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package proc_test
import (
"testing"
"github.com/go-delve/delve/pkg/dwarf/op"
"github.com/go-delve/delve/pkg/dwarf/regnum"
"github.com/go-delve/delve/pkg/proc"
protest "github.com/go-delve/delve/pkg/proc/test"
)
func TestSetYMMRegister(t *testing.T) {
// Checks that setting a XMM register works. This checks that the
// workaround for a bug in debugserver works.
// See issue #2767.
withTestProcess("setymmreg/", t, func(p *proc.Target, grp *proc.TargetGroup, fixture protest.Fixture) {
setFunctionBreakpoint(p, t, "main.asmFunc")
assertNoError(grp.Continue(), t, "Continue()")
getReg := func(pos string) *op.DwarfRegister {
regs := getRegisters(p, t)
arch := p.BinInfo().Arch
dregs := arch.RegistersToDwarfRegisters(0, regs)
r := dregs.Reg(regnum.AMD64_XMM0)
t.Logf("%s: %#v", pos, r)
return r
}
getReg("before")
p.CurrentThread().SetReg(regnum.AMD64_XMM0, op.DwarfRegisterFromBytes([]byte{
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44,
0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44}))
assertNoError(grp.StepInstruction(false), t, "StepInstruction")
xmm0 := getReg("after")
for i := range xmm0.Bytes {
if xmm0.Bytes[i] != 0x44 {
t.Fatalf("wrong register value")
}
}
})
}
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