Merge tag 'pull-tcg-20241116' of https://gitlab.com/rth7680/qemu into staging

cpu: ensure we don't call start_exclusive from cpu_exec
tcg: Allow top bit of SIMD_DATA_BITS to be set in simd_desc()
ac

Merge tag 'pull-tcg-20241116' of https://gitlab.com/rth7680/qemu into staging

cpu: ensure we don't call start_exclusive from cpu_exec
tcg: Allow top bit of SIMD_DATA_BITS to be set in simd_desc()
accel/tcg: Fix user-only probe_access_internal plugin check
linux-user: Fix setreuid and setregid to use direct syscalls
linux-user: Tolerate CONFIG_LSM_MMAP_MIN_ADDR
linux-user: Honor elf alignment when placing images
linux-user/*: Reduce vdso alignment to 4k
linux-user/arm: Select vdso for be8 and be32 modes

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# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F

* tag 'pull-tcg-20241116' of https://gitlab.com/rth7680/qemu:
tcg: Allow top bit of SIMD_DATA_BITS to be set in simd_desc()
linux-user/arm: Select vdso for be8 and be32 modes
linux-user/ppc: Reduce vdso alignment to 4k
linux-user/loongarch64: Reduce vdso alignment to 4k
linux-user/arm: Reduce vdso alignment to 4k
linux-user/aarch64: Reduce vdso alignment to 4k
linux-user: Drop image_info.alignment
linux-user: Honor elf alignment when placing images
cpu: ensure we don't call start_exclusive from cpu_exec
target/i386: fix hang when using slow path for ptw_setl
tests/tcg: Test that sigreturn() does not corrupt the signal mask
linux-user: Tolerate CONFIG_LSM_MMAP_MIN_ADDR
accel/tcg: Fix user-only probe_access_internal plugin check
target/arm: Drop user-only special case in sve_stN_r
linux-user: Fix setreuid and setregid to use direct syscalls

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

linux-user: Drop image_info.alignment

This field is write-only. Use only the function-local
variable within load_elf_image.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: R

linux-user: Drop image_info.alignment

This field is write-only. Use only the function-local
variable within load_elf_image.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'pull-tcg-20241013' of https://gitlab.com/rth7680/qemu into staging

linux-user/i386: Emulate orig_ax
linux-user/vm86: Fix compilation with Clang
tcg: remove singlestep_enabled from DisasCo

Merge tag 'pull-tcg-20241013' of https://gitlab.com/rth7680/qemu into staging

linux-user/i386: Emulate orig_ax
linux-user/vm86: Fix compilation with Clang
tcg: remove singlestep_enabled from DisasContextBase
accel/tcg: Add TCGCPUOps.tlb_fill_align
target/hppa: Handle alignment faults in hppa_get_physical_address
target/arm: Fix alignment fault priority in get_phys_addr_lpae

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# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F

* tag 'pull-tcg-20241013' of https://gitlab.com/rth7680/qemu: (27 commits)
target/arm: Fix alignment fault priority in get_phys_addr_lpae
target/arm: Implement TCGCPUOps.tlb_fill_align
target/arm: Move device detection earlier in get_phys_addr_lpae
target/arm: Pass MemOp to get_phys_addr_lpae
target/arm: Pass MemOp through get_phys_addr_twostage
target/arm: Pass MemOp to get_phys_addr_nogpc
target/arm: Pass MemOp to get_phys_addr_gpc
target/arm: Pass MemOp to get_phys_addr_with_space_nogpc
target/arm: Pass MemOp to get_phys_addr
target/hppa: Implement TCGCPUOps.tlb_fill_align
target/hppa: Handle alignment faults in hppa_get_physical_address
target/hppa: Fix priority of T, D, and B page faults
target/hppa: Perform access rights before protection id check
target/hppa: Add MemOp argument to hppa_get_physical_address
accel/tcg: Use the alignment test in tlb_fill_align
accel/tcg: Add TCGCPUOps.tlb_fill_align
include/exec/memop: Introduce memop_atomicity_bits
include/exec/memop: Rename get_alignment_bits
include/exec/memop: Move get_alignment_bits from tcg.h
accel/tcg: Assert noreturn from write-only page for atomics
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

linux-user/i386: Emulate orig_ax

The kernel uses orig_rax/orig_eax to store the syscall number before
a syscall. One can see this value in core dumps and ptrace.

Reviewed-by: Richard Henderson <ric

linux-user/i386: Emulate orig_ax

The kernel uses orig_rax/orig_eax to store the syscall number before
a syscall. One can see this value in core dumps and ptrace.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240912093012.402366-3-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'pull-tcg-20241008' of https://gitlab.com/rth7680/qemu into staging

linux-user: Fix parse_elf_properties GNU0_MAGIC check
linux-user: Various improvements to strace
linux-user: Add openat2

Merge tag 'pull-tcg-20241008' of https://gitlab.com/rth7680/qemu into staging

linux-user: Fix parse_elf_properties GNU0_MAGIC check
linux-user: Various improvements to strace
linux-user: Add openat2 support
linux-user/flatload: Take mmap_lock in load_flt_binary()
accel/tcg: Make page_set_flags() documentation public
tcg/ppc: Use TCG_REG_TMP2 for scratch tcg_out_qemu_st
tcg/ppc: Use TCG_REG_TMP2 for scratch index in prepare_host_addr
target/m68k: Always return a temporary from gen_lea_mode

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# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F

* tag 'pull-tcg-20241008' of https://gitlab.com/rth7680/qemu:
accel/tcg: Make page_set_flags() documentation public
target/m68k: Always return a temporary from gen_lea_mode
tcg/ppc: Use TCG_REG_TMP2 for scratch index in prepare_host_addr
tcg/ppc: Use TCG_REG_TMP2 for scratch tcg_out_qemu_st
linux-user: Add strace for recvfrom()
linux-user: Add strace for sendto()
linux-user: Factor print_buf_len() out
linux-user: Display sockaddr buffer as pointer
linux-user: Correct print_sockaddr() format
linux-user: Trace wait4()'s and waitpid()'s wstatus
linux-user: add strace support for openat2
linux-user: add openat2 support in linux-user
linux-user: Fix parse_elf_properties GNU0_MAGIC check
linux-user/flatload: Take mmap_lock in load_flt_binary()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

linux-user: add strace support for openat2

This commit adds support for the `openat2()` to `QEMU_STRACE`. It
will use the `openat2.h` header if available to create user
readable flags for the `resol

linux-user: add strace support for openat2

This commit adds support for the `openat2()` to `QEMU_STRACE`. It
will use the `openat2.h` header if available to create user
readable flags for the `resolve` argument but does not require
the header otherwise.

It also makes `copy_struct_from_user()` available via `qemu.h`
and `open_how_ver0` via `syscall_defs.h` so that strace.c can use
them.

Signed-off-by: Michael Vogt <mvogt@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-ID: <f02d40c7751c03af885ced6dd94e4734d4be4d8f.1727795334.git.mvogt@redhat.com>
[rth: Add braces around the expanded how structure, like strace(3)]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'accel-20240506' of https://github.com/philmd/qemu into staging

Accelerator patches

- Extract page-protection definitions to page-protection.h
- Rework in accel/tcg in preparation of extr

Merge tag 'accel-20240506' of https://github.com/philmd/qemu into staging

Accelerator patches

- Extract page-protection definitions to page-protection.h
- Rework in accel/tcg in preparation of extracting TCG fields from CPUState
- More uses of get_task_state() in user emulation
- Xen refactors in preparation for adding multiple map caches (Juergen & Edgar)
- MAINTAINERS updates (Aleksandar and Bin)

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# gpg: Signature made Mon 06 May 2024 05:42:08 AM PDT
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]

* tag 'accel-20240506' of https://github.com/philmd/qemu: (28 commits)
MAINTAINERS: Update my email address
MAINTAINERS: Update Aleksandar Rikalo email
system: Pass RAM MemoryRegion and is_write in xen_map_cache()
xen: mapcache: Break out xen_map_cache_init_single()
xen: mapcache: Break out xen_invalidate_map_cache_single()
xen: mapcache: Refactor xen_invalidate_map_cache_entry_unlocked
xen: mapcache: Refactor xen_replace_cache_entry_unlocked
xen: mapcache: Break out xen_ram_addr_from_mapcache_single
xen: mapcache: Refactor xen_remap_bucket for multi-instance
xen: mapcache: Refactor xen_map_cache for multi-instance
xen: mapcache: Refactor lock functions for multi-instance
xen: let xen_ram_addr_from_mapcache() return -1 in case of not found entry
system: let qemu_map_ram_ptr() use qemu_ram_ptr_length()
user: Use get_task_state() helper
user: Declare get_task_state() once in 'accel/tcg/vcpu-state.h'
user: Forward declare TaskState type definition
accel/tcg: Move @plugin_mem_cbs from CPUState to CPUNegativeOffsetState
accel/tcg: Restrict cpu_plugin_mem_cbs_enabled() to TCG
accel/tcg: Restrict qemu_plugin_vcpu_exit_hook() to TCG plugins
accel/tcg: Update CPUNegativeOffsetState::can_do_io field documentation
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

user: Declare get_task_state() once in 'accel/tcg/vcpu-state.h'

While each user emulation implentation defines its own
TaskState structure, both use the same get_task_state()
declaration, in particu

user: Declare get_task_state() once in 'accel/tcg/vcpu-state.h'

While each user emulation implentation defines its own
TaskState structure, both use the same get_task_state()
declaration, in particular in common code (such gdbstub).
Declare the method once in "accel/tcg/vcpu-state.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240428221450.26460-10-philmd@linaro.org>

show more ...

user: Forward declare TaskState type definition

Forward declare TaskState in "qemu/typedefs.h" so we can
use it in generic headers like "hw/cpu/core.h".

Signed-off-by: Philippe Mathieu-Daudé <philm

user: Forward declare TaskState type definition

Forward declare TaskState in "qemu/typedefs.h" so we can
use it in generic headers like "hw/cpu/core.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240428221450.26460-9-philmd@linaro.org>

show more ...

Merge tag 'accel-sh4-ui-20240503' of https://github.com/philmd/qemu into staging

- Fix NULL dereference in NVMM & WHPX init_vcpu()
- Move user emulation headers "exec/user" to "user"
- Fix SH-4 ADDV

Merge tag 'accel-sh4-ui-20240503' of https://github.com/philmd/qemu into staging

- Fix NULL dereference in NVMM & WHPX init_vcpu()
- Move user emulation headers "exec/user" to "user"
- Fix SH-4 ADDV / SUBV opcodes
- Drop Cocoa compatility on macOS <= 10.12
- Update Anthony PERARD email

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# gpg: Signature made Fri 03 May 2024 08:35:42 AM PDT
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]

* tag 'accel-sh4-ui-20240503' of https://github.com/philmd/qemu:
ui/cocoa.m: Drop old macOS-10.12-and-earlier compat ifdefs
target/sh4: Rename TCGv variables as manual for SUBV opcode
target/sh4: Rename TCGv variables as manual for ADDV opcode
target/sh4: Fix SUBV opcode
target/sh4: Fix ADDV opcode
MAINTAINERS: Update my email address
plugins: Update stale comment
plugins/api: Only include 'exec/ram_addr.h' with system emulation
coverity: Update user emulation regexp
user: Move 'thunk.h' from 'exec/user' to 'user'
user: Move 'abitypes.h' from 'exec/user' to 'user'
exec: Include missing license in 'exec/cpu-common.h'
accel/whpx: Fix NULL dereference in whpx_init_vcpu()
accel/nvmm: Fix NULL dereference in nvmm_init_vcpu()

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

user: Move 'abitypes.h' from 'exec/user' to 'user'

Keep all user emulation headers under the same user/ directory.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Hen

user: Move 'abitypes.h' from 'exec/user' to 'user'

Keep all user emulation headers under the same user/ directory.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240503125202.35667-1-philmd@linaro.org>

show more ...

Merge tag 'pull-tcg-20240424' of https://gitlab.com/rth7680/qemu into staging

meson: Make DEBUG_REMAP a meson option
target/m68k: Support semihosting on non-ColdFire targets
linux-user: do_setsockop

Merge tag 'pull-tcg-20240424' of https://gitlab.com/rth7680/qemu into staging

meson: Make DEBUG_REMAP a meson option
target/m68k: Support semihosting on non-ColdFire targets
linux-user: do_setsockopt cleanups
linux-user: Add FITRIM ioctl

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# gpg: Signature made Wed 24 Apr 2024 03:49:27 PM PDT
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-tcg-20240424' of https://gitlab.com/rth7680/qemu:
target/m68k: Support semihosting on non-ColdFire targets
target/m68k: Perform the semihosting test during translate
target/m68k: Pass semihosting arg to exit
linux-user: Add FITRIM ioctl
linux-user: do_setsockopt: eliminate goto in switch for SO_SNDTIMEO
linux-user: do_setsockopt: make ip_mreq_source local to the place where it is used
linux-user: do_setsockopt: make ip_mreq local to the place it is used and inline target_to_host_ip_mreq()
linux-user: do_setsockopt: fix SOL_ALG.ALG_SET_KEY
meson: Make DEBUG_REMAP a meson option

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

meson: Make DEBUG_REMAP a meson option

Currently DEBUG_REMAP is a macro that needs to be manually #defined to
be activated, which makes it hard to have separate build directories
dedicated to testin

meson: Make DEBUG_REMAP a meson option

Currently DEBUG_REMAP is a macro that needs to be manually #defined to
be activated, which makes it hard to have separate build directories
dedicated to testing the code with it. Promote it to a meson option.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20240312002402.14344-1-iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'pull-maintainer-updates-060324-1' of https://gitlab.com/stsquad/qemu into staging

maintainer updates (tests, gdbstub, plugins):

- expand QOS_PATH_MAX_ELEMENT_SIZE to avoid LTO issues

Merge tag 'pull-maintainer-updates-060324-1' of https://gitlab.com/stsquad/qemu into staging

maintainer updates (tests, gdbstub, plugins):

- expand QOS_PATH_MAX_ELEMENT_SIZE to avoid LTO issues
- support fork-follow-mode in gdbstub
- new thread-safe scoreboard API for TCG plugins
- suppress showing opcodes in plugin disassembly

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# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44

* tag 'pull-maintainer-updates-060324-1' of https://gitlab.com/stsquad/qemu: (29 commits)
target/riscv: honour show_opcodes when disassembling
target/loongarch: honour show_opcodes when disassembling
disas/hppa: honour show_opcodes
disas: introduce show_opcodes
plugins: cleanup codepath for previous inline operation
plugins: remove non per_vcpu inline operation from API
contrib/plugins/howvec: migrate to new per_vcpu API
contrib/plugins/hotblocks: migrate to new per_vcpu API
tests/plugin/bb: migrate to new per_vcpu API
tests/plugin/insn: migrate to new per_vcpu API
tests/plugin/mem: migrate to new per_vcpu API
tests/plugin: add test plugin for inline operations
plugins: add inline operation per vcpu
plugins: implement inline operation relative to cpu_index
plugins: define qemu_plugin_u64
plugins: scoreboard API
tests/tcg: Add two follow-fork-mode tests
gdbstub: Implement follow-fork-mode child
gdbstub: Introduce gdb_handle_detach_user()
gdbstub: Introduce gdb_handle_set_thread_user()
...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

show more ...

{linux,bsd}-user: Introduce get_task_state()

A CPU's TaskState is stored in the CPUState's void *opaque field,
accessing which is somewhat awkward due to having to use a cast.
Introduce a wrapper an

{linux,bsd}-user: Introduce get_task_state()

A CPU's TaskState is stored in the CPUState's void *opaque field,
accessing which is somewhat awkward due to having to use a cast.
Introduce a wrapper and use it everywhere.

Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240219141628.246823-3-iii@linux.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240305121005.3528075-4-alex.bennee@linaro.org>

show more ...

Merge tag 'pull-lu-20231030' of https://gitlab.com/rth7680/qemu into staging

linux-user: Fix guest signal remapping after adjusting SIGABRT
linux-user: Implement VDSOs

* tag 'pull-lu-20231030' of h

Merge tag 'pull-lu-20231030' of https://gitlab.com/rth7680/qemu into staging

linux-user: Fix guest signal remapping after adjusting SIGABRT
linux-user: Implement VDSOs

* tag 'pull-lu-20231030' of https://gitlab.com/rth7680/qemu: (21 commits)
build: Add update-linux-vdso makefile rule
linux-user: Show vdso address in /proc/pid/maps
linux-user/s390x: Add vdso
linux-user/s390x: Rename __SIGNAL_FRAMESIZE to STACK_FRAME_OVERHEAD
linux-user/ppc: Add vdso
linux-user/loongarch64: Add vdso
linux-user/riscv: Add vdso
linux-user/hppa: Add vdso
linux-user/arm: Add vdso
linux-user/aarch64: Add vdso
linux-user/x86_64: Add vdso
linux-user/i386: Add vdso
linux-user: Add gen-vdso tool
linux-user: Load vdso image if available
linux-user: Replace bprm->fd with bprm->src.fd
linux-user: Use ImageSource in load_symbols
linux-user: Use ImageSource in load_elf_image
linux-user: Do not clobber bprm_buf swapping ehdr
linux-user: Tidy loader_exec
linux-user: Introduce imgsrc_read, imgsrc_read_alloc
...

Conflicts:
linux-user/arm/signal.c
Fix an #include context conflict.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

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linux-user: Show vdso address in /proc/pid/maps

Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.o

linux-user: Show vdso address in /proc/pid/maps

Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'pull-lu-20230901' of https://gitlab.com/rth7680/qemu into staging

linux-user: Rewrite and improve /proc/pid/maps
linux-user: Fix shmdt and improve shm region tracking
linux-user: Remove E

Merge tag 'pull-lu-20230901' of https://gitlab.com/rth7680/qemu into staging

linux-user: Rewrite and improve /proc/pid/maps
linux-user: Fix shmdt and improve shm region tracking
linux-user: Remove ELF_START_MMAP and image_info.start_mmap

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# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
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* tag 'pull-lu-20230901' of https://gitlab.com/rth7680/qemu:
linux-user: Track shm regions with an interval tree
linux-user: Fix shmdt
linux-user: Use WITH_MMAP_LOCK_GUARD in target_{shmat,shmdt}
linux-user: Move shmat and shmdt implementations to mmap.c
linux-user: Remove ELF_START_MMAP and image_info.start_mmap
linux-user: Emulate the Anonymous: keyword in /proc/self/smaps
linux-user: Show heap address in /proc/pid/maps
linux-user: Adjust brk for load_bias
linux-user: Use walk_memory_regions for open_self_maps
util/selfmap: Use dev_t and ino_t in MapInfo
linux-user: Emulate /proc/cpuinfo for Alpha
linux-user: Emulate /proc/cpuinfo on aarch64 and arm
linux-user: Split out cpu/target_proc.h

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

show more ...

linux-user: Remove ELF_START_MMAP and image_info.start_mmap

The start_mmap value is write-only.
Remove the field and the defines that populated it.
Logically, this has been replaced by task_unmapped

linux-user: Remove ELF_START_MMAP and image_info.start_mmap

The start_mmap value is write-only.
Remove the field and the defines that populated it.
Logically, this has been replaced by task_unmapped_base.

Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'pull-lu-20230808' of https://gitlab.com/rth7680/qemu into staging

linux-user: Adjust guest image layout vs reserved_va
linux-user: Do not adjust image mapping for host page size
linux-use

Merge tag 'pull-lu-20230808' of https://gitlab.com/rth7680/qemu into staging

linux-user: Adjust guest image layout vs reserved_va
linux-user: Do not adjust image mapping for host page size
linux-user: Adjust initial brk when interpreter is close to executable
util/selfmap: Rewrite using qemu/interval-tree.h
linux-user: Rewrite probe_guest_base

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# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-lu-20230808' of https://gitlab.com/rth7680/qemu:
linux-user: Rewrite non-fixed probe_guest_base
linux-user: Rewrite fixed probe_guest_base
linux-user: Consolidate guest bounds check in probe_guest_base
linux-user: Remove duplicate CPU_LOG_PAGE from probe_guest_base
util/selfmap: Rewrite using qemu/interval-tree.h
linux-user: Use zero_bss for PT_LOAD with no file contents too
linux-user: Do not adjust zero_bss for host page size
linux-user: Do not adjust image mapping for host page size
linux-user: Adjust initial brk when interpreter is close to executable
linux-user: Use elf_et_dyn_base for ET_DYN with interpreter
linux-user: Use MAP_FIXED_NOREPLACE for initial image mmap
linux-user: Define ELF_ET_DYN_BASE in $guest/target_mman.h
linux-user: Define TASK_UNMAPPED_BASE in $guest/target_mman.h
linux-user: Adjust task_unmapped_base for reserved_va

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

linux-user: Adjust initial brk when interpreter is close to executable

While we attempt to load a ET_DYN executable far away from
TASK_UNMAPPED_BASE, we are not completely in control of the
address

linux-user: Adjust initial brk when interpreter is close to executable

While we attempt to load a ET_DYN executable far away from
TASK_UNMAPPED_BASE, we are not completely in control of the
address space layout. If the interpreter lands close to
the executable, leaving insufficient heap space, move brk.

Tested-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
[rth: Re-order after ELF_ET_DYN_BASE patch so that we do not
"temporarily break" tsan, and also to minimize the changes required.
Remove image_info.reserve_brk as unused.]
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'pull-tcg-20230806-3' of https://gitlab.com/rth7680/qemu into staging

accel/tcg: Do not issue misaligned i/o
accel/tcg: Call save_iotlb_data from io_readx
gdbstub: use 0 ("any process") on

Merge tag 'pull-tcg-20230806-3' of https://gitlab.com/rth7680/qemu into staging

accel/tcg: Do not issue misaligned i/o
accel/tcg: Call save_iotlb_data from io_readx
gdbstub: use 0 ("any process") on packets with no PID
linux-user: Fixes for MAP_FIXED_NOREPLACE
linux-user: Fixes for brk
linux-user: Set V in ELF_HWCAP for RISC-V
*-user: Remove last_brk as unused

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# gpg: Signature made Sun 06 Aug 2023 04:47:07 PM PDT
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# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-tcg-20230806-3' of https://gitlab.com/rth7680/qemu:
bsd-user: Remove last_brk
linux-user: Remove last_brk
linux-user: Properly set image_info.brk in flatload
linux-user: Do not align brk with host page size
linux-user: Do nothing if too small brk is specified
linux-user: Use MAP_FIXED_NOREPLACE for do_brk()
linux-user: Do not call get_errno() in do_brk()
linux-user: Fix MAP_FIXED_NOREPLACE on old kernels
linux-user: Unset MAP_FIXED_NOREPLACE for host
linux-user/elfload: Set V in ELF_HWCAP for RISC-V
configure: Fix linux-user host detection for riscv64
gdbstub: use 0 ("any process") on packets with no PID
accel/tcg: Call save_iotlb_data from io_readx as well
accel/tcg: Do not issue misaligned i/o
accel/tcg: Issue wider aligned i/o in do_{ld,st}_mmio_*
accel/tcg: Adjust parameters and locking with do_{ld,st}_mmio_*

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

linux-user: Properly set image_info.brk in flatload

The heap starts at "brk" not "start_brk". With this fixed,
image_info.start_brk is unused and may be removed.

Tested-by: Helge Deller <deller@gm

linux-user: Properly set image_info.brk in flatload

The heap starts at "brk" not "start_brk". With this fixed,
image_info.start_brk is unused and may be removed.

Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

Merge tag 'pull-tcg-20230715' of https://gitlab.com/rth7680/qemu into staging

tcg: Use HAVE_CMPXCHG128 instead of CONFIG_CMPXCHG128
accel/tcg: Introduce page_check_range_empty
accel/tcg: Introduce p

Merge tag 'pull-tcg-20230715' of https://gitlab.com/rth7680/qemu into staging

tcg: Use HAVE_CMPXCHG128 instead of CONFIG_CMPXCHG128
accel/tcg: Introduce page_check_range_empty
accel/tcg: Introduce page_find_range_empty
accel/tcg: Accept more page flags in page_check_range
accel/tcg: Return bool from page_check_range
accel/tcg: Always lock pages before translation
linux-user: Use abi_* types for target structures in syscall_defs.h
linux-user: Fix abi_llong alignment for microblaze and nios2
linux-user: Fix do_shmat type errors
linux-user: Implement execve without execveat
linux-user: Make sure initial brk is aligned
linux-user: Use a mask with strace flags
linux-user: Implement MAP_FIXED_NOREPLACE
linux-user: Widen target_mmap offset argument to off_t
linux-user: Use page_find_range_empty for mmap_find_vma_reserved
linux-user: Use 'last' instead of 'end' in target_mmap and subroutines
linux-user: Remove can_passthrough_madvise
linux-user: Simplify target_madvise
linux-user: Drop uint and ulong types
linux-user/arm: Do not allocate a commpage at all for M-profile CPUs
bsd-user: Use page_check_range_empty for MAP_EXCL
bsd-user: Use page_find_range_empty for mmap_find_vma_reserved

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# gpg: Signature made Sat 15 Jul 2023 02:51:02 PM BST
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# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-tcg-20230715' of https://gitlab.com/rth7680/qemu: (47 commits)
tcg: Use HAVE_CMPXCHG128 instead of CONFIG_CMPXCHG128
accel/tcg: Always lock pages before translation
linux-user/arm: Do not allocate a commpage at all for M-profile CPUs
linux-user: Drop uint and ulong
linux-user: Simplify target_madvise
linux-user: Remove can_passthrough_madvise
accel/tcg: Return bool from page_check_range
accel/tcg: Accept more page flags in page_check_range
linux-user: Simplify target_munmap
linux-user: Rename mmap_reserve to mmap_reserve_or_unmap
linux-user: Rewrite mmap_reserve
linux-user: Use 'last' instead of 'end' in target_mmap
linux-user: Use page_find_range_empty for mmap_find_vma_reserved
bsd-user: Use page_find_range_empty for mmap_find_vma_reserved
accel/tcg: Introduce page_find_range_empty
linux-user: Rewrite mmap_frag
linux-user: Rewrite target_mprotect
linux-user: Widen target_mmap offset argument to off_t
linux-user: Split out target_to_host_prot
linux-user: Implement MAP_FIXED_NOREPLACE
...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

show more ...

accel/tcg: Return bool from page_check_range

Replace the 0/-1 result with true/false.
Invert the sense of the test of all callers.
Document the function.

Signed-off-by: Richard Henderson <richard.h

accel/tcg: Return bool from page_check_range

Replace the 0/-1 result with true/false.
Invert the sense of the test of all callers.
Document the function.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230707204054.8792-25-richard.henderson@linaro.org>

show more ...