From 05b6118139d880a5bced23da9d07bdb0db8e7084 Mon Sep 17 00:00:00 2001
From: Alessandro Arzilli <alessandro.arzilli@gmail.com>
Date: Thu, 4 Jun 2020 16:59:06 +0200
Subject: debug/dwarf: add support for DWARFv5 to (*Data).Ranges

Updates the (*Data).Ranges method to work with DWARFv5 which uses the
new debug_rnglists section instead of debug_ranges.

This does not include supporting DW_FORM_rnglistx.

General support for DWARFv5 was added by CL 175138.

Change-Id: I01f919a865616a3ff12f5bf649c2c9abf89fcf52
Reviewed-on: https://go-review.googlesource.com/c/go/+/236657
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Emmanuel Odeke <emm.odeke@gmail.com>
---
 src/debug/dwarf/const.go | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'src/debug/dwarf/const.go')

diff --git a/src/debug/dwarf/const.go b/src/debug/dwarf/const.go
index b11bf90c37..c60709199b 100644
--- a/src/debug/dwarf/const.go
+++ b/src/debug/dwarf/const.go
@@ -461,3 +461,15 @@ const (
 	utSplitCompile = 0x05
 	utSplitType    = 0x06
 )
+
+// Opcodes for DWARFv5 debug_rnglists section.
+const (
+	rleEndOfList    = 0x0
+	rleBaseAddressx = 0x1
+	rleStartxEndx   = 0x2
+	rleStartxLength = 0x3
+	rleOffsetPair   = 0x4
+	rleBaseAddress  = 0x5
+	rleStartEnd     = 0x6
+	rleStartLength  = 0x7
+)
-- 
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