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8267611: Print more info when pointer_delta assert fails

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Reviewed-by: dholmes, jiefu, tschatzl, kbarrett
This commit is contained in:
Stefan Karlsson 2021-05-26 17:57:30 +00:00
parent a4c46e1e4f
commit de91643bfa
1 changed files with 6 additions and 6 deletions
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12
src/hotspot/share/utilities/globalDefinitions.hpp
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@ -151,6 +151,11 @@ class oopDesc;
#define INTX_FORMAT_W(width) "%" #width PRIdPTR
#define UINTX_FORMAT_W(width) "%" #width PRIuPTR
// Convert pointer to intptr_t, for use in printing pointers.
inline intptr_t p2i(const volatile void* p) {
return (intptr_t) p;
}
//----------------------------------------------------------------------------------------------------
// Constants
@ -416,7 +421,7 @@ inline address_word castable_address(void* x) { return address_w
inline size_t pointer_delta(const volatile void* left,
const volatile void* right,
size_t element_size) {
assert(left >= right, "avoid underflow");
assert(left >= right, "avoid underflow - left: " PTR_FORMAT " right: " PTR_FORMAT, p2i(left), p2i(right));
return (((uintptr_t) left) - ((uintptr_t) right)) / element_size;
}
@ -1089,11 +1094,6 @@ inline int build_int_from_shorts( jushort low, jushort high ) {
return ((int)((unsigned int)high << 16) | (unsigned int)low);
}
// Convert pointer to intptr_t, for use in printing pointers.
inline intptr_t p2i(const void * p) {
return (intptr_t) p;
}
// swap a & b
template<class T> static void swap(T& a, T& b) {
T tmp = a;