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Re: [PATCH v2 0/9] linux-user: split internals out of qemu.h
From: |
Laurent Vivier |
Subject: |
Re: [PATCH v2 0/9] linux-user: split internals out of qemu.h |
Date: |
Mon, 13 Sep 2021 21:07:24 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 |
Le 08/09/2021 à 17:43, Peter Maydell a écrit :
> linux-user/qemu.h is an awkward header, for two reasons:
> (1) its name suggests it's a rather common generic header,
> but it's actually specific to the usermode emulators
> (2) it is a mix of:
> * lots of things internal to the implementation of linux-user
> * functions that a few files outside linux-user want
> (mostly the user-access functions like lock_user,
> get/put_user_*, etc, and also the TaskStruct definition)
>
> This patchset tries to clean it up a bit by at least splitting
> most of the "just internal to linux-user" parts out of qemu.h
> and putting them in a handful of different .h files that are
> then included by the linux-user files that need them.
>
> I think the ideal would probably be to eventually junk
> qemu.h entirely and have a few separate headers specifically
> for the bits that non-linux-user code needs (eg a 'user-access.h'
> for the get/put_user stuff), perhaps located somewhere that
> means we don't need to put linux-user/ on the include path.
> But that's awkward as it needs interaction with bsd-user too.
> So this much cleanup seemed like a reasonable start...
>
> Changes v1->v2:
> * rebased
> * fixed a few minor niggles spotted in v1 during review
> * use existing signal-common.h rather than creating a new
> header for signal-related functions
>
> Patches still needing review: 3, 4, 5, 7
>
> thanks
> -- PMM
>
> Peter Maydell (9):
> linux-user: Fix coding style nits in qemu.h
> linux-user: Split strace prototypes into strace.h
> linux-user: Split signal-related prototypes into signal-common.h
> linux-user: Split loader-related prototypes into loader.h
> linux-user: Split mmap prototypes into user-mmap.h
> linux-user: Split safe-syscall macro into its own header
> linux-user: Split linux-user internals out of qemu.h
> linux-user: Don't include gdbstub.h in qemu.h
> linux-user: Drop unneeded includes from qemu.h
>
> linux-user/loader.h | 59 +++++
> linux-user/qemu.h | 429 ++-----------------------------
> linux-user/safe-syscall.h | 154 +++++++++++
> linux-user/signal-common.h | 36 +++
> linux-user/strace.h | 38 +++
> linux-user/user-internals.h | 186 ++++++++++++++
> linux-user/user-mmap.h | 34 +++
> gdbstub.c | 2 +-
> linux-user/aarch64/cpu_loop.c | 2 +
> linux-user/aarch64/signal.c | 1 +
> linux-user/alpha/cpu_loop.c | 2 +
> linux-user/alpha/signal.c | 1 +
> linux-user/arm/cpu_loop.c | 2 +
> linux-user/arm/signal.c | 1 +
> linux-user/cris/cpu_loop.c | 2 +
> linux-user/cris/signal.c | 1 +
> linux-user/elfload.c | 3 +
> linux-user/exit.c | 2 +
> linux-user/fd-trans.c | 2 +
> linux-user/flatload.c | 3 +
> linux-user/hexagon/cpu_loop.c | 2 +
> linux-user/hexagon/signal.c | 1 +
> linux-user/hppa/cpu_loop.c | 2 +
> linux-user/hppa/signal.c | 1 +
> linux-user/i386/cpu_loop.c | 3 +
> linux-user/i386/signal.c | 1 +
> linux-user/linuxload.c | 2 +
> linux-user/m68k/cpu_loop.c | 2 +
> linux-user/m68k/signal.c | 1 +
> linux-user/main.c | 5 +
> linux-user/microblaze/cpu_loop.c | 2 +
> linux-user/microblaze/signal.c | 1 +
> linux-user/mips/cpu_loop.c | 2 +
> linux-user/mips/signal.c | 1 +
> linux-user/mmap.c | 2 +
> linux-user/nios2/cpu_loop.c | 2 +
> linux-user/nios2/signal.c | 1 +
> linux-user/openrisc/cpu_loop.c | 2 +
> linux-user/openrisc/signal.c | 1 +
> linux-user/ppc/cpu_loop.c | 2 +
> linux-user/ppc/signal.c | 1 +
> linux-user/riscv/cpu_loop.c | 2 +
> linux-user/riscv/signal.c | 1 +
> linux-user/s390x/cpu_loop.c | 2 +
> linux-user/s390x/signal.c | 1 +
> linux-user/semihost.c | 1 +
> linux-user/sh4/cpu_loop.c | 2 +
> linux-user/sh4/signal.c | 1 +
> linux-user/signal.c | 5 +
> linux-user/sparc/cpu_loop.c | 2 +
> linux-user/sparc/signal.c | 1 +
> linux-user/strace.c | 3 +
> linux-user/syscall.c | 6 +
> linux-user/uaccess.c | 1 +
> linux-user/uname.c | 1 +
> linux-user/vm86.c | 1 +
> linux-user/xtensa/cpu_loop.c | 2 +
> linux-user/xtensa/signal.c | 1 +
> semihosting/arm-compat-semi.c | 2 +-
> target/m68k/m68k-semi.c | 2 +-
> target/nios2/nios2-semi.c | 2 +-
> thunk.c | 1 +
> 62 files changed, 620 insertions(+), 417 deletions(-)
> create mode 100644 linux-user/loader.h
> create mode 100644 linux-user/safe-syscall.h
> create mode 100644 linux-user/strace.h
> create mode 100644 linux-user/user-internals.h
> create mode 100644 linux-user/user-mmap.h
>
Applied to my linux-user-for-6.2 branch.
Thanks,
Laurent
- Re: [PATCH v2 6/9] linux-user: Split safe-syscall macro into its own header, (continued)