continuing loongarch port attempt

Change-Id: I918f6eee1edb27eca2e6edbb4463e918528cbd48

src/bfd/bfd-in.h

@@ -30,7 +30,14 @@ extern "C" {
 
 #include "ansidecl.h"
 #include "symcat.h"
+#include <stdint.h>
 #include <stdbool.h>
+#include <time.h>
+#include "diagnostics.h"
+#include <stdarg.h>
+#include <string.h>
+#include <sys/stat.h>
+
 #if defined(__STDC__) || defined(ALMOST_STDC) || defined(HAVE_STRINGIZE)
 # ifndef SABER
 /* This hack is to avoid a problem with some strict ANSI C preprocessors.

src/bfd/bfd-in2.h

@@ -38,7 +38,14 @@ extern "C" {
 
 #include "ansidecl.h"
 #include "symcat.h"
+#include <stdint.h>
 #include <stdbool.h>
+#include <time.h>
+#include "diagnostics.h"
+#include <stdarg.h>
+#include <string.h>
+#include <sys/stat.h>
+
 #if defined(__STDC__) || defined(ALMOST_STDC) || defined(HAVE_STRINGIZE)
 # ifndef SABER
 /* This hack is to avoid a problem with some strict ANSI C preprocessors.

src/bfd/elf-bfd.h

@@ -24,6 +24,8 @@
 
 #include "bfd.h"
 
+#include <stdlib.h>
+
 #include "elf/common.h"
 #include "elf/internal.h"
 #include "elf/external.h"
@@ -371,6 +373,7 @@ enum elf_target_id
   I386_ELF_DATA,
   IA64_ELF_DATA,
   LM32_ELF_DATA,
+  LARCH_ELF_DATA,
   M32R_ELF_DATA,
   M68HC11_ELF_DATA,
   M68K_ELF_DATA,

src/bfd/elf64-loongarch.c

@@ -30,6 +30,8 @@
 #include "elfxx-loongarch.h"
 #include "opcode/loongarch.h"
 
+#include <inttypes.h>
+
 static bool
 loongarch_info_to_howto_rela (bfd *abfd, arelent *cache_ptr,
 			      Elf_Internal_Rela *dst)

src/bfd/elfnn-loongarch.c

@@ -29,6 +29,8 @@
 #include "elfxx-loongarch.h"
 #include "opcode/loongarch.h"
 
+#include <inttypes.h>
+
 static bool
 loongarch_info_to_howto_rela (bfd *abfd, arelent *cache_ptr,
 			      Elf_Internal_Rela *dst)

src/include/diagnostics.h

@@ -0,0 +1,166 @@
+/* Copyright (C) 2017-2024 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef DIAGNOSTICS_H
+#define DIAGNOSTICS_H
+
+/* If at all possible, fix the source rather than using these macros
+   to silence warnings.  If you do use these macros be aware that
+   you'll need to condition their use on particular compiler versions,
+   which can be done for gcc using ansidecl.h's GCC_VERSION macro.
+
+   gcc versions between 4.2 and 4.6 do not allow pragma control of
+   diagnostics inside functions, giving a hard error if you try to use
+   the finer control available with later versions.
+   gcc prior to 4.2 warns about diagnostic push and pop.
+
+   The other macros have restrictions too, for example gcc-5, gcc-6
+   and gcc-7 warn that -Wstringop-truncation is unknown, unless you
+   also add DIAGNOSTIC_IGNORE ("-Wpragma").  */
+
+#ifdef __GNUC__
+# define DIAGNOSTIC_PUSH _Pragma ("GCC diagnostic push")
+# define DIAGNOSTIC_POP _Pragma ("GCC diagnostic pop")
+
+/* Stringification.  */
+# define DIAGNOSTIC_STRINGIFY_1(x) #x
+# define DIAGNOSTIC_STRINGIFY(x) DIAGNOSTIC_STRINGIFY_1 (x)
+
+# define DIAGNOSTIC_IGNORE(option) \
+  _Pragma (DIAGNOSTIC_STRINGIFY (GCC diagnostic ignored option))
+# define DIAGNOSTIC_ERROR(option) \
+  _Pragma (DIAGNOSTIC_STRINGIFY (GCC diagnostic error option))
+#else
+# define DIAGNOSTIC_PUSH
+# define DIAGNOSTIC_POP
+# define DIAGNOSTIC_IGNORE(option)
+#endif
+
+#if defined (__clang__) /* clang */
+
+# define DIAGNOSTIC_IGNORE_SELF_MOVE DIAGNOSTIC_IGNORE ("-Wself-move")
+# define DIAGNOSTIC_IGNORE_DEPRECATED_DECLARATIONS \
+  DIAGNOSTIC_IGNORE ("-Wdeprecated-declarations")
+# define DIAGNOSTIC_IGNORE_REGISTER DIAGNOSTIC_IGNORE ("-Wregister")
+
+# if __has_warning ("-Wenum-compare-switch")
+#  define DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES \
+   DIAGNOSTIC_IGNORE ("-Wenum-compare-switch")
+# endif
+
+# define DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL \
+  DIAGNOSTIC_IGNORE ("-Wformat-nonliteral")
+
+# if __has_warning ("-Wuser-defined-warnings")
+#  define DIAGNOSTIC_IGNORE_USER_DEFINED_WARNINGS \
+   DIAGNOSTIC_IGNORE ("-Wuser-defined-warnings")
+# endif
+
+# if __has_warning ("-Wunused-but-set-variable")
+#  define DIAGNOSTIC_IGNORE_UNUSED_BUT_SET_VARIABLE \
+   DIAGNOSTIC_IGNORE ("-Wunused-but-set-variable")
+# endif
+
+# define DIAGNOSTIC_ERROR_SWITCH \
+  DIAGNOSTIC_ERROR ("-Wswitch")
+
+# if __has_warning ("-Wenum-constexpr-conversion")
+#  define DIAGNOSTIC_IGNORE_ENUM_CONSTEXPR_CONVERSION \
+   DIAGNOSTIC_IGNORE ("-Wenum-constexpr-conversion")
+# endif
+
+#elif defined (__GNUC__) /* GCC */
+
+# define DIAGNOSTIC_IGNORE_DEPRECATED_DECLARATIONS \
+  DIAGNOSTIC_IGNORE ("-Wdeprecated-declarations")
+
+# if __GNUC__ >= 7
+#  define DIAGNOSTIC_IGNORE_REGISTER DIAGNOSTIC_IGNORE ("-Wregister")
+# endif
+
+# define DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION \
+  DIAGNOSTIC_IGNORE ("-Wstringop-truncation")
+
+# if __GNUC__ >= 11
+# define DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD \
+  DIAGNOSTIC_IGNORE ("-Wstringop-overread")
+#endif
+
+# define DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL \
+  DIAGNOSTIC_IGNORE ("-Wformat-nonliteral")
+
+# if __GNUC__ >= 5
+#  define DIAGNOSTIC_IGNORE_UNUSED_BUT_SET_VARIABLE \
+   DIAGNOSTIC_IGNORE ("-Wunused-but-set-variable")
+# endif
+
+# if __GNUC__ >= 13
+#  define DIAGNOSTIC_IGNORE_SELF_MOVE DIAGNOSTIC_IGNORE ("-Wself-move")
+# endif
+
+/* GCC 4.8's "diagnostic push/pop" seems broken when using this, -Wswitch
+   remains enabled at the error level even after a pop.  Therefore, don't
+   use it for GCC < 5.  */
+# if __GNUC__ >= 5
+#  define DIAGNOSTIC_ERROR_SWITCH DIAGNOSTIC_ERROR ("-Wswitch")
+# endif
+
+#endif
+
+#ifndef DIAGNOSTIC_IGNORE_SELF_MOVE
+# define DIAGNOSTIC_IGNORE_SELF_MOVE
+#endif
+
+#ifndef DIAGNOSTIC_IGNORE_DEPRECATED_DECLARATIONS
+# define DIAGNOSTIC_IGNORE_DEPRECATED_DECLARATIONS
+#endif
+
+#ifndef DIAGNOSTIC_IGNORE_REGISTER
+# define DIAGNOSTIC_IGNORE_REGISTER
+#endif
+
+#ifndef DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES
+# define DIAGNOSTIC_IGNORE_SWITCH_DIFFERENT_ENUM_TYPES
+#endif
+
+#ifndef DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION
+# define DIAGNOSTIC_IGNORE_STRINGOP_TRUNCATION
+#endif
+
+#ifndef DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD
+# define DIAGNOSTIC_IGNORE_STRINGOP_OVERREAD
+#endif
+
+#ifndef DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
+# define DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL
+#endif
+
+#ifndef DIAGNOSTIC_IGNORE_USER_DEFINED_WARNINGS
+# define DIAGNOSTIC_IGNORE_USER_DEFINED_WARNINGS
+#endif
+
+#ifndef DIAGNOSTIC_IGNORE_UNUSED_BUT_SET_VARIABLE
+# define DIAGNOSTIC_IGNORE_UNUSED_BUT_SET_VARIABLE
+#endif
+
+#ifndef DIAGNOSTIC_ERROR_SWITCH
+# define DIAGNOSTIC_ERROR_SWITCH
+#endif
+
+#ifndef DIAGNOSTIC_IGNORE_ENUM_CONSTEXPR_CONVERSION
+# define DIAGNOSTIC_IGNORE_ENUM_CONSTEXPR_CONVERSION
+#endif
+
+#endif /* DIAGNOSTICS_H */

src/include/symcat.h

@@ -30,6 +30,8 @@
 # define CONCAT2(a,b)	 a##b
 # define CONCAT3(a,b,c)	 a##b##c
 # define CONCAT4(a,b,c,d) a##b##c##d
+# define CONCAT5(a,b,c,d,e) a##b##c##d##e
+# define CONCAT6(a,b,c,d,e,f) a##b##c##d##e##f
 # define STRINGX(s) #s
 #else
 /* Note one should never pass extra whitespace to the CONCATn macros,
@@ -39,12 +41,16 @@
 # define CONCAT2(a,b)	 a/**/b
 # define CONCAT3(a,b,c)	 a/**/b/**/c
 # define CONCAT4(a,b,c,d) a/**/b/**/c/**/d
+# define CONCAT5(a,b,c,d,e) a/**/b/**/c/**/d/**/e
+# define CONCAT6(a,b,c,d,e,f) a/**/b/**/c/**/d/**/e/**/f
 # define STRINGX(s) "s"
 #endif /* __STDC__ || ALMOST_STDC || HAVE_STRINGIZE */
 
 #define XCONCAT2(a,b)     CONCAT2(a,b)
 #define XCONCAT3(a,b,c)   CONCAT3(a,b,c)
 #define XCONCAT4(a,b,c,d) CONCAT4(a,b,c,d)
+#define XCONCAT5(a,b,c,d,e) CONCAT5(a,b,c,d,e)
+#define XCONCAT6(a,b,c,d,e,f) CONCAT6(a,b,c,d,e,f)
 
 /* Note the layer of indirection here is typically used to allow
  * stringification of the expansion of macros.  I.e. "#define foo