forked from Mirrors/tinycc
85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
/*****************************************************************************/
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/* test 'nodata_wanted' data output suppression */
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#if defined test_static_data_error
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void foo() {
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if (1) {
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static short w = (int)&foo; /* initializer not computable */
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}
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}
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#elif defined test_static_nodata_error
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void foo() {
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if (0) {
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static short w = (int)&foo; /* initializer not computable */
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}
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}
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#elif defined test_global_data_error
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void foo();
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static short w = (int)&foo; /* initializer not computable */
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#elif defined test_local_data_noerror
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void foo() {
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short w = &foo; /* 2 cast warnings */
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}
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#elif defined test_data_suppression_off || defined test_data_suppression_on
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#if defined test_data_suppression_on
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# define SKIP 1
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#else
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# define SKIP 0
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#endif
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#include <stdio.h>
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/* some gcc headers #define __attribute__ to empty if it's not gcc */
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#undef __attribute__
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int main()
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{
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__label__ ts0, te0, ts1, te1;
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int tl, dl;
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static char ds0 = 0;
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static char de0 = 0;
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/* get reference size of empty jmp */
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ts0:;
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if (!SKIP) {}
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te0:;
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dl = -(&de0 - &ds0);
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tl = -(&&te0 - &&ts0);
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/* test data and code suppression */
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static char ds1 = 0;
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ts1:;
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if (!SKIP) {
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static void *p = (void*)&main;
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static char cc[] = "static string";
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static double d = 8.0;
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static struct __attribute__((packed)) {
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unsigned x : 12;
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unsigned char y : 7;
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unsigned z : 28, a: 4, b: 5;
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} s = { 0x333,0x44,0x555555,6,7 };
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printf("data:\n");
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printf(" %d - %.1f - %.1f - %s - %s\n",
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sizeof 8.0, 8.0, d, __FUNCTION__, cc);
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printf(" %x %x %x %x %x\n",
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s.x, s.y, s.z, s.a, s.b);
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}
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te1:;
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static char de1 = 0;
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dl += &de1 - &ds1;
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tl += &&te1 - &&ts1;
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printf("size of data/text:\n %s/%s\n",
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dl ? "non-zero":"zero", tl ? "non-zero":"zero");
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printf("# %d/%d\n", dl, tl);
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}
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#endif
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