Dmitry V. Levin [Wed, 31 Mar 2010 22:22:01 +0000 (22:22 +0000)]
Fix msgsnd indirect ipccall decoding
This regression was introduced by commit v4.5.18-136-g783f5bc.
* ipc.c (tprint_msgsnd): Add and use "flags" argument.
(sys_msgsnd): Pass "flags" argument to tprint_msgsnd().
Patch by Anton Blanchard.
* debian/control: add sparc64 to the architectures list.
This closes Debian bug #560062
* Backport commit f0df31e71a58c6e79ba77c1a9d84b2f38d44bec7 to fix FTBFS.
This closes Debian bug #560516
* debian/control: Update standards-version to 3.8.3.
* debian/control: Lower package priority to optional, matching
the archive override.
* debian/control: add ${misc:Depends} to Depends: lines where
appropriate.
* debian/watch: new file, allows automatic tracking of new
upstream versions.
* debian/source/format: new file, adapt to debian source format "quilt"
* debian/rules: indentation cleanups; use dh_testroot and dh_prep
in clean target.
Fix handling of Linux systems without struct statfs64
* acinclude.m4 (AC_STATFS64): New macro to check for struct statfs64.
* configure.ac: Call AC_STATFS64.
* file.c (printstatfs64, sys_statfs64, sys_fstatfs64): Compile only
if struct statfs64 is available.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Andreas Schwab [Tue, 27 Oct 2009 15:27:13 +0000 (16:27 +0100)]
Maintain separate print column for each process
* defs.h (struct tcp): Add curcol.
* strace.c: (alloc_tcb): Initialize it.
(trace): Use curcol from current process and save it before
continuing.
(tprintf): Don't modify curcol on output error.
Andreas Schwab [Fri, 16 Oct 2009 09:37:13 +0000 (11:37 +0200)]
Fix decoding of newfstatat syscall on x86-64
* file.c (printstat64) [LINUX && X68_64]: If tracing a 64-bit
process redirect to printstat.
Fixes RH#529316 "Field values shown for "newfstatat" system
call are incorrect"
Mike Frysinger [Mon, 12 Oct 2009 15:05:14 +0000 (11:05 -0400)]
sparc/linux: Rewrite to use asm/ptrace.h
The current sparc/linux code uses asm/reg.h, but recent Linux kernels
dropped that header completely. So switch over to the ptrace headers
as those should stick around indefinitely as part of the ABI.
* defs.h [LINUXSPARC] (U_REG_G1, U_REG_O0, U_REG_O1): Define.
* process.c: Drop asm/regs.h include.
[SPARC || SPARC64] (change_syscall): Change struct regs to struct pt_regs.
* signal.c: Drop asm/regs.h include.
(m_siginfo_t): Unify [SPARC || SPARC64] and [MIPS].
[SPARC || SPARC64] (sys_sigreturn): Change struct regs to struct pt_regs.
* syscall.c: Drop asm/regs.h include.
[SPARC || SPARC64] (internal_syscall, get_scno, get_error, force_result,
syscall_enter): Change struct regs to struct pt_regs.
* util.c: Drop asm/regs.h include.
(_hack_syscall5, _ptrace): Delete.
[SPARC || SPARC64] (getpc, printcall, arg_setup_state): Change
struct regs to struct pt_regs.
Mike Frysinger [Thu, 8 Oct 2009 00:41:29 +0000 (20:41 -0400)]
Add support for Linux/no-mmu with vfork
* configure.ac (AC_CHECK_FUNCS): Add fork.
* strace.c (strace_vforked): Define.
(startup_child): Do not raise SIGSTOP if vforked.
(trace): Skip first exec when starting up after vforked.
* syscall.c [BFIN] (get_scno): Drop waitexec checks.
Mike Frysinger [Thu, 8 Oct 2009 00:41:56 +0000 (20:41 -0400)]
Avoid malloc(0) in getdents parsers
On end of directory, getdents returns 0. This return value is used to
then try and do malloc(0), but on some systems this will always return
NULL. Since the code won't read the pointer in question if len is 0,
then don't bother calling malloc(0) and set the pointer to NULL ourself.
* file.c (sys_getdents, sys_getdents64): Avoid malloc(0) call.
* debian/rules: Do not ship ChangeLog anymore.
* debian/control: Update to Debian standards version 3.8.1, and remove
Roland from the Maintainers list. This closes Debian bug #521458.
* debian/changelog: Document changes and prepare for release.
__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>
Paolo Bonzini [Fri, 14 Aug 2009 10:34:06 +0000 (12:34 +0200)]
Add accept4 socketcall
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.
Paolo Bonzini [Fri, 14 Aug 2009 10:34:05 +0000 (12:34 +0200)]
Replace x86-64 paccept with accept4
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.
Dmitry V. Levin [Mon, 1 Jun 2009 09:59:11 +0000 (09:59 +0000)]
Clean up header checks
* 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>
* strace.c (printstatsol, printstat_sparc64):
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.
* signal (sys_rt_sigaction): Print struct sigaction correctly
in 32/64 environment.
* desc.c (printflock): Add #ifdefs around earlier flock 32/64 fix
so that we don't waste time on arches with one personality.
Denys Vlasenko [Mon, 23 Mar 2009 13:12:46 +0000 (13:12 +0000)]
* system.c (sram_alloc_flag): Add L2_SRAM constant.
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.
Denys Vlasenko [Fri, 20 Mar 2009 13:28:00 +0000 (13:28 +0000)]
As it turned out, "if (interrupted) break;" is needed in both loops,
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.
Denys Vlasenko [Tue, 17 Mar 2009 14:29:59 +0000 (14:29 +0000)]
* strace.c (startup_attach): Take care to correctly attach
to stopped processes by resending SIGSTOP.
(collect_stopped_tcbs): Check for ^C here, not in trace().
(trace): Remove check for ^C.
Denys Vlasenko [Tue, 10 Mar 2009 20:41:58 +0000 (20:41 +0000)]
Decode fcntl's F_{GET,SET}LEASE, F_NOTIFY, and F_DUPFD_CLOEXEC.
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().
Denys Vlasenko [Wed, 25 Feb 2009 17:08:40 +0000 (17:08 +0000)]
CRIS support by Hinko Kocevar (hinko.kocevar AT cetrtapot.si)
* 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.
Denys Vlasenko [Tue, 24 Feb 2009 15:17:53 +0000 (15:17 +0000)]
Replace many more bare ptrace calls with calls to wrappers
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.
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