[PULL 00/20] tcg patch queue

[Richard Henderson]

The following changes since commit e93ded1bf6c94ab95015b33e188bc8b0b0c32670:

  Merge tag 'testing-pull-request-2022-08-30' of https://gitlab.com/thuth/qemu 
into staging (2022-08-31 18:19:03 -0400)

are available in the Git repository at:

  https://gitlab.com/rth7680/qemu.git tags/pull-tcg-20220901

for you to fetch changes up to 20011be2e30b8aa8ef1fc258485f00c688703deb:

  target/riscv: Make translator stop before the end of a page (2022-09-01 
07:43:08 +0100)

----------------------------------------------------------------
Respect PROT_EXEC in user-only mode.
Fix s390x, i386 and riscv for translations crossing a page.

----------------------------------------------------------------
Ilya Leoshkevich (4):
      linux-user: Clear translations on mprotect()
      accel/tcg: Introduce is_same_page()
      target/s390x: Make translator stop before the end of a page
      target/i386: Make translator stop before the end of a page

Richard Henderson (16):
      linux-user/arm: Mark the commpage executable
      linux-user/hppa: Allocate page zero as a commpage
      linux-user/x86_64: Allocate vsyscall page as a commpage
      linux-user: Honor PT_GNU_STACK
      tests/tcg/i386: Move smc_code2 to an executable section
      accel/tcg: Properly implement get_page_addr_code for user-only
      accel/tcg: Unlock mmap_lock after longjmp
      accel/tcg: Make tb_htable_lookup static
      accel/tcg: Move qemu_ram_addr_from_host_nofail to physmem.c
      accel/tcg: Use probe_access_internal for softmmu get_page_addr_code_hostp
      accel/tcg: Document the faulting lookup in tb_lookup_cmp
      accel/tcg: Remove translator_ldsw
      accel/tcg: Add pc and host_pc params to gen_intermediate_code
      accel/tcg: Add fast path for translator_ld*
      target/riscv: Add MAX_INSN_LEN and insn_len
      target/riscv: Make translator stop before the end of a page

 include/elf.h                     |   1 +
 include/exec/cpu-common.h         |   1 +
 include/exec/exec-all.h           |  89 ++++++++----------------
 include/exec/translator.h         |  96 ++++++++++++++++---------
 linux-user/arm/target_cpu.h       |   4 +-
 linux-user/qemu.h                 |   1 +
 accel/tcg/cpu-exec.c              | 143 ++++++++++++++++++++------------------
 accel/tcg/cputlb.c                |  93 +++++++------------------
 accel/tcg/translate-all.c         |  29 ++++----
 accel/tcg/translator.c            | 135 ++++++++++++++++++++++++++---------
 accel/tcg/user-exec.c             |  17 ++++-
 linux-user/elfload.c              |  82 ++++++++++++++++++++--
 linux-user/mmap.c                 |   6 +-
 softmmu/physmem.c                 |  12 ++++
 target/alpha/translate.c          |   5 +-
 target/arm/translate.c            |   5 +-
 target/avr/translate.c            |   5 +-
 target/cris/translate.c           |   5 +-
 target/hexagon/translate.c        |   6 +-
 target/hppa/translate.c           |   5 +-
 target/i386/tcg/translate.c       |  71 +++++++++++--------
 target/loongarch/translate.c      |   6 +-
 target/m68k/translate.c           |   5 +-
 target/microblaze/translate.c     |   5 +-
 target/mips/tcg/translate.c       |   5 +-
 target/nios2/translate.c          |   5 +-
 target/openrisc/translate.c       |   6 +-
 target/ppc/translate.c            |   5 +-
 target/riscv/translate.c          |  32 +++++++--
 target/rx/translate.c             |   5 +-
 target/s390x/tcg/translate.c      |  20 ++++--
 target/sh4/translate.c            |   5 +-
 target/sparc/translate.c          |   5 +-
 target/tricore/translate.c        |   6 +-
 target/xtensa/translate.c         |   6 +-
 tests/tcg/i386/test-i386.c        |   2 +-
 tests/tcg/riscv64/noexec.c        |  79 +++++++++++++++++++++
 tests/tcg/s390x/noexec.c          | 106 ++++++++++++++++++++++++++++
 tests/tcg/x86_64/noexec.c         |  75 ++++++++++++++++++++
 tests/tcg/multiarch/noexec.c.inc  | 139 ++++++++++++++++++++++++++++++++++++
 tests/tcg/riscv64/Makefile.target |   1 +
 tests/tcg/s390x/Makefile.target   |   1 +
 tests/tcg/x86_64/Makefile.target  |   3 +-
 43 files changed, 966 insertions(+), 367 deletions(-)
 create mode 100644 tests/tcg/riscv64/noexec.c
 create mode 100644 tests/tcg/s390x/noexec.c
 create mode 100644 tests/tcg/x86_64/noexec.c
 create mode 100644 tests/tcg/multiarch/noexec.c.inc