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Message-ID: <20110921122929.GA11744@openwall.com>
Date: Wed, 21 Sep 2011 16:29:29 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: 1.7.8-jumbo-6-RC* on Mac OS X
Jim, magnum, all -
I am testing the current code on Mac OS X 10.5. macosx-x86-64 builds
and passes tests fine, but -sse2 fails at initialization:
(gdb) r
Starting program: /Users/user/john/john-1.7.8-jumbo-6-RC6/run/john
Reading symbols for shared libraries +++++. done
Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_PROTECTION_FAILURE at address: 0x00000000
0x0001e1b1 in md5_gen_SETUP ()
(gdb) disass 0x0001e1a0 0x0001e1c0
Dump of assembler code from 0x1e1a0 to 0x1e1c0:
0x0001e1a0 <md5_gen_SETUP+528>: stos %eax,%es:(%edi)
0x0001e1a1 <md5_gen_SETUP+529>: mov %esi,%ecx
0x0001e1a3 <md5_gen_SETUP+531>: mov 0x70(%esp),%esi
0x0001e1a7 <md5_gen_SETUP+535>: lea 0x64(%ebp),%edi
0x0001e1aa <md5_gen_SETUP+538>: rep stos %eax,%es:(%edi)
0x0001e1ac <md5_gen_SETUP+540>: mov 0xc(%esi),%eax
0x0001e1af <md5_gen_SETUP+543>: xor %esi,%esi
0x0001e1b1 <md5_gen_SETUP+545>: mov (%eax),%eax
0x0001e1b3 <md5_gen_SETUP+547>: test %eax,%eax
0x0001e1b5 <md5_gen_SETUP+549>: je 0x1e202 <md5_gen_SETUP+626>
0x0001e1b7 <md5_gen_SETUP+551>: nopw 0x0(%eax,%eax,1)
End of assembler dump.
(gdb) p $eax
$1 = 0
I'll investigate this.
Also, there's this warning:
md5-mmx.S:36:Alignment too large: 15. assumed.
I think we should define/use DO_ALIGN(), like we do in other files. But
I might not bother fixing this now.
Alexander
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