stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

6614036: REGRESSION: Java server x86 VM intermittently crash with SIGSEGV (0xb)

Browse Source 
Restore destination address in x86 32-bit checkcast_arraycopy stub

Reviewed-by: jrose, kvn, never
This commit is contained in:
Chuck Rasbold 2007-12-05 09:03:00 -08:00
parent 4abbae1fc2
commit b3b837074b
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
hotspot/src/cpu/x86/vm/stubGenerator_x86_32.cpp
View File

@ -1416,8 +1416,8 @@ class StubGenerator: public StubCodeGenerator {
// ======== end loop ========
// It was a real error; we must depend on the caller to finish the job.
// Register rdx = -1 * number of *remaining* oops, r14 = *total* oops.
// Emit GC store barriers for the oops we have copied (r14 + rdx),
// Register "count" = -1 * number of *remaining* oops, length_arg = *total* oops.
// Emit GC store barriers for the oops we have copied (length_arg + count),
// and report their number to the caller.
__ addl(count, length_arg); // transfers = (length - remaining)
__ movl(rax, count); // save the value
@ -1430,6 +1430,7 @@ class StubGenerator: public StubCodeGenerator {
// Come here on success only.
__ BIND(L_do_card_marks);
__ movl(count, length_arg);
__ movl(to, to_arg); // reload
gen_write_ref_array_post_barrier(to, count);
__ xorl(rax, rax); // return 0 on success