perf probe: Support DW_AT_const_value constant value

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Support DW_AT_const_value for variable assignment instead of location.
Note that this requires ftrace supporting immediate value.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Tom Zanussi <tom.zanussi@linux.intel.com>
Link: http://lore.kernel.org/lkml/157406476012.24476.16096289871757175775.stgit@devnote2
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

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Masami Hiramatsu 2019-11-18 17:12:40 +09:00 • committed by Arnaldo Carvalho de Melo

parent 72363540c0

commit 66f69b2197

3 changed files with 19 additions and 0 deletions

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7

tools/perf/util/probe-file.c

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1

tools/perf/util/probe-file.h

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11

tools/perf/util/probe-finder.c

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