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Slight script cleanup; make gensyscalls work from any directory.

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Also remove a ton of dead code.

Change-Id: I1315623695a004f643b155f121cbafe24b715b8a
This commit is contained in:
Elliott Hughes
2013-06-17 10:26:10 -07:00
parent 560e9f7e7a
commit 18bc975bfe
3 changed files with 16 additions and 264 deletions
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42
libc/tools/gensyscalls.py
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@@ -10,17 +10,7 @@ import getpass
from bionic_utils import *
# get the root Bionic directory, simply this script's dirname
#
bionic_root = find_bionic_root()
if not bionic_root:
print "could not find the Bionic root directory. aborting"
sys.exit(1)
if bionic_root[-1] != '/':
bionic_root += "/"
print "bionic_root is %s" % bionic_root
bionic_libc_root = os.environ["ANDROID_BUILD_TOP"] + "/bionic/libc/"
# temp directory where we store all intermediate files
bionic_temp = "/tmp/bionic_gensyscalls/"
@@ -334,11 +324,11 @@ class State:
glibc_fp.write("#define _BIONIC_GLIBC_SYSCALLS_H_\n")
glibc_fp.write("#if defined(__arm__)\n")
self.scan_linux_unistd_h(glibc_fp, "libc/kernel/arch-arm/asm/unistd.h")
self.scan_linux_unistd_h(glibc_fp, bionic_libc_root + "/kernel/arch-arm/asm/unistd.h")
glibc_fp.write("#elif defined(__mips__)\n")
self.scan_linux_unistd_h(glibc_fp, "libc/kernel/arch-mips/asm/unistd.h")
self.scan_linux_unistd_h(glibc_fp, bionic_libc_root + "/kernel/arch-mips/asm/unistd.h")
glibc_fp.write("#elif defined(__i386__)\n")
self.scan_linux_unistd_h(glibc_fp, "libc/kernel/arch-x86/asm/unistd_32.h")
self.scan_linux_unistd_h(glibc_fp, bionic_libc_root + "/kernel/arch-x86/asm/unistd_32.h")
glibc_fp.write("#endif\n")
glibc_fp.write("#endif /* _BIONIC_GLIBC_SYSCALLS_H_ */\n")
@@ -397,14 +387,14 @@ class State:
def regenerate(self):
D( "scanning for existing architecture-specific stub files" )
bionic_root_len = len(bionic_root)
bionic_libc_root_len = len(bionic_libc_root)
for arch in all_archs:
arch_path = bionic_root + "arch-" + arch
arch_path = bionic_libc_root + "arch-" + arch
D( "scanning " + arch_path )
files = glob.glob( arch_path + "/syscalls/*.S" )
for f in files:
self.old_stubs.append( f[bionic_root_len:] )
self.old_stubs.append( f[bionic_libc_root_len:] )
D( "found %d stub files" % len(self.old_stubs) )
@@ -424,13 +414,13 @@ class State:
edits = []
for stub in self.new_stubs + self.other_files:
if not os.path.exists( bionic_root + stub ):
if not os.path.exists( bionic_libc_root + stub ):
# new file, git add it
D( "new file: " + stub)
adds.append( bionic_root + stub )
shutil.copyfile( bionic_temp + stub, bionic_root + stub )
adds.append( bionic_libc_root + stub )
shutil.copyfile( bionic_temp + stub, bionic_libc_root + stub )
elif not filecmp.cmp( bionic_temp + stub, bionic_root + stub ):
elif not filecmp.cmp( bionic_temp + stub, bionic_libc_root + stub ):
D( "changed file: " + stub)
edits.append( stub )
@@ -438,7 +428,7 @@ class State:
for stub in self.old_stubs:
if not stub in self.new_stubs:
D( "deleted file: " + stub)
deletes.append( bionic_root + stub )
deletes.append( bionic_libc_root + stub )
if adds:
@@ -447,11 +437,11 @@ class State:
commands.getoutput("git rm " + " ".join(deletes))
if edits:
for file in edits:
shutil.copyfile( bionic_temp + file, bionic_root + file )
shutil.copyfile( bionic_temp + file, bionic_libc_root + file )
commands.getoutput("git add " +
" ".join((bionic_root + file) for file in edits))
" ".join((bionic_libc_root + file) for file in edits))
commands.getoutput("git add %s%s" % (bionic_root,"SYSCALLS.TXT"))
commands.getoutput("git add %s%s" % (bionic_libc_root,"SYSCALLS.TXT"))
if (not adds) and (not deletes) and (not edits):
D("no changes detected!")
@@ -461,5 +451,5 @@ class State:
D_setlevel(1)
state = State()
state.process_file(bionic_root+"SYSCALLS.TXT")
state.process_file(bionic_libc_root+"SYSCALLS.TXT")
state.regenerate()