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2004-10-28 by dave_albert
When building thumb code with gcc, on some function calls (notably calls to IAP), I get a link failure due to an undefined _call_via_r3. I assume this is normally supplied by a library, but it is not present in the gnu tools supplied with the OCDemon. Does anyone know what this function does so I can implement it myself?
2004-10-28 by dave_albert
--- In lpc2000@yahoogroups.com, "dave_albert" <david_albert@h...> wrote: > > When building thumb code with gcc, on some > function calls (notably calls to IAP), I get > a link failure due to an undefined _call_via_r3. > I assume this is normally supplied by > a library, but it is not present in the > gnu tools supplied with the OCDemon. Does > anyone know what this function does so I > can implement it myself? Never mind...I found the answer: bx r3 nop
2004-10-28 by Mark Crow
It jumps to an assembly language function that simply performs a "BX R3".
-----Original Message-----
From: dave_albert [mailto:david_albert@...]
Sent: Thursday, October 28, 2004 8:48 AM
To: lpc2000@yahoogroups.com
Subject: [lpc2000] call_via_r3
When building thumb code with gcc, on some
function calls (notably calls to IAP), I get
a link failure due to an undefined _call_via_r3.
I assume this is normally supplied by
a library, but it is not present in the
gnu tools supplied with the OCDemon. Does
anyone know what this function does so I
can implement it myself?
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