Ubuntu
xulrunner-1.9.1 package

  1. Bug #488354
  2. Comment #47

Comment 47 for bug 488354

Revision history for this message
In , Mark-finkle (mark-finkle) wrote :

I tried stepping through invoke_copy_to_stack:

(gdb) step 1
80 in /home/mfinkle/mozilla-192/mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_arm.cpp
(gdb) step 1
88 in /home/mfinkle/mozilla-192/mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_arm.cpp
(gdb) step 1
86 in /home/mfinkle/mozilla-192/mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_arm.cpp
(gdb) step 1
87 in /home/mfinkle/mozilla-192/mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_arm.cpp
(gdb) step 1
92 in /home/mfinkle/mozilla-192/mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_arm.cpp
(gdb) step 1
nsXPTCVariant::IsPtrData (this=<value optimized out>) at ../../../../../../dist/include/xptcall.h:110
110 ../../../../../../dist/include/xptcall.h: No such file or directory.
 in ../../../../../../dist/include/xptcall.h
(gdb) step 1
invoke_copy_to_stack (stk=0xbe809940, paramCount=1, s=0xbe809b70)
    at /home/mfinkle/mozilla-192/mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_arm.cpp:91
91 /home/mfinkle/mozilla-192/mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_arm.cpp: No such file or directory.
 in /home/mfinkle/mozilla-192/mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_arm.cpp
(gdb) step 1
92 in /home/mfinkle/mozilla-192/mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_arm.cpp
(gdb) step 1
94 in /home/mfinkle/mozilla-192/mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_arm.cpp
(gdb) step 1
92 in /home/mfinkle/mozilla-192/mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_arm.cpp
(gdb) step 1
88 in /home/mfinkle/mozilla-192/mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_arm.cpp
(gdb) step 1

Program received signal SIGSEGV, Segmentation fault.
0xbe809b70 in ?? ()
0xbe809b70: andeq r0, r0, r0

Looks like the if(s->IsPtrData()) test is true and we attempt to continue. I should have been checking locals after each step. More coming.