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added script-writing script

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This commit is contained in:
paul-naert 2018-05-25 15:30:22 -07:00
parent 08903954e1
commit 607e015579
2 changed files with 128 additions and 1 deletions
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2
examples/linux-kernel/bash_profile
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@ -8,5 +8,5 @@ export GOPATH=/vagrant/go
export LLVM_COMPILER=clang
export WLLVM_OUTPUT_LEVEL=WARNING
export WLLVM_OUTPUT_FILE=/vagrant/wrapper.log
export WLLVM_OUTPUT_FILE=/vagrant/wrapper-logs/wrapper.log
export PATH=${GOPATH}/bin:${LLVM_HOME}/bin:${PATH}

127
examples/linux-kernel/built-in-parsing.py Normal file
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@ -0,0 +1,127 @@
## trying to get the whole parsing of any config
import sys,os
import subprocess
excluded_dirs=[]
if len(sys.argv) > 2:
excluded_dirs=sys.argv[2:]
script_out= sys.argv[1]
excluded=[path.split('/') for path in excluded_dirs]
builtin0 = open("arbi",'r')
out = open(script_out,"w+")
link_args = open("/home/vagrant/standalone-build/link-args","w+")
out.writelines("export build_home=/home/vagrant/standalone-build\n")
standalone_objects = ["arch/x86/kernel/head_64.o","arch/x86/kernel/head64.o","arch/x86/kernel/ebda.o","arch/x86/kernel/platform-quirks.o"]#,"usr/initramfs_data.o"]
archbi=["lib","pci","video","power"]
def write_script(builtin, excluded_paths, depth, base_dir):
out.writelines("mkdir -p $build_home/built-ins/"+base_dir+" \n")
directories=[]
for line in builtin.readlines():
line=line.split('\n')[0]
words=line.split('/')
if words[0]=="arch":
words[0]=words[0]+'/'+words[1]
if words[2] in archbi:
words[0]=words[0]+'/'+words[2]
if words[depth] not in directories and line not in standalone_objects:
directories.append(words[depth])
roots = [path[depth] for path in excluded_paths]
for direc in directories:
print base_dir+direc
if direc in roots:
if base_dir+direc in excluded_dirs:
out.writelines("convert-thin-archive.sh "+base_dir+direc+"/built-in.o \n")
out.writelines("cp "+ base_dir +direc+"/built-in.o.new $build_home/built-ins/"+base_dir+direc+"bi.o \n \n")
link_args.writelines("built-ins/"+base_dir + direc +"bi.o ")
else:
direc_roots = [path for path in excluded_paths if (path[depth]==direc and len(path)>depth+1) ]
if direc_roots:
arbi=open(base_dir+direc+"/arbi","w+")
subprocess.call(["ar", "-t", base_dir+direc+"/built-in.o"],stdout=arbi )
arbi.close()
x_builtin = open(base_dir+direc+"/arbi","r")
write_script(x_builtin,direc_roots,depth+1,base_dir+direc+"/")
else:
if direc[-2:] == ".o":
out.writelines("get-bc -b "+base_dir+direc+"\n")
out.writelines("mkdir -p $build_home/built-ins/"+base_dir+"objects \n")
out.writelines("cp "+ base_dir+direc+".bc $build_home/built-ins/"+base_dir+"objects \n")
out.writelines("clang -c -no-integrated-as -mcmodel=kernel -o $build_home/built-ins/"+base_dir+ direc + " $build_home/built-ins/"+base_dir+"objects/" + direc+".bc \n \n")
link_args.writelines("built-ins/"+base_dir + direc +" ")
else:
if os.path.isfile("/home/vagrant/standalone-build/gllvm.log"):
#direc_no_slash=direc.split('/')[0]
#os.rename("/home/vagrant/standalone-build/gllvm.log","/home/vagrant/standalone-build/gllvm"+direc_no_slash+".log")
os.remove("/home/vagrant/standalone-build/gllvm.log")
path = base_dir + direc +"/built-in.o"
subprocess.call(["get-bc", "-b", path ])
if not os.path.isfile("/home/vagrant/standalone-build/gllvm.log"): subprocess.call(["touch","/home/vagrant/standalone-build/gllvm.log"])
llvm_log=open("/home/vagrant/standalone-build/gllvm.log","r")
assembly_objects=[]
for line in llvm_log.readlines():
if len(line)>=54 and line[:54]=="WARNING:Error reading the .llvm_bc section of ELF file":
assembly_objects.append(line[55:-2])
if assembly_objects:
out.writelines("mkdir -p $build_home/built-ins/" + base_dir +direc+"\n")
for asf in assembly_objects:
out.writelines("cp "+ asf + " $build_home/built-ins/" + base_dir +direc +"\n")
filename= asf.split('/')[-1]
link_args.writelines("built-ins/"+base_dir + direc +'/'+filename+" ")
#out.writelines("convert-thin-archive.sh "+base_dir + direc +"/built-in.o \n")
#out.writelines("get-bc -b "+ base_dir + direc +"/built-in.o \n")
if os.path.isfile(base_dir + direc +"/built-in.o.a.bc"):
out.writelines("cp "+ base_dir + direc +"/built-in.o.a.bc $build_home/built-ins/"+ base_dir + direc+"bi.o.bc \n")
out.writelines("clang -c -no-integrated-as -mcmodel=kernel -o $build_home/built-ins/"+ base_dir + direc + "bibc.o $build_home/built-ins/" + base_dir+direc+"bi.o.bc \n \n")
link_args.writelines("built-ins/"+base_dir + direc +"bibc.o ")
builtin.close()
write_script(builtin0,excluded,0,"")
out.writelines("get-bc -b $build_home/lib/lib.a \n ")
out.writelines("cp lib/lib.a.bc $build_home/lib \n")
out.writelines("clang -c -no-integrated-as -mcmodel=kernel -o $build_home/lib/lib.a.o $build_home/lib/lib.a.bc \n")
if os.path.isfile("/home/vagrant/standalone-build/gllvm.log"):
#direc_no_slash=direc.split('/')[0]
#os.rename("/home/vagrant/standalone-build/gllvm.log","/home/vagrant/standalone-build/gllvm"+direc_no_slash+".log")
os.remove("/home/vagrant/standalone-build/gllvm.log")
subprocess.call(["get-bc", "-b", "arch/x86/lib/lib.a" ])
subprocess.call(["touch","/home/vagrant/standalone-build/gllvm.log"])
llvm_log=open("/home/vagrant/standalone-build/gllvm.log","r")
assembly_objects=[]
for line in llvm_log.readlines():
if len(line)>=54 and line[:54]=="WARNING:Error reading the .llvm_bc section of ELF file":
assembly_objects.append(line[55:-2])
if assembly_objects:
out.writelines("mkdir -p $build_home/arch/x86/lib/objects \n")
for asf in assembly_objects:
out.writelines("cp "+ asf + " $build_home/arch/x86/lib/objects/ \n")
filename= asf.split('/')[-1]
#link_args.writelines("arch/x86/lib/objects/" +filename+" ")
out.writelines("cp arch/x86/lib/lib.a.bc $build_home/arch/x86/lib/lib.a.bc \n")
out.writelines("clang -c -no-integrated-as -mcmodel=kernel -o $build_home/arch/x86/lib/lib.a.o $build_home/arch/x86/lib/lib.a.bc \n \n")
out.writelines("cp arch/x86/kernel/vmlinux.lds $build_home \n")
out.writelines("cp .tmp_kallsyms2.o $build_home \n")
for sto in standalone_objects:
out.writelines("cp --parents "+ sto+" $build_home \n")
out.writelines("\n#linking command \n")
out.writelines("cd $build_home \n")
out.writelines("ld --build-id -T vmlinux.lds --whole-archive ")
for sto in standalone_objects:
out.writelines(sto+" ")
out.writelines("\@link-args ")
out.writelines("--no-whole-archive --start-group lib/lib.a.o arch/x86/lib/lib.a.o arch/x86/lib/objects/* .tmp_kallsyms2.o --end-group -o vmlinux")