strace/pkeys.c
Eugene Syromyatnikov 98a93b46fd Add support for pkey_mprotect, pkey_alloc, pkey_free syscalls
* linux/32/syscallent.h: Add syscall entries for pkey_* calls.
* linux/64/syscallent.h: Likewise.
* linux/arm/syscallent.h: Likewise.
* linux/i386/syscallent.h: Likewise.
* linux/mips/syscallent-n32.h: Likewise.
* linux/mips/syscallent-n64.h: Likewise.
* linux/mips/syscallent-o32.h: Likewise.
* linux/x32/syscallent.h: Likewise.
* linux/x86_64/syscallent.h: Likewise.
* mem.c (do_mprotect): New function, common handler for mprotect and
pkey_mprotect.
(SYS_FUNC(mprotect)): Convert to wrapper around do_mprotect.
(SYS_FUNC(pkey_mprotect)): New function.
* xlat/pkey_access.in: New file.
* pkeys.c: New file containing implementation of pkey_alloc and
pkey_free.
* Makefile.am: Add it.
* NEWS: Mention this enhancement.
* tests/.gitignore: Add pkey_alloc, pkey_free, and pkey_mprotect.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add pkey_alloc.test, pkey_free.test, and
pkey_mprotect.test.
* tests/pkey_alloc.c: New file.
* tests/pkey_free.c: Likewise.
* tests/pkey_mprotect.c: Likewise.
* tests/pkey_alloc.test: New test.
* tests/pkey_free.test: Likewise.
* tests/pkey_mprotect.test: Likewise.
2016-11-13 21:41:58 +00:00

19 lines
284 B
C

#include "defs.h"
#include "xlat/pkey_access.h"
SYS_FUNC(pkey_alloc)
{
tprintf("%#llx, ", getarg_ull(tcp, 0));
printflags64(pkey_access, getarg_ull(tcp, 1), "PKEY_???");
return RVAL_DECODED;
}
SYS_FUNC(pkey_free)
{
tprintf("%d", (int) tcp->u_arg[0]);
return RVAL_DECODED;
}