| 1 | #include <asm/unistd.h>
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| 2 |
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| 3 | extern inline volatile void exit(int status)
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| 4 | {
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| 5 | int __res;
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| 6 | __asm__ volatile ("movl %%ecx,%%ebx\n"\
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| 7 | "int $0x80" \
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| 8 | : "=a" (__res) : "0" (__NR_exit),"c" ((long)(status)));
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| 9 | }
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| 10 |
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| 11 | extern inline int write(int fd, const char * buf, int len)
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| 12 | {
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| 13 | int status;
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| 14 | __asm__ volatile ("pushl %%ebx\n"\
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| 15 | "movl %%esi,%%ebx\n"\
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| 16 | "int $0x80\n" \
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| 17 | "popl %%ebx\n"\
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| 18 | : "=a" (status) \
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| 19 | : "0" (__NR_write),"S" ((long)(fd)),"c" ((long)(buf)),"d" ((long)(len)));
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| 20 | }
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| 21 |
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| 22 | void _start(void)
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| 23 | {
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| 24 | write(1, "Hello World\n", 12);
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| 25 | exit(0);
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| 26 | }
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