LibC+LibELF: Move ELF definitions from LibC to LibELF

This is needed to avoid including LibC headers in Lagom builds.
Unfortunately, we cannot rely on the build machine to provide a
fully POSIX-compatible ELF header for Lagom builds, so we have to
use our own.

Author: implicitfield

Kernel/Prekernel/init.cpp

@@ -11,7 +11,7 @@
 #include <Kernel/Memory/PhysicalAddress.h>
 #include <Kernel/Memory/VirtualAddress.h>
 #include <Kernel/Prekernel/Prekernel.h>
-#include <LibC/elf.h>
+#include <LibELF/ELFABI.h>
 #include <LibELF/Relocation.h>
 
 #if ARCH(X86_64)

Kernel/Tasks/Coredump.cpp

@@ -19,8 +19,8 @@
 #include <Kernel/Memory/ScopedAddressSpaceSwitcher.h>
 #include <Kernel/Tasks/Coredump.h>
 #include <Kernel/Tasks/Process.h>
-#include <LibC/elf.h>
 #include <LibELF/Core.h>
+#include <LibELF/ELFABI.h>
 
 #define INCLUDE_USERSPACE_HEAP_MEMORY_IN_COREDUMPS 0
 

Kernel/Tasks/Process.h

@@ -36,7 +36,7 @@
 #include <Kernel/Tasks/ProcessGroup.h>
 #include <Kernel/Tasks/Thread.h>
 #include <Kernel/UnixTypes.h>
-#include <LibC/elf.h>
+#include <LibELF/ELFABI.h>
 
 namespace Kernel {
 

Meta/check-style.py

@@ -24,7 +24,7 @@
     'AK/Checked.h',
     'AK/Function.h',
     'Userland/Libraries/LibJS/SafeFunction.h',
-    'Userland/Libraries/LibC/elf.h',
+    'Userland/Libraries/LibELF/ELFABI.h',
     'Userland/Libraries/LibCodeComprehension/Cpp/Tests/',
     'Userland/Libraries/LibCpp/Tests/parser/',
     'Userland/Libraries/LibCpp/Tests/preprocessor/'

Toolchain/BuildClang.sh

@@ -250,6 +250,7 @@ SRC_ROOT=$($REALPATH "$DIR"/..)
 FILES=$(find \
     "$SRC_ROOT"/Kernel/API \
     "$SRC_ROOT"/Userland/Libraries/LibC \
+    "$SRC_ROOT"/Userland/Libraries/LibELF/ELFABI.h \
     "$SRC_ROOT"/Userland/Libraries/LibRegex/RegexDefs.h \
     -name '*.h' -print)
 for arch in $ARCHS; do
@@ -260,6 +261,7 @@ for arch in $ARCHS; do
             target=$(echo "$header" | "$SED" \
                 -e "s|$SRC_ROOT/Userland/Libraries/LibC||" \
                 -e "s|$SRC_ROOT/Kernel/|Kernel/|" \
+                -e "s|$SRC_ROOT/Userland/Libraries/LibELF/|LibELF/|" \
                 -e "s|$SRC_ROOT/Userland/Libraries/LibRegex/|LibRegex/|")
             buildstep "system_headers" "$INSTALL" -D "$header" "Root/usr/include/$target"
         done

Toolchain/BuildGNU.sh

@@ -270,13 +270,15 @@ pushd "$DIR/Build/$ARCH"
             "$SRC_ROOT"/Kernel/API \
             "$SRC_ROOT"/Kernel/Arch \
             "$SRC_ROOT"/Userland/Libraries/LibC \
+            "$SRC_ROOT"/Userland/Libraries/LibELF/ELFABI.h \
             "$SRC_ROOT"/Userland/Libraries/LibRegex/RegexDefs.h \
             -name '*.h' -print)
         for header in $FILES; do
             target=$(echo "$header" | sed \
                 -e "s|$SRC_ROOT/AK/|AK/|" \
                 -e "s|$SRC_ROOT/Userland/Libraries/LibC||" \
                 -e "s|$SRC_ROOT/Kernel/|Kernel/|" \
+                -e "s|$SRC_ROOT/Userland/Libraries/LibELF/|LibELF/|" \
                 -e "s|$SRC_ROOT/Userland/Libraries/LibRegex/|LibRegex/|")
             buildstep "system_headers" mkdir -p "$(dirname "Root/usr/include/$target")"
             buildstep "system_headers" $INSTALL "$header" "Root/usr/include/$target"