Linaro GDB

Improve the gross correctness of GDB

Registered by Michael Hope on 2010-09-29

GDB has some significant issues with Thumb-2, ARM, and SMP. Fix these to bring GDB up to a basic level.

Bug #523959: GDB backtrace does not work correctly for Thumb-2 on armel	Fix Released
Bug #615972: Neon registers missing in core files	Fix Released
Bug #615974: Interrupted system call handling	Fix Released
Bug #615978: Failure to software single-step into signal handler	Fix Released
Bug #615982: Software watchpoint problems	Fix Released
Bug #616000: Handle -fstack-protector prologue code	Fix Released
Bug #616006: Crashes when debugging multi-threaded applications	Invalid
Bug #617384: .debug_line is wrong with -fpic	Fix Released
Bug #620611: Unable to backtrace out of vector page 0xffff0000	Fix Released
Bug #649067: C++ debug info regressions in 4.5	Fix Released
Bug #661253: Improve backtrace by using ARM exception tables	Fix Released
Bug #662324: Pointer type information lost in 4.5 debuginfo	Fix Released
Bug #663542: Single-stepping failures in Thumb mode	Fix Released

Status tracked through bug report tickets.
Tested configurations: -marm / -mthumb, GCC 4.4 / 4.5 / 4.6, system debug info present / missing

Effort: 2-4M

* Blueprints in grey have been implemented.

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