1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
# Script used in producing headers of assembly constants from C expressions.
# The input to this script looks like:
# #cpp-directive ...
# NAME1
# NAME2 expression ...
# The output of this script is C code to be run through gcc -S and then
# massaged to extract the integer constant values of the given C expressions.
# A line giving just a name implies an expression consisting of just that name.
BEGIN { started = 0 }
# cpp directives go straight through.
/^#/ { print; next }
NF >= 1 && !started {
if (test) {
print "\n#include <inttypes.h>";
print "\n#include <stdio.h>";
print "\n#include <bits/wordsize.h>";
print "\n#if __WORDSIZE == 64";
print "\ntypedef uint64_t c_t;";
print "\n#define U(n) UINT64_C (n)";
print "\n#define PRI PRId64";
print "\n#else";
print "\ntypedef uint32_t c_t;";
print "\n#define U(n) UINT32_C (n)";
print "\n#define PRI PRId32";
print "\n#endif";
print "\nstatic int do_test (void)\n{\n int bad = 0, good = 0;\n";
print "#define TEST(name, source, expr) \\\n" \
" if (U (asconst_##name) != (c_t) (expr)) { ++bad;" \
" fprintf (stderr, \"%s: %s is %\" PRI \" but %s is %\"PRI \"\\n\"," \
" source, #name, U (asconst_##name), #expr, (c_t) (expr));" \
" } else ++good;\n";
}
else
print "void dummy(void) {";
started = 1;
}
# Separator.
$1 == "--" { next }
NF == 1 { sub(/^.*$/, "& &"); }
NF > 1 {
name = $1;
sub(/^[^ ]+[ ]+/, "");
if (test)
print " TEST (" name ", \"" FILENAME ":" FNR "\", " $0 ")";
else
printf "asm (\"@@@name@@@%s@@@value@@@%%0@@@end@@@\" : : \"i\" ((long) %s));\n",
name, $0;
}
END {
if (test) {
print " printf (\"%d errors in %d tests\\n\", bad, good + bad);"
print " return bad != 0 || good == 0;\n}\n";
print "#define TEST_FUNCTION do_test ()";
}
else if (started) print "}";
}
|
