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Re: gcc and -fPIC
- From: bserdar at nc dot rr dot com
- To: Gerhard Wiesinger <gerhard at wiesinger dot com>
- Cc: binutils at sources dot redhat dot com, gcc-help at gcc dot gnu dot org
- Date: Fri, 15 Oct 2004 14:26:38 -0400
- Subject: Re: gcc and -fPIC
- Reply-to: bserdar at nc dot rr dot com
> 80485b3: e8 00 00 00 00 call 80485b8 <X::f()+0xc>
> 80485b8: 5b pop %ebx
> 80485b9: 81 c3 5c 12 00 00 add $0x125c,%ebx
With pop ebx, it pops the eip at that instruction to ebx. I'm guessing it'll use ebx as a base pointer to data (or code?) from this point on. You can verify this guess by accessing some global variables from within X::f() and see whether it uses ebx-relative access.