xref: /minix3/lib/libc/arch/or1k/sys/cerror.S (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc/*	$NetBSD: cerror.S,v 1.1 2014/09/03 19:34:26 matt Exp $	*/
2*0a6a1f1dSLionel Sambuc
3*0a6a1f1dSLionel Sambuc#include "SYS.h"
4*0a6a1f1dSLionel Sambuc#include "assym.h"
5*0a6a1f1dSLionel Sambuc
6*0a6a1f1dSLionel Sambuc#if defined(LIBC_SCCS) && !defined(lint)
7*0a6a1f1dSLionel Sambuc__RCSID("$NetBSD: cerror.S,v 1.1 2014/09/03 19:34:26 matt Exp $")
8*0a6a1f1dSLionel Sambuc#endif /* LIBC_SCCS && !lint */
9*0a6a1f1dSLionel Sambuc
10*0a6a1f1dSLionel Sambuc#ifndef _REENTRANT
11*0a6a1f1dSLionel Sambuc	.globl	_C_LABEL(errno)
12*0a6a1f1dSLionel Sambuc#endif
13*0a6a1f1dSLionel Sambuc#ifdef __PIC__
14*0a6a1f1dSLionel Sambuc	.protected _C_LABEL(__cerror)
15*0a6a1f1dSLionel Sambuc#endif
16*0a6a1f1dSLionel Sambuc
17*0a6a1f1dSLionel SambucENTRY(__cerror)
18*0a6a1f1dSLionel Sambuc#ifdef _REENTRANT
19*0a6a1f1dSLionel Sambuc	l.sw	-4(r1),r3
20*0a6a1f1dSLionel Sambuc	l.sw	-8(r1),lr
21*0a6a1f1dSLionel Sambuc	l.sw	-16(r1),r1
22*0a6a1f1dSLionel Sambuc	l.addi	r1,r1,-16
23*0a6a1f1dSLionel Sambuc#ifdef __PIC__
24*0a6a1f1dSLionel Sambuc	l.sw	-12(r1),r16
25*0a6a1f1dSLionel Sambuc	PIC_GOTSETUP(r16)
26*0a6a1f1dSLionel Sambuc#endif
27*0a6a1f1dSLionel Sambuc	l.jal	PLT(_C_LABEL(__errno))	# needs got in r16
28*0a6a1f1dSLionel Sambuc	l.nop
29*0a6a1f1dSLionel Sambuc	l.addi	r1,r1,16
30*0a6a1f1dSLionel Sambuc#ifdef __PIC__
31*0a6a1f1dSLionel Sambuc	l.lwz	r16,-12(r1)
32*0a6a1f1dSLionel Sambuc#endif
33*0a6a1f1dSLionel Sambuc	l.lwz	lr,-8(r1)
34*0a6a1f1dSLionel Sambuc	l.lwz	r3,-4(r1)
35*0a6a1f1dSLionel Sambuc#else
36*0a6a1f1dSLionel Sambuc#ifdef __PIC__
37*0a6a1f1dSLionel Sambuc	l.or	r8,r9,r0
38*0a6a1f1dSLionel Sambuc	PIC_GOTSETUP(r4)
39*0a6a1f1dSLionel Sambuc	l.lwz	r11,got(_C_LABEL(errno))(r4)
40*0a6a1f1dSLionel Sambuc	l.or	r9,r8,r0
41*0a6a1f1dSLionel Sambuc#else
42*0a6a1f1dSLionel Sambuc	l.movi	r11,hi(_C_LABEL(errno))
43*0a6a1f1dSLionel Sambuc	l.ori	r11,lo(_C_LABEL(errno))
44*0a6a1f1dSLionel Sambuc#endif /* __PIC__ */
45*0a6a1f1dSLionel Sambuc#endif /* _REENTRANT */
46*0a6a1f1dSLionel Sambuc	l.sw	0(r11),r3
47*0a6a1f1dSLionel Sambuc	l.addi	r11,r0,-1
48*0a6a1f1dSLionel Sambuc	l.addi	r12,r0,-1
49*0a6a1f1dSLionel Sambuc	l.jr	lr
50*0a6a1f1dSLionel Sambuc	l.nop
51*0a6a1f1dSLionel SambucEND(__cerror)
52