tests: Redirect to real I/O to support coverage run

Implement a check that redirects mock io functions to the real
implementations. Real I/O functions are needed for the coverage tool to
be able to create and write files.

BUG=None
BRANCH=None
TEST=None

Change-Id: I0817fce6ea0f53a4c127794a0d8246504675f805
Signed-off-by: Evan Benn <evanbenn@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/69539
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/tests/wraps.h b/tests/wraps.h
index e224d79b0..92b0c42cd 100644
--- a/tests/wraps.h
+++ b/tests/wraps.h
@@ -29,6 +29,7 @@ uintptr_t __wrap_pcidev_readbar(void *dev, int bar);
 void __wrap_sio_write(uint16_t port, uint8_t reg, uint8_t data);
 uint8_t __wrap_sio_read(uint16_t port, uint8_t reg);
 int __wrap_open(const char *pathname, int flags, ...);
+int __real_open(const char *pathname, int flags, ...);
 int __wrap_open64(const char *pathname, int flags, ...);
 int __wrap___open64_2(const char *pathname, int flags, ...);
 int __wrap_ioctl(int fd, unsigned long int request, ...);
@@ -37,6 +38,7 @@ int __wrap_read(int fd, void *buf, size_t sz);
 FILE *__wrap_fopen(const char *pathname, const char *mode);
 FILE *__wrap_fopen64(const char *pathname, const char *mode);
 FILE *__wrap_fdopen(int fd, const char *mode);
+FILE *__real_fdopen(int fd, const char *mode);
 int __wrap_stat(const char *path, void *buf);
 int __wrap_stat64(const char *path, void *buf);
 int __wrap___xstat(const char *path, void *buf);
@@ -49,6 +51,7 @@ char *__wrap_fgets(char *buf, int len, FILE *fp);
 char *__wrap___fgets_chk(char *buf, int len, FILE *fp);
 size_t __wrap_fread(void *ptr, size_t size, size_t nmemb, FILE *fp);
 size_t __wrap_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *fp);
+size_t __real_fwrite(const void *ptr, size_t size, size_t nmemb, FILE *fp);
 int __wrap_fflush(FILE *fp);
 int __wrap_fileno(FILE *fp);
 int __wrap_fsync(int fd);