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List MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT in is_seamless_alt

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Group all the logic about _ALT symbols in one place, even the lone
exception.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2020-04-20 15:44:14 +02:00
parent 98f8f95208
commit c34faba8fc
1 changed files with 5 additions and 6 deletions
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9
scripts/config.py
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@ -185,7 +185,6 @@ EXCLUDE_FROM_FULL = frozenset([
'MBEDTLS_NO_UDBL_DIVISION', # influences anything that uses bignum
'MBEDTLS_PKCS11_C', # build dependency (libpkcs11-helper)
'MBEDTLS_PLATFORM_NO_STD_FUNCTIONS', # removes a feature
'MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT', # similar to non-platform xxx_ALT, requires platform_alt.h
'MBEDTLS_PSA_CRYPTO_KEY_FILE_ID_ENCODES_OWNER', # platform dependency (PSA SPM) (at this time)
'MBEDTLS_PSA_CRYPTO_SPM', # platform dependency (PSA SPM)
'MBEDTLS_PSA_INJECT_ENTROPY', # build dependency (hook functions)
@ -200,7 +199,7 @@ EXCLUDE_FROM_FULL = frozenset([
])
def is_seamless_alt(name):
"""Include xxx_ALT symbols that don't have external dependencies.
"""Whether the xxx_ALT symbol should be included in the full configuration.
Include alternative implementations of platform functions, which are
configurable function pointers that default to the built-in function.
@ -210,10 +209,10 @@ def is_seamless_alt(name):
Exclude alternative implementations of library functions since they require
an implementation of the relevant functions and an xxx_alt.h header.
If a symbol matches this naming pattern but doesn't behave like the others,
list it in EXCLUDE_FROM_FULL.
"""
if name == 'MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT':
# Similar to non-platform xxx_ALT, requires platform_alt.h
return False
return name.startswith('MBEDTLS_PLATFORM_')
def include_in_full(name):