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 .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 integer 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 integer restore area. */ 39 40CFI_STARTPROC 41CFI_DEF_CFA_REGISTER (11) 42CFI_OFFSET (65, 4) 43CFI_OFFSET (14, -72) 44CFI_OFFSET (15, -68) 45CFI_OFFSET (16, -64) 46CFI_OFFSET (17, -60) 47CFI_OFFSET (18, -56) 48CFI_OFFSET (19, -52) 49CFI_OFFSET (20, -48) 50CFI_OFFSET (21, -44) 51CFI_OFFSET (22, -40) 52CFI_OFFSET (23, -36) 53CFI_OFFSET (24, -32) 54CFI_OFFSET (25, -28) 55CFI_OFFSET (26, -24) 56CFI_OFFSET (27, -20) 57CFI_OFFSET (28, -16) 58CFI_OFFSET (29, -12) 59CFI_OFFSET (30, -8) 60CFI_OFFSET (31, -4) 61HIDDEN_FUNC(_restgpr_14_x) lwz 14,-72(11) /* restore gp registers */ 62CFI_RESTORE (14) 63HIDDEN_FUNC(_restgpr_15_x) lwz 15,-68(11) 64CFI_RESTORE (15) 65HIDDEN_FUNC(_restgpr_16_x) lwz 16,-64(11) 66CFI_RESTORE (16) 67HIDDEN_FUNC(_restgpr_17_x) lwz 17,-60(11) 68CFI_RESTORE (17) 69HIDDEN_FUNC(_restgpr_18_x) lwz 18,-56(11) 70CFI_RESTORE (18) 71HIDDEN_FUNC(_restgpr_19_x) lwz 19,-52(11) 72CFI_RESTORE (19) 73HIDDEN_FUNC(_restgpr_20_x) lwz 20,-48(11) 74CFI_RESTORE (20) 75HIDDEN_FUNC(_restgpr_21_x) lwz 21,-44(11) 76CFI_RESTORE (21) 77HIDDEN_FUNC(_restgpr_22_x) lwz 22,-40(11) 78CFI_RESTORE (22) 79HIDDEN_FUNC(_restgpr_23_x) lwz 23,-36(11) 80CFI_RESTORE (23) 81HIDDEN_FUNC(_restgpr_24_x) lwz 24,-32(11) 82CFI_RESTORE (24) 83HIDDEN_FUNC(_restgpr_25_x) lwz 25,-28(11) 84CFI_RESTORE (25) 85HIDDEN_FUNC(_restgpr_26_x) lwz 26,-24(11) 86CFI_RESTORE (26) 87HIDDEN_FUNC(_restgpr_27_x) lwz 27,-20(11) 88CFI_RESTORE (27) 89HIDDEN_FUNC(_restgpr_28_x) lwz 28,-16(11) 90CFI_RESTORE (28) 91HIDDEN_FUNC(_restgpr_29_x) lwz 29,-12(11) 92CFI_RESTORE (29) 93HIDDEN_FUNC(_restgpr_30_x) lwz 30,-8(11) 94CFI_RESTORE (30) 95HIDDEN_FUNC(_restgpr_31_x) lwz 0,4(11) 96 lwz 31,-4(11) 97CFI_RESTORE (31) 98 mtlr 0 99CFI_RESTORE (65) 100 mr 1,11 101CFI_DEF_CFA_REGISTER (1) 102 blr 103FUNC_END(_restgpr_31_x) 104FUNC_END(_restgpr_30_x) 105FUNC_END(_restgpr_29_x) 106FUNC_END(_restgpr_28_x) 107FUNC_END(_restgpr_27_x) 108FUNC_END(_restgpr_26_x) 109FUNC_END(_restgpr_25_x) 110FUNC_END(_restgpr_24_x) 111FUNC_END(_restgpr_23_x) 112FUNC_END(_restgpr_22_x) 113FUNC_END(_restgpr_21_x) 114FUNC_END(_restgpr_20_x) 115FUNC_END(_restgpr_19_x) 116FUNC_END(_restgpr_18_x) 117FUNC_END(_restgpr_17_x) 118FUNC_END(_restgpr_16_x) 119FUNC_END(_restgpr_15_x) 120FUNC_END(_restgpr_14_x) 121CFI_ENDPROC 122 123#endif 124