Markos Chandras ad61ba23f1 MIPS: scall64-o32: Fix indirect syscall detection ... Commit 4c21b8fd8f (MIPS: seccomp: Handle indirect system calls (o32)) added indirect syscall detection for O32 processes running on MIPS64 but it did not work as expected. The reason is the the scall64-o32 implementation differs compared to scall32-o32. In the former, the v0 (syscall number) register contains the absolute syscall number (4000 + X) whereas in the latter it contains the relative syscall number (X). Fix the code to avoid doing an extra addition, and load the v0 register directly to the first argument for syscall_trace_enter. Moreover, set the .reorder assembler option in order to have better control on this part of the assembly code. Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Patchwork: http://patchwork.linux-mips.org/patch/7481/ Cc: <stable@vger.kernel.org> # v3.15+ Signed-off-by: James Hogan <james.hogan@imgtec.com>		2014-08-26 02:18:56 +02:00
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mips	MIPS: scall64-o32: Fix indirect syscall detection	2014-08-26 02:18:56 +02:00
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