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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_NO_UDBL_DIVISION', # influences anything that uses bignum
'MBEDTLS_PKCS11_C', # build dependency (libpkcs11-helper) 'MBEDTLS_PKCS11_C', # build dependency (libpkcs11-helper)
'MBEDTLS_PLATFORM_NO_STD_FUNCTIONS', # removes a feature '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_KEY_FILE_ID_ENCODES_OWNER', # platform dependency (PSA SPM) (at this time)
'MBEDTLS_PSA_CRYPTO_SPM', # platform dependency (PSA SPM) 'MBEDTLS_PSA_CRYPTO_SPM', # platform dependency (PSA SPM)
'MBEDTLS_PSA_INJECT_ENTROPY', # build dependency (hook functions) 'MBEDTLS_PSA_INJECT_ENTROPY', # build dependency (hook functions)
@ -200,7 +199,7 @@ EXCLUDE_FROM_FULL = frozenset([
]) ])
def is_seamless_alt(name): 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 Include alternative implementations of platform functions, which are
configurable function pointers that default to the built-in function. 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 Exclude alternative implementations of library functions since they require
an implementation of the relevant functions and an xxx_alt.h header. 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_') return name.startswith('MBEDTLS_PLATFORM_')
def include_in_full(name): def include_in_full(name):