Update copyright years.

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

diff --git a/gcc/config/arm/elf.h b/gcc/config/arm/elf.h
index 65bd00fdc3cc64b827361a98bb093d449efd1a2d..ba530e8a56bb8f02315e53093c0c7df139104f68 100644 (file)
--- a/gcc/config/arm/elf.h
+++ b/gcc/config/arm/elf.h
@@ -1,7 +1,6 @@
 /* Definitions of target machine for GNU compiler.
    For ARM with ELF obj format.
-   Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2004, 2005, 2007
-   Free Software Foundation, Inc.
+   Copyright (C) 1995-2020 Free Software Foundation, Inc.
    Contributed by Philip Blundell <philb@gnu.org> and
    Catherine Moore <clm@cygnus.com>
    
@@ -17,8 +16,13 @@
    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 GCC; see the file COPYING3.  If not see
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    <http://www.gnu.org/licenses/>.  */
 
 #ifndef OBJECT_FORMAT_ELF
@@ -36,7 +40,8 @@
 #ifndef SUBTARGET_EXTRA_SPECS
 #define SUBTARGET_EXTRA_SPECS \
   { "subtarget_extra_asm_spec",        SUBTARGET_EXTRA_ASM_SPEC }, \
-  { "subtarget_asm_float_spec", SUBTARGET_ASM_FLOAT_SPEC },
+  { "subtarget_asm_float_spec", SUBTARGET_ASM_FLOAT_SPEC }, \
+  SUBSUBTARGET_EXTRA_SPECS
 #endif
 
 #ifndef SUBTARGET_EXTRA_ASM_SPEC
@@ -48,17 +53,18 @@
 %{mapcs-float:-mfloat}"
 #endif
 
+#undef SUBSUBTARGET_EXTRA_SPECS
+#define SUBSUBTARGET_EXTRA_SPECS
+
 #ifndef ASM_SPEC
 #define ASM_SPEC "\
 %{mbig-endian:-EB} \
 %{mlittle-endian:-EL} \
-%{mcpu=*:-mcpu=%*} \
-%{march=*:-march=%*} \
+%(asm_cpu_spec) \
 %{mapcs-*:-mapcs-%*} \
 %(subtarget_asm_float_spec) \
 %{mthumb-interwork:-mthumb-interwork} \
-%{msoft-float:-mfloat-abi=soft} %{mhard-float:-mfloat-abi=hard} \
-%{mfloat-abi=*} %{mfpu=*} \
+%{mfloat-abi=*} %{!mfpu=auto: %{mfpu=*}} \
 %(subtarget_extra_asm_spec)"
 #endif
 
@@ -69,16 +75,7 @@
 
 /* We might need a ARM specific header to function declarations.  */
 #undef  ASM_DECLARE_FUNCTION_NAME
-#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)            \
-  do                                                           \
-    {                                                          \
-      ARM_DECLARE_FUNCTION_NAME (FILE, NAME, DECL);            \
-      ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "function");      \
-      ASM_DECLARE_RESULT (FILE, DECL_RESULT (DECL));           \
-      ASM_OUTPUT_LABEL(FILE, NAME);                            \
-      ARM_OUTPUT_FN_UNWIND (FILE, TRUE);                       \
-    }                                                          \
-  while (0)
+#define ASM_DECLARE_FUNCTION_NAME arm_asm_declare_function_name
 
 /* We might need an ARM specific trailer for function declarations.  */
 #undef  ASM_DECLARE_FUNCTION_SIZE
@@ -96,28 +93,21 @@
    Otherwise, the readonly data section is used.  */
 /* We put ARM and Thumb-2 jump tables in the text section, because it makes
    the code more efficient, but for Thumb-1 it's better to put them out of
-   band.  */
-#define JUMP_TABLES_IN_TEXT_SECTION (TARGET_32BIT)
+   band unless we are generating compressed tables.  */
+#define JUMP_TABLES_IN_TEXT_SECTION                                    \
+   ((TARGET_32BIT || (TARGET_THUMB && (optimize_size || flag_pic))) \
+    && !target_pure_code)
 
 #ifndef LINK_SPEC
 #define LINK_SPEC "%{mbig-endian:-EB} %{mlittle-endian:-EL} -X"
 #endif
   
 /* Run-time Target Specification.  */
-#ifndef TARGET_VERSION
-#define TARGET_VERSION fputs (" (ARM/elf)", stderr)
-#endif
-
 #ifndef TARGET_DEFAULT
 #define TARGET_DEFAULT (MASK_APCS_FRAME)
 #endif
 
-#ifndef MULTILIB_DEFAULTS
-#define MULTILIB_DEFAULTS \
-  { "marm", "mlittle-endian", "msoft-float", "mno-thumb-interwork", "fno-leading-underscore" }
-#endif
 \f
-#define TARGET_ASM_FILE_START_APP_OFF true
 #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
 \f
 
@@ -145,3 +135,18 @@
     }                                                  \
   while (0)
 
+/* Horrible hack: We want to prevent some libgcc routines being included
+   for some multilibs.  The condition should match the one in
+   libgcc/config/arm/lib1funcs.S and libgcc/config/arm/t-elf.  */
+#if __ARM_ARCH_ISA_ARM || __ARM_ARCH_ISA_THUMB != 1
+#undef L_fixdfsi
+#undef L_fixunsdfsi
+#undef L_truncdfsf2
+#undef L_fixsfsi
+#undef L_fixunssfsi
+#undef L_floatdidf
+#undef L_floatdisf
+#undef L_floatundidf
+#undef L_floatundisf
+#endif
+