76aaa9cdb1
* config.gcc (rx-*-linux*): New target. * config/rx/elf.opt: New file. * config/rx/linux.h: Likewise. * config/rx/t-linux: Likewise. * config/rx/rx.c (TARGET_SAVE_ACC_REGISTER): If not defined, make it zero. * config/rx/rx.h (ASM_APP_ON): Allow to be overridden. (ASM_APP_OFF): Likewise. * config/rx/rx.opt: Drop -msim and -mas100-syntax, they were moved elsewhere. * config.host (rx-*-linux*): Add new case. * config/rx/t-rx (HOST_LIBGCC2_CFLAGS): Force DFmode to SFmode. From-SVN: r271748
232 lines
6.6 KiB
C
232 lines
6.6 KiB
C
/* GCC backend definitions for the rx-linux
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Copyright (C) 2019 Yoshinori Sato
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Based on rx.h
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "config/rx/rx.h"
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#undef TARGET_CPU_CPP_BUILTINS
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#define TARGET_CPU_CPP_BUILTINS() \
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do \
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{ \
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builtin_define ("__RX__"); \
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builtin_assert ("cpu=RX"); \
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if (rx_cpu_type == RX610) \
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builtin_assert ("machine=RX610"); \
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else \
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builtin_assert ("machine=RX600"); \
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\
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if (TARGET_BIG_ENDIAN_DATA) \
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builtin_define ("__RX_BIG_ENDIAN__"); \
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else \
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builtin_define ("__RX_LITTLE_ENDIAN__");\
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\
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if (TARGET_64BIT_DOUBLES) \
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builtin_define ("__RX_64BIT_DOUBLES__");\
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else \
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builtin_define ("__RX_32BIT_DOUBLES__");\
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\
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if (ALLOW_RX_FPU_INSNS) \
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builtin_define ("__RX_FPU_INSNS__"); \
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\
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} \
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while (0)
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#undef CC1_SPEC
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#define CC1_SPEC "\
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%{mcpu=rx200:%{fpu:%erx200 cpu does not have FPU hardware}}"
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#undef ASM_SPEC
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#define ASM_SPEC "\
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%{mbig-endian-data:-mbig-endian-data} \
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%{m64bit-doubles:-m64bit-doubles} \
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%{!m64bit-doubles:-m32bit-doubles} \
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%{msmall-data-limit*:-msmall-data-limit} \
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%{mrelax:-relax} \
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"
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#undef DATA_SECTION_ASM_OP
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#define DATA_SECTION_ASM_OP \
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"\t.section .data,\"aw\",@progbits\n\t.p2align 2"
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#undef SDATA_SECTION_ASM_OP
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#define SDATA_SECTION_ASM_OP \
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"\t.section .data2,\"aw\",@progbits\n\t.p2align 1"
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#undef READONLY_DATA_SECTION_ASM_OP
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#define READONLY_DATA_SECTION_ASM_OP \
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"\t.section .rodata,\"a\",@progbits\n\t.p2align 2"
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#undef BSS_SECTION_ASM_OP
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#define BSS_SECTION_ASM_OP \
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"\t.section .bss\n\t.p2align 2"
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#undef SBSS_SECTION_ASM_OP
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#define SBSS_SECTION_ASM_OP \
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"\t.section .bss2\n\t.p2align 1"
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/* The following definitions are conditional depending upon whether the
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compiler is being built or crtstuff.c is being compiled by the built
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compiler. */
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#undef TEXT_SECTION_ASM_OP
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#define TEXT_SECTION_ASM_OP \
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"\t.section .text,\"ax\""
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#undef CTORS_SECTION_ASM_OP
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#define CTORS_SECTION_ASM_OP \
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"\t.section\t.init_array,\"aw\",@init_array"
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#undef DTORS_SECTION_ASM_OP
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#define DTORS_SECTION_ASM_OP \
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"\t.section\t.fini_array,\"aw\",@fini_array"
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#undef INIT_ARRAY_SECTION_ASM_OP
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#define INIT_ARRAY_SECTION_ASM_OP \
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"\t.section\t.init_array,\"aw\",@init_array"
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#undef FINI_ARRAY_SECTION_ASM_OP
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#define FINI_ARRAY_SECTION_ASM_OP \
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"\t.section\t.fini_array,\"aw\",@fini_array"
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#undef GLOBAL_ASM_OP
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#define GLOBAL_ASM_OP "\t.global\t"
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#undef USER_LABEL_PREFIX
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#undef ASM_OUTPUT_ALIGN
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#define ASM_OUTPUT_ALIGN(STREAM, LOG) \
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do \
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{ \
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if ((LOG) == 0) \
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break; \
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fprintf (STREAM, "\t.balign %d\n", 1 << (LOG)); \
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} \
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while (0)
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#undef ASM_OUTPUT_ADDR_VEC_ELT
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#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
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fprintf (FILE, "\t.long .L%d\n", VALUE)
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/* This is how to output an element of a case-vector that is relative.
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Note: The local label referenced by the "1b" below is emitted by
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the tablejump insn. */
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#undef ASM_OUTPUT_ADDR_DIFF_ELT
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#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
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fprintf (FILE, "\t.long .L%d - 1b\n", VALUE)
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#undef ASM_OUTPUT_SIZE_DIRECTIVE
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#define ASM_OUTPUT_SIZE_DIRECTIVE(STREAM, NAME, SIZE) \
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do \
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{ \
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HOST_WIDE_INT size_ = (SIZE); \
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\
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fputs (SIZE_ASM_OP, STREAM); \
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assemble_name (STREAM, NAME); \
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fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \
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} \
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while (0)
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#undef ASM_OUTPUT_MEASURED_SIZE
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#define ASM_OUTPUT_MEASURED_SIZE(STREAM, NAME) \
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do \
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{ \
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fputs (SIZE_ASM_OP, STREAM); \
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assemble_name (STREAM, NAME); \
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fputs (", .-", STREAM); \
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assemble_name (STREAM, NAME); \
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putc ('\n', STREAM); \
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} \
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while (0)
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#undef ASM_OUTPUT_TYPE_DIRECTIVE
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#define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE) \
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do \
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{ \
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fputs (TYPE_ASM_OP, STREAM); \
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assemble_name (STREAM, NAME); \
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fputs (", ", STREAM); \
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fprintf (STREAM, TYPE_OPERAND_FMT, TYPE); \
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putc ('\n', STREAM); \
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} \
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while (0)
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#undef ASM_GENERATE_INTERNAL_LABEL
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#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
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do \
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{ \
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sprintf (LABEL, "*.%s%u", PREFIX, (unsigned) (NUM)); \
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} \
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while (0)
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#undef ASM_OUTPUT_EXTERNAL
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#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
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do \
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{ \
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default_elf_asm_output_external (FILE, DECL, NAME); \
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} \
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while (0)
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#undef ASM_OUTPUT_ALIGNED_COMMON
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#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
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do \
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{ \
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fprintf ((FILE), "%s", COMMON_ASM_OP); \
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assemble_name ((FILE), (NAME)); \
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fprintf ((FILE), "," HOST_WIDE_INT_PRINT_UNSIGNED ",%u\n", \
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(SIZE), (ALIGN) / BITS_PER_UNIT); \
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} \
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while (0)
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#undef SKIP_ASM_OP
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#define SKIP_ASM_OP "\t.zero\t"
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#undef ASM_OUTPUT_LIMITED_STRING
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#define ASM_OUTPUT_LIMITED_STRING(FILE, STR) \
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do \
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{ \
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const unsigned char *_limited_str = \
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(const unsigned char *) (STR); \
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unsigned ch; \
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\
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fprintf ((FILE), "\t.string\t\""); \
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\
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for (; (ch = *_limited_str); _limited_str++) \
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{ \
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int escape; \
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\
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switch (escape = ESCAPES[ch]) \
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{ \
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case 0: \
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putc (ch, (FILE)); \
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break; \
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case 1: \
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fprintf ((FILE), "\\%03o", ch); \
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break; \
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default: \
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putc ('\\', (FILE)); \
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putc (escape, (FILE)); \
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break; \
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} \
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} \
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\
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fprintf ((FILE), "\"\n"); \
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} \
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while (0)
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#undef PREFERRED_DEBUGGING_TYPE
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#undef TARGET_AS100_SYNTAX
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#define TARGET_AS100_SYNTAX 0
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