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Fix: don't call __builtin_return_address(0) on 32-bit powerpc
authorMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Tue, 24 May 2016 22:58:14 +0000 (18:58 -0400)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Thu, 26 May 2016 01:59:34 +0000 (21:59 -0400)
Invoking __builtin_return_address(0) corrupts the stack, as previously
noticed for the "ip" context. Disable its use on 32-bit powerpc
everywhere else in the lttng-ust code base.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

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