diff options
Diffstat (limited to 'libgcc/config/rs6000/crtresxgpr.S')
-rw-r--r-- | libgcc/config/rs6000/crtresxgpr.S | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/libgcc/config/rs6000/crtresxgpr.S b/libgcc/config/rs6000/crtresxgpr.S new file mode 100644 index 00000000000..451b2b69d1e --- /dev/null +++ b/libgcc/config/rs6000/crtresxgpr.S @@ -0,0 +1,124 @@ +/* + * Special support for eabi and SVR4 + * + * Copyright (C) 1995, 1996, 1998, 2000, 2001, 2008, 2009 + * Free Software Foundation, Inc. + * Written By Michael Meissner + * 64-bit support written by David Edelsohn + * + * This file is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 3, or (at your option) any + * later version. + * + * This file is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * Under Section 7 of GPL version 3, you are granted additional + * permissions described in the GCC Runtime Library Exception, version + * 3.1, as published by the Free Software Foundation. + * + * You should have received a copy of the GNU General Public License and + * a copy of the GCC Runtime Library Exception along with this program; + * see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + * <http://www.gnu.org/licenses/>. + */ + +/* Do any initializations needed for the eabi environment */ + + .section ".text" + #include "ppc-asm.h" + +/* On PowerPC64 Linux, these functions are provided by the linker. */ +#ifndef __powerpc64__ + +/* Routines for restoring integer registers, called by the compiler. */ +/* Called with r11 pointing to the stack header word of the caller of the */ +/* function, just beyond the end of the integer restore area. */ + +CFI_STARTPROC +CFI_DEF_CFA_REGISTER (11) +CFI_OFFSET (65, 4) +CFI_OFFSET (14, -72) +CFI_OFFSET (15, -68) +CFI_OFFSET (16, -64) +CFI_OFFSET (17, -60) +CFI_OFFSET (18, -56) +CFI_OFFSET (19, -52) +CFI_OFFSET (20, -48) +CFI_OFFSET (21, -44) +CFI_OFFSET (22, -40) +CFI_OFFSET (23, -36) +CFI_OFFSET (24, -32) +CFI_OFFSET (25, -28) +CFI_OFFSET (26, -24) +CFI_OFFSET (27, -20) +CFI_OFFSET (28, -16) +CFI_OFFSET (29, -12) +CFI_OFFSET (30, -8) +CFI_OFFSET (31, -4) +HIDDEN_FUNC(_restgpr_14_x) lwz 14,-72(11) /* restore gp registers */ +CFI_RESTORE (14) +HIDDEN_FUNC(_restgpr_15_x) lwz 15,-68(11) +CFI_RESTORE (15) +HIDDEN_FUNC(_restgpr_16_x) lwz 16,-64(11) +CFI_RESTORE (16) +HIDDEN_FUNC(_restgpr_17_x) lwz 17,-60(11) +CFI_RESTORE (17) +HIDDEN_FUNC(_restgpr_18_x) lwz 18,-56(11) +CFI_RESTORE (18) +HIDDEN_FUNC(_restgpr_19_x) lwz 19,-52(11) +CFI_RESTORE (19) +HIDDEN_FUNC(_restgpr_20_x) lwz 20,-48(11) +CFI_RESTORE (20) +HIDDEN_FUNC(_restgpr_21_x) lwz 21,-44(11) +CFI_RESTORE (21) +HIDDEN_FUNC(_restgpr_22_x) lwz 22,-40(11) +CFI_RESTORE (22) +HIDDEN_FUNC(_restgpr_23_x) lwz 23,-36(11) +CFI_RESTORE (23) +HIDDEN_FUNC(_restgpr_24_x) lwz 24,-32(11) +CFI_RESTORE (24) +HIDDEN_FUNC(_restgpr_25_x) lwz 25,-28(11) +CFI_RESTORE (25) +HIDDEN_FUNC(_restgpr_26_x) lwz 26,-24(11) +CFI_RESTORE (26) +HIDDEN_FUNC(_restgpr_27_x) lwz 27,-20(11) +CFI_RESTORE (27) +HIDDEN_FUNC(_restgpr_28_x) lwz 28,-16(11) +CFI_RESTORE (28) +HIDDEN_FUNC(_restgpr_29_x) lwz 29,-12(11) +CFI_RESTORE (29) +HIDDEN_FUNC(_restgpr_30_x) lwz 30,-8(11) +CFI_RESTORE (30) +HIDDEN_FUNC(_restgpr_31_x) lwz 0,4(11) + lwz 31,-4(11) +CFI_RESTORE (31) + mtlr 0 +CFI_RESTORE (65) + mr 1,11 +CFI_DEF_CFA_REGISTER (1) + blr +FUNC_END(_restgpr_31_x) +FUNC_END(_restgpr_30_x) +FUNC_END(_restgpr_29_x) +FUNC_END(_restgpr_28_x) +FUNC_END(_restgpr_27_x) +FUNC_END(_restgpr_26_x) +FUNC_END(_restgpr_25_x) +FUNC_END(_restgpr_24_x) +FUNC_END(_restgpr_23_x) +FUNC_END(_restgpr_22_x) +FUNC_END(_restgpr_21_x) +FUNC_END(_restgpr_20_x) +FUNC_END(_restgpr_19_x) +FUNC_END(_restgpr_18_x) +FUNC_END(_restgpr_17_x) +FUNC_END(_restgpr_16_x) +FUNC_END(_restgpr_15_x) +FUNC_END(_restgpr_14_x) +CFI_ENDPROC + +#endif |