Messages in this thread | | | Date | Wed, 22 Feb 2012 13:48:17 -0600 | Subject | Re: [PATCH v10 05/11] seccomp: add system call filtering using BPF | From | Will Drewry <> |
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On Wed, Feb 22, 2012 at 12:32 AM, H. Peter Anvin <hpa@zytor.com> wrote: > On 02/21/2012 09:30 AM, Will Drewry wrote: >> + >> +/** >> + * struct seccomp_data - the format the BPF program executes over. >> + * @args: up to 6 system call arguments. When the calling convention is >> + * 32-bit, the arguments will still be at each args[X] offset. >> + * @instruction_pointer: at the time of the system call. >> + * @arch: indicates system call convention as an AUDIT_ARCH_* value >> + * as defined in <linux/audit.h>. >> + * @nr: the system call number >> + */ >> +struct seccomp_data { >> + __u64 args[6]; >> + __u64 instruction_pointer; >> + __u32 arch; >> + int nr; >> +}; >> > > This got flipped around for some reason... that is a problem if we ever > need to extend this to more than 6 arguments (I thought we had at least > one architecture which supported 7 arguments already, but I could just > be delusional.)
Makes sense - I'll put it back in the proper order.
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