#12007 NORM Not Tri: gdb for ARM lacks NEON support
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Tue Jul 10 21:54:45 EDT 2012
#12007: gdb for ARM lacks NEON support
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Reporter: greenfeld | Owner: pbrobinson
Type: defect | Status: new
Priority: normal | Milestone: Not Triaged
Component: distro | Version: Development build as of this date
Keywords: | Next_action: diagnose
Verified: 0 | Deployment_affected:
Blockedby: | Blocking:
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While trying to debug #11994 we discovered that "info all-registers" in
gdb does not show the d* series of registers, suggesting that gdb and/or
the kernel were not compiled to support debugging ARM's NEON extensions.
According to gdb's disassembly, the code being analyzed was using the d
registers, but we could not see their values.
https://groups.google.com/forum/?fromgroups#!topic/beagleboard/Sw6Cvh4QYkI
has a recipe on how to enable NEON debugging support.
At this time we do not know if this is critical to solving #11994 or not.
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Ticket URL: <http://dev.laptop.org/ticket/12007>
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