| ptrace.S (203475) | ptrace.S (209231) |
|---|---|
| 1/* $NetBSD: ptrace.S,v 1.9 2003/08/07 16:42:17 agc Exp $ */ 2 3/*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Ralph Campbell. --- 19 unchanged lines hidden (view full) --- 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35#include <machine/asm.h> | 1/* $NetBSD: ptrace.S,v 1.9 2003/08/07 16:42:17 agc Exp $ */ 2 3/*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Ralph Campbell. --- 19 unchanged lines hidden (view full) --- 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35#include <machine/asm.h> |
| 36__FBSDID("$FreeBSD: head/lib/libc/mips/sys/ptrace.S 203475 2010-02-04 05:49:59Z neel $"); | 36__FBSDID("$FreeBSD: head/lib/libc/mips/sys/ptrace.S 209231 2010-06-16 12:55:14Z jchandra $"); |
| 37#include "SYS.h" 38 39#if defined(LIBC_SCCS) && !defined(lint) 40 ASMSTR("from: @(#)ptrace.s 8.1 (Berkeley) 6/4/93") 41 ASMSTR("$NetBSD: ptrace.S,v 1.9 2003/08/07 16:42:17 agc Exp $") 42#endif /* LIBC_SCCS and not lint */ 43 | 37#include "SYS.h" 38 39#if defined(LIBC_SCCS) && !defined(lint) 40 ASMSTR("from: @(#)ptrace.s 8.1 (Berkeley) 6/4/93") 41 ASMSTR("$NetBSD: ptrace.S,v 1.9 2003/08/07 16:42:17 agc Exp $") 42#endif /* LIBC_SCCS and not lint */ 43 |
| 44LEAF(ptrace) 45 .frame sp, 40, ra 46 .mask 0x80000000, -8 47#ifdef __ABICALLS__ 48 .set noreorder 49 .cpload t9 50 .set reorder 51#endif 52 subu sp, sp, 40 53 sw ra, 32(sp) 54#ifdef __ABICALLS__ 55 .cprestore 16 56#endif 57 la t9, _C_LABEL(__error) # locate address of errno 58 jalr t9 59#ifdef __ABICALLS__ 60 lw gp, 16(sp) 61#endif 62 sw zero, 0(v0) 63 lw ra, 32(sp) 64 addu sp, sp, 40 65 li v0, SYS_ptrace | 44NESTED_NOPROFILE(ptrace, CALLFRAME_SIZ, ra) 45 .mask 0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ) 46 SETUP_GP 47 PTR_SUBU sp, sp, CALLFRAME_SIZ 48 SETUP_GP64(CALLFRAME_GP, ptrace) 49 SAVE_GP(CALLFRAME_GP) 50 51 PTR_S ra, CALLFRAME_RA(sp) 52 53 PTR_LA t9, _C_LABEL(__error) # locate address of errno 54 jalr t9 55 56 PTR_L ra, CALLFRAME_RA(sp) 57 INT_S zero, 0(v0) # update errno value 58 59 li v0, SYS_ptrace |
| 66 syscall | 60 syscall |
| 67 bne a3, zero, 1f 68 j ra 691: 70 la t9, _C_LABEL(__cerror) 71 jr t9 | 61 62 # Load __cerror's address using our gp, then restore it. 63 PTR_LA t9, __cerror 64 RESTORE_GP64 65 PTR_ADDU sp, sp, CALLFRAME_SIZ 66 67 bne a3, zero, 1f 68 69 j ra 701: j t9 |
| 72END(ptrace) | 71END(ptrace) |