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[Bug 1001524] New: Cortex-M: Remote 'g' packet reply is too long
- From: bugzilla-daemon at bugs dot ecos dot sourceware dot org
- To: ecos-bugs at ecos dot sourceware dot org
- Date: Wed, 7 Mar 2012 16:58:32 +0000
- Subject: [Bug 1001524] New: Cortex-M: Remote 'g' packet reply is too long
- Auto-submitted: auto-generated
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Summary: Cortex-M: Remote 'g' packet reply is too long
Product: eCos
Version: CVS
Platform: All
OS/Version: Cortex-M
Status: NEW
Severity: enhancement
Priority: normal
Component: GDB stubs
AssignedTo: unassigned@bugs.ecos.sourceware.org
ReportedBy: john@dallaway.org.uk
CC: ecos-bugs@ecos.sourceware.org
Class: Advice Request
When connecting to the Cortex-M GDB stub from recent versions of GDB, an error
is observed:
> (gdb) tar rem /dev/ttyS0
> Remote debugging using /dev/ttyS0
> Remote 'g' packet reply is too long: e14e000810000000000000001000000000000000000000000000000000000000000000000000000000000000fccf0d6800000000e8cf0d6895680008e24e00080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000021
> (gdb)
This occurs because the default register set for ARM M-profile targets has been
reduced (FPA registers have been removed) in recent GDB.
We should add a CDL option to the Cortex-M architectural HAL which allows the
stub to return the register set with or without the FPA registers.
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