mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-09 11:40:46 +00:00
74018be739
This is a preparation to check if our users find noticeable bugs in the x86-64 target, before we can decide if we want to remove the i686 target for good.
26 lines
1.2 KiB
Bash
Executable File
26 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
script_path=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
|
|
cd "$script_path/.." || exit 1
|
|
|
|
# The __cxa_guard_* calls are generated for (non trivial) initialization of local static objects.
|
|
# These symbols are OK to use within serenity code, but they are problematic in LibC because their
|
|
# existence breaks ports (the implementation of these symbols resides in libstdc++.a which we do not link against in ports).
|
|
# To eliminate the need for these symbols, avoid doing non-trivial construction of local statics in LibC.
|
|
|
|
FORBIDDEN_SYMBOLS="__cxa_guard_acquire __cxa_guard_release"
|
|
TARGET="${SERENITY_ARCH:-"x86_64"}"
|
|
LIBC_PATH="Build/${TARGET}/Userland/Libraries/LibC/libc.a"
|
|
for forbidden_symbol in $FORBIDDEN_SYMBOLS; do
|
|
# check if there's an undefined reference to the symbol & it is not defined anywhere else in the library
|
|
nm "$LIBC_PATH" | grep "U $forbidden_symbol"
|
|
APPEARS_AS_UNDEFINED=$?
|
|
nm "$LIBC_PATH" | grep "T $forbidden_symbol"
|
|
APPEARS_AS_DEFINED=$?
|
|
if [ $APPEARS_AS_UNDEFINED -eq 0 ] && [ ! $APPEARS_AS_DEFINED -eq 0 ]; then
|
|
echo "Forbidden undefined symbol in LibC: $forbidden_symbol"
|
|
echo "See comment in Meta/check-symbols.sh for more info"
|
|
exit 1
|
|
fi
|
|
done
|