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ELF64 support (#220)

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* include: Introduce elf64.h and elf.h

    Added elf64.h for 64bit ELF support and moved common definitions
    from elf32.h to elf.h. Also introduced Elf_xxx to be used in
    common libraries such as binfmt.

  * binfmt, include, modlib, module: Add support for ELF64

    Elf_xxx must be used instead of Elf32_xxx to support ELF64.
    To use ELF64, CONFIG_ELF_64BIT must be enabled.

  * binfmt, modlib: Add support for relocate address

  * arch: risc-v: Add include/elf.h

  * libs: machine: Add risc-v related files.

    NOTE: Currently only supports ELF64

  * boards: maix-bit: Add elf and posix_spawn configurations

  * boards: maix-bit: Add support for module configuration
This commit is contained in:
Masayuki Ishikawa
2020-02-07 17:10:23 -06:00
committed by Gregory Nutt
parent e21c30cf9d
commit 81f1133174
40 changed files with 1847 additions and 300 deletions
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libs/libc/machine/Kconfig
+3
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@@ -153,6 +153,9 @@ config LIBM_ARCH_TRUNCF
if ARCH_ARM
source libs/libc/machine/arm/Kconfig
endif
if ARCH_RISCV
source libs/libc/machine/risc-v/Kconfig
endif
if ARCH_SIM
source libs/libc/machine/sim/Kconfig
endif