Merge pull request #5542 from gilles-peskine-arm/config-baremetal-size-2.28
Backport 2.28: Disable debugging features in the primary code size measurement job
diff --git a/scripts/config.py b/scripts/config.py
index 01f570e..ded7785 100755
--- a/scripts/config.py
+++ b/scripts/config.py
@@ -272,6 +272,24 @@
return True
return include_in_full(name) and keep_in_baremetal(name)
+# This set contains options that are mostly for debugging or test purposes,
+# and therefore should be excluded when doing code size measurements.
+# Options that are their own module (such as MBEDTLS_CERTS_C and
+# MBEDTLS_ERROR_C) are not listed and therefore will be included when doing
+# code size measurements.
+EXCLUDE_FOR_SIZE = frozenset([
+ 'MBEDTLS_CHECK_PARAMS', # increases the size of many modules
+ 'MBEDTLS_CHECK_PARAMS_ASSERT', # no effect without MBEDTLS_CHECK_PARAMS
+ 'MBEDTLS_DEBUG_C', # large code size increase in TLS
+ 'MBEDTLS_SELF_TEST', # increases the size of many modules
+ 'MBEDTLS_TEST_HOOKS', # only useful with the hosted test framework, increases code size
+])
+
+def baremetal_size_adapter(name, active, section):
+ if name in EXCLUDE_FOR_SIZE:
+ return False
+ return baremetal_adapter(name, active, section)
+
def include_in_crypto(name):
"""Rules for symbols in a crypto configuration."""
if name.startswith('MBEDTLS_X509_') or \
@@ -483,6 +501,9 @@
add_adapter('baremetal', baremetal_adapter,
"""Like full, but exclude features that require platform
features such as file input-output.""")
+ add_adapter('baremetal_size', baremetal_size_adapter,
+ """Like baremetal, but exclude debugging features.
+ Useful for code size measurements.""")
add_adapter('full', full_adapter,
"""Uncomment most features.
Exclude alternative implementations and platform support
diff --git a/tests/scripts/all.sh b/tests/scripts/all.sh
index 7adc06c..6677b20 100755
--- a/tests/scripts/all.sh
+++ b/tests/scripts/all.sh
@@ -2767,16 +2767,16 @@
}
component_build_arm_none_eabi_gcc () {
- msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -O1" # ~ 10s
+ msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -O1, baremetal+debug" # ~ 10s
scripts/config.py baremetal
make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" LD="${ARM_NONE_EABI_GCC_PREFIX}ld" CFLAGS='-std=c99 -Werror -Wall -Wextra -O1' lib
- msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -O1"
+ msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -O1, baremetal+debug"
${ARM_NONE_EABI_GCC_PREFIX}size library/*.o
}
component_build_arm_linux_gnueabi_gcc_arm5vte () {
- msg "build: ${ARM_LINUX_GNUEABI_GCC_PREFIX}gcc -march=arm5vte" # ~ 10s
+ msg "build: ${ARM_LINUX_GNUEABI_GCC_PREFIX}gcc -march=arm5vte, baremetal+debug" # ~ 10s
scripts/config.py baremetal
# Build for a target platform that's close to what Debian uses
# for its "armel" distribution (https://wiki.debian.org/ArmEabiPort).
@@ -2785,7 +2785,7 @@
# https://github.com/Mbed-TLS/mbedtls/pull/3449#issuecomment-675313720
make CC="${ARM_LINUX_GNUEABI_GCC_PREFIX}gcc" AR="${ARM_LINUX_GNUEABI_GCC_PREFIX}ar" CFLAGS='-Werror -Wall -Wextra -march=armv5te -O1' LDFLAGS='-march=armv5te'
- msg "size: ${ARM_LINUX_GNUEABI_GCC_PREFIX}gcc -march=armv5te -O1"
+ msg "size: ${ARM_LINUX_GNUEABI_GCC_PREFIX}gcc -march=armv5te -O1, baremetal+debug"
${ARM_LINUX_GNUEABI_GCC_PREFIX}size library/*.o
}
support_build_arm_linux_gnueabi_gcc_arm5vte () {
@@ -2793,23 +2793,23 @@
}
component_build_arm_none_eabi_gcc_arm5vte () {
- msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -march=arm5vte" # ~ 10s
+ msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -march=arm5vte, baremetal+debug" # ~ 10s
scripts/config.py baremetal
# This is an imperfect substitute for
# component_build_arm_linux_gnueabi_gcc_arm5vte
# in case the gcc-arm-linux-gnueabi toolchain is not available
make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" CFLAGS='-std=c99 -Werror -Wall -Wextra -march=armv5te -O1' LDFLAGS='-march=armv5te' SHELL='sh -x' lib
- msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -march=armv5te -O1"
+ msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -march=armv5te -O1, baremetal+debug"
${ARM_NONE_EABI_GCC_PREFIX}size library/*.o
}
component_build_arm_none_eabi_gcc_m0plus () {
- msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -mthumb -mcpu=cortex-m0plus" # ~ 10s
- scripts/config.py baremetal
+ msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -mthumb -mcpu=cortex-m0plus, baremetal_size" # ~ 10s
+ scripts/config.py baremetal_size
make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" LD="${ARM_NONE_EABI_GCC_PREFIX}ld" CFLAGS='-std=c99 -Werror -Wall -Wextra -mthumb -mcpu=cortex-m0plus -Os' lib
- msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -mthumb -mcpu=cortex-m0plus -Os"
+ msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -mthumb -mcpu=cortex-m0plus -Os, baremetal_size"
${ARM_NONE_EABI_GCC_PREFIX}size library/*.o
}