mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-24 23:32:06 +00:00
30 lines
621 B
ArmAsm
30 lines
621 B
ArmAsm
! 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
|