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Both these arches have a rt_sigaction syscall that takes 5 args, not 4.
* linux/alpha/syscallent.h (rt_sigaction): Change nargs to 5.
* linux/sparc/syscallent.h (rt_sigaction): Change nargs to 5.
Add SE flag to execve, exit, and exit_group syscall entries.
Add SI flag to brk, execve, mmap, mprotect, mremap, munmap,
remap_file_pages, shmat, and shmdt syscall entries.
The number of pread and pwrite arguments depends on architecture and
personality. For 64bit and ilp32 it equals to 4, for unaligned
32bit it equals to 5, and for aligned 32bit it equals to 6.
* linux/aarch64/syscallent1.h: Change the number of pread and pwrite
arguments to 4.
* linux/alpha/syscallent.h: Likewise.
* linux/mips/syscallent-n32.h: Likewise.
* linux/mips/syscallent-n64.h: Likewise.
* linux/s390x/syscallent.h: Likewise.
* linux/sh64/syscallent.h: Likewise.
* linux/tile/syscallent.h: Likewise.
* linux/x32/syscallent.h: Likewise.
* linux/x86_64/syscallent.h: Likewise.
* linux/or1k/syscallent.h: Change the number of pread and pwrite
arguments to 5.
The number of preadv and pwritev arguments depends on architecture and
personality. For 64bit and ilp32 it equals to 4, for unaligned 32bit
it equals to 5, and for aligned 32bit it equals to 6.
* linux/aarch64/syscallent1.h: Change the number of preadv and pwritev
arguments to 4.
* linux/alpha/syscallent.h: Likewise.
* linux/ia64/syscallent.h: Likewise.
* linux/mips/syscallent-n32.h: Likewise.
* linux/mips/syscallent-n64.h: Likewise.
* linux/s390x/syscallent.h: Likewise.
* linux/sh64/syscallent.h: Likewise.
* linux/tile/syscallent.h: Likewise.
* linux/x32/syscallent.h: Likewise.
* linux/x86_64/syscallent.h: Likewise.
* linux/powerpc/syscallent.h: Change the number of preadv and pwritev
arguments to 6.
* linux/sh/syscallent.h: Likewise.
* linux/xtensa/syscallent.h: Likewise.
The number of fallocate arguments depends on architecture and
personality. For 64bit and ilp32 it equals to 4,
for 32bit it equals to 6.
* linux/aarch64/syscallent1.h: Change the number of fallocate arguments
to 4.
* linux/alpha/syscallent.h: Likewise.
* linux/mips/syscallent-n32.h: Likewise.
* linux/mips/syscallent-n64.h: Likewise.
* linux/s390x/syscallent.h: Likewise.
* linux/sh64/syscallent.h: Likewise.
* linux/tile/syscallent.h: Likewise.
* linux/x32/syscallent.h: Likewise.
* linux/x86_64/syscallent.h: Likewise.
* linux/microblaze/syscallent.h: Set fallocate handler and flags.
The number of fadvise64 arguments depends on architecture and
personality. For 64bit and ilp32 it equals to 4, for unaligned
32bit it equals to 5, and for aligned 32bit it equals to 6.
The number of fadvise64_64 arguments is 4 for 64bit and ilp32, for
unaligned 32bit and most of aligned 32bit it equals to 6, and for
mips o32 it equals to 7.
* linux/alpha/syscallent.h: Set fadvise64 handler.
* linux/s390/syscallent.h: Likewise.
* linux/hppa/syscallent.h: Set fadvise64_64 handler, change the number
of syscall arguments to 6.
* linux/ia64/syscallent.h: Change the number of fadvise64 arguments
to 4.
* linux/mips/syscallent-n32.h: Likewise.
* linux/tile/syscallent1.h: Change the number of fadvise64 arguments
to 5.
* linux/mips/syscallent-o32.h: Change the number of fadvise64_64
arguments to 7.
* linux/s390x/syscallent.h: Change fadvise64_64 handler. Set fadvise64
handler. Change numbers of fadvise64 and fadvise64_64 arguments to 4.
* linux/sh64/syscallent.h: Change fadvise64_64 handler.
Change numbers of fadvise64 and fadvise64_64 arguments to 4.
* linux/sparc/syscallent.h: Set fadvise64 and fadvise64_64 handlers,
change numbers of their arguments to 5 and 6.
* linux/x86_64/syscallent.h: Change fadvise64 handler.
The number of readahead arguments depends on architecture and
personality. For 64bit and ilp32 it equals to 3, for unaligned 32bit it
equals to 4, and for aligned 32bit it equals to 5.
* linux/aarch64/syscallent1.h: Set number of readahead arguments to 3.
* linux/alpha/syscallent.h: Likewise.
* linux/ia64/syscallent.h: Likewise.
* linux/s390x/syscallent.h: Likewise.
* linux/sh64/syscallent.h: Likewise.
* linux/x32/syscallent.h: Likewise.
* linux/x86_64/syscallent.h: Likewise.
* linux/or1k/syscallent.h: Set number of readahead arguments to 4.
* linux/sh/syscallent.h: Likewise.
* linux/tile/syscallent.h: Likewise.
* linux/xtensa/syscallent.h: Set number of readahead arguments to 5.
or1k was missing TM on many memory-related syscalls
sys_lookup_dcookie is 3-arg on 64-bit arches, and isn't TF
sys_recvmsg is 3-arg on all arches
sys_nfsservctl is 3-arg on all arches
sys_timerfd_create is 2-arg on all arches
sys_[f]truncate64 is 4-arg or 3-arg, never 5-arg
truncate64 is TF
sys_[l]lseek is TD
fstat[64] is TD
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Undefined syscall looked like this before this change:
{ 5, 0, printargs, "SYS_53" },
That is, "SYS_53" string had to be allocated and stored in strace binary.
Since now SCNO_IN_RANGE() macro requires sysent[scno].sys_func != NULL
for valid syscalls, we can replace printargs with NULL in such lines
and make them "invalid", thus not requiring syscall name string.
Savings on i386:
text data bss dec hex filename
237389 704 18944 257037 3ec0d strace.before
236973 704 18944 256621 3ea6d strace
Savings on mips:
336551 153692 38320 528563 810b3 strace.before
275543 153688 38320 467551 7225f strace
Tested to still decode undefined syscalls correctly (syscall no. 222 on i386).
* linux/*/syscallent.h: Replace 'printargs, "SYS_nnn"' with
'NULL, NULL'.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
The files not mentioned in changelog below had only
copyright notices fixes and indentation fixes.
* defs.h: Include <stdint.h> and <inttypes.h>.
* file.c: Do not include <inttypes.h>.
Move struct kernel_dirent declaration below top include block.
* block.c: Do not include <stdint.h> and <inttypes.h>.
* quota.c: Likewise.
* desc.c: Likewise.
* signal.c: Likewise.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* linux/dummy.h: Add aliases to printargs() for those of dummy parsers
that had no own names before.
* linux/*/syscallent.h: Use these new names instead of printargs.
* io.c (print_loff_t): New function.
(sys_sendfile64): Use it.
(splice_flags): New xlat structure.
(sys_tee, sys_splice, sys_vmsplice): New functions.
* linux/syscall.h (sys_tee, sys_splice, sys_vmsplice): Declare them.
* linux/*/syscallent.h: Use them.
* linux/*/syscallent.h: For those arches which use sys_sigreturn,
not printargs, to show [rt_]sigreturn syscall, change number of arguments
from 1 to 0: sys_sigreturn function doesn't use syscall parameters.
(I guess kernel doesn't actually _have_ any parameters for this syscall,
at least on these architectures). Do the same change for I386 and x86-64
even though they use printargs: I looked at kernel code and syscall
definitely doesn't have any parameters on these arches.
(I hesitate to change 1 to 0 params for arches I don't know -
it is remotely possible some of them do have a parameter for this syscall).
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
This unifies all the ioctlent.h's in the linux subdir while still
allowing each arch to maintain its own minor list.
The basic method is:
- each arch has linux/<arch>/ioctlent.h.in which defines only the
arch-specific ioctls;
- linux/ioctlent.h.in which defines only the common ioctls;
- at build time, these two headers are combined and sorted to produce
the linux/ioctlent.h file.
This also requires a little tweaking of the include files since the
common ioctlent.h is a built file.
* linux/ioctlent.h: Split into linux/ioctlent.h.in and
linux/i386/ioctlent.h.in, remove asm entries from the former, remove
non-asm entries from the latter.
* linux/alpha/ioctlent.h: Rename to linux/alpha/ioctlent.h.in, remove
non-asm entries.
* linux/bfin/ioctlent.h: Rename to linux/bfin/ioctlent.h.in, remove
non-asm entries.
* linux/hppa/ioctlent.h: Rename to linux/hppa/ioctlent.h.in, remove
non-asm entries.
* linux/ia64/ioctlent.h: Rename to linux/ia64/ioctlent.h.in, remove
non-asm entries.
* linux/mips/ioctlent.h: Rename to linux/mips/ioctlent.h.in, remove
non-asm entries.
* linux/powerpc/ioctlent.h: Rename to linux/powerpc/ioctlent.h.in,
remove non-asm entries.
* linux/s390/ioctlent.h: Rename to linux/s390/ioctlent.h.in, remove
non-asm entries.
* linux/sh/ioctlent.h: Rename to linux/sh/ioctlent.h.in, remove
non-asm entries.
* linux/sparc/ioctlent.h: Rename to linux/sparc/ioctlent.h.in, remove
non-asm entries.
* linux/arm/ioctlent.h.in: New file.
* linux/avr32/ioctlent.h.in: Likewise.
* linux/i386/ioctlent.h.in: Likewise.
* linux/m68k/ioctlent.h.in: Likewise.
* linux/microblaze/ioctlent.h.in: Likewise.
* linux/tile/ioctlent.h.in: Likewise.
* linux/x86_64/ioctlent.h.in: Likewise.
* linux/s390x/ioctlent.h.in: Include ioctlent.h.in instead of
ioctlent.h.
* linux/sh64/ioctlent.h.in: Likewise.
* linux/sparc64/ioctlent.h.in: Likewise.
* linux/arm/ioctlent1.h: Update ioctlent.h include.
* linux/powerpc/ioctlent1.h: Likewise.
* linux/sparc/ioctlent1.h: Likewise.
* linux/sparc64/ioctlent1.h: Likewise.
* linux/x86_64/ioctlent1.h: Likewise.
* Makefile.am (AM_CPPFLAGS): Add -I$(builddir)/$(OS).
(EXTRA_DIST): Update.
[MAINTAINER_MODE && LINUX]: Convert from ioctlent_h to ioctlent_h_in.
[LINUX]: Add $(builddir)/$(OS)/ioctlent.h generation rules.
* .gitignore: Add linux/ioctlent.h.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* defs.h (SYSCALL_NEVER_FAILS): New syscall flag.
* linux/dummy.h: Change redirection for sys_get[ug]id, sys_gete[ug]id
and setfs[ug]id.
* linux/*/syscallent.h: Set SYSCALL_NEVER_FAILS flag for get[ug]id,
gete[ug]id and setfs[ug]id syscalls.
* process.c [LINUX] (sys_getuid, sys_setfsuid): New functions.
* syscall.c (NF): New shorthand macro for use in syscallent.h files.
(get_error): Check SYSCALL_NEVER_FAILS flag.
Reported by Марк Коренберг <socketpair@gmail.com>.
