Add support for the tracing infastructure in coreboot.
The compiler is forced to emmit special functions on every entry/exit of the function. Add a compile time option to support it. Function entries will be printed in the console. The CONFIG_TRACE has more documentation. Patch for userspace tools will follow. Change-Id: I2cbeb3f104892b034c8756f86ed05bf71187c3f3 Signed-off-by: Rudolf Marek <r.marek@assembler.cz> Reviewed-on: http://review.coreboot.org/178 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Stefan Reinauer
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@@ -51,6 +51,10 @@ classes-y := ramstage romstage driver smm
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romstage-c-ccopts:=-D__PRE_RAM__
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romstage-S-ccopts:=-D__PRE_RAM__
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ifeq ($(CONFIG_TRACE),y)
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ramstage-c-ccopts:= -finstrument-functions
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endif
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smm-c-ccopts:=-D__SMM__
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smm-S-ccopts:=-D__SMM__
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