| 1 | /* PLT trampolines. C-SKY ABIV2 version. |
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| 2 | Copyright (C) 2018-2024 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library. If not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | /* This function is not called directly. It is jumped when attempting to |
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| 20 | use a symbol that has not yet been resolved. |
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| 21 | |
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| 22 | .plt*: |
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| 23 | subi r0, 32 |
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| 24 | stw r2, (r0, 0) |
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| 25 | stw r3, (r0, 4) |
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| 26 | lrw r3, #offset |
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| 27 | ldw r2, (gb, 8) |
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| 28 | jmp r2 |
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| 29 | */ |
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| 30 | |
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| 31 | #include <sysdep.h> |
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| 32 | |
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| 33 | .globl _dl_runtime_resolve; |
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| 34 | .type _dl_runtime_resolve,@function; |
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| 35 | .align 4; |
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| 36 | _dl_runtime_resolve: |
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| 37 | subi sp, 20 |
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| 38 | stm a0-a3, (sp) |
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| 39 | stw lr, (sp, 16) |
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| 40 | /* a0 = id, a1 = offset(do it in plt*). */ |
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| 41 | ldw a0, (gb, 4) |
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| 42 | movi a1, 12 |
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| 43 | mult a1, t1 |
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| 44 | bsr _dl_fixup |
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| 45 | mov t0, a0 |
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| 46 | ldw lr, (sp, 16) |
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| 47 | ldm a0-a3, (sp) |
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| 48 | addi sp, 20 |
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| 49 | jmp t0 |
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| 50 | .size _dl_runtime_resolve,.-_dl_runtime_resolve |
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| 51 | |
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