--- /dev/null
+/* GCC backend definitions for the rx-linux
+ Copyright (C) 2019 Yoshinori Sato
+ Based on rx.h
+
+ 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 3, or (at your
+ option) any later version.
+
+ GCC is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ 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
+ <http://www.gnu.org/licenses/>. */
+
+
+#include "config/rx/rx.h"
+
+#undef TARGET_CPU_CPP_BUILTINS
+#define TARGET_CPU_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define ("__RX__"); \
+ builtin_assert ("cpu=RX"); \
+ if (rx_cpu_type == RX610) \
+ builtin_assert ("machine=RX610"); \
+ else \
+ builtin_assert ("machine=RX600"); \
+ \
+ if (TARGET_BIG_ENDIAN_DATA) \
+ builtin_define ("__RX_BIG_ENDIAN__"); \
+ else \
+ builtin_define ("__RX_LITTLE_ENDIAN__");\
+ \
+ if (TARGET_64BIT_DOUBLES) \
+ builtin_define ("__RX_64BIT_DOUBLES__");\
+ else \
+ builtin_define ("__RX_32BIT_DOUBLES__");\
+ \
+ if (ALLOW_RX_FPU_INSNS) \
+ builtin_define ("__RX_FPU_INSNS__"); \
+ \
+ } \
+ while (0)
+
+#undef CC1_SPEC
+#define CC1_SPEC "\
+ %{mcpu=rx200:%{fpu:%erx200 cpu does not have FPU hardware}}"
+
+#undef ASM_SPEC
+#define ASM_SPEC "\
+%{mbig-endian-data:-mbig-endian-data} \
+%{m64bit-doubles:-m64bit-doubles} \
+%{!m64bit-doubles:-m32bit-doubles} \
+%{msmall-data-limit*:-msmall-data-limit} \
+%{mrelax:-relax} \
+"
+
+#undef DATA_SECTION_ASM_OP
+#define DATA_SECTION_ASM_OP \
+ "\t.section .data,\"aw\",@progbits\n\t.p2align 2"
+
+#undef SDATA_SECTION_ASM_OP
+#define SDATA_SECTION_ASM_OP \
+ "\t.section .data2,\"aw\",@progbits\n\t.p2align 1"
+
+#undef READONLY_DATA_SECTION_ASM_OP
+#define READONLY_DATA_SECTION_ASM_OP \
+ "\t.section .rodata,\"a\",@progbits\n\t.p2align 2"
+
+#undef BSS_SECTION_ASM_OP
+#define BSS_SECTION_ASM_OP \
+ "\t.section .bss\n\t.p2align 2"
+
+#undef SBSS_SECTION_ASM_OP
+#define SBSS_SECTION_ASM_OP \
+ "\t.section .bss2\n\t.p2align 1"
+
+/* The following definitions are conditional depending upon whether the
+ compiler is being built or crtstuff.c is being compiled by the built
+ compiler. */
+#undef TEXT_SECTION_ASM_OP
+#define TEXT_SECTION_ASM_OP \
+ "\t.section .text,\"ax\""
+#undef CTORS_SECTION_ASM_OP
+#define CTORS_SECTION_ASM_OP \
+ "\t.section\t.init_array,\"aw\",@init_array"
+#undef DTORS_SECTION_ASM_OP
+#define DTORS_SECTION_ASM_OP \
+ "\t.section\t.fini_array,\"aw\",@fini_array"
+#undef INIT_ARRAY_SECTION_ASM_OP
+#define INIT_ARRAY_SECTION_ASM_OP \
+ "\t.section\t.init_array,\"aw\",@init_array"
+#undef FINI_ARRAY_SECTION_ASM_OP
+#define FINI_ARRAY_SECTION_ASM_OP \
+ "\t.section\t.fini_array,\"aw\",@fini_array"
+
+#undef GLOBAL_ASM_OP
+#define GLOBAL_ASM_OP "\t.global\t"
+#undef USER_LABEL_PREFIX
+
+#undef ASM_OUTPUT_ALIGN
+#define ASM_OUTPUT_ALIGN(STREAM, LOG) \
+ do \
+ { \
+ if ((LOG) == 0) \
+ break; \
+ fprintf (STREAM, "\t.balign %d\n", 1 << (LOG)); \
+ } \
+ while (0)
+
+#undef ASM_OUTPUT_ADDR_VEC_ELT
+#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
+ fprintf (FILE, "\t.long .L%d\n", VALUE)
+
+/* This is how to output an element of a case-vector that is relative.
+ Note: The local label referenced by the "1b" below is emitted by
+ the tablejump insn. */
+
+#undef ASM_OUTPUT_ADDR_DIFF_ELT
+#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
+ fprintf (FILE, "\t.long .L%d - 1b\n", VALUE)
+
+#undef ASM_OUTPUT_SIZE_DIRECTIVE
+#define ASM_OUTPUT_SIZE_DIRECTIVE(STREAM, NAME, SIZE) \
+ do \
+ { \
+ HOST_WIDE_INT size_ = (SIZE); \
+ \
+ fputs (SIZE_ASM_OP, STREAM); \
+ assemble_name (STREAM, NAME); \
+ fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \
+ } \
+ while (0)
+
+#undef ASM_OUTPUT_MEASURED_SIZE
+#define ASM_OUTPUT_MEASURED_SIZE(STREAM, NAME) \
+ do \
+ { \
+ fputs (SIZE_ASM_OP, STREAM); \
+ assemble_name (STREAM, NAME); \
+ fputs (", .-", STREAM); \
+ assemble_name (STREAM, NAME); \
+ putc ('\n', STREAM); \
+ } \
+ while (0)
+
+#undef ASM_OUTPUT_TYPE_DIRECTIVE
+#define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE) \
+ do \
+ { \
+ fputs (TYPE_ASM_OP, STREAM); \
+ assemble_name (STREAM, NAME); \
+ fputs (", ", STREAM); \
+ fprintf (STREAM, TYPE_OPERAND_FMT, TYPE); \
+ putc ('\n', STREAM); \
+ } \
+ while (0)
+
+#undef ASM_GENERATE_INTERNAL_LABEL
+#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
+ do \
+ { \
+ sprintf (LABEL, "*.%s%u", PREFIX, (unsigned) (NUM)); \
+ } \
+ while (0)
+
+#undef ASM_OUTPUT_EXTERNAL
+#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
+ do \
+ { \
+ default_elf_asm_output_external (FILE, DECL, NAME); \
+ } \
+ while (0)
+
+#undef ASM_OUTPUT_ALIGNED_COMMON
+#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
+ do \
+ { \
+ fprintf ((FILE), "%s", COMMON_ASM_OP); \
+ assemble_name ((FILE), (NAME)); \
+ fprintf ((FILE), "," HOST_WIDE_INT_PRINT_UNSIGNED ",%u\n", \
+ (SIZE), (ALIGN) / BITS_PER_UNIT); \
+ } \
+ while (0)
+
+#undef SKIP_ASM_OP
+#define SKIP_ASM_OP "\t.zero\t"
+
+#undef ASM_OUTPUT_LIMITED_STRING
+#define ASM_OUTPUT_LIMITED_STRING(FILE, STR) \
+ do \
+ { \
+ const unsigned char *_limited_str = \
+ (const unsigned char *) (STR); \
+ unsigned ch; \
+ \
+ fprintf ((FILE), "\t.string\t\""); \
+ \
+ for (; (ch = *_limited_str); _limited_str++) \
+ { \
+ int escape; \
+ \
+ switch (escape = ESCAPES[ch]) \
+ { \
+ case 0: \
+ putc (ch, (FILE)); \
+ break; \
+ case 1: \
+ fprintf ((FILE), "\\%03o", ch); \
+ break; \
+ default: \
+ putc ('\\', (FILE)); \
+ putc (escape, (FILE)); \
+ break; \
+ } \
+ } \
+ \
+ fprintf ((FILE), "\"\n"); \
+ } \
+ while (0)
+
+#undef PREFERRED_DEBUGGING_TYPE
+
+#undef TARGET_AS100_SYNTAX
+#define TARGET_AS100_SYNTAX 0
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