From: Christian Himpel <chressie@googlemail.com>
Date: Mon, 19 Nov 2012 18:22:47 +0000 (-0800)
Subject: runtime: gdb support: use parse_and_eval to get the goroutine id
X-Git-Tag: go1.1rc2~1839
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=ca8aac698f1766f80f68bcf5581361a784ef10d9;p=gostls13.git

runtime: gdb support: use parse_and_eval to get the goroutine id

This enables to loop over some goroutines, e.g. to print the
backtrace of goroutines 1 to 9:

        set $i = 1
        while $i < 10
        printf "backtrace of goroutine %d:\n", $i
        goroutine $i++ bt
        end

R=lvd, lvd
CC=golang-dev
https://golang.org/cl/6843071
---

diff --git a/src/pkg/runtime/runtime-gdb.py b/src/pkg/runtime/runtime-gdb.py
index b32a670e26..eff9a40037 100644
--- a/src/pkg/runtime/runtime-gdb.py
+++ b/src/pkg/runtime/runtime-gdb.py
@@ -375,6 +375,7 @@ class GoroutineCmd(gdb.Command):
 
 	def invoke(self, arg, from_tty):
 		goid, cmd = arg.split(None, 1)
+		goid = gdb.parse_and_eval(goid)
 		pc, sp = find_goroutine(int(goid))
 		if not pc:
 			print "No such goroutine: ", goid