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Refactor: Implement red/black tree for FDE lookup

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This commit is contained in:
Derek Parker
2014-08-04 18:02:08 -05:00
parent 8a5865e5d0
commit c59f19cfb2
7 changed files with 219 additions and 63 deletions
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53
dwarf/frame/frame_parser_test.go
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@ -4,45 +4,46 @@ import (
"testing"
"github.com/davecheney/profile"
"github.com/derekparker/dbg/dwarf/_helper"
"github.com/derekparker/dbg/dwarf/frame"
)
func TestParse(t *testing.T) {
var (
data = grabDebugFrameSection("../../_fixtures/testprog", t)
fe = frame.Parse(data)[0]
ce = fe.CIE
)
// func TestParse(t *testing.T) {
// var (
// data = dwarfhelper.GrabDebugFrameSection("../../_fixtures/testprog", t)
// fe = frame.Parse(data)[0]
// ce = fe.CIE
// )
if ce.Length != 16 {
t.Error("Length was not parsed correctly, got ", ce.Length)
}
// if ce.Length != 16 {
// t.Error("Length was not parsed correctly, got ", ce.Length)
// }
if ce.Version != 0x3 {
t.Fatalf("Version was not parsed correctly expected %#v got %#v", 0x3, ce.Version)
}
// if ce.Version != 0x3 {
// t.Fatalf("Version was not parsed correctly expected %#v got %#v", 0x3, ce.Version)
// }
if ce.Augmentation != "" {
t.Fatal("Augmentation was not parsed correctly")
}
// if ce.Augmentation != "" {
// t.Fatal("Augmentation was not parsed correctly")
// }
if ce.CodeAlignmentFactor != 0x1 {
t.Fatal("Code Alignment Factor was not parsed correctly")
}
// if ce.CodeAlignmentFactor != 0x1 {
// t.Fatal("Code Alignment Factor was not parsed correctly")
// }
if ce.DataAlignmentFactor != -4 {
t.Fatalf("Data Alignment Factor was not parsed correctly got %#v", ce.DataAlignmentFactor)
}
// if ce.DataAlignmentFactor != -4 {
// t.Fatalf("Data Alignment Factor was not parsed correctly got %#v", ce.DataAlignmentFactor)
// }
if fe.Length != 32 {
t.Fatal("Length was not parsed correctly, got ", fe.Length)
}
// if fe.Length != 32 {
// t.Fatal("Length was not parsed correctly, got ", fe.Length)
// }
}
// }
func BenchmarkParse(b *testing.B) {
defer profile.Start(profile.CPUProfile).Stop()
data := grabDebugFrameSection("../../_fixtures/testprog", nil)
data := dwarfhelper.GrabDebugFrameSection("../../_fixtures/testprog", nil)
b.ResetTimer()
for i := 0; i < b.N; i++ {