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runtime: fix gdb support for channels.

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R=rsc
CC=golang-dev
https://golang.org/cl/4418043
This commit is contained in:
Luuk van Dijk 2011-04-14 15:32:20 +02:00
parent 9c3ecb3617
commit dd93df35b9
3 changed files with 11 additions and 17 deletions
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11
src/pkg/runtime/runtime-gdb.py
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@ -122,10 +122,13 @@ class ChanTypePrinter:
return str(self.val.type)
def children(self):
ptr = self.val['recvdataq']
for idx in range(self.val["qcount"]):
yield ('[%d]' % idx, ptr['elem'])
ptr = ptr['link']
# see chan.c chanbuf()
et = [x.type for x in self.val['free'].type.target().fields() if x.name == 'elem'][0]
ptr = (self.val.address + 1).cast(et.pointer())
for i in range(self.val["qcount"]):
j = (self.val["recvx"] + i) % self.val["dataqsiz"]
yield ('[%d]' % i, (ptr + j).dereference())
#
# Register all the *Printer classes above.