相信有很多人用 SourceInsight 查看 Linux Kernel 源碼,但導入源碼時會遇到一些問題。
1、如果把整個源碼樹都導入進去,查看符號定義的時候,會發現有大量重復定義,很難找到正確的位置
2、如果手動導入只和該硬件平台相關的源碼,工作量太大
本帖提供了一個方法,可用腳本生成只和該硬件平台相關的源碼的文件列表,然后通過該文件列表,將相應文件導入 SourceInsight 。
以下是步驟,共4步:
1、新建 SourceInsight 項目
先不要導入文件,停在如下界面:
2、完整編譯內核,將編譯時輸出的信息保存到一個文件中
例如:
- make ARCH=arm > build_log.txt
build_log.txt 文件中內容大致如下:
- CC init/main.o
- CHK include/generated/compile.h
- CC init/do_mounts.o
- HOSTCC usr/gen_init_cpio
- CC arch/arm/vfp/vfpmodule.o
- CC arch/arm/kernel/elf.o
- AS arch/arm/kernel/entry-armv.o
- AS arch/arm/vfp/entry.o
- AS arch/arm/kernel/entry-common.o
- CC arch/arm/kernel/irq.o
- AS arch/arm/vfp/vfphw.o
- GEN usr/initramfs_data.cpio
- CC arch/arm/kernel/opcodes.o
3、生成文件列表
下載 帖子 最后面的附件,解壓后是 linux shell 腳本。
編輯腳本兩個變量,ARCH 和 MACH,MACH是平台的名字。如果你用的平台對應 arch/arm/mach-at91 的話,就改成 MACH=at91,以此類推。
在內核源碼目錄下執行:
- ./sg.sh build_log.txt file_list.txt
這樣,SourceInsight 需要的 文件列表 file_list.txt 就生成了。里面的內容大致如下:
4、導入文件列表
回到 SourceInsight,點擊窗口右下角 help 按鈕上方的 “add from list” 按鈕導入生成的 file_list.txt 文件。
到此為止,文件導入完成了。重新打開工程,會提示同步、構建,之后就可以正常的查看源碼了。
這樣導入的文件和硬件平台是完全對應的。
下面是本帖的核心,就是這個腳本,有興趣的可以看看:
- #!/bin/sh
- ARCH=arm
- MACH=at91
- FILE_IN=$1
- FILE_OUT=$2
- # .c
- SOURCE_LIST=""
- # generated file list
- FILE_LIST=""
- # nest depth for function get_includes()
- NEST_DTPTH=0
- # recursive function, used to get included files from files.
- # result is stored in FILE_LIST
- # $1 : file list, e.g. "fs/ext4/file.c fs/ext4/fsync.c"
- get_includes()
- {
- local includes
- local file
- for file in $1
- do
- if [ ! -e ${file} ]; then
- continue
- fi
- if echo "${FILE_LIST}" | grep -E ${file} > /dev/null; then
- continue
- fi
- FILE_LIST="${FILE_LIST} ${file}"
- NEST_DTPTH=$((NEST_DTPTH+1))
- echo "<${NEST_DTPTH} : ${file}"
- includes=$( \
- grep -E -H '^#include' ${file} | \
- sed -r \
- -e 's@^.*<(acpi/.*)>@include/\1@' \
- -e 's@^.*<(asm-generic/.*)>@include/\1@'\
- -e 's@^.*<(config/.*)>@include/\1@' \
- -e 's@^.*<(crypto/.*)>@include/\1@' \
- -e 's@^.*<(drm/.*)>@include/\1@' \
- -e 's@^.*<(generated/.*)>@include/\1@' \
- -e 's@^.*<(keys/.*)>@include/\1@' \
- -e 's@^.*<(linux/.*)>@include/\1@' \
- -e 's@^.*<(math-emu/.*)>@include/\1@' \
- -e 's@^.*<(media/.*)>@include/\1@' \
- -e 's@^.*<(misc/.*)>@include/\1@' \
- -e 's@^.*<(mtd/.*)>@include/\1@' \
- -e 's@^.*<(net/.*)>@include/\1@' \
- -e 's@^.*<(pcmcia/.*)>@include/\1@' \
- -e 's@^.*<(rdma/.*)>@include/\1@' \
- -e 's@^.*<(rxrpc/.*)>@include/\1@' \
- -e 's@^.*<(scsi/.*)>@include/\1@' \
- -e 's@^.*<(sound/.*)>@include/\1@' \
- -e 's@^.*<(target/.*)>@include/\1@' \
- -e 's@^.*<(trace/.*)>@include/\1@' \
- -e 's@^.*<(uapi/.*)>@include/\1@' \
- -e 's@^.*<(video/.*)>@include/\1@' \
- -e 's@^.*<(xen/.*)>@include/\1@' \
- -e "s@^.*<(asm/.*)>@arch/${ARCH}/include/\1 arch/${ARCH}/include/generated/\1@" \
- -e "s@^.*<(mach/.*)>@arch/${ARCH}/mach-${MACH}/include/\1@" \
- -e 's@(^.*/)[^/]+\.c.*\"(.*)\"@\1\2@' \
- -e 's@/\*.*@@' \
- -e 's@^.*\#include.*$@@' \
- -e 's@^@ @' | \
- sort | \
- uniq | \
- tr -d '\n' | \
- tr -d '\r' \
- )
- if [ -n "${includes}" ]; then
- get_includes "${includes}"
- fi
- echo ">${NEST_DTPTH}) : ${file}"
- NEST_DTPTH=$((NEST_DTPTH-1))
- done
- }
- # get *.c from kernel build log
- SOURCE_LIST=$( \
- grep -E '^\s*CC' ${FILE_IN} | \
- sed -r \
- -e 's/^\s*CC\s*/ /' \
- -e 's/\.o/\.c/' | \
- tr -d '\n' | \
- tr -d '\r' \
- )
- echo ${SOURCE_LIST}
- get_includes "${SOURCE_LIST}"
- FILE_LIST=$(echo "${FILE_LIST}" | sed -r -e 's/\s/\r\n/g' )
- echo "${FILE_LIST}" > ${FILE_OUT}