archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-18 01:54:47 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8286876: NMT.test_unaliged_block_address_vm_assert fails if using clang toolchain

Browse source 
Reviewed-by: stuefe, gziemski
This commit is contained in:
Johan Sjölen 2023-02-02 10:14:26 +00:00
parent d097b5e628
commit 7b6ac41ab1
6 changed files with 51 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

12
src/hotspot/share/services/mallocHeader.hpp
View file

@ -114,7 +114,10 @@ class MallocHeader {
uint16_t get_footer() const { return build_footer(footer_address()[0], footer_address()[1]); }
void set_footer(uint16_t v) { footer_address()[0] = v >> 8; footer_address()[1] = (uint8_t)v; }
public:
template<typename InTypeParam, typename OutTypeParam>
inline static OutTypeParam resolve_checked_impl(InTypeParam memblock);
public:
// Contains all of the necessary data to to deaccount block with NMT.
struct FreeInfo {
const size_t size;
@ -140,10 +143,15 @@ class MallocHeader {
// an option pointer to the corruption in p_corruption, and return false.
// Return true if block is fine.
inline bool check_block_integrity(char* msg, size_t msglen, address* p_corruption) const;
// Check correct alignment and placement of pointer, fill in short descriptive text and return false
// if this is not the case.
// Returns true if the memblock looks OK.
inline static bool is_valid_malloced_pointer(const void* payload, char* msg, size_t msglen);
// If block is broken, print out a report to tty (optionally with
// hex dump surrounding the broken block), then trigger a fatal error
inline void assert_block_integrity() const;
inline static const MallocHeader* resolve_checked(const void* memblock);
inline static MallocHeader* resolve_checked(void* memblock);
};
// This needs to be true on both 64-bit and 32-bit platforms