static int verbose;
enum test_style {
- EXECUTE,
- OUTSIDE_MAIN,
- DEFINES_FUNC,
- INSIDE_MAIN
+ OUTSIDE_MAIN = 0x1,
+ DEFINES_FUNC = 0x2,
+ INSIDE_MAIN = 0x4,
+ DEFINES_EVERYTHING = 0x8,
+ EXECUTE = 0x8000
};
struct test {
"static int __attribute__((unused)) func(int x) { return x; }" },
{ "HAVE_ATTRIBUTE_USED", OUTSIDE_MAIN, NULL,
"static int __attribute__((used)) func(int x) { return x; }" },
- { "HAVE_BIG_ENDIAN", EXECUTE, NULL,
+ { "HAVE_BIG_ENDIAN", INSIDE_MAIN|EXECUTE, NULL,
"union { int i; char c[sizeof(int)]; } u;\n"
"u.i = 0x01020304;\n"
"return u.c[0] == 0x01 && u.c[1] == 0x02 && u.c[2] == 0x03 && u.c[3] == 0x04 ? 0 : 1;" },
{ "HAVE_GETPAGESIZE", DEFINES_FUNC, NULL,
"#include <unistd.h>\n"
"static int func(void) { return getpagesize(); }" },
- { "HAVE_LITTLE_ENDIAN", EXECUTE, NULL,
+ { "HAVE_LITTLE_ENDIAN", INSIDE_MAIN|EXECUTE, NULL,
"union { int i; char c[sizeof(int)]; } u;\n"
"u.i = 0x01020304;\n"
"return u.c[0] == 0x04 && u.c[1] == 0x03 && u.c[2] == 0x02 && u.c[3] == 0x01 ? 0 : 1;" },
" return mmap(0, 65536, PROT_READ, MAP_SHARED, fd, 0);\n"
"}" },
{ "HAVE_NESTED_FUNCTIONS", DEFINES_FUNC, NULL,
- "static int func(int val) {\n"
+ "void (*func(int val))(int);\n"
+ "void (*func(int val))(int) {\n"
" auto void add(int val2);\n"
" void add(int val2) { val += val2; }\n"
- " add(7);\n"
- " return val;\n"
- "}" },
+ " return add;\n"
+ "}\n" },
+ { "HAVE_STACK_GROWS_UPWARDS", DEFINES_EVERYTHING|EXECUTE, NULL,
+ "static long nest(const void *base, unsigned int i)\n"
+ "{\n"
+ " if (i == 0)\n"
+ " return (const char *)&i - (const char *)base;\n"
+ " return nest(base, i-1);\n"
+ "}\n"
+ "int main(int argc, char *argv[]) {\n"
+ " return (nest(&argc, argc) > 0) ? 0 : 1\n;"
+ "}\n" },
{ "HAVE_STATEMENT_EXPR", INSIDE_MAIN, NULL,
"return ({ int x = argc; x == argc ? 0 : 1; });" },
{ "HAVE_TYPEOF", INSIDE_MAIN, NULL,
err(1, "creating %s", INPUT_FILE);
fprintf(outf, "%s", PRE_BOILERPLATE);
- switch (test->style) {
- case EXECUTE:
+ switch (test->style & ~EXECUTE) {
case INSIDE_MAIN:
fprintf(outf, "%s", MAIN_START_BOILERPLATE);
fprintf(outf, "%s", test->fragment);
fprintf(outf, "%s", MAIN_BODY_BOILERPLATE);
fprintf(outf, "%s", MAIN_END_BOILERPLATE);
break;
+ case DEFINES_EVERYTHING:
+ fprintf(outf, "%s", test->fragment);
+ break;
+ default:
+ abort();
+
}
fclose(outf);
printf("Compile %s for %s, status %i: %s\n",
status ? "fail" : "warning",
test->name, status, output);
- if (test->style == EXECUTE)
+ if (test->style & EXECUTE)
errx(1, "Test for %s did not compile:\n%s",
test->name, output);
test->answer = false;
/* Compile succeeded. */
free(output);
/* We run INSIDE_MAIN tests for sanity checking. */
- if (test->style == EXECUTE || test->style == INSIDE_MAIN) {
+ if ((test->style & EXECUTE) || (test->style & INSIDE_MAIN)) {
output = run("./" OUTPUT_FILE, &status);
- if (test->style == INSIDE_MAIN && status != 0)
+ if (!(test->style & EXECUTE) && status != 0)
errx(1, "Test for %s failed with %i:\n%s",
test->name, status, output);
if (verbose && status)