mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2025-02-23 13:21:43 +08:00
140 lines
4.5 KiB
C
140 lines
4.5 KiB
C
/* tc-loongarch.h -- Header file for tc-loongarch.c.
|
|
Copyright (C) 2021-2023 Free Software Foundation, Inc.
|
|
Contributed by Loongson Ltd.
|
|
|
|
This file is part of GAS.
|
|
|
|
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 of the license, 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 this program; see the file COPYING3. If not,
|
|
see <http://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef TC_LOONGARCH
|
|
#define TC_LOONGARCH
|
|
|
|
#include "opcode/loongarch.h"
|
|
|
|
#define TARGET_BYTES_BIG_ENDIAN 0
|
|
#define TARGET_ARCH bfd_arch_loongarch
|
|
|
|
#define TARGET_MACH (loongarch_mach ())
|
|
extern unsigned long loongarch_mach (void);
|
|
|
|
#define WORKING_DOT_WORD 1
|
|
#define REPEAT_CONS_EXPRESSIONS
|
|
|
|
/* Early than md_begin. */
|
|
#define md_after_parse_args loongarch_after_parse_args
|
|
extern void loongarch_after_parse_args (void);
|
|
|
|
extern void loongarch_pop_insert (void);
|
|
#define md_pop_insert() loongarch_pop_insert ()
|
|
|
|
#define TARGET_FORMAT loongarch_target_format ()
|
|
extern const char *loongarch_target_format (void);
|
|
|
|
#define md_relax_frag(segment, fragp, stretch) \
|
|
loongarch_relax_frag (segment, fragp, stretch)
|
|
extern int loongarch_relax_frag (asection *, struct frag *, long);
|
|
#define md_section_align(seg, size) (size)
|
|
#define md_undefined_symbol(name) (0)
|
|
#define md_operand(x)
|
|
|
|
extern bool loongarch_frag_align_code (int);
|
|
#define md_do_align(N, FILL, LEN, MAX, LABEL) \
|
|
if ((N) != 0 && !(FILL) && !need_pass_2 && subseg_text_p (now_seg)) \
|
|
{ \
|
|
if (loongarch_frag_align_code (N)) \
|
|
goto LABEL; \
|
|
}
|
|
|
|
/* The following two macros let the linker resolve all the relocs
|
|
due to relaxation.
|
|
|
|
This is called to see whether a reloc against a defined symbol
|
|
should be converted into a reloc against a section.
|
|
|
|
If relax and norelax have different value may cause ld ".eh_frame_hdr
|
|
refers to overlapping FDEs" error when link relax .o and norelax .o. */
|
|
#define tc_fix_adjustable(fixp) 0
|
|
|
|
/* Tne difference between same-section symbols may be affected by linker
|
|
relaxation, so do not resolve such expressions in the assembler. */
|
|
#define md_allow_local_subtract(l,r,s) 0
|
|
|
|
/* Values passed to md_apply_fix don't include symbol values. */
|
|
#define TC_FORCE_RELOCATION_SUB_LOCAL(FIX, SEG) 1
|
|
|
|
#define TC_VALIDATE_FIX_SUB(FIX, SEG) 1
|
|
#define DIFF_EXPR_OK 1
|
|
|
|
/* Postpone text-section label subtraction calculation until linking, since
|
|
linker relaxations might change the deltas. */
|
|
#define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEC) \
|
|
(LARCH_opts.relax ? \
|
|
(GENERIC_FORCE_RELOCATION_SUB_SAME (FIX, SEC) \
|
|
|| ((SEC)->flags & SEC_CODE) != 0 \
|
|
|| ((SEC)->flags & SEC_DEBUGGING) != 0 \
|
|
|| TC_FORCE_RELOCATION (FIX)) \
|
|
: (GENERIC_FORCE_RELOCATION_SUB_SAME (FIX, SEC))) \
|
|
|
|
#define TC_LINKRELAX_FIXUP(seg) ((seg->flags & SEC_CODE) \
|
|
|| (seg->flags & SEC_DEBUGGING))
|
|
|
|
#define TC_FORCE_RELOCATION_LOCAL(FIX) 1
|
|
|
|
/* Adjust debug_line after relaxation. */
|
|
#define DWARF2_USE_FIXED_ADVANCE_PC 1
|
|
|
|
/* Values passed to md_apply_fix don't include symbol values. */
|
|
#define MD_APPLY_SYM_VALUE(FIX) 0
|
|
|
|
#define TARGET_USE_CFIPOP 1
|
|
#define DWARF2_DEFAULT_RETURN_COLUMN 1 /* $ra. */
|
|
#define DWARF2_CIE_DATA_ALIGNMENT -4
|
|
|
|
#define tc_cfi_frame_initial_instructions \
|
|
loongarch_cfi_frame_initial_instructions
|
|
extern void loongarch_cfi_frame_initial_instructions (void);
|
|
|
|
#define tc_symbol_new_hook(sym) \
|
|
if (0 == strcmp (sym->bsym->name, FAKE_LABEL_NAME)) \
|
|
S_SET_OTHER (sym, STV_HIDDEN);
|
|
|
|
#define tc_parse_to_dw2regnum tc_loongarch_parse_to_dw2regnum
|
|
extern void tc_loongarch_parse_to_dw2regnum (expressionS *);
|
|
|
|
extern void loongarch_pre_output_hook (void);
|
|
#define md_pre_output_hook loongarch_pre_output_hook ()
|
|
|
|
#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 0
|
|
|
|
#define HANDLE_ALIGN(fragp) loongarch_handle_align (fragp)
|
|
extern void loongarch_handle_align (struct frag *);
|
|
#define MAX_MEM_FOR_RS_ALIGN_CODE (3 + 4)
|
|
|
|
#define elf_tc_final_processing loongarch_elf_final_processing
|
|
extern void loongarch_elf_final_processing (void);
|
|
|
|
#define MAX_RELOC_NUMBER_A_INSN 20
|
|
|
|
struct reloc_info
|
|
{
|
|
bfd_reloc_code_real_type type;
|
|
expressionS value;
|
|
};
|
|
|
|
#define md_finish loongarch_md_finish
|
|
extern void loongarch_md_finish (void);
|
|
|
|
#endif
|