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Diffstat (limited to 'gas/write.h')
| -rw-r--r-- | gas/write.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/gas/write.h b/gas/write.h new file mode 100644 index 0000000..1eecdc0 --- /dev/null +++ b/gas/write.h @@ -0,0 +1,130 @@ +/* write.h -> write.c */ + +/* MODIFIED BY CHRIS BENENATI, FOR INTEL CORPORATION, 4/89 */ +/* write.h -> write.c + Copyright (C) 1987 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 1, 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, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#ifndef TC_I960 +#ifdef hpux +#define EXEC_MACHINE_TYPE HP9000S200_ID +#endif +#endif /* TC_I960 */ + +#ifndef LOCAL_LABEL +#ifdef DOT_LABEL_PREFIX +#define LOCAL_LABEL(name) (name[0] =='.' \ + && ( name [1] == 'L' || name [1] == '.' )) +#else /* not defined DOT_LABEL_PREFIX */ +#define LOCAL_LABEL(name) (name [0] == 'L' ) +#endif /* not defined DOT_LABEL_PREFIX */ +#endif /* LOCAL_LABEL */ + +#define S_LOCAL_NAME(s) (LOCAL_LABEL(S_GET_NAME(s))) + +/* The bit_fix was implemented to support machines that need variables + to be inserted in bitfields other than 1, 2 and 4 bytes. + Furthermore it gives us a possibillity to mask in bits in the symbol + when it's fixed in the objectcode and check the symbols limits. + + The or-mask is used to set the huffman bits in displacements for the + ns32k port. + The acbi, addqi, movqi, cmpqi instruction requires an assembler that + can handle bitfields. Ie handle an expression, evaluate it and insert + the result in an some bitfield. ( ex: 5 bits in a short field of a opcode) + */ + +struct bit_fix { + int fx_bit_size; /* Length of bitfield */ + int fx_bit_offset; /* Bit offset to bitfield */ + long fx_bit_base; /* Where do we apply the bitfix. + If this is zero, default is assumed. */ + long fx_bit_base_adj;/* Adjustment of base */ + long fx_bit_max; /* Signextended max for bitfield */ + long fx_bit_min; /* Signextended min for bitfield */ + long fx_bit_add; /* Or mask, used for huffman prefix */ +}; +typedef struct bit_fix bit_fixS; +/* + * FixSs may be built up in any order. + */ + +struct fix +{ + fragS * fx_frag; /* Which frag? */ + long fx_where; /* Where is the 1st byte to fix up? */ + symbolS * fx_addsy; /* NULL or Symbol whose value we add in. */ + symbolS * fx_subsy; /* NULL or Symbol whose value we subtract. */ + long fx_offset; /* Absolute number we add in. */ + struct fix * fx_next; /* NULL or -> next fixS. */ + short int fx_size; /* How many bytes are involved? */ + char fx_pcrel; /* TRUE: pc-relative. */ + char fx_pcrel_adjust;/* pc-relative offset adjust */ + char fx_im_disp; /* TRUE: value is a displacement */ + bit_fixS * fx_bit_fixP; /* IF NULL no bitfix's to do */ + char fx_bsr; /* sequent-hack */ + enum reloc_type fx_r_type; /* Sparc hacks */ + char fx_callj; /* TRUE if target is a 'callj' + (used by i960) */ + long fx_addnumber; +}; + +typedef struct fix fixS; + +COMMON char *next_object_file_charP; + +COMMON fixS *text_fix_root, *text_fix_tail; /* Chains fixSs. */ +COMMON fixS *data_fix_root, *data_fix_tail; /* Chains fixSs. */ +COMMON fixS **seg_fix_rootP, **seg_fix_tailP; /* -> one of above. */ +extern long string_byte_count; +extern int section_alignment[]; + +#ifdef __STDC__ + +bit_fixS *bit_fix_new(char size, char offset, long base_type, long base_adj, long min, long max, long add); +void append(char **charPP, char *fromP, unsigned long length); +void record_alignment(segT seg, int align); +void write_object_file(void); + +fixS *fix_new(fragS *frag, + int where, + int size, + symbolS *add_symbol, + symbolS *sub_symbol, + long offset, + int pcrel, + enum reloc_type r_type); + +#else + +bit_fixS *bit_fix_new(); +fixS *fix_new(); +void append(); +void record_alignment(); +void write_object_file(); + +#endif /* __STDC__ */ + +/* + * Local Variables: + * comment-column: 0 + * fill-column: 131 + * End: + */ + +/* end of write.h */ |