mirror of
https://github.com/dynup/kpatch
synced 2024-12-22 05:10:01 +00:00
88 lines
1.8 KiB
Bash
Executable File
88 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
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if [[ ${KPATCH_GCC_DEBUG:-0} -ne 0 ]]; then
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set -o xtrace
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fi
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TOOLCHAINCMD="$1"
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shift
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if [[ -z "$KPATCH_GCC_TEMPDIR" ]]; then
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exec "$TOOLCHAINCMD" "$@"
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fi
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declare -a args=("$@")
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if [[ "$TOOLCHAINCMD" = "gcc" ]] ; then
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while [ "$#" -gt 0 ]; do
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if [ "$1" = "-o" ]; then
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obj="$2"
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# skip copying the temporary .o files created by
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# recordmcount.pl
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[[ "$obj" = */.tmp_mc_*.o ]] && break;
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[[ "$obj" = */.tmp_*.o ]] && obj="${obj/.tmp_/}"
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relobj=${obj//$KPATCH_GCC_SRCDIR\//}
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case "$obj" in
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*.mod.o|\
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*built-in.o|\
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*built-in.a|\
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vmlinux.o|\
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.tmp_kallsyms1.o|\
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.tmp_kallsyms2.o|\
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init/version.o|\
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arch/x86/boot/version.o|\
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arch/x86/boot/compressed/eboot.o|\
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arch/x86/boot/header.o|\
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arch/x86/boot/compressed/efi_stub_64.o|\
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arch/x86/boot/compressed/piggy.o|\
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kernel/system_certificates.o|\
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arch/x86/vdso/*|\
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arch/x86/entry/vdso/*|\
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drivers/firmware/efi/libstub/*|\
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arch/powerpc/kernel/prom_init.o|\
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lib/*|\
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.*.o|\
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*/.lib_exports.o)
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break
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;;
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*.o)
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mkdir -p "$KPATCH_GCC_TEMPDIR/orig/$(dirname "$relobj")"
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[[ -e "$obj" ]] && cp -f "$obj" "$KPATCH_GCC_TEMPDIR/orig/$relobj"
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echo "$relobj" >> "$KPATCH_GCC_TEMPDIR/changed_objs"
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break
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;;
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*)
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break
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;;
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esac
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fi
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shift
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done
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elif [[ "$TOOLCHAINCMD" = "ld" ]] ; then
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while [ "$#" -gt 0 ]; do
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if [ "$1" = "-o" ]; then
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obj="$2"
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relobj=${obj//$KPATCH_GCC_SRCDIR\//}
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case "$obj" in
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*.ko)
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mkdir -p "$KPATCH_GCC_TEMPDIR/module/$(dirname "$relobj")"
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cp -f "$obj" "$KPATCH_GCC_TEMPDIR/module/$relobj"
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break
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;;
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.tmp_vmlinux*|vmlinux)
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args+=(--warn-unresolved-symbols)
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break
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;;
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*)
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break
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;;
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esac
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fi
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shift
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done
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fi
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exec "$TOOLCHAINCMD" "${args[@]}"
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