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! 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 "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
st %o0,[%g1+%lo (ASM_SYMBOL (errno))]
jmpl %o7+8,%g0
mov -1,%o0
GLOBAL (ASM_PRIVATE_SYMBOL (cerror_r))
ASM_PRIVATE_SYMBOL (cerror_r):
st %o0,[%o1]
jmpl %o7+8,%g0
mov -1,%o0
! Since all system calls need this file, we put various state globals
! here as well.
DATA_SECTION
! CURBRK contains the current top of allocated space.
! END is a private symbol in svr4, but a public one in sunos4.
! FIXME: CURBRK is 4 bytes for now.
ALIGN (4)
GLOBAL (ASM_PRIVATE_SYMBOL (curbrk))
ASM_PRIVATE_SYMBOL (curbrk):
#ifdef SVR4
WORD (ASM_PRIVATE_SYMBOL (end))
#else
WORD (ASM_SYMBOL (end))
#endif
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