Initial Spring 2016 commit.
This commit is contained in:
Geoffrey Challen
24
userland/testbin/randcall/Makefile
Normal file
24
userland/testbin/randcall/Makefile
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@@ -0,0 +1,24 @@
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# Makefile for badcall
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TOP=../../..
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.include "$(TOP)/mk/os161.config.mk"
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PROG=randcall
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SRCS=$(MYBUILDDIR)/calls.c main.c
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BINDIR=/testbin
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CFLAGS+=-I.
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.include "$(TOP)/mk/os161.prog.mk"
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$(MYBUILDDIR)/calls.c: gencalls.sh callspecs.txt
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./gencalls.sh callspecs.txt > $(MYBUILDDIR)/calls.c
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predepend:
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$(MAKE) $(MYBUILDDIR)/calls.c
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clean: myclean
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myclean:
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rm -f $(MYBUILDDIR)/calls.c
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.PHONY: predepend myclean
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26
userland/testbin/randcall/callspecs.txt
Normal file
26
userland/testbin/randcall/callspecs.txt
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2 execv ptr ptr
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2 waitpid int ptr int
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2 open ptr int int
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2 read int ptr size
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2 write int ptr size
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2 close int
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5 ioctl int int ptr
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2 lseek int off int
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4 fsync int
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4 ftruncate int off
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4 fstat int ptr
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4 remove ptr
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4 rename ptr ptr
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5 link ptr ptr
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4 mkdir ptr int
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4 rmdir ptr
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2 chdir ptr
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4 getdirentry int ptr size
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5 symlink ptr ptr
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5 readlink ptr ptr size
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2 dup2 int int
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5 pipe ptr
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5 __time ptr ptr
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2 __getcwd ptr size
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5 stat ptr ptr
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5 lstat ptr ptr
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37
userland/testbin/randcall/extern.h
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37
userland/testbin/randcall/extern.h
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@@ -0,0 +1,37 @@
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/*
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* Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
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* The President and Fellows of Harvard College.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/types.h>
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void *randptr(void);
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int randint(void);
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off_t randoff(void);
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size_t randsize(void);
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void trycalls(int asst, int dofork, int count);
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143
userland/testbin/randcall/gencalls.sh
Executable file
143
userland/testbin/randcall/gencalls.sh
Executable file
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#!/bin/sh
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#
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# gencalls.sh - generate calls.c and calls.h
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#
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# Usage: gencalls.sh callspecs-file
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if [ "x$1" = x ]; then
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echo "Usage: $0 callspecs-file"
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exit 1
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fi
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awk < $1 '
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BEGIN {
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type["ptr"] = "void *";
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type["int"] = "int";
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type["off"] = "off_t";
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type["size"] = "size_t";
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fmt["ptr"] = "%p";
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fmt["int"] = "%d";
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fmt["off"] = "%lld";
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fmt["size"] = "%lu";
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cast["ptr"] = "";
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cast["int"] = "";
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cast["off"] = "(long long)";
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cast["size"] = "(unsigned long)";
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printf "/* Automatically generated file; do not edit */\n";
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printf "#include <sys/types.h>\n";
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printf "#include <sys/stat.h>\n";
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printf "#include <assert.h>\n";
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printf "#include <unistd.h>\n";
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printf "#include <stdio.h>\n";
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printf "#include <stdlib.h>\n";
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printf "#include <errno.h>\n";
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printf "#include <err.h>\n";
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printf "\n";
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printf "#include \"extern.h\"\n";
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printf "\n";
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printf "typedef void (*tryfunc)(int dofork);\n";
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printf "\n";
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n=0;
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}
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{
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printf "static\n";
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printf "void\n";
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printf "try_%s(int dofork)\n", $2;
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printf "{\n";
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for (i=3; i<=NF; i++) {
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printf "\t%s a%d = rand%s();\n", type[$i], i-3, $i;
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}
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printf "\tint result, pid, status;\n";
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printf "\tchar buf[128];\n";
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printf "\n";
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printf "\tsnprintf(buf, sizeof(buf), \"%s(", $2;
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for (i=3; i<=NF; i++) {
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printf "%s", fmt[$i];
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if (i<NF) printf ", ";
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}
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printf ")\",\n\t\t";
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for (i=3; i<=NF; i++) {
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printf "%s(a%d)", cast[$i], i-3;
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if (i<NF) printf ", ";
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}
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printf ");\n";
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printf"\tprintf(\"%%-47s\", buf);\n";
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#printf "\tfflush(stdout);\n";
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printf "\n";
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printf "\tpid = dofork ? fork() : 0;\n";
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printf "\tif (pid<0) {\n";
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printf "\t\terr(1, \"fork\");\n";
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printf "\t}\n";
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printf "\tif (pid>0) {\n";
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printf "\t\twaitpid(pid, &status, 0);\n";
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printf "\t\treturn;\n";
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printf "\t}\n";
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printf "\n";
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printf "\tresult = %s(", $2;
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for (i=3; i<=NF; i++) {
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printf "a%d", i-3;
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if (i<NF) printf ", ";
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}
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printf ");\n";
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printf "\tprintf(\" result %%d, errno %%d\\n\", result, errno);\n";
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printf "\tif (dofork) {\n";
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printf "\t\texit(0);\n";
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printf "\t}\n";
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printf "}\n";
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printf "\n";
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asst[$2] = $1;
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all[n++] = $2;
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}
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END {
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for (a=2; a<=5; a++) {
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printf "static tryfunc funcs%d[] = {\n", a;
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for (i=0; i<n; i++) {
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if (asst[all[i]] <= a) {
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printf "\ttry_%s,\n", all[i];
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}
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}
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printf "\tNULL\n";
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printf "};\n";
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printf "\n";
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}
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printf "static tryfunc *tables[4] = {\n";
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printf "\tfuncs2,\n";
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printf "\tfuncs3,\n";
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printf "\tfuncs4,\n";
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printf "\tfuncs5,\n";
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printf "};\n";
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printf "\n";
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printf "void\n";
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printf "trycalls(int asst, int dofork, int count)\n"
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printf "{\n";
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printf "\ttryfunc *list;\n";
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printf "\tint i, j;\n";
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printf "\n";
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printf "\tassert(asst>=2 && asst<=5);\n";
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printf "\tlist = tables[asst-2];\n";
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printf "\n";
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printf "\tfor (i=0; i<count; i++) {\n";
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printf "\t\tfor (j=0; list[j]; j++) {\n";
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printf "\t\t\t(*list[j])(dofork);\n";
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printf "\t\t}\n";
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printf "\t}\n";
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printf "}\n";
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printf "\n";
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}
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'
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166
userland/testbin/randcall/main.c
Normal file
166
userland/testbin/randcall/main.c
Normal file
@@ -0,0 +1,166 @@
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/*
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* Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
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* The President and Fellows of Harvard College.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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||||
* are met:
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||||
* 1. Redistributions of source code must retain the above copyright
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||||
* notice, this list of conditions and the following disclaimer.
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||||
* 2. Redistributions in binary form must reproduce the above copyright
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||||
* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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||||
* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
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||||
*
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* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "extern.h"
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static
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void
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randchar(char *c)
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{
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#if RAND_MAX != 0x7fffffff
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#error "This code assumes RAND_MAX is 0x7fffffff"
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#endif
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static long lbits = 0;
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static long lnum = 0;
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long bit;
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int ct = 0;
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*c = 0;
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while (ct < CHAR_BIT) {
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if (lnum==0) {
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lbits = random();
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lnum = 31;
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}
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bit = lbits & 1;
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if (bit) {
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(*c) |= 1;
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}
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(*c) <<= 1;
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ct++;
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lbits >>= 1;
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lnum--;
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}
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}
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static
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void
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fillrand(void *p, size_t len)
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{
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size_t i;
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char *cp = p;
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for (i=0; i<len; i++) {
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randchar(&cp[i]);
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}
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}
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void *
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randptr(void)
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{
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void *x;
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fillrand(&x, sizeof(x));
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return x;
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}
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int
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randint(void)
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{
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int x;
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fillrand(&x, sizeof(x));
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return x;
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}
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off_t
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randoff(void)
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{
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off_t x;
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fillrand(&x, sizeof(x));
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return x;
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}
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size_t
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randsize(void)
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{
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size_t x;
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fillrand(&x, sizeof(x));
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return x;
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}
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static
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void
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usage(void)
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{
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printf("Usage: randcall [-f] [-c count] [-r seed] 2|3|4|all\n");
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printf(" -f suppress forking\n");
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printf(" -c set iteration count (default 100)\n");
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printf(" -r set pseudorandom seed (default 0)\n");
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exit(1);
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}
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int
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main(int argc, char *argv[])
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{
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int count=100, seed = 0, dofork = 1;
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int an, i;
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for (i=1; i<argc; i++) {
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if (!strcmp(argv[i], "-f")) {
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dofork = 0;
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}
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else if (!strcmp(argv[i], "-c") && i<argc-1) {
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count = atoi(argv[++i]);
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}
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else if (!strcmp(argv[i], "-r") && i<argc-1) {
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seed = atoi(argv[++i]);
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}
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else if (argv[i][0] == '-') {
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usage();
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}
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else {
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break;
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}
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}
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if (i != argc-1) {
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usage();
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}
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if (!strcmp(argv[i], "all")) {
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an = 5;
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}
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else {
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an = atoi(argv[i]);
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if (an <2 || an > 4) {
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usage();
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}
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}
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printf("Seed: %d Count: %d\n", seed, count);
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srandom(seed);
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trycalls(an, dofork, count);
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return 0;
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}
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Reference in New Issue
Block a user