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006f1daa | 1 | /* This file is part of the GNU C Library. |
b168057a | 2 | Copyright (C) 2012-2015 Free Software Foundation, Inc. |
006f1daa DM |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or | |
5 | modify it under the terms of the GNU Lesser General Public | |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
8 | ||
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
15 | License along with the GNU C Library; if not, see | |
16 | <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include <sysdep.h> | |
19 | ||
20 | #ifdef __ASSEMBLER__ | |
21 | ||
22 | # ifdef SHARED | |
23 | ||
24 | # define SPARC_ASM_IFUNC_DFLT(name, dflt) \ | |
25 | ENTRY (__##name) \ | |
26 | .type __##name, @gnu_indirect_function; \ | |
27 | SETUP_PIC_REG_LEAF(o3, o5); \ | |
28 | sethi %gdop_hix22(dflt), %o1; \ | |
29 | xor %o1, %gdop_lox10(dflt), %o1; \ | |
30 | add %o3, %o1, %o1; \ | |
31 | retl; \ | |
32 | mov %o1, %o0; \ | |
33 | END (__##name) | |
34 | ||
35 | # define SPARC_ASM_IFUNC1(name, m1, f1, dflt) \ | |
36 | ENTRY (__##name) \ | |
37 | .type __##name, @gnu_indirect_function; \ | |
38 | SETUP_PIC_REG_LEAF(o3, o5); \ | |
39 | set m1, %o1; \ | |
40 | andcc %o0, %o1, %g0; \ | |
41 | be 9f; \ | |
42 | nop; \ | |
43 | sethi %gdop_hix22(f1), %o1; \ | |
44 | xor %o1, %gdop_lox10(f1), %o1; \ | |
45 | ba 10f; \ | |
46 | nop; \ | |
47 | 9: sethi %gdop_hix22(dflt), %o1; \ | |
48 | xor %o1, %gdop_lox10(dflt), %o1; \ | |
49 | 10: add %o3, %o1, %o1; \ | |
50 | retl; \ | |
51 | mov %o1, %o0; \ | |
52 | END (__##name) | |
53 | ||
8b954ab9 DM |
54 | # define SPARC_ASM_IFUNC2(name, m1, f1, m2, f2, dflt) \ |
55 | ENTRY (__##name) \ | |
56 | .type __##name, @gnu_indirect_function; \ | |
57 | SETUP_PIC_REG_LEAF(o3, o5); \ | |
58 | set m1, %o1; \ | |
59 | andcc %o0, %o1, %g0; \ | |
60 | be 8f; \ | |
61 | nop; \ | |
62 | sethi %gdop_hix22(f1), %o1; \ | |
63 | xor %o1, %gdop_lox10(f1), %o1; \ | |
64 | ba 10f; \ | |
65 | nop; \ | |
66 | 8: set m2, %o1; \ | |
67 | andcc %o0, %o1, %g0; \ | |
68 | be 9f; \ | |
69 | nop; \ | |
70 | sethi %gdop_hix22(f2), %o1; \ | |
71 | xor %o1, %gdop_lox10(f2), %o1; \ | |
72 | ba 10f; \ | |
73 | nop; \ | |
74 | 9: sethi %gdop_hix22(dflt), %o1; \ | |
75 | xor %o1, %gdop_lox10(dflt), %o1; \ | |
76 | 10: add %o3, %o1, %o1; \ | |
77 | retl; \ | |
78 | mov %o1, %o0; \ | |
79 | END (__##name) | |
80 | ||
006f1daa DM |
81 | # else /* SHARED */ |
82 | ||
83 | # ifdef __arch64__ | |
84 | # define SET(SYM, TMP, REG) setx SYM, TMP, REG | |
85 | # else | |
86 | # define SET(SYM, TMP, REG) set SYM, REG | |
87 | # endif | |
88 | ||
89 | # define SPARC_ASM_IFUNC_DFLT(name, dflt) \ | |
90 | ENTRY (__##name) \ | |
91 | .type __##name, @gnu_indirect_function; \ | |
92 | SET(dflt, %g1, %o1); \ | |
93 | retl; \ | |
94 | mov %o1, %o0; \ | |
95 | END (__##name) | |
96 | ||
97 | # define SPARC_ASM_IFUNC1(name, m1, f1, dflt) \ | |
98 | ENTRY (__##name) \ | |
99 | .type __##name, @gnu_indirect_function; \ | |
100 | set m1, %o1; \ | |
101 | andcc %o0, %o1, %g0; \ | |
102 | be 9f; \ | |
103 | nop; \ | |
104 | SET(f1, %g1, %o1); \ | |
105 | ba 10f; \ | |
106 | nop; \ | |
107 | 9: SET(dflt, %g1, %o1); \ | |
108 | 10: retl; \ | |
109 | mov %o1, %o0; \ | |
110 | END (__##name) | |
111 | ||
8b954ab9 DM |
112 | # define SPARC_ASM_IFUNC2(name, m1, f1, m2, f2, dflt) \ |
113 | ENTRY (__##name) \ | |
114 | .type __##name, @gnu_indirect_function; \ | |
115 | set m1, %o1; \ | |
116 | andcc %o0, %o1, %g0; \ | |
117 | be 8f; \ | |
118 | nop; \ | |
119 | SET(f1, %g1, %o1); \ | |
120 | ba 10f; \ | |
121 | nop; \ | |
122 | 8: set m2, %o1; \ | |
123 | andcc %o0, %o1, %g0; \ | |
124 | be 9f; \ | |
125 | nop; \ | |
126 | SET(f2, %g1, %o1); \ | |
127 | ba 10f; \ | |
128 | nop; \ | |
129 | 9: SET(dflt, %g1, %o1); \ | |
130 | 10: retl; \ | |
131 | mov %o1, %o0; \ | |
132 | END (__##name) | |
133 | ||
006f1daa DM |
134 | # endif /* SHARED */ |
135 | ||
8b954ab9 DM |
136 | #define SPARC_ASM_VIS2_IFUNC(name) \ |
137 | SPARC_ASM_IFUNC1(name, HWCAP_SPARC_VIS2, \ | |
138 | __##name##_vis2, __##name##_generic) | |
139 | ||
006f1daa DM |
140 | # ifdef HAVE_AS_VIS3_SUPPORT |
141 | ||
142 | #define SPARC_ASM_VIS3_IFUNC(name) \ | |
143 | SPARC_ASM_IFUNC1(name, HWCAP_SPARC_VIS3, \ | |
144 | __##name##_vis3, __##name##_generic) | |
145 | ||
8b954ab9 DM |
146 | #define SPARC_ASM_VIS3_VIS2_IFUNC(name) \ |
147 | SPARC_ASM_IFUNC2(name, HWCAP_SPARC_VIS3, \ | |
148 | __##name##_vis3, \ | |
149 | HWCAP_SPARC_VIS2, \ | |
150 | __##name##_vis2, __##name##_generic) | |
151 | ||
006f1daa DM |
152 | # else /* HAVE_AS_VIS3_SUPPORT */ |
153 | ||
154 | #define SPARC_ASM_VIS3_IFUNC(name) \ | |
155 | SPARC_ASM_IFUNC_DFLT(name, __##name##_generic) | |
156 | ||
8b954ab9 DM |
157 | #define SPARC_ASM_VIS3_VIS2_IFUNC(name) \ |
158 | SPARC_ASM_VIS2_IFUNC(name) | |
159 | ||
006f1daa DM |
160 | # endif /* HAVE_AS_VIS3_SUPPORT */ |
161 | ||
162 | ||
163 | #else /* __ASSEMBLER__ */ | |
164 | ||
165 | # define sparc_libm_ifunc(name, expr) \ | |
166 | extern void *name##_ifunc (int) __asm__ (#name); \ | |
167 | void *name##_ifunc (int hwcap) \ | |
168 | { \ | |
169 | __typeof (name) *res = expr; \ | |
170 | return res; \ | |
171 | } \ | |
172 | __asm__ (".type " #name ", %gnu_indirect_function"); | |
173 | ||
3a0d900a DM |
174 | # define sparc_libc_ifunc(name, expr) sparc_libm_ifunc (name, expr) |
175 | ||
006f1daa | 176 | #endif /* __ASSEMBLER__ */ |