1/* $NetBSD: _mcount.S,v 1.2 2005/12/21 18:11:11 christos Exp $ */ 2 3/* 4 * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30#if defined(GPROF) && !defined(_STANDALONE) 31 32#include <machine/asm.h> 33#include <machine/profile.h> 34 35#define OFFSET_AT (0 * 8) 36#define OFFSET_V0 (1 * 8) 37#define OFFSET_T0 (2 * 8) 38#define OFFSET_T1 (3 * 8) 39#define OFFSET_T2 (4 * 8) 40#define OFFSET_T3 (5 * 8) 41#define OFFSET_T4 (6 * 8) 42#define OFFSET_T5 (7 * 8) 43#define OFFSET_T6 (8 * 8) 44#define OFFSET_T7 (9 * 8) 45#define OFFSET_S6 (10 * 8) 46#define OFFSET_A0 (11 * 8) 47#define OFFSET_A1 (12 * 8) 48#define OFFSET_A2 (13 * 8) 49#define OFFSET_A3 (14 * 8) 50#define OFFSET_A4 (15 * 8) 51#define OFFSET_A5 (16 * 8) 52#define OFFSET_T8 (17 * 8) 53#define OFFSET_T9 (18 * 8) 54#define OFFSET_T10 (19 * 8) 55#define OFFSET_T11 (20 * 8) 56#define OFFSET_RA (21 * 8) 57#define OFFSET_T12 (22 * 8) 58#define OFFSET_GP (23 * 8) 59#define FRAME_SIZE (24 * 8) 60 61LEAF_NOPROFILE(_mcount,0) /* XXX */ 62 .set noat 63 .set noreorder 64 65 lda sp, -FRAME_SIZE(sp) 66 67 stq at_reg, OFFSET_AT(sp) 68 stq v0, OFFSET_V0(sp) 69 stq t0, OFFSET_T0(sp) 70 stq t1, OFFSET_T1(sp) 71 stq t2, OFFSET_T2(sp) 72 stq t3, OFFSET_T3(sp) 73 stq t4, OFFSET_T4(sp) 74 stq t5, OFFSET_T5(sp) 75 stq t6, OFFSET_T6(sp) 76 stq t7, OFFSET_T7(sp) 77 stq s6, OFFSET_S6(sp) /* XXX because run _after_ prologue. */ 78 stq a0, OFFSET_A0(sp) 79 stq a1, OFFSET_A1(sp) 80 stq a2, OFFSET_A2(sp) 81 stq a3, OFFSET_A3(sp) 82 stq a4, OFFSET_A4(sp) 83 stq a5, OFFSET_A5(sp) 84 stq t8, OFFSET_T8(sp) 85 stq t9, OFFSET_T9(sp) 86 stq t10, OFFSET_T10(sp) 87 stq t11, OFFSET_T11(sp) 88 stq ra, OFFSET_RA(sp) 89 stq t12, OFFSET_T12(sp) 90 stq gp, OFFSET_GP(sp) 91 92 br pv, 1f 931: LDGP(pv) 94 mov ra, a0 95 mov at_reg, a1 96 CALL(_MCOUNT_FUNC) 97 98 ldq v0, OFFSET_V0(sp) 99 ldq t0, OFFSET_T0(sp) 100 ldq t1, OFFSET_T1(sp) 101 ldq t2, OFFSET_T2(sp) 102 ldq t3, OFFSET_T3(sp) 103 ldq t4, OFFSET_T4(sp) 104 ldq t5, OFFSET_T5(sp) 105 ldq t6, OFFSET_T6(sp) 106 ldq t7, OFFSET_T7(sp) 107 ldq s6, OFFSET_S6(sp) /* XXX because run _after_ prologue. */ 108 ldq a0, OFFSET_A0(sp) 109 ldq a1, OFFSET_A1(sp) 110 ldq a2, OFFSET_A2(sp) 111 ldq a3, OFFSET_A3(sp) 112 ldq a4, OFFSET_A4(sp) 113 ldq a5, OFFSET_A5(sp) 114 ldq t8, OFFSET_T8(sp) 115 ldq t9, OFFSET_T9(sp) 116 ldq t10, OFFSET_T10(sp) 117 ldq t11, OFFSET_T11(sp) 118 ldq ra, OFFSET_RA(sp) 119 ldq t12, OFFSET_T12(sp) 120 ldq gp, OFFSET_GP(sp) 121 122 ldq at_reg, OFFSET_AT(sp) 123 124 lda sp, FRAME_SIZE(sp) 125 ret zero, (at_reg), 1 126 127 END(_mcount) 128#endif 129