[libc] Add proxy header for ENTRY type. (#139746)

#139561

Author: lntue

libc/fuzzing/__support/CMakeLists.txt

@@ -19,6 +19,7 @@ add_libc_fuzzer(
   SRCS
     hashtable_fuzz.cpp
   DEPENDS
+    libc.hdr.types.ENTRY
     libc.src.__support.HashTable.table
   COMPILE_OPTIONS
     -D__LIBC_EXPLICIT_SIMD_OPT

libc/fuzzing/__support/hashtable_fuzz.cpp

@@ -9,7 +9,7 @@
 /// Fuzzing test for llvm-libc hashtable implementations.
 ///
 //===----------------------------------------------------------------------===//
-#include "include/llvm-libc-types/ENTRY.h"
+#include "hdr/types/ENTRY.h"
 #include "src/__support/CPP/bit.h"
 #include "src/__support/CPP/string_view.h"
 #include "src/__support/HashTable/table.h"

libc/hdr/types/CMakeLists.txt

@@ -374,3 +374,12 @@ add_proxy_header_library(
   FULL_BUILD_DEPENDS
     libc.include.llvm-libc-types.cpu_set_t
 )
+
+add_proxy_header_library(
+  ENTRY
+  HDRS
+    ENTRY.h
+  FULL_BUILD_DEPENDS
+    libc.include.llvm-libc-types.ENTRY
+    libc.include.search
+)

libc/hdr/types/ENTRY.h

@@ -0,0 +1,22 @@
+//===-- Proxy header for ENTRY --------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_HDR_TYPES_ENTRY_H
+#define LLVM_LIBC_HDR_TYPES_ENTRY_H
+
+#ifdef LIBC_FULL_BUILD
+
+#include "include/llvm-libc-types/ENTRY.h"
+
+#else // Overlay mode
+
+#include <search.h>
+
+#endif // LLVM_LIBC_FULL_BUILD
+
+#endif // LLVM_LIBC_HDR_TYPES_ENTRY_H

libc/src/__support/HashTable/CMakeLists.txt

@@ -25,7 +25,7 @@ add_header_library(
     table.h
   DEPENDS
     .bitmask
-    libc.include.llvm-libc-types.ENTRY
+    libc.hdr.types.ENTRY
     libc.src.__support.CPP.bit
     libc.src.__support.CPP.new
     libc.src.__support.hash

libc/src/__support/HashTable/table.h

@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_SRC___SUPPORT_HASHTABLE_TABLE_H
 #define LLVM_LIBC_SRC___SUPPORT_HASHTABLE_TABLE_H
 
-#include "include/llvm-libc-types/ENTRY.h"
+#include "hdr/types/ENTRY.h"
 #include "src/__support/CPP/bit.h" // bit_ceil
 #include "src/__support/CPP/new.h"
 #include "src/__support/HashTable/bitmask.h"

libc/src/search/CMakeLists.txt

@@ -34,11 +34,11 @@ add_entrypoint_object(
   HDRS
     hsearch.h
   DEPENDS
+    libc.hdr.types.ENTRY
     libc.src.search.hsearch.global
     libc.src.__support.HashTable.table
     libc.src.__support.HashTable.randomness
     libc.src.errno.errno
-    libc.include.search
 )
 
 add_entrypoint_object(
@@ -48,9 +48,9 @@ add_entrypoint_object(
   HDRS
     hsearch_r.h
   DEPENDS
+    libc.hdr.types.ENTRY
     libc.src.__support.HashTable.table
     libc.src.errno.errno
-    libc.include.search
 )
 
 add_entrypoint_object(

libc/src/search/hsearch.h

@@ -9,8 +9,9 @@
 #ifndef LLVM_LIBC_SRC_SEARCH_HSEARCH_H
 #define LLVM_LIBC_SRC_SEARCH_HSEARCH_H
 
+#include "hdr/types/ENTRY.h"
 #include "src/__support/macros/config.h"
-#include <search.h> // ENTRY, ACTION
+#include <search.h> // ACTION
 
 namespace LIBC_NAMESPACE_DECL {
 ENTRY *hsearch(ENTRY item, ACTION action);

libc/src/search/hsearch_r.h

@@ -9,8 +9,9 @@
 #ifndef LLVM_LIBC_SRC_SEARCH_HSEARCH_R_H
 #define LLVM_LIBC_SRC_SEARCH_HSEARCH_R_H
 
+#include "hdr/types/ENTRY.h"
 #include "src/__support/macros/config.h"
-#include <search.h> // ENTRY, ACTION
+#include <search.h> // ACTION
 
 namespace LIBC_NAMESPACE_DECL {
 int hsearch_r(ENTRY item, ACTION action, ENTRY **retval,