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Jenkins: Patch fat Mach-O header on MoltenVK as well

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This commit is contained in:
RichardG867
2022-08-31 17:07:15 -03:00
parent eb185a43c2
commit cd3497383b
1 changed files with 34 additions and 4 deletions
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38
.ci/build.sh
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@@ -872,11 +872,41 @@ then
then
find archive_tmp -type f | while IFS= read line
do
# Act only on 64-bit Mach-Os (0xFEEDFACF) for CPU type x86_64 (0x01000007).
if [ "$(dd if="$line" bs=1 count=8 status=none)" = "$(printf '\xCF\xFA\xED\xFE\x07\x00\x00\x01')" ]
# Parse and patch a fat header (0xCAFEBABE, big endian) first.
macho_offset=0
if [ "$(dd if="$line" bs=1 count=4 status=none)" = "$(printf '\xCA\xFE\xBA\xBE')" ]
then
# Change CPU subtype from ALL (0x00000003) to H (0x00000008).
printf '\x08\x00\x00\x00' | dd of="$line" bs=1 seek=8 count=4 conv=notrunc status=none
# Get the number of fat architectures.
fat_archs=$(($(dd if="$line" bs=1 skip=4 count=4 status=none | rev | tr -d '\n' | od -An -vtu4)))
# Go through fat architectures.
fat_offset=8
for fat_arch in $(seq 1 $fat_archs)
do
# Check CPU type.
if [ "$(dd if="$line" bs=1 skip=$fat_offset count=4 status=none)" = "$(printf '\x01\x00\x00\x07')" ]
then
# Change CPU subtype in the fat header from ALL (0x00000003) to H (0x00000008).
printf '\x00\x00\x00\x08' | dd of="$line" bs=1 seek=$((fat_offset + 4)) count=4 conv=notrunc status=none
# Save offset for this architecture's Mach-O header.
macho_offset=$(($(dd if="$line" bs=1 skip=$((fat_offset + 8)) count=4 status=none | rev | tr -d '\n' | od -An -vtu4)))
# Stop looking for the x86_64 slice.
break
fi
# Move on to the next architecture.
fat_offset=$((fat_offset + 20))
done
fi
# Now patch a 64-bit Mach-O header (0xFEEDFACF, little endian), either at
# the beginning or as a sub-header within a fat binary as parsed above.
if [ "$(dd if="$line" bs=1 seek=$macho_offset count=8 status=none)" = "$(printf '\xCF\xFA\xED\xFE\x07\x00\x00\x01')" ]
then
# Change CPU subtype in the Mach-O header from ALL (0x00000003) to H (0x00000008).
printf '\x08\x00\x00\x00' | dd of="$line" bs=1 seek=$((macho_offset + 8)) count=4 conv=notrunc status=none
fi
done
fi