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Add -Z profile-emit=<path> for Gcov gcda output.

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Adds a -Z flag to control the file path that the Gcov gcda output is
written to during runtime. This flag expects a path and filename, e.g.
-Z profile-emit=gcov/out/lib.gcda.

This works similar to GCC/Clang's -fprofile-dir flag which allows
control over the output path for gcda coverage files.
This commit is contained in:
Ivan Lozano 2020-05-26 13:41:40 -04:00
parent aeca4d6428
commit 0c1ef853bb
4 changed files with 11 additions and 4 deletions
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3
src/test/run-make-fulldeps/profile/Makefile
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@ -7,3 +7,6 @@ all:
$(call RUN,test) || exit 1
[ -e "$(TMPDIR)/test.gcno" ] || (echo "No .gcno file"; exit 1)
[ -e "$(TMPDIR)/test.gcda" ] || (echo "No .gcda file"; exit 1)
$(RUSTC) -g -Z profile -Z profile-emit=$(TMPDIR)/abc/abc.gcda test.rs
$(call RUN,test) || exit 1
[ -e "$(TMPDIR)/abc/abc.gcda" ] || (echo "gcda file not emitted to defined path"; exit 1)