diff options
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 00000000000..c29563fefec --- /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 |