46 lines
1.0 KiB
Go
46 lines
1.0 KiB
Go
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package frame
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import (
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"path/filepath"
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"testing"
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"github.com/derekparker/dbg/dwarf/_helper"
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)
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func TestFDEForPC(t *testing.T) {
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fde1 := &FrameDescriptionEntry{AddressRange: &addrange{begin: 100, end: 200}}
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fde2 := &FrameDescriptionEntry{AddressRange: &addrange{begin: 50, end: 99}}
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fde3 := &FrameDescriptionEntry{AddressRange: &addrange{begin: 0, end: 49}}
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fde4 := &FrameDescriptionEntry{AddressRange: &addrange{begin: 201, end: 245}}
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tree := NewFrameIndex()
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tree.Put(fde1)
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tree.Put(fde2)
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tree.Put(fde3)
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tree.Put(fde4)
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fde, ok := tree.Find(35)
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if !ok {
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t.Fatal("Could not find FDE")
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}
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if fde != fde3 {
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t.Fatal("Got incorrect fde")
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}
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}
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func BenchmarkFDEForPC(b *testing.B) {
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var (
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testfile, _ = filepath.Abs("../../_fixtures/testnextprog")
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dbframe = dwarfhelper.GrabDebugFrameSection(testfile, b)
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fdes = Parse(dbframe)
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gsd = dwarfhelper.GosymData(testfile, b)
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)
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pc, _, _ := gsd.LineToPC("/usr/local/go/src/pkg/runtime/memmove_amd64.s", 33)
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for i := 0; i < b.N; i++ {
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_, _ = fdes.FDEForPC(pc)
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}
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}
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