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If stat.st_mode returned by syscall is 0, it means that the definition
of struct stat in <asm/stat.h> is incorrect. This is the case e.g. on
mips n32 where the only available stat syscall is 64-bit but at the same
time struct stat defined by <asm/stat.h> is 32-bit.
* tests/stat.c (main) [NR_stat]: Return 77 if st_mode is 0.
* aio.c (print_common_flags): Use #ifdef in the check for
HAVE_STRUCT_IOCB_U_C_FLAGS.
* defs.h: Use #ifdef in the check for HAVE_LITTLE_ENDIAN_LONG_LONG.
* net.c: Use #ifdef in the check for HAVE_SENDMSG.
* syscall.c (dumpio): Likewise.
* printstat.h (DO_PRINTSTAT): Use #ifdef in checks for
HAVE_STRUCT_STAT_ST_* macros.
* util.c: Use #ifdef in checks for HAVE_SYS_XATTR_H.
* mount.c (sys_mount): Do not decode type and data strings for
MS_SHARED, MS_PRIVATE, MS_SLAVE, and MS_UNBINDABLE mount flags
that do not imply valid strings.
* configure.ac (AC_CHECK_FUNCS): Add inet_pton.
* net.c (print_mreq, print_mreq6): New functions.
(print_setsockopt): Use them to decode IP_ADD_MEMBERSHIP,
IP_DROP_MEMBERSHIP, IPV6_ADD_MEMBERSHIP, IPV6_DROP_MEMBERSHIP,
IPV6_JOIN_ANYCAST, and IPV6_LEAVE_ANYCAST.
* tests/ip_mreq.c: New file.
* tests/ip_mreq.expected: Likewise.
* tests/ip_mreq.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add ip_mreq.
(TESTS): Add ip_mreq.test.
(EXTRA_DIST): ip_mreq.expected.
* tests/.gitignore: Add ip_mreq.
Based on patch by Ben Noordhuis <info@bnoordhuis.nl>.
Introduce wrappers to the following functions that do memory allocation:
malloc, calloc, realloc, strdup.
This commit is a follow-up to the related discussions in strace-devel ML:
http://sourceforge.net/p/strace/mailman/message/33618180/http://sourceforge.net/p/strace/mailman/message/33733470/
* defs.h (xmalloc, xcalloc, xreallocarray, xstrdup): New prototypes.
* xmalloc.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* count.c (count_syscall, call_summary_pers): Use xcalloc.
* desc.c (decode_select): Use xmalloc.
* dirent.c (sys_getdents, sys_getdents64): Likewise.
* net.c (sys_recvmmsg): Use xstrdup.
* pathtrace.c (storepath): Use xreallocarray.
(pathtrace_match): Use xmalloc.
* strace.c (die_out_of_memory): Move to xmalloc.c.
(expand_tcbtab): Use xcalloc and xreallocarray.
(startup_child): Use xstrdup.
(init): Use xmalloc, xcalloc, and xstrdup.
* syscall.c (reallocate_qual): Use xreallocarray.
(qualify): Use xstrdup.
* unwind.c (unwind_tcb_init): Use xmalloc.
(build_mmap_cache): Use xcalloc, xreallocarray, and xstrdup.
(get_symbol_name): Use xreallocarray.
(stacktrace_walk, queue_put): Use xmalloc.
* util.c (printstr): Use xmalloc.
* vsprintf.c (strace_vfprintf): Likewise.
Some ioctl constants are defined to different values on those 32-bit
architectures where structures containing a 64-bit field are aligned on
a 8-byte boundary and have a size multiple of 8 bytes, and on other
32-bit architectures.
* configure.ac: Check the size of a structure containing a 64-bit field.
* linux/32/ioctls_inc.h: Rename to ...
* linux/32/ioctls_inc_align32.h: ... this.
* linux/32/ioctls_inc_align64.h: New file.
* linux/32/ioctls_inc.h: Include either 32/ioctls_inc_align32.h
or ioctls_inc_align64.h depending on SIZEOF_STRUCT_I64_I32.
* Makefile.am (EXTRA_DIST): Add linux/32/ioctls_inc_align32.h and
* linux/32/ioctls_inc_align64.h.
* tests/ioctl.c (main): Test for VIDIOC_ENUMINPUT.
* tests/ioctl.expected: Check VIDIOC_ENUMINPUT decoding.
Reported-by: Philippe De Muyter <phdm@macqel.be>
This commit adds strace support for Altera's Nios-II. The architecture
is supported by Linux since v3.19, and it implements the generic syscall
ABI.
* configure.ac: Add nios2 support.
* cacheflush.c [NIOS2] (sys_cacheflush): New function.
* linux/nios2/*: New Nios-II specific files.
* Makefile.am (EXTRA_DIST): Add them.
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Fix bexecve.test when the executable being run does not match the
native architecture.
* tests/bexecve.test: Use "set_ptracer_any" instead of "sh".
Allow for a personality switch notification in the strace output.
Introduce SYS_FUNC macro to declare and define all syscall parsers.
* Makefile.am (BUILT_SOURCES, CLEANFILES): Add sys_func.h.
(sys_func.h): New rule.
* defs.h (SYS_FUNC_NAME, SYS_FUNC): New macros.
* linux/syscall.h: Include "sys_func.h".
[NEED_UID16_PARSERS]: Use SYS_FUNC to declare uid16 syscall parsers.
Remove other declarations.
* linux/alpha/syscallent.h (160, 161): Add sys_ prefix to osf_statfs
and osf_fstatfs syscall parsers.
* *.c: Use SYS_FUNC to define syscall parsers.
Some of our tests use GNU awk @include extension, but not all currently
used versions of GNU awk support it. Skip these tests if gawk does not
provide @include support.
* tests/init.sh (check_gawk): New function.
(match_awk): Use it.
The regular expression generated by umovestr2.c on systems with large
page size is too big for GNU grep. Rewrite the test to use diff
instead of grep.
* tests/umovestr2.test: Use match_diff instead of match_grep.
* tests/umovestr2.c (main): Convert output from regexp to plain text.
* defs.h (get_pagesize): New prototype.
* mem.c (get_pagesize) Make global.
* util.c (PAGMASK): Remove.
(vm_read_mem): New process_vm_readv proxy function.
(umoven, umovestr): Use it.
(umovestr): Read chunks up to pagesize at a time.
process_vm_readv() and ptrace(PTRACE_PEEKDATA) have inconsistent access
control rules wrt traced processes: process_vm_readv() is more likely to
fail with EPERM than ptrace(PTRACE_PEEKDATA) when tracing a process that
has execve'd a privileged executable.
* util.c (umoven, umovestr): If process_vm_readv returned EPERM,
fall back to ptrace(PTRACE_PEEKDATA).
Reported-by: Andrew Guertin <lists@dolphinling.net>
Define macros for gcc attributes that are already in use
or going to be used soon.
* defs.h (GNUC_PREREQ, ATTRIBUTE_NORETURN, ATTRIBUTE_FORMAT,
ATTRIBUTE_ALIGNED, ATTRIBUTE_PACKED, ATTRIBUTE_MALLOC,
ATTRIBUTE_NOINLINE, ATTRIBUTE_ALLOC_SIZE): New macros.
