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Richard Henderson e6b7635c9a linux-user: Standardize on ELF_MACHINE not ELF_ARCH 
PowerPC was the one outlier that defined both ELF_ARCH and
ELF_MACHINE; ELF_ARCH was defined incorrectly, necessitating
the definition of elf_check_arch.

However, the elf file header field in question is called
e_machine, so ELF_MACHINE is in fact the better name.

Mechanically change most target/target_elf.h files,
then adjust ppc/target_elf.h manually.

Do not provide a default for ELF_MACHINE.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-08-30 07:04:04 +10:00
Richard Henderson c33d665297 linux-user: Move elf parameters to {mips,mips64}/target_elf.h 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-08-30 07:04:04 +10:00
Richard Henderson c61b88fbe4 linux-user/mips: Use target_ulong for target_elf_greg_t 
Make use of the fact that target_elf_gregset_t is a proper structure.
The target_ulong type matches the abi_ulong/abi_ullong
selection within mips64/target_elf.h.

Drop ELF_NREG, target_elf_greg_t, and tswapreg.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-08-30 07:04:04 +10:00
Richard Henderson 0dcef57730 linux-user/mips: Create target_ptrace.h 
Move the target_pt_regs structure from target_syscall.h.
Fix the incorrect ordering of the fields.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-08-30 07:04:04 +10:00
Richard Henderson a8081da18d linux-user: Move elf_core_copy_regs to mips/elfload.c 
Move elf_core_copy_regs to elfload.c.
Move HAVE_ELF_CORE_DUMP, ELF_NREGS, target_elf_gregset_t to target_elf.h.
For now, duplicate the definitions of target_elf_greg_t and tswapreg.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-08-30 07:04:03 +10:00
Richard Henderson f8498e084e linux-user: Move get_elf_base_platform to mips/elfload.c 
Pass in CPUState; define HAVE_ELF_BASE_PLATFORM.
Since this was the only instance of ELF_BASE_PLATFORM, go ahead and
provide the stub definition for other platforms.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-08-28 06:39:25 +10:00
Richard Henderson 48004ab058 linux-user: Move get_elf_hwcap to mips/elfload.c 
Change the return type to abi_ulong, and pass in the cpu.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-08-28 06:39:25 +10:00
Richard Henderson af880af8d4 linux-user: Move get_elf_cpu_model to target/elfload.c 
Rename from cpu_get_model to emphasize that this is an elf-specific
function.  Declare the function once in loader.h.

This frees up target_elf.h for other uses.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-08-28 06:39:25 +10:00
Richard Henderson 58afe4cfe9 linux-user: Create target/elfload.c files 
Prepare to split the main linux-user/elfload.c.
Create empty files for each target, and add the common build rule.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2025-08-28 06:39:25 +10:00
Peter Maydell 4ae7d11b70 Merge tag 'pull-tcg-20240922' of https://gitlab.com/rth7680/qemu into staging 
target/ppc: Fix lxvx/stxvx facility check
linux-user: update syscall_nr.h to Linux v6.10
linux-user: update syscall.tbl to Linux v6.11
tcg: Fix iteration step in 32-bit gvec operation
tcg: Propagate new TCGOp to add_as_label_use
tcg/*: Do not expand cmp_vec, cmpsel_vec early
tcg/optimize: Fold movcond with true and false values identical
tcg/optimize: Optimize cmp_vec and cmpsel_vec
tcg/optimize: Optimize bitsel_vec
tcg/i386: Optimize cmpsel with constant 0 operand 3.
tcg/i386: Implement cmp_vec with avx512 insns
tcg/i386: Implement cmpsel_vec with avx512 insns
tcg/i386: Implement vector TST{EQ,NE} for avx512
tcg/ppc: Implement cmpsel_vec and optimize with constant 0/-1 arguments
tcg/s390x: Implement cmpsel_vec and optimize with constant 0/-1 arguments

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# gpg: Signature made Sun 22 Sep 2024 13:00:02 BST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
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* tag 'pull-tcg-20240922' of https://gitlab.com/rth7680/qemu: (31 commits)
  linux-user: update syscall.tbl to Linux v6.11
  linux-user,loongarch: move to syscalltbl file
  linux-user,hexagon: move to syscalltbl file
  linux-user,riscv: move to syscalltbl file
  linux-user,openrisc: move to syscalltbl file
  linux-user,aarch64: move to syscalltbl file
  linux-user: update syscall.tbl to Linux v6.10
  linux-user, mips: update syscall-args-o32.c.inc to Linux v6.10
  linux-user: update syscall_nr.h to Linux v6.10
  target/ppc: Fix lxvx/stxvx facility check
  tcg/s390x: Optimize cmpsel with constant 0/-1 arguments
  tcg/s390x: Implement cmpsel_vec
  tcg/ppc: Optimize cmpsel with constant 0/-1 arguments
  tcg/ppc: Implement cmpsel_vec
  tcg/i386: Implement vector TST{EQ,NE} for avx512
  tcg/i386: Implement cmpsel_vec with avx512 insns
  tcg/i386: Add predicate parameters to tcg_out_evex_opc
  tcg/i386: Implement cmp_vec with avx512 insns
  tcg/i386: Optimize cmpsel with constant 0 operand 3.
  tcg/optimize: Optimize bitsel_vec
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 2024-09-27 10:32:29 +01:00
Laurent VivierandRichard Henderson e12fbc36f9 linux-user: update syscall.tbl to Linux v6.10 
Updated running scripts/update-syscalltbl.sh

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-ID: <20240918074256.720617-4-laurent@vivier.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2024-09-22 09:27:12 +02:00
Philippe Mathieu-DaudéandMichael Tokarev 06e2329636 license: Update deprecated SPDX tag GPL-2.0 to GPL-2.0-only 
The 'GPL-2.0' license identifier has been deprecated since license
list version 3.0 [1] and replaced by the 'GPL-2.0-only' tag [2].

[1] https://spdx.org/licenses/GPL-2.0.html
[2] https://spdx.org/licenses/GPL-2.0-only.html

Mechanical patch running:

  $ sed -i -e s/GPL-2.0/GPL-2.0-only/ \
    $(git grep -l 'SPDX-License-Identifier: GPL-2.0[ $]' \
        | egrep -v '^linux-headers|^include/standard-headers')

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
 2024-09-20 10:11:59 +03:00
Philippe Mathieu-Daudé e922abf5c0 linux-user/mips: Select Loongson CPU for Loongson binaries 
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240814133928.6746-5-philmd@linaro.org>
 2024-08-20 00:49:13 +02:00
Philippe Mathieu-Daudé 309ce6af94 linux-user/mips: Select MIPS64R2-generic for Rel2 binaries 
Cc: YunQiang Su <syq@debian.org>
Reported-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240814133928.6746-4-philmd@linaro.org>
 2024-08-20 00:49:13 +02:00
Philippe Mathieu-Daudé 1e5a7c57a5 linux-user/mips: Select Octeon68XX CPU for Octeon binaries 
The Octeon68XX CPU is available since commit 9a6046a655
("target/mips: introduce Cavium Octeon CPU model").

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1722
Reported-by: Johnathan Hữu Trí <nhtri2003@gmail.com>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240814133928.6746-3-philmd@linaro.org>
 2024-08-20 00:49:05 +02:00
Philippe Mathieu-Daudé f7e3d7521b linux-user/mips: Do not try to use removed R5900 CPU 
R5900 emulation was removed in commit 823f2897bd.
Remove it from ELF parsing in order to avoid:

  $ qemu-mipsn32 ./test5900
  qemu-mipsn32: unable to find CPU model 'R5900'

This reverts commit 4d9e5a0eb7.

Fixes: 823f2897bd ("target/mips: Disable R5900 support")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240814133928.6746-2-philmd@linaro.org>
 2024-08-20 00:47:57 +02:00
Richard Henderson 121c8dd69d linux-user: Split out cpu/target_proc.h 
Move the various open_cpuinfo functions into new files.
Move the m68k open_hardware function as well.
All other guest architectures get a boilerplate empty file.

Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
 2023-09-01 13:33:09 -07:00
Richard Henderson 492fe4e754 linux-user: Split TARGET_MAP_* out of syscall_defs.h 
Move the values into the per-target target_mman.h headers

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230707204054.8792-7-richard.henderson@linaro.org>
 2023-07-15 08:02:32 +01:00
Ilya LeoshkevichandLaurent Vivier 9f22020b91 linux-user: Provide MADV_* definitions 
Provide MADV_* definitions using target_mman.h header, similar to what
kernel does. Most architectures use the same values, with the exception
of alpha and hppa.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220906000839.1672934-2-iii@linux.ibm.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
 2022-09-27 09:30:09 +02:00
Serge BelyshevandLaurent Vivier b13e49bc86 linux-user: Move generic TARGET_RLIMIT* definitions to generic/target_resource.h 
Signed-off-by: Serge Belyshev <belyshev@depni.sinp.msu.ru>
Message-Id: <87ee4ql3yk.fsf_-_@depni.sinp.msu.ru>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
 2022-02-01 08:01:38 +01:00
Richard HendersonandLaurent Vivier 87e9bf2323 linux-user: Split out do_prctl and subroutines 
Since the prctl constants are supposed to be generic, supply
any that are not provided by the host.

Split out subroutines for PR_GET_FP_MODE, PR_SET_FP_MODE,
PR_GET_VL, PR_SET_VL, PR_RESET_KEYS, PR_SET_TAGGED_ADDR_CTRL,
PR_GET_TAGGED_ADDR_CTRL.  Return EINVAL for guests that do
not support these options rather than pass them on to the host.

Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211227150127.2659293-2-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
 2022-01-06 11:40:52 +01:00
Song GaoandLaurent Vivier c1e8e3a746 linux-user: Remove TARGET_SIGSTKSZ 
TARGET_SIGSTKSZ is not used, we should remove it.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1637893388-10282-4-git-send-email-gaosong@loongson.cn>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
 2022-01-06 11:40:52 +01:00
Song GaoandLaurent Vivier f9d0707182 linux-user: target_syscall.h remove definition TARGET_MINSIGSTKSZ 
TARGET_MINSIGSTKSZ has been defined in generic/signal.h
or target_signal.h, We don't need to define it again.

Signed-off-by: Song Gao <gaosong@loongson.cn>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1637893388-10282-3-git-send-email-gaosong@loongson.cn>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
 2022-01-06 11:40:52 +01:00
Richard HendersonandLaurent Vivier 317a33b6eb linux-user/mips: Implement setup_sigtramp 
Create and record the two signal trampolines.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210929130553.121567-16-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
 2021-10-01 12:03:48 +02:00
Laurent Vivier 2fa4ad3f90 linux-user: update syscall.tbl to Linux v5.13 
Updated running scripts/update-syscalltbl.sh

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20210708215756.268805-4-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
 2021-07-13 13:59:59 +02:00