51 lines
1.4 KiB
ArmAsm
51 lines
1.4 KiB
ArmAsm
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/* PLT trampolines. C-SKY ABIV2 version.
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Copyright (C) 2018-2022 Free Software Foundation, Inc.
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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, see
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<https://www.gnu.org/licenses/>. */
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/* This function is not called directly. It is jumped when attempting to
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use a symbol that has not yet been resolved.
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.plt*:
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subi r0, 32
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stw r2, (r0, 0)
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stw r3, (r0, 4)
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lrw r3, #offset
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ldw r2, (gb, 8)
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jmp r2
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*/
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#include <sysdep.h>
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.globl _dl_runtime_resolve;
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.type _dl_runtime_resolve,@function;
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.align 4;
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_dl_runtime_resolve:
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subi sp, 20
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stm a0-a3, (sp)
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stw lr, (sp, 16)
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/* a0 = id, a1 = offset(do it in plt*). */
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ldw a0, (gb, 4)
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movi a1, 12
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mult a1, t1
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bsr _dl_fixup
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mov t0, a0
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ldw lr, (sp, 16)
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ldm a0-a3, (sp)
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addi sp, 20
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jmp t0
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.size _dl_runtime_resolve,.-_dl_runtime_resolve
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