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Some tests will need variables, and so we need a mock implementation of
the various calls relating to them.
This patch adds implementations for the EFI Runtime Services calls
GetVariable(), SetVariable(), GetNextVariableName(), and
QueryVariableInfo(). Additionally, it enforces tunable limits on
storage for variables, and (with only a little work) the limits can be
different for SetVariable() vs what is returned by QueryVariableInfo().
That is, it can lie to you like real systems do.
Signed-off-by: Peter Jones <pjones@redhat.com>
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This adds more mock functions that just return various EFI error codes
in the EFIAPI ABI.
Signed-off-by: Peter Jones <pjones@redhat.com>
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When writing new tests, if we get to the point where we have to use
libefivar for something, it's very common that I accidentally link it in
twice. When that happens, I typically spend an unfortunate amount of
time staring at FLTO's mangled names before I figure out what I've done
wrong.
This patch makes all the tests link against libefivar, thereby
avoiding the issue.
Signed-off-by: Peter Jones <pjones@redhat.com>
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Some tests have some complex flows, and it's useful to be able to see
the call path when there's a failure.
This patch adds a very simple traceback printer, along with changing the
test build arguments to include more debug information.
The result you get from this traceback printer just gives you a function
name and the index into its .txt content, so to use it for more than
"which function calls which", you'll need to use eu-addr2line with the
output.
Signed-off-by: Peter Jones <pjones@redhat.com>
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In some test cases, it may be useful to call libefi.a functions, such as
the device path parsing functions, which allocate pages via
BS->AllocatePool() or BS->AllocatePages.
This patch ads a simple mock implementation of those functions, as well
as the EFI_SYSTEM_TABLE, EFI_BOOT_SERVICES, and EFI_RUNTIME_SERVICES
variables *ST, *BS, and *RT (respectively), and initializes them before
the test cases run.
Signed-off-by: Peter Jones <pjones@redhat.com>
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This allows us to use library functions from libefi.a in our test
programs.
Signed-off-by: Peter Jones <pjones@redhat.com>
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test.c duplicates a couple of objects (StrnCmp, StrCmp) that are
in libefi.a, as well as SHIM_LOCK_GUID from lib/guid.o. While it's nice
to have these at some places, we need to disable them if we're actually
linking a test case against either of those.
This patch adds HAVE_foo guards around those objects.
Signed-off-by: Peter Jones <pjones@redhat.com>
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This re-structures our includes so we can be sure everything is always
including all the system headers in a uniform, predictable way.
Temporarily it also adds a bunch of junk at all the places we use
variadic functions to specifically pick either the MS (cdecl) or ELF
ABIs.
I'm not 100% sure that's all correct (see later patch) but it's enough
to allow this to build.
Signed-off-by: Peter Jones <pjones@redhat.com>
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This adds a couple of make targets to do unit tests that are linked to
libc:
test-FOO : builds and runs test-FOO for any test-FOO.c
test : builds and runs all test-FOO tests
Note that building and running this test does not quite work yet /on
this branch/. In order to do that, we need some cleanups and
reorganizing that I don't want to push just yet, which can be found on
https://github.com/rhboot/shim/tree/test-reorg
Signed-off-by: Peter Jones <pjones@redhat.com>
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