Ticket #1765: arm_v1.patch

gcc/config.gcc

@@ -895 +895 @@
         tmake_file="${tmake_file} arm/t-arm-softfp soft-fp/t-softfp"
         ;;
 arm*-*-rtems*)
-        tm_file="dbxelf.h elfos.h arm/unknown-elf.h arm/elf.h arm/aout.h arm/arm.h arm/rtems-elf.h rtems.h newlib-stdint.h"
-        tmake_file="arm/t-arm arm/t-arm-elf t-rtems arm/t-rtems"
+        need_64bit_hwint=yes
+        default_use_cxa_atexit=yes
+        tm_file="dbxelf.h elfos.h arm/unknown-elf.h arm/elf.h arm/bpabi.h"
+        tm_file="$tm_file ../../libgcc/config/arm/bpabi-lib.h"
+        tm_file="${tm_file} rtems.h arm/rtems-elf.h newlib-stdint.h"
+        tm_file="${tm_file} arm/aout.h arm/arm.h"
+        tmake_file="arm/t-arm arm/t-arm-elf"
+        tmake_file="${tmake_file} arm/t-bpabi t-rtems arm/t-rtems"
         tmake_file="${tmake_file} arm/t-arm-softfp soft-fp/t-softfp"
         ;;
 arm*-*-elf)

gcc/config/arm/rtems-elf.h

@@ -23 +23 @@
 
 #define HAS_INIT_SECTION
 
+#undef TARGET_OS_CPP_BUILTINS
 #define TARGET_OS_CPP_BUILTINS()                \
     do {                                        \
         builtin_define ("__rtems__");           \
-        builtin_define ("__USE_INIT_FINI__");   \
         builtin_assert ("system=rtems");        \
+        TARGET_BPABI_CPP_BUILTINS();            \
     } while (0)
-
-/*
- * The default in gcc now is soft-float, but gcc misses it to 
- * pass it to the assembler.
- */
-#undef SUBTARGET_EXTRA_ASM_SPEC
-#define SUBTARGET_EXTRA_ASM_SPEC "\
-  %{!mhard-float: %{!msoft-float:-mfpu=softfpa}}"
-
-/*
- *  The default includes --start-group and --end-group which conflicts
- *  with how this used to be defined.
- */
-#undef LINK_GCC_C_SEQUENCE_SPEC

gcc/config/arm/t-rtems

@@ -1 +1 @@
 # Custom rtems multilibs
 
-MULTILIB_OPTIONS     = marm/mthumb
-MULTILIB_DIRNAMES    = arm thumb
-MULTILIB_EXCEPTIONS  = 
-MULTILIB_MATCHES     = marm=mno-thumb
-
-MULTILIB_OPTIONS    += msoft-float/mhard-float
-MULTILIB_DIRNAMES   += soft fpu
-MULTILIB_EXCEPTIONS += *mthumb/*mhard-float*
+MULTILIB_OPTIONS    = mthumb march=armv6-m/march=armv7/march=armv7-m
+MULTILIB_DIRNAMES   = thumb armv6-m armv7 armv7-m
+MULTILIB_EXCEPTIONS = march=armv6-m march=armv7 march=armv7-m
+MULTILIB_MATCHES    = marm=mno-thumb