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lib/libsys/mips/sys/cerror.S
- This file was moved from lib/libc/i386/sys/cerror.S.
| /* $NetBSD: cerror.S,v 1.14 2009/12/14 01:07:42 matt Exp $ */ | |||||
| /*- | /*- | ||||
| * Copyright (c) 1990 The Regents of the University of California. | * Copyright (c) 1991, 1993 | ||||
| * All rights reserved. | * The Regents of the University of California. All rights reserved. | ||||
| * | * | ||||
| * This code is derived from software contributed to Berkeley by | * This code is derived from software contributed to Berkeley by | ||||
| * William Jolitz. | * Ralph Campbell. | ||||
| * | * | ||||
| * Redistribution and use in source and binary forms, with or without | * Redistribution and use in source and binary forms, with or without | ||||
| * modification, are permitted provided that the following conditions | * modification, are permitted provided that the following conditions | ||||
| * are met: | * are met: | ||||
| * 1. Redistributions of source code must retain the above copyright | * 1. Redistributions of source code must retain the above copyright | ||||
| * notice, this list of conditions and the following disclaimer. | * notice, this list of conditions and the following disclaimer. | ||||
| * 2. Redistributions in binary form must reproduce the above copyright | * 2. Redistributions in binary form must reproduce the above copyright | ||||
| * notice, this list of conditions and the following disclaimer in the | * notice, this list of conditions and the following disclaimer in the | ||||
| Show All 10 Lines | |||||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||||
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||||
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||||
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | ||||
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||||
| * SUCH DAMAGE. | * SUCH DAMAGE. | ||||
| */ | */ | ||||
| #if defined(SYSLIBC_SCCS) && !defined(lint) | |||||
| .asciz "@(#)cerror.s 5.1 (Berkeley) 4/23/90" | |||||
| #endif /* SYSLIBC_SCCS and not lint */ | |||||
| #include <machine/asm.h> | #include <machine/asm.h> | ||||
| __FBSDID("$FreeBSD$"); | __FBSDID("$FreeBSD$"); | ||||
| #include "SYS.h" | #include "SYS.h" | ||||
| .globl HIDENAME(cerror) | #if defined(LIBC_SCCS) && !defined(lint) | ||||
| .hidden HIDENAME(cerror) | #if 0 | ||||
| RCSID("from: @(#)cerror.s 8.1 (Berkeley) 6/16/93") | |||||
| /* | |||||
| * The __error() function is thread aware. For non-threaded | |||||
| * programs and the initial threaded in threaded programs, | |||||
| * it returns a pointer to the global errno variable. | |||||
| */ | |||||
| .globl CNAME(__error) | |||||
| .type CNAME(__error),@function | |||||
| HIDENAME(cerror): | |||||
| #ifdef PIC | |||||
| PIC_PROLOGUE | |||||
| pushl %eax | |||||
| call PIC_PLT(CNAME(__error)) | |||||
| popl %ecx | |||||
| PIC_EPILOGUE | |||||
| #else | #else | ||||
| pushl %eax | RCSID("$NetBSD: cerror.S,v 1.14 2009/12/14 01:07:42 matt Exp $") | ||||
| call CNAME(__error) | |||||
| popl %ecx | |||||
| #endif | #endif | ||||
| movl %ecx,(%eax) | #endif /* LIBC_SCCS and not lint */ | ||||
| movl $-1,%eax | |||||
| movl $-1,%edx | |||||
| ret | |||||
| .section .note.GNU-stack,"",%progbits | .globl _C_LABEL(__error) | ||||
| NESTED_NOPROFILE(__cerror, CALLFRAME_SIZ, ra) | |||||
| .mask 0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ) | |||||
| SETUP_GP | |||||
| PTR_SUBU sp, sp, CALLFRAME_SIZ | |||||
| SETUP_GP64(CALLFRAME_GP, __cerror) | |||||
| SAVE_GP(CALLFRAME_GP) | |||||
| PTR_S ra, CALLFRAME_RA(sp) | |||||
| REG_S v0, CALLFRAME_S0(sp) # save errno value | |||||
| PTR_LA t9, _C_LABEL(__error) # locate address of errno | |||||
| jalr t9 | |||||
| REG_L t0, CALLFRAME_S0(sp) | |||||
| PTR_L ra, CALLFRAME_RA(sp) | |||||
| INT_S t0, 0(v0) # update errno value | |||||
| RESTORE_GP64 | |||||
| PTR_ADDU sp, sp, CALLFRAME_SIZ | |||||
| li v0, -1 | |||||
| li v1, -1 | |||||
| j ra | |||||
| END(__cerror) | |||||