/* This file is tc-sh64.h Copyright 2000, 2001, 2002, 2003 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 2, 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define TC_SH64 #include "config/tc-sh.h" #include "elf/sh.h" #include "elf32-sh64.h" /* We need to override the tc-sh.h settings of HANDLE_ALIGN and MAX_MEM_FOR_RS_ALIGN_CODE; we might need to put in SHmedia NOP:s, not SHcompact NOP:s. */ #undef HANDLE_ALIGN #define HANDLE_ALIGN(frag) sh64_handle_align (frag) extern void sh64_handle_align (fragS *); #undef MAX_MEM_FOR_RS_ALIGN_CODE #define MAX_MEM_FOR_RS_ALIGN_CODE sh64_max_mem_for_rs_align_code () extern int sh64_max_mem_for_rs_align_code (void); #undef LISTING_HEADER #define LISTING_HEADER \ (target_big_endian ? \ "SuperH SHcompact/SHmedia Big Endian GAS" \ : "SuperH SHcompact/SHmedia Little Endian GAS") /* We need to record the new frag position after an .align. */ extern void sh64_do_align (int, const char *, int, int); #define md_do_align(n, fill, len, max, l) \ do { sh64_do_align (n, fill, len, max); goto l; } while (0) struct sh64_segment_info_type { /* The type of the section is initialized when the range_start_symbol member is non-NULL. */ symbolS *mode_start_symbol; subsegT mode_start_subseg; /* A stored symbol indicating location of last call of "md_flush_pending_output". It is NULLed when we actually use it; otherwise the contents is just filled in with segment, frag and offset within frag. */ symbolS *last_contents_mark; unsigned int emitted_ranges; enum sh64_elf_cr_type contents_type; /* This is used by the SH1-4 parts; we set it to 0 for SHmedia code and data. */ unsigned int in_code : 1; }; #undef TC_SEGMENT_INFO_TYPE #define TC_SEGMENT_INFO_TYPE struct sh64_segment_info_type #undef TARGET_FORMAT #define TARGET_FORMAT sh64_target_format () extern const char *sh64_target_format (void); #define TARGET_MACH sh64_target_mach () extern int sh64_target_mach (void); #undef TC_FORCE_RELOCATION_LOCAL #define TC_FORCE_RELOCATION_LOCAL(FIX) \ (!(FIX)->fx_pcrel \ || (FIX)->fx_plt \ || (FIX)->fx_r_type == BFD_RELOC_32_PLT_PCREL \ || (FIX)->fx_r_type == BFD_RELOC_SH_PLT_LOW16 \ || (FIX)->fx_r_type == BFD_RELOC_SH_PLT_MEDLOW16 \ || (FIX)->fx_r_type == BFD_RELOC_SH_PLT_MEDHI16 \ || (FIX)->fx_r_type == BFD_RELOC_SH_PLT_HI16 \ || (FIX)->fx_r_type == BFD_RELOC_32_GOT_PCREL \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOT_LOW16 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOT_MEDLOW16 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOT_MEDHI16 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOT_HI16 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOT10BY4 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOT10BY8 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOTPLT32 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOTPLT_LOW16 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOTPLT_MEDLOW16 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOTPLT_MEDHI16 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOTPLT_HI16 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOTPLT10BY4 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOTPLT10BY8 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOTPC \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOTPC_LOW16 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOTPC_MEDLOW16 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOTPC_MEDHI16 \ || (FIX)->fx_r_type == BFD_RELOC_SH_GOTPC_HI16 \ || TC_FORCE_RELOCATION (FIX)) #undef TC_FORCE_RELOCATION_SUB_SAME #define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEC) \ (! SEG_NORMAL (SEC) \ || TC_FORCE_RELOCATION (FIX) \ || (sh_relax && SWITCH_TABLE (FIX)) \ || *symbol_get_tc ((FIX)->fx_addsy) != NULL) /* Don't complain when we leave fx_subsy around. */ #undef TC_VALIDATE_FIX_SUB #define TC_VALIDATE_FIX_SUB(FIX) \ ((FIX)->fx_r_type == BFD_RELOC_32_PLT_PCREL \ || (sh_relax && SWITCH_TABLE (FIX)) \ || *symbol_get_tc ((FIX)->fx_addsy) != NULL) /* Note the kludge: we want to put back C, and we also want to consume the expression, since we have handled it ourselves. FIXME: What we really need is a new GAS infrastructure feature: md_qualifier. */ #undef md_parse_name #define md_parse_name(NAME, EXP, CP) \ sh64_consume_datalabel (NAME, EXP, CP, operand) extern int sh64_consume_datalabel (const char *, expressionS *, char *, segT (*) (expressionS *)); /* Saying "$" is the same as saying ".". */ #define DOLLAR_DOT #undef MD_PCREL_FROM_SECTION #define MD_PCREL_FROM_SECTION(FIX, SEC) \ shmedia_md_pcrel_from_section (FIX, SEC) extern valueT shmedia_md_pcrel_from_section (struct fix *, segT); /* We need to mark this symbol as a BranchTarget; setting st_other for it and adding 1 to its value (temporarily). */ extern void sh64_frob_label (symbolS *); #undef tc_frob_label #define tc_frob_label(sym) \ do { sh_frob_label (); sh64_frob_label (sym); } while (0) #define tc_symbol_new_hook(s) sh64_frob_label (s) /* We use this to mark our "datalabel" symbol copies. The "mark" is NULL for an ordinary symbol, and the pointer to the "ordinary" symbol for a datalabel symbol. */ #define TC_SYMFIELD_TYPE symbolS * #define tc_frob_symbol(symp, punt) \ do \ { \ punt = sh64_exclude_symbol (symp); \ } \ while (0) extern int sh64_exclude_symbol (symbolS *); extern void sh64_adjust_symtab (void); #define tc_adjust_symtab sh64_adjust_symtab #undef md_flush_pending_output #define md_flush_pending_output() sh64_flush_pending_output () extern void sh64_flush_pending_output (void); /* Note that tc-sh.c has a sh_frob_section, but it's called from tc_frob_file_before_adjust. */ #define tc_frob_section(sec) shmedia_frob_section_type (sec) extern void shmedia_frob_section_type (asection *); /* We need to emit fixups relative to the frag in which the instruction resides. Safest way without calculating max fragment growth or making it a fixed number is to provide a pointer to the opcode frag. We also need to emit the right NOP pattern in .align frags. This is done after the text-to-bits assembly pass, so we need to mark it with the ISA setting at the time the .align was assembled. */ #define TC_FRAG_TYPE struct sh64_tc_frag_data enum sh64_isa_values { sh64_isa_unspecified, sh64_isa_shcompact, sh64_isa_shmedia, /* Special guard value used in contexts when we don't know which ISA it is, just that it's specified (not sh64_isa_unspecified). */ sh64_isa_sh5_guard }; struct sh64_tc_frag_data { fragS *opc_frag; enum sh64_isa_values isa; }; extern enum sh64_isa_values sh64_isa_mode; #define TC_FRAG_INIT(FRAGP) \ do \ { \ (FRAGP)->tc_frag_data.opc_frag = sh64_last_insn_frag; \ (FRAGP)->tc_frag_data.isa = sh64_isa_mode; \ } \ while (0) /* This variable is set whenever we generate (or grow) a new opcode frag in shmedia_build_Mytes. */ extern fragS *sh64_last_insn_frag; #define md_end() shmedia_md_end () void shmedia_md_end (void); /* Because we make .debug_line hold the SHmedia instruction address | 1, we have to say we only have minimum byte-size insns. */ #undef DWARF2_LINE_MIN_INSN_LENGTH #define DWARF2_LINE_MIN_INSN_LENGTH 1