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Diffstat (limited to 'binutils-2.25/include/vms/lbr.h')
| -rw-r--r-- | binutils-2.25/include/vms/lbr.h | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/binutils-2.25/include/vms/lbr.h b/binutils-2.25/include/vms/lbr.h new file mode 100644 index 00000000..fd3c256a --- /dev/null +++ b/binutils-2.25/include/vms/lbr.h @@ -0,0 +1,332 @@ +/* Alpha VMS external format of Libraries. + + Copyright 2010 Free Software Foundation, Inc. + Written by Tristan Gingold <gingold@adacore.com>, AdaCore. + + This file is part of BFD, the Binary File Descriptor library. + + This program 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 3 of the License, or + (at your option) any later version. + + This program 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 this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#ifndef _VMS_LBR_H +#define _VMS_LBR_H + +/* Libray HeaDer. */ + +/* Magic numbers. Should match the major version. */ + +#define LHD_SANEID_DCX 319232342 +#define LHD_SANEID3 233579905 +#define LHD_SANEID6 233579911 + +/* Library type. */ +#define LBR__C_TYP_UNK 0 /* Unknown / unspecified. */ +#define LBR__C_TYP_OBJ 1 /* Vax object. */ +#define LBR__C_TYP_MLB 2 /* Macro. */ +#define LBR__C_TYP_HLP 3 /* Help. */ +#define LBR__C_TYP_TXT 4 /* Text. */ +#define LBR__C_TYP_SHSTB 5 /* Vax shareable image. */ +#define LBR__C_TYP_NCS 6 /* NCS. */ +#define LBR__C_TYP_EOBJ 7 /* Alpha object. */ +#define LBR__C_TYP_ESHSTB 8 /* Alpha shareable image. */ +#define LBR__C_TYP_IOBJ 9 /* IA-64 object. */ +#define LBR__C_TYP_ISHSTB 10 /* IA-64 shareable image. */ + +struct vms_lhd +{ + /* Type of the library. See above. */ + unsigned char type; + + /* Number of indexes. Generally 1, 2 for object libraries. */ + unsigned char nindex; + + unsigned char fill_1[2]; + + /* Sanity Id. */ + unsigned char sanity[4]; + + /* Version. */ + unsigned char majorid[2]; + unsigned char minorid[2]; + + /* Tool name. */ + unsigned char lbrver[32]; + + /* Create time. */ + unsigned char credat[8]; + + /* Update time. */ + unsigned char updtim[8]; + + /* Size of the MHD. */ + unsigned char mhdusz; + + unsigned char idxblkf[2]; /* Unused. */ + unsigned char fill_2; + unsigned char closerror[2]; + + unsigned char spareword[2]; + + /* First free block, and number of free blocks. */ + unsigned char freevbn[4]; + unsigned char freeblk[4]; + + unsigned char nextrfa[6]; + unsigned char nextvbn[4]; + + /* Free pre-allocated index block. */ + /* Number of free blocks. */ + unsigned char freidxblk[4]; + /* VBN of a simply linked list of free blocks. The list is terminated by a + nul VBN. */ + unsigned char freeidx[4]; + + /* Highest pre-allocated index block and in use. */ + unsigned char hipreal[4]; + unsigned char hiprusd[4]; + + /* Number of index blocks in use. */ + unsigned char idxblks[4]; + + /* Number of index entries. */ + unsigned char idxcnt[4]; + + /* Number of modules entries. */ + unsigned char modcnt[4]; + + unsigned char fill_3[2]; + + /* Number of module headers. */ + unsigned char modhdrs[4]; + + /* Overhead index pointers. */ + unsigned char idxovh[4]; + + /* Update history records. */ + unsigned char maxluhrec[2]; + unsigned char numluhrec[2]; + unsigned char begluhrfa[6]; + unsigned char endluhrfa[6]; + + /* DCX map. */ + unsigned char dcxmapvbn[4]; + + unsigned char fill_4[4 * 13]; +}; + +/* Known major ids. */ +#define LBR_MAJORID 3 /* Alpha libraries. */ +#define LBR_ELFMAJORID 6 /* Elf libraries (new index, new data). */ + +/* Offset of the first IDD. */ +#define LHD_IDXDESC 196 + +/* InDex Description. */ +struct vms_idd +{ + unsigned char flags[2]; + + /* Max length of the key. */ + unsigned char keylen[2]; + + /* First index block. */ + unsigned char vbn[4]; +}; + +/* IDD flags. */ +#define IDD__FLAGS_ASCII 1 +#define IDD__FLAGS_LOCKED 2 +#define IDD__FLAGS_VARLENIDX 4 +#define IDD__FLAGS_NOCASECMP 8 +#define IDD__FLAGS_NOCASENTR 16 +#define IDD__FLAGS_UPCASNTRY 32 + +#define IDD_LENGTH 8 + +/* Index block. */ +#define INDEXDEF__LENGTH 512 +#define INDEXDEF__BLKSIZ 500 + +struct vms_indexdef +{ + /* Number of bytes used. */ + unsigned char used[2]; + + /* VBN of the parent. */ + unsigned char parent[4]; + + unsigned char fill_1[6]; + + /* The key field contains vms_idx/vms_elfidx structures, which are + simply a key (= a string) and a rfa. */ + unsigned char keys[INDEXDEF__BLKSIZ]; +}; + +/* An offset in a file. */ + +struct vms_rfa +{ + /* Logical block number, 1 based. + 0 means that the field is absent. Block size is 512. */ + unsigned char vbn[4]; + + /* Offset within the block. */ + unsigned char offset[2]; +}; + +/* Index keys. For version 3. */ + +struct vms_idx +{ + /* Offset from the start of the vbn, so minimum should be + DATA__DATA (ie 6). */ + struct vms_rfa rfa; + + unsigned char keylen; + /* The length of this field is in fact keylen. */ + unsigned char keyname[256]; +}; + +/* Index keys, for version 4 and later. */ + +struct vms_elfidx +{ + struct vms_rfa rfa; + + unsigned char keylen[2]; + unsigned char flags; + unsigned char keyname[256]; +}; + +/* Flags of elfidx. */ + +#define ELFIDX__WEAK 0x01 /* Weak symbol. */ +#define ELFIDX__GROUP 0x02 /* Group symbol. */ +#define ELFIDX__LISTRFA 0x04 /* RFA field points to an LHS. */ +#define ELFIDX__SYMESC 0x08 /* Long symbol. */ + +#define RFADEF__C_INDEX 0xffff + +/* List head structure. That's what is pointed by rfa when LISTRFA flag + is set in elfidx. */ + +struct vms_lhs +{ + struct vms_rfa ng_g_rfa; /* Non-group global. */ + struct vms_rfa ng_wk_rfa; /* Non-group weak. */ + struct vms_rfa g_g_rfa; /* Group global. */ + struct vms_rfa g_wk_rfa; /* Group weak. */ + unsigned char flags; +}; + +/* List node structure. Fields of LHS point to this structure. */ + +struct vms_lns +{ + /* Next node in the list. */ + struct vms_rfa nxtrfa; + + /* Module associated with the key. */ + struct vms_rfa modrfa; +}; + +struct vms_datadef +{ + /* Number of records in this block. */ + unsigned char recs; + unsigned char fill_1; + + /* Next vbn. */ + unsigned char link[4]; + + /* Data. The first word is the record length, followed by record + data and a possible pad byte so that record length is always aligned. */ + unsigned char data[506]; +}; +#define DATA__LENGTH 512 +#define DATA__DATA 6 + +/* Key name block. This is used for keys longer than 128 bytes. */ + +struct vms_kbn +{ + /* Length of the key chunk. */ + unsigned char keylen[2]; + + /* RFA of the next chunk. */ + struct vms_rfa rfa; + + /* Followed by the key chunk. */ +}; + +/* Module header. */ +struct vms_mhd +{ + /* Fixed part. */ + unsigned char lbrflag; + unsigned char id; + unsigned char fill_1[2]; + unsigned char refcnt[4]; + unsigned char datim[8]; + + unsigned char objstat; + /* Ident or GSMATCH. */ + unsigned char objidlng; + unsigned char objid[31]; + + unsigned char pad1[3]; + unsigned char otherefcnt[4]; + unsigned char modsize[4]; + unsigned char pad2[4]; +}; + +#define MHD__C_MHDID 0xad /* Value for id. */ +#define MHD__C_MHDLEN 16 /* Fixed part length. */ +#define MHD__C_USRDAT 16 + +/* Flags for objstat. */ +#define MHD__M_SELSRC 0x1 /* Selective search. */ +#define MHD__M_OBJTIR 0x2 +#define MHD__M_WKSYM 0x4 + +struct vms_luh +{ + unsigned char nxtluhblk[4]; + unsigned char spare[2]; + unsigned char data[506]; +}; + +struct vms_luhdef +{ + unsigned char rechdr[2]; + unsigned char reclen[2]; +}; +#define LUH__RECHDRLEN 4 +#define LUH__RECHDRMRK 0xabba +#define LUH__DATAFLDLEN 506 + +/* Entry in the history. */ + +struct vms_leh +{ + unsigned char date[8]; + unsigned char nbr_units[2]; + unsigned char action[2]; /* 1: delete, 2: insert, 3: replaced. */ + unsigned char idlen; + /* username + modules... */ +}; + +#endif /* _VMS_LBR_H */ |