| 1 | /* write.h |
| 2 | |
| 3 | Copyright (C) 1987, 1992, 1993 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GAS, the GNU Assembler. |
| 6 | |
| 7 | GAS is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2, or (at your option) |
| 10 | any later version. |
| 11 | |
| 12 | GAS is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with GAS; see the file COPYING. If not, write to |
| 19 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 20 | |
| 21 | #ifndef TC_I960 |
| 22 | #ifdef hpux |
| 23 | #define EXEC_MACHINE_TYPE HP9000S200_ID |
| 24 | #endif |
| 25 | #endif /* TC_I960 */ |
| 26 | |
| 27 | #ifndef LOCAL_LABEL |
| 28 | #ifdef DOT_LABEL_PREFIX |
| 29 | #define LOCAL_LABEL(name) (name[0] =='.' \ |
| 30 | && ( name [1] == 'L' || name [1] == '.' )) |
| 31 | #else /* not defined DOT_LABEL_PREFIX */ |
| 32 | #define LOCAL_LABEL(name) (name [0] == 'L' ) |
| 33 | #endif /* not defined DOT_LABEL_PREFIX */ |
| 34 | #endif /* LOCAL_LABEL */ |
| 35 | |
| 36 | #define S_LOCAL_NAME(s) (LOCAL_LABEL(S_GET_NAME(s))) |
| 37 | |
| 38 | #include "bit_fix.h" |
| 39 | |
| 40 | /* |
| 41 | * FixSs may be built up in any order. |
| 42 | */ |
| 43 | |
| 44 | struct fix |
| 45 | { |
| 46 | /* These small fields are grouped together for compactness of |
| 47 | this structure, and efficiency of access on some architectures. */ |
| 48 | char fx_pcrel_adjust; /* pc-relative offset adjust */ |
| 49 | unsigned fx_pcrel : 1; /* TRUE: pc-relative. */ |
| 50 | unsigned fx_im_disp : 1; /* TRUE: value is a displacement */ |
| 51 | unsigned fx_bsr : 1; /* sequent-hack */ |
| 52 | /* TRUE if target is a 'callj' (used by i960) */ |
| 53 | unsigned fx_callj : 1; |
| 54 | short int fx_size; /* How many bytes are involved? */ |
| 55 | |
| 56 | fragS *fx_frag; /* Which frag? */ |
| 57 | long fx_where; /* Where is the 1st byte to fix up? */ |
| 58 | symbolS *fx_addsy; /* NULL or Symbol whose value we add in. */ |
| 59 | symbolS *fx_subsy; /* NULL or Symbol whose value we subtract. */ |
| 60 | valueT fx_offset; /* Absolute number we add in. */ |
| 61 | struct fix *fx_next; /* NULL or -> next fixS. */ |
| 62 | bit_fixS *fx_bit_fixP; /* IF NULL no bitfix's to do */ |
| 63 | #ifdef BFD_ASSEMBLER |
| 64 | bfd_reloc_code_real_type fx_r_type; |
| 65 | #else |
| 66 | #ifdef NEED_FX_R_TYPE |
| 67 | /* Hack for machines where the type of reloc can't be |
| 68 | worked out by looking at how big it is. */ |
| 69 | int fx_r_type; |
| 70 | #endif |
| 71 | #endif |
| 72 | |
| 73 | /* This field is sort of misnamed. It appears to be a sort of random |
| 74 | scratch field, for use by the back ends. The main gas code doesn't |
| 75 | do anything but initialize it to zero. The use of it does need to |
| 76 | be coordinated between the cpu and format files, though. E.g., some |
| 77 | coff targets pass the `addend' field from the cpu file via this |
| 78 | field. I don't know why the `fx_offset' field above can't be used |
| 79 | for that; investigate later and document. KR */ |
| 80 | valueT fx_addnumber; |
| 81 | }; |
| 82 | |
| 83 | typedef struct fix fixS; |
| 84 | |
| 85 | #ifndef BFD_ASSEMBLER |
| 86 | extern char *next_object_file_charP; |
| 87 | |
| 88 | #ifndef MANY_SEGMENTS |
| 89 | COMMON fixS *text_fix_root, *text_fix_tail; /* Chains fixSs. */ |
| 90 | COMMON fixS *data_fix_root, *data_fix_tail; /* Chains fixSs. */ |
| 91 | COMMON fixS *bss_fix_root, *bss_fix_tail; /* Chains fixSs. */ |
| 92 | #endif |
| 93 | COMMON fixS **seg_fix_rootP, **seg_fix_tailP; /* -> one of above. */ |
| 94 | #endif |
| 95 | |
| 96 | extern long string_byte_count; |
| 97 | extern int section_alignment[]; |
| 98 | |
| 99 | bit_fixS *bit_fix_new PARAMS ((int size, int offset, long base_type, |
| 100 | long base_adj, long min, long max, long add)); |
| 101 | void append PARAMS ((char **charPP, char *fromP, unsigned long length)); |
| 102 | void record_alignment PARAMS ((segT seg, int align)); |
| 103 | void write_object_file PARAMS ((void)); |
| 104 | |
| 105 | #ifdef BFD_ASSEMBLER |
| 106 | fixS *fix_new PARAMS ((fragS * frag, int where, int size, |
| 107 | symbolS * add_symbol, symbolS * sub_symbol, |
| 108 | offsetT offset, int pcrel, |
| 109 | bfd_reloc_code_real_type r_type)); |
| 110 | #else |
| 111 | fixS *fix_new PARAMS ((fragS * frag, int where, int size, |
| 112 | symbolS * add_symbol, symbolS * sub_symbol, |
| 113 | long offset, int pcrel, int r_type)); |
| 114 | #endif |
| 115 | |
| 116 | /* end of write.h */ |