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authorMarcin Nowakowski <marcin.nowakowski@imgtec.com>2016-08-11 09:02:30 +0200
committerRalf Baechle <ralf@linux-mips.org>2016-09-13 14:13:26 +0200
commit2809328f6ef2139115665dda1b83ee9303c52431 (patch)
tree326cf2150be2ab513c4bb9321b96c9ee30b2de26 /Documentation/x86
parente3b23148fd8af277fd55068183ed3ce4c8f51aa5 (diff)
MIPS: uprobes: fix incorrect uprobe brk handling
When a uprobe-replacement breakpoint instruction is handled, a notifier is called with DIE_UPROBE argument, but a corresponding exception notify handler for MIPS attempts to handle DIE_BREAK instead. As a result the breakpoint instruction isn't handled by the uprobe code and the probed application terminates with SIGTRAP. Fix this by changing arch_uprobe_exception_notify code to handle DIE_UPROBE as a pre-singlestep condition instead of DIE_BREAK. Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/13884/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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