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Alessandro Rubini authored
This copies over pp_printf from wrpc-sw, builds it, and changes trace.h to explicitly call pp_printf. Actually, it also define mprintf to pp_printf. The excplicit call is needed, or the --gc-functions will discard the pp_printf code if no object file refers to it. Later, arch/lm32/ram.ld redirects mprintf to pp_printf, but that would be too late. Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
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