x00, 0x00, 0x00}},
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{x86.R15, 0, []byte{0x4C, 0x8D, 0x3D, 0x00, 0x00, 0x00, 0x00}},
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}
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for _, pattern := range usagePatterns {
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t.Logf("lea %s, [rip+%d]", pattern.Destination, pattern.Offset)
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code := x86.LoadAddress(nil, pattern.Destination, pattern.Offset)
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assert.DeepEqual(t, code, pattern.Code)
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}
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}
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