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[v2,0/6] linux-user: prctl improvements

Message ID 20211227150127.2659293-1-richard.henderson@linaro.org
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Series linux-user: prctl improvements | expand

Message

Richard Henderson Dec. 27, 2021, 3:01 p.m. UTC 
This is split out from a larger patch set for unaligned accesses.
The changes in target/ have no effect without the changes in tcg/,
but this allows the syscall to be handled separately.

Changes for v2:
  * Added LOG_UNIMP to the default case.
  * Use MO_ALIGN instead of 0 for target/sh.


r~


Richard Henderson (6):
  linux-user: Split out do_prctl and subroutines
  linux-user: Disable more prctl subcodes
  linux-user: Add code for PR_GET/SET_UNALIGN
  target/alpha: Implement prctl_unalign_sigbus
  target/hppa: Implement prctl_unalign_sigbus
  target/sh4: Implement prctl_unalign_sigbus

 include/hw/core/cpu.h                     |   3 +
 linux-user/aarch64/target_prctl.h         | 160 +++++++
 linux-user/aarch64/target_syscall.h       |  23 -
 linux-user/alpha/target_prctl.h           |   1 +
 linux-user/arm/target_prctl.h             |   1 +
 linux-user/cris/target_prctl.h            |   1 +
 linux-user/generic/target_prctl_unalign.h |  27 ++
 linux-user/hexagon/target_prctl.h         |   1 +
 linux-user/hppa/target_prctl.h            |   1 +
 linux-user/i386/target_prctl.h            |   1 +
 linux-user/m68k/target_prctl.h            |   1 +
 linux-user/microblaze/target_prctl.h      |   1 +
 linux-user/mips/target_prctl.h            |  88 ++++
 linux-user/mips/target_syscall.h          |   6 -
 linux-user/mips64/target_prctl.h          |   1 +
 linux-user/mips64/target_syscall.h        |   6 -
 linux-user/nios2/target_prctl.h           |   1 +
 linux-user/openrisc/target_prctl.h        |   1 +
 linux-user/ppc/target_prctl.h             |   1 +
 linux-user/riscv/target_prctl.h           |   1 +
 linux-user/s390x/target_prctl.h           |   1 +
 linux-user/sh4/target_prctl.h             |   1 +
 linux-user/sparc/target_prctl.h           |   1 +
 linux-user/x86_64/target_prctl.h          |   1 +
 linux-user/xtensa/target_prctl.h          |   1 +
 target/alpha/cpu.h                        |   5 +
 target/hppa/cpu.h                         |   5 +-
 target/sh4/cpu.h                          |   4 +
 cpu.c                                     |  20 +-
 linux-user/syscall.c                      | 494 +++++++++-------------
 target/alpha/translate.c                  |  31 +-
 target/hppa/translate.c                   |  19 +-
 target/sh4/translate.c                    |  50 ++-
 33 files changed, 604 insertions(+), 355 deletions(-)
 create mode 100644 linux-user/aarch64/target_prctl.h
 create mode 100644 linux-user/alpha/target_prctl.h
 create mode 100644 linux-user/arm/target_prctl.h
 create mode 100644 linux-user/cris/target_prctl.h
 create mode 100644 linux-user/generic/target_prctl_unalign.h
 create mode 100644 linux-user/hexagon/target_prctl.h
 create mode 100644 linux-user/hppa/target_prctl.h
 create mode 100644 linux-user/i386/target_prctl.h
 create mode 100644 linux-user/m68k/target_prctl.h
 create mode 100644 linux-user/microblaze/target_prctl.h
 create mode 100644 linux-user/mips/target_prctl.h
 create mode 100644 linux-user/mips64/target_prctl.h
 create mode 100644 linux-user/nios2/target_prctl.h
 create mode 100644 linux-user/openrisc/target_prctl.h
 create mode 100644 linux-user/ppc/target_prctl.h
 create mode 100644 linux-user/riscv/target_prctl.h
 create mode 100644 linux-user/s390x/target_prctl.h
 create mode 100644 linux-user/sh4/target_prctl.h
 create mode 100644 linux-user/sparc/target_prctl.h
 create mode 100644 linux-user/x86_64/target_prctl.h
 create mode 100644 linux-user/xtensa/target_prctl.h