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84bf326fe9
* configure.ac: Add conditions to avoid libgcc dependency. * Makefile.am: Likewise. * Makefile.core.def: Include compiler-rt.S and compiler-rt.c. * compiler-rt.c: New file. * compiler-rt.S: Likewise. * compiler-rt.h: Likewise. Also-By: Brent Baude <bbaude@redhat.com> Also-By: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com> Origin: other, https://lists.gnu.org/archive/html/grub-devel/2014-09/msg00021.html Last-Update: 2014-09-19 Patch-Name: ppc64el-skip-libgcc.patch
131 lines
3.9 KiB
ArmAsm
131 lines
3.9 KiB
ArmAsm
/*
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* Special support for eabi and SVR4
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*
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* Copyright (C) 1995-2014 Free Software Foundation, Inc.
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* Written By Michael Meissner
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* 64-bit support written by David Edelsohn
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*
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* This file is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 3, or (at your option) any
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* later version.
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* Under Section 7 of GPL version 3, you are granted additional
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* permissions described in the GCC Runtime Library Exception, version
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* 3.1, as published by the Free Software Foundation.
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*
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* You should have received a copy of the GNU General Public License and
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* a copy of the GCC Runtime Library Exception along with this program;
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* see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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/* Do any initializations needed for the eabi environment */
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#include <grub/symbol.h>
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#include <grub/dl.h>
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.section ".text"
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#define CFI_RESTORE(reg) .cfi_restore reg
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#define CFI_OFFSET(reg, off) .cfi_offset reg, off
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#define CFI_DEF_CFA_REGISTER(reg) .cfi_def_cfa_register reg
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#define CFI_STARTPROC .cfi_startproc
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#define CFI_ENDPROC .cfi_endproc
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/* Routines for restoring integer registers, called by the compiler. */
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/* Called with r11 pointing to the stack header word of the caller of the */
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/* function, just beyond the end of the integer restore area. */
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CFI_STARTPROC
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CFI_DEF_CFA_REGISTER (11)
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CFI_OFFSET (65, 4)
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CFI_OFFSET (14, -72)
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CFI_OFFSET (15, -68)
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CFI_OFFSET (16, -64)
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CFI_OFFSET (17, -60)
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CFI_OFFSET (18, -56)
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CFI_OFFSET (19, -52)
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CFI_OFFSET (20, -48)
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CFI_OFFSET (21, -44)
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CFI_OFFSET (22, -40)
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CFI_OFFSET (23, -36)
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CFI_OFFSET (24, -32)
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CFI_OFFSET (25, -28)
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CFI_OFFSET (26, -24)
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CFI_OFFSET (27, -20)
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CFI_OFFSET (28, -16)
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CFI_OFFSET (29, -12)
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CFI_OFFSET (30, -8)
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CFI_OFFSET (31, -4)
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FUNCTION(_restgpr_14_x) lwz 14,-72(11) /* restore gp registers */
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CFI_RESTORE (14)
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FUNCTION(_restgpr_15_x) lwz 15,-68(11)
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CFI_RESTORE (15)
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FUNCTION(_restgpr_16_x) lwz 16,-64(11)
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CFI_RESTORE (16)
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FUNCTION(_restgpr_17_x) lwz 17,-60(11)
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CFI_RESTORE (17)
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FUNCTION(_restgpr_18_x) lwz 18,-56(11)
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CFI_RESTORE (18)
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FUNCTION(_restgpr_19_x) lwz 19,-52(11)
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CFI_RESTORE (19)
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FUNCTION(_restgpr_20_x) lwz 20,-48(11)
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CFI_RESTORE (20)
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FUNCTION(_restgpr_21_x) lwz 21,-44(11)
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CFI_RESTORE (21)
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FUNCTION(_restgpr_22_x) lwz 22,-40(11)
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CFI_RESTORE (22)
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FUNCTION(_restgpr_23_x) lwz 23,-36(11)
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CFI_RESTORE (23)
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FUNCTION(_restgpr_24_x) lwz 24,-32(11)
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CFI_RESTORE (24)
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FUNCTION(_restgpr_25_x) lwz 25,-28(11)
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CFI_RESTORE (25)
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FUNCTION(_restgpr_26_x) lwz 26,-24(11)
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CFI_RESTORE (26)
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FUNCTION(_restgpr_27_x) lwz 27,-20(11)
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CFI_RESTORE (27)
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FUNCTION(_restgpr_28_x) lwz 28,-16(11)
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CFI_RESTORE (28)
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FUNCTION(_restgpr_29_x) lwz 29,-12(11)
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CFI_RESTORE (29)
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FUNCTION(_restgpr_30_x) lwz 30,-8(11)
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CFI_RESTORE (30)
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FUNCTION(_restgpr_31_x) lwz 0,4(11)
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lwz 31,-4(11)
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CFI_RESTORE (31)
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mtlr 0
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CFI_RESTORE (65)
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mr 1,11
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CFI_DEF_CFA_REGISTER (1)
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blr
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CFI_ENDPROC
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CFI_STARTPROC
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FUNCTION(_savegpr_14) stw 14,-72(11) /* save gp registers */
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FUNCTION(_savegpr_15) stw 15,-68(11)
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FUNCTION(_savegpr_16) stw 16,-64(11)
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FUNCTION(_savegpr_17) stw 17,-60(11)
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FUNCTION(_savegpr_18) stw 18,-56(11)
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FUNCTION(_savegpr_19) stw 19,-52(11)
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FUNCTION(_savegpr_20) stw 20,-48(11)
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FUNCTION(_savegpr_21) stw 21,-44(11)
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FUNCTION(_savegpr_22) stw 22,-40(11)
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FUNCTION(_savegpr_23) stw 23,-36(11)
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FUNCTION(_savegpr_24) stw 24,-32(11)
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FUNCTION(_savegpr_25) stw 25,-28(11)
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FUNCTION(_savegpr_26) stw 26,-24(11)
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FUNCTION(_savegpr_27) stw 27,-20(11)
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FUNCTION(_savegpr_28) stw 28,-16(11)
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FUNCTION(_savegpr_29) stw 29,-12(11)
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FUNCTION(_savegpr_30) stw 30,-8(11)
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FUNCTION(_savegpr_31) stw 31,-4(11)
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blr
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CFI_ENDPROC
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