1 /* PLT trampolines. Sparc 32-bit version.
2 Copyright (C) 2005-2024 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/>. */
24 /* %g1: PLT offset loaded by PLT entry
25 * %g2: callers PC, which is PLT0 + 4, and we store the
26 * link map at PLT0 + 12, therefore we add 8 to get
27 * the address of the link map
29 .globl _dl_runtime_resolve
30 .type _dl_runtime_resolve, @function
35 cfi_def_cfa_register(%fp)
37 cfi_register (%o7, %i7)
48 .size _dl_runtime_resolve, .-_dl_runtime_resolve
51 /* For the profiling cases we pass in our stack frame
52 * as the base of the La_sparc32_regs, so it looks
55 * %l1 %sp + (0 * 8) + 4
58 * %l7 %sp + (3 * 8) + 4
60 * %i1 %sp + (4 * 8) + 4
63 * %i7 %sp + (7 * 8) + 4
64 * struct_ret_ptr %sp + (8 * 8)
65 * framesize %sp + (9 * 8)
68 .globl _dl_profile_save_regs
69 .type _dl_profile_save_regs, @function
70 _dl_profile_save_regs:
73 std %l0, [%sp + ( 0 * 8)]
74 std %l2, [%sp + ( 1 * 8)]
75 std %l4, [%sp + ( 2 * 8)]
76 std %l6, [%sp + ( 3 * 8)]
77 std %i0, [%sp + ( 4 * 8)]
78 std %i2, [%sp + ( 5 * 8)]
79 std %i4, [%sp + ( 6 * 8)]
80 std %i6, [%sp + ( 7 * 8)]
81 ld [%fp + (8 * 8)], %l4
83 st %l4, [%sp + (8 * 8)]
87 .size _dl_profile_save_regs, .-_dl_profile_save_regs
89 /* If we are going to call pltexit, then we must replicate
90 * the caller's stack frame.
91 * %o0: PLT resolved function address
93 .globl _dl_profile_invoke
94 .type _dl_profile_invoke, @function
114 add %sp, (11 * 8), %l3
125 std %o0, [%sp + ( 9 * 8)]
126 std %f0, [%sp + (10 * 8)]
130 add %sp, (11 * 8), %o2
131 call _dl_audit_pltexit
132 add %sp, ( 9 * 8), %o3
134 ldd [%sp + ( 9 * 8)], %i0
135 ldd [%sp + (10 * 8)], %f0
142 .size _dl_profile_invoke, .-_dl_profile_invoke
144 /* %g1: PLT offset loaded by PLT entry
145 * %g2: callers PC, which is PLT0 + 4, and we store the
146 * link map at PLT0 + 12, therefore we add 8 to get
147 * the address of the link map
150 .globl _dl_runtime_profile
151 .type _dl_runtime_profile, @function
156 cfi_def_cfa_register(%fp)
158 cfi_register(%o7, %i7)
168 call _dl_profile_save_regs
172 call _dl_profile_fixup
173 add %sp, (9 * 8), %o4
175 ld [%sp + (9 * 8)], %l0
180 call _dl_profile_invoke
188 .size _dl_runtime_profile, .-_dl_runtime_profile