1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/build/unix/elfhack/test.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,162 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifdef DEF
1.9 +DEF(This)
1.10 +DEF(is)
1.11 +DEF(a)
1.12 +DEF(test)
1.13 +DEF(of)
1.14 +DEF(string)
1.15 +DEF(array)
1.16 +DEF(for)
1.17 +DEF(use)
1.18 +DEF(with)
1.19 +DEF(elfhack)
1.20 +DEF(to)
1.21 +DEF(see)
1.22 +DEF(whether)
1.23 +DEF(it)
1.24 +DEF(breaks)
1.25 +DEF(anything)
1.26 +DEF(but)
1.27 +DEF(one)
1.28 +DEF(needs)
1.29 +DEF(quite)
1.30 +DEF(some)
1.31 +DEF(strings)
1.32 +DEF(before)
1.33 +DEF(the)
1.34 +DEF(program)
1.35 +DEF(can)
1.36 +DEF(do)
1.37 +DEF(its)
1.38 +DEF(work)
1.39 +DEF(efficiently)
1.40 +DEF(Without)
1.41 +DEF(enough)
1.42 +DEF(data)
1.43 +DEF(relocation)
1.44 +DEF(sections)
1.45 +DEF(are)
1.46 +DEF(not)
1.47 +DEF(sufficiently)
1.48 +DEF(large)
1.49 +DEF(and)
1.50 +DEF(injected)
1.51 +DEF(code)
1.52 +DEF(wouldnt)
1.53 +DEF(fit)
1.54 +DEF(Said)
1.55 +DEF(otherwise)
1.56 +DEF(we)
1.57 +DEF(need)
1.58 +DEF(more)
1.59 +DEF(words)
1.60 +DEF(than)
1.61 +DEF(up)
1.62 +DEF(here)
1.63 +DEF(so)
1.64 +DEF(that)
1.65 +DEF(relocations)
1.66 +DEF(take)
1.67 +DEF(significant)
1.68 +DEF(bytes)
1.69 +DEF(amounts)
1.70 +DEF(which)
1.71 +DEF(isnt)
1.72 +DEF(exactly)
1.73 +DEF(easily)
1.74 +DEF(achieved)
1.75 +DEF(like)
1.76 +DEF(this)
1.77 +DEF(Actually)
1.78 +DEF(I)
1.79 +DEF(must)
1.80 +DEF(cheat)
1.81 +DEF(by)
1.82 +DEF(including)
1.83 +DEF(these)
1.84 +DEF(phrases)
1.85 +DEF(several)
1.86 +DEF(times)
1.87 +
1.88 +#else
1.89 +#pragma GCC visibility push(default)
1.90 +#include <stdlib.h>
1.91 +#include <stdio.h>
1.92 +
1.93 +#define DEF(w) static const char str_ ## w[] = #w;
1.94 +#include "test.c"
1.95 +#undef DEF
1.96 +
1.97 +const char *strings[] = {
1.98 +#define DEF(w) str_ ## w,
1.99 +#include "test.c"
1.100 +#include "test.c"
1.101 +#include "test.c"
1.102 +};
1.103 +
1.104 +/* Create a hole between two zones of relative relocations */
1.105 +const int hole[] = {
1.106 + 42, 42, 42, 42
1.107 +};
1.108 +
1.109 +const char *strings2[] = {
1.110 +#include "test.c"
1.111 +#include "test.c"
1.112 +#include "test.c"
1.113 +#include "test.c"
1.114 +#include "test.c"
1.115 +#undef DEF
1.116 +};
1.117 +
1.118 +static int ret = 1;
1.119 +
1.120 +int print_status() {
1.121 + fprintf(stderr, "%s\n", ret ? "FAIL" : "PASS");
1.122 + return ret;
1.123 +}
1.124 +
1.125 +/* On ARM, this creates a .tbss section before .init_array, which
1.126 + * elfhack could then pick instead of .init_array.
1.127 + * Also, when .tbss is big enough, elfhack may wrongfully consider
1.128 + * following sections as part of the PT_TLS segment.
1.129 + * Finally, gold makes TLS segments end on an aligned virtual address,
1.130 + * even when the underlying section ends before that, and elfhack
1.131 + * sanity checks may yield an error. */
1.132 +__thread int foo;
1.133 +__thread long long int bar[512];
1.134 +
1.135 +void end_test() {
1.136 + static int count = 0;
1.137 + /* Only exit when both constructors have been called */
1.138 + if (++count == 2)
1.139 + ret = 0;
1.140 +}
1.141 +
1.142 +void test() {
1.143 + int i = 0, j = 0;
1.144 +#define DEF_(a,i,w) \
1.145 + if (a[i++] != str_ ## w) return;
1.146 +#define DEF(w) DEF_(strings,i,w)
1.147 +#include "test.c"
1.148 +#include "test.c"
1.149 +#include "test.c"
1.150 +#undef DEF
1.151 +#define DEF(w) DEF_(strings2,j,w)
1.152 +#include "test.c"
1.153 +#include "test.c"
1.154 +#include "test.c"
1.155 +#include "test.c"
1.156 +#include "test.c"
1.157 +#undef DEF
1.158 + if (i != sizeof(strings)/sizeof(strings[0]) &&
1.159 + j != sizeof(strings2)/sizeof(strings2[0]))
1.160 + fprintf(stderr, "WARNING: Test doesn't cover the whole array\n");
1.161 + end_test();
1.162 +}
1.163 +
1.164 +#pragma GCC visibility pop
1.165 +#endif
