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Author SHA1 Message Date
Eugene Syromyatnikov
eb45473d7f Add pure syscall flag 
* basic_filters.c (lookup_class) <syscall_class>: Add "%pure" for
TRACE_PURE.
* sysent.h (TRACE_PURE): New syscall flag.
* sysent_shorthand_defs.h (PU): New shorthand macro.
* linux/32/syscallent.h ([172], [173], [174], [175], [176], [177],
[178]): Add PU flag to getpid, getppid, getuid, geteuid, getgid,
getegid, gettid syscalls.
* linux/64/syscallent.h ([172], [173], [174], [175], [176], [177],
[178]): Add PU flag to getpid, getppid, getuid, geteuid, getgid,
getegid, gettid syscalls.
* linux/aarch64/syscallent.h ([1060]): Add PU flag to getpgrp syscalls.
* linux/alpha/syscallent.h ([20], [24], [47], [63], [64], [89],
[378]): Add PU flag to getxpid, getxuid, getxgid, getpgrp, getpagesize,
getdtablesize, gettid syscalls.
* linux/arc/syscallent.h ([246]): Add PU flag to arc_gettls syscalls.
* linux/arm/syscallent.h ([20], [24], [47], [49], [50], [64], [65],
[199], [200], [201], [202], [224], [ARM_FIRST_SHUFFLED_SYSCALL+1+6]):
Add PU flag to getpid, getuid, getgid, geteuid, getegid, getppid,
getpgrp, getuid32, getgid32, geteuid32, getegid32, gettid, get_tls
syscalls.
* linux/avr32/syscallent.h ([20], [24], [47], [49], [50], [64], [65],
[176]): Add PU flag to getpid, getuid, getgid, geteuid, getegid,
getppid, getpgrp, gettid syscalls.
* linux/bfin/syscallent.h ([20], [24], [47], [49], [50], [64], [65],
[199], [200], [201], [202], [224]): Add PU flag to getpid, getuid,
getgid, geteuid, getegid, getppid, getpgrp, getuid32, getgid32,
geteuid32, getegid32, gettid syscalls.
* linux/hppa/syscallent.h ([20], [24], [47], [49], [50], [64], [65],
[206]): Add PU flag to getpid, getuid, getgid, geteuid, getegid,
getppid, getpgrp, gettid syscalls.
* linux/i386/syscallent.h ([20], [24], [47], [49], [50], [64], [65],
[199], [200], [201], [202], [224]): Add PU flag to getpid, getuid,
getgid, geteuid, getegid, getppid, getpgrp, getuid32, getgid32,
geteuid32, getegid32, gettid syscalls.
* linux/ia64/syscallent.h ([1041], [1042], [1046], [1047], [1062],
[1063], [1105], [1171]): Add PU flag to getpid, getppid, getuid,
geteuid, getgid, getegid, gettid, getpagesize syscalls.
* linux/m68k/syscallent.h ([20], [24], [47], [49], [50], [64],
[65], [166], [199], [200], [201], [202], [221], [333]): Add PU flag
to getpid, getuid, getgid, geteuid, getegid, getppid, getpgrp,
getpagesize, getuid32, getgid32, geteuid32, getegid32, gettid,
get_thread_area syscalls.
* linux/metag/syscallent.h ([248]): Add PU flag to metag_get_tls
syscalls.
* linux/microblaze/syscallent.h ([20], [24], [47], [49], [50], [64],
[65], [199], [200], [201], [202], [224]): Add PU flag to getpid,
getuid, getgid, geteuid, getegid, getppid, getpgrp, getuid32, getgid32,
geteuid32, getegid32, gettid syscalls.
* linux/powerpc64/syscallent.h ([20], [24], [47], [49], [50], [64],
[65], [207]): Add PU flag to getpid, getuid, getgid, geteuid, getegid,
getppid, getpgrp, gettid syscalls.
* linux/powerpc/syscallent.h ([20], [24], [47], [49], [50], [64],
[65], [207]): Add PU flag to getpid, getuid, getgid, geteuid, getegid,
getppid, getpgrp, gettid syscalls.
* linux/s390/syscallent.h ([20], [24], [47], [49], [50], [64], [65],
[199], [200], [201], [202], [236]): Add PU flag to getpid, getuid,
getgid, geteuid, getegid, getppid, getpgrp, getuid32, getgid32,
geteuid32, getegid32, gettid syscalls.
* linux/s390x/syscallent.h ([20], [64], [65], [199], [200], [201],
[202], [236]): Add PU flag to getpid, getppid, getpgrp, getuid,
getgid, geteuid, getegid, gettid syscalls.
* linux/sh64/syscallent.h ([20], [24], [47], [49], [50], [64], [65],
[199], [200], [201], [202], [252]): Add PU flag to getpid, getuid,
getgid, geteuid, getegid, getppid, getpgrp, getuid32, getgid32,
geteuid32, getegid32, gettid syscalls.
* linux/sh/syscallent.h ([20], [24], [47], [49], [50], [64], [65],
[199], [200], [201], [202], [224]): Add PU flag to getpid, getuid,
getgid, geteuid, getegid, getppid, getpgrp, getuid32, getgid32,
geteuid32, getegid32, gettid syscalls.
* linux/sparc64/syscallent.h ([20], [24], [47], [49], [50], [64], [81],
[143], [197], [340]): Add PU flag to getpid, getuid, getgid, geteuid,
getegid, getpagesize, getpgrp, gettid, getppid, kern_features syscalls.
* linux/sparc/syscallent.h ([20], [24], [44], [47], [49], [50], [53],
[64], [69], [70], [81], [143], [197], [340]): Add PU flag to getpid,
getuid, getuid32, getgid, geteuid, getegid, getgid32, getpagesize,
geteuid32, getegid32, getpgrp, gettid, getppid, kern_features syscalls.
* linux/x32/syscallent.h ([39], [102], [104], [107], [108], [110],
[111], [186]): Add PU flag to getpid, getuid, getgid, geteuid, getegid,
getppid, getpgrp, gettid syscalls.
* linux/x86_64/syscallent.h ([39], [102], [104], [107], [108], [110],
[111], [186]): Add PU flag to getpid, getuid, getgid, geteuid, getegid,
getppid, getpgrp, gettid syscalls.
* linux/xtensa/syscallent.h ([120], [127], [137], [139], [140], [141],
[150], [151]): Add PU flag to getpid, gettid, getuid, getgid, geteuid,
getegid, getppid, getpgrp syscalls.
* strace.1.in (.SS Filtering): Document it.
* NEWS: Mention it.
 2018-02-10 01:33:49 +00:00
Eugene Syromyatnikov
dbaa7a5b06 Print unknown syscall number in hexadecimal 
* syscall.c (struct sysent_buf): Update buf field size.
(get_scno): Print unknown syscall number in hexadecimal form.
* tests/nsyscalls.c: Update expected output.
* strace.1.in: Document it.
* NEWS: Mention it.
 2018-02-09 22:11:50 +00:00
Eugene Syromyatnikov
54038a6898 strace.1.in: history update 
strace.1.in (.SH HISTORY): Some amendments based on
https://github.com/strace/strace-talks/blob/master/2012-ossdevconf-obninsk-strace_from_upstream_PoV/ossdevconf_2012-slides-strace_from_upstream_PoV.tex
 2018-02-07 22:03:48 +00:00
Eugene Syromyatnikov
1dd94856d3 strace.1.in: minor changes 
* strace.1.in (.SH DESCRIPTION): s/a passion/passion/,
s/Here the/Here, the/, s/Where traditional/Where the traditional/,
s/output has proven/output is proven/, s/In all cases/In most cases,/¸
embolden st_mode, lstat, SIGCHLD, and SIGTTOU mentions,
s/In some cases /In some cases, /
(.SS Output format) <-o>: de-italicize dot in "filename.pid", convert
the sentence's voice to passive, some other rephrasing.  Mention
incompatibility of output piping with -ff mode.
(.SS Output options) <-t>: s/time of day/wall clock time/.
(.SS Statistics) <-c>: Remove "on Linux" mention, -F option mention.
 2018-02-07 22:03:48 +00:00
Dmitry V. Levin
69ae3ae39c strace.1: fix wording about setuid installation 
* strace.1.in (SETUID INSTALLATION): Fix wording.

Closes: https://github.com/strace/strace/issues/24
 2018-01-29 22:47:48 +00:00
Eugene Syromyatnikov
488110f800 strace.1.in: clarify mpers flags in strace -V output 
The previous description was a bit dated.

* strace.1.in (.SH "MULTIPLE PERSONALITY SUPPORT"): Remove "no-m32" and
"no-mx32", describe the situation when some of mpers flags are not
present in strace -V output.
 2018-01-19 01:04:37 +00:00
Eugene Syromyatnikov
d9f6166f0c Add compat support for s390x 
By very popular demand.

While we are here, let's refactor the condition for old_mmap_pgoff into
an arch-specific one, as it is used more than in one place.

* NEWS: Mention this.
* strace.1.in (.SH "MULTIPLE PERSONALITY SUPPORT"): Likewise.
* configure.ac (case "$host_cpu" in) <s390x>: Set arch_m32 to s390, set
cc_flags_m32 to -m31.
(st_MPERS([m32])): Add s390x.
* defs.h [S390X]: Define NEED_UID16_PARSERS.
* linux/s390/arch_sigreturn.c [!S390_FRAME_PTR] (S390_FRAME_PTR): New
macro, define to s390_frame_ptr.
[!SIGNAL_FRAMESIZE] (SIGNAL_FRAMESIZE): New macro, define to
__SIGNAL_FRAMESIZE.
[!PTR_TYPE] (PTR_TYPE): New macro, define to unsigned long.
(arch_sigreturn): Use S390_FRAME_PTR, SIGNAL_FRAMESIZE, and PTR_TYPE
instead of s390_frame_ptr, __SIGNAL_FRAMESIZE, and pointer-sized type,
respectively.
* linux/s390/get_error.c [!ARCH_REGSET] (ARCH_REGSET): New macro, define
* to s390_regset.
(get_error): Use it instead of s390_regset.
* linux/s390/get_scno.c (arch_get_scno): Likewise.
* linux/s390/get_syscall_args.c (get_syscall_args): Likewise.
* linux/s390/set_error.c (arch_set_error, arch_set_success): Likewise.
* linux/s390/set_scno.c (arch_set_scno): Likewise.
* linux/s390x/arch_regs.c (psw_compat_t, s390_compat_regs,
s390x_regs_union, s390_frame_ptr, s390x_frame_ptr, s390x_io): New
variables.
(s390_regset, s390x_regset, ARCH_REGS_FOR_GETREGSET,
ARCH_IOVEC_FOR_GETREGSET, ARCH_PC_REG, ARCH_PERSONALITY_0_IOV_SIZE,
ARCH_PERSONALITY_1_IOV_SIZE): New macros.
* linux/s390x/arch_regs.h (s390_frame_ptr, s390x_frame_ptr): New
prototypes.
* linux/s390x/arch_rt_sigframe.c: Conditionalize on tcp->currpers.
* linux/s390x/arch_sigreturn.c: Likewise.
* linux/s390x/get_error.c: Likewise.
* linux/s390x/get_scno.c: Likewise.
* linux/s390x/get_syscall_args.c: Likewise.
* linux/s390x/set_error.c: Likewise.
* linux/s390x/set_scno.c: Likewise.
* linux/s390x/errnoent1.h: New file.
* linux/s390x/ioctls_arch1.h: Likewise.
* linux/s390x/ioctls_inc1.h: Likewise.
* linux/s390x/signalent1.h: Likewise.
* linux/s390x/syscallent1.h: Likewise.
* Makefile.am (EXTRA_DIST): Add new files added to linux/s390x.
* supported_personalities.h [S390X] (SUPPORTED_PERSONALITIES): Define
to 2.
* tests/strace-V.test: Add s390 to the list of architectures that have
m32 personality.
* linux/s390/arch_defs.h (HAVE_ARCH_OLD_MMAP_PGOFF): New macro.
* linux/s390x/arch_defs.h: Likewise.
* mem.c: Replace #ifdef S390 with #ifdef HAVE_ARCH_OLD_MMAP_PGOFF.
* pathtrace.c: Likewise.
 2018-01-19 02:04:37 +01:00
Dmitry V. Levin
459b13e1b8 strace.1: fix typo 
* strace.1.in (.SH NOTES): Replace prlimit with prlimit64.
 2018-01-11 15:54:33 +00:00
Eugene Syromyatnikov
b172dbf27a Document multiple personalities support 
* strace.1.in (.SH "MULTIPLE PERSONALITY SUPPORT"): New section.
 2018-01-11 15:54:33 +00:00
Eugene Syromyatnikov
bc3b5adccf strace.1: advertise strace-log-merge 
In order to raise awareness about strace-log-merge, mention it in
SEE ALSO section and -ff option description.

* strace.1.in (.SS Filtering) <.TP .B \-ff>: Mention strace-log-merge.
(.SH "SEE ALSO"): Likewise.
 2018-01-01 17:25:39 +01:00
Eugene Syromyatnikov
36fd4ce02b strace.1.in: mention perf and ftrace in SEE ALSO 
* strace.1.in (.SH SEE ALSO): Add references to perf-trace(1) and
trace-cmd(1).
 2017-12-21 13:12:36 +00:00
Eugene Syromyatnikov
138b417723 strace.1.in: clarify -F option behaviour 
* strace.1.in <.TP \-F>: Extend deprecation warning.  Describe behaviour
of multiple instances of -F and interoperability of -F and -f.
 2017-12-21 13:12:36 +00:00
Dmitry V. Levin
ed9faa2e27 Disallow more than one signal= specification in an injection expression 
Specifying several signal= specifications in an injection expressions
makes no sense.

* filter_qualify.c (parse_inject_token): Disallow second
signal= specification.
* strace.1.in: Document it.
* tests/qual_inject-syntax.test: Check it.
 2017-08-28 23:38:43 +00:00
Eugene Syromyatnikov
d720877b1f Make description of discrepancies between libc and kernel APIs more relevant 
Looks like this part was untouched since the days strace supported OSes
other than Linux. Well, it's time to make it more contemporary.

* strace.1.in (.SH NOTES): Use faccessat(2) and setrlimit(2)/prlimit(2)
instead of time(2) and stat(2)/xstat(2) as examples of libc/kernel API
discrepancies.
 2017-08-14 00:29:15 +02:00
Eugene Syromyatnikov
87fd823df9 strace.1: add indentation to examples 
* strace.1 (.de CW): Add .in +4n.
(.de CE): Add .in.
 2017-08-10 21:36:01 +02:00
Eugene Syromyatnikov
23bd66bfee Generate date for the man page 
* Makefile.am (dist-hook): Add .strace.1.in.date generation.
* strace.spec.in (%setup): Likewise.
* configure.ac (manpage_date): New m4 define.
(MANPAGE_DATE): New define/subst.
* strace.1 (.TH): Add manpage date and strace's version.
 2017-08-10 21:36:01 +02:00
Eugene Syromyatnikov
4f9270f0c5 Make strace.1 generated 
* .gitignore (/strace.1): New entry.
* configure.ac (AC_CONFIG_FILES): Add strace.1.
* strace.1.in: Rename from strace.1.
 2017-08-10 21:36:01 +02:00