| 1 | /* coff information for TI TMS320C80 (MVP) | 
|---|
| 2 |  | 
|---|
| 3 | Copyright 2001 Free Software Foundation, Inc. | 
|---|
| 4 |  | 
|---|
| 5 | This program is free software; you can redistribute it and/or modify | 
|---|
| 6 | it under the terms of the GNU General Public License as published by | 
|---|
| 7 | the Free Software Foundation; either version 2 of the License, or | 
|---|
| 8 | (at your option) any later version. | 
|---|
| 9 |  | 
|---|
| 10 | This program is distributed in the hope that it will be useful, | 
|---|
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|---|
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|---|
| 13 | GNU General Public License for more details. | 
|---|
| 14 |  | 
|---|
| 15 | You should have received a copy of the GNU General Public License | 
|---|
| 16 | along with this program; if not, write to the Free Software | 
|---|
| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */ | 
|---|
| 18 |  | 
|---|
| 19 | #define DO_NOT_DEFINE_FILHDR | 
|---|
| 20 | #define DO_NOT_DEFINE_SCNHDR | 
|---|
| 21 | #define L_LNNO_SIZE 2 | 
|---|
| 22 | #include "coff/external.h" | 
|---|
| 23 |  | 
|---|
| 24 | /********************** FILE HEADER **********************/ | 
|---|
| 25 |  | 
|---|
| 26 | struct external_filehdr | 
|---|
| 27 | { | 
|---|
| 28 | char f_magic[2];    /* magic number                 */ | 
|---|
| 29 | char f_nscns[2];    /* number of sections           */ | 
|---|
| 30 | char f_timdat[4];   /* time & date stamp            */ | 
|---|
| 31 | char f_symptr[4];   /* file pointer to symtab       */ | 
|---|
| 32 | char f_nsyms[4];    /* number of symtab entries     */ | 
|---|
| 33 | char f_opthdr[2];   /* sizeof(optional hdr)         */ | 
|---|
| 34 | char f_flags[2];    /* flags                        */ | 
|---|
| 35 | char f_target_id[2];/* target id (TIc80 specific)   */ | 
|---|
| 36 | }; | 
|---|
| 37 |  | 
|---|
| 38 | #define TIC80_ARCH_MAGIC        0x0C1   /* Goes in the file header magic number field */ | 
|---|
| 39 | #define TIC80_TARGET_ID         0x95    /* Goes in the target id field */ | 
|---|
| 40 |  | 
|---|
| 41 | #define TIC80BADMAG(x) ((x).f_magic != TIC80_ARCH_MAGIC) | 
|---|
| 42 |  | 
|---|
| 43 | #define FILHDR  struct external_filehdr | 
|---|
| 44 | #define FILHSZ  22 | 
|---|
| 45 |  | 
|---|
| 46 | #define TIC80_AOUTHDR_MAGIC     0x108   /* Goes in the optional file header magic number field */ | 
|---|
| 47 |  | 
|---|
| 48 | /********************** SECTION HEADER **********************/ | 
|---|
| 49 |  | 
|---|
| 50 | struct external_scnhdr | 
|---|
| 51 | { | 
|---|
| 52 | char            s_name[8];      /* section name                 */ | 
|---|
| 53 | char            s_paddr[4];     /* physical address, aliased s_nlib */ | 
|---|
| 54 | char            s_vaddr[4];     /* virtual address              */ | 
|---|
| 55 | char            s_size[4];      /* section size                 */ | 
|---|
| 56 | char            s_scnptr[4];    /* file ptr to raw data for section */ | 
|---|
| 57 | char            s_relptr[4];    /* file ptr to relocation       */ | 
|---|
| 58 | char            s_lnnoptr[4];   /* file ptr to line numbers     */ | 
|---|
| 59 | char            s_nreloc[2];    /* number of relocation entries */ | 
|---|
| 60 | char            s_nlnno[2];     /* number of line number entries*/ | 
|---|
| 61 | char            s_flags[2];     /* flags                        */ | 
|---|
| 62 | char            s_reserved[1];  /* reserved (TIc80 specific)    */ | 
|---|
| 63 | char            s_mempage[1];   /* memory page number (TIc80)   */ | 
|---|
| 64 | }; | 
|---|
| 65 |  | 
|---|
| 66 | /* Names of "special" sections.  */ | 
|---|
| 67 | #define _TEXT   ".text" | 
|---|
| 68 | #define _DATA   ".data" | 
|---|
| 69 | #define _BSS    ".bss" | 
|---|
| 70 | #define _CINIT  ".cinit" | 
|---|
| 71 | #define _CONST  ".const" | 
|---|
| 72 | #define _SWITCH ".switch" | 
|---|
| 73 | #define _STACK  ".stack" | 
|---|
| 74 | #define _SYSMEM ".sysmem" | 
|---|
| 75 |  | 
|---|
| 76 | #define SCNHDR  struct external_scnhdr | 
|---|
| 77 | #define SCNHSZ  40 | 
|---|
| 78 |  | 
|---|
| 79 | /* FIXME - need to correlate external_auxent with | 
|---|
| 80 | TIc80 Code Generation Tools User's Guide, CG:A-25 */ | 
|---|
| 81 |  | 
|---|
| 82 | /********************** RELOCATION DIRECTIVES **********************/ | 
|---|
| 83 |  | 
|---|
| 84 | /* The external reloc has an offset field, because some of the reloc | 
|---|
| 85 | types on the h8 don't have room in the instruction for the entire | 
|---|
| 86 | offset - eg the strange jump and high page addressing modes.  */ | 
|---|
| 87 |  | 
|---|
| 88 | struct external_reloc | 
|---|
| 89 | { | 
|---|
| 90 | char r_vaddr[4]; | 
|---|
| 91 | char r_symndx[4]; | 
|---|
| 92 | char r_reserved[2]; | 
|---|
| 93 | char r_type[2]; | 
|---|
| 94 | }; | 
|---|
| 95 |  | 
|---|
| 96 | #define RELOC struct external_reloc | 
|---|
| 97 | #define RELSZ 12 | 
|---|
| 98 |  | 
|---|
| 99 | /* TIc80 relocation types. */ | 
|---|
| 100 |  | 
|---|
| 101 | #define R_ABS           0x00            /* Absolute address - no relocation */ | 
|---|
| 102 | #define R_RELLONGX      0x11            /* PP: 32 bits, direct */ | 
|---|
| 103 | #define R_PPBASE        0x34            /* PP: Global base address type */ | 
|---|
| 104 | #define R_PPLBASE       0x35            /* PP: Local base address type */ | 
|---|
| 105 | #define R_PP15          0x38            /* PP: Global 15 bit offset */ | 
|---|
| 106 | #define R_PP15W         0x39            /* PP: Global 15 bit offset divided by 4 */ | 
|---|
| 107 | #define R_PP15H         0x3A            /* PP: Global 15 bit offset divided by 2 */ | 
|---|
| 108 | #define R_PP16B         0x3B            /* PP: Global 16 bit offset for bytes */ | 
|---|
| 109 | #define R_PPL15         0x3C            /* PP: Local 15 bit offset */ | 
|---|
| 110 | #define R_PPL15W        0x3D            /* PP: Local 15 bit offset divided by 4 */ | 
|---|
| 111 | #define R_PPL15H        0x3E            /* PP: Local 15 bit offset divided by 2 */ | 
|---|
| 112 | #define R_PPL16B        0x3F            /* PP: Local 16 bit offset for bytes */ | 
|---|
| 113 | #define R_PPN15         0x40            /* PP: Global 15 bit negative offset */ | 
|---|
| 114 | #define R_PPN15W        0x41            /* PP: Global 15 bit negative offset divided by 4 */ | 
|---|
| 115 | #define R_PPN15H        0x42            /* PP: Global 15 bit negative offset divided by 2 */ | 
|---|
| 116 | #define R_PPN16B        0x43            /* PP: Global 16 bit negative byte offset */ | 
|---|
| 117 | #define R_PPLN15        0x44            /* PP: Local 15 bit negative offset */ | 
|---|
| 118 | #define R_PPLN15W       0x45            /* PP: Local 15 bit negative offset divided by 4 */ | 
|---|
| 119 | #define R_PPLN15H       0x46            /* PP: Local 15 bit negative offset divided by 2 */ | 
|---|
| 120 | #define R_PPLN16B       0x47            /* PP: Local 16 bit negative byte offset */ | 
|---|
| 121 | #define R_MPPCR15W      0x4E            /* MP: 15 bit PC-relative divided by 4 */ | 
|---|
| 122 | #define R_MPPCR         0x4F            /* MP: 32 bit PC-relative divided by 4 */ | 
|---|