1*b54ea104Sdrahn /* $OpenBSD: profile.h,v 1.1 2020/06/25 01:55:14 drahn Exp $ */ 2*b54ea104Sdrahn 3*b54ea104Sdrahn /* 4*b54ea104Sdrahn * Copyright (c) 2020 Dale Rahn drahn@openbsd.org 5*b54ea104Sdrahn * 6*b54ea104Sdrahn * Permission to use, copy, modify, and distribute this software for any 7*b54ea104Sdrahn * purpose with or without fee is hereby granted, provided that the above 8*b54ea104Sdrahn * copyright notice and this permission notice appear in all copies. 9*b54ea104Sdrahn * 10*b54ea104Sdrahn * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11*b54ea104Sdrahn * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12*b54ea104Sdrahn * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13*b54ea104Sdrahn * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14*b54ea104Sdrahn * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15*b54ea104Sdrahn * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16*b54ea104Sdrahn * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17*b54ea104Sdrahn */ 18*b54ea104Sdrahn 19*b54ea104Sdrahn /* 20*b54ea104Sdrahn * mcount frame size skips over the red zone (288B) (calling function may use) 21*b54ea104Sdrahn * and 128 bytes of local storage (32 bytes of reserved and 96 of our storage 22*b54ea104Sdrahn * this function assumes it will only every call the local __mcount function 23*b54ea104Sdrahn */ 24*b54ea104Sdrahn #define MCOUNT \ 25*b54ea104Sdrahn __asm__(" \n"\ 26*b54ea104Sdrahn " .section \".text\" \n"\ 27*b54ea104Sdrahn " .p2align 2 \n"\ 28*b54ea104Sdrahn " .globl _mcount \n"\ 29*b54ea104Sdrahn " .local __mcount \n"\ 30*b54ea104Sdrahn " .type _mcount,@function \n"\ 31*b54ea104Sdrahn "_mcount: \n"\ 32*b54ea104Sdrahn ".L_mcount_gep0: \n"\ 33*b54ea104Sdrahn " addis %r2, %r12, .TOC.-.L_mcount_gep0@ha; \n"\ 34*b54ea104Sdrahn " addi %r2, %r2, .TOC.-.L_mcount_gep0@l; \n"\ 35*b54ea104Sdrahn ".L_mcount_lep0: \n"\ 36*b54ea104Sdrahn ".localentry _mcount, .L_mcount_lep0-.L_mcount_gep0; \n"\ 37*b54ea104Sdrahn " ld %r11,16(%r1) \n"\ 38*b54ea104Sdrahn " mflr %r0 \n"\ 39*b54ea104Sdrahn " std %r0, 16(%r1) \n"\ 40*b54ea104Sdrahn " stdu %r1,-(288+128)(%r1) \n"\ 41*b54ea104Sdrahn " std %r3, 32(%r1) \n"\ 42*b54ea104Sdrahn " std %r4, 40(%r1) \n"\ 43*b54ea104Sdrahn " std %r5, 48(%r1) \n"\ 44*b54ea104Sdrahn " std %r6, 56(%r1) \n"\ 45*b54ea104Sdrahn " std %r7, 64(%r1) \n"\ 46*b54ea104Sdrahn " std %r8, 72(%r1) \n"\ 47*b54ea104Sdrahn " std %r9, 80(%r1) \n"\ 48*b54ea104Sdrahn " std %r10,88(%r1) \n"\ 49*b54ea104Sdrahn " std %r11,96(%r1) \n"\ 50*b54ea104Sdrahn " mr %r4, %r0 \n"\ 51*b54ea104Sdrahn " mr %r3, %r11 \n"\ 52*b54ea104Sdrahn " bl __mcount \n"\ 53*b54ea104Sdrahn " nop \n"\ 54*b54ea104Sdrahn " ld %r3, 32(%r1) \n"\ 55*b54ea104Sdrahn " ld %r4, 40(%r1) \n"\ 56*b54ea104Sdrahn " ld %r5, 48(%r1) \n"\ 57*b54ea104Sdrahn " ld %r6, 56(%r1) \n"\ 58*b54ea104Sdrahn " ld %r7, 64(%r1) \n"\ 59*b54ea104Sdrahn " ld %r8, 72(%r1) \n"\ 60*b54ea104Sdrahn " ld %r9, 80(%r1) \n"\ 61*b54ea104Sdrahn " ld %r10,88(%r1) \n"\ 62*b54ea104Sdrahn " ld %r11,96(%r1) \n"\ 63*b54ea104Sdrahn " addi %r1, %r1, (288+128) \n"\ 64*b54ea104Sdrahn " ld %r0, 16(%r1) \n"\ 65*b54ea104Sdrahn " std %r11,16(%r1) \n"\ 66*b54ea104Sdrahn " mtlr %r0 \n"\ 67*b54ea104Sdrahn " blr \n"\ 68*b54ea104Sdrahn " .size _mcount, .-_mcount \n"\ 69*b54ea104Sdrahn ); 70*b54ea104Sdrahn #define _MCOUNT_DECL static void __mcount 71