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[thirdparty/glibc.git] / elf / tls-macros.h
1 /* Macros to support TLS testing in times of missing compiler support. */
2
3 #define COMMON_INT_DEF(x) \
4 asm (".tls_common " #x ",4,4")
5 /* XXX Until we get compiler support we don't need declarations. */
6 #define COMMON_INT_DECL(x)
7
8 /* XXX This definition will probably be machine specific, too. */
9 #define VAR_INT_DEF(x) \
10 asm (".section .tdata\n\t" \
11 ".globl " #x "\n" \
12 ".balign 4\n" \
13 #x ":\t.long 0\n\t" \
14 ".size " #x ",4\n\t" \
15 ".previous")
16 /* XXX Until we get compiler support we don't need declarations. */
17 #define VAR_INT_DECL(x)
18
19
20 /* XXX Each architecture must have its own asm for now. */
21 #ifdef __i386__
22 # define TLS_LE(x) \
23 ({ int *__l; \
24 asm ("movl %%gs:0,%0\n\t" \
25 "subl $" #x "@tpoff,%0" \
26 : "=r" (__l)); \
27 __l; })
28
29 # ifdef PIC
30 # define TLS_IE(x) \
31 ({ int *__l; \
32 asm ("movl %%gs:0,%0\n\t" \
33 "subl " #x "@gottpoff(%%ebx),%0" \
34 : "=r" (__l)); \
35 __l; })
36 # else
37 # define TLS_IE(x) \
38 ({ int *__l, __b; \
39 asm ("call 1f\n\t" \
40 ".subsection 1\n" \
41 "1:\tmovl (%%esp), %%ebx\n\t" \
42 "ret\n\t" \
43 ".previous\n\t" \
44 "addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t" \
45 "movl %%gs:0,%0\n\t" \
46 "subl " #x "@gottpoff(%%ebx),%0" \
47 : "=r" (__l), "=&b" (__b)); \
48 __l; })
49 # endif
50
51 # ifdef PIC
52 # define TLS_LD(x) \
53 ({ int *__l, __c, __d; \
54 asm ("leal " #x "@tlsldm(%%ebx),%%eax\n\t" \
55 "call ___tls_get_addr@plt\n\t" \
56 "leal " #x "@dtpoff(%%eax), %%eax" \
57 : "=a" (__l), "=&c" (__c), "=&d" (__d)); \
58 __l; })
59 # else
60 # define TLS_LD(x) \
61 ({ int *__l, __b, __c, __d; \
62 asm ("call 1f\n\t" \
63 ".subsection 1\n" \
64 "1:\tmovl (%%esp), %%ebx\n\t" \
65 "ret\n\t" \
66 ".previous\n\t" \
67 "addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t" \
68 "leal " #x "@tlsldm(%%ebx),%%eax\n\t" \
69 "call ___tls_get_addr@plt\n\t" \
70 "leal " #x "@dtpoff(%%eax), %%eax" \
71 : "=a" (__l), "=&b" (__b), "=&c" (__c), "=&d" (__d)); \
72 __l; })
73 # endif
74
75 # ifdef PIC
76 # define TLS_GD(x) \
77 ({ int *__l, __c, __d; \
78 asm ("leal " #x "@tlsgd(%%ebx),%%eax\n\t" \
79 "call ___tls_get_addr@plt\n\t" \
80 "nop" \
81 : "=a" (__l), "=&c" (__c), "=&d" (__d)); \
82 __l; })
83 # else
84 # define TLS_GD(x) \
85 ({ int *__l, __b, __c, __d; \
86 asm ("call 1f\n\t" \
87 ".subsection 1\n" \
88 "1:\tmovl (%%esp), %%ebx\n\t" \
89 "ret\n\t" \
90 ".previous\n\t" \
91 "addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t" \
92 "leal " #x "@tlsgd(%%ebx),%%eax\n\t" \
93 "call ___tls_get_addr@plt\n\t" \
94 "nop" \
95 : "=a" (__l), "=&b" (__b), "=&c" (__c), "=&d" (__d)); \
96 __l; })
97 # endif
98
99 #elif defined __x86_64__
100
101 # define TLS_LE(x) \
102 ({ int *__l; \
103 asm ("movq %%fs:0,%0\n\t" \
104 "leaq " #x "@tpoff(%0), %0" \
105 : "=r" (__l)); \
106 __l; })
107
108 # define TLS_IE(x) \
109 ({ int *__l; \
110 asm ("movq %%fs:0,%0\n\t" \
111 "addq " #x "@gottpoff(%%rip),%0" \
112 : "=r" (__l)); \
113 __l; })
114
115 # define TLS_LD(x) \
116 ({ int *__l, __c, __d; \
117 asm ("leaq " #x "@tlsld(%%rip),%%rdi\n\t" \
118 "call __tls_get_addr@plt\n\t" \
119 "leaq " #x "@dtpoff(%%rax), %%rax" \
120 : "=a" (__l), "=&c" (__c), "=&d" (__d) \
121 : : "rdi", "rsi", "r8", "r9", "r10", "r11"); \
122 __l; })
123
124 # define TLS_GD(x) \
125 ({ int *__l, __c, __d; \
126 asm (".byte 0x66\n\t" \
127 "leaq " #x "@tlsgd(%%rip),%%rdi\n\t" \
128 ".word 0x6666\n\t" \
129 "rex64\n\t" \
130 "call __tls_get_addr@plt" \
131 : "=a" (__l), "=&c" (__c), "=&d" (__d) \
132 : : "rdi", "rsi", "r8", "r9", "r10", "r11"); \
133 __l; })
134
135 #elif defined __sh__
136
137 # define TLS_LE(x) \
138 ({ int *__l; void *__tp; \
139 asm ("stc gbr,%1\n\t" \
140 "mov.l 1f,%0\n\t" \
141 "bra 2f\n\t" \
142 " add %1,%0\n\t" \
143 ".align 2\n\t" \
144 "1: .long " #x "@tpoff\n\t" \
145 "2:" \
146 : "=r" (__l), "=r" (__tp)); \
147 __l; })
148
149 # ifdef PIC
150 # define TLS_IE(x) \
151 ({ int *__l; void *__tp; \
152 register void *__gp __asm__("r12"); \
153 asm ("mov.l 1f,r0\n\t" \
154 "stc gbr,%1\n\t" \
155 "mov.l @(r0,r12),%0\n\t" \
156 "bra 2f\n\t" \
157 " add %1,%0\n\t" \
158 ".align 2\n\t" \
159 "1: .long " #x "@gottpoff\n\t" \
160 "2:" \
161 : "=r" (__l), "=r" (__tp) : "r" (__gp) : "r0"); \
162 __l; })
163 # else
164 # define TLS_IE(x) \
165 ({ int *__l; void *__tp; \
166 asm ("mov.l r12,@-r15\n\t" \
167 "mova 0f,r0\n\t" \
168 "mov.l 0f,r12\n\t" \
169 "add r0,r12\n\t" \
170 "mov.l 1f,r0\n\t" \
171 "stc gbr,%1\n\t" \
172 "mov.l @(r0,r12),%0\n\t" \
173 "bra 2f\n\t" \
174 " add %1,%0\n\t" \
175 ".align 2\n\t" \
176 "1: .long " #x "@gottpoff\n\t" \
177 "0: .long _GLOBAL_OFFSET_TABLE_\n\t" \
178 "2: mov.l @r15+,r12" \
179 : "=r" (__l), "=r" (__tp) : : "r0"); \
180 __l; })
181 #endif
182
183 # ifdef PIC
184 # define TLS_LD(x) \
185 ({ int *__l; \
186 register void *__gp __asm__("r12"); \
187 asm ("mov.l 1f,r4\n\t" \
188 "mova 2f,r0\n\t" \
189 "mov.l 2f,r1\n\t" \
190 "add r0,r1\n\t" \
191 "jsr @r1\n\t" \
192 " add r12,r4\n\t" \
193 "bra 4f\n\t" \
194 " nop\n\t" \
195 ".align 2\n\t" \
196 "1: .long " #x "@tlsldm\n\t" \
197 "2: .long __tls_get_addr@plt\n\t" \
198 "4: mov.l 3f,%0\n\t" \
199 "bra 5f\n\t" \
200 " add r0,%0\n\t" \
201 ".align 2\n\t" \
202 "3: .long " #x "@dtpoff\n\t" \
203 "5:" \
204 : "=r" (__l) : "r" (__gp) : "r0", "r1", "r2", "r3", "r4", "r5", \
205 "r6", "r7", "pr", "t"); \
206 __l; })
207 # else
208 # define TLS_LD(x) \
209 ({ int *__l; \
210 asm ("mov.l r12,@-r15\n\t" \
211 "mova 0f,r0\n\t" \
212 "mov.l 0f,r12\n\t" \
213 "add r0,r12\n\t" \
214 "mov.l 1f,r4\n\t" \
215 "mova 2f,r0\n\t" \
216 "mov.l 2f,r1\n\t" \
217 "add r0,r1\n\t" \
218 "jsr @r1\n\t" \
219 " add r12,r4\n\t" \
220 "bra 4f\n\t" \
221 " nop\n\t" \
222 ".align 2\n\t" \
223 "1: .long " #x "@tlsldm\n\t" \
224 "2: .long __tls_get_addr@plt\n\t" \
225 "0: .long _GLOBAL_OFFSET_TABLE_\n\t" \
226 "4: mov.l 3f,%0\n\t" \
227 "bra 5f\n\t" \
228 " add r0,%0\n\t" \
229 ".align 2\n\t" \
230 "3: .long " #x "@dtpoff\n\t" \
231 "5: mov.l @r15+,r12" \
232 : "=r" (__l) : : "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
233 "pr", "t"); \
234 __l; })
235 #endif
236
237 # ifdef PIC
238 # define TLS_GD(x) \
239 ({ int *__l; \
240 register void *__gp __asm__("r12"); \
241 asm ("mov.l 1f,r4\n\t" \
242 "mova 2f,r0\n\t" \
243 "mov.l 2f,r1\n\t" \
244 "add r0,r1\n\t" \
245 "jsr @r1\n\t" \
246 " add r12,r4\n\t" \
247 "bra 3f\n\t" \
248 " mov r0,%0\n\t" \
249 ".align 2\n\t" \
250 "1: .long " #x "@tlsgd\n\t" \
251 "2: .long __tls_get_addr@plt\n\t" \
252 "3:" \
253 : "=r" (__l) : "r" (__gp) : "r0", "r1", "r2", "r3", "r4", "r5", \
254 "r6", "r7", "pr", "t"); \
255 __l; })
256 # else
257 # define TLS_GD(x) \
258 ({ int *__l; \
259 asm ("mov.l r12,@-r15\n\t" \
260 "mova 0f,r0\n\t" \
261 "mov.l 0f,r12\n\t" \
262 "add r0,r12\n\t" \
263 "mov.l 1f,r4\n\t" \
264 "mova 2f,r0\n\t" \
265 "mov.l 2f,r1\n\t" \
266 "add r0,r1\n\t" \
267 "jsr @r1\n\t" \
268 " add r12,r4\n\t" \
269 "bra 3f\n\t" \
270 " mov r0,%0\n\t" \
271 ".align 2\n\t" \
272 "1: .long " #x "@tlsgd\n\t" \
273 "2: .long __tls_get_addr@plt\n\t" \
274 "0: .long _GLOBAL_OFFSET_TABLE_\n\t" \
275 "3: mov.l @r15+,r12" \
276 : "=r" (__l) : : "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
277 "pr", "t"); \
278 __l; })
279 #endif
280
281 #elif defined __alpha__
282
283 register void *__gp __asm__("$29");
284
285 # define TLS_LE(x) \
286 ({ int *__l; \
287 asm ("call_pal 158\n\tlda $0," #x "($0)\t\t!tprel" : "=v"(__l)); \
288 __l; })
289
290 # define TLS_IE(x) \
291 ({ char *__tp; unsigned long __o; \
292 asm ("call_pal 158\n\tldq %1," #x "($gp)\t\t!gottprel" \
293 : "=v"(__tp), "=r"(__o) : "r"(__gp)); \
294 (int *)(__tp + __o); })
295
296 # define TLS_LD(x) \
297 ({ extern void *__tls_get_addr(void *); int *__l; void *__i; \
298 asm ("lda %0," #x "($gp)\t\t!tlsldm" : "=r" (__i) : "r"(__gp)); \
299 __i = __tls_get_addr(__i); \
300 asm ("lda %0, " #x "(%1)\t\t!dtprel" : "=r"(__l) : "r"(__i)); \
301 __l; })
302
303 # define TLS_GD(x) \
304 ({ extern void *__tls_get_addr(void *); void *__i; \
305 asm ("lda %0," #x "($gp)\t\t!tlsgd" : "=r" (__i) : "r"(__gp)); \
306 (int *) __tls_get_addr(__i); })
307
308
309 #elif defined __ia64__
310
311 # define TLS_LE(x) \
312 ({ void *__l; \
313 asm ("mov r2=r13\n\t" \
314 ";;\n\t" \
315 "addl %0=@tprel(" #x "),r2\n\t" \
316 : "=r" (__l) : : "r2" ); __l; })
317
318 # define TLS_IE(x) \
319 ({ void *__l; \
320 register long __gp asm ("gp"); \
321 asm (";;\n\t" \
322 "addl r16=@ltoff(@tprel(" #x ")),gp\n\t" \
323 ";;\n\t" \
324 "ld8 r17=[r16]\n\t" \
325 ";;\n\t" \
326 "add %0=r13,r17\n\t" \
327 : "=r" (__l) : "r" (__gp) : "r16", "r17" ); __l; })
328
329 # define __TLS_CALL_CLOBBERS \
330 "r2", "r3", "r8", "r9", "r10", "r11", "r14", "r15", "r16", "r17", \
331 "r18", "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", \
332 "r27", "r28", "r29", "r30", "r31", \
333 "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", \
334 "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \
335 "b6", "b7", \
336 "out0", "out1", "out2", "out3", "out4", "out5", "out6", "out7"
337
338 # define TLS_LD(x) \
339 ({ void *__l; \
340 register long __gp asm ("gp"); \
341 asm (";;\n\t" \
342 "mov loc0=gp\n\t" \
343 "addl r16=@ltoff(@dtpmod(" #x ")),gp\n\t" \
344 "addl out1=@dtprel(" #x "),r0\n\t" \
345 ";;\n\t" \
346 "ld8 out0=[r16]\n\t" \
347 "br.call.sptk.many b0=__tls_get_addr" \
348 ";;\n\t" \
349 "mov gp=loc0\n\t" \
350 "mov %0=r8\n\t" \
351 : "=r" (__l) : "r" (__gp) : "loc0", __TLS_CALL_CLOBBERS); \
352 __l; })
353
354 # define TLS_GD(x) \
355 ({ void *__l; \
356 register long __gp asm ("gp"); \
357 asm (";;\n\t" \
358 "mov loc0=gp\n\t" \
359 "addl r16=@ltoff(@dtpmod(" #x ")),gp\n\t" \
360 "addl r17=@ltoff(@dtprel(" #x ")),gp\n\t" \
361 ";;\n\t" \
362 "ld8 out0=[r16]\n\t" \
363 "ld8 out1=[r17]\n\t" \
364 "br.call.sptk.many b0=__tls_get_addr" \
365 ";;\n\t" \
366 "mov gp=loc0\n\t" \
367 "mov %0=r8\n\t" \
368 : "=r" (__l) : "r" (__gp) : "loc0", __TLS_CALL_CLOBBERS); \
369 __l; })
370
371 #elif defined __sparc__ && !defined __arch64__
372
373 # define TLS_LE(x) \
374 ({ int *__l; \
375 asm ("sethi %%tle_hix22(" #x "), %0" : "=r" (__l)); \
376 asm ("xor %1, %%tle_lox10(" #x "), %0" : "=r" (__l) : "r" (__l)); \
377 asm ("add %%g7, %1, %0" : "=r" (__l) : "r" (__l)); \
378 __l; })
379
380 # ifdef __PIC__
381 # define TLS_LOAD_PIC \
382 ({ register long pc __asm__ ("%o7"); \
383 long got; \
384 asm ("sethi %%hi(_GLOBAL_OFFSET_TABLE_-4), %1\n\t" \
385 "call .+8\n\t" \
386 "add %1, %%lo(_GLOBAL_OFFSET_TABLE_+4), %1\n\t" \
387 "add %1, %0, %1\n\t" \
388 : "=r" (pc), "=r" (got)); \
389 got; })
390 # else
391 # define TLS_LOAD_PIC \
392 ({ long got; \
393 asm (".hidden _GLOBAL_OFFSET_TABLE_\n\t" \
394 "sethi %%hi(_GLOBAL_OFFSET_TABLE_), %0\n\t" \
395 "or %0, %%lo(_GLOBAL_OFFSET_TABLE_), %0" \
396 : "=r" (got)); \
397 got; })
398 # endif
399
400 # define TLS_IE(x) \
401 ({ int *__l; \
402 asm ("sethi %%tie_hi22(" #x "), %0" : "=r" (__l)); \
403 asm ("add %1, %%tie_lo10(" #x "), %0" : "=r" (__l) : "r" (__l)); \
404 asm ("ld [%1 + %2], %0, %%tie_ld(" #x ")" \
405 : "=r" (__l) : "r" (TLS_LOAD_PIC), "r" (__l)); \
406 asm ("add %%g7, %1, %0, %%tie_add(" #x ")" : "=r" (__l) : "r" (__l)); \
407 __l; })
408
409 # define TLS_LD(x) \
410 ({ int *__l; register void *__o0 asm ("%o0"); \
411 long __o; \
412 asm ("sethi %%tldm_hi22(" #x "), %0" : "=r" (__l)); \
413 asm ("add %1, %%tldm_lo10(" #x "), %0" : "=r" (__l) : "r" (__l)); \
414 asm ("add %1, %2, %0, %%tldm_add(" #x ")" \
415 : "=r" (__o0) : "r" (TLS_LOAD_PIC), "r" (__l)); \
416 asm ("call __tls_get_addr, %%tgd_call(" #x ")\n\t" \
417 " nop" \
418 : "=r" (__o0) : "0" (__o0) \
419 : "g1", "g2", "g3", "g4", "g5", "g6", "o1", "o2", "o3", "o4", \
420 "o5", "o7", "cc"); \
421 asm ("sethi %%tldo_hix22(" #x "), %0" : "=r" (__o)); \
422 asm ("xor %1, %%tldo_lox10(" #x "), %0" : "=r" (__o) : "r" (__o)); \
423 asm ("add %1, %2, %0, %%tldo_add(" #x ")" : "=r" (__l) \
424 : "r" (__o0), "r" (__o)); \
425 __l; })
426
427 # define TLS_GD(x) \
428 ({ int *__l; register void *__o0 asm ("%o0"); \
429 asm ("sethi %%tgd_hi22(" #x "), %0" : "=r" (__l)); \
430 asm ("add %1, %%tgd_lo10(" #x "), %0" : "=r" (__l) : "r" (__l)); \
431 asm ("add %1, %2, %0, %%tgd_add(" #x ")" \
432 : "=r" (__o0) : "r" (TLS_LOAD_PIC), "r" (__l)); \
433 asm ("call __tls_get_addr, %%tgd_call(" #x ")\n\t" \
434 " nop" \
435 : "=r" (__o0) : "0" (__o0) \
436 : "g1", "g2", "g3", "g4", "g5", "g6", "o1", "o2", "o3", "o4", \
437 "o5", "o7", "cc"); \
438 __o0; })
439
440 #elif defined __s390x__
441
442 # define TLS_LE(x) \
443 ({ unsigned long __offset; \
444 asm ("bras %0,1f\n" \
445 "0:\t.quad " #x "@ntpoff\n" \
446 "1:\tlg %0,0(%0)" \
447 : "=a" (__offset) : : "cc" ); \
448 (int *) (__builtin_thread_pointer() + __offset); })
449
450 # ifdef PIC
451 # define TLS_IE(x) \
452 ({ unsigned long __offset; \
453 asm ("bras %0,1f\n" \
454 "0:\t.quad " #x "@gotntpoff\n" \
455 "1:\tlg %0,0(%0)\n\t" \
456 "lg %0,0(%0,%%r12):tls_load:" #x \
457 : "=&a" (__offset) : : "cc" ); \
458 (int *) (__builtin_thread_pointer() + __offset); })
459 # else
460 # define TLS_IE(x) \
461 ({ unsigned long __offset; \
462 asm ("bras %0,1f\n" \
463 "0:\t.quad " #x "@indntpoff\n" \
464 "1:\t lg %0,0(%0)\n\t" \
465 "lg %0,0(%0):tls_load:" #x \
466 : "=&a" (__offset) : : "cc" ); \
467 (int *) (__builtin_thread_pointer() + __offset); })
468 # endif
469
470 # ifdef PIC
471 # define TLS_LD(x) \
472 ({ unsigned long __offset, __save12; \
473 asm ("bras %0,1f\n" \
474 "0:\t.quad " #x "@tlsldm\n\t" \
475 ".quad " #x "@dtpoff\n" \
476 "1:\tlgr %1,%%r12\n\t" \
477 "larl %%r12,_GLOBAL_OFFSET_TABLE_\n\t" \
478 "lg %%r2,0(%0)\n\t" \
479 "brasl %%r14,__tls_get_offset@plt:tls_ldcall:" #x "\n\t" \
480 "lg %0,8(%0)\n\t" \
481 "algr %0,%%r2\n\t" \
482 "lgr %%r12,%1" \
483 : "=&a" (__offset), "=&a" (__save12) \
484 : : "cc", "0", "1", "2", "3", "4", "5" ); \
485 (int *) (__builtin_thread_pointer() + __offset); })
486 # else
487 # define TLS_LD(x) \
488 ({ unsigned long __offset; \
489 asm ("bras %0,1f\n" \
490 "0:\t.quad " #x "@tlsldm\n\t" \
491 ".quad " #x "@dtpoff\n" \
492 "1:\tlarl %%r12,_GLOBAL_OFFSET_TABLE_\n\t" \
493 "lg %%r2,0(%0)\n\t" \
494 "brasl %%r14,__tls_get_offset@plt:tls_ldcall:" #x "\n\t" \
495 "lg %0,8(%0)\n\t" \
496 "algr %0,%%r2" \
497 : "=&a" (__offset) : : "cc", "0", "1", "2", "3", "4", "5", "12" ); \
498 (int *) (__builtin_thread_pointer() + __offset); })
499 # endif
500
501 # ifdef PIC
502 # define TLS_GD(x) \
503 ({ unsigned long __offset, __save12; \
504 asm ("bras %0,1f\n" \
505 "0:\t.quad " #x "@tlsgd\n" \
506 "1:\tlgr %1,%%r12\n\t" \
507 "larl %%r12,_GLOBAL_OFFSET_TABLE_\n\t" \
508 "lg %%r2,0(%0)\n\t" \
509 "brasl %%r14,__tls_get_offset@plt:tls_gdcall:" #x "\n\t" \
510 "lgr %0,%%r2\n\t" \
511 "lgr %%r12,%1" \
512 : "=&a" (__offset), "=&a" (__save12) \
513 : : "cc", "0", "1", "2", "3", "4", "5" ); \
514 (int *) (__builtin_thread_pointer() + __offset); })
515 # else
516 # define TLS_GD(x) \
517 ({ unsigned long __offset; \
518 asm ("bras %0,1f\n" \
519 "0:\t.quad " #x "@tlsgd\n" \
520 "1:\tlarl %%r12,_GLOBAL_OFFSET_TABLE_\n\t" \
521 "lg %%r2,0(%0)\n\t" \
522 "brasl %%r14,__tls_get_offset@plt:tls_gdcall:" #x "\n\t" \
523 "lgr %0,%%r2" \
524 : "=&a" (__offset) : : "cc", "0", "1", "2", "3", "4", "5", "12" ); \
525 (int *) (__builtin_thread_pointer() + __offset); })
526 # endif
527
528 #elif defined __s390__
529
530 # define TLS_LE(x) \
531 ({ unsigned long __offset; \
532 asm ("bras %0,1f\n" \
533 "0:\t.long " #x "@ntpoff\n" \
534 "1:\tl %0,0(%0)" \
535 : "=a" (__offset) : : "cc" ); \
536 (int *) (__builtin_thread_pointer() + __offset); })
537
538 # ifdef PIC
539 # define TLS_IE(x) \
540 ({ unsigned long __offset; \
541 asm ("bras %0,1f\n" \
542 "0:\t.long " #x "@gotntpoff\n" \
543 "1:\tl %0,0(%0)\n\t" \
544 "l %0,0(%0,%%r12):tls_load:" #x \
545 : "=&a" (__offset) : : "cc" ); \
546 (int *) (__builtin_thread_pointer() + __offset); })
547 # else
548 # define TLS_IE(x) \
549 ({ unsigned long __offset; \
550 asm ("bras %0,1f\n" \
551 "0:\t.long " #x "@indntpoff\n" \
552 "1:\t l %0,0(%0)\n\t" \
553 "l %0,0(%0):tls_load:" #x \
554 : "=&a" (__offset) : : "cc" ); \
555 (int *) (__builtin_thread_pointer() + __offset); })
556 # endif
557
558 # ifdef PIC
559 # define TLS_LD(x) \
560 ({ unsigned long __offset, __save12; \
561 asm ("bras %0,1f\n" \
562 "0:\t.long _GLOBAL_OFFSET_TABLE_-0b\n\t" \
563 ".long __tls_get_offset@plt-0b\n\t" \
564 ".long " #x "@tlsldm\n\t" \
565 ".long " #x "@dtpoff\n" \
566 "1:\tlr %1,%%r12\n\t" \
567 "l %%r12,0(%0)\n\t" \
568 "la %%r12,0(%%r12,%0)\n\t" \
569 "l %%r1,4(%0)\n\t" \
570 "l %%r2,8(%0)\n\t" \
571 "bas %%r14,0(%%r1,%0):tls_ldcall:" #x "\n\t" \
572 "l %0,12(%0)\n\t" \
573 "alr %0,%%r2\n\t" \
574 "lr %%r12,%1" \
575 : "=&a" (__offset), "=&a" (__save12) \
576 : : "cc", "0", "1", "2", "3", "4", "5" ); \
577 (int *) (__builtin_thread_pointer() + __offset); })
578 # else
579 # define TLS_LD(x) \
580 ({ unsigned long __offset; \
581 asm ("bras %0,1f\n" \
582 "0:\t.long _GLOBAL_OFFSET_TABLE_\n\t" \
583 ".long __tls_get_offset@plt\n\t" \
584 ".long " #x "@tlsldm\n\t" \
585 ".long " #x "@dtpoff\n" \
586 "1:\tl %%r12,0(%0)\n\t" \
587 "l %%r1,4(%0)\n\t" \
588 "l %%r2,8(%0)\n\t" \
589 "bas %%r14,0(%%r1):tls_ldcall:" #x "\n\t" \
590 "l %0,12(%0)\n\t" \
591 "alr %0,%%r2" \
592 : "=&a" (__offset) : : "cc", "0", "1", "2", "3", "4", "5", "12" ); \
593 (int *) (__builtin_thread_pointer() + __offset); })
594 # endif
595
596 # ifdef PIC
597 # define TLS_GD(x) \
598 ({ unsigned long __offset, __save12; \
599 asm ("bras %0,1f\n" \
600 "0:\t.long _GLOBAL_OFFSET_TABLE_-0b\n\t" \
601 ".long __tls_get_offset@plt-0b\n\t" \
602 ".long " #x "@tlsgd\n" \
603 "1:\tlr %1,%%r12\n\t" \
604 "l %%r12,0(%0)\n\t" \
605 "la %%r12,0(%%r12,%0)\n\t" \
606 "l %%r1,4(%0)\n\t" \
607 "l %%r2,8(%0)\n\t" \
608 "bas %%r14,0(%%r1,%0):tls_gdcall:" #x "\n\t" \
609 "lr %0,%%r2\n\t" \
610 "lr %%r12,%1" \
611 : "=&a" (__offset), "=&a" (__save12) \
612 : : "cc", "0", "1", "2", "3", "4", "5" ); \
613 (int *) (__builtin_thread_pointer() + __offset); })
614 # else
615 # define TLS_GD(x) \
616 ({ unsigned long __offset; \
617 asm ("bras %0,1f\n" \
618 "0:\t.long _GLOBAL_OFFSET_TABLE_\n\t" \
619 ".long __tls_get_offset@plt\n\t" \
620 ".long " #x "@tlsgd\n" \
621 "1:\tl %%r12,0(%0)\n\t" \
622 "l %%r1,4(%0)\n\t" \
623 "l %%r2,8(%0)\n\t" \
624 "bas %%r14,0(%%r1):tls_gdcall:" #x "\n\t" \
625 "lr %0,%%r2" \
626 : "=&a" (__offset) : : "cc", "0", "1", "2", "3", "4", "5", "12" ); \
627 (int *) (__builtin_thread_pointer() + __offset); })
628 # endif
629
630 #elif defined __powerpc__ && !defined __powerpc64__
631
632 # define __TLS_CALL_CLOBBERS \
633 "0", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", \
634 "lr", "ctr", "cr0", "cr1", "cr5", "cr6", "cr7"
635
636 /* PowerPC32 Local Exec TLS access. */
637 # define TLS_LE(x) \
638 ({ int *__result; \
639 asm ("addi %0,2," #x "@tprel" \
640 : "=r" (__result)); \
641 __result; })
642
643 /* PowerPC32 Initial Exec TLS access. */
644 # define TLS_IE(x) \
645 ({ int *__result; \
646 asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t" \
647 "mflr %0\n\t" \
648 "lwz %0," #x "@got@tprel(%0)\n\t" \
649 "add %0,%0," #x "@tls" \
650 : "=b" (__result) : \
651 : "lr"); \
652 __result; })
653
654 /* PowerPC32 Local Dynamic TLS access. */
655 # define TLS_LD(x) \
656 ({ int *__result; \
657 asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t" \
658 "mflr 3\n\t" \
659 "addi 3,3," #x "@got@tlsld\n\t" \
660 "bl __tls_get_addr@plt\n\t" \
661 "addi %0,3," #x "@dtprel" \
662 : "=r" (__result) : \
663 : __TLS_CALL_CLOBBERS); \
664 __result; })
665
666 /* PowerPC32 General Dynamic TLS access. */
667 # define TLS_GD(x) \
668 ({ register int *__result __asm__ ("r3"); \
669 asm ("bl _GLOBAL_OFFSET_TABLE_@local-4\n\t" \
670 "mflr 3\n\t" \
671 "addi 3,3," #x "@got@tlsgd\n\t" \
672 "bl __tls_get_addr@plt" \
673 : : \
674 : __TLS_CALL_CLOBBERS); \
675 __result; })
676
677 #elif defined __powerpc__ && defined __powerpc64__
678
679 /* PowerPC64 Local Exec TLS access. */
680 # define TLS_LE(x) \
681 ({ int * __result; \
682 asm ( \
683 " addis %0,13," #x "@tprel@ha\n" \
684 " addi %0,%0," #x "@tprel@l\n" \
685 : "=b" (__result) ); \
686 __result; \
687 })
688 /* PowerPC64 Initial Exec TLS access. */
689 # define TLS_IE(x) \
690 ({ int * __result; \
691 asm ( \
692 " ld %0," #x "@got@tprel(2)\n" \
693 " add %0,%0," #x "@tls\n" \
694 : "=b" (__result) ); \
695 __result; \
696 })
697 /* PowerPC64 Local Dynamic TLS access. */
698 # define TLS_LD(x) \
699 ({ int * __result; \
700 asm ( \
701 " addi 3,2," #x "@got@tlsld\n" \
702 " bl .__tls_get_addr\n" \
703 " nop \n" \
704 " addis %0,3," #x "@dtprel@ha\n" \
705 " addi %0,%0," #x "@dtprel@l\n" \
706 : "=b" (__result) : \
707 : "0", "3", "4", "5", "6", "7", \
708 "8", "9", "10", "11", "12", \
709 "lr", "ctr", \
710 "cr0", "cr1", "cr5", "cr6", "cr7"); \
711 __result; \
712 })
713 /* PowerPC64 General Dynamic TLS access. */
714 # define TLS_GD(x) \
715 ({ int * __result; \
716 asm ( \
717 " addi 3,2," #x "@got@tlsgd\n" \
718 " bl .__tls_get_addr\n" \
719 " nop \n" \
720 " mr %0,3\n" \
721 : "=b" (__result) : \
722 : "0", "3", "4", "5", "6", "7", \
723 "8", "9", "10", "11", "12", \
724 "lr", "ctr", \
725 "cr0", "cr1", "cr5", "cr6", "cr7"); \
726 __result; \
727 })
728
729 #else
730 # error "No support for this architecture so far."
731 #endif
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