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8200613: SA: jstack throws UnmappedAddressException with a CDS core file

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Dump the closed archive heap space into the corefile on Linux by setting bit 2 of the coredump_filter file to dump the file backed private mappings.

Reviewed-by: iklam, cjplummer, kevinw, coleenp
This commit is contained in:
Jini George 2018-12-12 10:13:11 +05:30
parent f4016e5582
commit fdf7d4ec11
5 changed files with 51 additions and 18 deletions
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13
src/hotspot/share/classfile/classLoader.cpp
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@ -363,6 +363,13 @@ void ClassPathZipEntry::contents_do(void f(const char* name, void* context), voi
}
}
void ClassPathImageEntry::close_jimage() {
if (_jimage != NULL) {
(*JImageClose)(_jimage);
_jimage = NULL;
}
}
ClassPathImageEntry::ClassPathImageEntry(JImageFile* jimage, const char* name) :
ClassPathEntry(),
_jimage(jimage) {
@ -614,6 +621,12 @@ void ClassLoader::update_module_path_entry_list(const char *path, TRAPS) {
void ClassLoader::setup_module_search_path(const char* path, TRAPS) {
update_module_path_entry_list(path, THREAD);
}
void ClassLoader::close_jrt_image() {
assert(ClassLoader::has_jrt_entry(), "Not applicable for exploded builds");
_jrt_entry->close_jimage();
}
#endif // INCLUDE_CDS
// Construct the array of module/path pairs as specified to --patch-module