1/* vms.h -- Header file for VMS (Alpha and Vax) support.
2   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2007
3   Free Software Foundation, Inc.
4
5   Written by Klaus K"ampf (kkaempf@rmi.de)
6
7   This file is part of BFD, the Binary File Descriptor library.
8
9   This program is free software; you can redistribute it and/or modify
10   it under the terms of the GNU General Public License as published by
11   the Free Software Foundation; either version 3 of the License, or
12   (at your option) any later version.
13
14   This program is distributed in the hope that it will be useful,
15   but WITHOUT ANY WARRANTY; without even the implied warranty of
16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17   GNU General Public License for more details.
18
19   You should have received a copy of the GNU General Public License
20   along with this program; if not, write to the Free Software
21   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22   MA 02110-1301, USA.  */
23
24#undef vms
25#ifndef VMS_H
26#define VMS_H
27
28/* Constants starting with 'Exxx_' are for openVMS/Alpha (EVAX object language)  */
29
30/* VMS Text, information and relocation record (TIR/ETIR) definitions.  */
31
32#define TIR_S_C_STA_GBL		0
33#define TIR_S_C_STA_SB		1
34#define TIR_S_C_STA_SW		2
35#define TIR_S_C_STA_LW		3
36#define TIR_S_C_STA_PB		4
37#define TIR_S_C_STA_PW		5
38#define TIR_S_C_STA_PL		6
39#define TIR_S_C_STA_UB  	7
40#define TIR_S_C_STA_UW  	8
41#define TIR_S_C_STA_BFI 	9
42#define TIR_S_C_STA_WFI 	10
43#define TIR_S_C_STA_LFI 	11
44#define TIR_S_C_STA_EPM 	12
45#define TIR_S_C_STA_CKARG       13
46#define TIR_S_C_STA_WPB 	14
47#define TIR_S_C_STA_WPW 	15
48#define TIR_S_C_STA_WPL 	16
49#define TIR_S_C_STA_LSY 	17
50#define TIR_S_C_STA_LIT 	18
51#define TIR_S_C_STA_LEPM        19
52#define TIR_S_C_MAXSTACOD       19
53#define TIR_S_C_MINSTOCOD       20
54#define TIR_S_C_STO_SB  	20
55#define TIR_S_C_STO_SW  	21
56#define TIR_S_C_STO_L   	22
57#define TIR_S_C_STO_LW  	22
58#define TIR_S_C_STO_BD  	23
59#define TIR_S_C_STO_WD  	24
60#define TIR_S_C_STO_LD  	25
61#define TIR_S_C_STO_LI  	26
62#define TIR_S_C_STO_PIDR        27
63#define TIR_S_C_STO_PICR        28
64#define TIR_S_C_STO_RSB 	29
65#define TIR_S_C_STO_RSW 	30
66#define TIR_S_C_STO_RL  	31
67#define TIR_S_C_STO_VPS 	32
68#define TIR_S_C_STO_USB 	33
69#define TIR_S_C_STO_USW 	34
70#define TIR_S_C_STO_RUB 	35
71#define TIR_S_C_STO_RUW 	36
72#define TIR_S_C_STO_B   	37
73#define TIR_S_C_STO_W   	38
74#define TIR_S_C_STO_RB  	39
75#define TIR_S_C_STO_RW  	40
76#define TIR_S_C_STO_RIVB        41
77#define TIR_S_C_STO_PIRR        42
78#define TIR_S_C_MAXSTOCOD       42
79#define TIR_S_C_MINOPRCOD       50
80#define TIR_S_C_OPR_NOP 	50
81#define TIR_S_C_OPR_ADD 	51
82#define TIR_S_C_OPR_SUB 	52
83#define TIR_S_C_OPR_MUL 	53
84#define TIR_S_C_OPR_DIV 	54
85#define TIR_S_C_OPR_AND 	55
86#define TIR_S_C_OPR_IOR 	56
87#define TIR_S_C_OPR_EOR 	57
88#define TIR_S_C_OPR_NEG 	58
89#define TIR_S_C_OPR_COM 	59
90#define TIR_S_C_OPR_INSV        60
91#define TIR_S_C_OPR_ASH 	61
92#define TIR_S_C_OPR_USH 	62
93#define TIR_S_C_OPR_ROT 	63
94#define TIR_S_C_OPR_SEL 	64
95#define TIR_S_C_OPR_REDEF       65
96#define TIR_S_C_OPR_DFLIT       66
97#define TIR_S_C_MAXOPRCOD       66
98#define TIR_S_C_MINCTLCOD       80
99#define TIR_S_C_CTL_SETRB       80
100#define TIR_S_C_CTL_AUGRB       81
101#define TIR_S_C_CTL_DFLOC       82
102#define TIR_S_C_CTL_STLOC       83
103#define TIR_S_C_CTL_STKDL       84
104#define TIR_S_C_MAXCTLCOD       84
105
106#define ETIR_S_C_MINSTACOD 0		/* Minimum store code.		*/
107#define ETIR_S_C_STA_GBL 0		/* Stack global symbol value.	*/
108#define ETIR_S_C_STA_LW 1		/* Stack longword.		*/
109#define ETIR_S_C_STA_QW 2		/* Stack quadword.		*/
110#define ETIR_S_C_STA_PQ 3		/* Stack psect base plus quadword offset.  */
111#define ETIR_S_C_STA_LI 4		/* Stack literal.		*/
112#define ETIR_S_C_STA_MOD 5		/* Stack module.		*/
113#define ETIR_S_C_STA_CKARG 6		/* Check Arguments.		*/
114#define ETIR_S_C_MAXSTACOD 6		/* Maximum stack code.		*/
115#define ETIR_S_C_MINSTOCOD 50		/* Minimum store code.		*/
116#define ETIR_S_C_STO_B 50		/* Store byte.			*/
117#define ETIR_S_C_STO_W 51		/* Store word.			*/
118#define ETIR_S_C_STO_LW 52		/* Store longword.		*/
119#define ETIR_S_C_STO_QW 53		/* Store quadword.		*/
120#define ETIR_S_C_STO_IMMR 54		/* Store immediate Repeated.	*/
121#define ETIR_S_C_STO_GBL 55		/* Store global.		*/
122#define ETIR_S_C_STO_CA 56		/* Store code address.		*/
123#define ETIR_S_C_STO_RB 57		/* Store relative branch.	*/
124#define ETIR_S_C_STO_AB 58		/* Store absolute branch.	*/
125#define ETIR_S_C_STO_OFF 59		/* Store offset within psect.	*/
126#define ETIR_S_C_STO_IMM 61		/* Store immediate.		*/
127#define ETIR_S_C_STO_GBL_LW 62		/* Store global Longword.	*/
128#define ETIR_S_C_STO_LP_PSB 63		/* STO_LP_PSB not valid in level 2 use STC_LP_PSB.  */
129#define ETIR_S_C_STO_HINT_GBL 64	/* Store 14 bit HINT at global address.  */
130#define ETIR_S_C_STO_HINT_PS 65		/* Store 14 bit HINT at psect + offset */
131#define ETIR_S_C_MAXSTOCOD 65		/* Maximum store code.		*/
132#define ETIR_S_C_MINOPRCOD 100		/* Minimum operate code.	*/
133#define ETIR_S_C_OPR_NOP 100		/* No-op.			*/
134#define ETIR_S_C_OPR_ADD 101		/* Add.				*/
135#define ETIR_S_C_OPR_SUB 102		/* Subtract.			*/
136#define ETIR_S_C_OPR_MUL 103		/* Multiply.			*/
137#define ETIR_S_C_OPR_DIV 104		/* Divide.			*/
138#define ETIR_S_C_OPR_AND 105		/* Logical AND.			*/
139#define ETIR_S_C_OPR_IOR 106		/* Logical inclusive OR.	*/
140#define ETIR_S_C_OPR_EOR 107		/* Logical exclusive OR.	*/
141#define ETIR_S_C_OPR_NEG 108		/* Negate.			*/
142#define ETIR_S_C_OPR_COM 109		/* Complement.			*/
143#define ETIR_S_C_OPR_INSV 110		/* Insert bit field.		*/
144#define ETIR_S_C_OPR_ASH 111		/* Arithmetic shift.		*/
145#define ETIR_S_C_OPR_USH 112		/* Unsigned shift.		*/
146#define ETIR_S_C_OPR_ROT 113		/* Rotate.			*/
147#define ETIR_S_C_OPR_SEL 114		/* Select one of three longwords on top of stack.   */
148#define ETIR_S_C_OPR_REDEF 115		/* Redefine this symbol after pass 2.  */
149#define ETIR_S_C_OPR_DFLIT 116		/* Define a literal.		*/
150#define ETIR_S_C_MAXOPRCOD 116		/* Maximum operate code.	*/
151#define ETIR_S_C_MINCTLCOD 150		/* Minimum control code.	*/
152#define ETIR_S_C_CTL_SETRB 150		/* Set relocation base.		*/
153#define ETIR_S_C_CTL_AUGRB 151		/* Augment relocation base.	*/
154#define ETIR_S_C_CTL_DFLOC 152		/* Define debug location.	*/
155#define ETIR_S_C_CTL_STLOC 153		/* Set debug location.		*/
156#define ETIR_S_C_CTL_STKDL 154		/* Stack debug location.	*/
157#define ETIR_S_C_MAXCTLCOD 154		/* Maximum control code.	*/
158#define ETIR_S_C_MINSTCCOD 200		/* Minimum store-conditional code.   */
159#define ETIR_S_C_STC_LP 200		/* Store-conditional Linkage Pair.   */
160#define ETIR_S_C_STC_LP_PSB 201		/* Store-conditional Linkage Pair with Procedure Signature.  */
161#define ETIR_S_C_STC_GBL 202		/* Store-conditional Address at global address.  */
162#define ETIR_S_C_STC_GCA 203		/* Store-conditional Code Address at global address.  */
163#define ETIR_S_C_STC_PS 204		/* Store-conditional Address at psect + offset.  */
164#define ETIR_S_C_STC_NOP_GBL 205	/* Store-conditional NOP at address of global.  */
165#define ETIR_S_C_STC_NOP_PS 206		/* Store-conditional NOP at pect + offset.  */
166#define ETIR_S_C_STC_BSR_GBL 207	/* Store-conditional BSR at global address.  */
167#define ETIR_S_C_STC_BSR_PS 208		/* Store-conditional BSR at pect + offset.  */
168#define ETIR_S_C_STC_LDA_GBL 209	/* Store-conditional LDA at global address.  */
169#define ETIR_S_C_STC_LDA_PS 210		/* Store-conditional LDA at psect + offset.  */
170#define ETIR_S_C_STC_BOH_GBL 211	/* Store-conditional BSR or Hint at global address.  */
171#define ETIR_S_C_STC_BOH_PS 212		/* Store-conditional BSR or Hint at pect + offset.  */
172#define ETIR_S_C_STC_NBH_GBL 213	/* Store-conditional NOP,BSR or HINT at global address.  */
173#define ETIR_S_C_STC_NBH_PS 214		/* Store-conditional NOP,BSR or HINT at psect + offset.  */
174#define ETIR_S_C_MAXSTCCOD 214		/* Maximum store-conditional code.   */
175
176/* VMS Global symbol definition record (GSD/EGSD).  */
177
178#define GSD_S_K_ENTRIES 1
179#define GSD_S_C_ENTRIES 1
180#define GSD_S_C_PSC     0
181#define GSD_S_C_SYM     1
182#define GSD_S_C_EPM     2
183#define GSD_S_C_PRO     3
184#define GSD_S_C_SYMW    4
185#define GSD_S_C_EPMW    5
186#define GSD_S_C_PROW    6
187#define GSD_S_C_IDC     7
188#define GSD_S_C_ENV     8
189#define GSD_S_C_LSY     9
190#define GSD_S_C_LEPM    10
191#define GSD_S_C_LPRO    11
192#define GSD_S_C_SPSC    12
193#define GSD_S_C_SYMV    13
194#define GSD_S_C_EPMV    14
195#define GSD_S_C_PROV    15
196#define GSD_S_C_MAXRECTYP       15
197
198#define EGSD_S_K_ENTRIES 2	/* Offset to first entry in record.	*/
199#define EGSD_S_C_ENTRIES 2	/* Offset to first entry in record.	*/
200#define EGSD_S_C_PSC 0		/* Psect definition.			*/
201#define EGSD_S_C_SYM 1		/* Symbol specification.		*/
202#define EGSD_S_C_IDC 2		/* Random entity check.			*/
203#define EGSD_S_C_SPSC 5		/* Shareable image psect definition.	*/
204#define EGSD_S_C_SYMV 6		/* Vectored (dual-valued) versions of SYM.  */
205#define EGSD_S_C_SYMM 7		/* Masked versions of SYM.		*/
206#define EGSD_S_C_SYMG 8		/* EGST - gst version of SYM.		*/
207#define EGSD_S_C_MAXRECTYP 8	/* Maximum entry type defined.		*/
208
209#define GPS_S_M_PIC     1
210#define GPS_S_M_LIB     2
211#define GPS_S_M_OVR     4
212#define GPS_S_M_REL     8
213#define GPS_S_M_GBL     16
214#define GPS_S_M_SHR     32
215#define GPS_S_M_EXE     64
216#define GPS_S_M_RD      128
217#define GPS_S_M_WRT     256
218#define GPS_S_M_VEC     512
219#define GPS_S_K_NAME    9
220#define GPS_S_C_NAME    9
221
222#define EGPS_S_V_PIC	0x0001
223#define EGPS_S_V_LIB	0x0002
224#define EGPS_S_V_OVR	0x0004
225#define EGPS_S_V_REL	0x0008
226#define EGPS_S_V_GBL	0x0010
227#define EGPS_S_V_SHR	0x0020
228#define EGPS_S_V_EXE	0x0040
229#define EGPS_S_V_RD	0x0080
230#define EGPS_S_V_WRT	0x0100
231#define EGPS_S_V_VEC	0x0200
232#define EGPS_S_V_NOMOD	0x0400
233#define EGPS_S_V_COM	0x0800
234
235#define GSY_S_M_WEAK    1
236#define GSY_S_M_DEF     2
237#define GSY_S_M_UNI     4
238#define GSY_S_M_REL     8
239
240#define EGSY_S_V_WEAK	0x0001
241#define EGSY_S_V_DEF	0x0002
242#define EGSY_S_V_UNI	0x0004
243#define EGSY_S_V_REL	0x0008
244#define EGSY_S_V_COMM	0x0010
245#define EGSY_S_V_VECEP	0x0020
246#define EGSY_S_V_NORM	0x0040
247
248#define LSY_S_M_DEF     2
249#define LSY_S_M_REL     8
250
251#define ENV_S_M_DEF     1
252#define ENV_S_M_NESTED  2
253
254/* Debugger symbol definitions:  These are done by hand,
255   as no machine-readable version seems to be available.  */
256#define DST_S_C_C		  7	/* Language == "C".	*/
257#define DST_S_C_CXX		 15	/* Language == "C++".	*/
258#define DST_S_C_VERSION		153
259#define	DST_S_C_SOURCE		155	/* Source file.		*/
260#define DST_S_C_PROLOG		162
261#define	DST_S_C_BLKBEG		176	/* Beginning of block.	*/
262#define	DST_S_C_BLKEND		177	/* End of block.	*/
263#define DST_S_C_ENTRY		181
264#define DST_S_C_PSECT		184
265#define	DST_S_C_LINE_NUM	185	/* Line Number.		*/
266#define DST_S_C_LBLORLIT	186
267#define DST_S_C_LABEL		187
268#define	DST_S_C_MODBEG		188	/* Beginning of module. */
269#define	DST_S_C_MODEND		189	/* End of module.	*/
270#define	DST_S_C_RTNBEG		190	/* Beginning of routine.*/
271#define	DST_S_C_RTNEND		191	/* End of routine.	*/
272#define	DST_S_C_DELTA_PC_W	1	/* Incr PC.		*/
273#define	DST_S_C_INCR_LINUM	2	/* Incr Line #. 	*/
274#define	DST_S_C_INCR_LINUM_W	3	/* Incr Line #. 	*/
275#define DST_S_C_SET_LINUM_INCR	4
276#define DST_S_C_SET_LINUM_INCR_W 5
277#define DST_S_C_RESET_LINUM_INCR 6
278#define DST_S_C_BEG_STMT_MODE	7
279#define DST_S_C_END_STMT_MODE	8
280#define	DST_S_C_SET_LINE_NUM	9	/* Set Line #.		*/
281#define DST_S_C_SET_PC		10
282#define DST_S_C_SET_PC_W	11
283#define DST_S_C_SET_PC_L	12
284#define DST_S_C_SET_STMTNUM	13
285#define DST_S_C_TERM		14	/* End of lines.	*/
286#define DST_S_C_TERM_W		15	/* End of lines.	*/
287#define	DST_S_C_SET_ABS_PC	16	/* Set PC.		*/
288#define	DST_S_C_DELTA_PC_L	17	/* Incr PC.		*/
289#define DST_S_C_INCR_LINUM_L	18	/* Incr Line #.		*/
290#define DST_S_C_SET_LINUM_B	19	/* Set Line #.		*/
291#define DST_S_C_SET_LINUM_L	20	/* Set Line #.		*/
292#define	DST_S_C_TERM_L		21	/* End of lines.	*/
293/* These are used with DST_S_C_SOURCE */
294#define DST_S_C_SRC_DECLFILE	 1	/* Declare source file.  */
295#define DST_S_C_SRC_SETFILE	 2	/* Set source file.	 */
296#define DST_S_C_SRC_SETREC_L	 3	/* Set record, longword value.  */
297#define DST_S_C_SRC_SETREC_W	 4	/* Set record, word value.  */
298#define DST_S_C_SRC_DEFLINES_W	10	/* # of line, word counter.  */
299#define DST_S_C_SRC_DEFLINES_B	11	/* # of line, byte counter.  */
300#define DST_S_C_SRC_FORMFEED	16	/* ^L counts as a record.  */
301/* The following are the codes for the various data types.  Anything not on
302   the list is included under 'advanced_type'.  */
303#define DBG_S_C_UCHAR		0x02
304#define DBG_S_C_USINT		0x03
305#define DBG_S_C_ULINT		0x04
306#define DBG_S_C_UQUAD		0x05
307#define DBG_S_C_SCHAR		0x06
308#define DBG_S_C_SSINT		0x07
309#define DBG_S_C_SLINT		0x08
310#define DBG_S_C_SQUAD		0x09
311#define DBG_S_C_REAL4		0x0a
312#define DBG_S_C_REAL8		0x0b	/* D_float double.  */
313#define DBG_S_C_COMPLX4		0x0c	/* 2xF_float complex float.  */
314#define DBG_S_C_COMPLX8		0x0d	/* 2xD_float complex double.  */
315#define DBG_S_C_REAL8_G		0x1b	/* G_float double.  */
316#define DBG_S_C_COMPLX8_G	0x1d	/* 2xG_float complex double.  */
317#define DBG_S_C_FUNCTION_ADDR	0x17
318#define DBG_S_C_ADVANCED_TYPE	0xa3
319/*  Some of these are just for future reference.  [pr].  */
320#define DBG_S_C_UBITA		0x01	/* Unsigned, aligned bit field.  */
321#define DBG_S_C_UBITU		0x22	/* Unsigned, unaligned bit field.  */
322#define DBG_S_C_SBITA		0x29	/* Signed, aligned bit field.  */
323#define DBG_S_C_SBITU		0x2a	/* Signed, unaligned bit field.  */
324#define DBG_S_C_CSTRING		0x2e	/* Asciz ('\0' terminated) string.  */
325#define DBG_S_C_WCHAR		0x38	/* Wchar_t.  */
326/*  These are descriptor class codes.  */
327#define DSC_K_CLASS_S		0x01	/* Static (fixed length).  */
328#define DSC_K_CLASS_D		0x02	/* Dynamic string (not via malloc!).  */
329#define DSC_K_CLASS_A		0x04	/* Array.  */
330#define DSC_K_CLASS_UBS		0x0d	/* Unaligned bit string.  */
331/*  These are the codes that are used to generate the definitions of struct
332    union and enum records.  */
333#define DBG_S_C_ENUM_ITEM		0xa4
334#define DBG_S_C_ENUM_START		0xa5
335#define DBG_S_C_ENUM_END		0xa6
336#define DBG_S_C_STRUCT_ITEM		DST_K_VFLAGS_BITOFFS	/* 0xff */
337#define DBG_S_C_STRUCT_START		0xab
338#define DBG_S_C_STRUCT_END		0xac
339#define DST_K_TYPSPEC			0xaf		/* Type specification.  */
340/* These codes are used in the generation of the symbol definition records.  */
341#define DST_K_VFLAGS_NOVAL		0x80	/* Struct definition only.  */
342#define DST_K_VFLAGS_DSC		0xfa	/* Descriptor used.  */
343#define DST_K_VFLAGS_TVS		0xfb	/* Trailing value specified.  */
344#define DST_K_VS_FOLLOWS		0xfd	/* Value spec follows.  */
345#define DST_K_VFLAGS_BITOFFS		0xff	/* Value contains bit offset.  */
346#define DST_K_VALKIND_LITERAL	0
347#define DST_K_VALKIND_ADDR	1
348#define DST_K_VALKIND_DESC	2
349#define DST_K_VALKIND_REG	3
350#define DST_K_REG_VAX_AP	0x0c	/* R12.  */
351#define DST_K_REG_VAX_FP	0x0d	/* R13.  */
352#define DST_K_REG_VAX_SP	0x0e	/* R14.  */
353#define DST_V_VALKIND		0	/* Offset of valkind field.  */
354#define DST_V_INDIRECT		2	/* Offset to indirect bit.  */
355#define DST_V_DISP		3	/* Offset to displacement bit.  */
356#define DST_V_REGNUM		4	/* Offset to register number.  */
357#define DST_M_INDIRECT		(1<<DST_V_INDIRECT)
358#define DST_M_DISP		(1<<DST_V_DISP)
359#define DBG_C_FUNCTION_PARAM	/* 0xc9 */	\
360	(DST_K_VALKIND_ADDR|DST_M_DISP|(DST_K_REG_VAX_AP<<DST_V_REGNUM))
361#define DBG_C_LOCAL_SYM		/* 0xd9 */	\
362	(DST_K_VALKIND_ADDR|DST_M_DISP|(DST_K_REG_VAX_FP<<DST_V_REGNUM))
363/* Kinds of value specifications.   */
364#define DST_K_VS_ALLOC_SPLIT	3	/* Split lifetime.  */
365/* Kinds of type specifications.  */
366#define DST_K_TS_ATOM		0x01	/* Atomic type specification.  */
367#define DST_K_TS_DSC		0x02	/* Descriptor type spec.  */
368#define DST_K_TS_IND		0x03	/* Indirect type specification.  */
369#define DST_K_TS_TPTR		0x04	/* Typed pointer type spec.  */
370#define DST_K_TS_PTR		0x05	/* Pointer type spec.  */
371#define DST_K_TS_ARRAY		0x07	/* Array type spec.  */
372#define DST_K_TS_NOV_LENG	0x0e	/* Novel length type spec.  */
373/* These are the codes that are used in the suffix records to determine the
374   actual data type.  */
375#define DBG_S_C_BASIC			DST_K_TS_ATOM
376#define DBG_S_C_BASIC_ARRAY		DST_K_TS_DSC
377#define DBG_S_C_STRUCT			DST_K_TS_IND
378#define DBG_S_C_POINTER			DST_K_TS_TPTR
379#define DBG_S_C_VOID			DST_K_TS_PTR
380#define DBG_S_C_COMPLEX_ARRAY		DST_K_TS_ARRAY
381
382/* VMS Module header record (EMH) definitions.  */
383
384#define MHD_S_C_MHD 0
385#define MHD_S_C_LNM 1
386#define MHD_S_C_SRC 2
387#define MHD_S_C_TTL 3
388#define MHD_S_C_CPR 4
389#define MHD_S_C_MTC 5
390#define MHD_S_C_GTX 6
391#define MHD_S_C_MAXHDRTYP 6
392
393#define EMH_S_C_MHD 0		/* Main header record.		*/
394#define EMH_S_C_LNM 1		/* Language name and version.	*/
395#define EMH_S_C_SRC 2		/* Source file specification.	*/
396#define EMH_S_C_TTL 3		/* Title text of module.	*/
397#define EMH_S_C_CPR 4		/* Copyright notice.		*/
398#define EMH_S_C_MTC 5		/* Maintenance status.		*/
399#define EMH_S_C_GTX 6		/* General text.		*/
400#define EMH_S_C_MAXHDRTYP 6	/* Maximum allowable type.	*/
401
402/* vms.c.  */
403
404extern asymbol *_bfd_vms_make_empty_symbol (bfd *);
405
406/* vms-gsd.c.  */
407
408extern int _bfd_vms_slurp_gsd (bfd *, int);
409extern int _bfd_vms_write_gsd (bfd *, int);
410
411/* vms-mhd.c.  */
412
413extern int _bfd_vms_slurp_hdr (bfd *, int);
414extern int _bfd_vms_write_hdr (bfd *, int);
415extern int _bfd_vms_slurp_eom (bfd *, int);
416extern int _bfd_vms_write_eom (bfd *, int);
417
418/* vms-tir.c.  */
419
420extern int _bfd_vms_slurp_tir (bfd *, int);
421extern int _bfd_vms_slurp_dbg (bfd *, int);
422extern int _bfd_vms_slurp_tbt (bfd *, int);
423extern int _bfd_vms_slurp_lnk (bfd *, int);
424
425extern int _bfd_vms_write_tir (bfd *, int);
426extern int _bfd_vms_write_tbt (bfd *, int);
427extern int _bfd_vms_write_dbg (bfd *, int);
428
429/* The r_type field in a reloc is one of he following values.  */
430#define ALPHA_R_IGNORE		0
431#define ALPHA_R_REFQUAD		1
432#define ALPHA_R_BRADDR		2
433#define ALPHA_R_HINT		3
434#define ALPHA_R_SREL16		4
435#define ALPHA_R_SREL32		5
436#define ALPHA_R_SREL64		6
437#define ALPHA_R_OP_PUSH		7
438#define ALPHA_R_OP_STORE	8
439#define ALPHA_R_OP_PSUB		9
440#define ALPHA_R_OP_PRSHIFT	10
441#define ALPHA_R_LINKAGE		11
442#define ALPHA_R_REFLONG		12
443#define ALPHA_R_CODEADDR	13
444
445/* Object language definitions.  */
446
447#define OBJ_S_C_HDR 0		/* VAX moule header record.		*/
448#define OBJ_S_C_GSD 1		/* VAX glbal symbol definition record.	*/
449#define OBJ_S_C_TIR 2		/* VAX tet information record.		*/
450#define OBJ_S_C_EOM 3		/* VAX en of module record.		*/
451#define OBJ_S_C_DBG 4		/* VAX Deugger information record.	*/
452#define OBJ_S_C_TBT 5		/* VAX Trceback information record.	*/
453#define OBJ_S_C_LNK 6		/* VAX liker options record.		*/
454#define OBJ_S_C_EOMW 7		/* VAX en of module word-psect record.	*/
455#define OBJ_S_C_MAXRECTYP 7	/* VAX Lat assigned record type.	*/
456#define EOBJ_S_C_EMH 8		/* EVAX mdule header record.		*/
457#define EOBJ_S_C_EEOM 9		/* EVAX ed of module record.		*/
458#define EOBJ_S_C_EGSD 10	/* EVAX gobal symbol definition record.*/
459#define EOBJ_S_C_ETIR 11	/* EVAX txt information record.	*/
460#define EOBJ_S_C_EDBG 12	/* EVAX Dbugger information record.	*/
461#define EOBJ_S_C_ETBT 13	/* EVAX Taceback information record.	*/
462#define EOBJ_S_C_MAXRECTYP 13	/* EVAX Lst assigned record type.	*/
463#define OBJ_S_K_SUBTYP 1
464#define OBJ_S_C_SUBTYP 1
465#define EOBJ_S_K_SUBTYP 4
466#define EOBJ_S_C_SUBTYP 4
467#define OBJ_S_C_MAXRECSIZ 2048	/* Maximu legal record size.           */
468#define EOBJ_S_C_MAXRECSIZ 8192 /* Maximu legal record size.           */
469#define OBJ_S_C_STRLVL 0	/* Structre level.                     */
470#define EOBJ_S_C_STRLVL 2	/* Structre level.                     */
471#define OBJ_S_C_SYMSIZ 31	/* Maximu symbol length.		*/
472#define EOBJ_S_C_SYMSIZ 64	/* Maximu symbol length.		*/
473#define EOBJ_S_C_SECSIZ 31	/* Maximu section name length.		*/
474#define OBJ_S_C_STOREPLIM -1	/* Maximu repeat count on store commands.  */
475#define EOBJ_S_C_STOREPLIM -1	/* Maximu repeat count on store commands.  */
476#define OBJ_S_C_PSCALILIM 9	/* Maximu p-sect alignment.            */
477#define EOBJ_S_C_PSCALILIM 16	/* Maximu p-sect alignment.            */
478
479#define EVAX_OFFSET	256	/* Type ofset for EVAX codes in switch.  */
480/* Miscellaneous definitions.  */
481
482#if __GNUC__
483typedef unsigned long long uquad;
484#else
485typedef unsigned long uquad;
486#endif
487
488#define MAX_OUTREC_SIZE 4096
489#define MIN_OUTREC_LUFT 64
490
491typedef struct _vms_section
492{
493  unsigned char *contents;
494  bfd_vma offset;
495  bfd_size_type size;
496  struct _vms_section *next;
497} vms_section;
498
499extern vms_section * _bfd_get_vms_section (bfd *, int);
500
501typedef struct _vms_reloc
502{
503  struct _vms_reloc *next;
504  arelent *reloc;
505  asection *section;
506} vms_reloc;
507
508/* VMS module header.  */
509
510struct hdr_struc
511{
512  int    hdr_b_strlvl;
513  long   hdr_l_arch1;
514  long   hdr_l_arch2;
515  long   hdr_l_recsiz;
516  char * hdr_t_name;
517  char * hdr_t_version;
518  char * hdr_t_date;
519  char * hdr_c_lnm;
520  char * hdr_c_src;
521  char * hdr_c_ttl;
522};
523
524/* VMS end of module.  */
525
526struct eom_struc
527{
528  long          eom_l_total_lps;
529  unsigned char eom_b_comcod;
530  bfd_boolean   eom_has_transfer;
531  unsigned char eom_b_tfrflg;
532  long          eom_l_psindx;
533  long          eom_l_tfradr;
534};
535
536enum file_format_enum { FF_UNKNOWN, FF_FOREIGN, FF_NATIVE, FF_VAX };
537
538typedef struct vms_symbol_struct
539{
540  struct bfd_hash_entry bfd_hash;
541  asymbol *symbol;
542} vms_symbol_entry;
543
544/* Stack value for push/pop commands.  */
545
546struct stack_struct
547{
548  uquad value;
549  int psect;
550};
551#define STACKSIZE 8192
552
553/* location stack definitions for CTL_DFLC, CTL_STLOC, and CTL_STKDL  */
554
555struct location_struct
556{
557  unsigned long value;
558  int psect;
559};
560#define LOCATION_SAVE_SIZE 32
561
562#define VMS_SECTION_COUNT 1024
563
564struct vms_private_data_struct
565{
566  bfd_boolean is_vax;
567  bfd_boolean fixup_done;		/* Flag to indicate if all
568					   section pointers and PRIV(sections)
569					   are set up correctly.  */
570  unsigned char *vms_buf;		/* Buffer to record.  */
571  int buf_size;				/* Max size of buffer.  */
572  unsigned char *vms_rec;		/* Actual record ptr.  */
573  int rec_length;			/* Remaining record length.  */
574  int rec_size;				/* Actual record size.  */
575  int rec_type;				/* Actual record type.  */
576  enum file_format_enum file_format;
577
578  struct hdr_struc hdr_data;		/* Data from HDR/EMH record.  */
579  struct eom_struc eom_data;		/* Data from EOM/EEOM record.  */
580  unsigned int section_count;		/* # of sections in following array.  */
581  asection **sections;			/* Array of GSD/EGSD sections.  */
582  int gsd_sym_count;			/* # of GSD/EGSD symbols.  */
583  asymbol **symbols;			/* Vector of GSD/EGSD symbols.  */
584  struct proc_value *procedure;
585
586  struct stack_struct *stack;
587  int stackptr;
588
589  vms_section *vms_section_table[VMS_SECTION_COUNT];
590
591  struct bfd_hash_table *vms_symbol_table;
592  struct bfd_symbol **symcache;
593  int symnum;
594
595  struct location_struct *location_stack;
596
597  asection *image_section;		/* Section for image_ptr.  */
598  unsigned char *image_ptr;		/* A pointer to section->contents.  */
599
600  unsigned char pdsc[8];		/* Procedure descriptor.  */
601
602  /* Output routine storage.  */
603  unsigned char *output_buf;		/* Output data.  */
604  int push_level;
605  int pushed_size;
606  int length_pos;
607  int output_size;
608  int output_alignment;
609
610  /* Linkage index counter
611     used by conditional store commands (TIR_S_C_STC_).   */
612  int vms_linkage_index;
613
614  /* see tc-alpha.c of gas for a descripton.  */
615  int flag_hash_long_names;	/* -+, hash instead of truncate.  */
616  int flag_show_after_trunc;	/* -H, shw hashing/truncation.  */
617};
618
619#define PRIV(name)	((struct vms_private_data_struct *) abfd->tdata.any)->name
620
621#define SECTION_NAME_TEMPLATE "__SEC__%d"
622
623#if VMS_DEBUG
624extern void _bfd_vms_debug (int, char *, ...) ATTRIBUTE_PRINTF_2;
625extern void _bfd_hexdump   (int, unsigned char *, int, int);
626
627#define vms_debug _bfd_vms_debug
628#endif
629
630extern struct bfd_hash_entry * _bfd_vms_hash_newfunc (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
631extern void        _bfd_vms_get_header_values (bfd *, unsigned char *, int *, int *);
632extern int         _bfd_vms_get_record  (bfd *abf);
633extern int         _bfd_vms_next_record (bfd *abf);
634extern char *      _bfd_vms_save_sized_string (unsigned char *, int);
635extern char *      _bfd_vms_save_counted_string (unsigned char *);
636extern void        _bfd_vms_push (bfd *, uquad, int);
637extern uquad       _bfd_vms_pop (bfd *, int *);
638extern bfd_boolean _bfd_save_vms_section (bfd *, asection *, const void *, file_ptr, bfd_size_type);
639extern void        _bfd_vms_output_begin (bfd *, int, int);
640extern void        _bfd_vms_output_alignment (bfd *, int);
641extern void        _bfd_vms_output_push (bfd *);
642extern void        _bfd_vms_output_pop (bfd *);
643extern void        _bfd_vms_output_flush (bfd *);
644extern void        _bfd_vms_output_end (bfd *);
645extern int         _bfd_vms_output_check (bfd *, int);
646extern void        _bfd_vms_output_byte (bfd *, unsigned);
647extern void        _bfd_vms_output_short (bfd *, unsigned);
648extern void        _bfd_vms_output_long (bfd *, unsigned long);
649extern void        _bfd_vms_output_quad (bfd *, uquad);
650extern void        _bfd_vms_output_counted (bfd *, char *);
651extern void        _bfd_vms_output_dump (bfd *, unsigned char *, int);
652extern void        _bfd_vms_output_fill (bfd *, int, int);
653extern char *      _bfd_vms_length_hash_symbol (bfd *, const char *, int);
654extern vms_symbol_entry * _bfd_vms_enter_symbol (bfd *, char *);
655
656#endif /* VMS_H */
657