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c906108c SS |
1 | /* Data structures for RS/6000 shared libraries, for GDB. |
2 | Copyright 1991, 1992, 1994, 1997 Free Software Foundation, Inc. | |
3 | ||
c5aa993b | 4 | This file is part of GDB. |
c906108c | 5 | |
c5aa993b JM |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
c906108c | 10 | |
c5aa993b JM |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
c906108c | 15 | |
c5aa993b JM |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
20 | |
21 | /* The vmap struct is used to describe the virtual address space of | |
22 | the target we are manipulating. The first entry is always the "exec" | |
23 | file. Subsequent entries correspond to other objects that are | |
24 | mapped into the address space of a process created from the "exec" file. | |
25 | These are either in response to exec()ing the file, in which case all | |
26 | shared libraries are loaded, or a "load" system call, followed by the | |
27 | user's issuance of a "load" command. */ | |
28 | ||
c5aa993b JM |
29 | struct vmap |
30 | { | |
31 | struct vmap *nxt; /* ptr to next in chain */ | |
32 | bfd *bfd; /* BFD for mappable object library */ | |
33 | char *name; /* ptr to object file name */ | |
34 | char *member; /* ptr to member name */ | |
35 | CORE_ADDR tstart; /* virtual addr where member is mapped */ | |
36 | CORE_ADDR tend; /* virtual upper bound of member */ | |
37 | CORE_ADDR tvma; /* virtual addr of text section in object file */ | |
38 | CORE_ADDR toffs; /* offset of text section in object file */ | |
39 | CORE_ADDR dstart; /* virtual address of data start */ | |
40 | CORE_ADDR dend; /* virtual address of data end */ | |
41 | CORE_ADDR dvma; /* virtual addr of data section in object file */ | |
42 | ||
43 | /* This is NULL for the exec-file. */ | |
44 | struct objfile *objfile; | |
45 | ||
46 | unsigned loaded:1; /* True if symbols are loaded */ | |
47 | unsigned padding:15; | |
48 | }; | |
49 | ||
50 | ||
51 | struct vmap_and_bfd | |
52 | { | |
53 | bfd *pbfd; | |
54 | struct vmap *pvmap; | |
55 | }; | |
c906108c SS |
56 | |
57 | extern struct vmap *vmap; | |
58 | ||
59 | /* Hook for symbol table relocation at runtime. */ | |
60 | ||
61 | extern void (*xcoff_relocate_symtab_hook) PARAMS ((unsigned int)); |