1*84d9c625SLionel Sambuc/* $NetBSD: cerror.S,v 1.11 2013/09/12 15:36:15 joerg Exp $ */ 22fe8fb19SBen Gras 32fe8fb19SBen Gras#include "SYS.h" 42fe8fb19SBen Gras#include "assym.h" 52fe8fb19SBen Gras 62fe8fb19SBen Gras#if defined(LIBC_SCCS) && !defined(lint) 7*84d9c625SLionel Sambuc__RCSID("$NetBSD: cerror.S,v 1.11 2013/09/12 15:36:15 joerg Exp $") 82fe8fb19SBen Gras#endif /* LIBC_SCCS && !lint */ 92fe8fb19SBen Gras 102fe8fb19SBen Gras#ifndef _REENTRANT 112fe8fb19SBen Gras .globl _C_LABEL(errno) 122fe8fb19SBen Gras#endif 13*84d9c625SLionel Sambuc#ifdef __PIC__ 14e415d488SLionel Sambuc .protected _C_LABEL(__cerror) 152fe8fb19SBen Gras#endif 162fe8fb19SBen Gras 172fe8fb19SBen GrasENTRY(__cerror) 182fe8fb19SBen Gras#ifdef _REENTRANT 192fe8fb19SBen Gras mflr %r0 202fe8fb19SBen Gras stwu %r1,-CALLFRAMELEN(%r1) # allocate new stack frame 212fe8fb19SBen Gras stw %r0,CALLFRAMELEN+CALLFRAME_LR(%r1) 22*84d9c625SLionel Sambuc#ifdef __PIC__ 232fe8fb19SBen Gras stw %r30,CALLFRAME_R30(%r1) 242fe8fb19SBen Gras PIC_TOCSETUP(__cerror, %r30) 252fe8fb19SBen Gras#endif 262fe8fb19SBen Gras stw %r31,CALLFRAME_R31(%r1) 272fe8fb19SBen Gras mr %r31,%r3 # stash away in callee-saved register 282fe8fb19SBen Gras bl PIC_PLT(_C_LABEL(__errno)) 292fe8fb19SBen Gras stw %r31,0(%r3) 302fe8fb19SBen Gras lwz %r0,CALLFRAMELEN+CALLFRAME_LR(%r1) 312fe8fb19SBen Gras lwz %r31,CALLFRAME_R31(%r1) 32*84d9c625SLionel Sambuc#ifdef __PIC__ 332fe8fb19SBen Gras lwz %r30,CALLFRAME_R30(%r1) 342fe8fb19SBen Gras#endif 352fe8fb19SBen Gras mtlr %r0 362fe8fb19SBen Gras addi %r1,%r1,CALLFRAMELEN 372fe8fb19SBen Gras#else 38*84d9c625SLionel Sambuc#ifdef __PIC__ 392fe8fb19SBen Gras mflr %r10 402fe8fb19SBen Gras PIC_GOTSETUP(%r4) 412fe8fb19SBen Gras lwz %r4,_C_LABEL(errno)@got(%r4) 422fe8fb19SBen Gras stw %r3,0(%r4) 432fe8fb19SBen Gras mtlr %r10 442fe8fb19SBen Gras#else 452fe8fb19SBen Gras lis %r4,_C_LABEL(errno)@ha 462fe8fb19SBen Gras stw %r3,_C_LABEL(errno)@l(%r4) 47*84d9c625SLionel Sambuc#endif /* __PIC__ */ 482fe8fb19SBen Gras#endif /* _REENTRANT */ 492fe8fb19SBen Gras li %r3,-1 502fe8fb19SBen Gras li %r4,-1 512fe8fb19SBen Gras blr 522fe8fb19SBen GrasEND(__cerror) 53