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tests: Detect llvm coverage run and redirect to real I/O functions

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Code coverage writes data to disk, we need to use real io functions at
this point so that the data is really written.

BUG=b:187647884
BRANCH=None
TEST=llvm-profdata merge -sparse default.profraw -o default.profdata
TEST=llvm-cov show ./flashrom_unit_tests
-instr-profile=default.profdata --format=html --output-dir=.

Change-Id: I21cc1d631e92fa19006b967e85676f108e80b307
Signed-off-by: Evan Benn <evanbenn@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/69267
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Evan Benn
2022-11-04 17:00:40 +11:00
committed by Anastasia Klimchuk
parent bcaaae15ae
commit 819c275074
4 changed files with 31 additions and 1 deletions
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2
tests/tests.c
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@ -170,6 +170,7 @@ int __wrap_read(int fd, void *buf, size_t sz)
FILE *__wrap_fopen(const char *pathname, const char *mode)
{
LOG_ME;
maybe_unmock_io(pathname);
if (get_io() && get_io()->iom_fopen)
return get_io()->iom_fopen(get_io()->state, pathname, mode);
return not_null();
@ -178,6 +179,7 @@ FILE *__wrap_fopen(const char *pathname, const char *mode)
FILE *__wrap_fopen64(const char *pathname, const char *mode)
{
LOG_ME;
maybe_unmock_io(pathname);
if (get_io() && get_io()->iom_fopen)
return get_io()->iom_fopen(get_io()->state, pathname, mode);
return not_null();