mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-11-24 04:29:49 +00:00
140 lines
2.9 KiB
C
140 lines
2.9 KiB
C
/* Platform independent shared object routines for GDB.
|
|
|
|
Copyright (C) 2011-2014 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 3 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, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include "defs.h"
|
|
#include "gdb_assert.h"
|
|
|
|
#include "gdb-dlfcn.h"
|
|
|
|
#ifdef HAVE_DLFCN_H
|
|
#include <dlfcn.h>
|
|
#elif __MINGW32__
|
|
#include <windows.h>
|
|
#else
|
|
/* Unsupported configuration. */
|
|
#define NO_SHARED_LIB
|
|
#endif
|
|
|
|
#ifdef NO_SHARED_LIB
|
|
|
|
void *
|
|
gdb_dlopen (const char *filename)
|
|
{
|
|
gdb_assert_not_reached ("gdb_dlopen should not be called on this platform.");
|
|
}
|
|
|
|
void *
|
|
gdb_dlsym (void *handle, const char *symbol)
|
|
{
|
|
gdb_assert_not_reached ("gdb_dlsym should not be called on this platform.");
|
|
}
|
|
|
|
struct cleanup *
|
|
make_cleanup_dlclose (void *handle)
|
|
{
|
|
gdb_assert_not_reached ("make_cleanup_dlclose should not be called on this "
|
|
"platform.");
|
|
}
|
|
|
|
int
|
|
gdb_dlclose (void *handle)
|
|
{
|
|
gdb_assert_not_reached ("gdb_dlclose should not be called on this platform.");
|
|
}
|
|
|
|
int
|
|
is_dl_available (void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#else /* NO_SHARED_LIB */
|
|
|
|
void *
|
|
gdb_dlopen (const char *filename)
|
|
{
|
|
void *result;
|
|
#ifdef HAVE_DLFCN_H
|
|
result = dlopen (filename, RTLD_NOW);
|
|
#elif __MINGW32__
|
|
result = (void *) LoadLibrary (filename);
|
|
#endif
|
|
if (result != NULL)
|
|
return result;
|
|
|
|
#ifdef HAVE_DLFCN_H
|
|
error (_("Could not load %s: %s"), filename, dlerror());
|
|
#else
|
|
{
|
|
LPVOID buffer;
|
|
DWORD dw;
|
|
|
|
dw = GetLastError();
|
|
|
|
FormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
|
|
FORMAT_MESSAGE_IGNORE_INSERTS,
|
|
NULL, dw, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
|
|
(LPTSTR) &buffer,
|
|
0, NULL);
|
|
|
|
error (_("Could not load %s: %s"), filename, (char *) buffer);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void *
|
|
gdb_dlsym (void *handle, const char *symbol)
|
|
{
|
|
#ifdef HAVE_DLFCN_H
|
|
return dlsym (handle, symbol);
|
|
#elif __MINGW32__
|
|
return (void *) GetProcAddress (handle, symbol);
|
|
#endif
|
|
}
|
|
|
|
int
|
|
gdb_dlclose (void *handle)
|
|
{
|
|
#ifdef HAVE_DLFCN_H
|
|
return dlclose (handle);
|
|
#elif __MINGW32__
|
|
return !((int) FreeLibrary (handle));
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
do_dlclose_cleanup (void *handle)
|
|
{
|
|
gdb_dlclose (handle);
|
|
}
|
|
|
|
struct cleanup *
|
|
make_cleanup_dlclose (void *handle)
|
|
{
|
|
return make_cleanup (do_dlclose_cleanup, handle);
|
|
}
|
|
|
|
int
|
|
is_dl_available (void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
#endif /* NO_SHARED_LIB */
|