1 /* PLT trampolines. Sparc 32-bit version.
2 Copyright (C) 2005 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, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
25 /* %g1: PLT offset loaded by PLT entry
26 * %g2: callers PC, which is PLT0 + 4, and we store the
27 * link map at PLT0 + 12, therefore we add 8 to get
28 * the address of the link map
30 .globl _dl_runtime_resolve
31 .type _dl_runtime_resolve, @function
36 cfi_def_cfa_register(%fp)
38 cfi_register (%o7, %i7)
49 .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_sparc64_regs, so it looks
62 * framesize %sp + (32 * 8)
65 .globl _dl_profile_save_regs
66 .type _dl_profile_save_regs, @function
67 _dl_profile_save_regs:
70 std %l0, [%sp + ( 0 * 8)]
71 std %l2, [%sp + ( 1 * 8)]
72 std %l4, [%sp + ( 2 * 8)]
73 std %l6, [%sp + ( 3 * 8)]
74 std %i0, [%sp + ( 4 * 8)]
75 std %i2, [%sp + ( 5 * 8)]
76 std %i4, [%sp + ( 6 * 8)]
77 std %i6, [%sp + ( 7 * 8)]
78 ld [%sp + (8 * 8)], %l4
80 st %l4, [%sp + (8 * 8)]
84 .size _dl_profile_save_regs, .-_dl_profile_save_regs
86 /* If we are going to call pltexit, then we must replicate
87 * the caller's stack frame.
88 * %o0: PLT resolved function address
90 .globl _dl_profile_invoke
91 .type _dl_profile_invoke, @function
117 std %o0, [%sp + ( 9 * 8)]
118 std %f0, [%sp + (10 * 8)]
123 call _dl_call_pltexit
124 add %sp, (16 * 8), %o3
126 ldd [%sp + (9 * 8)], %i0
133 .size _dl_profile_invoke, .-_dl_profile_invoke
135 /* %g1: PLT offset loaded by PLT entry
136 * %g2: callers PC, which is PLT0 + 4, and we store the
137 * link map at PLT0 + 12, therefore we add 8 to get
138 * the address of the link map
141 .globl _dl_runtime_profile
142 .type _dl_runtime_profile, @function
150 1: save %sp, -104, %sp
151 cfi_def_cfa_register(%fp)
153 cfi_register(%o7, %i7)
164 call _dl_profile_save_regs
168 call _dl_profile_fixup
169 add %sp, (9 * 8), %o4
171 ld [%sp + (9 * 8)], %o1
176 call _dl_profile_invoke
184 .size _dl_runtime_profile, .-_dl_runtime_profile