Commit 103b4129 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont

Split Win32 and POSIX dynamic linker backends

parent bdc46e27
......@@ -691,21 +691,6 @@ AC_CHECK_LIB(m,lrintf, [
dnl Check for dynamic plugins
ac_cv_have_plugins=no
# HP-UX style
if test "${ac_cv_have_plugins}" = "no"; then
AC_CHECK_HEADERS(dl.h)
ac_cv_my_have_shl_load=no
AC_CHECK_FUNC(shl_load,
[ac_cv_my_have_shl_load=yes,
AC_CHECK_LIB(dld, shl_load,
[ac_cv_my_have_shl_load=yes
VLC_ADD_LIBS([libvlccore],[-ldld])])])
if test "${ac_cv_my_have_shl_load}" = "yes"; then
AC_DEFINE(HAVE_DL_SHL_LOAD, 1, [Define if you have the shl_load API])
ac_cv_have_plugins=yes
fi
fi
# Win32 style
if test "${ac_cv_have_plugins}" = "no"; then
if test "${SYS}" = "mingw32" ; then
......
......@@ -278,6 +278,7 @@ SOURCES_libvlc_darwin = \
posix/darwin_dirs.c \
misc/atomic.c \
posix/filesystem.c \
posix/plugin.c \
posix/thread.c \
posix/darwin_specific.c \
$(NULL)
......@@ -286,6 +287,7 @@ SOURCES_libvlc_linux = \
posix/dirs.c \
misc/atomic.c \
posix/filesystem.c \
posix/plugin.c \
posix/thread.c \
posix/linux_specific.c \
$(NULL)
......@@ -294,6 +296,7 @@ SOURCES_libvlc_win32 = \
win32/dirs.c \
win32/atomic.c \
win32/filesystem.c \
win32/plugin.c \
win32/thread.c \
win32/specific.c \
win32/winsock.c \
......@@ -303,6 +306,7 @@ SOURCES_libvlc_symbian = \
symbian/path.cpp \
symbian/dirs.c \
misc/atomic.c \
win32/plugin.c \
$(NULL)
SOURCES_libvlc_other = \
......@@ -310,6 +314,7 @@ SOURCES_libvlc_other = \
misc/atomic.c \
posix/filesystem.c \
posix/thread.c \
posix/thread.c \
posix/specific.c \
$(NULL)
......@@ -436,7 +441,6 @@ SOURCES_libvlc_common = \
modules/modules.c \
modules/cache.c \
modules/entry.c \
modules/os.c \
modules/textdomain.c \
misc/threads.c \
misc/stats.c \
......
......@@ -74,8 +74,6 @@ typedef int module_handle_t;
typedef void * module_handle_t;
#elif defined(HAVE_DL_DLOPEN)
typedef void * module_handle_t;
#elif defined(HAVE_DL_SHL_LOAD)
typedef shl_t module_handle_t;
#endif
/**
......
......@@ -29,47 +29,16 @@
#endif
#include <vlc_common.h>
#include <vlc_plugin.h> /* MODULE_SUFFIX */
#include <vlc_charset.h>
#include "libvlc.h"
#include "modules.h"
#include <stdlib.h> /* free(), strtol() */
#include <stdio.h> /* sprintf() */
#include <string.h> /* strdup() */
#include "modules/modules.h"
#include <sys/types.h>
#include <dlfcn.h>
#if !defined(HAVE_DYNAMIC_PLUGINS)
/* no support for plugins */
#elif defined(__APPLE__)
# include <dlfcn.h>
#elif defined(HAVE_DL_WINDOWS)
# include <windows.h>
#elif defined(HAVE_DL_DLOPEN)
# if defined(HAVE_DLFCN_H) /* Linux, BSD, Hurd */
# include <dlfcn.h>
# endif
# if defined(HAVE_SYS_DL_H)
# include <sys/dl.h>
# endif
#elif defined(HAVE_DL_SHL_LOAD)
# if defined(HAVE_DL_H)
# include <dl.h>
# endif
#endif
#ifdef HAVE_VALGRIND_VALGRIND_H
# include <valgrind/valgrind.h>
#endif
/*****************************************************************************
* Local prototypes
*****************************************************************************/
#ifdef HAVE_DYNAMIC_PLUGINS
#if defined(HAVE_DL_WINDOWS)
static char * GetWindowsError ( void );
#endif
/**
* Load a dynamically linked library using a system dependent method.
*
......@@ -81,44 +50,16 @@ static char * GetWindowsError ( void );
int module_Load( vlc_object_t *p_this, const char *psz_file,
module_handle_t *p_handle )
{
module_handle_t handle;
#if defined(HAVE_DL_WINDOWS)
wchar_t psz_wfile[MAX_PATH];
MultiByteToWideChar( CP_UTF8, 0, psz_file, -1, psz_wfile, MAX_PATH );
#ifndef UNDER_CE
/* FIXME: this is not thread-safe -- Courmisch */
UINT mode = SetErrorMode (SEM_FAILCRITICALERRORS);
SetErrorMode (mode|SEM_FAILCRITICALERRORS);
#endif
handle = LoadLibraryW( psz_wfile );
#ifndef UNDER_CE
SetErrorMode (mode);
#endif
if( handle == NULL )
{
char *psz_err = GetWindowsError();
msg_Warn( p_this, "cannot load module `%s' (%s)", psz_file, psz_err );
free( psz_err );
return -1;
}
#elif defined(HAVE_DL_DLOPEN)
# if defined (RTLD_NOW)
#if defined (RTLD_NOW)
const int flags = RTLD_NOW;
# elif defined (DL_LAZY)
#elif defined (DL_LAZY)
const int flags = DL_LAZY;
# else
#else
const int flags = 0;
# endif
#endif
char *path = ToLocale( psz_file );
handle = dlopen( path, flags );
module_handle_t handle = dlopen( path, flags );
if( handle == NULL )
{
msg_Warn( p_this, "cannot load module `%s' (%s)", path, dlerror() );
......@@ -126,20 +67,6 @@ int module_Load( vlc_object_t *p_this, const char *psz_file,
return -1;
}
LocaleFree( path );
#elif defined(HAVE_DL_SHL_LOAD)
handle = shl_load( psz_file, BIND_IMMEDIATE | BIND_NONFATAL, NULL );
if( handle == NULL )
{
msg_Warn( p_this, "cannot load module `%s' (%m)", psz_file );
return -1;
}
#else
# error "Something is wrong in modules.c"
#endif
*p_handle = handle;
return 0;
}
......@@ -155,21 +82,11 @@ int module_Load( vlc_object_t *p_this, const char *psz_file,
*/
void module_Unload( module_handle_t handle )
{
#if defined(HAVE_DL_WINDOWS)
FreeLibrary( handle );
#elif defined(HAVE_DL_DLOPEN)
# ifdef HAVE_VALGRIND_VALGRIND_H
#ifdef HAVE_VALGRIND_VALGRIND_H
if( RUNNING_ON_VALGRIND > 0 )
return; /* do not dlclose() so that we get proper stack traces */
# endif
dlclose( handle );
#elif defined(HAVE_DL_SHL_LOAD)
shl_unload( handle );
#endif
return;
dlclose( handle );
}
/**
......@@ -185,47 +102,5 @@ void module_Unload( module_handle_t handle )
*/
void *module_Lookup( module_handle_t handle, const char *psz_function )
{
#if defined(HAVE_DL_WINDOWS) && defined(UNDER_CE)
wchar_t wide[strlen( psz_function ) + 1];
size_t i = 0;
do
wide[i] = psz_function[i]; /* UTF-16 <- ASCII */
while( psz_function[i++] );
return (void *)GetProcAddress( handle, wide );
#elif defined(HAVE_DL_WINDOWS) && defined(WIN32)
return (void *)GetProcAddress( handle, (char *)psz_function );
#elif defined(HAVE_DL_DLOPEN)
return dlsym( handle, psz_function );
#elif defined(HAVE_DL_SHL_LOAD)
void *p_sym;
shl_findsym( &handle, psz_function, TYPE_UNDEFINED, &p_sym );
return p_sym;
#endif
}
#if defined(HAVE_DL_WINDOWS)
# include <wchar.h>
static char * GetWindowsError( void )
{
wchar_t wmsg[256];
int i = 0, i_error = GetLastError();
FormatMessageW( FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, i_error, MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
wmsg, 256, NULL );
/* Go to the end of the string */
while( !wmemchr( L"\r\n\0", wmsg[i], 3 ) )
i++;
snwprintf( wmsg + i, 256 - i, L" (error %i)", i_error );
return FromWide( wmsg );
}
#endif /* HAVE_DL_WINDOWS */
#endif /* HAVE_DYNAMIC_PLUGINS */
/*****************************************************************************
* plugin.c : Low-level dynamic library handling
*****************************************************************************
* Copyright (C) 2001-2011 the VideoLAN team
*
* Authors: Sam Hocevar <sam@zoy.org>
* Ethan C. Baldridge <BaldridgeE@cadmus.com>
* Hans-Peter Jansen <hpj@urpla.net>
* Gildas Bazin <gbazin@videolan.org>
*
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_charset.h>
#include "modules/modules.h"
#include <windows.h>
#include <wchar.h>
static char *GetWindowsError( void )
{
wchar_t wmsg[256];
int i = 0, i_error = GetLastError();
FormatMessageW( FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, i_error, MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
wmsg, 256, NULL );
/* Go to the end of the string */
while( !wmemchr( L"\r\n\0", wmsg[i], 3 ) )
i++;
snwprintf( wmsg + i, 256 - i, L" (error %i)", i_error );
return FromWide( wmsg );
}
int module_Load( vlc_object_t *p_this, const char *psz_file,
module_handle_t *p_handle )
{
module_handle_t handle;
wchar_t psz_wfile[MAX_PATH];
MultiByteToWideChar( CP_UTF8, 0, psz_file, -1, psz_wfile, MAX_PATH );
#ifndef UNDER_CE
/* FIXME: this is not thread-safe -- Courmisch */
UINT mode = SetErrorMode (SEM_FAILCRITICALERRORS);
SetErrorMode (mode|SEM_FAILCRITICALERRORS);
#endif
handle = LoadLibraryW( psz_wfile );
#ifndef UNDER_CE
SetErrorMode (mode);
#endif
if( handle == NULL )
{
char *psz_err = GetWindowsError();
msg_Warn( p_this, "cannot load module `%s' (%s)", psz_file, psz_err );
free( psz_err );
return -1;
}
*p_handle = handle;
return 0;
}
void module_Unload( module_handle_t handle )
{
FreeLibrary( handle );
}
void *module_Lookup( module_handle_t handle, const char *psz_function )
{
#ifdef UNDER_CE
wchar_t wide[strlen( psz_function ) + 1];
size_t i = 0;
do
wide[i] = psz_function[i]; /* UTF-16 <- ASCII */
while( psz_function[i++] );
return (void *)GetProcAddress( handle, wide );
#else
return (void *)GetProcAddress( handle, (char *)psz_function );
#endif
}
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