1/* 2 * Special support for eabi and SVR4 3 * 4 * Copyright (C) 1995-2018 Free Software Foundation, Inc. 5 * Written By Michael Meissner 6 * 64-bit support written by David Edelsohn 7 * 8 * This file is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 3, or (at your option) any 11 * later version. 12 * 13 * This file is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 * 18 * Under Section 7 of GPL version 3, you are granted additional 19 * permissions described in the GCC Runtime Library Exception, version 20 * 3.1, as published by the Free Software Foundation. 21 * 22 * You should have received a copy of the GNU General Public License and 23 * a copy of the GCC Runtime Library Exception along with this program; 24 * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 25 * <http://www.gnu.org/licenses/>. 26 */ 27 28/* Do any initializations needed for the eabi environment */ 29 30 .section ".text" 31 #include "ppc-asm.h" 32 33/* On PowerPC64 Linux, these functions are provided by the linker. */ 34#ifndef __powerpc64__ 35 36/* Routines for restoring floating point registers, called by the compiler. */ 37/* Called with r11 pointing to the stack header word of the caller of the */ 38/* function, just beyond the end of the floating point save area. */ 39/* In addition to restoring the fp registers, it will return to the caller's */ 40/* caller */ 41 42CFI_STARTPROC 43CFI_DEF_CFA_REGISTER (11) 44CFI_OFFSET (65, 4) 45CFI_OFFSET (46, -144) 46CFI_OFFSET (47, -136) 47CFI_OFFSET (48, -128) 48CFI_OFFSET (49, -120) 49CFI_OFFSET (50, -112) 50CFI_OFFSET (51, -104) 51CFI_OFFSET (52, -96) 52CFI_OFFSET (53, -88) 53CFI_OFFSET (54, -80) 54CFI_OFFSET (55, -72) 55CFI_OFFSET (56, -64) 56CFI_OFFSET (57, -56) 57CFI_OFFSET (58, -48) 58CFI_OFFSET (59, -40) 59CFI_OFFSET (60, -32) 60CFI_OFFSET (61, -24) 61CFI_OFFSET (62, -16) 62CFI_OFFSET (63, -8) 63HIDDEN_FUNC(_restfpr_14_x) lfd 14,-144(11) /* restore fp registers */ 64CFI_RESTORE (46) 65HIDDEN_FUNC(_restfpr_15_x) lfd 15,-136(11) 66CFI_RESTORE (47) 67HIDDEN_FUNC(_restfpr_16_x) lfd 16,-128(11) 68CFI_RESTORE (48) 69HIDDEN_FUNC(_restfpr_17_x) lfd 17,-120(11) 70CFI_RESTORE (49) 71HIDDEN_FUNC(_restfpr_18_x) lfd 18,-112(11) 72CFI_RESTORE (50) 73HIDDEN_FUNC(_restfpr_19_x) lfd 19,-104(11) 74CFI_RESTORE (51) 75HIDDEN_FUNC(_restfpr_20_x) lfd 20,-96(11) 76CFI_RESTORE (52) 77HIDDEN_FUNC(_restfpr_21_x) lfd 21,-88(11) 78CFI_RESTORE (53) 79HIDDEN_FUNC(_restfpr_22_x) lfd 22,-80(11) 80CFI_RESTORE (54) 81HIDDEN_FUNC(_restfpr_23_x) lfd 23,-72(11) 82CFI_RESTORE (55) 83HIDDEN_FUNC(_restfpr_24_x) lfd 24,-64(11) 84CFI_RESTORE (56) 85HIDDEN_FUNC(_restfpr_25_x) lfd 25,-56(11) 86CFI_RESTORE (57) 87HIDDEN_FUNC(_restfpr_26_x) lfd 26,-48(11) 88CFI_RESTORE (58) 89HIDDEN_FUNC(_restfpr_27_x) lfd 27,-40(11) 90CFI_RESTORE (59) 91HIDDEN_FUNC(_restfpr_28_x) lfd 28,-32(11) 92CFI_RESTORE (60) 93HIDDEN_FUNC(_restfpr_29_x) lfd 29,-24(11) 94CFI_RESTORE (61) 95HIDDEN_FUNC(_restfpr_30_x) lfd 30,-16(11) 96CFI_RESTORE (62) 97HIDDEN_FUNC(_restfpr_31_x) lwz 0,4(11) 98 lfd 31,-8(11) 99CFI_RESTORE (63) 100 mtlr 0 101CFI_RESTORE (65) 102 mr 1,11 103CFI_DEF_CFA_REGISTER (1) 104 blr 105FUNC_END(_restfpr_31_x) 106FUNC_END(_restfpr_30_x) 107FUNC_END(_restfpr_29_x) 108FUNC_END(_restfpr_28_x) 109FUNC_END(_restfpr_27_x) 110FUNC_END(_restfpr_26_x) 111FUNC_END(_restfpr_25_x) 112FUNC_END(_restfpr_24_x) 113FUNC_END(_restfpr_23_x) 114FUNC_END(_restfpr_22_x) 115FUNC_END(_restfpr_21_x) 116FUNC_END(_restfpr_20_x) 117FUNC_END(_restfpr_19_x) 118FUNC_END(_restfpr_18_x) 119FUNC_END(_restfpr_17_x) 120FUNC_END(_restfpr_16_x) 121FUNC_END(_restfpr_15_x) 122FUNC_END(_restfpr_14_x) 123CFI_ENDPROC 124 125#endif 126