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[Qemu-devel] [Bug 1791796] Re: [RFC PATCH 2/4] docker: add buildroot-nio

From: Philippe Mathieu-Daudé
Subject: [Qemu-devel] [Bug 1791796] Re: [RFC PATCH 2/4] docker: add buildroot-nios2-cross image
Date: Sun, 30 Sep 2018 23:22:41 -0000 
Hi Alex,

On 9/11/18 4:06 PM, Alex Bennée wrote:
> Build a buildroot toolchain for the nios2 target.
> 
> Signed-off-by: Alex Bennée <address@hidden>
> ---
>  tests/docker/Makefile.include                         |  4 ++++
>  tests/docker/dockerfiles/buildroot-nios2-cross.docker | 10 ++++++++++
>  2 files changed, 14 insertions(+)
>  create mode 100644 tests/docker/dockerfiles/buildroot-nios2-cross.docker
> 
> diff --git a/tests/docker/Makefile.include b/tests/docker/Makefile.include
> index 74a82de48a..a8dfde8ed5 100644
> --- a/tests/docker/Makefile.include
> +++ b/tests/docker/Makefile.include
> @@ -120,6 +120,10 @@ docker-image-debian-riscv64-cross: 
> docker-image-debian-sid
>  docker-image-debian-powerpc-cross: docker-image-debian-sid
>  docker-image-travis: NOUSER=1
>  
> +# Buildroot base images
> +# These involve building the toolchains and can take some time
> +docker-image-buildroot-nios2-cross: docker-image-debian-buildroot-base
> +
>  # Specialist build images, sometimes very limited tools
>  docker-image-tricore-cross: docker-image-debian9
>  
> diff --git a/tests/docker/dockerfiles/buildroot-nios2-cross.docker 
> b/tests/docker/dockerfiles/buildroot-nios2-cross.docker
> new file mode 100644
> index 0000000000..e573f0fa55
> --- /dev/null
> +++ b/tests/docker/dockerfiles/buildroot-nios2-cross.docker
> @@ -0,0 +1,10 @@
> +#
> +# NIOS II toolchain
> +#
> +FROM qemu:debian-buildroot-base
> +
> +RUN cd /opt/buildroot-${BUILDROOT_VERSION} && make qemu_nios2_10m50_defconfig

Simply:

  RUN make -C /opt/buildroot-${BUILDROOT_VERSION}
qemu_nios2_10m50_defconfig

> +RUN cd /opt/buildroot-${BUILDROOT_VERSION} && make toolchain

   RUN make -C /opt/buildroot-${BUILDROOT_VERSION} toolchain

> +# The toolchain is in 
> /opt/buildroot-${BUILDROOT_VERSION}/output/host/bin/nios2-*
> +RUN ln -s /opt/buildroot-${BUILDROOT_VERSION}/output/host/bin/nios2-* 
> /usr/bin

Similarly:

   ENV PATH $PATH:/opt/buildroot-${BUILDROOT_VERSION}/output/host/bin

Once build this image takes a bit more than 3GB (this took me 30min to
build).

With changes:
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Tested-by: Philippe Mathieu-Daudé <address@hidden>

-- 
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https://bugs.launchpad.net/bugs/1791796

Title:
  unimplemented thread syscalls in nios2 user-mode emulation

Status in QEMU:
  New

Bug description:
  This bug is reported against the 3.0 release.

  I noticed that the GCC test gcc.dg/torture/tls/tls-test.c is failing
  when run in user-mode qemu for nios2 target.  The problem appears to
  be that the thread-related syscalls are unimplemented in qemu.  Here
  is output from running with -strace:

  22484 brk(NULL) = 0x00005000
  22484 uname(0x7fffef5a) = 0
  22484 faccessat(AT_FDCWD,"/etc/ld.so.preload",R_OK,0x5) = -1 errno=2 (No such 
file or directory)
  22484 
openat(AT_FDCWD,"/scratch/sandra/nios2-linux-trunk3/obj/test-2018.11-999999-nios2-linux-gnu/host-x86_64-linux-gnu/sourceryg++-2018.11/nios2-linux-gnu/libc/./lib/./tls/libm.so.6",O_RDONLY|O_LARGEFILE|O_CLOEXEC)
 = -1 errno=2 (No such file or directory)
  22484 
fstatat64(AT_FDCWD,"/scratch/sandra/nios2-linux-trunk3/obj/test-2018.11-999999-nios2-linux-gnu/host-x86_64-linux-gnu/sourceryg++-2018.11/nios2-linux-gnu/libc/./lib/./tls",0x7fffe870,0)
 = -1 errno=2 (No such file or directory)
  22484 
openat(AT_FDCWD,"/scratch/sandra/nios2-linux-trunk3/obj/test-2018.11-999999-nios2-linux-gnu/host-x86_64-linux-gnu/sourceryg++-2018.11/nios2-linux-gnu/libc/./lib/./libm.so.6",O_RDONLY|O_LARGEFILE|O_CLOEXEC)
 = 3
  22484 read(3,0x7fffe954,512) = 512
  22484 fstat64(3,0x7fffe870) = 0
  22484 mmap2(NULL,803596,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 
0x7f716000
  22484 
mmap2(0x7f7d8000,12288,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0xc1)
 = 0x7f7d8000
  22484 close(3) = 0
  22484 
openat(AT_FDCWD,"/scratch/sandra/nios2-linux-trunk3/obj/test-2018.11-999999-nios2-linux-gnu/host-x86_64-linux-gnu/sourceryg++-2018.11/nios2-linux-gnu/libc/./lib/./libpthread.so.0",O_RDONLY|O_LARGEFILE|O_CLOEXEC)
 = 3
  22484 read(3,0x7fffe948,512) = 512
  22484 mmap2(NULL,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS,-1,0) = 
0x7f714000
  22484 fstat64(3,0x7fffe864) = 0
  22484 mmap2(NULL,120700,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 
0x7f6f6000
  22484 mprotect(0x7f70e000,4096,PROT_NONE) = 0
  22484 
mmap2(0x7f70f000,12288,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x18)
 = 0x7f70f000
  22484 
mmap2(0x7f712000,6012,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,-1,0)
 = 0x7f712000
  22484 close(3) = 0
  22484 
openat(AT_FDCWD,"/scratch/sandra/nios2-linux-trunk3/obj/test-2018.11-999999-nios2-linux-gnu/host-x86_64-linux-gnu/sourceryg++-2018.11/nios2-linux-gnu/libc/./lib/./libc.so.6",O_RDONLY|O_LARGEFILE|O_CLOEXEC)
 = 3
  22484 read(3,0x7fffe93c,512) = 512
  22484 fstat64(3,0x7fffe858) = 0
  22484 mmap2(NULL,1491048,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 
0x7f589000
  22484 
mmap2(0x7f6de000,86016,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x154)
 = 0x7f6de000
  22484 
mmap2(0x7f6f3000,8296,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,-1,0)
 = 0x7f6f3000
  22484 close(3) = 0
  22484 mprotect(0x7f6de000,65536,PROT_READ) = 0
  22484 mprotect(0x7f70f000,8192,PROT_READ) = 0
  22484 mprotect(0x7f7d8000,4096,PROT_READ) = 0
  22484 mprotect(0x00003000,4096,PROT_READ) = 0
  22484 mprotect(0x7f7fc000,4096,PROT_READ) = 0
  22484 set_tid_address(2138131700,2147480980,2147480988,2147480988,87148,47) = 
22484
  22484 set_robust_list(2138131708,12,2147480988,0,87148,47) = -1 errno=38 
(Function not implemented)
  22484 rt_sigaction(32,0x7ffff36c,NULL) = 0
  22484 rt_sigaction(33,0x7ffff36c,NULL) = -1 errno=22 (Invalid argument)
  22484 rt_sigprocmask(SIG_UNBLOCK,0x7ffff4a8,NULL) = 0
  22484 getrlimit(3,2147480732,3,0,62512,47) = 0
  22484 mmap2(NULL,8392704,PROT_NONE,MAP_PRIVATE|MAP_ANONYMOUS|0x20000,-1,0) = 
0x7ed88000
  22484 mprotect(0x7ed89000,8388608,PROT_READ|PROT_WRITE) = 0
  22484 brk(NULL) = 0x00005000
  22484 brk(0x00026000) = 0x00026000
  22484 
clone(CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID,child_stack=0x7f588018,parent_tidptr=0x7f5884fc,tls=0x7f58f928,child_tidptr=0x7f5884fc)
 = 22503
  22484 io_setup(4001536,2136506392,2136507644,2136507644,2136537384,4100) = -1 
errno=38 (Function not implemented)
  22484 futex(0x7f5884fc,FUTEX_WAIT,22503,NULL,NULL,0)22484 
set_robust_list(2136507652,12,0,4100,2136508076,4100) = -1 errno=38 (Function 
not implemented)
  22484 madvise(2128117760,8372224,4,2136507672,528660,4100) = 0
  22484 exit(0)
   = 0
  22484 fstat64(1,0x7fffef48) = 0
  22484 write(1,0x51e8,42)FAIL: a= 10, thr_a = 10 Addr = 0x7f715120
   = 42
  22484 exit_group(1)
  address@hidden:/scratch/sandra/nios2-linux-trunk3$ 
  22484 mmap2(NULL,1491048,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 
0x7f589000
  22484 
mmap2(0x7f6de000,86016,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x154)
 = 0x7f6de000
  22484 
mmap2(0x7f6f3000,8296,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,-1,0)
 = 0x7f6f3000
  22484 close(3) = 0
  22484 mprotect(0x7f6de000,65536,PROT_READ) = 0
  22484 mprotect(0x7f70f000,8192,PROT_READ) = 0
  22484 mprotect(0x7f7d8000,4096,PROT_READ) = 0
  22484 mprotect(0x00003000,4096,PROT_READ) = 0
  22484 mprotect(0x7f7fc000,4096,PROT_READ) = 0
  22484 set_tid_address(2138131700,2147480980,2147480988,2147480988,87148,47) = 
22484
  22484 set_robust_list(2138131708,12,2147480988,0,87148,47) = -1 errno=38 
(Function not implemented)
  22484 rt_sigaction(32,0x7ffff36c,NULL) = 0
  22484 rt_sigaction(33,0x7ffff36c,NULL) = -1 errno=22 (Invalid argument)
  22484 rt_sigprocmask(SIG_UNBLOCK,0x7ffff4a8,NULL) = 0
  22484 getrlimit(3,2147480732,3,0,62512,47) = 0
  22484 mmap2(NULL,8392704,PROT_NONE,MAP_PRIVATE|MAP_ANONYMOUS|0x20000,-1,0) = 
0x7ed88000
  22484 mprotect(0x7ed89000,8388608,PROT_READ|PROT_WRITE) = 0
  22484 brk(NULL) = 0x00005000
  22484 brk(0x00026000) = 0x00026000
  22484 
clone(CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID,child_stack=0x7f588018,parent_tidptr=0x7f5884fc,tls=0x7f58f928,child_tidptr=0x7f5884fc)
 = 22503
  22484 io_setup(4001536,2136506392,2136507644,2136507644,2136537384,4100) = -1 
errno=38 (Function not implemented)
  22484 futex(0x7f5884fc,FUTEX_WAIT,22503,NULL,NULL,0)22484 
set_robust_list(2136507652,12,0,4100,2136508076,4100) = -1 errno=38 (Function 
not implemented)
  22484 madvise(2128117760,8372224,4,2136507672,528660,4100) = 0
  22484 exit(0)
   = 0
  22484 fstat64(1,0x7fffef48) = 0
  22484 write(1,0x51e8,42)FAIL: a= 10, thr_a = 10 Addr = 0x7f715120
   = 42
  22484 exit_group(1)
  address@hidden:/scratch/sandra/nios2-linux-trunk3$ 
  22484 mmap2(NULL,1491048,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 
0x7f589000
  22484 
mmap2(0x7f6de000,86016,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x154)
 = 0x7f6de000
  22484 
mmap2(0x7f6f3000,8296,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,-1,0)
 = 0x7f6f3000
  22484 close(3) = 0
  22484 mprotect(0x7f6de000,65536,PROT_READ) = 0
  22484 mprotect(0x7f70f000,8192,PROT_READ) = 0
  22484 mprotect(0x7f7d8000,4096,PROT_READ) = 0
  22484 mprotect(0x00003000,4096,PROT_READ) = 0
  22484 mprotect(0x7f7fc000,4096,PROT_READ) = 0
  22484 set_tid_address(2138131700,2147480980,2147480988,2147480988,87148,47) = 
22484
  22484 set_robust_list(2138131708,12,2147480988,0,87148,47) = -1 errno=38 
(Function not implemented)
  22484 rt_sigaction(32,0x7ffff36c,NULL) = 0
  22484 rt_sigaction(33,0x7ffff36c,NULL) = -1 errno=22 (Invalid argument)
  22484 rt_sigprocmask(SIG_UNBLOCK,0x7ffff4a8,NULL) = 0
  22484 getrlimit(3,2147480732,3,0,62512,47) = 0
  22484 mmap2(NULL,8392704,PROT_NONE,MAP_PRIVATE|MAP_ANONYMOUS|0x20000,-1,0) = 
0x7ed88000
  22484 mprotect(0x7ed89000,8388608,PROT_READ|PROT_WRITE) = 0
  22484 brk(NULL) = 0x00005000
  22484 brk(0x00026000) = 0x00026000
  22484 
clone(CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID,child_stack=0x7f588018,parent_tidptr=0x7f5884fc,tls=0x7f58f928,child_tidptr=0x7f5884fc)
 = 22503
  22484 io_setup(4001536,2136506392,2136507644,2136507644,2136537384,4100) = -1 
errno=38 (Function not implemented)
  22484 futex(0x7f5884fc,FUTEX_WAIT,22503,NULL,NULL,0)22484 
set_robust_list(2136507652,12,0,4100,2136508076,4100) = -1 errno=38 (Function 
not implemented)
  22484 madvise(2128117760,8372224,4,2136507672,528660,4100) = 0
  22484 exit(0)
   = 0
  22484 fstat64(1,0x7fffef48) = 0
  22484 write(1,0x51e8,42)FAIL: a= 10, thr_a = 10 Addr = 0x7f715120
   = 42
  22484 exit_group(1)

  Note that set_robust_list and clone are reported as unimplemented.

  I've reported the problems with the signal syscalls separately here.
  https://bugs.launchpad.net/qemu/+bug/1791763

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