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Re: status of Darwin support


On Aug 11, 2009, at 7:06 AM, Paul Pluzhnikov wrote:

On Mon, Aug 10, 2009 at 1:20 PM, Paul Pluzhnikov<ppluzhnikov@google.com > wrote:

I will try to reproduce the Darwin failure, but I won't get to my Mac
until later tonight.

I couldn't get GDB to even run the program:

../gdb ../a.out
GNU gdb (GDB) 6.8.50.20090811-cvs
...
(gdb) r
Starting program: /Users/ppluzhnikov/gdb-cvs/build/gdb/a.out
Unable to find Mach task port for process-id 98005: (os/kern) failure (0x5).
(please check gdb is setgid procmod)
(gdb) q

This even if I make GDB suid-root (I also tried setgid procmod):
ls -l ../gdb
-rwsr-sr-x  1 root  wheel  4075816 Aug 10 20:21 ../gdb

IIRC root/wheel doesn't work. You need setgid procmod only.

Which version of MacOS-X are you using ?

Error 5 is EIO in /usr/include/sys/errno.h

Except this is not a unix error number but a Mach one :-)

Tristan.

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