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Justine Tunney
8da931a7f6
This program popped up on Hacker News recently. It's the only modern compiler I've ever seen that doesn't have dependencies and is easily modified. So I added all of the missing GNU extensions I like to use which means it might be possible soon to build on non-Linux and have third party not vendor gcc binaries.
17 lines
443 B
C
17 lines
443 B
C
#ifndef COSMOPOLITAN_LIBC_LINUX_EXIT_H_
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#define COSMOPOLITAN_LIBC_LINUX_EXIT_H_
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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forceinline wontreturn long LinuxExit(long rc) {
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asm volatile("syscall"
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: /* no outputs */
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: "a"(0xE7), "D"(rc)
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: "memory");
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unreachable;
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}
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_LINUX_EXIT_H_ */
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