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8156659: assert(CodeCache::find_blob_unsafe(_pc) == _cb) failed: inconsistent

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Stackwalking from corrupt frame

Reviewed-by: dlong, thartmann
This commit is contained in:
Nils Eliasson 2016-08-15 16:04:16 +02:00
parent 2eab293b99
commit 61066d3795
1 changed files with 8 additions and 2 deletions

10
hotspot/src/os_cpu/solaris_sparc/vm/os_solaris_sparc.cpp

@ -274,8 +274,14 @@ bool os::Solaris::get_frame_at_stack_banging_point(JavaThread* thread, ucontext_
// stack overflow handling // stack overflow handling
return false; return false;
} else { } else {
*fr = os::fetch_frame_from_ucontext(thread, uc); // Returned frame will be the caller of the method that faults on the stack bang.
*fr = frame(fr->sender_sp(), fr->sp()); // Register window not yet rotated (happens at SAVE after stack bang), so there is no new
// frame to go with the faulting PC. Using caller SP that is still in SP, and caller PC
// that was written to O7 at call.
intptr_t* sp = os::Solaris::ucontext_get_sp(uc);
address pc = (address)uc->uc_mcontext.gregs[REG_O7];
*fr = frame(sp, frame::unpatchable, pc);
if (!fr->is_java_frame()) { if (!fr->is_java_frame()) {
assert(fr->safe_for_sender(thread), "Safety check"); assert(fr->safe_for_sender(thread), "Safety check");
*fr = fr->java_sender(); *fr = fr->java_sender();