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Take #2 on mainlining strace support for ARC (last one was 4.6 based back
in March 2011), see
http://sourceforge.net/p/strace/mailman/message/27210168/
The syscall ABI is asm-generic/unistd.h based (so no legacy syscalls),
hence very similar to metag port.
test/* all seem to work well.
* linux/arc/ioctlent.h.in: New file.
* linux/arc/syscallent.h: Likewise.
* Makefile.am (EXTRA_DIST): Add linux/arc/ioctlent.h.in and
linux/arc/syscallent.h.
* configure.ac: Add ARC to the list of supported architectures.
* defs.h: Add ARC support.
* process.c (struct_user_offsets): Likewise.
* signal.c (sys_sigreturn): Likewise.
* syscall.c (print_pc, get_regset, get_regs, get_scno, get_syscall_args,
get_syscall_result, get_error): Likewise.
* util.c (change_syscall): Likewise.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
The standard name people have adopted is "COPYING" rather than
"COPYRIGHT". Use that as a lot of license scanning tools look for it.
* COPYRIGHT: Rename to ...
* COPYING: ... this.
* Makefile.am (EXTRA_DIST): Rename COPYRIGHT to COPYING.
* README: Likewise.
* strace.spec (%files): Likewise.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
linux/mips/syscallent.h consisted of several parts that had little in
common. Split them into separate files to ease maintenance.
* linux/mips/syscallent-compat.h: New file.
* linux/mips/syscallent-n32.h: Likewise.
* linux/mips/syscallent-n64.h: Likewise.
* linux/mips/syscallent-o32.h: Likewise.
* linux/mips/syscallent.h: Include them.
* Makefile.am (EXTRA_DIST): Add them.
Needed to debug some losetup failures, and it's easier when you can see
what the kernel is getting vs what you think you're sending, so add some
decoders for those ioctls.
* loop.c: New file.
* Makefile.am (strace_SOURCES): Add loop.c.
* defs.h (loop_ioctl): New prototype.
(string_quote): Likewise.
* ioctl.c (ioctl_decode): Call loop_ioctl when code is 'L'.
* util.c (string_quote): Remove static keyword.
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.
* defs.h: Declare strace_vfprintf either as a alias to vfprintf
or as a bona fide function. USE_CUSTOM_PRINTF define controls whether
we use strace_vfprintf. By default, we don't.
* strace.c (tprintf): Call strace_vfprintf instead of vfprintf.
* vsprintf.c: New file, implements strace_vfprintf.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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>
I got tired of figuring out mtd structures (which show up a lot
in the embedded space), so add decoders for those ioctls.
* defs.h (mtd_ioctl): New prototype.
(print_loff_t): Likewise.
* io.c (print_loff_t): Delete static keyword
* ioctl.c (ioctl_decode): Call mtd_ioctl when code is 'M'.
* Makefile.am (strace_SOURCES): Add mtd.c.
(EXTRA_DIST): Add linux/mtd-abi.h.
* mtd.c: New file.
* linux/mtd-abi.h: New file.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This change is a verbatim part of Dmitry's changes to remove support
for non-Linux architectures.
* Makefile.am: Don't install PORTING file. Install README-linux-ptrace file.
Set OS variable to linux unconditionally.
* configure.ac: Remove code to set opsys variable, and its usage.
Remove checks for headers which are never present on Linux.
* m4/stat.m4: Remove 'ifdef LINUX' check.
* m4/statfs.m4: Likewise.
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This change is abapted from Dmitry's changes to remove support for
non-Linux architectures.
* Makefile.am: Remove if LINUX/endif pairs.
* defs.h: Remove stream_ioctl() declaration.
* ioctl.c (ioctl_decode): Remove 'ifdef HAVE_SYS_STREAM_H' block.
* resource.c: Use 'defined(FOO)' instead of 'defined FOO' form.
* util.c: Likewise.
* signal.c: Remove conditional includes which are never used on Linux.
* stream.c: Likewise.
* file.c: Remove excessive empty lines.
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Remove non-Linux source directories: freebsd/, svr4/, sunos4/, svr4/.
Remove README-freebsd, README-sunos4, README-svr4, m4/procfs.m4.
linux/sparc/{errnoent1,ioctlent1,signalent1}.h used to point to svr4/ files -
replace their contents with copies of used (and now deleted) files.
Make linux/sparc64/{errnoent1,ioctlent1,signalent1}.h include these files
instead of svr4/* ones.
Makefile.am: remove references to deleted files.
configure.ac: Remove a few tests which make no sense on Linux.
Man page: remove non-Linux quirks information.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
* pathtrace.c: New file, implements matching syscall arguments to
user-specified file paths.
* Makefile.am (strace_SOURCES): Add pathtrace.c.
* defs.h (TCB_FILTERED, filtered): New defines.
(getfdpath, pathtrace_select, pathtrace_match, show_fd_path,
tracing_paths): New declarations.
* strace.c (show_fd_path, tracing_paths): New global variables.
(usage, main): Implement handling of -y and -P options.
* strace.1: Add descriptions of -y and -P options.
* syscall.c (trace_syscall_entering): Add path matching logic to the
print/noprint decision and set the TCB_FILTERED bit appropriately.
(trace_syscall_exiting): Use filtered() macro that checks the
TCB_FILTERED bit to determine print/noprint status.
* util.c (printfd): Use getfdpath().
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>
* CREDITS.in: New file, derived from CREDITS, without names of
those who are listed as git log 'Author:'s.
* CREDITS: Remove file.
* Makefile.am [MAINTAINER_MODE] (CREDITS): New rule.
* .gitignore: Add CREDITS.
* .mailmap: New file, required to map git author names and email
addresses to canonical/preferred form.
Rather than constantly deal with the sparc/syscall.h going stale, merge
the few sparc-specific pieces into the linux/syscall.h header.
* linux/syscall.h: Add sparc-specific pieces from sparc/syscall.h.
* Makefile.am (EXTRA_DIST): Remove linux/sparc/syscall.h and
linux/sparc64/syscall.h.
* linux/sparc/syscall.h, linux/sparc64/syscall.h: Deleted.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
I can't find any mention of this header actually being used.
Seems to be a really old copy of the common syscall.h.
* Makefile.am (EXTRA_DIST): Remove linux/sparc/syscall.h.2.
* linux/sparc/syscall.h.2: Deleted.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* block.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* defs.h [LINUX] (block_ioctl): New function.
* ioctl.c (ioctl_decode) [LINUX]: Use it to decode HDIO_* and BLK*
ioctls.
Patch by Jeff Mahoney <jeffm@suse.com>
* m4/warnings.m4: Replace with warnings.m4 from gnulib.
* configure.ac: Use gl_WARN_ADD from new warnings.m4.
* Makefile.am (AM_CFLAGS): Update for new warnings.m4.
* Makefile.am (ACLOCAL_AMFLAGS): Add "-I m4".
* acinclude.m4: Remove.
* m4/includedir.m4: New file, with definition of AC_INCLUDEDIR from
acinclude.m4.
* m4/long_long.m4: New file, with definitions of AC_OFF_T_IS_LONG_LONG,
AC_RLIM_T_IS_LONG_LONG and AC_LITTLE_ENDIAN_LONG_LONG from acinclude.m4.
* m4/procfs.m4: New file, with definitions of AC_MP_PROCFS,
AC_POLLABLE_PROCFS and AC_STRUCT_PR_SYSCALL from acinclude.m4.
* m4/stat.m4: New file, with definition of AC_STAT64 from acinclude.m4.
* m4/statfs.m4: New file, with definition of AC_STATFS64 from
acinclude.m4.
* m4/warnings.m4: New file, with definition of AC_WARNFLAGS from
acinclude.m4.
* 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.
