cosmopolitan/libc/intrin/weaken.h
Justine Tunney ae0ee59614
Get aarch64 hello world working
$ 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
2023-05-10 04:20:47 -07:00

13 lines
484 B
C

#ifndef COSMOPOLITAN_LIBC_BITS_WEAKEN_H_
#define COSMOPOLITAN_LIBC_BITS_WEAKEN_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
#define _weaken(symbol) \
__extension__({ \
extern __typeof__(symbol) symbol __attribute__((__weak__)); \
&symbol; \
})
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_BITS_WEAKEN_H_ */