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runtime: fix gdb support for goroutines.

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in gdb, 'info goroutines' and 'goroutine <n> <cmd> were crashing
because the 'g' and 'm' structures had changed a bit.

R=rsc
CC=golang-dev
https://golang.org/cl/4289077
This commit is contained in:
Luuk van Dijk 2011-03-28 17:34:22 +02:00
parent 6b3357129a
commit 43512e6c70
1 changed files with 6 additions and 8 deletions
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10
src/pkg/runtime/runtime-gdb.py
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@ -215,6 +215,8 @@ class IfacePrinter:
return 'string'
def to_string(self):
if self.val['data'] == 0:
return 0x0
try:
dtype = iface_dtype(self.val)
except:
@ -308,13 +310,9 @@ class GoroutinesCmd(gdb.Command):
for ptr in linked_list(gdb.parse_and_eval("'runtime.allg'"), 'alllink'):
if ptr['status'] == 6: # 'gdead'
continue
m = ptr['m']
s = ' '
if m:
pc = m['sched']['pc'].cast(vp)
sp = m['sched']['sp'].cast(vp)
if ptr['m']:
s = '*'
else:
pc = ptr['sched']['pc'].cast(vp)
sp = ptr['sched']['sp'].cast(vp)
blk = gdb.block_for_pc(long((pc)))
@ -326,7 +324,7 @@ def find_goroutine(goid):
if ptr['status'] == 6: # 'gdead'
continue
if ptr['goid'] == goid:
return [(ptr['m'] or ptr)['sched'][x].cast(vp) for x in 'pc', 'sp']
return [ptr['sched'][x].cast(vp) for x in 'pc', 'sp']
return None, None