1/* $NetBSD: cerror.S,v 1.6 2002/07/30 06:07:59 matt Exp $ */ 2 3#include <machine/asm.h> 4#include "SYS.h" 5 6#ifndef _REENTRANT 7 .globl _C_LABEL(errno) 8#endif 9 10ENTRY(__cerror) 11#ifdef _REENTRANT 12 mflr %r0 13 stwu %r1,-16(%r1) # allocate new stack frame 14 stw %r0,20(%r1) 15 stw %r31,8(%r1) 16 mr %r31,%r3 # stash away in callee-saved register 17 bl PIC_PLT(_C_LABEL(__errno)) 18 stw %r31,0(%r3) 19 lwz %r0,20(%r1) 20 lwz %r31,8(%r1) 21 mtlr %r0 22 la %r1,16(%r1) 23#else 24#ifdef PIC 25 mflr %r10 26 bl _GLOBAL_OFFSET_TABLE_@local-4 27 mflr %r4 28 lwz %r4,_C_LABEL(errno)@got(%r4) 29 stw %r3,0(%r4) 30 mtlr %r10 31#else 32 lis %r4,_C_LABEL(errno)@ha 33 stw %r3,_C_LABEL(errno)@l(%r4) 34#endif /* PIC */ 35#endif /* _REENTRANT */ 36 li %r3,-1 37 li %r4,-1 38 blr 39