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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 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.
* desc.c (printflock) [X32]: Add special handling required for
this architecture with sizeof(long) < sizeof(off_t).
* file.c [X32] (struct stat64): Add __attribute__((packed)).
[X32] (HAVE_STAT64): Define.
(printstat) [X32]: Redirect to printstat64.
(printstat64) [X32]: Use "struct stat" instead of "struct stat64".
[X32] (realprintstat64): Rename to printstat64_x32.
(sys_stat64, sys_fstat64) [X32]: Remove second definitions of these
functions. Call printstat64_x32 instead of printstat64
* linux/x32/syscallent.h: Fix handlers for truncate and ftruncate.
The file linux/ioctlent.h is generated in the build directory, so
"../ioctlent.h" won't find it.
* linux/aarch64/ioctlent1.h: Remove "../" from include file name.
* linux/powerpc/ioctlent1.h: Likewise.
* linux/tile/ioctlent1.h: Likewise.
* linux/x32/ioctlent1.h: Likewise.
* linux/x86_64/ioctlent1.h: Likewise.
* linux/x86_64/ioctlent2.h: Likewise.
Signed-off-by: Andreas Schwab <schwab@suse.de>
sendfile parser used to decode off_t* parameter as a pointer to host
off_t type. With this change, it is decoded as a pointer to target long
type.
* io.c (print_off_t): New function.
(sys_sendfile): Use it.
* linux/aarch64/syscallent1.h: Use sys_sendfile64 for sendfile decoding.
* linux/tile/syscallent.h: Likewise.
* linux/x32/syscallent.h: Likewise.
* linux/x86_64/syscallent.h: Likewise.
* linux/hppa/syscallent.h: Use sys_sendfile64 for sendfile64 decoding.
* linux/metag/syscallent.h: Correct sendfile syscall name.
* linux/or1k/syscallent.h: Likewise.
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>
While at it, fix some comments which say
"we use i386 syscalls/ioctls/errnos" but in reality
common ones are used.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Since someone can invoke these entry points directly with syscall(),
at least decode their name and show that they're 64bit versions rather
than just showing syscall_###.
* linux/x32/syscallent.h: Sync all missing entries below 312 with x86_64.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Starting with linux 3.6 (and backported to earlier kernels), these two
syscalls have changed numbers (moving from native to compat entry points).
Update the strace syscall list accordingly.
* linux/x32/syscallent.h: Move setsockopt from 54 to 541, and move
getsockopt from 55 to 542.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This syncs with the syscall table as it is in linux 3.4.
* linux/x32/syscallent.h (59): Fix comment typo.
(78): Add missing getdents entry.
(174): Delete create_module entry (not in the kernel).
(181, 182, 183, 184, 185): Add missing entries.
(524, 536, 539, 540): Fix spacing.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* Makefile.am (EXTRA_DIST): Add linux/x32/errnoent1.h,
linux/x32/ioctlent1.h, linux/x32/signalent1.h and
linux/x32/syscallent1.h.
* configure.ac: Remove AC_GNU_SOURCE, obsoleted by
AC_USE_SYSTEM_EXTENSIONS.
* defs.h (SUPPORTED_PERSONALITIES): Set to 2 for X32.
(PERSONALITY1_WORDSIZE): Set to 4 for X32.
* file.c (stat64): New struct for X32.
(sys_lseek32): New function for X32.
(stat64): Undef.
(sys_fstat64): Likewise.
(sys_stat64): Likewise.
(realprintstat64): New function for X32.
(sys_fstat64): Likewise.
(sys_stat64): Likewise.
* mem.c (sys_old_mmap): New function for X32.
* pathtrace.c (pathtrace_match): Also check sys_old_mmap for X32.
* syscall.c (update_personality): Add X32 support.
(get_scno): Support currpers == 1 for X32.
* linux/syscall.h (sys_lseek32): New function prototype for X32.
* linux/x32/errnoent1.h: New file.
* linux/x32/ioctlent1.h: Likewise.
* linux/x32/signalent1.h: Likewise.
* linux/x32/syscallent1.h: Likewise.
X32 support is added to Linux kernel 3.4. In a nutshell, x32 is x86-64 with
32bit pointers. At system call level, x32 is also identical to x86-64,
as shown by many changes like "defined(X86_64) || defined(X32)". The
main differerence bewteen x32 and x86-64 is off_t in x32 is long long
instead of long.
This patch adds x32 support to strace. Tested on Linux/x32.
* configure.ac: Support X32.
* defs.h: Set SUPPORTED_PERSONALITIES to 3 for X86_64,
Set PERSONALITY2_WORDSIZE to 4 for X86_64.
Add tcb::ext_arg for X32.
* file.c (stat): New for X32.
(sys_lseek): Use 64-bit version for X32.
(printstat64): Check current_personality != 1 for X86_64.
* ipc.c (indirect_ipccall): Check current_personality == 1
for X86_64.
* mem.c (sys_mmap64): Also use tcp->u_arg for X32. Print NULL
for zero address. Call printllval for offset for X32.
* pathtrace.c (pathtrace_match): Don't check sys_old_mmap for
X32.
* process.c (ARG_FLAGS): Defined for X32.
(ARG_STACK): Likewise.
(ARG_PTID): Likewise.
(change_syscall): Handle X32.
(struct_user_offsets): Support X32.
(sys_arch_prctl): Likewise.
* signal.c: Include <asm/sigcontext.h> for X32.
(SA_RESTORER): Also define for X32.
* syscall.c (update_personality): Support X32 for X86_64.
(is_restart_error): Likewise.
(syscall_fixup_on_sysenter): Likewise.
(get_syscall_args): Likewise.
(get_syscall_result): Likewise.
(get_error): Likewise.
(__X32_SYSCALL_BIT): Define if not defined.
(__X32_SYSCALL_MASK): Likewise.
(get_scno): Check DS register value for X32. Use
__X32_SYSCALL_MASK on X32 system calls.
* util.c (printllval): Use ext_arg for X32.
(printcall): Support X32.
(change_syscall): Likewise.
(arg0_offset): Likewise.
(arg1_offset): Likewise.
* Makefile.am (EXTRA_DIST): Add linux/x32/errnoent.h,
linux/x32/ioctlent.h.in, linux/x32/signalent.h,
linux/x32/syscallent.h, linux/x86_64/errnoent2.h,
linux/x86_64/ioctlent2.h, linux/x86_64/signalent2.h and
linux/x86_64/syscallent2.h.
* linux/x32/errnoent.h: New.
* linux/x32/ioctlent.h.in: Likewise.
* linux/x32/signalent.h: Likewise.
* linux/x32/syscallent.h: Likewise.
* linux/x86_64/errnoent2.h: Likewise.
* linux/x86_64/ioctlent2.h: Likewise.
* linux/x86_64/signalent2.h: Likewise.
* linux/x86_64/syscallent2.h: Likewise.
Signed-off-by: H.J. Lu <hongjiu.lu@intel.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
