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Decode as much data on entering syscall as possible.
* xlat/mtd_file_mode_options.in: New file.
* mtd.c: Include <linux/ioctl.h> instead of <sys/ioctl.h>.
Include "xlat/mtd_file_mode_options.h".
Update for RVAL_DECODED.
(mtd_ioctl, ubi_ioctl): Use printnum_int and umove_or_printaddr.
string_quote() has proven to be too hard to use, replace it with
print_quoted_string() that does memory allocation and prints the result.
* defs.h (string_quote): Remove.
(QUOTE_0_TERMINATED, QUOTE_OMIT_LEADING_TRAILING_QUOTES): New macros.
(print_quoted_string): New prototype.
* util.c (string_quote): Make static; take "style" flags instead
of "len", treat QUOTE_0_TERMINATED style flag as former (len == -1);
add QUOTE_OMIT_LEADING_TRAILING_QUOTES style flag support.
(ALLOCA_CUTOFF, use_alloca): New macros.
(print_quoted_string): New function.
(printpathn, printstr): Update to new API.
* loop.c (loop_ioctl): Likewise.
* mtd.c (ubi_ioctl): Likewise.
* net.c (print_scm_security): Likewise.
* socketutils.c (unix_parse_response): Likewise.
* configure.ac (gl_WARN_ADD): Add -Wsign-compare.
* defs.h (struct tcb): Change 'currpers' type to unsigned.
(struct xlat): Change 'val' type to unsigned
(signame): Add 'const' qualifier to its argument.
(xlookup, printxval): Add 'const' qualifier to the 2nd argument and
change its type to unsigned.
(printpathn): Change the 3rd argument type to unsigned.
(ioctl_lookup): Change 1st argument type to unsigned.
* count.c (call_summary_pers, call_summary): Change 'i' type to unsigned.
* file.c (print_xattr_list): Fix comparisons between signed and unsigned
long values.
* ioctl.c (compare): Fix cast.
(ioctl_lookup): Change 1st argument type to to unsigned.
(ioctl_next_match): Change 'code' type to unsigned.
* mem.c (sys_move_pages): Change 'i' type to unsigned.
* mtd.c (mtd_ioctl): Change 'i' and 'j' types to unsigned.
Print 'i' using %u format string.
* process.c (sys_prctl): Change 'i' type to unsigned.
(printargv): Change 'n' type to unsigned.
(sys_ptrace): Change 'addr' type to unsigned.
* scsi.c (print_sg_io_buffer): Add 'const' qualifier to 'len' argument
and change its type to unsigned. Change 'i' and 'allocated' types
to unsigned.
* signal.c (signame): Add 'const' qualifier to its argument.
Fix comparisons between signed and unsigned values.
(sprintsigmask_n, printsiginfo): Fix comparisons between signed and
unsigned values.
* sock.c (sock_ioctl): Change 'i' and 'nifra' types to unsigned.
* strace.c (expand_tcbtab, alloctcb): Change 'i' type to unsigned.
(detach): Change 'sig' type to unsigned.
(startup_attach): Change 'tcbi' type to unsigned.
(startup_child): Change 'm', 'n', and 'len' types to unsigned.
(init): Use new variable to iterate 'tcbtab'.
(pid2tcb): Change 'i' type to unsigned.
(cleanup): Change 'i' and 'sig' types to unsigned.
* syscall.c (update_personality): Change 'personality' argument type
to unsigned.
(struct qual_options): Change 'bitflag' type to unsigned.
(reallocate_qual): Add 'const' qualifier to its argument and change its
type to unsigned.
(qualify_one): Change 'n' and 'bitflag' arguments types to unsigned.
Add 'const' qualifier to 'n', 'not', and 'pers' arguments.
Change 'p' type to signed int.
(qual_syscall): Change 'bitflag' argument type to unsigned.
Add 'const' qualifier to 'bitflag' and 'not' arguments.
Change 'p' type to signed int.
(qual_signal): Change 'bitflag' argument type to unsigned.
Add 'const' qualifier to 'bitflag' and 'not' arguments.
Change 'i' type to unsigned.
(qual_desc): Change 'bitflag' argument type to unsigned.
Add 'const' qualifier to 'bitflag' and 'not' arguments.
(qualify): Change 'i' type to unsigned.
(get_scno): Change 'currpers' type to unsigned.
Fix a comparison between signed and unsigned values.
* system.c (sys_sysctl): Change 'cnt' and 'max_cnt' types to unsigned.
Fix comparisons between signed and unsigned values.
* util.c (xlookup, printxval): Add 'const' qualifier to 'val' argument
and change its type to unsigned.
(printuid): Fix a comparison between signed and unsigned values.
(printpathn): Change 'n' argument type to unsigned.
(printstr): Change 'size' type to unsigned.
Fix a comparison between signed and unsigned values.
(setbpt): Change 'i' type to unsigned.
* net.c (printsock): Silence a compilation warning.
* reboot.c (sys_reboot): Likewise.
Automatically update all xlat structures using the following sed regexp:
s/^[[:space:]]*{[[:space:]]*0[[:space:]]*,[[:space:]]*NULL[[:space:]]*,\?[[:space:]]*}[[:space:]]*,\?[[:space:]]*/\tXLAT_END/
Automatically convert all xlat structures to XLAT form
using the following sed regexp:
s/^[[:space:]]*{[[:space:]]*\([^",}[:space:]]\+\)[[:space:]]*,[[:space:]]*"\1",\?[[:space:]]*}[[:space:]]*/\tXLAT(\1)/
Since the length fields with the ubi volnames are signed 16bit values,
make sure we clamp that number to the size of the buffer we've allocated
on the stack to prevent buffer overflows.
* mtd.c (ubi_ioctl): Clamp length to string_quote to 0/UBI_MAX_VOLUME_NAME.
Check the return of string_quote and tweak the output accordingly.
Been playing with UBI of late and it'd help if I could see what it was
doing. Not entirely sure about the decoding of UBI_IOCVOLUP -- it takes
a pointer to a 64bit value, not a strict.
* util.c (MAX, MIN): Move to ...
* defs.h (MAX, MIN): ... here.
(CLAMP): Define.
(ubi_ioctl): New prototype.
* ioctl.c (ioctl_decode): Call ubi_ioctl when code is 'o' or 'O'.
* mtd.c: Include ubi user API header.
(ubi_volume_types): New enum decode.
(ubi_volume_props): Likewise.
(ubi_ioctl): Define.
* linux/ubi-user.h: Import from linux 3.8.
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>
