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Re: Finding the selector used in calls objc_msgSend in otool output...
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Re: Finding the selector used in calls objc_msgSend in otool output...


  • Subject: Re: Finding the selector used in calls objc_msgSend in otool output...
  • From: Bob Ippolito <email@hidden>
  • Date: Mon, 10 Jan 2005 17:36:04 -0500

On Jan 10, 2005, at 17:18, Kevin Ballard wrote:

On Jan 10, 2005, at 5:08 PM, Shawn Erickson wrote:

Not sure that works for todays code... because of PIC / none-PIC, etc.

Still trying to connect the dots.

What's PIC / none-PIC?

He meant PIC / non-PIC. PIC means Position Independent Code, and it describes what the load/store opcodes are going to look like coming out of the compiler (the opcodes to load $r4 will look different in this case). Using -fast will turn off PIC unless explicitly turned on by -fPIC, otherwise -fPIC is on by default. PIC must be on for dylibs and bundles, but may be off for an executable.


-bob

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  • Follow-Ups:
    • Re: Finding the selector used in calls objc_msgSend in otool output...
      • From: Shawn Erickson <email@hidden>
References: 
 >Finding the selector used in calls objc_msgSend in otool output... (From: Shawn Erickson <email@hidden>)
 >Re: Finding the selector used in calls objc_msgSend in otool output... (From: Kevin Ballard <email@hidden>)
 >Re: Finding the selector used in calls objc_msgSend in otool output... (From: Shawn Erickson <email@hidden>)
 >Re: Finding the selector used in calls objc_msgSend in otool output... (From: Kevin Ballard <email@hidden>)

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