diff options
Diffstat (limited to 'fs/Kconfig.binfmt')
| -rw-r--r-- | fs/Kconfig.binfmt | 154 |
1 files changed, 81 insertions, 73 deletions
diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt index 370b24cee4d8..1949e25c7741 100644 --- a/fs/Kconfig.binfmt +++ b/fs/Kconfig.binfmt @@ -1,8 +1,13 @@ +# SPDX-License-Identifier: GPL-2.0-only + +menu "Executable file formats" + config BINFMT_ELF bool "Kernel support for ELF binaries" - depends on MMU && (BROKEN || !FRV) + depends on MMU + select ELFCORE default y - ---help--- + help ELF (Executable and Linkable Format) is a format for libraries and executables used across different architectures and operating systems. Saying Y here will enable your kernel to run ELF binaries @@ -23,17 +28,38 @@ config BINFMT_ELF ld.so (check the file <file:Documentation/Changes> for location and latest version). +config BINFMT_ELF_KUNIT_TEST + bool "Build KUnit tests for ELF binary support" if !KUNIT_ALL_TESTS + depends on KUNIT=y && BINFMT_ELF=y + default KUNIT_ALL_TESTS + help + This builds the ELF loader KUnit tests, which try to gather + prior bug fixes into a regression test collection. This is really + only needed for debugging. Note that with CONFIG_COMPAT=y, the + compat_binfmt_elf KUnit test is also created. + config COMPAT_BINFMT_ELF - bool + def_bool y depends on COMPAT && BINFMT_ELF + select ELFCORE + +config ARCH_BINFMT_ELF_STATE + bool + +config ARCH_BINFMT_ELF_EXTRA_PHDRS + bool -config ARCH_BINFMT_ELF_RANDOMIZE_PIE +config ARCH_HAVE_ELF_PROT + bool + +config ARCH_USE_GNU_PROPERTY bool config BINFMT_ELF_FDPIC bool "Kernel support for FDPIC ELF binaries" - default y - depends on (FRV || BLACKFIN || (SUPERH32 && !MMU) || C6X) + default y if !BINFMT_ELF + depends on ARM || ((M68K || RISCV || SUPERH || XTENSA) && !MMU) + select ELFCORE help ELF FDPIC binaries are based on ELF, but allow the individual load segments of a binary to be located in memory independently of each @@ -43,6 +69,11 @@ config BINFMT_ELF_FDPIC It is also possible to run FDPIC ELF binaries on MMU linux also. +config ELFCORE + bool + help + This option enables kernel/elfcore.o. + config CORE_DUMP_DEFAULT_ELF_HEADERS bool "Write ELF core dumps with partial segments" default y @@ -60,7 +91,7 @@ config CORE_DUMP_DEFAULT_ELF_HEADERS The core dump behavior can be controlled per process using the /proc/PID/coredump_filter pseudo-file; this setting is - inherited. See Documentation/filesystems/proc.txt for details. + inherited. See Documentation/filesystems/proc.rst for details. This config option changes the default setting of coredump_filter seen at boot time. If unsure, say Y. @@ -79,12 +110,31 @@ config BINFMT_SCRIPT Most systems will not boot if you say M or N here. If unsure, say Y. +config ARCH_HAS_BINFMT_FLAT + bool + config BINFMT_FLAT bool "Kernel support for flat binaries" - depends on !MMU && (!FRV || BROKEN) + depends on ARCH_HAS_BINFMT_FLAT help Support uClinux FLAT format binaries. +config BINFMT_FLAT_ARGVP_ENVP_ON_STACK + bool + +config BINFMT_FLAT_OLD_ALWAYS_RAM + bool + +config BINFMT_FLAT_NO_DATA_START_OFFSET + bool + +config BINFMT_FLAT_OLD + bool "Enable support for very old legacy flat binaries" + depends on BINFMT_FLAT + help + Support decade old uClinux FLAT format binaries. Unless you know + you have some of those say N here. + config BINFMT_ZFLAT bool "Enable ZFLAT support" depends on BINFMT_FLAT @@ -92,70 +142,9 @@ config BINFMT_ZFLAT help Support FLAT format compressed binaries -config BINFMT_SHARED_FLAT - bool "Enable shared FLAT support" - depends on BINFMT_FLAT - help - Support FLAT shared libraries - -config HAVE_AOUT - def_bool n - -config BINFMT_AOUT - tristate "Kernel support for a.out and ECOFF binaries" - depends on HAVE_AOUT - ---help--- - A.out (Assembler.OUTput) is a set of formats for libraries and - executables used in the earliest versions of UNIX. Linux used - the a.out formats QMAGIC and ZMAGIC until they were replaced - with the ELF format. - - The conversion to ELF started in 1995. This option is primarily - provided for historical interest and for the benefit of those - who need to run binaries from that era. - - Most people should answer N here. If you think you may have - occasional use for this format, enable module support above - and answer M here to compile this support as a module called - binfmt_aout. - - If any crucial components of your system (such as /sbin/init - or /lib/ld.so) are still in a.out format, you will have to - say Y here. - -config OSF4_COMPAT - bool "OSF/1 v4 readv/writev compatibility" - depends on ALPHA && BINFMT_AOUT - help - Say Y if you are using OSF/1 binaries (like Netscape and Acrobat) - with v4 shared libraries freely available from Compaq. If you're - going to use shared libraries from Tru64 version 5.0 or later, say N. - -config BINFMT_EM86 - tristate "Kernel support for Linux/Intel ELF binaries" - depends on ALPHA - ---help--- - Say Y here if you want to be able to execute Linux/Intel ELF - binaries just like native Alpha binaries on your Alpha machine. For - this to work, you need to have the emulator /usr/bin/em86 in place. - - You can get the same functionality by saying N here and saying Y to - "Kernel support for MISC binaries". - - You may answer M to compile the emulation support as a module and - later load the module when you want to use a Linux/Intel binary. The - module will be called binfmt_em86. If unsure, say Y. - -config BINFMT_SOM - tristate "Kernel support for SOM binaries" - depends on PARISC && HPUX - help - SOM is a binary executable format inherited from HP/UX. Say - Y here to be able to load and execute SOM binaries directly. - config BINFMT_MISC tristate "Kernel support for MISC binaries" - ---help--- + help If you say Y here, it will be possible to plug wrapper-driven binary formats into the kernel. You will like this especially when you use programs that need an interpreter to run like Java, Python, .NET or @@ -167,9 +156,9 @@ config BINFMT_MISC will automatically feed it to the correct interpreter. You can do other nice things, too. Read the file - <file:Documentation/binfmt_misc.txt> to learn how to use this - feature, <file:Documentation/java.txt> for information about how - to include Java support. and <file:Documentation/mono.txt> for + <file:Documentation/admin-guide/binfmt-misc.rst> to learn how to use this + feature, <file:Documentation/admin-guide/java.rst> for information about how + to include Java support. and <file:Documentation/admin-guide/mono.rst> for information about how to include Mono-based .NET support. To use binfmt_misc, you will need to mount it: @@ -186,3 +175,22 @@ config COREDUMP This option enables support for performing core dumps. You almost certainly want to say Y here. Not necessary on systems that never need debugging or only ever run flawless code. + +config EXEC_KUNIT_TEST + bool "Build execve tests" if !KUNIT_ALL_TESTS + depends on KUNIT=y + default KUNIT_ALL_TESTS + help + This builds the exec KUnit tests, which tests boundary conditions + of various aspects of the exec internals. + +config ARCH_HAS_ELF_CORE_EFLAGS + bool + depends on BINFMT_ELF && ELF_CORE + default n + help + Select this option if the architecture makes use of the e_flags + field in the ELF header to store ABI or other architecture-specific + information that should be preserved in core dumps. + +endmenu |