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preadv-pwritev.c: In function 'main':
preadv-pwritev.c:162: warning: comparison between signed and unsigned
readv.c: In function 'main':
readv.c:148: warning: comparison between signed and unsigned
recvmsg.c: In function 'main':
recvmsg.c:148: warning: comparison between signed and unsigned
* tests/preadv-pwritev.c (main): Cast r_len to int.
* tests/readv.c (main): Likewise.
* tests/recvmsg.c (main): Likewise.
This change moves remaining arch specific getregs_old code into
appropriate arch subdirectories and removes unnecessary code
duplication.
* linux/getregs_old.h: New file.
* linux/powerpc/getregs_old.h: Likewise.
* linux/powerpc64/getregs_old.h: Likewise.
* linux/x86_64/getregs_old.h: Likewise.
* Makefile.am (EXTRA_DIST): Add them.
* syscall.c: Include "getregs_old.h".
[X86_64 || POWERPC]: Remove.
[ARCH_REGS_FOR_GETREGSET] (ptrace_getregset_or_getregs): Define
to ptrace_getregset.
[ARCH_REGS_FOR_GETREGS] (ptrace_getregset_or_getregs): Define
to ptrace_getregs.
(get_regs): Check for ptrace_getregset_or_getregs instead
of ARCH_REGS_FOR_GETREGSET and ARCH_REGS_FOR_GETREGS. Use
ptrace_getregset_or_getregs instead of ptrace_getregset and
ptrace_getregs. Check for HAVE_GETREGS_OLD instead of X86_64
and POWERPC. Use use_getregs_old instead of getregset_support
and old_kernel.
In order to avoid name clash on distributions which decide to include
kernel headers instead of UAPI ones. For example, on SLES 11SP4:
gcc -DHAVE_CONFIG_H -I./linux/x86_64 -I./linux -I. -Wall -O2 -c net.c
In file included from /usr/include/linux/sysctl.h:25:0,
from /usr/include/linux/netfilter.h:6,
from /usr/include/linux/netfilter_arp.h:8,
from /usr/include/linux/netfilter_arp/arp_tables.h:14,
from net.c:60:
net.c: In function 'print_packet_mreq':
gcc_compat.h:59:27: error: negative width in bit-field '<anonymous>'
# define MUST_BE_ARRAY(a) BUILD_BUG_ON_ZERO(!SAME_TYPE((a), &(a)[0]))
^
defs.h:76:53: note: in expansion of macro 'MUST_BE_ARRAY'
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]) + MUST_BE_ARRAY(a))
^
net.c:747:22: note: in expansion of macro 'ARRAY_SIZE'
if (mreq.mr_alen > ARRAY_SIZE(mreq.mr_address))
^
due to the fact BUILD_BUG_ON_ZERO is already defined in <linux/kernel.h>.
* gcc_compat.h (BUILD_BUG_ON_ZERO): Rename to FAIL_BUILD_ON_ZERO.
(MUST_BE_ARRAY): Update usage.
Why gcc didn't complain about it? It is definitely an index clash.
* linux/x32/syscallent.h: Change initializer indices for empty records from
[327 ... 511] to [329 ... 511].
This will be needed to implement fault injection on those architectures
that lack PTRACE_SETREGSET/PTRACE_SETREGS support.
* defs.h (upoke): New prototype.
* upoke.c: New file.
* Makefile.am (libstrace_a_SOURCES): Add it.
This enables printing size-limited (expectedly) ASCIZ strings.
This is done by increasing umoven size limit for sized strings by one
byte above max_strlen (enabling copying possible NUL byte in case len is
greater than max_strlen) and decreasing size after copying by one byte
in case QUOTE_0_TERMINATED is set (due to user_style or usage of len of
-1). As a result, there is one excess byte for string_quote in case
QUOTE_0_TERMINATED is set so string_quote can check for NUL termination
of strings up to size bytes in size (which is len or max_strlen, whatever
is greater).
The catch here is that when string is not properly NUL-terminated and
QUOTE_0_TERMINATED is provided in user_style and len is less than
max_strlen then last non-NUL byte is not printed. But ellipsis is
printed instead, being indication that string is not terminated
properly. QUOTE_OMIT_TRAILING_0 should be used instead in case this
behaviour is not intended.
* util.c (printstr_ex): Copy one excess byte in case of non-negative len
provided and it is more than max_strlen; handle case of max_strlen of 0
in case QUOTE_0_TERMINATED is set separately; check for need of printing
ellipsis by checking resulting style against QUOTE_0_TERMINATED.
* linux/perf_event_struct.h: New file, definition of struct perf_event_attr
from Linux 4.8
* Makefile.am (strace_SOURCES): Add it.
* xlat/hw_breakpoint_len.in: New file.
* xlat/hw_breakpoint_type.in: Likewise.
* xlat/perf_attr_size.in: Likewise.
* xlat/perf_branch_sample_type.in: Likewise.
* xlat/perf_event_read_format.in: Likewise.
* xlat/perf_event_sample_format.in: Likewise.
* xlat/perf_hw_cache_id.in: Likewise.
* xlat/perf_hw_cache_op_id.in: Likewise.
* xlat/perf_hw_cache_op_result_id.in: Likewise.
* xlat/perf_hw_id.in: Likewise.
* xlat/perf_sw_ids.in: Likewise.
* xlat/perf_type_id.in: Likewise.
* perf.c [HAVE_LINUX_PERF_EVENT_H]: Remove inclusion of
<linux/perf_event.h>.
(PRINT_XLAT): New macro for simplifying printing values from
sorted xlat.
(printxlat_search): New function, wrapper for xlat_search with behaviour
similar to printval.
(print_perf_event_attr): New print_event_attr structure fetching and
printing function.
(SYS_FUNC(perf_event_open)): Use print_perf_event_attr for displaying
attr argument contents.
* tests/perf_event_open.c: Renamed to
tests/perf_event_open_nonverbose.c.
* tests/perf_event_open.test: add -e verbose=none in order to preserve
output format being checked (in case verbose output is enabled,
contents of attr arguments are shown now); rename to
tests/perf_event_open_nonverbose.test; add -e trace=perf_event_open.
* util.c (printxval_searchn): New function.
* defs.h (printxval_searchn): New prototype.
(printxval_search): New helper macro useful in conjunction with static
xlat arrays.
Also, use u_rval for determining message size.
* mq.c (SYS_FUNC(mq_timedreceive)): Check for syserror and non-negative
u_rval before calling printstr on msg_ptr argument, or use printaddr otherwise;
provide u_rval as string size.
mq_flags field of struct mq_attr can contain only O_NONBLOCK flag (other
flags are treated as invalid by mq_getsetattr). Moreover, this field is
ignored by mq_open at all (O_NONBLOCK is set via oflag, not via attr
attribute).
* xlat/mq_attr_flags.in: New file.
* print_mq_attr.c: Include xlat/mq_attr_flags.h.
(printmqattr): New parameter, bool decode_flags; cast members of struct
mq_attr to long long type; use mq_attr_flags xlat for printing mq_flags;
print mq_flags as flags only in case decode_flags parameter is set
to true.
* mq.c (SYS_FUNC(mq_open)): Specify value of false for decode_flags
parameter of printmqattr call.
(SYS_FUNC(mq_getsetattr)): Specify value of true for decode_flags
parameter of printmqattr call.
* tests/mq.expected: Update expected output.
* mq.c (SYS_FUNC(mq_timedsend)): Change conversion specifier from "%lu"
to "%llu", use getarg_ull for obtaining msg_len parameter.
(SYS_FUNC(mq_timedreceive)): Likewise.
It is defined as int in <linux/posix_types.h>.
* mq.c (SYS_FUNC(mq_timedsend)): Use "%d" conversion specifier instead
of "%ld" for printing mqdes (0th parameter), cast parameter value to
int.
(SYS_FUNC(mq_timedreceive)): Likewise.
(SYS_FUNC(mq_notify)): Likewise.
(SYS_FUNC(mq_getsetattr)): Likewise.
* tests/file_handle.c: replace fcntl.h include with asm/unistd.h.
[MAX_HANDLE_SZ]: change to defined __NR_name_to_handle_at
&& defined __NR_open_by_handle_at, add fcntl.h include
[!MAX_HANDLE_SZ]: Add definition of MAX_HANDLE_SZ and struct
file_handle.
(main): Change name_to_handle_at and open_by_handle_at calls to syscall.
Since the only two flags supported are AT_SYMLINK_FOLLOW and
AT_EMPTY_PATH.
* xlat/name_to_handle_at_flags.in: New file.
* file_handle.c (SYS_FUNC(name_to_handle_at)): Use name_to_handle_at_flags
for printing flags parameter.
Curiously, kexec_load uses compat on x32/n32, so its parameters should
be 4 bytes in size on these ABIs.
* kexec.c (SYS_FUNC(kexec_load)): Use widen_to_ulong for casting
parameters to proper size on x32/n32.
