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36 lines
904 B
C
36 lines
904 B
C
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/*
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* test source file for assembling to ELF
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* build with:
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* nasm -f elf elftest.asm
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* gcc -o elftest elftest.c elftest.o
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* (assuming your gcc is ELF)
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*/
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#include <stdio.h>
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extern int lrotate(long, int);
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extern void greet(void);
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extern char asmstr[];
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extern void *selfptr;
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extern void *textptr;
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extern int integer, commvar;
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int main(void) {
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printf("Testing lrotate: should get 0x00400000, 0x00000001\n");
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printf("lrotate(0x00040000, 4) = 0x%08lx\n", lrotate(0x40000,4));
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printf("lrotate(0x00040000, 14) = 0x%08lx\n", lrotate(0x40000,14));
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printf("This string should read `hello, world': `%s'\n", asmstr);
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printf("The integers here should be 1234, 1235 and 4321:\n");
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integer = 1234;
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commvar = 4321;
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greet();
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printf("These pointers should be equal: %p and %p\n",
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&greet, textptr);
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printf("So should these: %p and %p\n", selfptr, &selfptr);
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}
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