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__NR_SYSCALL_BASE eis 0 for EABI and is 0x900000 for OABI.
* process (change_syscall) [LINUX && ARM]: Mask off the high order bits
when changing syscall.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
Reviewed-by: Kirill A. Shutemov <kirill@shutemov.name>
* linux/errnoent.h: Change ERRNO_132 to ERFKILL according to errno 132
definition introduced in Linux 2.6.31.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This second patch in the series adds support for accept4 as a socketcall
sub-call. Besides the need to renumber all system calls, this poses
no problem.
Tested on i686.
* linux/arm/syscallent.h: Add accept4 socketcall.
* linux/m68k/syscallent.h: Likewise.
* linux/powerpc/syscallent.h: Likewise.
* linux/s390/syscallent.h: Likewise.
* linux/s390x/syscallent.h: Likewise.
* linux/sh/syscallent.h: Likewise.
* linux/sh64/syscallent.h: Likewise.
* linux/sparc/syscallent.h: Likewise.
* linux/syscallent.h: Likewise.
* linux/sparc/syscall.h (SYS_sub_accept4): Declare.
(SYS_socket_nsubcalls): Update.
* linux/syscall.h: Likewise.
This patch changes the paccept syscall to accept4 for x86-64, since
the former was dropped in Linux kernel commit v2.6.27-rc7-14-g2d4c826.
At the same time, it adds support for pretty printing its arguments.
* linux/x86_64/syscallent.h: Replace paccept with accept4,
hook in sys_accept4.
* net.c (sys_accept): Leave a small stub calling the new...
(do_accept): ... function, which also adds a flags_arg argument.
(sys_accept4): New.
* configure.ac: Reformat AC_CHECK_HEADERS to keep it sorted and
easily updated, and reduce merging errors in the future.
* system.c: Convert all non-standard #ifdef checks for specific
headers to regular #ifdef HAVE_*_H checks.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Remove NULL and error check for addr parameter.
(printoldstat, printstat, printoldstat64):
Move NULL and error check for addr parameter
so that it happens before printstatsol/printstat_sparc64 calls.
by Mike Frysinger (vapier AT gentoo.org).
(sys_sram_alloc): Fix improperly used %zu:
tcp->u_arg is not a size_t, it is a long.
* net.c (printcmsghdr): Fix improperly used %zu:
struct cmsghdr::cmsg_len is not a size_t.
in "collect tasks" loop and in enclosing "collect/process" loop.
Before this patch, "strace cat" + "killall -INT strace" wasn't
making strace stop and exit. This patch restores 4.5.18 behavior
in this regard.
By Mike Frysinger (vapier AT gentoo.org)
* desc.c: Add F_SETLEASE, F_GETLEASE, F_NOTIFY,
F_DUPFD_CLOEXEC to fcntlcmds[]. Create notifyflags[] array.
(sys_fcntl): Handle new flags.
Optimize printing of open modes.
* defs.h: Declare sprint_open_modes(),
remove unused parameter in tprint_open_modes().
* desc.c (sprint_open_modes): Move fuction definition from here...
* file.c (sprint_open_modes): To here.
(tprint_open_modes): Use sprint_open_modes(), it already
generates needed string.
* ipc.c: Remove unused parameter from calls
to tprint_open_modes().
* configure.ac: Make it recognize cris.
* process.c: Define ARG_xxx constants for cris.
(change_syscall): Add support for cris.
(struct_user_offsets): Add cris-specific data.
* signal.c (sys_sigreturn): Add support for cris.
* syscall.c (get_scno): Add support for cris.
(syscall_fixup): Add support for cris.
(get_error): Add support for cris.
(syscall_enter): Add support for cris.
(force_result): While at it, fix cpp directives indentation.
* util.c (printcall): Add support for cris.
which do proper error-checking and set tcp->ptrace_errno.
In some cases, missing error checking is added.
Error handling for trace_syscall() failures and other cases
where tcp->ptrace_errno is nonzero is cleaned up a bit
and made more verbose if we see error other than ESRC.
Some comments are added or expanded.
* defs.h: Declare ptrace_cmds[]. Modify do_ptrace
declaration (last parameter is long, not void *).
* process.c: Make ptrace_cmds[] non-static.
(change_syscall): Use do_ptrace() instead of bare ptrace().
* signal.c: Use do_ptrace() instead of bare ptrace().
* strace.c: Update trace_syscall() failure handling.
* syscall.c: Use do_ptrace() instead of bare ptrace().
* util.c: Use do_ptrace() instead of bare ptrace().
Update do_ptrace() wrapper.
(str_PTRACE_xxx): New function - helper returning "PTRACE_xxx".
(do_ptrace_peekdata): New function - wrapper for PTRACE_PEEKDATA
(do_ptrace5): New function - wrapper for 5-argument ptrace calls.
* linux/ia64/signalent.h: Remove, it is identical to common signalent.h
sans "SIGRTnn" definitions which are redundant.
* linux/powerpc/signalent.h: Remove, it is identical to common signalent.h
sans outdated "SIGUNUSED" which should be "SIGSYS".
* linux/s390/signalent.h: Ditto.
* linux/s390x/signalent.h: Ditto.
* Makefile.am: Remove references to the above files.
* linux/errnoent.h: Make ERRNO_58 show EDEADLOCK for POWERPC.
* Makefile.am: Remove reference to linux/powerpc/errnoent.h.
* linux/powerpc/errnoent.h: Remove, we can use common errnoent.h now.
There was code which was trying to continue tracing
even if table expansion fails. Now we treat it as fatal
failure, so this code is removed by this change.
* defs.h: Delete TCB_FOLLOWFORK constant.
* process.c: Delete fork_tcb() and all calls of it.
* strace.c (startup_attach): Remove usage of TCB_FOLLOWFORK.
* syscall.c: Indent preprocessor directives.
* strace.c: Fix misplaced #endif.
* util.c: Indent preprocessor directives, mark code parts
which can never be reached by compilation because of
the combination of #if directives. These are likely dead code,
I want to remove them later.
