Update copyright years.

[thirdparty/gcc.git] / gcc / config / arm / symbian.h

diff --git a/gcc/config/arm/symbian.h b/gcc/config/arm/symbian.h
index 47fe2cbba003fa031e5f84cd936c9b19366bd77a..6431d6161ea231d11c542b87c1fba684f4c32186 100644 (file)
--- a/gcc/config/arm/symbian.h
+++ b/gcc/config/arm/symbian.h
@@ -1,13 +1,12 @@
 /* Configuration file for Symbian OS on ARM processors.
-   Copyright (C) 2004
-   Free Software Foundation, Inc.
+   Copyright (C) 2004-2024 Free Software Foundation, Inc.
    Contributed by CodeSourcery, LLC   
 
    This file is part of GCC.
 
    GCC 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 2, or (at your
+   by the Free Software Foundation; either version 3, or (at your
    option) any later version.
 
    GCC is distributed in the hope that it will be useful, but WITHOUT
@@ -16,15 +15,14 @@
    License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with GCC; see the file COPYING.  If not, write to
-   the Free Software Foundation, 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   along with GCC; see the file COPYING3.  If not see
+   <http://www.gnu.org/licenses/>.  */
 
 /* Do not expand builtin functions (unless explicitly prefixed with
    "__builtin").  Symbian OS code relies on properties of the standard
    library that go beyond those guaranteed by the ANSI/ISO standard.
    For example, "memcpy" works even with overlapping memory, like
-   "memmove".  We cannot simply set flag_no_builtin in arm.c because
+   "memmove".  We cannot simply set flag_no_builtin in arm.cc because
    (a) flag_no_builtin is not declared in language-independent code,
    and (b) that would prevent users from explicitly overriding the
    default with -fbuiltin, which may sometimes be useful.
@@ -45,34 +43,53 @@
   "%{!fshort-wchar:%{!fno-short-wchar:-fshort-wchar}} "
 #define CC1PLUS_SPEC CC1_SPEC
 
-/* Symbian OS does not use crt0.o, unlike the generic unknown-elf
+/* Symbian OS does not use crt*.o, unlike the generic unknown-elf
    configuration.  */
 #undef STARTFILE_SPEC
-#define STARTFILE_SPEC "crti%O%s crtbegin%O%s"
+#define STARTFILE_SPEC ""
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC ""
+
+/* Do not link with any libraries by default.  On Symbian OS, the user
+   must supply all required libraries on the command line.  */
+#undef LIB_SPEC
+#define LIB_SPEC ""
 
 /* Support the "dllimport" attribute.  */
 #define TARGET_DLLIMPORT_DECL_ATTRIBUTES 1
 
-/* Symbian OS assumes ARM V5 or above.  Since -march=armv5 is
-   equivalent to making the ARM 10TDMI core the default, we can set
-   SUBTARGET_CPU_DEFAULT and get an equivalent effect.  */
-#undef SUBTARGET_CPU_DEFAULT
-#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
-
 /* The assembler should assume VFP FPU format, and armv5t.  */
 #undef SUBTARGET_ASM_FLOAT_SPEC
 #define SUBTARGET_ASM_FLOAT_SPEC \
   "%{!mfpu=*:-mfpu=vfp} %{!mcpu=*:%{!march=*:-march=armv5t}}"
   
-/* SymbianOS provides the BPABI routines in a separate library.
-   Therefore, we do not need to define any of them in libgcc.  */
-#undef RENAME_LIBRARY
-#define RENAME_LIBRARY(GCC_NAME, AEABI_NAME) /* empty */
-
 /* Define the __symbian__ macro.  */
-#define TARGET_OS_CPP_BUILTINS()               \
-  do                                           \
-    {                                          \
-      builtin_define ("__symbian__");          \
-    }                                          \
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS()                               \
+  do                                                           \
+    {                                                          \
+      /* Include the default BPABI stuff.  */                  \
+      TARGET_BPABI_CPP_BUILTINS ();                            \
+      /* Symbian OS does not support merging symbols across DLL        \
+        boundaries.  */                                        \
+      builtin_define ("__GXX_MERGED_TYPEINFO_NAMES=0");                \
+      builtin_define ("__symbian__");                          \
+    }                                                          \
   while (false)
+
+/* On SymbianOS, these sections are not writable, so we use "a",
+   rather than "aw", for the section attributes.  */
+#undef ARM_EABI_CTORS_SECTION_OP
+#define ARM_EABI_CTORS_SECTION_OP \
+  "\t.section\t.init_array,\"a\",%init_array"
+#undef ARM_EABI_DTORS_SECTION_OP
+#define ARM_EABI_DTORS_SECTION_OP \
+  "\t.section\t.fini_array,\"a\",%fini_array"
+
+/* SymbianOS cannot merge entities with vague linkage at runtime.  */
+#define TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P false
+
+#define TARGET_DEFAULT_WORD_RELOCATIONS 1
+
+#define ARM_TARGET2_DWARF_FORMAT DW_EH_PE_absptr