15ed768673
Try both Small PIC and Medium PIC model references. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
43 lines
1 KiB
C
43 lines
1 KiB
C
/*
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* build with:
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* nasm -f elf64 elf64so.asm
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* ld -shared -o elf64so.so elf64so.o
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* test with:
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* gcc -o elf64so elftest64.c ./elf64so.so
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* ./elf64so
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*/
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#include <stdio.h>
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#include <inttypes.h>
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extern long lrotate(long, int);
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extern void greet_s(void);
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extern void greet_m(void);
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extern int8_t asmstr[];
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extern void *selfptr;
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extern void *textptr;
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extern long integer;
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long commvar;
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int main(void)
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{
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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, 46) = 0x%08lx\n", lrotate(0x40000, 46));
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printf("This string should read `hello, world': `%s'\n", asmstr);
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printf("&integer = %p, &commvar = %p\n", &integer, &commvar);
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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_s();
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greet_m();
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printf("These pointers should be equal: %p and %p\n", &greet_s, textptr);
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printf("So should these: %p and %p\n", selfptr, &selfptr);
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return 0;
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}
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