improved dwarf error message when debugging info is not present.

glzbcrt · glzbcrt · commit 384e5481c72f · 2024-11-09T06:08:37.000-03:00
diff --git a/src/debug/dwarf/open.go b/src/debug/dwarf/open.go
@@ -79,7 +79,7 @@ func New(abbrev, aranges, frame, info, line, pubnames, ranges, str []byte) (*Dat
 	// 32-bit DWARF: 4 byte length, 2 byte version.
 	// 64-bit DWARf: 4 bytes of 0xff, 8 byte length, 2 byte version.
 	if len(d.info) < 6 {
-		return nil, DecodeError{"info", Offset(len(d.info)), "too short. make sure you compiled with debugging information."}
+		return nil, DecodeError{"info", Offset(len(d.info)), "no debugging information found."}
 	}
 	offset := 4
 	if d.info[0] == 0xff && d.info[1] == 0xff && d.info[2] == 0xff && d.info[3] == 0xff {

Original file line number	Diff line number	Diff line change
`@@ -79,7 +79,7 @@ func New(abbrev, aranges, frame, info, line, pubnames, ranges, str []byte) (*Dat`
`79`	`79`	`// 32-bit DWARF: 4 byte length, 2 byte version.`
`80`	`80`	`// 64-bit DWARf: 4 bytes of 0xff, 8 byte length, 2 byte version.`
`81`	`81`	`if len(d.info) < 6 {`
`82`		`- return nil, DecodeError{"info", Offset(len(d.info)), "too short. make sure you compiled with debugging information."}`
	`82`	`+ return nil, DecodeError{"info", Offset(len(d.info)), "no debugging information found."}`
`83`	`83`	`}`
`84`	`84`	`offset := 4`
`85`	`85`	`if d.info[0] == 0xff && d.info[1] == 0xff && d.info[2] == 0xff && d.info[3] == 0xff {`