49 lines
697 B
C
49 lines
697 B
C
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#include <u.h>
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#include <lib9.h>
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enum {
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Njmps = 10000
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};
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void foo(void);
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void
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main(void)
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{
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int i, njmp;
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int fail = 0;
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jmp_buf label;
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njmp = 0;
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while((njmp = setjmp(label)) < Njmps)
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longjmp(label, njmp+1);
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for(i = 0; i < nelem(label); i++)
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fprint(2, "label[%d] = %p\n", i, label[i]);
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fprint(2, "main: %p foo: %p\n", main, foo);
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if(njmp != Njmps)
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fail++;
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if(label[JMPBUFPC] < (uintptr_t)main)
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fail++;
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if(label[JMPBUFPC] > (uintptr_t)foo)
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fail++;
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if(label[JMPBUFSP] > (uintptr_t)&label[nelem(label)])
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fail++;
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if(label[JMPBUFSP] < 0x7fffffd00000)
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fail++;
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if(fail == 0){
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print("PASS\n");
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exits("PASS");
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}
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print("FAIL\n");
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exits("FAIL");
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}
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void
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foo(void)
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{
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}
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