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Improve the dot files generated by graph.c to put the basic blocks for
each function into their own labelled subgraph cluster and to
distinguish between branches and function calls using different edge
types. Requires a change to struct symbol to keep track of the
entrypoint associated with a given function identifier.
Currently, no attempt is made to handle indirect function calls -- they
are just ignored.
Signed-off-by: Dan Sheridan <djs@adelard.com>
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The sparse interface is a kind of snaky that it change the input argument
array. The function sparse() does the same hack just to skip the files.
This patch add the ptr list for string. So sparse_initialize will
return list of file to compile. The string pointer is not aligned
at word boundary. This patch introduce non taged version of the ptr
list iteration function.
Signed-off-by: Christopher Li <sparse@chrisli.org>
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Change the label for basic block nodes from the basic block address to the
position (file, line, column) of the basic block.
Signed-off-by: Josh Triplett <josh@freedesktop.org>
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Add a new backend program which parses the input files, processes them through
the linearization pass, and outputs a graphviz graph of the resulting basic
blocks. Each entrypoint gets labelled by name, but for now the basic blocks
just get labelled with the address of the basic_block structure.
Signed-off-by: Josh Triplett <josh@freedesktop.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Dan Sheridan
Christopher Li
Josh Triplett
Josh Triplett
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