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add Symbol type to operand

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This commit is contained in:
Michael McLoughlin
2018-12-06 17:26:33 -08:00
parent e42eb1fb8c
commit 676ec39c51
5 changed files with 61 additions and 7 deletions
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22
operand/types_test.go
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@@ -7,6 +7,23 @@ import (
"github.com/mmcloughlin/avo/reg"
)
func TestSymbolString(t *testing.T) {
cases := []struct {
Symbol Symbol
Expect string
}{
{Symbol{}, ""},
{Symbol{Name: "name"}, "name"},
{Symbol{Name: "static", Static: true}, "static<>"},
}
for _, c := range cases {
got := c.Symbol.String()
if got != c.Expect {
t.Errorf("%#v.String() = %s expected %s", c.Symbol, got, c.Expect)
}
}
}
func TestMemAsm(t *testing.T) {
cases := []struct {
Mem Mem
@@ -14,11 +31,16 @@ func TestMemAsm(t *testing.T) {
}{
{Mem{Base: reg.EAX}, "(AX)"},
{Mem{Disp: 16, Base: reg.RAX}, "16(AX)"},
{Mem{Disp: -7, Base: reg.RAX}, "-7(AX)"},
{Mem{Base: reg.R11, Index: reg.RAX, Scale: 4}, "(R11)(AX*4)"},
{Mem{Base: reg.R11, Index: reg.RAX, Scale: 1}, "(R11)(AX*1)"},
{Mem{Base: reg.R11, Index: reg.RAX}, "(R11)"},
{Mem{Base: reg.R11, Scale: 8}, "(R11)"},
{Mem{Disp: 2048, Base: reg.R11, Index: reg.RAX, Scale: 8}, "2048(R11)(AX*8)"},
{Mem{Symbol: Symbol{Name: "foo"}, Base: reg.StaticBase}, "foo(SB)"},
{Mem{Symbol: Symbol{Name: "foo"}, Base: reg.StaticBase, Disp: 4}, "foo+4(SB)"},
{Mem{Symbol: Symbol{Name: "foo"}, Base: reg.StaticBase, Disp: -7}, "foo-7(SB)"},
{Mem{Symbol: Symbol{Name: "bar", Static: true}, Base: reg.StaticBase, Disp: 4, Index: reg.R11, Scale: 4}, "bar<>+4(SB)(R11*4)"},
}
for _, c := range cases {
got := c.Mem.Asm()