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comparison utils/check-each-file @ 31:d22a1cf4041c

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merge with the LLVM_original
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 14:37:49 +0900
parents 95c75e76d11b
children
comparison
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2:4bc3e1cd2659 31:d22a1cf4041c
1 #!/bin/sh
2 # check-each-file
3 # Used to narrow down a miscompilation to one .o file from a list. Please read
4 # the usage procedure, below, for command-line syntax (or run it with --help).
5 # This script depends on the llvm-native-gcc script.
6
7 if [ x$1 = x--make-linker-script ]
8 then
9 program=$2
10 linker=./link-$program
11 echo "Building $program with llvm-native-gcc"
12 rm -f $program
13 gmake -e $program CC=llvm-native-gcc CXX=llvm-native-gxx
14 echo "Erasing $program and re-linking it"
15 rm -f $program
16 echo "rm -f $program" > $linker
17 gmake -n $program >> $linker
18 chmod 755 $linker
19 echo "Linker script created in $linker; testing it out"
20 output=`./$linker 2>&1`
21 case "$output" in
22 *undefined*reference*__main*)
23 echo "$program appears to need a dummy __main function; adding one"
24 echo "void __main () { }" > __main.c
25 gcc -c __main.c
26 echo "Done; rebuilding $linker"
27 echo "rm -f $program" > $linker
28 gmake -n $program 2>&1 | sed '/gcc/s/$/__main.o/' >> $linker
29 ./$linker > /dev/null 2>&1
30 if [ ! -x $program ]
31 then
32 echo "WARNING: linker script didn't work"
33 fi
34 ;;
35 *)
36 if [ ! -x $program ]
37 then
38 echo "WARNING: linker script didn't work"
39 fi
40 ;;
41 esac
42 echo "Linker script created in $linker; please check it manually"
43 exit 0
44 fi
45
46 checkfiles="$1"
47 program="$2"
48 linker="$3"
49 checker="$4"
50
51 usage () {
52 myname=`basename $0`
53 echo "$myname --make-linker-script PROGRAM"
54 echo "$myname OBJECTS-FILE PROGRAM LINKER CHECKER"
55 echo ""
56 echo "OBJECTS-FILE is a text file containing the names of all the .o files"
57 echo "PROGRAM is the name of the executable under test"
58 echo "(there must also exist a Makefile in the current directory which"
59 echo "has PROGRAM as a target)"
60 echo "LINKER is the script that builds PROGRAM; try --make-linker-script"
61 echo "to automatically generate it"
62 echo "CHECKER is the script that exits 0 if PROGRAM is ok, 1 if it is not OK"
63 echo "(LINKER and CHECKER must be in your PATH, or you should specify ./)"
64 echo ""
65 echo "Bugs to <gaeke@uiuc.edu>."
66 exit 1
67 }
68
69 if [ x$1 = x--help ]
70 then
71 usage
72 fi
73
74 if [ -z "$checkfiles" ]
75 then
76 echo "ERROR: Must specify name of file w/ list of objects as 1st arg."
77 echo "(got \"$checkfiles\")"
78 usage
79 fi
80 if [ ! -f "$checkfiles" ]
81 then
82 echo "ERROR: $checkfiles not found"
83 usage
84 fi
85 if [ -z "$program" ]
86 then
87 echo "ERROR: Must specify name of program as 2nd arg."
88 usage
89 fi
90 if [ -z "$linker" ]
91 then
92 echo "ERROR: Must specify name of link script as 3rd arg."
93 usage
94 fi
95 if [ ! -x "$linker" ]
96 then
97 echo "ERROR: $linker not found or not executable"
98 echo "You may wish to try: $0 --make-linker-script $program"
99 usage
100 fi
101 if [ -z "$checker" ]
102 then
103 echo "ERROR: Must specify name of $program check script as 3rd arg."
104 usage
105 fi
106 if [ ! -x "$checker" ]
107 then
108 echo "ERROR: $checker not found or not executable"
109 usage
110 fi
111
112 files=`cat $checkfiles`
113 echo "Recompiling everything with llvm-native-gcc"
114 for f in $files
115 do
116 rm -f $f
117 gmake $f CC=llvm-native-gcc CXX=llvm-native-gxx
118 done
119 rm -f $program
120 $linker
121 if $checker
122 then
123 echo "Sorry, I can't help you, $program is OK when compiled with llvm-native-gcc"
124 exit 1
125 fi
126 for f in $files
127 do
128 echo Trying to compile $f with native gcc and rebuild $program
129 mv ${f} ${f}__OLD__
130 gmake ${f} CC=gcc > /dev/null 2>&1
131 $linker
132 echo Checking validity of new $program
133 if $checker
134 then
135 echo Program is OK
136 okfiles="$okfiles $f"
137 else
138 echo Program is not OK
139 notokfiles="$notokfiles $f"
140 fi
141 mv ${f}__OLD__ ${f}
142 done
143 echo ""
144 echo "Program is OK when these files are recompiled with native gcc: "
145 echo "$okfiles"
146 echo ""
147 echo "Program is not OK when these files are recompiled with native gcc: "
148 echo "$notokfiles"
149 echo ""
150 exit 0