X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fconfig%2Ftc-mn10300.h;h=53c41501cfc0226feca6086e6cc024dff16bd641;hb=c32fa91d70ea20b38f90e5a88911f796b9a6418c;hp=fc650256b3898ff77035019de95aaa5224e1f03c;hpb=4b4da1607aeed19ac399963a3aa12b0417e477ae;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/config/tc-mn10300.h b/gas/config/tc-mn10300.h index fc650256b3..53c41501cf 100644 --- a/gas/config/tc-mn10300.h +++ b/gas/config/tc-mn10300.h @@ -1,12 +1,12 @@ /* tc-mn10300.h -- Header file for tc-mn10300.c. - Copyright 1996, 1997, 2000, 2001, 2002, 2003, 2004 + Copyright 1996, 1997, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008 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, @@ -23,30 +23,26 @@ #define TARGET_BYTES_BIG_ENDIAN 0 -#ifndef BFD_ASSEMBLER - #error MN10300 support requires BFD_ASSEMBLER -#endif - #define DIFF_EXPR_OK #define GLOBAL_OFFSET_TABLE_NAME "_GLOBAL_OFFSET_TABLE_" -#define TC_RELOC_RTSYM_LOC_FIXUP(FIX) \ - ((FIX)->fx_r_type != BFD_RELOC_32_PLT_PCREL \ - && (FIX)->fx_r_type != BFD_RELOC_MN10300_GOT32 \ - && (FIX)->fx_r_type != BFD_RELOC_32_GOT_PCREL \ - && ((FIX)->fx_addsy == NULL \ - || (! S_IS_EXTERNAL ((FIX)->fx_addsy) \ - && ! S_IS_WEAK ((FIX)->fx_addsy) \ - && S_IS_DEFINED ((FIX)->fx_addsy) \ - && ! S_IS_COMMON ((FIX)->fx_addsy)))) +#define TC_FORCE_RELOCATION(FIX) mn10300_force_relocation (FIX) +extern bfd_boolean mn10300_force_relocation (struct fix *); -#define md_parse_name(name, exprP, nextcharP) \ - mn10300_parse_name ((name), (exprP), (nextcharP)) -int mn10300_parse_name PARAMS ((char const *, expressionS *, char *)); +#define TC_FORCE_RELOCATION_LOCAL(FIX) \ + (!(FIX)->fx_pcrel \ + || (FIX)->fx_r_type == BFD_RELOC_32_PLT_PCREL \ + || (FIX)->fx_r_type == BFD_RELOC_MN10300_GOT32 \ + || (FIX)->fx_r_type == BFD_RELOC_32_GOT_PCREL \ + || TC_FORCE_RELOCATION (FIX)) + +#define md_parse_name(NAME, EXPRP, MODE, NEXTCHARP) \ + mn10300_parse_name ((NAME), (EXPRP), (MODE), (NEXTCHARP)) +int mn10300_parse_name (char const *, expressionS *, enum expr_mode, char *); #define TC_CONS_FIX_NEW(FRAG, OFF, LEN, EXP) \ mn10300_cons_fix_new ((FRAG), (OFF), (LEN), (EXP)) -void mn10300_cons_fix_new PARAMS ((fragS *, int, int, expressionS *)); +void mn10300_cons_fix_new (fragS *, int, int, expressionS *); /* This is used to construct expressions out of @GOTOFF, @PLT and @GOT symbols. The relocation type is stored in X_md. */ @@ -69,11 +65,12 @@ void mn10300_cons_fix_new PARAMS ((fragS *, int, int, expressionS *)); #define TC_FORCE_RELOCATION_SUB_SAME(FIX, SEC) \ (((SEC)->flags & SEC_CODE) != 0 \ || ! SEG_NORMAL (SEC) \ + || (FIX)->fx_r_type == BFD_RELOC_MN10300_ALIGN \ || TC_FORCE_RELOCATION (FIX)) /* We validate subtract arguments within tc_gen_reloc(), so don't report errors at this point. */ -#define TC_VALIDATE_FIX_SUB(FIX) 1 +#define TC_VALIDATE_FIX_SUB(FIX, SEG) 1 /* Fixup debug sections since we will never relax them. Ideally, we could do away with this and instead check every single fixup with @@ -101,13 +98,29 @@ void mn10300_cons_fix_new PARAMS ((fragS *, int, int, expressionS *)); #define md_number_to_chars number_to_chars_littleendian -/* Don't bother to adjust relocs. */ -/* #define tc_fix_adjustable(FIX) 0 */ #define tc_fix_adjustable(FIX) mn10300_fix_adjustable (FIX) -extern bfd_boolean mn10300_fix_adjustable PARAMS ((struct fix *)); +extern bfd_boolean mn10300_fix_adjustable (struct fix *); /* We do relaxing in the assembler as well as the linker. */ extern const struct relax_type md_relax_table[]; #define TC_GENERIC_RELAX_TABLE md_relax_table #define DWARF2_LINE_MIN_INSN_LENGTH 1 + +/* The 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) mn10300_allow_local_subtract (l, r, s) +extern bfd_boolean mn10300_allow_local_subtract (expressionS *, expressionS *, segT); + +#define RELOC_EXPANSION_POSSIBLE +#define MAX_RELOC_EXPANSION 2 + +#define TC_FRAG_TYPE bfd_boolean + +#define HANDLE_ALIGN(frag) mn10300_handle_align (frag) +extern void mn10300_handle_align (fragS *); + +/* Only allow call frame debug info optimization when linker relaxation is + not enabled as otherwise we could generate the DWARF directives without + the relocs necessary to patch them up. */ +#define md_allow_eh_opt (linkrelax == 0)