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memfd_create: add xlat styles support

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* memfd_create.c (SYS_FUNC(memfd_create)): Respect xlat_verbosity.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
This commit is contained in:
Shankara Pailoor
2018-11-25 17:10:44 -08:00
committed by Dmitry V. Levin
parent 6f9cf06b99
commit f11fb909d7
1 changed files with 15 additions and 1 deletions
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16
memfd_create.c
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@ -48,17 +48,31 @@ SYS_FUNC(memfd_create)
tprints(", ");
unsigned int flags = tcp->u_arg[1];
if (!flags || xlat_verbose(xlat_verbosity) != XLAT_STYLE_ABBREV)
tprintf("%#x", flags);
if (!flags || xlat_verbose(xlat_verbosity) == XLAT_STYLE_RAW)
return RVAL_DECODED | RVAL_FD;
if (xlat_verbose(xlat_verbosity) == XLAT_STYLE_VERBOSE)
tprints(" /* ");
const unsigned int mask = MFD_HUGE_MASK << MFD_HUGE_SHIFT;
const unsigned int hugetlb_value = flags & mask;
flags &= ~mask;
if (flags || !hugetlb_value)
printflags(memfd_create_flags, flags, "MFD_???");
printflags_ex(flags, "MFD_???", XLAT_STYLE_ABBREV,
memfd_create_flags, NULL);
if (hugetlb_value)
tprintf("%s%u<<MFD_HUGE_SHIFT",
flags ? "|" : "",
hugetlb_value >> MFD_HUGE_SHIFT);
if (xlat_verbose(xlat_verbosity) == XLAT_STYLE_VERBOSE)
tprints(" */");
return RVAL_DECODED | RVAL_FD;
}