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/* 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
|
