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From: "Dave Korn" <dave.korn@artimi.com>
To: "'Indira'" <yoursindu@gmail.com>, 	<gdb@sourceware.org>
References: <656b5870706130328v7121cdcdt18c4b59baebc0865@mail.gmail.com>
Subject: RE: Setting registers
Date: Wed, 13 Jun 2007 13:45:00 -0000
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On 13 June 2007 11:28, Indira wrote:

> Hi,
> 
> I was writing a macro in which i was trying to the variable ebp and eip as,
> 
> set variable $ebp = *(int *)($sp+8)
> set variable $eip = *(int *)($sp+36)
> 
> but, even though by doing this th eregister values dont get updated.
> Why is this so? Can anyone help me on this?

  Dunno, works fine for me:

Breakpoint 1, main () at time.c:13
13      {       double t0 = get_time(), t1 = get_time();
(gdb) info regis
eax            0x10     16
ecx            0x401080 4198528
edx            0x4c     76
ebx            0x0      0
esp            0x23cc80 0x23cc80
ebp            0x23ccb8 0x23ccb8
esi            0x611001a0       1628438944
edi            0x401430 4199472
eip            0x40108b 0x40108b <main+11>
eflags         0x202    [ IF ]
cs             0x1b     27
ss             0x23     35
ds             0x23     35
es             0x23     35
fs             0x3b     59
gs             0x0      0
(gdb) set variable $ebp = *(int *)($sp+8)
(gdb) set variable $eip = *(int *)($sp+36)
(gdb) info regis
eax            0x10     16
ecx            0x401080 4198528
edx            0x4c     76
ebx            0x0      0
esp            0x23cc80 0x23cc80
ebp            0x61166a78       0x61166a78
esi            0x611001a0       1628438944
edi            0x401430 4199472
eip            0x2f     0x2f
eflags         0x202    [ IF ]
cs             0x1b     27
ss             0x23     35
ds             0x23     35
es             0x23     35
fs             0x3b     59
gs             0x0      0
(gdb)


  You're not by any chance trying to debug a core file are you?

    cheers,
      DaveK
-- 
Can't think of a witty .sigline today....