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* strace.c: Remove __NR_tkill checks, assume it is always defined.
* util.c: Remove __NR_process_vm_readv checks and fallback definitions,
assume it is always defined.
Generate scno.h using only those tools that are available for cross
build. This allows to use scno.h during the build of strace itself.
* scno.am: New file.
* scno.head: New file.
* Makefile.am (EXTRA_DIST): Add it.
* tests/generate_scno.c: Remove.
* tests/.gitignore: Remove generate_scno.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(CLEANFILES): Remove scno.h.
(scno.h, $(scno_dependants)): Remove rules.
(scno_dependants): Remove.
($(objects)): New rule.
Include ../scno.am.
* COPYING: Update copyright year number range.
* configure.ac: Likewise.
* strace.c: Likewise.
* tests/strace-V.test: Use the current year for the check.
Limit the number of files where <asm/unistd.h> is included
to only those few that need it.
* defs.h: Do not include <asm/unistd.h>.
* clone.c: Include <asm/unistd.h>.
* strace.c: Likewise.
* syscall.c: Likewise.
* util.c: Likewise.
* tests/generate_scno.c: Include "tests.h", "sysent.h", <stdio.h>,
<string.h>, and <asm/unistd.h> instead of "defs.h" and "syscall.h".
* tests/ksysent.c: Likewise.
* tests/nsyscalls.c: Include "tests.h", "sysent.h", <errno.h>,
<stdio.h>, and <unistd.h> instead of "defs.h" and "syscall.h".
struct ifreq and struct ifconf are ABI-dependent and should have been
mpersified.
* defs.h (sock_ioctl): Remove prototype.
* sock.c (struct_ifconf, struct_ifreq): New typedefs.
(DEF_MPERS_TYPE(struct_ifconf), DEF_MPERS_TYPE(struct_ifreq),
MPERS_DEFS): New includes.
(print_ifreq, print_ifc_len, print_ifconf_ifreq): Replace struct ifreq
with struct_ifreq.
(decode_ifconf): Replace struct ifconf with struct_ifconf, struct ifreq
with struct_fireq.
(sock_ioctl): Wrap into MPERS_PRINTER_DECL.
Since these are architecture-independent and have been added over the
kernel's lifetime, it makes sense to have these definitions in strace
itself.
* xlat/loop_cmds.in: New file.
* loop.c: Include "xlat/loop_cmds.h".
(loop_ioctl): Eliminate conditional compilation based on availability
of LOOP_* constant definitions.
* xlat/gen.sh: Implement #stop directive that stops preprocessor
at the line it has been encountered during the first pass. This could
be used, for example, to provide fallback definitions for constants
without defining xlat tables.
struct loop_info contains fields of type long, so it definitely should
have been mpersified.
* defs.h (loop_ioctl): Remove prototype.
* loop.c (struct_loop_info): New typedef.
Include DEF_MPERS_TYPE(struct_loop_info) and MPERS_DEFS.
(decode_loop_info): Replace struct loop_info with struct_loop_info.
Cast lo_inode, lo_init[0], and lo_init[1] to kernel_ulong_t and print
them using appropriate format specifiers.
(loop_ioctl): Wrap into MPERS_PRINTER_DECL.
Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
* print_dev_t.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* defs.h (print_dev_t): New prototype.
* dm.c: Do not include <sys/sysmacros.h>.
(dm_decode_device, dm_print_dev, dm_decode_dm_name_list): Use
print_dev_t function for printing device numbers.
* mknod.c: Do not include <sys/sysmacros.h>.
(decode_mknod): Use print_dev_t function for printing device number.
* print_struct_stat.c: Do not include <sys/sysmacros.h>.
(print_struct_stat): Use print_dev_t function for printing device
numbers.
Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
* tests/seccomp-strict.c (main): Change the type of addr variable
containg the invalid address from unsigned long to kernel_ulong_t,
print it using %#llx format.
Set the publicly shown copyright holder to "The strace developers.".
* COPYING: Update copyright information.
* configure.ac: Add AC_COPYRIGHT.
* strace.c (print_version): New function.
(init): Use it.
* tests/strace-V.test: Update expected output.
This extends the fault injection capability with :signal=SIG option
which injects a signal on entering each syscall from the specified set.
:signal and :error options are complementary, if they are both specified
the syscall will be fault injected as usual and the specified signal
will be delivered to the tracee.
* defs.h (struct fault_opts): Change the type of err field to int16_t,
add signo field.
(trace_syscall): Add a pointer argument.
* qualify.c: Include "nsig.h".
(parse_fault_token): Handle signal= option.
(qualify_fault): Update default fault_opts.
* strace.c (trace): Forward signal number from trace_syscall
to ptrace_restart(PTRACE_SYSCALL).
* syscall.c (inject_syscall_fault_entering): Add pointer argument,
save there the signal number specified by fault options. Do not inject
a syscall fault unless instructed by fault options.
(update_syscall_fault_exiting): Update the error code injection check.
(trace_syscall_entering): Add pointer argument, forward it to
inject_syscall_fault_entering.
(trace_syscall): Add pointer argument, forward it to
trace_syscall_entering.
Signed-off-by: Seraphime Kirkovski <kirkseraph@gmail.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
* defs.h (widen_to_ulong): Remove.
(truncate_kulong_to_current_wordsize): New static inline function.
* io.c (do_preadv, do_pwritev): Use it instead of widen_to_ulong.
The demise of HAVE_STRUCT_TCB_EXT_ARG opens the way for a simpler
implementation.
* io.c (print_lld_from_low_high_val): Merge [SIZEOF_LONG > 4
&& SIZEOF_LONG == SIZEOF_LONG_LONG]
and [SIZEOF_KERNEL_LONG_T > SIZEOF_LONG] cases
into a single [SIZEOF_KERNEL_LONG_T > 4] case.
[SIZEOF_KERNEL_LONG_T == 4]: Use direct casts to long long
instead of zero_extend_signed_to_ull.
The demise of HAVE_STRUCT_TCB_EXT_ARG opens the way for a simpler
implementation.
* util.c (getllval): Merge [SIZEOF_LONG > 4
&& SIZEOF_LONG == SIZEOF_LONG_LONG]
and [SIZEOF_KERNEL_LONG_T > SIZEOF_LONG] cases
into a single [SIZEOF_KERNEL_LONG_T > 4] case.
Since there is no compat handler for x32/n32, kernel returns kernel's
long as a result of the call.
Interesting, does any callee out there actually care to have enough room
allocated for kernel long?
* prctl.c (SYS_FUNC(prctl)): Use printnum_kptr instead of printnum_ptr
to print the value stored at address pointed by addr2 argument
of PR_GET_TID_ADDRESS operation.
In cases where no compat for x32/n32 is implemented, pointer is of
kernel's long size, so it should be printed appropriately.
* defs.h [!current_klongsize] (printnum_addr_klong_int): New prototype.
(printnum_kptr): New macro.
* util.c [!current_klongsize] (printnum_addr_klong_int): New function.
Originally, printnum_long_int was used, but it prints NULL incorrectly.
* defs.h (DECL_PRINTNUM_ADDR): New macro.
(DECL_PRINTNUM_ADDR(int), DECL_PRINTNUM_ADDR(int64)): New prototypes.
[!current_wordsize] (printnum_addr_long_int): New prototype.
[!current_wordsize] (printnum_ptr): Use it.
[current_wordsize > 4] (printnum_ptr): Use printnum_addr_int64.
[current_wordsize == 4] (printnum_ptr) Use printnum_addr_int.
* util.c (DEF_PRINTNUM_ADDR): New macro.
(DEF_PRINTNUM_ADDR(int, unsigned int),
DEF_PRINTNUM_ADDR(int64, uint64_t)): New macro instantiations that
provide printnum_addr_int and printnum_addr_int64, accordingly.
[!current_wordsize] (printnum_addr_long_int): New function.
* xet_robust_list.c (sprintaddr): New function.
(main): Use it, update expected output.
* tests/ipc_sem.c (main): Update expected output.
Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
Do not silently truncate tracee addresses to current_wordsize.
After transition from long to kernel_ulong_t there should be no sign
extension issues with tracee addresses, and invalid addresses should
be printed properly.
* util.c (umoven): Check [SIZEOF_KERNEL_LONG_T > 4] instead
of [SIZEOF_LONG > 4], reject addresses that do not fit into
current_wordsize.
* tests/umoven-illptr.c: New file.
* tests/umoven-illptr.test: New test.
* tests/.gitignore: Add umoven-illptr.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add umoven-illptr.test.
Do not silently truncate tracee addresses to current_wordsize.
After transition from long to kernel_ulong_t there should be no sign
extension issues with tracee addresses, and invalid addresses should
be printed properly.
* util.c (umovestr): Check [SIZEOF_KERNEL_LONG_T > 4] instead
of [SIZEOF_LONG > 4], reject addresses that do not fit into
current_wordsize.
* tests/umovestr-illptr.c: New file.
* tests/umovestr-illptr.test: New test.
* tests/.gitignore: Add umovestr-illptr.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add umovestr-illptr.test.
After transition from long to kernel_ulong_t the implementation
could be made a bit simpler.
* lseek.c (SYS_FUNC(llseek)): Use direct cast to long long instead
of zero_extend_signed_to_ull.
After transition from long to kernel_ulong_t there are no mo
complications that required to keep a separate implementation
for x32 and mips n32.
* lseek.c (SYS_FUNC(lseek)): Merge two different implementations
into a single one.
After transition from long to kernel_ulong_t we no longer need
two versions of printaddr function.
* defs.h (printaddr): Remove.
(printaddr_klu): Rename to printaddr.
* util.c (printaddr_klu): Likewise.
* bjm.c (SYS_FUNC(init_module)): Replace printaddr_klu with printaddr.
* mem.c (do_mprotect): Likewise.
Check decoding of prctl operations that take the second syscall argument
as a pointer to an integer.
* tests/prctl-arg2-intptr.c: New file.
* tests/prctl-arg2-intptr.test: New test.
* tests/.gitignore: Add prctl-arg2-intptr.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add prctl-arg2-intptr.test.
Remove temporary macros created for transition from long
to kernel_ulong_t.
Automatically replace PRI_kr[dux] with PRI_kl[dux] using
$ git grep -l 'PRI_kr[dux]' | xargs sed -ri 's/PRI_kr([dux])/PRI_kl\1/g'
* defs.h (PRI_krd, PRI_kru, PRI_krx): Remove. All users updated.
