diff options
Diffstat (limited to 'testsuite/ltrace.main/system_call_params.exp')
| -rw-r--r-- | testsuite/ltrace.main/system_call_params.exp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/testsuite/ltrace.main/system_call_params.exp b/testsuite/ltrace.main/system_call_params.exp new file mode 100644 index 0000000..2ccf840 --- /dev/null +++ b/testsuite/ltrace.main/system_call_params.exp @@ -0,0 +1,71 @@ +# This file is part of ltrace. +# Copyright (C) 2013, 2014 Petr Machata, Red Hat Inc. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +# 02110-1301 USA + +set bin [ltraceCompile {} [ltraceSource c { + #define _GNU_SOURCE + #include <sys/types.h> + #include <sys/stat.h> + #include <fcntl.h> + #include <unistd.h> + #include <sys/syscall.h> /* For SYS_xxx definitions */ + + #ifndef SYS_open + # if defined(__aarch64__) + # /* Linux doesn't actually implement SYS_open on AArch64, but for merely + # * recording the syscall, it's fine. */ + # define SYS_open 1024 + # else + # error SYS_open not available. + # endif + #endif + + int main(void) { + syscall(SYS_open, "/some/path", O_RDONLY); + write(1, "something", 10); + mount("source", "target", "filesystemtype", 0, 0); + } +}]] + +set dir [ltraceDir] +set conf [ltraceNamedSource "$dir/syscalls.conf" { + int open(string, int); + long write(int, string[arg3], ulong); + int mount(string, string, string, ulong, addr); +}] + +# When given the file directly via -F, ltrace should not use it for +# formatting system calls. The reason is that libraries are generally +# allowed to have functions with the same names as system calls +# (there's no interference between those two). In particular, +# readdir@SYS has a different prototype from readdir@libc. If a -F +# somelib.conf is passed, and syscalls.conf is not available, or +# doesn't list readdir, that would be taken from somelib.conf with a +# wrong prototype. + +ltraceMatch1 [ltraceRun -L -S -F $conf -- $bin] {^open@SYS\("/some/path"} == 0 + +# On the other hand, if -F somedir/ is given, we want to accept +# syscalls.conf found there. + +ltraceMatch [ltraceRun -L -S -F $dir -- $bin] { + {{^open@SYS\("/some/path"} == 1} + {{^write@SYS\(1, "something", 10\)} == 1} + {{^mount@SYS\("source", "target", "filesystemtype"} == 1} +} + +ltraceDone |