-# This file was written by Yao Qi <qiyao@cn.ibm.com>.
+# This file is part of ltrace.
+# Copyright (C) 2014 Petr Machata, Red Hat Inc.
+# Copyright (C) 2006 Yao Qi <qiyao@cn.ibm.com>, IBM Corporation
+#
+# 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 testfile "system_calls"
-set srcfile ${testfile}.c
-set binfile ${testfile}
+# Objectives: Verify that Ltrace can trace all the system calls in
+# execution. Note that this test is necessarily noisy. Dynamic
+# linker adds a bunch of system calls of its own.
+set empty [ltraceCompile {} [ltraceSource c {
+ int main (void) { return 0; }
+}]]
-verbose "compiling source file now....."
-# Build the shared libraries this test case needs.
-if { [ ltrace_compile "${srcdir}/${subdir}/${testfile}.c" "${objdir}/${subdir}/${binfile}" executable {debug} ] != "" } {
- send_user "Testcase compile failed, so all tests in this file will automatically fail.\n"
+set bin [ltraceCompile {} [ltraceSource c {
+ #include <stdio.h>
+ #include <unistd.h>
+ #include <sys/syscall.h>
+ #include <sys/stat.h>
+ #include <errno.h>
+ #include <stdlib.h>
+
+ int
+ main ()
+ {
+ FILE* fp;
+ char s[]="system_calls";
+ char buffer[1024];
+ struct stat state;
+
+ fp = fopen ("system_calls.tmp", "w");
+ if (fp == NULL)
+ {
+ printf("Can not create system_calls.tmp\n");
+ exit (0);
+ }
+ fwrite(s, sizeof(s), 1, fp);
+ fseek (fp, 0, SEEK_CUR);
+ fread(buffer, sizeof(s), 1, fp);
+ fclose(fp);
+
+ getcwd (buffer, sizeof buffer);
+ chdir (".");
+ symlink ("system_calls.tmp", "system_calls.link");
+ remove("system_calls.link");
+ rename ("system_calls.tmp", "system_calls.tmp1");
+ stat ("system_calls.tmp", &state);
+ access ("system_calls.tmp", R_OK);
+ remove("system_calls.tmp1");
+
+ mkdir ("system_call_mkdir", 0777);
+ rmdir ("system_call_mkdir");
+
+ return 0;
+ }
+}]]
+
+proc Calls {logfile} {
+ set fp [open $logfile]
+ set ret {}
+
+ while {[gets $fp line] >= 0} {
+ if [regexp -- {^[a-zA-Z0-9]*@SYS} $line] {
+ set call [lindex [split $line @] 0]
+ dict incr ret $call
+ }
+ }
+
+ close $fp
+ return $ret
+}
+
+proc GetDefault {d key def} {
+ if {[dict exists $d $key]} {
+ return [dict get $d $key]
+ } else {
+ return $def
+ }
}
-# set options for ltrace.
-ltrace_options "-S"
+proc Diff {d1 d2} {
+ set keys [lsort -unique [concat [dict keys $d1] [dict keys $d2]]]
+ set ret {}
+ foreach key $keys {
+ set n1 [GetDefault $d1 $key 0]
+ set n2 [GetDefault $d2 $key 0]
+ set sum [expr $n1 - $n2]
+ if {[expr $sum != 0]} {
+ dict set ret $key $sum
+ }
+ }
+ return $ret
+}
+
+proc Match {d patterns} {
+ foreach line $patterns {
+ set pattern [lindex $line 0]
+ set op [lindex $line 1]
+ set expect [lindex $line 2]
-#Run PUT for ltarce.
-set exec_output [ltrace_runtest $objdir/$subdir $objdir/$subdir/$binfile]
+ set count 0
+ foreach key [dict keys $d] {
+ if [regexp -- $pattern $key] {
+ incr count [dict get $d $key]
+ }
+ }
-#check the output of this program.
-verbose "ltrace runtest output: $exec_output\n"
+ set msgMain "$pattern was recorded $count times"
-if [regexp {ELF from incompatible architecture} $exec_output] {
- fail "32-bit ltrace can not perform on 64-bit PUTs and rebuild ltrace in 64 bit mode!"
- return
-} elseif [ regexp {Couldn't get .hash data} $exec_output ] {
- fail "Couldn't get .hash data!"
- return
+ if {[eval expr $count $op $expect]} {
+ pass $msgMain
+ } else {
+ fail "$msgMain, expected $op $expect"
+ }
+ }
}
+Match [Diff [Calls [ltraceRun -L -S -- $bin]] \
+ [Calls [ltraceRun -L -S -- $empty]]] {
+ { {^write$} == 1 }
+ { {^unlink(at)?$} >= 2 }
+ { {^open(at)?$} == 1 }
+ { {^(new|f)?stat(64)?$} == 1 }
+ { {^close$} == 1 }
+ { {^getcwd$} == 1 }
+ { {^chdir$} == 1 }
+ { {^symlink(at)?$} == 1 }
+ { {^f?access(at)?$} == 1 }
+ { {^rename(at)?$} == 1 }
+ { {^mkdir(at)?$} == 1 }
+}
-set pattern "^munmap@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 2
-set pattern "^write@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1
-set pattern "^unlink@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1
-
-set pattern "^brk@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1
-set pattern "^open@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1
-set pattern "^(new)?fstat(64)?@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 egrep
-set pattern "^(old_)?mmap2?@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 egrep
-set pattern "^close@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1
-
-set pattern "^getcwd@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1
-set pattern "^chdir@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1
-set pattern "^symlink@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1
-set pattern "^unlink@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1
-set pattern "^(new)?stat(64)?@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1 egrep
-set pattern "^access@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1
-set pattern "^rename@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1
-set pattern "^mkdir@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1
-set pattern "^rmdir@SYS"
-ltrace_verify_output ${objdir}/${subdir}/${testfile}.ltrace $pattern 1
+ltraceDone
projects / platform / upstream / ltrace.git / blobdiff