Kernel+Libraries: Move defines and types from sys/auxv.h to Kernel/API

And don't include <sys/auxv.h> from LibELF/AuxiliaryVector.h, to reduce
the number of Kernel files that include LibC headers.

Kernel/API/POSIX/sys/auxv.h

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#define AT_NULL 0           /* No length, last entry's a_type has this value */
+#define AT_IGNORE 1         /* Entry has no meaning, a_un undefined */
+#define AT_EXECFD 2         /* a_val contains a file descriptor of the main program image */
+#define AT_PHDR 3           /* a_ptr contains pointer to program header table of main program image */
+#define AT_PHENT 4          /* a_val holds size of program header table entries */
+#define AT_PHNUM 5          /* a_val holds number of program header table entries */
+#define AT_PAGESZ 6         /* a_val gives system page size in bytes */
+#define AT_BASE 7           /* a_ptr holds base address that Loader was loaded into memory */
+#define AT_FLAGS 8          /* a_val holds 1 bit flags. Undefined flags are 0 */
+#define AT_ENTRY 9          /* a_ptr holds entry point of the main program */
+#define AT_NOTELF 10        /* a_val non-zero if the program is not ELF */
+#define AT_UID 11           /* a_val holds real user id of process */
+#define AT_EUID 12          /* a_val holds effective user id of process */
+#define AT_GID 13           /* a_val holds real group id of process */
+#define AT_EGID 14          /* a_val holds effective group id of process */
+#define AT_PLATFORM 15      /* a_val points to a string containing platform name */
+#define AT_HWCAP 16         /* a_val contains bitmask of CPU features. Equivalent to CPUID 1.EDX*/
+#define AT_CLKTCK 17        /* a_val contains frequency at which times() increments. (Re: Spec. What is times()?) */
+#define AT_SECURE 23        /* a_val holds 1 if program in secure mode (e.g. suid). Otherwise 0 */
+#define AT_BASE_PLATFORM 24 /* a_ptr points to a string identifying base platform name, which might be different from platform (e.g x86_64 when in i386 compat)  */
+#define AT_RANDOM 25        /* a_ptr points to 16 securely generated random bytes */
+#define AT_HWCAP2 26        /* a_val holds extended hw feature mask. Currently 0 */
+#define AT_EXECFN 31        /* a_ptr points to filename of executed program */
+#define AT_EXE_BASE 32      /* a_ptr holds base address where main program was loaded into memory */
+#define AT_EXE_SIZE 33      /* a_val holds the size of the main program in memory */
+
+/* Auxiliary Vector types, from Intel386 ABI ver 1.0 section 2.3.3 */
+typedef struct
+{
+    long a_type; /* Note: Extended to long from int, for ease of compatibility w/64 bit */
+    union {
+        long a_val;
+        void* a_ptr;
+        void (*a_fnc)(void); /* In spec, not used */
+    } a_un;
+} auxv_t;

Userland/Libraries/LibC/malloc.cpp

@@ -9,7 +9,6 @@
 #include <AK/Debug.h>
 #include <AK/ScopedValueRollback.h>
 #include <AK/Vector.h>
-#include <LibELF/AuxiliaryVector.h>
 #include <assert.h>
 #include <errno.h>
 #include <mallocdefs.h>

Userland/Libraries/LibC/stdlib.cpp

@@ -13,7 +13,6 @@
 #include <AK/StdLibExtras.h>
 #include <AK/Types.h>
 #include <AK/Utf8View.h>
-#include <LibELF/AuxiliaryVector.h>
 #include <alloca.h>
 #include <assert.h>
 #include <bits/pthread_cancel.h>
@@ -26,6 +25,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/auxv.h>
 #include <sys/internals.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>

Userland/Libraries/LibC/sys/auxv.h

@@ -6,47 +6,11 @@
 
 #pragma once
 
+#include <Kernel/API/POSIX/sys/auxv.h>
 #include <sys/cdefs.h>
 
 __BEGIN_DECLS
 
-#define AT_NULL 0           /* No length, last entry's a_type has this value */
-#define AT_IGNORE 1         /* Entry has no meaning, a_un undefined */
-#define AT_EXECFD 2         /* a_val contains a file descriptor of the main program image */
-#define AT_PHDR 3           /* a_ptr contains pointer to program header table of main program image */
-#define AT_PHENT 4          /* a_val holds size of program header table entries */
-#define AT_PHNUM 5          /* a_val holds number of program header table entries */
-#define AT_PAGESZ 6         /* a_val gives system page size in bytes */
-#define AT_BASE 7           /* a_ptr holds base address that Loader was loaded into memory */
-#define AT_FLAGS 8          /* a_val holds 1 bit flags. Undefined flags are 0 */
-#define AT_ENTRY 9          /* a_ptr holds entry point of the main program */
-#define AT_NOTELF 10        /* a_val non-zero if the program is not ELF */
-#define AT_UID 11           /* a_val holds real user id of process */
-#define AT_EUID 12          /* a_val holds effective user id of process */
-#define AT_GID 13           /* a_val holds real group id of process */
-#define AT_EGID 14          /* a_val holds effective group id of process */
-#define AT_PLATFORM 15      /* a_val points to a string containing platform name */
-#define AT_HWCAP 16         /* a_val contains bitmask of CPU features. Equivalent to CPUID 1.EDX*/
-#define AT_CLKTCK 17        /* a_val contains frequency at which times() increments. (Re: Spec. What is times()?) */
-#define AT_SECURE 23        /* a_val holds 1 if program in secure mode (e.g. suid). Otherwise 0 */
-#define AT_BASE_PLATFORM 24 /* a_ptr points to a string identifying base platform name, which might be different from platform (e.g x86_64 when in i386 compat)  */
-#define AT_RANDOM 25        /* a_ptr points to 16 securely generated random bytes */
-#define AT_HWCAP2 26        /* a_val holds extended hw feature mask. Currently 0 */
-#define AT_EXECFN 31        /* a_ptr points to filename of executed program */
-#define AT_EXE_BASE 32      /* a_ptr holds base address where main program was loaded into memory */
-#define AT_EXE_SIZE 33      /* a_val holds the size of the main program in memory */
-
-/* Auxiliary Vector types, from Intel386 ABI ver 1.0 section 2.3.3 */
-typedef struct
-{
-    long a_type; /* Note: Extended to long from int, for ease of compatibility w/64 bit */
-    union {
-        long a_val;
-        void* a_ptr;
-        void (*a_fnc)(void); /* In spec, not used */
-    } a_un;
-} auxv_t;
-
 long getauxval(long type);
 
 __END_DECLS

Userland/Libraries/LibELF/AuxiliaryVector.h

@@ -8,7 +8,7 @@
 
 #include <AK/StringView.h>
 #include <AK/Types.h>
-#include <sys/auxv.h>
+#include <Kernel/API/POSIX/sys/auxv.h>
 
 static_assert(sizeof(auxv_t) % sizeof(FlatPtr) == 0);