Re: [PATCH 00/22] linux-user: generate syscall_nr.sh

[Alistair Francis]

On Mon, Feb 17, 2020 at 2:36 PM Laurent Vivier <address@hidden> wrote:
>
> This series copies the files syscall.tbl from linux v5.5 and generates
> the file syscall_nr.h from them.
>
> This is done for all the QEMU targets that have a syscall.tbl
> in the linux source tree: mips, mips64, i386, x86_64, sparc, s390x,
> ppc, arm, microblaze, sh4, xtensa, m68k, hppa and alpha.
>
> tilegx and cris are depecrated in linux (tilegx has no maintainer in QEMU)
>
> aarch64, nios2, openrisc and riscv have no syscall.tbl in linux.

What's the plan with these other architectures?

RISC-V uses asm-generic, is there some way to generate syscall_nr.h from that?

Alistair

>
> It seems there is a bug in QEMU that forces to disable manually arch_prctl
> with i386 target: do_arch_prctl() is only defined with TARGET_ABI32 but
> TARGET_ABI32 is never defined with TARGET_I386 (nor TARGET_X86_64).
>
> I have also removed all syscalls in s390x/syscall_nr.h defined for
> !defined(TARGET_S390X).
>
> I have added a script to copy all these files from linux and updated
> them at the end of the series with their latest version for today.
>
> The two last patches manage the special case for mips O32 that needs
> to know the number of arguments. We find them in strace sources.
>
> Laurent Vivier (22):
>   linux-user: introduce parameters to generate syscall_nr.h
>   linux-user,alpha: add syscall table generation support
>   linux-user,hppa: add syscall table generation support
>   linux-user,m68k: add syscall table generation support
>   linux-user,xtensa: add syscall table generation support
>   linux-user,sh4: add syscall table generation support
>   linux-user,microblaze: add syscall table generation support
>   linux-user,arm: add syscall table generation support
>   linux-user,ppc: split syscall_nr.h
>   linux-user,ppc: add syscall table generation support
>   linux-user,s390x: remove syscall definitions for !TARGET_S390X
>   linux-user,s390x: add syscall table generation support
>   linux-user,sparc,sparc64: add syscall table generation support
>   linux-user,i386: add syscall table generation support
>   linux-user,x86_64: add syscall table generation support
>   linux-user,mips: add syscall table generation support
>   linux-user,mips64: split syscall_nr.h
>   linux-user,mips64: add syscall table generation support
>   linux-user,scripts: add a script to update syscall.tbl
>   linux-user: update syscall.tbl from linux 0bf999f9c5e7
>   linux-user,mips: move content of mips_syscall_args
>   linux-user,mips: update syscall-args-o32.c.inc
>
>  MAINTAINERS                            |   1 +
>  Makefile.target                        |   3 +-
>  configure                              |  23 +
>  linux-user/Makefile.objs               |  19 +-
>  linux-user/alpha/Makefile.objs         |   5 +
>  linux-user/alpha/syscall.tbl           | 479 ++++++++++++++++
>  linux-user/alpha/syscall_nr.h          | 492 -----------------
>  linux-user/alpha/syscallhdr.sh         |  32 ++
>  linux-user/arm/Makefile.objs           |   8 +
>  linux-user/arm/syscall.tbl             | 453 ++++++++++++++++
>  linux-user/arm/syscall_nr.h            | 447 ---------------
>  linux-user/arm/syscallhdr.sh           |  31 ++
>  linux-user/hppa/Makefile.objs          |   5 +
>  linux-user/hppa/syscall.tbl            | 437 +++++++++++++++
>  linux-user/hppa/syscall_nr.h           | 358 ------------
>  linux-user/hppa/syscallhdr.sh          |  32 ++
>  linux-user/i386/Makefile.objs          |   5 +
>  linux-user/i386/syscall_32.tbl         | 444 +++++++++++++++
>  linux-user/i386/syscall_nr.h           | 387 -------------
>  linux-user/i386/syscallhdr.sh          |  28 +
>  linux-user/m68k/Makefile.objs          |   5 +
>  linux-user/m68k/syscall.tbl            | 439 +++++++++++++++
>  linux-user/m68k/syscall_nr.h           | 434 ---------------
>  linux-user/m68k/syscallhdr.sh          |  32 ++
>  linux-user/microblaze/Makefile.objs    |   5 +
>  linux-user/microblaze/syscall.tbl      | 445 +++++++++++++++
>  linux-user/microblaze/syscall_nr.h     | 442 ---------------
>  linux-user/microblaze/syscallhdr.sh    |  32 ++
>  linux-user/mips/Makefile.objs          |   5 +
>  linux-user/mips/cpu_loop.c             | 440 +--------------
>  linux-user/mips/syscall-args-o32.c.inc | 436 +++++++++++++++
>  linux-user/mips/syscall_nr.h           | 425 ---------------
>  linux-user/mips/syscall_o32.tbl        | 427 +++++++++++++++
>  linux-user/mips/syscallhdr.sh          |  36 ++
>  linux-user/mips64/Makefile.objs        |   9 +
>  linux-user/mips64/syscall_n32.tbl      | 378 +++++++++++++
>  linux-user/mips64/syscall_n64.tbl      | 354 ++++++++++++
>  linux-user/mips64/syscall_nr.h         | 719 +------------------------
>  linux-user/mips64/syscallhdr.sh        |  33 ++
>  linux-user/ppc/Makefile.objs           |   9 +
>  linux-user/ppc/signal.c                |   2 +-
>  linux-user/ppc/syscall.tbl             | 521 ++++++++++++++++++
>  linux-user/ppc/syscall_nr.h            | 394 +-------------
>  linux-user/ppc/syscallhdr.sh           |  34 ++
>  linux-user/s390x/Makefile.objs         |   5 +
>  linux-user/s390x/syscall.tbl           | 442 +++++++++++++++
>  linux-user/s390x/syscall_nr.h          | 398 --------------
>  linux-user/s390x/syscallhdr.sh         |  32 ++
>  linux-user/sh4/Makefile.objs           |   5 +
>  linux-user/sh4/syscall.tbl             | 442 +++++++++++++++
>  linux-user/sh4/syscall_nr.h            | 441 ---------------
>  linux-user/sh4/syscallhdr.sh           |  32 ++
>  linux-user/sparc/Makefile.objs         |   5 +
>  linux-user/sparc/syscall.tbl           | 485 +++++++++++++++++
>  linux-user/sparc/syscall_nr.h          | 363 -------------
>  linux-user/sparc/syscallhdr.sh         |  32 ++
>  linux-user/sparc64/Makefile.objs       |   5 +
>  linux-user/sparc64/syscall.tbl         | 485 +++++++++++++++++
>  linux-user/sparc64/syscall_nr.h        | 366 -------------
>  linux-user/sparc64/syscallhdr.sh       |  32 ++
>  linux-user/x86_64/Makefile.objs        |   5 +
>  linux-user/x86_64/syscall_64.tbl       | 404 ++++++++++++++
>  linux-user/x86_64/syscall_nr.h         | 356 ------------
>  linux-user/x86_64/syscallhdr.sh        |  28 +
>  linux-user/xtensa/Makefile.objs        |   5 +
>  linux-user/xtensa/syscall.tbl          | 410 ++++++++++++++
>  linux-user/xtensa/syscall_nr.h         | 469 ----------------
>  linux-user/xtensa/syscallhdr.sh        |  32 ++
>  scripts/update-mips-syscall-args.sh    |  57 ++
>  scripts/update-syscalltbl.sh           |  49 ++
>  70 files changed, 8201 insertions(+), 6929 deletions(-)
>  create mode 100644 linux-user/alpha/Makefile.objs
>  create mode 100644 linux-user/alpha/syscall.tbl
>  delete mode 100644 linux-user/alpha/syscall_nr.h
>  create mode 100644 linux-user/alpha/syscallhdr.sh
>  create mode 100644 linux-user/arm/Makefile.objs
>  create mode 100644 linux-user/arm/syscall.tbl
>  delete mode 100644 linux-user/arm/syscall_nr.h
>  create mode 100644 linux-user/arm/syscallhdr.sh
>  create mode 100644 linux-user/hppa/Makefile.objs
>  create mode 100644 linux-user/hppa/syscall.tbl
>  delete mode 100644 linux-user/hppa/syscall_nr.h
>  create mode 100644 linux-user/hppa/syscallhdr.sh
>  create mode 100644 linux-user/i386/Makefile.objs
>  create mode 100644 linux-user/i386/syscall_32.tbl
>  delete mode 100644 linux-user/i386/syscall_nr.h
>  create mode 100644 linux-user/i386/syscallhdr.sh
>  create mode 100644 linux-user/m68k/Makefile.objs
>  create mode 100644 linux-user/m68k/syscall.tbl
>  delete mode 100644 linux-user/m68k/syscall_nr.h
>  create mode 100644 linux-user/m68k/syscallhdr.sh
>  create mode 100644 linux-user/microblaze/Makefile.objs
>  create mode 100644 linux-user/microblaze/syscall.tbl
>  delete mode 100644 linux-user/microblaze/syscall_nr.h
>  create mode 100644 linux-user/microblaze/syscallhdr.sh
>  create mode 100644 linux-user/mips/Makefile.objs
>  create mode 100644 linux-user/mips/syscall-args-o32.c.inc
>  delete mode 100644 linux-user/mips/syscall_nr.h
>  create mode 100644 linux-user/mips/syscall_o32.tbl
>  create mode 100644 linux-user/mips/syscallhdr.sh
>  create mode 100644 linux-user/mips64/Makefile.objs
>  create mode 100644 linux-user/mips64/syscall_n32.tbl
>  create mode 100644 linux-user/mips64/syscall_n64.tbl
>  create mode 100644 linux-user/mips64/syscallhdr.sh
>  create mode 100644 linux-user/ppc/Makefile.objs
>  create mode 100644 linux-user/ppc/syscall.tbl
>  create mode 100644 linux-user/ppc/syscallhdr.sh
>  create mode 100644 linux-user/s390x/Makefile.objs
>  create mode 100644 linux-user/s390x/syscall.tbl
>  delete mode 100644 linux-user/s390x/syscall_nr.h
>  create mode 100755 linux-user/s390x/syscallhdr.sh
>  create mode 100644 linux-user/sh4/Makefile.objs
>  create mode 100644 linux-user/sh4/syscall.tbl
>  delete mode 100644 linux-user/sh4/syscall_nr.h
>  create mode 100644 linux-user/sh4/syscallhdr.sh
>  create mode 100644 linux-user/sparc/Makefile.objs
>  create mode 100644 linux-user/sparc/syscall.tbl
>  delete mode 100644 linux-user/sparc/syscall_nr.h
>  create mode 100644 linux-user/sparc/syscallhdr.sh
>  create mode 100644 linux-user/sparc64/Makefile.objs
>  create mode 100644 linux-user/sparc64/syscall.tbl
>  delete mode 100644 linux-user/sparc64/syscall_nr.h
>  create mode 100644 linux-user/sparc64/syscallhdr.sh
>  create mode 100644 linux-user/x86_64/Makefile.objs
>  create mode 100644 linux-user/x86_64/syscall_64.tbl
>  delete mode 100644 linux-user/x86_64/syscall_nr.h
>  create mode 100644 linux-user/x86_64/syscallhdr.sh
>  create mode 100644 linux-user/xtensa/Makefile.objs
>  create mode 100644 linux-user/xtensa/syscall.tbl
>  delete mode 100644 linux-user/xtensa/syscall_nr.h
>  create mode 100644 linux-user/xtensa/syscallhdr.sh
>  create mode 100755 scripts/update-mips-syscall-args.sh
>  create mode 100755 scripts/update-syscalltbl.sh
>
> --
> 2.24.1
>
>