From 22cd93dca7d0e05f5969d33a6b1178b65fae9043 Mon Sep 17 00:00:00 2001 From: Dale Rahn Date: Thu, 25 Jun 2020 01:55:15 +0000 Subject: PowerPC asm.h with tweak for 64bit. Rework ENTRY to contain the r12-> r2 and localentry code. Powerpc64 float is the same as Powerpc (_float.h, ieee[fp].h) Profile code, adapted from powerpc --- sys/arch/powerpc64/include/asm.h | 64 +++++++++++++++++++++++++++++++-- sys/arch/powerpc64/include/profile.h | 70 ++++++++++++++++++++++++++++++++++++ 2 files changed, 131 insertions(+), 3 deletions(-) create mode 100644 sys/arch/powerpc64/include/profile.h (limited to 'sys') diff --git a/sys/arch/powerpc64/include/asm.h b/sys/arch/powerpc64/include/asm.h index 58e0d9a8b21..2ba4c66aa8e 100644 --- a/sys/arch/powerpc64/include/asm.h +++ b/sys/arch/powerpc64/include/asm.h @@ -1,4 +1,62 @@ -/* Public domain. */ +/* $OpenBSD: asm.h,v 1.2 2020/06/25 01:55:14 drahn Exp $ */ -#define ENTRY(name) .globl name; name: -#define END(name) +/* + * Copyright (c) 2020 Dale Rahn + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _POWERPC64_ASM_H_ +#define _POWERPC64_ASM_H_ + +#define _C_LABEL(x) x +#define _ASM_LABEL(x) x + +# define _TMP_LABEL(x) .L_ ## x +# define _GEP_LABEL(x) .L_ ## x ## _gep0 +# define _LEP_LABEL(x) .L_ ## x ## _lep0 + +#define _ENTRY(x) \ + .text; .align 2; .globl x; .type x,@function; x: \ + _GEP_LABEL(x): \ + addis %r2, %r12, .TOC.-_GEP_LABEL(x)@ha; \ + addi %r2, %r2, .TOC.-_GEP_LABEL(x)@l; \ + _LEP_LABEL(x): \ + .localentry _C_LABEL(x), _LEP_LABEL(x)-_GEP_LABEL(x); + +#if defined(PROF) || defined(GPROF) +# define _PROF_PROLOGUE(y) \ + .section ".data"; \ + .align 2; \ +_TMP_LABEL(y):; \ + .long 0; \ + .section ".text"; \ + mflr %r0; \ + addis %r11, %r2, _TMP_LABEL(y)@toc@ha; \ + std %r0, 8(%r1); \ + addi %r0, %r11, _TMP_LABEL(y)@toc@l; \ + bl _mcount; +#else +# define _PROF_PROLOGUE(y) +#endif + +#define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE(y) +#define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE(y) +#define END(y) .size y, . - y + +#define STRONG_ALIAS(alias,sym) \ + .global alias; .set alias,sym +#define WEAK_ALIAS(alias,sym) \ + .weak alias; .set alias,sym + +#endif /* !_POWERPC64_ASM_H_ */ diff --git a/sys/arch/powerpc64/include/profile.h b/sys/arch/powerpc64/include/profile.h new file mode 100644 index 00000000000..301599e17a4 --- /dev/null +++ b/sys/arch/powerpc64/include/profile.h @@ -0,0 +1,70 @@ +/* $OpenBSD: profile.h,v 1.1 2020/06/25 01:55:14 drahn Exp $ */ + +/* + * Copyright (c) 2020 Dale Rahn drahn@openbsd.org + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * mcount frame size skips over the red zone (288B) (calling function may use) + * and 128 bytes of local storage (32 bytes of reserved and 96 of our storage + * this function assumes it will only every call the local __mcount function + */ +#define MCOUNT \ +__asm__(" \n"\ + " .section \".text\" \n"\ + " .p2align 2 \n"\ + " .globl _mcount \n"\ + " .local __mcount \n"\ + " .type _mcount,@function \n"\ + "_mcount: \n"\ + ".L_mcount_gep0: \n"\ + " addis %r2, %r12, .TOC.-.L_mcount_gep0@ha; \n"\ + " addi %r2, %r2, .TOC.-.L_mcount_gep0@l; \n"\ + ".L_mcount_lep0: \n"\ + ".localentry _mcount, .L_mcount_lep0-.L_mcount_gep0; \n"\ + " ld %r11,16(%r1) \n"\ + " mflr %r0 \n"\ + " std %r0, 16(%r1) \n"\ + " stdu %r1,-(288+128)(%r1) \n"\ + " std %r3, 32(%r1) \n"\ + " std %r4, 40(%r1) \n"\ + " std %r5, 48(%r1) \n"\ + " std %r6, 56(%r1) \n"\ + " std %r7, 64(%r1) \n"\ + " std %r8, 72(%r1) \n"\ + " std %r9, 80(%r1) \n"\ + " std %r10,88(%r1) \n"\ + " std %r11,96(%r1) \n"\ + " mr %r4, %r0 \n"\ + " mr %r3, %r11 \n"\ + " bl __mcount \n"\ + " nop \n"\ + " ld %r3, 32(%r1) \n"\ + " ld %r4, 40(%r1) \n"\ + " ld %r5, 48(%r1) \n"\ + " ld %r6, 56(%r1) \n"\ + " ld %r7, 64(%r1) \n"\ + " ld %r8, 72(%r1) \n"\ + " ld %r9, 80(%r1) \n"\ + " ld %r10,88(%r1) \n"\ + " ld %r11,96(%r1) \n"\ + " addi %r1, %r1, (288+128) \n"\ + " ld %r0, 16(%r1) \n"\ + " std %r11,16(%r1) \n"\ + " mtlr %r0 \n"\ + " blr \n"\ + " .size _mcount, .-_mcount \n"\ + ); +#define _MCOUNT_DECL static void __mcount -- cgit v1.2.3