mirror of
https://github.com/jart/cosmopolitan.git
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ae0ee59614
$ m=aarch64-tiny
$ make -j8 m=$m o/$m/tool/hello/hello.com o/third_party/qemu/qemu-aarch64
$ o/third_party/qemu/qemu-aarch64 o/$m/tool/hello/hello.com
hello world
$ ls -hal o/$m/tool/hello/hello.com
-rwxr-xr-x 1 jart jart 4.0K May 9 05:04 o/aarch64-tiny/tool/hello/hello.com
300 lines
11 KiB
C
300 lines
11 KiB
C
#ifndef COSMOPOLITAN_LIBC_SYSV_ERRFUNS_H_
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#define COSMOPOLITAN_LIBC_SYSV_ERRFUNS_H_
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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/**
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* @fileoverview Optimized error return paths.
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*
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* Saying this:
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*
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* return einval();
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*
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* Instead of this:
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*
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* errno = EINVAL;
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* return -1;
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*
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* Allows the compiler to generate 11 fewer bytes of code each time.
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*
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* @return always -1
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* @see libc/sysv/errfuns.inc (for implementation)
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*/
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intptr_t einval(void) relegated;
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intptr_t eperm(void) relegated;
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intptr_t enoent(void) relegated;
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intptr_t esrch(void) relegated;
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intptr_t eintr(void) relegated;
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intptr_t eio(void) relegated;
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intptr_t enxio(void) relegated;
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intptr_t e2big(void) relegated;
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intptr_t enoexec(void) relegated;
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intptr_t ebadf(void) relegated;
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intptr_t echild(void) relegated;
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intptr_t eagain(void) relegated;
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intptr_t enomem(void) relegated;
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intptr_t eacces(void) relegated;
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intptr_t efault(void) relegated;
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intptr_t enotblk(void) relegated;
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intptr_t ebusy(void) relegated;
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intptr_t eexist(void) relegated;
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intptr_t exdev(void) relegated;
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intptr_t enodev(void) relegated;
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intptr_t enotdir(void) relegated;
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intptr_t eisdir(void) relegated;
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intptr_t enfile(void) relegated;
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intptr_t emfile(void) relegated;
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intptr_t enotty(void) relegated;
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intptr_t enotsup(void) relegated;
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intptr_t etxtbsy(void) relegated;
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intptr_t efbig(void) relegated;
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intptr_t enospc(void) relegated;
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intptr_t espipe(void) relegated;
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intptr_t erofs(void) relegated;
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intptr_t emlink(void) relegated;
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intptr_t epipe(void) relegated;
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intptr_t edom(void) relegated;
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intptr_t erange(void) relegated;
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intptr_t edeadlk(void) relegated;
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intptr_t enametoolong(void) relegated;
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intptr_t enolck(void) relegated;
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intptr_t enosys(void) relegated;
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intptr_t enotempty(void) relegated;
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intptr_t eloop(void) relegated;
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intptr_t enomsg(void) relegated;
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intptr_t eidrm(void) relegated;
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intptr_t echrng(void) relegated;
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intptr_t el2nsync(void) relegated;
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intptr_t el3hlt(void) relegated;
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intptr_t el3rst(void) relegated;
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intptr_t elnrng(void) relegated;
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intptr_t eunatch(void) relegated;
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intptr_t enocsi(void) relegated;
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intptr_t el2hlt(void) relegated;
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intptr_t ebade(void) relegated;
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intptr_t ebadr(void) relegated;
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intptr_t exfull(void) relegated;
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intptr_t enoano(void) relegated;
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intptr_t ebadrqc(void) relegated;
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intptr_t ebadslt(void) relegated;
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intptr_t enostr(void) relegated;
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intptr_t enodata(void) relegated;
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intptr_t etime(void) relegated;
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intptr_t enosr(void) relegated;
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intptr_t enonet(void) relegated;
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intptr_t enopkg(void) relegated;
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intptr_t eremote(void) relegated;
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intptr_t enolink(void) relegated;
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intptr_t eadv(void) relegated;
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intptr_t esrmnt(void) relegated;
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intptr_t ecomm(void) relegated;
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intptr_t eproto(void) relegated;
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intptr_t emultihop(void) relegated;
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intptr_t edotdot(void) relegated;
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intptr_t ebadmsg(void) relegated;
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intptr_t eoverflow(void) relegated;
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intptr_t enotuniq(void) relegated;
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intptr_t ebadfd(void) relegated;
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intptr_t eremchg(void) relegated;
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intptr_t elibacc(void) relegated;
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intptr_t elibbad(void) relegated;
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intptr_t elibscn(void) relegated;
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intptr_t elibmax(void) relegated;
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intptr_t elibexec(void) relegated;
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intptr_t eilseq(void) relegated;
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intptr_t erestart(void) relegated;
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intptr_t estrpipe(void) relegated;
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intptr_t eusers(void) relegated;
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intptr_t enotsock(void) relegated;
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intptr_t edestaddrreq(void) relegated;
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intptr_t emsgsize(void) relegated;
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intptr_t eprototype(void) relegated;
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intptr_t enoprotoopt(void) relegated;
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intptr_t eprotonosupport(void) relegated;
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intptr_t esocktnosupport(void) relegated;
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intptr_t eopnotsupp(void) relegated;
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intptr_t epfnosupport(void) relegated;
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intptr_t eafnosupport(void) relegated;
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intptr_t eaddrinuse(void) relegated;
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intptr_t eaddrnotavail(void) relegated;
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intptr_t enetdown(void) relegated;
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intptr_t enetunreach(void) relegated;
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intptr_t enetreset(void) relegated;
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intptr_t econnaborted(void) relegated;
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intptr_t econnreset(void) relegated;
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intptr_t enobufs(void) relegated;
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intptr_t eisconn(void) relegated;
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intptr_t enotconn(void) relegated;
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intptr_t eshutdown(void) relegated;
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intptr_t etoomanyrefs(void) relegated;
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intptr_t etimedout(void) relegated;
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intptr_t econnrefused(void) relegated;
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intptr_t ehostdown(void) relegated;
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intptr_t ehostunreach(void) relegated;
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intptr_t ealready(void) relegated;
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intptr_t einprogress(void) relegated;
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intptr_t estale(void) relegated;
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intptr_t euclean(void) relegated;
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intptr_t enotnam(void) relegated;
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intptr_t enavail(void) relegated;
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intptr_t eisnam(void) relegated;
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intptr_t eremoteio(void) relegated;
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intptr_t edquot(void) relegated;
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intptr_t enomedium(void) relegated;
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intptr_t emediumtype(void) relegated;
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intptr_t ecanceled(void) relegated;
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intptr_t enokey(void) relegated;
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intptr_t ekeyexpired(void) relegated;
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intptr_t ekeyrevoked(void) relegated;
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intptr_t ekeyrejected(void) relegated;
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intptr_t eownerdead(void) relegated;
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intptr_t enotrecoverable(void) relegated;
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intptr_t erfkill(void) relegated;
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intptr_t ehwpoison(void) relegated;
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#if defined(__MNO_RED_ZONE__) && defined(__GNUC__) && !defined(__STRICT_ANSI__)
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#define __ERRFUN(FUNC) \
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({ \
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intptr_t NegOne; \
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asm volatile("call\t" FUNC \
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: "=a"(NegOne) \
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: /* no outputs */ \
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: "rcx", "memory"); \
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NegOne; \
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})
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#define einval() __ERRFUN("einval")
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#define eperm() __ERRFUN("eperm")
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#define enoent() __ERRFUN("enoent")
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#define esrch() __ERRFUN("esrch")
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#define eintr() __ERRFUN("eintr")
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#define eio() __ERRFUN("eio")
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#define enxio() __ERRFUN("enxio")
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#define e2big() __ERRFUN("e2big")
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#define enoexec() __ERRFUN("enoexec")
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#define ebadf() __ERRFUN("ebadf")
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#define echild() __ERRFUN("echild")
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#define eagain() __ERRFUN("eagain")
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#define enomem() __ERRFUN("enomem")
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#define eacces() __ERRFUN("eacces")
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#define efault() __ERRFUN("efault")
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#define enotblk() __ERRFUN("enotblk")
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#define ebusy() __ERRFUN("ebusy")
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#define eexist() __ERRFUN("eexist")
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#define exdev() __ERRFUN("exdev")
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#define enodev() __ERRFUN("enodev")
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#define enotdir() __ERRFUN("enotdir")
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#define eisdir() __ERRFUN("eisdir")
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#define enfile() __ERRFUN("enfile")
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#define emfile() __ERRFUN("emfile")
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#define enotty() __ERRFUN("enotty")
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#define enotsup() __ERRFUN("enotsup")
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#define etxtbsy() __ERRFUN("etxtbsy")
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#define efbig() __ERRFUN("efbig")
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#define enospc() __ERRFUN("enospc")
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#define espipe() __ERRFUN("espipe")
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#define erofs() __ERRFUN("erofs")
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#define emlink() __ERRFUN("emlink")
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#define epipe() __ERRFUN("epipe")
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#define edom() __ERRFUN("edom")
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#define erange() __ERRFUN("erange")
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#define edeadlk() __ERRFUN("edeadlk")
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#define enametoolong() __ERRFUN("enametoolong")
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#define enolck() __ERRFUN("enolck")
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#define enosys() __ERRFUN("enosys")
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#define enotempty() __ERRFUN("enotempty")
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#define eloop() __ERRFUN("eloop")
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#define enomsg() __ERRFUN("enomsg")
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#define eidrm() __ERRFUN("eidrm")
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#define echrng() __ERRFUN("echrng")
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#define el2nsync() __ERRFUN("el2nsync")
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#define el3hlt() __ERRFUN("el3hlt")
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#define el3rst() __ERRFUN("el3rst")
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#define elnrng() __ERRFUN("elnrng")
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#define eunatch() __ERRFUN("eunatch")
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#define enocsi() __ERRFUN("enocsi")
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#define el2hlt() __ERRFUN("el2hlt")
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#define ebade() __ERRFUN("ebade")
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#define ebadr() __ERRFUN("ebadr")
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#define exfull() __ERRFUN("exfull")
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#define enoano() __ERRFUN("enoano")
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#define ebadrqc() __ERRFUN("ebadrqc")
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#define ebadslt() __ERRFUN("ebadslt")
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#define enostr() __ERRFUN("enostr")
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#define enodata() __ERRFUN("enodata")
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#define etime() __ERRFUN("etime")
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#define enosr() __ERRFUN("enosr")
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#define enonet() __ERRFUN("enonet")
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#define enopkg() __ERRFUN("enopkg")
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#define eremote() __ERRFUN("eremote")
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#define enolink() __ERRFUN("enolink")
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#define eadv() __ERRFUN("eadv")
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#define esrmnt() __ERRFUN("esrmnt")
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#define ecomm() __ERRFUN("ecomm")
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#define eproto() __ERRFUN("eproto")
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#define emultihop() __ERRFUN("emultihop")
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#define edotdot() __ERRFUN("edotdot")
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#define ebadmsg() __ERRFUN("ebadmsg")
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#define eoverflow() __ERRFUN("eoverflow")
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#define enotuniq() __ERRFUN("enotuniq")
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#define ebadfd() __ERRFUN("ebadfd")
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#define eremchg() __ERRFUN("eremchg")
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#define elibacc() __ERRFUN("elibacc")
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#define elibbad() __ERRFUN("elibbad")
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#define elibscn() __ERRFUN("elibscn")
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#define elibmax() __ERRFUN("elibmax")
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#define elibexec() __ERRFUN("elibexec")
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#define eilseq() __ERRFUN("eilseq")
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#define erestart() __ERRFUN("erestart")
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#define estrpipe() __ERRFUN("estrpipe")
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#define eusers() __ERRFUN("eusers")
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#define enotsock() __ERRFUN("enotsock")
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#define edestaddrreq() __ERRFUN("edestaddrreq")
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#define emsgsize() __ERRFUN("emsgsize")
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#define eprototype() __ERRFUN("eprototype")
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#define enoprotoopt() __ERRFUN("enoprotoopt")
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#define eprotonosupport() __ERRFUN("eprotonosupport")
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#define esocktnosupport() __ERRFUN("esocktnosupport")
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#define eopnotsupp() __ERRFUN("eopnotsupp")
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#define epfnosupport() __ERRFUN("epfnosupport")
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#define eafnosupport() __ERRFUN("eafnosupport")
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#define eaddrinuse() __ERRFUN("eaddrinuse")
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#define eaddrnotavail() __ERRFUN("eaddrnotavail")
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#define enetdown() __ERRFUN("enetdown")
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#define enetunreach() __ERRFUN("enetunreach")
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#define enetreset() __ERRFUN("enetreset")
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#define econnaborted() __ERRFUN("econnaborted")
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#define econnreset() __ERRFUN("econnreset")
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#define enobufs() __ERRFUN("enobufs")
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#define eisconn() __ERRFUN("eisconn")
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#define enotconn() __ERRFUN("enotconn")
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#define eshutdown() __ERRFUN("eshutdown")
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#define etoomanyrefs() __ERRFUN("etoomanyrefs")
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#define etimedout() __ERRFUN("etimedout")
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#define econnrefused() __ERRFUN("econnrefused")
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#define ehostdown() __ERRFUN("ehostdown")
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#define ehostunreach() __ERRFUN("ehostunreach")
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#define ealready() __ERRFUN("ealready")
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#define einprogress() __ERRFUN("einprogress")
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#define estale() __ERRFUN("estale")
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#define euclean() __ERRFUN("euclean")
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#define enotnam() __ERRFUN("enotnam")
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#define enavail() __ERRFUN("enavail")
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#define eisnam() __ERRFUN("eisnam")
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#define eremoteio() __ERRFUN("eremoteio")
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#define edquot() __ERRFUN("edquot")
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#define enomedium() __ERRFUN("enomedium")
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#define emediumtype() __ERRFUN("emediumtype")
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#define ecanceled() __ERRFUN("ecanceled")
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#define enokey() __ERRFUN("enokey")
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#define ekeyexpired() __ERRFUN("ekeyexpired")
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#define ekeyrevoked() __ERRFUN("ekeyrevoked")
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#define ekeyrejected() __ERRFUN("ekeyrejected")
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#define eownerdead() __ERRFUN("eownerdead")
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#define enotrecoverable() __ERRFUN("enotrecoverable")
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#define erfkill() __ERRFUN("erfkill")
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#define ehwpoison() __ERRFUN("ehwpoison")
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#endif
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_SYSV_ERRFUNS_H_ */
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