X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-m68k.h;h=e586eca35c920ab82fcb0a9ba4f430507078fa66;hb=164446e04c89c7f5d8fd3efd7874a1af01035d72;hp=f5de3acf5d4c680fa8df8912f00cc6f71ba92970;hpb=b4f261e094f4807a2da1dc62c7945e5898ed4680;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/tc-m68k.h b/gas/config/tc-m68k.h index f5de3acf5d..e586eca35c 100644 --- a/gas/config/tc-m68k.h +++ b/gas/config/tc-m68k.h @@ -1,13 +1,11 @@ /* This file is tc-m68k.h - Copyright 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, - 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 - Free Software Foundation, Inc. + Copyright (C) 1987-2020 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) + 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, @@ -26,72 +24,12 @@ struct fix; #define TARGET_BYTES_BIG_ENDIAN 1 -#ifdef OBJ_AOUT -#ifdef TE_SUN3 -#define TARGET_FORMAT "a.out-sunos-big" -#endif -#ifdef TE_NetBSD -#define TARGET_FORMAT "a.out-m68k-netbsd" -#endif -#ifdef TE_LINUX -#define TARGET_FORMAT "a.out-m68k-linux" -#endif -#ifndef TARGET_FORMAT -#define TARGET_FORMAT "a.out-zero-big" -#endif -#endif - -#ifdef OBJ_ELF #define TARGET_FORMAT "elf32-m68k" -#endif - -#ifdef TE_APOLLO -#define COFF_MAGIC APOLLOM68KMAGIC -#define COFF_AOUTHDR_MAGIC APOLLO_COFF_VERSION_NUMBER -#undef OBJ_COFF_OMIT_OPTIONAL_HEADER -#endif - -#ifdef TE_LYNX -#define TARGET_FORMAT "coff-m68k-lynx" -#endif -#ifdef TE_AUX -#define TARGET_FORMAT "coff-m68k-aux" -#endif -#ifdef TE_DELTA -#define TARGET_FORMAT "coff-m68k-sysv" -#endif - -#ifndef COFF_MAGIC -#define COFF_MAGIC MC68MAGIC -#endif -#define BFD_ARCH bfd_arch_m68k /* for non-BFD_ASSEMBLER */ -#define TARGET_ARCH bfd_arch_m68k /* BFD_ASSEMBLER */ -#define COFF_FLAGS F_AR32W -#define TC_COUNT_RELOC(x) ((x)->fx_addsy||(x)->fx_subsy) - -#define TC_COFF_FIX2RTYPE(FIX) tc_coff_fix2rtype(FIX) -#define TC_COFF_SIZEMACHDEP(frag) tc_coff_sizemachdep(frag) -extern int tc_coff_sizemachdep (struct frag *); -#ifdef TE_SUN3 -/* This variable contains the value to write out at the beginning of - the a.out file. The 2<<16 means that this is a 68020 file instead - of an old-style 68000 file */ - -#define DEFAULT_MAGIC_NUMBER_FOR_OBJECT_FILE (2<<16|OMAGIC); /* Magic byte for file header */ -#endif /* TE_SUN3 */ - -#ifndef AOUT_MACHTYPE -#define AOUT_MACHTYPE m68k_aout_machtype -extern int m68k_aout_machtype; -#endif +#define TARGET_ARCH bfd_arch_m68k #define tc_comment_chars m68k_comment_chars extern const char *m68k_comment_chars; -#define tc_crawl_symbol_chain(a) {;} /* not used */ -#define tc_headers_hook(a) {;} /* not used */ -#define tc_aout_pre_write_hook(x) {;} /* not used */ - #define LISTING_WORD_SIZE 2 /* A word is 2 bytes */ #define LISTING_LHS_WIDTH 2 /* One word on the first line */ #define LISTING_LHS_WIDTH_SECOND 2 /* One word on the second line */ @@ -102,32 +40,8 @@ extern const char *m68k_comment_chars; #define REGISTER_PREFIX '%' #endif -#if !defined (REGISTER_PREFIX_OPTIONAL) -#if defined (M68KCOFF) || defined (OBJ_ELF) -#ifndef BFD_ASSEMBLER -#define LOCAL_LABEL(name) (name[0] == '.' \ - && (name[1] == 'L' || name[1] == '.')) -#endif /* ! BFD_ASSEMBLER */ +#ifndef REGISTER_PREFIX_OPTIONAL #define REGISTER_PREFIX_OPTIONAL 0 -#else /* ! (COFF || ELF) */ -#define REGISTER_PREFIX_OPTIONAL 1 -#endif /* ! (COFF || ELF) */ -#endif /* not def REGISTER_PREFIX and not def OPTIONAL_REGISTER_PREFIX */ - -#ifdef TE_DELTA -/* On the Delta, `%' can occur within a label name, but not as the - initial character. */ -#define LEX_PCT LEX_NAME -/* On the Delta, `~' can start a label name, but is converted to '.'. */ -#define LEX_TILDE LEX_BEGIN_NAME -#define tc_canonicalize_symbol_name(s) ((*(s) == '~' ? *(s) = '.' : '.'), s) -/* On the Delta, dots are not required before pseudo-ops. */ -#define NO_PSEUDO_DOT 1 -#ifndef BFD_ASSEMBLER -#undef LOCAL_LABEL -#define LOCAL_LABEL(name) \ - (name[0] == '.' || (name[0] == 'L' && name[1] == '%')) -#endif #endif extern void m68k_mri_mode_change (int); @@ -144,8 +58,6 @@ extern void m68k_flush_pending_output (void); extern void m68k_frob_symbol (symbolS *); -#ifdef BFD_ASSEMBLER - #define tc_frob_symbol(sym,punt) \ do \ { \ @@ -163,7 +75,6 @@ while (0) #define RELAX_RELOC_PC16 BFD_RELOC_16_PCREL #define RELAX_RELOC_PC32 BFD_RELOC_32_PCREL -#ifdef OBJ_ELF #define tc_fix_adjustable(X) tc_m68k_fix_adjustable(X) extern int tc_m68k_fix_adjustable (struct fix *); @@ -178,34 +89,14 @@ extern int tc_m68k_fix_adjustable (struct fix *); #define elf_tc_final_processing m68k_elf_final_processing extern void m68k_elf_final_processing (void); -#endif - -#else /* ! BFD_ASSEMBLER */ - -#define tc_frob_coff_symbol(sym) m68k_frob_symbol (sym) - -#define NO_RELOC 0 -#define RELAX_RELOC_ABS8 0 -#define RELAX_RELOC_ABS16 0 -#define RELAX_RELOC_ABS32 0 -#define RELAX_RELOC_PC8 0 -#define RELAX_RELOC_PC16 0 -#define RELAX_RELOC_PC32 0 - -#endif /* ! BFD_ASSEMBLER */ #define DIFF_EXPR_OK -extern void m68k_init_after_args (void); -#define tc_init_after_args m68k_init_after_args - extern int m68k_parse_long_option (char *); #define md_parse_long_option m68k_parse_long_option #define md_operand(x) -#define TARGET_ARCH bfd_arch_m68k - extern struct relax_type md_relax_table[]; #define TC_GENERIC_RELAX_TABLE md_relax_table @@ -232,3 +123,19 @@ extern int tc_m68k_regname_to_dw2regnum (const char *regname); #define tc_cfi_frame_initial_instructions tc_m68k_frame_initial_instructions extern void tc_m68k_frame_initial_instructions (void); + +#ifdef TE_UCLINUX +/* elf2flt does not honor PT_LOAD's from the executable. + .text and .eh_frame sections will not end up in the same segment and so + we cannot use PC-relative encoding for CFI. */ +# define CFI_DIFF_EXPR_OK 0 + +/* However, follow compiler's guidance when it specifies encoding for LSDA. */ +# define CFI_DIFF_LSDA_OK 1 +#endif + +struct broken_word; +#define TC_CHECK_ADJUSTED_BROKEN_DOT_WORD(new_offset, brokw) \ + tc_m68k_check_adjusted_broken_word ((offsetT) (new_offset), (brokw)) +extern void tc_m68k_check_adjusted_broken_word (offsetT, + struct broken_word *);