libc/elf: rename modlib to libelf

Renaming "modlib" to "libelf" is more in line with the implementation content,
which makes it easier for individual developers to understand the capabilities of this module.

CONFIG_LIBC_MODLIB -> CONFIG_LIBC_ELF

Signed-off-by: chao an <[email protected]>

Author: anchao

Documentation/applications/examples/elf/index.rst

@@ -54,9 +54,9 @@ options:
 
 6. Linker scripts. You might also want to use a linker scripts to combine
    sections better. An example linker script is at
-   ``nuttx/binfmt/libelf/gnu-elf.ld``. That example might have to be tuned for
+   ``nuttx/binfmt/elf/gnu-elf.ld``. That example might have to be tuned for
    your particular linker output to position additional sections correctly. The
    GNU LD ``LDELFFLAGS`` then might be::
 
-     LDELFFLAGS = -r -e main -T$(TOPDIR)/binfmt/libelf/gnu-elf.ld
+     LDELFFLAGS = -r -e main -T$(TOPDIR)/binfmt/elf/gnu-elf.ld
 

Documentation/applications/examples/module/index.rst

@@ -55,8 +55,8 @@ configuration options:
 
 6. Linker scripts. You might also want to use a linker scripts to combine
    sections better. An example linker script is at
-   ``nuttx/libc/modlib/gnu-elf.ld``. That example might have to be tuned for your
+   ``nuttx/libc/elf/gnu-elf.ld``. That example might have to be tuned for your
    particular linker output to position additional sections correctly. The GNU
    LD ``LDMODULEFLAGS`` then might be::
 
-     LDMODULEFLAGS = -r -e module_initialize -T$(TOPDIR)/libc/modlib/gnu-elf.ld
+     LDMODULEFLAGS = -r -e module_initialize -T$(TOPDIR)/libc/elf/gnu-elf.ld

Documentation/applications/examples/posix_spawn/index.rst

@@ -66,8 +66,8 @@ Test-specific configuration options:
 
 6. Linker scripts. You might also want to use a linker scripts to combine
    sections better. An example linker script is at
-   ``nuttx/binfmt/libelf/gnu-elf.ld``. That example might have to be tuned for
+   ``nuttx/binfmt/elf/gnu-elf.ld``. That example might have to be tuned for
    your particular linker output to position additional sections correctly. The
    GNU LD ``LDELFFLAGS`` then might be::
 
-     LDELFFLAGS = -r -e main -T$(TOPDIR)/binfmt/libelf/gnu-elf.ld
+     LDELFFLAGS = -r -e main -T$(TOPDIR)/binfmt/elf/gnu-elf.ld

Documentation/applications/examples/sotest/index.rst

@@ -53,8 +53,8 @@ system. At run time, the shared library is installed and exercised. Requires
 
 6. Linker scripts. You might also want to use a linker scripts to combine
    sections better. An example linker script is at
-   ``nuttx/libc/modlib/gnu-elf.ld``. That example might have to be tuned for your
+   ``nuttx/libc/elf/gnu-elf.ld``. That example might have to be tuned for your
    particular linker output to position additional sections correctly. The GNU
    LD ``LDMODULEFLAGS`` then might be::
 
-     LDMODULEFLAGS = -r -e module_initialize -T$(TOPDIR)/libc/modlib/gnu-elf.ld
+     LDMODULEFLAGS = -r -e module_initialize -T$(TOPDIR)/libc/elf/gnu-elf.ld

Documentation/components/libs/libc/index.rst

@@ -43,7 +43,7 @@ functions.  So we have::
   inttypes  - inttypes.h
   machine   - Various architecture-specific implementations.
   math      - math.h
-  modlib    - Part of module and shared library logic: nuttx/lib/modlib.h
+  elf    - Part of module and shared library logic: nuttx/lib/elf.h
   net       - Various network-related header files: netinet/ether.h, arpa/inet.h
   pthread   - pthread.h
   pwd       - pwd.h

Documentation/legacy_README.md

@@ -536,7 +536,7 @@ A macOS port is available at: <https://github.com/discoteq/flock>
 
   * Xcode (the native compiler and the rest of the toolchain)
 
-  * ELF toolchain (if you want to build modules for CONFIG_LIBC_MODLIB)
+  * ELF toolchain (if you want to build modules for CONFIG_LIBC_ELF)
 
     brew install x86_64-elf-gcc
 

Documentation/platforms/arm/samv7/boards/samv71-xult/README.txt

@@ -1819,10 +1819,10 @@ Configuration sub-directories
          CONFIG_FS_ROMFS=y
          CONFIG_LIBC_ARCH_ELF=y
          CONFIG_MODULE=y
-         CONFIG_LIBC_MODLIB=y
-         CONFIG_MODLIB_ALIGN_LOG2=2
-         CONFIG_MODLIB_BUFFERINCR=32
-         CONFIG_MODLIB_BUFFERSIZE=128
+         CONFIG_LIBC_ELF=y
+         CONFIG_LIBC_ELF_ALIGN_LOG2=2
+         CONFIG_LIBC_ELF_BUFFERINCR=32
+         CONFIG_LIBC_ELF_BUFFERSIZE=128
 
        Add the following for testing shared libraries in the FLAT
        build:

Documentation/platforms/arm/stm32f4/boards/olimex-stm32-p407/index.rst

@@ -389,11 +389,11 @@ the nsh configuration include these additions to the configuration file::
       CONFIG_FS_ROMFS=y
       CONFIG_LIBC_ARCH_ELF=y
       CONFIG_MODULE=y
-      CONFIG_LIBC_MODLIB=y
-      CONFIG_MODLIB_MAXDEPEND=2
-      CONFIG_MODLIB_ALIGN_LOG2=2
-      CONFIG_MODLIB_BUFFERSIZE=128
-      CONFIG_MODLIB_BUFFERINCR=32
+      CONFIG_LIBC_ELF=y
+      CONFIG_LIBC_ELF_MAXDEPEND=2
+      CONFIG_LIBC_ELF_ALIGN_LOG2=2
+      CONFIG_LIBC_ELF_BUFFERSIZE=128
+      CONFIG_LIBC_ELF_BUFFERINCR=32
 
 The could be followed may be added for testing shared libraries in the
 FLAT build using apps/examples/sotest (assuming that you also have SD
@@ -448,10 +448,10 @@ NOTES:
          CONFIG_FS_ROMFS=y
          CONFIG_LIBC_ARCH_ELF=y
          CONFIG_MODULE=y
-         CONFIG_LIBC_MODLIB=y
-         CONFIG_MODLIB_ALIGN_LOG2=2
-         CONFIG_MODLIB_BUFFERINCR=32
-         CONFIG_MODLIB_BUFFERSIZE=128
+         CONFIG_LIBC_ELF=y
+         CONFIG_LIBC_ELF_ALIGN_LOG2=2
+         CONFIG_LIBC_ELF_BUFFERINCR=32
+         CONFIG_LIBC_ELF_BUFFERSIZE=128
 
      Add the following for testing shared libraries in the FLAT
      build::

Documentation/platforms/arm/stm32f4/boards/stm32f4discovery/index.rst

@@ -1438,11 +1438,11 @@ other NSH configurations include these additions to the configuration file::
       CONFIG_FS_ROMFS=y
       CONFIG_LIBC_ARCH_ELF=y
       CONFIG_MODULE=y
-      CONFIG_LIBC_MODLIB=y
-      CONFIG_MODLIB_MAXDEPEND=2
-      CONFIG_MODLIB_ALIGN_LOG2=2
-      CONFIG_MODLIB_BUFFERSIZE=128
-      CONFIG_MODLIB_BUFFERINCR=32
+      CONFIG_LIBC_ELF=y
+      CONFIG_LIBC_ELF_MAXDEPEND=2
+      CONFIG_LIBC_ELF_ALIGN_LOG2=2
+      CONFIG_LIBC_ELF_BUFFERSIZE=128
+      CONFIG_LIBC_ELF_BUFFERINCR=32
 
 The could be followed may be added for testing shared libraries in the
 FLAT build using apps/examples/sotest (assuming that you also have SD

Documentation/platforms/sim/sim/boards/sim/index.rst

@@ -748,14 +748,14 @@ apps/interpreters/minibasic.
 module
 ------
 
-This is a configuration to test CONFIG_LIBC_MODLIB with 64-bit modules.
+This is a configuration to test CONFIG_LIBC_ELF with 64-bit modules.
 This has apps/examples/module enabled.
 This configuration is intended for 64-bit host OS.
 
 module32
 --------
 
-This is a configuration to test CONFIG_LIBC_MODLIB with CONFIG_SIM_M32
+This is a configuration to test CONFIG_LIBC_ELF with CONFIG_SIM_M32
 and 32-bit modules.
 This has apps/examples/module enabled.
 This configuration is intended for 64-bit host OS.
@@ -1353,14 +1353,14 @@ with an MTD RAM driver to simulate the FLASH part.
 sotest
 ------
 
-This is a configuration to test CONFIG_LIBC_MODLIB with 64-bit modules.
+This is a configuration to test CONFIG_LIBC_ELF with 64-bit modules.
 This has apps/examples/sotest enabled.
 This configuration is intended for 64-bit host OS.
 
 sotest32
 --------
 
-This is a configuration to test CONFIG_LIBC_MODLIB with CONFIG_SIM_M32
+This is a configuration to test CONFIG_LIBC_ELF with CONFIG_SIM_M32
 and 32-bit modules.
 This has apps/examples/sotest enabled.
 This configuration is intended for 64-bit host OS.