| /* tc-rx.h - header file for Renesas RX |
| Copyright (C) 2008-2021 Free Software Foundation, Inc. |
| |
| This file is part of GAS, the GNU Assembler. |
| |
| GAS 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. |
| |
| GAS 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 GAS; see the file COPYING. If not, write to the Free |
| Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
| 02110-1301, USA. */ |
| |
| #define TC_RX |
| |
| extern int target_big_endian; |
| |
| #define LISTING_HEADER (target_big_endian ? "RX GAS BE" : "RX GAS LE") |
| #define LISTING_LHS_WIDTH 8 |
| #define LISTING_WORD_SIZE 1 |
| |
| #define TARGET_ARCH bfd_arch_rx |
| |
| /* Instruction bytes are big endian, data bytes can be either. */ |
| #define TARGET_BYTES_BIG_ENDIAN 0 |
| |
| #ifndef TE_LINUX |
| #define TARGET_FORMAT (target_big_endian ? "elf32-rx-be" : "elf32-rx-le") |
| #else |
| #define TARGET_FORMAT "elf32-rx-linux" |
| #endif |
| |
| /* We don't need to handle .word strangely. */ |
| #define WORKING_DOT_WORD |
| |
| /* Permit temporary numeric labels. */ |
| #define LOCAL_LABELS_FB 1 |
| /* But make sure that the binutils treat them as locals. */ |
| #define LOCAL_LABEL_PREFIX '.' |
| |
| /* Allow classic-style constants. */ |
| #define NUMBERS_WITH_SUFFIX 1 |
| |
| /* .-foo gets turned into PC relative relocs. */ |
| #define DIFF_EXPR_OK |
| |
| #define md_end rx_md_end |
| extern void rx_md_end (void); |
| |
| /* Note - the definition of MD_RELAX_FRAG here includes a reference to the |
| MAX_ITERATIONS variable which is defined locally in write.c:relax_segment() |
| but which is not normally passed to target specific relaxing code. This |
| reference is needed however as the number of iterations of the RX relaxing |
| code needs to be constrained by the maximum number of iterations allowed |
| by relax_segment(). See PR 24464 for more details. */ |
| #define md_relax_frag(SEG, FRAGP, STRETCH) \ |
| rx_relax_frag ((SEG), (FRAGP), (STRETCH), max_iterations) |
| extern int rx_relax_frag (segT, fragS *, long, unsigned long); |
| |
| #define TC_FRAG_TYPE struct rx_bytesT * |
| #define TC_FRAG_INIT(fragp, max_bytes) rx_frag_init (fragp) |
| extern void rx_frag_init (fragS *); |
| |
| /* Call md_pcrel_from_section(), not md_pcrel_from(). */ |
| #define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC) |
| |
| /* RX doesn't have a 32 bit PCREL relocations. */ |
| #define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) 1 |
| |
| #define TC_VALIDATE_FIX_SUB(FIX, SEG) \ |
| rx_validate_fix_sub (FIX) |
| extern int rx_validate_fix_sub (struct fix *); |
| |
| #define TC_CONS_FIX_NEW(FRAG, WHERE, NBYTES, EXP, RELOC) \ |
| rx_cons_fix_new (FRAG, WHERE, NBYTES, EXP, RELOC) |
| extern void rx_cons_fix_new (fragS *, int, int, expressionS *, |
| bfd_reloc_code_real_type); |
| |
| #define tc_fix_adjustable(x) 0 |
| |
| #define md_do_align(n, fill, len, max, around) \ |
| if ((n) \ |
| && !need_pass_2 \ |
| && (!(fill) \ |
| || ((char)*(fill) == (char)0x03 && (len) == 1)) \ |
| && subseg_text_p (now_seg)) \ |
| { \ |
| frag_align_code ((n), (max)); \ |
| goto around; \ |
| } |
| |
| #define MAX_MEM_FOR_RS_ALIGN_CODE 8 |
| #define HANDLE_ALIGN(FRAG) rx_handle_align (FRAG) |
| extern void rx_handle_align (fragS *); |
| |
| #define RELOC_EXPANSION_POSSIBLE 1 |
| #define MAX_RELOC_EXPANSION 4 |
| |
| #define elf_tc_final_processing rx_elf_final_processing |
| extern void rx_elf_final_processing (void); |
| |
| extern bool rx_use_conventional_section_names; |
| #define TEXT_SECTION_NAME (rx_use_conventional_section_names ? ".text" : "P") |
| #define DATA_SECTION_NAME (rx_use_conventional_section_names ? ".data" : "D_1") |
| #define BSS_SECTION_NAME (rx_use_conventional_section_names ? ".bss" : "B_1") |
| |
| #define md_start_line_hook rx_start_line |
| extern void rx_start_line (void); |