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authorJing Yu <jingyu@google.com>2009-11-05 15:11:04 -0800
committerJing Yu <jingyu@google.com>2009-11-05 15:11:04 -0800
commitdf62c1c110e8532b995b23540b7e3695729c0779 (patch)
treedbbd4cbdb50ac38011e058a2533ee4c3168b0205 /gcc-4.4.0/gcc/config/m68k/m68kemb.h
parent8d401cf711539af5a2f78d12447341d774892618 (diff)
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Check in gcc sources for prebuilt toolchains in Eclair.
Diffstat (limited to 'gcc-4.4.0/gcc/config/m68k/m68kemb.h')
-rw-r--r--gcc-4.4.0/gcc/config/m68k/m68kemb.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/gcc-4.4.0/gcc/config/m68k/m68kemb.h b/gcc-4.4.0/gcc/config/m68k/m68kemb.h
new file mode 100644
index 000000000..5d917f91c
--- /dev/null
+++ b/gcc-4.4.0/gcc/config/m68k/m68kemb.h
@@ -0,0 +1,53 @@
+/* Definitions of target machine for GNU compiler. "embedded" 68XXX.
+ This is meant to be included after m68k.h.
+ Copyright (C) 1994, 1995, 1998, 1999, 2004, 2006
+ Free Software Foundation, Inc. */
+
+/* Override the SVR4 ABI for this target. */
+
+#define PTRDIFF_TYPE "long int"
+#define SIZE_TYPE "long unsigned int"
+
+/* In order for bitfields to work on a 68000, or with -mnobitfield, we must
+ define either PCC_BITFIELD_TYPE_MATTERS or STRUCTURE_SIZE_BOUNDARY.
+ Defining STRUCTURE_SIZE_BOUNDARY results in structure packing problems,
+ so we define PCC_BITFIELD_TYPE_MATTERS. */
+#define PCC_BITFIELD_TYPE_MATTERS 1
+
+/* Don't default to pcc-struct-return, so that we can return small structures
+ and unions in registers, which is slightly more efficient. */
+#define DEFAULT_PCC_STRUCT_RETURN 0
+
+#undef FUNCTION_VALUE
+#define FUNCTION_VALUE(VALTYPE,FUNC) LIBCALL_VALUE (TYPE_MODE (VALTYPE))
+
+#undef LIBCALL_VALUE
+#define LIBCALL_VALUE(MODE) \
+ m68k_libcall_value (MODE)
+
+#undef FUNCTION_VALUE_REGNO_P
+#define FUNCTION_VALUE_REGNO_P(N) \
+ ((N) == D0_REG || (TARGET_68881 && (N) == FP0_REG))
+
+#undef NEEDS_UNTYPED_CALL
+#define NEEDS_UNTYPED_CALL 1
+
+/* Target OS builtins. */
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("__embedded__"); \
+ } \
+ while (0)
+
+/* Override the default LIB_SPEC from gcc.c. We don't currently support
+ profiling, or libg.a. */
+
+#undef LIB_SPEC
+#define LIB_SPEC "-lc"
+
+/* Make this be null, since we want the crt0.o to come from the linker
+ script */
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC ""