From: Eli Zaretskii <eliz@gnu.org>
To: Ken Brown <kbrown@cornell.edu>
Cc: 17817@debbugs.gnu.org
Subject: bug#17817: 24.3.91; Assertion failure in bidi.c (Cygwin-w32 build)
Date: Fri, 20 Jun 2014 21:29:57 +0300 [thread overview]
Message-ID: <83oaxnqvru.fsf@gnu.org> (raw)
In-Reply-To: <53A464A2.3080001@cornell.edu>
> Date: Fri, 20 Jun 2014 12:43:14 -0400
> From: Ken Brown <kbrown@cornell.edu>
> CC: 17817@debbugs.gnu.org
>
> (gdb) disas bidi_check_type
> Dump of assembler code for function bidi_check_type:
> 0x00000001004fb4c3 <+0>: push %rbp
> 0x00000001004fb4c4 <+1>: mov %rsp,%rbp
> 0x00000001004fb4c7 <+4>: sub $0x20,%rsp
> 0x00000001004fb4cb <+8>: mov %ecx,0x10(%rbp)
> 0x00000001004fb4ce <+11>: mov 0x56402b(%rip),%rax # 0x100a5f500 <.refptr.suppress_checking>
> 0x00000001004fb4d5 <+18>: movzbl (%rax),%eax
> 0x00000001004fb4d8 <+21>: xor $0x1,%eax
> 0x00000001004fb4db <+24>: test %al,%al
> 0x00000001004fb4dd <+26>: je 0x1004fb4ff <bidi_check_type+60>
> 0x00000001004fb4df <+28>: cmpl $0x17,0x10(%rbp)
> 0x00000001004fb4e3 <+32>: jbe 0x1004fb4ff <bidi_check_type+60>
So the value compared to 23 (17 hex) is at address %rbp+0x10. What
does this display:
(gdb) p *(bidi_type_t *)($rbp+0x10)
(or maybe you should use %rbp with 64-bit build, I don't know).
next prev parent reply other threads:[~2014-06-20 18:29 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-20 13:42 bug#17817: 24.3.91; Assertion failure in bidi.c (Cygwin-w32 build) Ken Brown
2014-06-20 14:21 ` Eli Zaretskii
2014-06-20 14:40 ` Ken Brown
2014-06-20 14:47 ` Eli Zaretskii
2014-06-20 14:54 ` Ken Brown
2014-06-20 16:43 ` Ken Brown
2014-06-20 18:29 ` Eli Zaretskii [this message]
2014-06-21 19:14 ` Ken Brown
2014-06-21 19:30 ` Eli Zaretskii
2014-06-21 19:36 ` Ken Brown
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