aceb487ab2
Extend the breakpoint insertion and catching functions to support Thumb code. As breakpoints are no longer of a fixed size, the flush_insns macro is modified to take a size argument instead of an instruction count. Note, we need both 16- and 32-bit Thumb breakpoints, because if we were to use a 16-bit breakpoint to replace a 32-bit instruction which was in an IT block, and the condition check failed, then the breakpoint may not fire (it's unpredictable behaviour) and the CPU could then try and execute the second half of the 32-bit Thumb instruction. Signed-off-by: Jon Medhurst <tixy@yxit.co.uk> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> |
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