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Use Software Package Data Exchange (SPDX) to indicate license for each
file that is unique to skiboot.
At the same time, ensure the (C) who and years are correct.
See https://spdx.org/
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
[oliver: Added a few missing files]
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
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Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
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Extracting the skiboot gcov data is currently a tedious process which
involves taking a mem dump of skiboot and searching for the gcov_info
struct.
This patch adds the gcov struct to sysfs under /opal/exports. Allowing the
data to be copied directly into userspace and processed.
Signed-off-by: Matt Brown <matthew.brown.dev@gmail.com>
[stewart: refactor to dump out whole skiboot area, as gcov data is all over]
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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__gcov_exit() was added in GCC 7.1
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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The gcov constructors call __gcov_init() for each gcov covered file,
which we then need to turn into a linked list of all gcov files so
that we can traverse them later to pull out gcov profiling data.
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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Enable build options for building skiboot with GCOV profiling,
including a skeleton -lgcov replacement in the form of core/gcov-profiling.c
We don't actually have to do anything as part of the gcov routines,
gcov auto generates everything we need.
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
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