prctl.2: Some additional details regarding PR_GET_UNALIGNED operation
PATCH 1/1 prctl.2: Some additional details regarding PR_GET_UNALIGNED operation
--- man2/prctl.2 | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-)
man2/prctl.2 +10 -3
@@ -1103,20 +1103,27 @@ in the location pointed to by .TP .B PR_SET_UNALIGN (Only on: ia64, since Linux 2.3.48; parisc, since Linux 2.6.15; -PowerPC, since Linux 2.6.18; Alpha, since Linux 2.6.22) +PowerPC, since Linux 2.6.18; Alpha, since Linux 2.6.22; +.\" sh: 94ea5e449ae834af058ef005d16a8ad44fcf13d6 +.\" tile: 2f9ac29eec71a696cb0dcc5fb82c0f8d4dac28c9 +sh, since Linux 2.6.34; tile, since Linux 3.12) Set unaligned access control bits to \fIarg2\fP. Pass \fBPR_UNALIGN_NOPRINT\fP to silently fix up unaligned user accesses, or \fBPR_UNALIGN_SIGBUS\fP to generate .B SIGBUS -on unaligned user access. +on unaligned user access. Alpha also supports an additional flag with the value +of 4 and no corresponding named constant, which instructs kernel to not fix up +unaligned accesses (it is analogous to providing the +.BR UAC_NOFIX " flag in " SSI_NVPAIRS " operation of " setsysinfo +syscall on Tru64). .TP .B PR_GET_UNALIGN (see .B PR_SET_UNALIGN for information on versions and architectures) Return unaligned access control bits, in the location pointed to by -.IR "(int\ *) arg2" . +.IR "(unsigned int\ *) arg2" . .SH RETURN VALUE On success, .BR PR_GET_DUMPABLE ,
Signature · 6 lines
2.10.2 -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
On 12 December 2016 at 04:54, Eugene Syromyatnikov <[email protected]> wrote:
Looks like I replied twice to one of your mails, instead of replying once to each mail. The patch below has been applied.
Cheers,
Michael
Quoted 42 lines
--- man2/prctl.2 | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-)man2/prctl.2 +10
-4@@ -1103,20 +1103,27 @@ in the location pointed to by .TP .B PR_SET_UNALIGN (Only on: ia64, since Linux 2.3.48; parisc, since Linux 2.6.15; -PowerPC, since Linux 2.6.18; Alpha, since Linux 2.6.22) +PowerPC, since Linux 2.6.18; Alpha, since Linux 2.6.22; +.\" sh: 94ea5e449ae834af058ef005d16a8ad44fcf13d6 +.\" tile: 2f9ac29eec71a696cb0dcc5fb82c0f8d4dac28c9 +sh, since Linux 2.6.34; tile, since Linux 3.12) Set unaligned access control bits to \fIarg2\fP. Pass \fBPR_UNALIGN_NOPRINT\fP to silently fix up unaligned user accesses, or \fBPR_UNALIGN_SIGBUS\fP to generate .B SIGBUS -on unaligned user access. +on unaligned user access. Alpha also supports an additional flag with the value +of 4 and no corresponding named constant, which instructs kernel to not fix up +unaligned accesses (it is analogous to providing the +.BR UAC_NOFIX " flag in " SSI_NVPAIRS " operation of " setsysinfo +syscall on Tru64). .TP .B PR_GET_UNALIGN (see .B PR_SET_UNALIGN for information on versions and architectures) Return unaligned access control bits, in the location pointed to by -.IR "(int\ *) arg2" . +.IR "(unsigned int\ *) arg2" . .SH RETURN VALUE On success, .BR PR_GET_DUMPABLE , --2.10.2
Signature · 7 lines
Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html