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Diffstat (limited to 'gdb/xcoffsolib.h')
-rw-r--r-- | gdb/xcoffsolib.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gdb/xcoffsolib.h b/gdb/xcoffsolib.h new file mode 100644 index 0000000..77d691b --- /dev/null +++ b/gdb/xcoffsolib.h @@ -0,0 +1,58 @@ +/* Data structures for RS/6000 shared libraries, for GDB. + Copyright 1991, 1992, 1994, 1997 Free Software Foundation, Inc. + +This file is part of GDB. + +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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* The vmap struct is used to describe the virtual address space of + the target we are manipulating. The first entry is always the "exec" + file. Subsequent entries correspond to other objects that are + mapped into the address space of a process created from the "exec" file. + These are either in response to exec()ing the file, in which case all + shared libraries are loaded, or a "load" system call, followed by the + user's issuance of a "load" command. */ + +struct vmap { + struct vmap *nxt; /* ptr to next in chain */ + bfd *bfd; /* BFD for mappable object library */ + char *name; /* ptr to object file name */ + char *member; /* ptr to member name */ + CORE_ADDR tstart; /* virtual addr where member is mapped */ + CORE_ADDR tend; /* virtual upper bound of member */ + CORE_ADDR tvma; /* virtual addr of text section in object file */ + CORE_ADDR toffs; /* offset of text section in object file */ + CORE_ADDR dstart; /* virtual address of data start */ + CORE_ADDR dend; /* virtual address of data end */ + CORE_ADDR dvma; /* virtual addr of data section in object file */ + + /* This is NULL for the exec-file. */ + struct objfile *objfile; + + unsigned loaded:1; /* True if symbols are loaded */ + unsigned padding:15; +}; + + +struct vmap_and_bfd { + bfd *pbfd; + struct vmap *pvmap; +}; + +extern struct vmap *vmap; + +/* Hook for symbol table relocation at runtime. */ + +extern void (*xcoff_relocate_symtab_hook) PARAMS ((unsigned int)); |