* Makefile.in, coff-solib.c, coff-solib.h, i386lynx.mt,
tm-i386lynx.h: Add support for SVR3 COFF shared libraries.
This commit is contained in:
Stu Grossman
parent
422a19551f
commit
ead291d4c3
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@ -63,6 +63,8 @@ ch-lang.c
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ch-lang.h
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ch-typeprint.c
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ch-valprint.c
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coff-solib.c
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coff-solib.h
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coffread.c
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command.c
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command.h
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@ -1,3 +1,8 @@
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Sat Oct 2 16:05:22 1993 Stu Grossman (grossman at cygnus.com)
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* Makefile.in, coff-solib.c, coff-solib.h, i386lynx.mt,
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tm-i386lynx.h: Add support for SVR3 COFF shared libraries.
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Sat Oct 2 15:50:41 1993 Jim Kingdon (kingdon@lioth.cygnus.com)
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* m88k-nat.c (store_inferior_registers): When writing all registers,
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@ -387,7 +387,7 @@ POSSLIBS = regex.c regex.h
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# Subdirectories of gdb, which should be included in their entirety in
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# gdb-xxx.tar.Z:
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TARDIRS = doc sparclite
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TARDIRS = doc gdbserver sparclite
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# {X,T,NAT}DEPFILES are something of a pain in that it's hard to
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# default their values the way we do for SER_HARDWIRE; in the future
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@ -803,14 +803,15 @@ unexport CHILLFLAGS CHILL_LIB CHILL_FOR_TARGET :
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ALLDEPFILES = 29k-share/udi/udip2soc.c 29k-share/udi/udr.c \
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a29k-pinsn.c a29k-tdep.c a68v-nat.c altos-xdep.c arm-convert.s \
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arm-pinsn.c arm-tdep.c arm-xdep.c convex-pinsn.c convex-tdep.c \
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arm-pinsn.c arm-tdep.c arm-xdep.c coff-solib.c convex-pinsn.c
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convex-tdep.c \
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convex-xdep.c core-svr4.c coredep.c corelow.c dcache.c delta68-nat.c \
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dpx2-nat.c exec.c fork-child.c \
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go32-xdep.c gould-pinsn.c gould-xdep.c h8300-tdep.c h8500-tdep.c \
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hp300ux-nat.c hppa-pinsn.c hppa-tdep.c hppab-nat.c hppah-nat.c \
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i386-pinsn.c i386-tdep.c i386b-nat.c i386mach-nat.c i386v-nat.c \
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i386aix-nat.c i386v4-nat.c i386lynx-nat.c i387-tdep.c i960-pinsn.c \
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i960-tdep.c \
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i386aix-nat.c i386v4-nat.c i386lynx-nat.c i386lynx-tdep.c i387-tdep.c \
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i960-pinsn.c i960-tdep.c \
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infptrace.c inftarg.c irix4-nat.c isi-xdep.c m68k-pinsn.c m68k-tdep.c \
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m88k-nat.c m88k-pinsn.c m88k-tdep.c mips-nat.c mips-pinsn.c \
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mips-tdep.c news-xdep.c nindy-share/Onindy.c nindy-share/nindy.c \
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@ -987,6 +988,8 @@ ch-typeprint.o: ch-typeprint.c ch-lang.h $(defs_h) $(expression_h) \
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ch-valprint.o: ch-valprint.c $(defs_h) $(expression_h) $(gdbtypes_h) \
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language.h $(symtab_h) valprint.h $(value_h)
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coff-solib.o: coff-solib.c $(defs_h)
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coffread.o: coffread.c $(bfd_h) $(breakpoint_h) buildsym.h \
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complaints.h $(defs_h) $(expression_h) $(gdbtypes_h) objfiles.h \
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symfile.h $(symtab_h)
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@ -1082,6 +1085,8 @@ hppah-nat.o: hppah-nat.c $(bfd_h) $(defs_h) $(inferior_h) target.h
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i386-pinsn.o: i386-pinsn.c $(bfd_h) $(dis-asm_h) $(defs_h)
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i386-tdep.o: i386-tdep.c $(defs_h) $(gdbcore_h) $(inferior_h) target.h
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i386b-nat.o: i386b-nat.c $(defs_h)
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i386lynx-nat.o: i386lynx-nat.c $(defs_h) $(frame_h) $(inferior_h) target.h
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i386lynx-tdep.o: i386lynx-tdep.c $(defs_h) $(inferior_h) target.h
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i386mach-nat.o: i386mach-nat.c $(defs_h) $(gdbcore_h) $(inferior_h)
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i386v-nat.o: i386v-nat.c $(ieee-float_h) $(defs_h) $(gdbcore_h) \
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@ -0,0 +1,119 @@
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/* Handle COFF SVR3 shared libraries for GDB, the GNU Debugger.
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Copyright 1993 Free Software Foundation, Inc.
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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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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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(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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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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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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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "defs.h"
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#include "bfd.h"
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#include "gdbcore.h"
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#include "symtab.h"
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/*
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GLOBAL FUNCTION
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coff_solib_add -- add a shared library files to the symtab list. We
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examine the `.lib' section of the exec file and determine the names of
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the shared libraries.
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This function is responsible for discovering those names and
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addresses, and saving sufficient information about them to allow
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their symbols to be read at a later time.
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SYNOPSIS
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void coff_solib_add (char *arg_string, int from_tty,
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struct target_ops *target)
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DESCRIPTION
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*/
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void
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coff_solib_add (arg_string, from_tty, target)
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char *arg_string;
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int from_tty;
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struct target_ops *target;
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{
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asection *libsect;
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libsect = bfd_get_section_by_name (exec_bfd, ".lib");
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if (libsect)
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{
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int libsize;
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unsigned char *lib;
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struct libent
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{
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long len;
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long unk;
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char filename[1];
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};
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libsize = bfd_section_size (exec_bfd, libsect);
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lib = alloca (libsize);
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bfd_get_section_contents (exec_bfd, libsect, lib, 0, libsize);
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while (libsize > 0)
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{
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struct libent *ent;
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struct objfile *objfile;
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ent = (struct libent *)lib;
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if (ent->len <= 0)
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break;
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objfile = symbol_file_add (ent->filename, from_tty,
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0, /* addr */
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0, /* not mainline */
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0, /* not mapped */
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0); /* Not readnow */
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libsize -= ent->len * 4;
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lib += ent->len * 4;
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}
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}
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}
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/*
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GLOBAL FUNCTION
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coff_solib_create_inferior_hook -- shared library startup support
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SYNOPSIS
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void coff_solib_create_inferior_hook()
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DESCRIPTION
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When gdb starts up the inferior, the kernel maps in the shared
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libraries. We get here with the target stopped at it's first
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instruction, and the libraries already mapped. At this point, this
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function gets called via expansion of the macro
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SOLIB_CREATE_INFERIOR_HOOK.
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*/
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void
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coff_solib_create_inferior_hook()
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{
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coff_solib_add ((char *) 0, 0, (struct target_ops *) 0);
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}
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@ -0,0 +1,60 @@
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/* COFF (SVR3) Shared library declarations for GDB, the GNU Debugger.
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Copyright (C) 1992 Free Software Foundation, Inc.
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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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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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(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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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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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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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifdef __STDC__ /* Forward decl's for prototypes */
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struct target_ops;
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#endif
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/* Called when we free all symtabs, to free the shared library information
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as well. */
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#if 0
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#define CLEAR_SOLIB coff_clear_solib
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extern void
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coff_clear_solib PARAMS ((void));
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#endif
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/* Called to add symbols from a shared library to gdb's symbol table. */
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#define SOLIB_ADD(filename, from_tty, targ) \
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coff_solib_add (filename, from_tty, targ)
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extern void
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coff_solib_add PARAMS ((char *, int, struct target_ops *));
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/* Function to be called when the inferior starts up, to discover the names
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of shared libraries that are dynamically linked, the base addresses to
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which they are linked, and sufficient information to read in their symbols
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at a later time. */
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#define SOLIB_CREATE_INFERIOR_HOOK(PID) coff_solib_create_inferior_hook()
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extern void
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coff_solib_create_inferior_hook PARAMS((void)); /* solib.c */
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/* If we can't set a breakpoint, and it's in a shared library, just
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disable it. */
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#if 0
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#define DISABLE_UNSETTABLE_BREAK(addr) coff_solib_address(addr)
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extern int
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solib_address PARAMS ((CORE_ADDR)); /* solib.c */
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#endif
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@ -1,3 +1,3 @@
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# Target: Intel 386 running Lynx
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TDEPFILES= exec.o i386-tdep.o i386-pinsn.o i386lynx-tdep.o
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TDEPFILES= exec.o coff-solib.o i386-tdep.o i386-pinsn.o i386lynx-tdep.o
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TM_FILE= tm-i386lynx.h
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@ -31,4 +31,6 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#define SAVED_PC_AFTER_CALL i386lynx_saved_pc_after_call
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CORE_ADDR i386lynx_saved_pc_after_call ();
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#include "coff-solib.h" /* COFF shared library support */
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#endif /* TM_I386LYNX_H */
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