X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gas%2Fwrite.h;h=b6132dd5f5238637d62d2f33b33bc913680c05b5;hb=4d91c2a4677b90802c8d369190927921bf8ee97d;hp=d7215816da92767089117d62c7767dc75096464b;hpb=552c607f04fd0925fb808fddc1803f966cc365c1;p=deliverable%2Fbinutils-gdb.git diff --git a/gas/write.h b/gas/write.h index d7215816da..b6132dd5f5 100644 --- a/gas/write.h +++ b/gas/write.h @@ -1,7 +1,5 @@ /* write.h - Copyright 1987, 1992, 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2001, - 2002, 2003, 2005, 2006, 2007 - Free Software Foundation, Inc. + Copyright (C) 1987-2020 Free Software Foundation, Inc. This file is part of GAS, the GNU Assembler. @@ -29,7 +27,18 @@ #define FAKE_LABEL_NAME "L0\001" #endif -#include "bit_fix.h" +/* This is a special character that is used to indicate a fake label. + It must be present in FAKE_LABEL_NAME, although it does not have to + be the first character. It must not be a character that would be + found in a valid symbol name. + + Also be aware that the function _bfd_elf_is_local_label_name in + bfd/elf.c has an implicit assumption that FAKE_LABEL_CHAR is '\001'. + If this is not the case then FAKE_LABEL_NAME must start with ".L" in + order for the function to continue working. */ +#ifndef FAKE_LABEL_CHAR +#define FAKE_LABEL_CHAR '\001' +#endif /* * FixSs may be built up in any order. @@ -37,20 +46,15 @@ struct fix { + /* Next fixS in linked list, or NULL. */ + struct fix *fx_next; + /* These small fields are grouped together for compactness of this structure, and efficiency of access on some architectures. */ /* Is this a pc-relative relocation? */ unsigned fx_pcrel : 1; - /* Is this value an immediate displacement? */ - /* Only used on ns32k; merge it into TC_FIX_TYPE sometime. */ - unsigned fx_im_disp : 2; - - /* Some bits for the CPU specific code. */ - unsigned fx_tcbit : 1; - unsigned fx_tcbit2 : 1; - /* Has this relocation already been applied? */ unsigned fx_done : 1; @@ -64,17 +68,26 @@ struct fix /* The value is signed when checking for overflow. */ unsigned fx_signed : 1; + /* Some bits for the CPU specific code. */ + unsigned fx_tcbit : 1; + unsigned fx_tcbit2 : 1; + + /* Spare bits. */ + unsigned fx_unused : 10; + /* pc-relative offset adjust (only used by some CPU specific code) */ - signed char fx_pcrel_adjust; + int fx_pcrel_adjust : 8; /* How many bytes are involved? */ - unsigned char fx_size; + unsigned fx_size : 8; + + bfd_reloc_code_real_type fx_r_type; /* Which frag does this fix apply to? */ fragS *fx_frag; - /* Where is the first byte to fix up? */ - long fx_where; + /* The location within the frag where the fixup occurs. */ + unsigned long fx_where; /* NULL or Symbol whose value we add in. */ symbolS *fx_addsy; @@ -88,17 +101,8 @@ struct fix /* The value of dot when the fixup expression was parsed. */ addressT fx_dot_value; - /* Next fixS in linked list, or NULL. */ - struct fix *fx_next; - - /* If NULL, no bitfix's to do. */ - /* Only i960-coff and ns32k use this, and i960-coff stores an - integer. This can probably be folded into tc_fix_data, below. - @@ Alpha also uses it, but only to disable certain relocation - processing. */ - bit_fixS *fx_bit_fixP; - - bfd_reloc_code_real_type fx_r_type; + /* The frag fx_dot_value is based on. */ + fragS *fx_dot_frag; /* This field is sort of misnamed. It appears to be a sort of random scratch field, for use by the back ends. The main gas code doesn't @@ -111,7 +115,7 @@ struct fix /* The location of the instruction which created the reloc, used in error messages. */ - char *fx_file; + const char *fx_file; unsigned fx_line; #ifdef USING_CGEN @@ -155,33 +159,30 @@ struct reloc_list arelent r; } b; } u; - char *file; + const char *file; unsigned int line; }; extern int finalize_syms; extern symbolS *abs_section_sym; extern addressT dot_value; +extern fragS *dot_frag; extern struct reloc_list* reloc_list; -extern void append (char **charPP, char *fromP, unsigned long length); -extern void record_alignment (segT seg, int align); -extern int get_recorded_alignment (segT seg); -extern void subsegs_finish (void); +extern void append (char **, char *, unsigned long); +extern void record_alignment (segT, unsigned); +extern int get_recorded_alignment (segT); extern void write_object_file (void); extern long relax_frag (segT, fragS *, long); extern int relax_segment (struct frag *, segT, int); extern void number_to_chars_littleendian (char *, valueT, int); extern void number_to_chars_bigendian (char *, valueT, int); -extern fixS *fix_new - (fragS * frag, int where, int size, symbolS * add_symbol, - offsetT offset, int pcrel, bfd_reloc_code_real_type r_type); -extern fixS *fix_at_start - (fragS * frag, int size, symbolS * add_symbol, - offsetT offset, int pcrel, bfd_reloc_code_real_type r_type); -extern fixS *fix_new_exp - (fragS * frag, int where, int size, expressionS *exp, int pcrel, - bfd_reloc_code_real_type r_type); +extern fixS *fix_new (fragS *, unsigned long, unsigned long, symbolS *, + offsetT, int, bfd_reloc_code_real_type); +extern fixS *fix_at_start (fragS *, unsigned long, symbolS *, + offsetT, int, bfd_reloc_code_real_type); +extern fixS *fix_new_exp (fragS *, unsigned long, unsigned long, + expressionS *, int, bfd_reloc_code_real_type); extern void write_print_statistics (FILE *); #endif /* __write_h__ */