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binfmt/elf: Allow the userspace ELF type to be defined by board configuration.

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This change allows boards to define an additional kconfig option, which specifies the final link format of application executables.

By selecting `CONFIG_BINFMT_ELF_RELOCATABLE`, and providing an appropriate linker script, applications can be fully linked, removing the need to process relocations.
This commit is contained in:
Stuart Ianna
2023-06-27 10:03:20 +10:00
committed by Xiang Xiao
parent 9bd1d5ddda
commit 6492f0172e
2 changed files with 23 additions and 0 deletions
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19
binfmt/Kconfig
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@@ -66,3 +66,22 @@ config BINFMT_CONSTRUCTORS
---help---
Built-in support for C++ constructors in loaded modules. Currently
only support for ELF binary formats.
choice
prompt "File output format"
default BINFMT_ELF_RELOCATABLE
---help---
Defines the type of ELF file produced by the NuttX build system.
config BINFMT_ELF_RELOCATABLE
bool "Relocatable ELF"
---help---
Produce a relocatable object as output. This is also known as partial linking.
config BINFMT_ELF_EXECUTABLE
bool "Executable ELF"
depends on ARCH_HAVE_ELF_EXECUTABLE
---help---
Produce a full linked executable object as output.
endchoice