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An experimental project to port Android Binder IPC subsystem to Ubuntu Linux.
OS: Manjaro Linux
Kernel version: 4.19.60
I copy binder.c/h, binder_alloc.c/h in linux 4.19.60 source code and overwrite binder.c/h in this projcet. Then I enter driver/binder folder and execute make
command like following:
$ uname -r
4.19.60-1-MANJARO
$ cd driver/binder
$ make
make -C /lib/modules/4.19.60-1-MANJARO/build V=0 M=$PWD
make[1]: 进入目录“/usr/lib/modules/4.19.60-1-MANJARO/build”
Building modules, stage 2.
MODPOST 1 modules
WARNING: "binder_alloc_free_buf" [/home/xx/code/binder-for-linux-master/driver/binder/binder_linux.ko] undefined!
WARNING: "binder_alloc_prepare_to_free" [/home/xx/code/binder-for-linux-master/driver/binder/binder_linux.ko] undefined!
WARNING: "binder_alloc_get_allocated_count" [/home/xx/code/binder-for-linux-master/driver/binder/binder_linux.ko] undefined!
WARNING: "binder_alloc_new_buf" [/home/xx/code/binder-for-linux-master/driver/binder/binder_linux.ko] undefined!
WARNING: "binder_alloc_print_pages" [/home/xx/code/binder-for-linux-master/driver/binder/binder_linux.ko] undefined!
WARNING: "binder_alloc_vma_close" [/home/xx/code/binder-for-linux-master/driver/binder/binder_linux.ko] undefined!
WARNING: "binder_alloc_mmap_handler" [/home/xx/code/binder-for-linux-master/driver/binder/binder_linux.ko] undefined!
WARNING: "binder_alloc_shrinker_init" [/home/xx/code/binder-for-linux-master/driver/binder/binder_linux.ko] undefined!
WARNING: "binder_alloc_print_allocated" [/home/xx/code/binder-for-linux-master/driver/binder/binder_linux.ko] undefined!
WARNING: "binder_alloc_init" [/home/xx/code/binder-for-linux-master/driver/binder/binder_linux.ko] undefined!
WARNING: "binder_alloc_deferred_release" [/home/xx/code/binder-for-linux-master/driver/binder/binder_linux.ko] undefined!
make[1]: 离开目录“/usr/lib/modules/4.19.60-1-MANJARO/build”
$ sudo insmod binder_linux.ko
insmod: ERROR: could not insert module binder_linux.ko: Unknown symbol in module
$
following is systemd/journal
output:
kernel: binder_linux: Unknown symbol binder_alloc_deferred_release (err -2)
kernel: binder_linux: Unknown symbol binder_alloc_init (err -2)
kernel: binder_linux: Unknown symbol binder_alloc_print_allocated (err -2)
kernel: binder_linux: Unknown symbol binder_alloc_shrinker_init (err -2)
kernel: binder_linux: Unknown symbol binder_alloc_mmap_handler (err -2)
kernel: binder_linux: Unknown symbol binder_alloc_vma_close (err -2)
kernel: binder_linux: Unknown symbol binder_alloc_print_pages (err -2)
kernel: binder_linux: Unknown symbol binder_alloc_new_buf (err -2)
kernel: binder_linux: Unknown symbol binder_alloc_get_allocated_count (err -2)
kernel: binder_linux: Unknown symbol binder_alloc_prepare_to_free (err -2)
kernel: binder_linux: Unknown symbol binder_alloc_free_buf (err -2)
How to solve this unknown symbol problem?
OS: Ubuntu 20.04 LTS
Shell: I've tried both BASH and ZSH, with the same results
The Error: When I try to ./project.sh makeall, I get this:
make[1]: Entering directory '/usr/src/linux-headers-5.4.0-42-generic'
AR /home/ma-ika/binder-for-linux/driver/binder/built-in.a
CC [M] /home/ma-ika/binder-for-linux/driver/binder/deps.o
/home/ma-ika/binder-for-linux/driver/binder/deps.c:32:6: error: conflicting types for ‘zap_page_range’
32 | void zap_page_range(struct vm_area_struct *vma, unsigned long address, unsigned long size, struct zap_details *details)
| ^~~~~~~~~~~~~~
In file included from /home/ma-ika/binder-for-linux/driver/binder/deps.c:5:
./include/linux/mm.h:1457:6: note: previous declaration of ‘zap_page_range’ was here
1457 | void zap_page_range(struct vm_area_struct *vma, unsigned long address,
| ^~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:275: /home/ma-ika/binder-for-linux/driver/binder/deps.o] Error 1
make[1]: *** [Makefile:1731: /home/ma-ika/binder-for-linux/driver/binder] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-5.4.0-42-generic'
make: *** [Makefile:15: all] Error 2
make -C /lib/modules/5.4.0-42-generic/build V=0 M=$PWD
make[1]: Entering directory '/usr/src/linux-headers-5.4.0-42-generic'
AR /home/ma-ika/binder-for-linux/driver/ashmem/built-in.a
CC [M] /home/ma-ika/binder-for-linux/driver/ashmem/deps.o
CC [M] /home/ma-ika/binder-for-linux/driver/ashmem/ashmem.o
In file included from ./include/linux/export.h:42,
from ./include/linux/linkage.h:7,
from ./include/linux/kernel.h:8,
from ./include/linux/list.h:9,
from ./include/linux/module.h:9,
from /home/ma-ika/binder-for-linux/driver/ashmem/ashmem.c:21:
/home/ma-ika/binder-for-linux/driver/ashmem/ashmem.c: In function ‘ashmem_mmap’:
/home/ma-ika/binder-for-linux/driver/ashmem/ashmem.c:375:33: error: too few arguments to function ‘calc_vm_prot_bits’
375 | if (unlikely((vma->vm_flags & ~calc_vm_prot_bits(asma->prot_mask)) &
| ^~~~~~~~~~~~~~~~~
./include/linux/compiler.h:78:42: note: in definition of macro ‘unlikely’
78 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
In file included from /home/ma-ika/binder-for-linux/driver/ashmem/ashmem.c:28:
./include/linux/mman.h:117:1: note: declared here
117 | calc_vm_prot_bits(unsigned long prot, unsigned long pkey)
| ^~~~~~~~~~~~~~~~~
In file included from ./include/linux/export.h:42,
from ./include/linux/linkage.h:7,
from ./include/linux/kernel.h:8,
from ./include/linux/list.h:9,
from ./include/linux/module.h:9,
from /home/ma-ika/binder-for-linux/driver/ashmem/ashmem.c:21:
/home/ma-ika/binder-for-linux/driver/ashmem/ashmem.c:376:8: error: too few arguments to function ‘calc_vm_prot_bits’
376 | calc_vm_prot_bits(PROT_MASK))) {
| ^~~~~~~~~~~~~~~~~
./include/linux/compiler.h:78:42: note: in definition of macro ‘unlikely’
78 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
In file included from /home/ma-ika/binder-for-linux/driver/ashmem/ashmem.c:28:
./include/linux/mman.h:117:1: note: declared here
117 | calc_vm_prot_bits(unsigned long prot, unsigned long pkey)
| ^~~~~~~~~~~~~~~~~
/home/ma-ika/binder-for-linux/driver/ashmem/ashmem.c: In function ‘ashmem_exit’:
/home/ma-ika/binder-for-linux/driver/ashmem/ashmem.c:870:6: error: void value not ignored as it ought to be
870 | ret = misc_deregister(&ashmem_misc);
| ^
make[2]: *** [scripts/Makefile.build:275: /home/ma-ika/binder-for-linux/driver/ashmem/ashmem.o] Error 1
make[1]: *** [Makefile:1731: /home/ma-ika/binder-for-linux/driver/ashmem] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-5.4.0-42-generic'
make: *** [Makefile:15: all] Error 2
make: Nothing to be done for 'all'.
gcc -I.. -Iinclude -DHAVE_PTHREADS -DHAVE_SYS_UIO_H -DHAVE_ENDIAN_H -DHAVE_ANDROID_OS=1 -std=c++11 -c -o utils/BlobCache.o utils/BlobCache.cpp
In file included from include/utils/SortedVector.h:26,
from include/utils/BlobCache.h:24,
from utils/BlobCache.cpp:24:
include/utils/Vector.h: In member function ‘const android::Vector<T>& android::Vector<TYPE>::operator=(const android::Vector<TYPE>&) const’:
include/utils/Vector.h:251:64: error: cannot convert ‘const android::Vector<TYPE>*’ to ‘android::VectorImpl*’
251 | VectorImpl::operator = (static_cast<const VectorImpl&>(rhs));
| ^
In file included from include/utils/Vector.h:26,
from include/utils/SortedVector.h:26,
from include/utils/BlobCache.h:24,
from utils/BlobCache.cpp:24:
include/utils/VectorImpl.h:56:59: note: initializing argument 'this' of ‘android::VectorImpl& android::VectorImpl::operator=(const android::VectorImpl&)’
56 | VectorImpl& operator = (const VectorImpl& rhs);
| ~~~~~~~~~~~~~~~~~~^~~
make: *** [Makefile:16: utils/BlobCache.o] Error 1
g++ -std=c++11 -o binderAddInts -I../libs/include -I.. -L../libs -DHAVE_PTHREADS -DHAVE_SYS_UIO_H -DHAVE_ENDIAN_H -DHAVE_ANDROID_OS=1 binderAddInts.cpp testUtil.c -lpthread -lbinder
In file included from ../libs/include/binder/Parcel.h:24,
from ../libs/include/binder/IPCThreadState.h:21,
from binderAddInts.cpp:49:
../libs/include/utils/Vector.h: In member function ‘const android::Vector<T>& android::Vector<TYPE>::operator=(const android::Vector<TYPE>&) const’:
../libs/include/utils/Vector.h:251:64: error: cannot convert ‘const android::Vector<TYPE>*’ to ‘android::VectorImpl*’
251 | VectorImpl::operator = (static_cast<const VectorImpl&>(rhs));
| ^
In file included from ../libs/include/utils/Vector.h:26,
from ../libs/include/binder/Parcel.h:24,
from ../libs/include/binder/IPCThreadState.h:21,
from binderAddInts.cpp:49:
../libs/include/utils/VectorImpl.h:56:59: note: initializing argument 'this' of ‘android::VectorImpl& android::VectorImpl::operator=(const android::VectorImpl&)’
56 | VectorImpl& operator = (const VectorImpl& rhs);
| ~~~~~~~~~~~~~~~~~~^~~
make: *** [Makefile:4: binderAddInts] Error 1
I then can't ./project.sh insmod or do anything else with binder.
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