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avoid warning for large aligned blocks on linux

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daan 2022-11-07 17:21:03 -08:00
parent 67439bb4e5
commit ba8c0f8903
1 changed files with 10 additions and 4 deletions
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6
src/alloc.c
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@ -488,12 +488,18 @@ static inline mi_segment_t* mi_checked_ptr_segment(const void* p, const char* ms
#if (MI_DEBUG>0) #if (MI_DEBUG>0)
if mi_unlikely(!mi_is_in_heap_region(p)) { if mi_unlikely(!mi_is_in_heap_region(p)) {
#if (MI_INTPTR_SIZE == 8 && defined(__linux__))
if (((uintptr_t)p >> 40) != 0x7F) { // linux tends to align large blocks above 0x7F000000000 (issue #640)
#else
{
#endif
_mi_warning_message("%s: pointer might not point to a valid heap region: %p\n" _mi_warning_message("%s: pointer might not point to a valid heap region: %p\n"
"(this may still be a valid very large allocation (over 64MiB))\n", msg, p); "(this may still be a valid very large allocation (over 64MiB))\n", msg, p);
if mi_likely(_mi_ptr_cookie(segment) == segment->cookie) { if mi_likely(_mi_ptr_cookie(segment) == segment->cookie) {
_mi_warning_message("(yes, the previous pointer %p was valid after all)\n", p); _mi_warning_message("(yes, the previous pointer %p was valid after all)\n", p);
} }
} }
}
#endif #endif
#if (MI_DEBUG>0 || MI_SECURE>=4) #if (MI_DEBUG>0 || MI_SECURE>=4)
if mi_unlikely(_mi_ptr_cookie(segment) != segment->cookie) { if mi_unlikely(_mi_ptr_cookie(segment) != segment->cookie) {