1
/* tc-mep.h -- Header file for tc-mep.c.
2
Copyright (C) 2001, 2002, 2005, 2007, 2009 Free Software Foundation, Inc.
4
This file is part of GAS, the GNU Assembler.
6
GAS is free software; you can redistribute it and/or modify
7
it under the terms of the GNU General Public License as published by
8
the Free Software Foundation; either version 3, or (at your option)
11
GAS is distributed in the hope that it will be useful,
12
but WITHOUT ANY WARRANTY; without even the implied warranty of
13
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14
GNU General Public License for more details.
16
You should have received a copy of the GNU General Public License
17
along with GAS; see the file COPYING. If not, write to
18
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
19
Boston, MA 02110-1301, USA. */
23
/* Support computed relocations. */
24
#define OBJ_COMPLEX_RELC
26
/* Support many operands per instruction. */
27
#define GAS_CGEN_MAX_FIXUPS 10
29
#define LISTING_HEADER "MEP GAS "
31
/* The target BFD architecture. */
32
#define TARGET_ARCH bfd_arch_mep
34
#define TARGET_FORMAT (target_big_endian ? "elf32-mep" : "elf32-mep-little")
36
/* This is the default. */
37
#define TARGET_BYTES_BIG_ENDIAN 0
39
/* Permit temporary numeric labels. */
40
#define LOCAL_LABELS_FB 1
42
/* Do not define DIFF_EXPR_OK - the MeP does not have a 32-bit PC-relative reloc. */
44
/* We don't need to handle .word strangely. */
45
#define WORKING_DOT_WORD
47
/* Values passed to md_apply_fix don't include the symbol value. */
48
#define MD_APPLY_SYM_VALUE(FIX) 0
51
#define md_apply_fix mep_apply_fix
52
extern void mep_apply_fix (struct fix *, valueT *, segT);
54
/* Call md_pcrel_from_section(), not md_pcrel_from(). */
55
#define MD_PCREL_FROM_SECTION(FIXP, SEC) md_pcrel_from_section (FIXP, SEC)
56
extern long md_pcrel_from_section (struct fix *, segT);
58
#define tc_frob_file() mep_frob_file ()
59
extern void mep_frob_file (void);
61
#define tc_fix_adjustable(fixP) mep_fix_adjustable (fixP)
62
extern bfd_boolean mep_fix_adjustable (struct fix *);
64
/* After creating a fixup for an instruction operand, we need
65
to check for HI16 relocs and queue them up for later sorting. */
66
#define md_cgen_record_fixup_exp mep_cgen_record_fixup_exp
68
/* When relaxing, we need to emit various relocs we otherwise wouldn't. */
69
#define TC_FORCE_RELOCATION(fix) mep_force_relocation (fix)
70
extern int mep_force_relocation (struct fix *);
72
#define tc_gen_reloc gas_cgen_tc_gen_reloc
74
extern void gas_cgen_md_operand (expressionS *);
75
#define md_operand(x) gas_cgen_md_operand (x)
77
#define md_flush_pending_output() mep_flush_pending_output()
78
extern int mep_flush_pending_output(void);
80
extern const struct relax_type md_relax_table[];
81
#define TC_GENERIC_RELAX_TABLE md_relax_table
83
extern long mep_relax_frag (segT, fragS *, long);
84
#define md_relax_frag mep_relax_frag
86
/* Account for inserting a jmp after the insn. */
87
#define TC_CGEN_MAX_RELAX(insn, len) ((len) + 4)
89
extern void mep_prepare_relax_scan (fragS *, offsetT *, relax_substateT);
90
#define md_prepare_relax_scan(FRAGP, ADDR, AIM, STATE, TYPE) \
91
mep_prepare_relax_scan (FRAGP, &AIM, STATE)
93
/* Support for core/vliw mode switching. */
96
#define MAX_PARALLEL_INSNS 56 /* From email from Toshiba. */
97
#define VTEXT_SECTION_NAME ".vtext"
99
/* Needed to process pending instructions when a label is encountered. */
100
#define TC_START_LABEL(ch, s, ptr) ((ch == ':') && mep_flush_pending_output ())
102
#define tc_unrecognized_line(c) mep_unrecognized_line (c)
103
extern int mep_unrecognized_line (int);
104
#define md_cleanup mep_cleanup
105
extern void mep_cleanup (void);
107
#define md_elf_section_letter mep_elf_section_letter
108
extern bfd_vma mep_elf_section_letter (int, char **);
109
#define md_elf_section_flags mep_elf_section_flags
110
extern flagword mep_elf_section_flags (flagword, bfd_vma, int);
112
#define ELF_TC_SPECIAL_SECTIONS \
113
{ VTEXT_SECTION_NAME, SHT_PROGBITS, SHF_ALLOC|SHF_EXECINSTR|SHF_MEP_VLIW },
115
/* The values of the following enum are for use with parinsnum, which
116
is a variable in md_assemble that keeps track of whether or not the
117
next instruction is expected to be the first or second instrucion in
118
a parallelization group. */
119
typedef enum exp_par_insn_{FIRST, SECOND} EXP_PAR_INSN;