config.host (bfin*-linux-uclibc*): Set extra_parts.

libgcc/:
	* config.host (bfin*-linux-uclibc*): Set extra_parts.
gcc/:
	* config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
	(bfin*-linux-uclibc*): New configuration.
	* config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
	defining.
	* config/bfin/linux.h: New file.
	* config/bfin/libgcc-bfin.ver: New file.
	* config/bfin/t-bfin-uclinux: New file.
	* config/bfin/t-bfin-linux: New file.
	* config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
	(TARGET_OS_CPP_BUILTINS): New macro.

From-SVN: r122552

5 files changed, 433 insertions, 0 deletions

diff --git a/gcc/config/bfin/libgcc-bfin.ver b/gcc/config/bfin/libgcc-bfin.ver
new file mode 100644
index 00000000000..1afb78e9c82
--- /dev/null
+++ b/gcc/config/bfin/libgcc-bfin.ver
@@ -0,0 +1,285 @@
+GCC_3.0 {
+  # libgcc1 integer symbols
+  ___absvsi2
+  ___addvsi3
+  ___ashlsi3
+  ___ashrsi3
+  ___divsi3
+  ___lshrsi3
+  ___modsi3
+  ___mulsi3
+  ___mulvsi3
+  ___negvsi2
+  ___subvsi3
+  ___udivsi3
+  ___umodsi3
+
+  # libgcc1 floating point symbols
+  ___addsf3
+  ___adddf3
+  ___addxf3
+  ___addtf3
+  ___divsf3
+  ___divdf3
+  ___divxf3
+  ___divtf3
+  ___eqsf2
+  ___eqdf2
+  ___eqxf2
+  ___eqtf2
+  ___extenddfxf2
+  ___extenddftf2
+  ___extendsfdf2
+  ___extendsfxf2
+  ___extendsftf2
+  ___fixsfsi
+  ___fixdfsi
+  ___fixxfsi
+  ___fixtfsi
+  ___floatsisf
+  ___floatsidf
+  ___floatsixf
+  ___floatsitf
+  ___gesf2
+  ___gedf2
+  ___gexf2
+  ___getf2
+  ___gtsf2
+  ___gtdf2
+  ___gtxf2
+  ___gttf2
+  ___lesf2
+  ___ledf2
+  ___lexf2
+  ___letf2
+  ___ltsf2
+  ___ltdf2
+  ___ltxf2
+  ___lttf2
+  ___mulsf3
+  ___muldf3
+  ___mulxf3
+  ___multf3
+  ___negsf2
+  ___negdf2
+  ___negxf2
+  ___negtf2
+  ___nesf2
+  ___nedf2
+  ___nexf2
+  ___netf2
+  ___subsf3
+  ___subdf3
+  ___subxf3
+  ___subtf3
+  ___truncdfsf2
+  ___truncxfsf2
+  ___trunctfsf2
+  ___truncxfdf2
+  ___trunctfdf2
+
+  # libgcc2 DImode arithmetic (for 32-bit targets).
+  ___absvdi2
+  ___addvdi3
+  ___ashldi3
+  ___ashrdi3
+  ___cmpdi2
+  ___divdi3
+  ___ffsdi2
+  ___fixdfdi
+  ___fixsfdi
+  ___fixtfdi
+  ___fixxfdi
+  ___fixunsdfdi
+  ___fixunsdfsi
+  ___fixunssfsi
+  ___fixunssfdi
+  ___fixunstfdi
+  ___fixunstfsi
+  ___fixunsxfdi
+  ___fixunsxfsi
+  ___floatdidf
+  ___floatdisf
+  ___floatdixf
+  ___floatditf
+  ___lshrdi3
+  ___moddi3
+  ___muldi3
+  ___mulvdi3
+  ___negdi2
+  ___negvdi2
+  ___subvdi3
+  ___ucmpdi2
+  ___udivdi3
+  ___udivmoddi4
+  ___umoddi3
+
+  # libgcc2 TImode arithmetic (for 64-bit targets).
+  ___ashlti3
+  ___ashrti3
+  ___cmpti2
+  ___divti3
+  ___ffsti2
+  ___fixdfti
+  ___fixsfti
+  ___fixtfti
+  ___fixxfti
+  ___lshrti3
+  ___modti3
+  ___multi3
+  ___negti2
+  ___ucmpti2
+  ___udivmodti4
+  ___udivti3
+  ___umodti3
+  ___fixunsdfti
+  ___fixunssfti
+  ___fixunstfti
+  ___fixunsxfti
+  ___floattidf
+  ___floattisf
+  ___floattixf
+  ___floattitf
+
+  # Used to deal with trampoline initialization on some platforms
+  ___clear_cache
+
+  # EH symbols
+  __Unwind_DeleteException
+  __Unwind_Find_FDE
+  __Unwind_ForcedUnwind
+  __Unwind_GetGR
+  __Unwind_GetIP
+  __Unwind_GetLanguageSpecificData
+  __Unwind_GetRegionStart
+  __Unwind_GetTextRelBase
+  __Unwind_GetDataRelBase
+  __Unwind_RaiseException
+  __Unwind_Resume
+  __Unwind_SetGR
+  __Unwind_SetIP
+  ___deregister_frame
+  ___deregister_frame_info
+  ___deregister_frame_info_bases
+  ___register_frame
+  ___register_frame_info
+  ___register_frame_info_bases
+  ___register_frame_info_table
+  ___register_frame_info_table_bases
+  ___register_frame_table
+
+  # SjLj EH symbols
+  __Unwind_SjLj_Register
+  __Unwind_SjLj_Unregister
+  __Unwind_SjLj_RaiseException
+  __Unwind_SjLj_ForcedUnwind
+  __Unwind_SjLj_Resume
+}
+
+%inherit GCC_3.3 GCC_3.0
+GCC_3.3 {
+  __Unwind_FindEnclosingFunction
+  __Unwind_GetCFA
+  __Unwind_Backtrace
+  __Unwind_Resume_or_Rethrow
+  __Unwind_SjLj_Resume_or_Rethrow
+}
+
+%inherit GCC_3.3.1 GCC_3.3
+GCC_3.3.1 {
+  ___gcc_personality_sj0
+  ___gcc_personality_v0
+}
+
+%inherit GCC_3.3.2 GCC_3.3.1
+GCC_3.3.2 {
+}
+%inherit GCC_3.3.4 GCC_3.3.2
+GCC_3.3.4 {
+  ___unorddf2
+  ___unordsf2
+}
+
+%inherit GCC_3.4 GCC_3.3.4
+GCC_3.4 {
+  # bit scanning and counting built-ins
+  ___clzsi2
+  ___clzdi2
+  ___clzti2
+  ___ctzsi2
+  ___ctzdi2
+  ___ctzti2
+  ___popcountsi2
+  ___popcountdi2
+  ___popcountti2
+  ___paritysi2
+  ___paritydi2
+  ___parityti2
+}
+
+%inherit GCC_3.4.2 GCC_3.4
+GCC_3.4.2 {
+  # Used to deal with trampoline initialization on some platforms
+  ___enable_execute_stack
+  ___trampoline_setup
+}
+
+%inherit GCC_3.4.4 GCC_3.4.2
+GCC_3.4.4 {
+  # libgcc2 TImode arithmetic (for 64-bit targets).
+  ___absvti2
+  ___addvti3
+  ___mulvti3
+  ___negvti2
+  ___subvti3
+}
+
+%inherit GCC_4.0.0 GCC_3.4.4
+GCC_4.0.0 {
+  # libgcc2 ___builtin_powi helpers.
+  ___powisf2
+  ___powidf2
+  ___powixf2
+  ___powitf2
+
+  # c99 compliant complex arithmetic
+  ___divsc3
+  ___divdc3
+  ___divxc3
+  ___divtc3
+  ___mulsc3
+  ___muldc3
+  ___mulxc3
+  ___multc3
+}
+
+%inherit GCC_4.1.0 GCC_4.0.0
+GCC_4.1.0 {
+}
+
+%inherit GCC_4.2.0 GCC_4.1.0
+GCC_4.2.0 {
+  # unsigned-to-floating conversions
+  ___floatunsisf
+  ___floatunsidf
+  ___floatunsixf
+  ___floatunsitf
+  ___floatundidf
+  ___floatundisf
+  ___floatundixf
+  ___floatunditf
+  ___floatuntidf
+  ___floatuntisf
+  ___floatuntixf
+  ___floatuntitf
+  __Unwind_GetIPInfo
+}
+
+%inherit GCC_4.3.0 GCC_4.2.0
+GCC_4.3.0 {
+  # byte swapping routines
+  ___bswapsi2
+  ___bswapdi2
+  ___emutls_get_address
+  ___emutls_register_common
+}
diff --git a/gcc/config/bfin/linux.h b/gcc/config/bfin/linux.h
new file mode 100644
index 00000000000..d391cd0a1fe
--- /dev/null
+++ b/gcc/config/bfin/linux.h
@@ -0,0 +1,49 @@
+#undef SUBTARGET_DRIVER_SELF_SPECS
+#define SUBTARGET_DRIVER_SELF_SPECS \
+  "%{!mno-fdpic:-mfdpic}",
+
+/* The GNU C++ standard library requires that these macros be defined.  */
+#undef CPLUSPLUS_CPP_SPEC
+#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
+
+#ifdef __BFIN_FDPIC__
+#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC)	\
+asm (SECTION_OP); \
+asm ("P3 = [SP + 20];\n\tcall " USER_LABEL_PREFIX #FUNC ";"); \
+asm (TEXT_SECTION_ASM_OP);
+#endif
+
+#define NO_IMPLICIT_EXTERN_C
+
+#undef TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+      LINUX_TARGET_OS_CPP_BUILTINS();		\
+      if (flag_pic)				\
+	{					\
+	  builtin_define ("__PIC__");		\
+	  builtin_define ("__pic__");		\
+	}					\
+    }						\
+  while (0)
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC \
+  "%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} crtreloc.o%s \
+   crti.o%s %{shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+
+#undef LINK_GCC_C_SEQUENCE_SPEC
+#define LINK_GCC_C_SEQUENCE_SPEC \
+  "%{mfast-fp:-lbffastfp} %{static:--start-group} %G %L %{static:--end-group}%{!static:%G}"
+
+#undef LINK_SPEC
+#define LINK_SPEC "\
+  %{mfdpic: -m elf32bfinfd -z text} %{shared} %{pie} \
+  %{static:-dn -Bstatic} \
+  %{shared:-G -Bdynamic} \
+  %{!shared: %{!static: \
+   %{rdynamic:-export-dynamic} \
+   %{!dynamic-linker:-dynamic-linker /lib/ld-uClibc.so.0}} \
+   %{static}} -init __init -fini __fini"
+
diff --git a/gcc/config/bfin/t-bfin-linux b/gcc/config/bfin/t-bfin-linux
new file mode 100644
index 00000000000..249e1159ffa
--- /dev/null
+++ b/gcc/config/bfin/t-bfin-linux
@@ -0,0 +1,34 @@
+## Target part of the Makefile
+
+LIB1ASMSRC = bfin/lib1funcs.asm
+LIB1ASMFUNCS = _divsi3 _udivsi3 _umodsi3 _modsi3 _umulsi3_highpart
+LIB1ASMFUNCS += _smulsi3_highpart
+
+EXTRA_PARTS = crtbegin.o crtend.o crtbeginS.o crtendS.o
+
+FPBIT = fp-bit.c
+DPBIT = dp-bit.c
+
+dp-bit.c: $(srcdir)/config/fp-bit.c
+	cat $(srcdir)/config/fp-bit.c > dp-bit.c
+
+fp-bit.c: $(srcdir)/config/fp-bit.c
+	echo '#define FLOAT' > fp-bit.c
+	cat $(srcdir)/config/fp-bit.c >> fp-bit.c
+
+CRTSTUFF_T_CFLAGS = -fpic
+TARGET_LIBGCC2_CFLAGS = -fpic
+
+# Assemble startup files.
+$(T)crti.o: $(srcdir)/config/bfin/crti.s $(GCC_PASSES)
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+	-c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/bfin/crti.s
+
+$(T)crtn.o: $(srcdir)/config/bfin/crtn.s $(GCC_PASSES)
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+	-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/bfin/crtn.s
+
+EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crtbeginS.o crtendS.o
+
+SHLIB_MAPFILES=$(srcdir)/config/bfin/libgcc-bfin.ver
+
diff --git a/gcc/config/bfin/t-bfin-uclinux b/gcc/config/bfin/t-bfin-uclinux
new file mode 100644
index 00000000000..5d2bfea1f67
--- /dev/null
+++ b/gcc/config/bfin/t-bfin-uclinux
@@ -0,0 +1,43 @@
+## Target part of the Makefile
+
+LIB1ASMSRC = bfin/lib1funcs.asm
+LIB1ASMFUNCS = _divsi3 _udivsi3 _umodsi3 _modsi3 _umulsi3_highpart
+LIB1ASMFUNCS += _smulsi3_highpart
+
+EXTRA_PARTS = crtbegin.o crtend.o crtbeginS.o crtendS.o crti.o crtn.o crtlibid.o
+
+FPBIT = fp-bit.c
+DPBIT = dp-bit.c
+
+dp-bit.c: $(srcdir)/config/fp-bit.c
+	cat $(srcdir)/config/fp-bit.c > dp-bit.c
+
+fp-bit.c: $(srcdir)/config/fp-bit.c
+	echo '#define FLOAT' > fp-bit.c
+	cat $(srcdir)/config/fp-bit.c >> fp-bit.c
+
+CRTSTUFF_T_CFLAGS = -fpic
+TARGET_LIBGCC2_CFLAGS = -fpic
+
+MULTILIB_OPTIONS=mid-shared-library mleaf-id-shared-library
+MULTILIB_OPTIONS+=msep-data
+MULTILIB_DEFAULTS=
+MULTILIB_DIRNAMES=
+MULTILIB_EXCEPTIONS=mleaf-id-shared-library*
+MULTILIB_EXCEPTIONS+=*msep-data*
+
+# Assemble startup files.
+$(T)crti.o: $(srcdir)/config/bfin/crti.s $(GCC_PASSES)
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+	-c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/bfin/crti.s
+
+$(T)crtn.o: $(srcdir)/config/bfin/crtn.s $(GCC_PASSES)
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+	-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/bfin/crtn.s
+
+$(T)crtlibid.o: $(srcdir)/config/bfin/crtlibid.s $(GCC_PASSES)
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+	-c -o $(T)crtlibid.o -x assembler-with-cpp \
+	$(srcdir)/config/bfin/crtlibid.s
+
+EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crtbeginS.o crtendS.o crti.o crtn.o crtlibid.o
diff --git a/gcc/config/bfin/uclinux.h b/gcc/config/bfin/uclinux.h
index 57e062dd68e..0678e91d14b 100644
--- a/gcc/config/bfin/uclinux.h
+++ b/gcc/config/bfin/uclinux.h
@@ -21,3 +21,25 @@ asm (TEXT_SECTION_ASM_OP);
 #endif
 
 #define NO_IMPLICIT_EXTERN_C
+
+#define LINUX_TARGET_OS_CPP_BUILTINS()				\
+    do {							\
+	builtin_define ("__gnu_linux__");			\
+	builtin_define_std ("linux");				\
+	builtin_define_std ("unix");				\
+	builtin_assert ("system=linux");			\
+	builtin_assert ("system=unix");				\
+	builtin_assert ("system=posix");			\
+    } while (0)
+
+#define TARGET_OS_CPP_BUILTINS()		\
+  do						\
+    {						\
+	LINUX_TARGET_OS_CPP_BUILTINS();		\
+	if (flag_pic)				\
+	  {					\
+	    builtin_define ("__PIC__");		\
+	    builtin_define ("__pic__");		\
+	  }					\
+    }						\
+  while (0)