Commit 6d8aa3bfed71ef1a09290e9bcdf741e37e9f7a06
1 parent
2657c663
Remove unaligned accesses in ia64_apply_fixes().
Make sure that the static variables are not optimized away in GOTO_TB. (patch by Andreas Schwab) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3042 c046a42c-6fe2-441c-8c8c-71466251a162
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2 changed files
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8 additions
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7 deletions
dyngen.h
@@ -392,7 +392,8 @@ static inline void ia64_apply_fixes (uint8_t **gen_code_pp, | @@ -392,7 +392,8 @@ static inline void ia64_apply_fixes (uint8_t **gen_code_pp, | ||
392 | 0x05, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, /* nop 0; brl IP */ | 392 | 0x05, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, /* nop 0; brl IP */ |
393 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0 | 393 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0 |
394 | }; | 394 | }; |
395 | - uint8_t *gen_code_ptr = *gen_code_pp, *plt_start, *got_start, *vp; | 395 | + uint8_t *gen_code_ptr = *gen_code_pp, *plt_start, *got_start; |
396 | + uint64_t *vp; | ||
396 | struct ia64_fixup *fixup; | 397 | struct ia64_fixup *fixup; |
397 | unsigned int offset = 0; | 398 | unsigned int offset = 0; |
398 | struct fdesc { | 399 | struct fdesc { |
@@ -429,12 +430,12 @@ static inline void ia64_apply_fixes (uint8_t **gen_code_pp, | @@ -429,12 +430,12 @@ static inline void ia64_apply_fixes (uint8_t **gen_code_pp, | ||
429 | /* First, create the GOT: */ | 430 | /* First, create the GOT: */ |
430 | for (fixup = ltoff_fixes; fixup; fixup = fixup->next) { | 431 | for (fixup = ltoff_fixes; fixup; fixup = fixup->next) { |
431 | /* first check if we already have this value in the GOT: */ | 432 | /* first check if we already have this value in the GOT: */ |
432 | - for (vp = got_start; vp < gen_code_ptr; ++vp) | ||
433 | - if (*(uint64_t *) vp == fixup->value) | 433 | + for (vp = (uint64_t *) got_start; vp < (uint64_t *) gen_code_ptr; ++vp) |
434 | + if (*vp == fixup->value) | ||
434 | break; | 435 | break; |
435 | - if (vp == gen_code_ptr) { | 436 | + if (vp == (uint64_t *) gen_code_ptr) { |
436 | /* Nope, we need to put the value in the GOT: */ | 437 | /* Nope, we need to put the value in the GOT: */ |
437 | - *(uint64_t *) vp = fixup->value; | 438 | + *vp = fixup->value; |
438 | gen_code_ptr += 8; | 439 | gen_code_ptr += 8; |
439 | } | 440 | } |
440 | ia64_imm22(fixup->addr, (long) vp - gp); | 441 | ia64_imm22(fixup->addr, (long) vp - gp); |
exec-all.h
@@ -346,8 +346,8 @@ do {\ | @@ -346,8 +346,8 @@ do {\ | ||
346 | cache flushing, but slower because of indirect jump) */ | 346 | cache flushing, but slower because of indirect jump) */ |
347 | #define GOTO_TB(opname, tbparam, n)\ | 347 | #define GOTO_TB(opname, tbparam, n)\ |
348 | do {\ | 348 | do {\ |
349 | - static void __attribute__((unused)) *dummy ## n = &&dummy_label ## n;\ | ||
350 | - static void __attribute__((unused)) *__op_label ## n \ | 349 | + static void __attribute__((used)) *dummy ## n = &&dummy_label ## n;\ |
350 | + static void __attribute__((used)) *__op_label ## n \ | ||
351 | __asm__(ASM_OP_LABEL_NAME(n, opname)) = &&label ## n;\ | 351 | __asm__(ASM_OP_LABEL_NAME(n, opname)) = &&label ## n;\ |
352 | goto *(void *)(((TranslationBlock *)tbparam)->tb_next[n]);\ | 352 | goto *(void *)(((TranslationBlock *)tbparam)->tb_next[n]);\ |
353 | label ## n: ;\ | 353 | label ## n: ;\ |