1/* 2 * Special support for eabi and SVR4 3 * 4 * Copyright (C) 1995-2020 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 .machine ppc 31 .section ".text" 32 #include "ppc-asm.h" 33 34/* On PowerPC64 Linux, these functions are provided by the linker. */ 35#ifndef __powerpc64__ 36 37/* Routines for restoring floating point registers, called by the compiler. */ 38/* Called with r11 pointing to the stack header word of the caller of the */ 39/* function, just beyond the end of the floating point save area. */ 40/* In addition to restoring the fp registers, it will return to the caller's */ 41/* caller */ 42 43CFI_STARTPROC 44CFI_DEF_CFA_REGISTER (11) 45CFI_OFFSET (65, 4) 46CFI_OFFSET (46, -144) 47CFI_OFFSET (47, -136) 48CFI_OFFSET (48, -128) 49CFI_OFFSET (49, -120) 50CFI_OFFSET (50, -112) 51CFI_OFFSET (51, -104) 52CFI_OFFSET (52, -96) 53CFI_OFFSET (53, -88) 54CFI_OFFSET (54, -80) 55CFI_OFFSET (55, -72) 56CFI_OFFSET (56, -64) 57CFI_OFFSET (57, -56) 58CFI_OFFSET (58, -48) 59CFI_OFFSET (59, -40) 60CFI_OFFSET (60, -32) 61CFI_OFFSET (61, -24) 62CFI_OFFSET (62, -16) 63CFI_OFFSET (63, -8) 64HIDDEN_FUNC(_restfpr_14_x) lfd 14,-144(11) /* restore fp registers */ 65CFI_RESTORE (46) 66HIDDEN_FUNC(_restfpr_15_x) lfd 15,-136(11) 67CFI_RESTORE (47) 68HIDDEN_FUNC(_restfpr_16_x) lfd 16,-128(11) 69CFI_RESTORE (48) 70HIDDEN_FUNC(_restfpr_17_x) lfd 17,-120(11) 71CFI_RESTORE (49) 72HIDDEN_FUNC(_restfpr_18_x) lfd 18,-112(11) 73CFI_RESTORE (50) 74HIDDEN_FUNC(_restfpr_19_x) lfd 19,-104(11) 75CFI_RESTORE (51) 76HIDDEN_FUNC(_restfpr_20_x) lfd 20,-96(11) 77CFI_RESTORE (52) 78HIDDEN_FUNC(_restfpr_21_x) lfd 21,-88(11) 79CFI_RESTORE (53) 80HIDDEN_FUNC(_restfpr_22_x) lfd 22,-80(11) 81CFI_RESTORE (54) 82HIDDEN_FUNC(_restfpr_23_x) lfd 23,-72(11) 83CFI_RESTORE (55) 84HIDDEN_FUNC(_restfpr_24_x) lfd 24,-64(11) 85CFI_RESTORE (56) 86HIDDEN_FUNC(_restfpr_25_x) lfd 25,-56(11) 87CFI_RESTORE (57) 88HIDDEN_FUNC(_restfpr_26_x) lfd 26,-48(11) 89CFI_RESTORE (58) 90HIDDEN_FUNC(_restfpr_27_x) lfd 27,-40(11) 91CFI_RESTORE (59) 92HIDDEN_FUNC(_restfpr_28_x) lfd 28,-32(11) 93CFI_RESTORE (60) 94HIDDEN_FUNC(_restfpr_29_x) lfd 29,-24(11) 95CFI_RESTORE (61) 96HIDDEN_FUNC(_restfpr_30_x) lfd 30,-16(11) 97CFI_RESTORE (62) 98HIDDEN_FUNC(_restfpr_31_x) lwz 0,4(11) 99 lfd 31,-8(11) 100CFI_RESTORE (63) 101 mtlr 0 102CFI_RESTORE (65) 103 mr 1,11 104CFI_DEF_CFA_REGISTER (1) 105 blr 106FUNC_END(_restfpr_31_x) 107FUNC_END(_restfpr_30_x) 108FUNC_END(_restfpr_29_x) 109FUNC_END(_restfpr_28_x) 110FUNC_END(_restfpr_27_x) 111FUNC_END(_restfpr_26_x) 112FUNC_END(_restfpr_25_x) 113FUNC_END(_restfpr_24_x) 114FUNC_END(_restfpr_23_x) 115FUNC_END(_restfpr_22_x) 116FUNC_END(_restfpr_21_x) 117FUNC_END(_restfpr_20_x) 118FUNC_END(_restfpr_19_x) 119FUNC_END(_restfpr_18_x) 120FUNC_END(_restfpr_17_x) 121FUNC_END(_restfpr_16_x) 122FUNC_END(_restfpr_15_x) 123FUNC_END(_restfpr_14_x) 124CFI_ENDPROC 125 126#endif 127