2 Copyright (C) 2022-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library. If not, see
17 <https://www.gnu.org/licenses/>. */
22 #if HAVE_LOONGARCH_VEC_ASM && !defined __loongarch_soft_float
24 #define _dl_runtime_resolve _dl_runtime_resolve_lasx
25 #include "dl-trampoline.h"
28 #undef _dl_runtime_resolve
31 #define _dl_runtime_resolve _dl_runtime_resolve_lsx
32 #include "dl-trampoline.h"
35 #undef _dl_runtime_resolve
38 #include "dl-trampoline.h"
42 ENTRY (_dl_runtime_profile)
43 /* LoongArch we get called with:
45 t1 the scaled offset stored in t0, which can be used
46 to calculate the offset of the current symbol in .rela.plt
47 t2 %hi(%pcrel(.got.plt)) stored in t2, no use in this function
48 t3 dl resolver entry point, no use in this function
51 [sp, #96] La_loongarch_regs
52 [sp, #48] La_loongarch_retval
53 [sp, #40] frame size return from pltenter
54 [sp, #32] dl_profile_call saved a1
55 [sp, #24] dl_profile_call saved a0
61 # define OFFSET_SAVED_CALL_A0 OFFSET_T1 + 8
62 # define OFFSET_FS OFFSET_SAVED_CALL_A0 + 16
63 # define OFFSET_RV OFFSET_FS + 8
64 # define OFFSET_RG OFFSET_RV + DL_SIZEOF_RV
66 # define SF_SIZE (-(-(OFFSET_RG + DL_SIZEOF_RG) & ALMASK))
68 /* Save arguments to stack. */
75 REG_S a0, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 0*SZREG
76 REG_S a1, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 1*SZREG
77 REG_S a2, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 2*SZREG
78 REG_S a3, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 3*SZREG
79 REG_S a4, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 4*SZREG
80 REG_S a5, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 5*SZREG
81 REG_S a6, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 6*SZREG
82 REG_S a7, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 7*SZREG
84 #ifndef __loongarch_soft_float
85 FREG_S fa0, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 0*SZFREG
86 FREG_S fa1, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 1*SZFREG
87 FREG_S fa2, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 2*SZFREG
88 FREG_S fa3, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 3*SZFREG
89 FREG_S fa4, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 4*SZFREG
90 FREG_S fa5, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 5*SZFREG
91 FREG_S fa6, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 6*SZFREG
92 FREG_S fa7, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 7*SZFREG
95 /* Update .got.plt and obtain runtime address of callee. */
99 or a2, ra, zero /* return addr */
100 ADDI a3, fp, OFFSET_RG /* La_loongarch_regs pointer */
101 ADDI a4, fp, OFFSET_FS /* frame size return from pltenter */
103 REG_S a0, fp, OFFSET_SAVED_CALL_A0
104 REG_S a1, fp, OFFSET_SAVED_CALL_A0 + SZREG
106 la t2, _dl_profile_fixup
109 REG_L t3, fp, OFFSET_FS
112 /* Save the return. */
115 /* Restore arguments from stack. */
116 REG_L a0, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 0*SZREG
117 REG_L a1, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 1*SZREG
118 REG_L a2, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 2*SZREG
119 REG_L a3, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 3*SZREG
120 REG_L a4, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 4*SZREG
121 REG_L a5, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 5*SZREG
122 REG_L a6, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 6*SZREG
123 REG_L a7, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 7*SZREG
125 #ifndef __loongarch_soft_float
126 FREG_L fa0, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 0*SZFREG
127 FREG_L fa1, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 1*SZFREG
128 FREG_L fa2, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 2*SZFREG
129 FREG_L fa3, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 3*SZFREG
130 FREG_L fa4, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 4*SZFREG
131 FREG_L fa5, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 5*SZFREG
132 FREG_L fa6, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 6*SZFREG
133 FREG_L fa7, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 7*SZFREG
143 /* The new frame size is in t3. */
145 BSTRINS sp, zero, 3, 0
147 REG_S a0, fp, OFFSET_T1
155 REG_L t6, fp, OFFSET_T1
157 /* Call the function. */
158 REG_L a0, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 0*SZREG
159 REG_L a1, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 1*SZREG
160 REG_L a2, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 2*SZREG
161 REG_L a3, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 3*SZREG
162 REG_L a4, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 4*SZREG
163 REG_L a5, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 5*SZREG
164 REG_L a6, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 6*SZREG
165 REG_L a7, fp, OFFSET_RG + DL_OFFSET_RG_A0 + 7*SZREG
167 #ifndef __loongarch_soft_float
168 FREG_L fa0, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 0*SZFREG
169 FREG_L fa1, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 1*SZFREG
170 FREG_L fa2, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 2*SZFREG
171 FREG_L fa3, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 3*SZFREG
172 FREG_L fa4, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 4*SZFREG
173 FREG_L fa5, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 5*SZFREG
174 FREG_L fa6, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 6*SZFREG
175 FREG_L fa7, fp, OFFSET_RG + DL_OFFSET_RG_FA0 + 7*SZFREG
179 REG_S a0, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_A0
180 REG_S a1, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_A0 + SZREG
182 #ifndef __loongarch_soft_float
183 FREG_S fa0, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_FA0
184 FREG_S fa1, fp, OFFSET_SAVED_CALL_A0 + DL_OFFSET_RV_FA0 + SZFREG
187 /* Setup call to pltexit. */
188 REG_L a0, fp, OFFSET_SAVED_CALL_A0
189 REG_L a1, fp, OFFSET_SAVED_CALL_A0 + SZREG
190 ADDI a2, fp, OFFSET_RG
191 ADDI a3, fp, OFFSET_RV
192 la t7, _dl_audit_pltexit
195 REG_L a0, fp, OFFSET_RV + DL_OFFSET_RV_A0
196 REG_L a1, fp, OFFSET_RV + DL_OFFSET_RV_A0 + SZREG
198 #ifndef __loongarch_soft_float
199 FREG_L fa0, fp, OFFSET_RV + DL_OFFSET_RV_FA0
200 FREG_L fa1, fp, OFFSET_RV + DL_OFFSET_RV_FA0 + SZFREG
203 /* RA from within La_loongarch_reg. */
204 REG_L ra, fp, OFFSET_RG + DL_OFFSET_RG_RA
211 END (_dl_runtime_profile)