50 Commits

Author SHA1 Message Date
Gilles Peskine b70c4e07d0 Adjust code style for pointer types and casts
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2023-04-26 19:59:28 +02:00
Gilles Peskine 2986accd20 typo
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2023-04-26 19:57:50 +02:00
Gilles Peskine 6f5082bf4d Allow more signed integer types in test function arguments
Now that the C code supports the full range of intmax_t, allow any size of
signed integer type in the .data file parser.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2023-04-26 19:40:02 +02:00
Gilles Peskine 872948cc72 Support larger integer test arguments: C part
Change the type of signed integer arguments from int32_t to intmax_t.
This allows the C code to work with test function arguments with a range
larger than int32_t. A subsequent commit will change the .datax generator
to support larger types.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2023-04-26 19:40:02 +02:00
Gilles Peskine 4ea4ad082b parse_function_arguments: stricter type parsing
Use normalization the equality comparisons instead of loose regular
expressions to determine the type of an argument of a test function.

Now declarations are parsed in a stricter way: there can't be ignored junk
at the beginning or at the end. For example, `long long unsigned int x`
was accepted as a test function argument (but not `long long unsigned x`),
although this was misleading since the value was truncated to the range of
int. Now only recognized types are accepted.

The new code is slightly looser in that it accepts `char const*` as well as
`const char*`.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2023-04-26 19:40:02 +02:00
Gilles Peskine 47e2e8817d Support (void) as an argument list of a test function
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2023-04-26 19:40:02 +02:00
Gilles Peskine 096f0ca7e5 parse_function_arguments: extract per-argument function
Internal refactoring only, no behavior change.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2023-04-26 19:40:02 +02:00
Gilles Peskine 400cde607b parse_function_arguments: make local_vars a list
Internal refactoring only, no behavior change.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2023-04-26 19:40:02 +02:00
Gilles Peskine b3c2eaf00f Support different types in the parameter store
The test framework stores size_t and int32_t values in the parameter store
by converting them all to int. This is ok in practice, since we assume int
covers int32_t and we don't have test data larger than 2GB. But it's
confusing and error-prone. So make the parameter store a union, which allows
size_t values not to be potentially truncated and makes the code a little
clearer.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2023-04-26 19:40:02 +02:00
Gilles Peskine 5226eb5cd3 Simplify parsing of integers in .datax files
In the .datax parser, since we're calling strtol() anyway, rely on it for
verification. This makes the .datax parser very slightly more
liberal (leading spaces and '+' are now accepted), and changes the
interpretation of numbers with leading zeros to octal.

Before, an argument like :0123: was parsed as decimal, but an argument like
:0123+1: was parsed as a C expression and hence the leading zero marked an
octal representation. Now, a leading zero is always interpreted according to
C syntax, namely indicating octal. There are no nonzero integer constants
with a leading zero in a .data file, so this does not affect existing test
cases.

In the .datax generator, allow negative arguments to be 'int' (before, they
were systematically treated as 'exp' even though they didn't need to be).

In the .datax parser, validate the range of integer constants. They have to
fit in int32_t. In the .datax generator, use 'exp' instead of 'int' for
integer constants that are out of range.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2023-04-26 19:40:02 +02:00
Gilles Peskine ca25deee12 Factor get_function_info out of gen_from_test_data
No intended behavior change. This commit is mainly to satisfy pylint, which
complains that gen_from_test_data now has too many variables. But it's a
good thing anyway to make the function a little more readable.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2023-04-26 19:38:41 +02:00
Gilles Peskine 8542f5c81f Add line number to a few error messages
This is just a quick improvement, not meant to tackle the problem as a
whole.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2023-04-26 19:38:40 +02:00
Gilles Peskine 18f7028a0e Preserve line breaks from continued line comments
The commit "Preserve line breaks in comments before test functions"
only handled block comments. This commit handles line comments.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2022-11-30 16:38:49 +01:00
Gilles Peskine d8c0803821 Preserve line breaks in comments before test functions
This way line numbers match better in error messages.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2022-11-29 22:04:45 +01:00
Gilles Peskine 9ac62c3a97 Explain space preservation
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2022-11-18 22:27:37 +01:00
Gilles Peskine 268ea5a9b0 Typos in comments
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2022-11-18 22:26:03 +01:00
Gilles Peskine 07510f5ba3 Allow comments in prototypes of unit test functions
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2022-11-11 16:37:16 +01:00
Gilles Peskine 0c3f5f1471 Remove some Python 2 compatibility code
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2022-11-10 19:52:28 +01:00
David Horstmann 360f8e4429 Minor improvements to test code script
Signed-off-by: David Horstmann <david.horstmann@arm.com>
2022-11-09 17:27:33 +00:00
David Horstmann b85838f2f4 Change test templating syntax to be valid C
For the benefit of auto-formatting tools, move from the '$placeholder'
templating syntax to a new syntax of the form:

__MBEDTLS_TEST_TEMPLATE__PLACEHOLDER

This change allows the test code template to be almost entirely valid C.

Signed-off-by: David Horstmann <david.horstmann@arm.com>
2022-11-04 19:53:39 +00:00
Gilles Peskine d025422c28 Remove on-target testing
It was unmaintained and untested, and the fear of breaking it was holding us
back. Resolves #4934.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-10-27 11:45:57 +02:00
Bence Szépkúti 1e14827beb Update copyright notices to use Linux Foundation guidance
As a result, the copyright of contributors other than Arm is now
acknowledged, and the years of publishing are no longer tracked in the
source files.

Also remove the now-redundant lines declaring that the files are part of
MbedTLS.

This commit was generated using the following script:

# ========================
#!/bin/sh

# Find files
find '(' -path './.git' -o -path './3rdparty' ')' -prune -o -type f -print | xargs sed -bi '

# Replace copyright attribution line
s/Copyright.*Arm.*/Copyright The Mbed TLS Contributors/I

# Remove redundant declaration and the preceding line
$!N
/This file is part of Mbed TLS/Id
P
D
'
# ========================

Signed-off-by: Bence Szépkúti <bence.szepkuti@arm.com>
2020-08-19 10:35:41 +02:00
Gilles Peskine 8b022359e8 Pylint: minor code simplifications
Simplify the code in minor ways. Each of this changes fixes a warning
from Pylint 2.4 that doesn't appear with Pylint 1.7.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-04-11 20:23:22 +02:00
Gilles Peskine 184c096e95 Pylint: abide by useless-object-inheritance warnings
Inheriting from object is a remainder of Python 2 habits and is just
clutter in Python 3.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2020-04-11 20:23:22 +02:00
Gilles Peskine e915d532a6 Silence pylint
Silence pylint in specific places where we're doing slightly unusual
or dodgy, but correct.
2019-02-27 11:03:25 +01:00