/* Data structures for RS/6000 shared libraries, for GDB.
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/* Data structures for RS/6000 shared libraries, for GDB.
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Copyright 1991, 1992, 1994, 1997 Free Software Foundation, Inc.
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Copyright 1991, 1992, 1994, 1997 Free Software Foundation, Inc.
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This file is part of GDB.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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Boston, MA 02111-1307, USA. */
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/* The vmap struct is used to describe the virtual address space of
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/* The vmap struct is used to describe the virtual address space of
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the target we are manipulating. The first entry is always the "exec"
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the target we are manipulating. The first entry is always the "exec"
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file. Subsequent entries correspond to other objects that are
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file. Subsequent entries correspond to other objects that are
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mapped into the address space of a process created from the "exec" file.
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mapped into the address space of a process created from the "exec" file.
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These are either in response to exec()ing the file, in which case all
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These are either in response to exec()ing the file, in which case all
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shared libraries are loaded, or a "load" system call, followed by the
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shared libraries are loaded, or a "load" system call, followed by the
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user's issuance of a "load" command. */
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user's issuance of a "load" command. */
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struct vmap
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struct vmap
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{
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{
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struct vmap *nxt; /* ptr to next in chain */
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struct vmap *nxt; /* ptr to next in chain */
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bfd *bfd; /* BFD for mappable object library */
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bfd *bfd; /* BFD for mappable object library */
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char *name; /* ptr to object file name */
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char *name; /* ptr to object file name */
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char *member; /* ptr to member name */
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char *member; /* ptr to member name */
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CORE_ADDR tstart; /* virtual addr where member is mapped */
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CORE_ADDR tstart; /* virtual addr where member is mapped */
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CORE_ADDR tend; /* virtual upper bound of member */
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CORE_ADDR tend; /* virtual upper bound of member */
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CORE_ADDR tvma; /* virtual addr of text section in object file */
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CORE_ADDR tvma; /* virtual addr of text section in object file */
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CORE_ADDR toffs; /* offset of text section in object file */
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CORE_ADDR toffs; /* offset of text section in object file */
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CORE_ADDR dstart; /* virtual address of data start */
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CORE_ADDR dstart; /* virtual address of data start */
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CORE_ADDR dend; /* virtual address of data end */
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CORE_ADDR dend; /* virtual address of data end */
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CORE_ADDR dvma; /* virtual addr of data section in object file */
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CORE_ADDR dvma; /* virtual addr of data section in object file */
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/* This is NULL for the exec-file. */
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/* This is NULL for the exec-file. */
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struct objfile *objfile;
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struct objfile *objfile;
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unsigned loaded:1; /* True if symbols are loaded */
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unsigned loaded:1; /* True if symbols are loaded */
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unsigned padding:15;
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unsigned padding:15;
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};
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};
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struct vmap_and_bfd
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struct vmap_and_bfd
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{
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{
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bfd *pbfd;
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bfd *pbfd;
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struct vmap *pvmap;
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struct vmap *pvmap;
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};
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};
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extern struct vmap *vmap;
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extern struct vmap *vmap;
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/* Hook for symbol table relocation at runtime. */
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/* Hook for symbol table relocation at runtime. */
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extern void (*xcoff_relocate_symtab_hook) PARAMS ((unsigned int));
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extern void (*xcoff_relocate_symtab_hook) PARAMS ((unsigned int));
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