2021-10-19 21:47:26 +00:00
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/* Machine-dependent ELF runtime symbol resolution, OpenRISC version.
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2024-01-01 18:12:26 +00:00
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Copyright (C) 2022-2024 Free Software Foundation, Inc.
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2021-10-19 21:47:26 +00:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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/* This code is plugged into the PLT and used by the dynamic linker to
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call _dl_fixup (dl-runtime.c).
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We assume that R11 contains the relocation offset and R12 contains
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link_map (_DYNAMIC). This must be consistent with the JUMP_SLOT
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layout generated by binutils. */
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ENTRY (_dl_runtime_resolve)
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l.sw -4(r1), r9
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l.sw -8(r1), r1
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/* save function arguments. */
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l.sw -12(r1), r3
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l.sw -16(r1), r4
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l.sw -20(r1), r5
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l.sw -24(r1), r6
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l.sw -28(r1), r7
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l.sw -32(r1), r8
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.cfi_offset 9, -4
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.cfi_offset 1, -8
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.cfi_offset 3, -12
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.cfi_offset 4, -16
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.cfi_offset 5, -20
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.cfi_offset 6, -24
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.cfi_offset 7, -28
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.cfi_offset 8, -32
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l.addi r1,r1, -32
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.cfi_def_cfa_offset 32
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l.ori r3, r12, 0
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l.ori r4, r11, 0
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l.jal _dl_fixup
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l.nop
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/* Restore function arguments. */
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l.addi r1,r1, 32
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l.lwz r8, -32(r1)
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l.lwz r7, -28(r1)
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l.lwz r6, -24(r1)
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l.lwz r5, -20(r1)
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l.lwz r4, -16(r1)
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l.lwz r3, -12(r1)
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/* restore return address. */
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l.lwz r9, -4(r1)
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l.jr r11
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l.nop
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END (_dl_runtime_resolve)
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