diff options
| author | PikalaxALT <pikalaxalt@gmail.com> | 2017-12-15 09:38:53 -0500 |
|---|---|---|
| committer | PikalaxALT <pikalaxalt@gmail.com> | 2017-12-15 09:39:34 -0500 |
| commit | f95a4a932476be2ba99e2fd081e8d2bc6ea12813 (patch) | |
| tree | 75f67192cb2d7b7b575c94edda318e475239b63c /newlib/libc/sys/sparc64/cerror.S | |
| parent | f60aca96985e68c7d8a52eb7bc955fb80e132f73 (diff) | |
Import newlib and create makefile
Diffstat (limited to 'newlib/libc/sys/sparc64/cerror.S')
| -rw-r--r-- | newlib/libc/sys/sparc64/cerror.S | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/newlib/libc/sys/sparc64/cerror.S b/newlib/libc/sys/sparc64/cerror.S new file mode 100644 index 0000000..c29563f --- /dev/null +++ b/newlib/libc/sys/sparc64/cerror.S @@ -0,0 +1,29 @@ +! Set errno. +! This function is called by all the syscall stubs. +! +! FIXME: We assume errno is the first member of struct _reent. +! Not sure what to do about this. + +#include <sys/syscallasm.h> + + DATA_SECTION + ALIGN (4) + GLOBAL (ASM_SYMBOL (errno)) ! FIXME: ASM_PRIVATE_SYMBOL ? +ASM_SYMBOL (errno): + WORD (0) + + TEXT_SECTION + ALIGN (4) + + GLOBAL (ASM_PRIVATE_SYMBOL (cerror)) +ASM_PRIVATE_SYMBOL (cerror): + sethi %hi (ASM_SYMBOL (errno)),%g1 + stw %o0,[%g1+%lo (ASM_SYMBOL (errno))] + jmpl %o7+8,%g0 + mov -1,%o0 + + GLOBAL (ASM_PRIVATE_SYMBOL (cerror_r)) +ASM_PRIVATE_SYMBOL (cerror_r): + stw %o0,[%o1] + jmpl %o7+8,%g0 + mov -1,%o0 |