linux-user/aarch64: Add padding before __kernel_rt_sigreturn

Without this padding, an unwind through the signal handler
will pick up the unwind info for the preceding syscall.

This fixes gcc's 30_t

linux-user/aarch64: Add padding before __kernel_rt_sigreturn

Without this padding, an unwind through the signal handler
will pick up the unwind info for the preceding syscall.

This fixes gcc's 30_threads/thread/native_handle/cancel.cc.

Cc: qemu-stable@nongnu.org
Fixes: ee95fae075c6 ("linux-user/aarch64: Add vdso")
Resolves: https://linaro.atlassian.net/browse/GNU-974
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240202034427.504686-1-richard.henderson@linaro.org>
(cherry picked from commit 6400be014f80e4c2c246eb8be709ea3a96428233)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

show more ...

Merge tag 'pull-tcg-20240202-2' of https://gitlab.com/rth7680/qemu into staging

tests/tcg: Fix multiarch/gdbstub/prot-none.py
hw/core: Convert cpu_mmu_index to a CPUClass hook
tcg/loongarch64: Set v

Merge tag 'pull-tcg-20240202-2' of https://gitlab.com/rth7680/qemu into staging

tests/tcg: Fix multiarch/gdbstub/prot-none.py
hw/core: Convert cpu_mmu_index to a CPUClass hook
tcg/loongarch64: Set vector registers call clobbered
target/sparc: floating-point cleanup
linux-user/aarch64: Add padding before __kernel_rt_sigreturn

# -----BEGIN PGP SIGNATURE-----
#
# iQFRBAABCgA7FiEEekgeeIaLTbaoWgXAZN846K9+IV8FAmW95WkdHHJpY2hhcmQu
# aGVuZGVyc29uQGxpbmFyby5vcmcACgkQZN846K9+IV/p+Qf/eVmh5q0pZqcur7ft
# 8FO0wlIz55OfhaA9MIpH7LEIHRKY37Ybebw2K6SPnx4FmPhLkaj4KXPPjT2nzdXw
# J2nQM+TOyxOd18GG8P80qFQ1a72dj8VSIRVAl9T46KuPXS5B7luArImfBlUk/GwV
# Qr/XkOPwVTp05E/ccMJ8PMlcVZw9osHVLqsaFVbsUv/FylTmstzA9c5Gw7/FTfkG
# T2rk+7go+F4IXs/9uQuuFMOpQOZngXE621hnro+qle7j9oarEUVJloAgVn06o59O
# fUjuoKO0aMCr2iQqNJTH7Dnqp5OIzzxUoXiNTOj0EimwWfAcUKthoFO2LGcy1/ew
# wWNR/Q==
# =e3J3
# -----END PGP SIGNATURE-----
# gpg: Signature made Sat 03 Feb 2024 07:04:09 GMT
# 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-20240202-2' of https://gitlab.com/rth7680/qemu: (58 commits)
linux-user/aarch64: Add padding before __kernel_rt_sigreturn
target/sparc: Remove FSR_FTT_NMASK, FSR_FTT_CEXC_NMASK
target/sparc: Split fcc out of env->fsr
target/sparc: Remove cpu_fsr
target/sparc: Split cexc and ftt from env->fsr
target/sparc: Merge check_ieee_exceptions with FPop helpers
target/sparc: Clear cexc and ftt in do_check_ieee_exceptions
target/sparc: Split ver from env->fsr
target/sparc: Introduce cpu_get_fsr, cpu_put_fsr
target/sparc: Remove qt0, qt1 temporaries
target/sparc: Use i128 for Fdmulq
target/sparc: Use i128 for FdTOq, FxTOq
target/sparc: Use i128 for FsTOq, FiTOq
target/sparc: Use i128 for FCMPq, FCMPEq
target/sparc: Use i128 for FqTOd, FqTOx
target/sparc: Use i128 for FqTOs, FqTOi
target/sparc: Use i128 for FADDq, FSUBq, FMULq, FDIVq
target/sparc: Use i128 for FSQRTq
target/sparc: Inline FNEG, FABS
target/sparc: Introduce gen_{load,store}_fpr_Q
...

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

show more ...

linux-user/aarch64: Add padding before __kernel_rt_sigreturn

Without this padding, an unwind through the signal handler
will pick up the unwind info for the preceding syscall.

This fixes gcc's 30_t

linux-user/aarch64: Add padding before __kernel_rt_sigreturn

Without this padding, an unwind through the signal handler
will pick up the unwind info for the preceding syscall.

This fixes gcc's 30_threads/thread/native_handle/cancel.cc.

Cc: qemu-stable@nongnu.org
Fixes: ee95fae075c6 ("linux-user/aarch64: Add vdso")
Resolves: https://linaro.atlassian.net/browse/GNU-974
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240202034427.504686-1-richard.henderson@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>

show more ...

linux-user/aarch64: Add vdso

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