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Starting with commit v4.21-37-g4f63bc70ca95012d72e288fc3c1eeb3ba26068a4,
<stdbool.h> is included by tests.h, so all tests that already include
"tests.h" do not need to include <stdbool.h>.
* tests/btrfs.c: Do not include <stdbool.h>.
* tests/file_handle.c: Likewise.
* tests/futex.c: Likewise.
* tests/ioctl_dm.c: Likewise.
* tests/ioctl_loop.c: Likewise.
* tests/ioctl_sock_gifconf.c: Likewise.
* tests/keyctl.c: Likewise.
* tests/mq_sendrecv.c: Likewise.
* tests/perf_event_open.c: Likewise.
* tests/s390_guarded_storage.c: Likewise.
* tests/s390_pci_mmio_read_write.c: Likewise.
* tests/s390_sthyi.c: Likewise.
* tests/xet_thread_area_x86.c: Likewise.
* util.c: Include <sys/stat.h>, <sys/sysmacros.h>,
and "largefile_wrappers.h".
(printsocket, printdev): New functions.
(printfd): Move socket matching/printing logic to printsocket. Check
also for printdev. Escape opening angle bracket in addition to closing angle
bracket as it can show up as a separator in printdev.
* tests/fsync-y.c: Update expected output.
* strace.1.in: Mention this.
* NEWS: Likewise.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
Quotes are not always used to denote string limits; printfd uses angle
brackets for that, for example. As result, mechanism for supplying
set of additional characters in order to avoid ambiguities regarding
the end of the quoted string is needed.
* defs.h (string_quote): Add escape_chars parameter.
(print_quoted_string_ex): New function prototype.
* util.c (string_quote): Add escape_chars parameter.
(print_quoted_string_ex): Rename from print_quoted_string, add
escape_chars parameter, pass it to string_quote call.
(print_quoted_string): Turn into a thin wrapper around
print_quoted_string_ex.
(printstr_ex): Pass NULL as escape_chars argument of string_quote call.
* socketutils.c (unix_parse_response): Pass NULL as escape_chars
argument of string_quote call.
* tests/print_quoted_string.c (print_octal): New function.
print_quoted_memory_ex): Use it. Add escape_chars parameter.
(print_quoted_memory): Pass NULL as escape_chars argument
of print_quoted_memory_ex call.
* tests/tests.h (print_quoted_string_ex, print_quoted_memory_ex): Add
escape_chars parameter.
* tests/fsync-y.c: Pass NULL as escape_chars argument of
print_quoted_string_ex call.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
* tests/tests.h (print_quoted_string_ex, print_quoted_memory_ex): New
declarations.
* tests/print_quoted_string.c (print_quoted_string_ex): New function,
a thin wrapper around print_quoted_memory_ex wrapper.
(print_quoted_memory_ex): Rename from print_quoted_memory, add quote
argument.
(print_quoted_memory): Turn into a thin wrapper around
print_quoted_memory_ex.
* util.c (string_quote): Change the upper limit for the next character
in unabbreviated octal printing from '9' to '7'.
* tests/print_quoted_string.c (print_quoted_memory): Likewise.
* linux/inet_diag.h (INET_DIAG_BC_S_EQ, INET_DIAG_BC_D_EQ): New
enumeration items introduced by linux kernel commit v4.16-rc1~123^2~259.
* xlat/inet_diag_bytecodes.in (INET_DIAG_BC_S_EQ, INET_DIAG_BC_D_EQ): New
constants.
* NEWS: Mention it.
POLL_BUSY_LOOP was introduced by linux kernel commit v3.11-rc1~64^2~129
as POLL_LL and then renamed in v3.11-rc1~64^2~9. POLLRDHUP was
introduced by linux kernel commit v2.6.17-rc1~796. POLLMSG and
POLLREMOVE predate git repository. POLLFREE was introduced by linux
kernel commit v3.3-rc5~8 for internal use only.
* xlat/pollflags.in (POLLMSG, POLLREMOVE, POLLRDHUP, POLL_BUSY_LOOP):
New constants.
* NEWS: Mention it.
* xlat/rtnl_tc_attrs.in (TCA_HW_OFFLOAD, TCA_INGRESS_BLOCK,
TCA_EGRESS_BLOCK): New constants introduced by linux kernel commits
v4.15-rc4~13^2~5^2~2 and v4.16-rc1~123^2~139^2~5.
* rtnl_tc.c (tcmsg_nla_decoders) <TCA_HW_OFFLOAD, TCA_INGRESS_BLOCK,
TCA_EGRESS_BLOCK>: New items.
* rtnl_link.c (decode_ifla_event): New function.
(ifinfomsg_nla_decoders) <[IFLA_EVENT]>: Use it.
* xlat/rtnl_ifla_events.in: New file.
* NEWS: Mention it.
Follow a common practice for printing address:port pair to distinguish
address parts delimiter from address/port delimiter.
* socketutils.c (inet_parse_response) <ob, cb>: New variables,
initialise them to open/closing brackets or empty strings based
on address family.
(inet_parse_response): Print ob and cb around src_buf and dst_buf.
* NEWS: Mention this improvement.
There are rumors in circulation that some rpm-based distributions
are going to exclude gcc from their default build environments.
Workaround this policy silliness by adding gcc to build requirements.
* strace.spec.in (BuildRequires): Add gcc.
* largefile_wrappers.h (fopen_for_input): Define along with
fopen_for_output.
* mmap_cache.c: Include "largefile_wrappers.h".
(fopen_for_input): Remove.
* defs.h (struct mmap_cache_t): Add major and minor fields.
* mmap_cache.c (build_mmap_cache): Record device major and minor numbers.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
mmap_cache was enabled indirectly via unwind feature. As now mmap_cache
can be used by other part of strace, a way to enable mmap_cache directly
is needed.
* defs.h (mmap_cache_enable, mmap_cache_is_enabled): New function
prototypes.
* mmap_cache.c (use_mmap_cache): New file local variable.
(mmap_cache_enable, mmap_cache_is_enabled): New functions.
* syscall.c (syscall_exiting_decode): Use mmap_cache_is_enabled()
instead of stack_trace_enabled.
* unwind.c (unwind_init): Invoke mmap_cache_enable.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
mmap_cache_delete function used to be called by destructor of unwind
related code. Now that other parts can use mmap cache,
mmap_cache_delete is called separately from unwind_tcb_fin.
* unwind.c (unwind_tcb_fin): Move mmap_cache_delete invocation ...
* strace.c (droptcb): ... here.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
To make mmap_cache reusable, records protection bits of mmap entries.
* defs.h (mmap_cache_protection): New enum.
* mmap_cache.c (build_mmpa_cache): Don't ignore entries that are not
executable, just record the protection bits here.
* unwind.c (print_stack_frame): Ignore entries that are not executable.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
print_stack_frame function in unwind.c searches a mmap entry in mmap
cache. The found entry is then used for unwinding. However, a function
searching for a mmap entry may be useful for other purposes than
unwinding.
This change re-factors the function; code for searching an entry is
now defined as a stand-alone function named mmap_cache_search.
* defs.h (mmap_cache_search): New function prototype.
print_stack_frame.
* mmap_cached.c (mmap_cache_search): New function derived from
print_stack_frame.
* unwind.c (print_stack_frame): Use it.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
For making mmap cache code reusable from other areas in strace than
unwind, mmap cache related code and unwind related code should be
separated.
This change moves the most of mmap cache code from unwind.c
to mmap_cache.c, a new file.
* unwind.c: Move mmap_cache implementation ...
* mmap_cache.c: ... to this new file.
* Makefile.am (strace_SOURCES): add mmap_cache.c.
* defs.h (struct tcb): Move mmap_cache, mmap_cache_size, and
mmap_cache_generation fields out of [USE_LIBUNWIND] condition.
(mmap_cache_invalidate, mmap_cache_delete,
mmap_cache_rebuild_if_invalid): New function prototypes.
(struct mmap_cache_t, enum mmap_cache_rebuild_result): Move from
unwind.c.
* syscall.c (syscall_exiting_decode): Replace unwind_cache_invalidate
with mmap_cache_invalidate.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
For making mmap cache code reusable from other areas in strace
than unwind, mmap cache related code and unwind related code
should be separated.
This change is one of the steps for the separation. It moves
unw_flush_cache function call from the core of mmap cache code
to upper level code.
* unwind.c (mmap_cache_rebuild_result): New enum.
(rebuild_cache_if_invalid): Return MMAP_CACHE_REBUILD_* instead of
a bool value.
(build_mmap_cache): Don't call unw_flush_cache here.
(unwind_print_stacktrace, unwind_capture_stacktrace): Call
unw_flush_cache here instead.
Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Versioned dependency on debhelper is not updated for backwards
compatibility.
* debian/changelog.in: Fix ancient changelog entries.
* debian/control (Build-Depends): Add dependency on libbluetooth-dev.
(Standards-Version): Update to 4.1.3.
(Vcs-Git, Vcs-Browser): Move from alioth to salsa.d.o.
(strace, strace-udeb) <Architecture>: Change to linux-any.
(strace64, strace-udeb) <Priority>: Change to optional.
* debian/rules: Use /usr/share/dpkg/architecture.mk instead of manually
setting build variables.
(configure): New target.
(build/Makefile, build-udeb/Makefile, build64/Makefile): Depend on it.
(binary-arch): Use build64/strace.1 for strace64 subpackage.
* debian/strace.manpages: Add build/ prefix.
* debian/strace64.manpages: Add build64/ prefix.
* m4/mpers.m4 (st_MPERS_STRUCT_STAT): Use mpers_name instead of
MPERS_NAME in comments generated by AC_DEFINE.
Fixes: v4.14~169 ("mpers.m4: check for struct stat64, struct stat, and their members")
As <inttypes.h> is included in files generated by mpers.awk to obtain
definitions of uintNN_t types provided by <stdint.h>, replace the former
header with the latter.
* mpers.awk: Use <stdint.h> instead of <inttypes.h>.
* mpers_test.sh: Update expected output.
The old location of strace-devel mailing list is defunct, it used to
lose email messages and sometimes did not deliver any mails for days.
The mailing list has been moved to strace-devel@lists.strace.io.
* CREDITS.in: Update the mailing list address.
(Zhang Le): Update email address.
* README: Update the mailing list address.
* README.md: Likewise.
* configure.ac (AC_INIT): Likewise.
* strace.1.in (.SH REPORTING BUGS): Likewise.
* strace-log-merge.1.in (.SH REPORTING BUGS): Likewise.
* sched.c (SYS_FUNC(sched_getattr)): Update the mailing list reference.
* tests/scno_tampering.sh: Likewise.
* qemu_multiarch_testing/README: Update git repository address.
* NEWS: Mention the change of the mailing list address.
Closes: https://github.com/strace/strace/issues/38
When <sys/reg.h> is included after <linux/ptrace.h>, the build fails
on m68k with the following diagnostics:
In file included from /usr/include/linux/ptrace.h:101:0,
from ptrace.h:51,
from sigreturn.c:2:
/usr/include/m68k-linux-gnu/sys/reg.h:26:3: error: expected identifier
before numeric constant
PT_D1 = 0,
^
Apparently, the only architecture where strace needs definitions
provided by <sys/reg.h> is x86_64, other three (m68k, tile, and x86)
are fine with definitions already provided by <linux/ptrace.h>.
Fix the issue by getting rid of <sys/reg.h> and defining necessary
macros in linux/x86_64/arch_regs.h file.
* configure.ac (AC_CHECK_HEADERS): Remove sys/reg.h.
* regs.h: Do not include <sys/reg.h>.
* linux/x86_64/arch_regs.h (R15, R14, R13, R12, RBP, RBX, R11, R10,
R9, R8, RAX, RCX, RDX, RSI, RDI, ORIG_RAX, RIP, CS, EFLAGS, RSP, SS,
FS_BASE, GS_BASE, DS, ES, FS, GS): New macros.
* NEWS: Mention this fix.
Fixes: v4.21~21 ("Include <sys/ptrace.h> early")
https://sourceforge.net/p/strace/code/ is defunct: it doesn't accept
new commits for too long.
Likewise, https://sourceforge.net/projects/strace/files/ doesn't accept
new files for too long.
* README.md: Remove sourceforge.net URL.
* debian/copyright: Replace the sourceforge.net based strace project URL
with a github based one.
* strace.spec.in (Source): Likewise.
When built with -O0, gcc (rightfully) generates function prologue, which
results in writing %rbp to the stack, causing premature KVM_EXIT_MMIO.
It could be possible to avoid such problems by "naked" attribute but,
unfortunately, the latter is not available on x86 with older GCC.
A trick suggested in [1] is used instead: assembly is moved
to the global scope.
[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50242#c3
* tests/ioctl_kvm_run.c (code): Remove function.
Add globally scoped __asm__ with the function code and its size.
(code, code_size): New extern symbols declarations.
(run_kvm): Remove code_size definition and initialization.
Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
As it has proven itself useful.
* tests/ioctl_kvm_run.c (run_kvm) <case KVM_EXIT_MMIO:>: Fail
on unexpected KVM_EXIT_MMIO, providing relevant diagnostics.
