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authorAlex Bennée <alex.bennee@linaro.org>2015-12-17 13:37:15 +0000
committerPeter Maydell <peter.maydell@linaro.org>2015-12-17 13:37:15 +0000
commit2ecb2027bc5033dfa92d00d708723053f9689564 (patch)
treeb1a2cbd521d3646c6729572f125d2b8bbf89373f /tcg
parent29eb3d9a911b13e2a66413ba5cc6c69a0f4a4528 (diff)
target-arm: kvm - implement software breakpoints
These don't involve messing around with debug registers, just setting the breakpoint instruction in memory. GDB will not use this mechanism if it can't access the memory to write the breakpoint. All the kernel has to do is ensure the hypervisor traps the breakpoint exceptions and returns to userspace. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 1449599553-24713-3-git-send-email-alex.bennee@linaro.org [PMM: Fixed typo in comment] Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'tcg')
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