mirror of
https://github.com/RPCS3/llvm.git
synced 2024-11-27 13:40:43 +00:00
Remove use of ltdl
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47065 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
20dcb4c24d
commit
e45252efee
@ -685,12 +685,6 @@ if test "$llvm_cv_os_type" = "MingW" ; then
|
||||
AC_CHECK_LIB(psapi, main)
|
||||
fi
|
||||
|
||||
dnl lt_dlopen may be required for plugin support.
|
||||
AC_SEARCH_LIBS(lt_dlopen,ltdl,AC_DEFINE([HAVE_LT_DLOPEN],[1],
|
||||
[Define if lt_dlopen() is available on this platform]),
|
||||
AC_MSG_WARN([lt_dlopen() not found - plugin support might
|
||||
not be available]))
|
||||
|
||||
dnl dlopen() is required for plugin support.
|
||||
AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],
|
||||
[Define if dlopen() is available on this platform.]),
|
||||
|
109
configure
vendored
109
configure
vendored
@ -27356,115 +27356,6 @@ fi
|
||||
|
||||
fi
|
||||
|
||||
{ echo "$as_me:$LINENO: checking for library containing lt_dlopen" >&5
|
||||
echo $ECHO_N "checking for library containing lt_dlopen... $ECHO_C" >&6; }
|
||||
if test "${ac_cv_search_lt_dlopen+set}" = set; then
|
||||
echo $ECHO_N "(cached) $ECHO_C" >&6
|
||||
else
|
||||
ac_func_search_save_LIBS=$LIBS
|
||||
cat >conftest.$ac_ext <<_ACEOF
|
||||
/* confdefs.h. */
|
||||
_ACEOF
|
||||
cat confdefs.h >>conftest.$ac_ext
|
||||
cat >>conftest.$ac_ext <<_ACEOF
|
||||
/* end confdefs.h. */
|
||||
|
||||
/* Override any GCC internal prototype to avoid an error.
|
||||
Use char because int might match the return type of a GCC
|
||||
builtin and then its argument prototype would still apply. */
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
#endif
|
||||
char lt_dlopen ();
|
||||
int
|
||||
main ()
|
||||
{
|
||||
return lt_dlopen ();
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
for ac_lib in '' ltdl; do
|
||||
if test -z "$ac_lib"; then
|
||||
ac_res="none required"
|
||||
else
|
||||
ac_res=-l$ac_lib
|
||||
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
|
||||
fi
|
||||
rm -f conftest.$ac_objext conftest$ac_exeext
|
||||
if { (ac_try="$ac_link"
|
||||
case "(($ac_try" in
|
||||
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
|
||||
*) ac_try_echo=$ac_try;;
|
||||
esac
|
||||
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
|
||||
(eval "$ac_link") 2>conftest.er1
|
||||
ac_status=$?
|
||||
grep -v '^ *+' conftest.er1 >conftest.err
|
||||
rm -f conftest.er1
|
||||
cat conftest.err >&5
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); } &&
|
||||
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
|
||||
{ (case "(($ac_try" in
|
||||
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
|
||||
*) ac_try_echo=$ac_try;;
|
||||
esac
|
||||
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
|
||||
(eval "$ac_try") 2>&5
|
||||
ac_status=$?
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); }; } &&
|
||||
{ ac_try='test -s conftest$ac_exeext'
|
||||
{ (case "(($ac_try" in
|
||||
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
|
||||
*) ac_try_echo=$ac_try;;
|
||||
esac
|
||||
eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
|
||||
(eval "$ac_try") 2>&5
|
||||
ac_status=$?
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); }; }; then
|
||||
ac_cv_search_lt_dlopen=$ac_res
|
||||
else
|
||||
echo "$as_me: failed program was:" >&5
|
||||
sed 's/^/| /' conftest.$ac_ext >&5
|
||||
|
||||
|
||||
fi
|
||||
|
||||
rm -f core conftest.err conftest.$ac_objext \
|
||||
conftest$ac_exeext
|
||||
if test "${ac_cv_search_lt_dlopen+set}" = set; then
|
||||
break
|
||||
fi
|
||||
done
|
||||
if test "${ac_cv_search_lt_dlopen+set}" = set; then
|
||||
:
|
||||
else
|
||||
ac_cv_search_lt_dlopen=no
|
||||
fi
|
||||
rm conftest.$ac_ext
|
||||
LIBS=$ac_func_search_save_LIBS
|
||||
fi
|
||||
{ echo "$as_me:$LINENO: result: $ac_cv_search_lt_dlopen" >&5
|
||||
echo "${ECHO_T}$ac_cv_search_lt_dlopen" >&6; }
|
||||
ac_res=$ac_cv_search_lt_dlopen
|
||||
if test "$ac_res" != no; then
|
||||
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
|
||||
|
||||
cat >>confdefs.h <<\_ACEOF
|
||||
#define HAVE_LT_DLOPEN 1
|
||||
_ACEOF
|
||||
|
||||
else
|
||||
{ echo "$as_me:$LINENO: WARNING: lt_dlopen() not found - plugin support might
|
||||
not be available" >&5
|
||||
echo "$as_me: WARNING: lt_dlopen() not found - plugin support might
|
||||
not be available" >&2;}
|
||||
fi
|
||||
|
||||
|
||||
{ echo "$as_me:$LINENO: checking for library containing dlopen" >&5
|
||||
echo $ECHO_N "checking for library containing dlopen... $ECHO_C" >&6; }
|
||||
if test "${ac_cv_search_dlopen+set}" = set; then
|
||||
|
@ -212,9 +212,6 @@
|
||||
/* Define to 1 if you have the `longjmp' function. */
|
||||
#undef HAVE_LONGJMP
|
||||
|
||||
/* Define if lt_dlopen() is available on this platform */
|
||||
#undef HAVE_LT_DLOPEN
|
||||
|
||||
/* Define to 1 if you have the <mach/mach.h> header file. */
|
||||
#undef HAVE_MACH_MACH_H
|
||||
|
||||
|
@ -36,7 +36,8 @@ void llvm::sys::DynamicLibrary::AddSymbol(const char* symbolName,
|
||||
|
||||
#else
|
||||
|
||||
#include "ltdl.h"
|
||||
//#include "ltdl.h"
|
||||
#include <dlfcn.h>
|
||||
#include <cassert>
|
||||
using namespace llvm;
|
||||
using namespace llvm::sys;
|
||||
@ -46,85 +47,31 @@ using namespace llvm::sys;
|
||||
//=== independent code.
|
||||
//===----------------------------------------------------------------------===//
|
||||
|
||||
static inline void check_ltdl_initialization() {
|
||||
static bool did_initialize_ltdl = false;
|
||||
if (!did_initialize_ltdl) {
|
||||
int Err = lt_dlinit();
|
||||
Err = Err; // Silence warning.
|
||||
assert(0 == Err && "Can't init the ltdl library");
|
||||
did_initialize_ltdl = true;
|
||||
}
|
||||
}
|
||||
//static std::vector<lt_dlhandle> OpenedHandles;
|
||||
static std::vector<void *> OpenedHandles;
|
||||
|
||||
static std::vector<lt_dlhandle> OpenedHandles;
|
||||
|
||||
DynamicLibrary::DynamicLibrary() : handle(0) {
|
||||
check_ltdl_initialization();
|
||||
|
||||
lt_dlhandle a_handle = lt_dlopen(0);
|
||||
|
||||
assert(a_handle && "Can't open program as dynamic library");
|
||||
|
||||
handle = a_handle;
|
||||
OpenedHandles.push_back(a_handle);
|
||||
}
|
||||
|
||||
/*
|
||||
DynamicLibrary::DynamicLibrary(const char*filename) : handle(0) {
|
||||
check_ltdl_initialization();
|
||||
|
||||
lt_dlhandle a_handle = lt_dlopen(filename);
|
||||
|
||||
if (a_handle == 0)
|
||||
a_handle = lt_dlopenext(filename);
|
||||
|
||||
if (a_handle == 0)
|
||||
throw std::string("Can't open :") + filename + ": " + lt_dlerror();
|
||||
|
||||
handle = a_handle;
|
||||
OpenedHandles.push_back(a_handle);
|
||||
}
|
||||
*/
|
||||
DynamicLibrary::DynamicLibrary() : handle(0) {}
|
||||
|
||||
DynamicLibrary::~DynamicLibrary() {
|
||||
lt_dlhandle a_handle = (lt_dlhandle) handle;
|
||||
if (a_handle) {
|
||||
lt_dlclose(a_handle);
|
||||
|
||||
for (std::vector<lt_dlhandle>::iterator I = OpenedHandles.begin(),
|
||||
E = OpenedHandles.end(); I != E; ++I) {
|
||||
if (*I == a_handle) {
|
||||
// Note: don't use the swap/pop_back trick here. Order is important.
|
||||
OpenedHandles.erase(I);
|
||||
return;
|
||||
}
|
||||
}
|
||||
while(!OpenedHandles.empty()) {
|
||||
void *H = OpenedHandles.back(); OpenedHandles.pop_back();
|
||||
dlclose(H);
|
||||
}
|
||||
}
|
||||
|
||||
bool DynamicLibrary::LoadLibraryPermanently(const char *Filename,
|
||||
std::string *ErrMsg) {
|
||||
check_ltdl_initialization();
|
||||
lt_dlhandle a_handle = lt_dlopen(Filename);
|
||||
|
||||
if (a_handle == 0)
|
||||
a_handle = lt_dlopenext(Filename);
|
||||
|
||||
if (a_handle == 0) {
|
||||
if (ErrMsg)
|
||||
*ErrMsg = std::string("Can't open :") +
|
||||
(Filename ? Filename : "<current process>") + ": " + lt_dlerror();
|
||||
void *H = dlopen(Filename, RTLD_LAZY);
|
||||
if (H == 0) {
|
||||
ErrMsg = new std::string(dlerror());
|
||||
return true;
|
||||
}
|
||||
|
||||
lt_dlmakeresident(a_handle);
|
||||
|
||||
OpenedHandles.push_back(a_handle);
|
||||
OpenedHandles.push_back(H);
|
||||
return false;
|
||||
}
|
||||
|
||||
void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) {
|
||||
check_ltdl_initialization();
|
||||
// check_ltdl_initialization();
|
||||
|
||||
// First check symbols added via AddSymbol().
|
||||
std::map<std::string, void *>::iterator I = g_symbols.find(symbolName);
|
||||
@ -132,9 +79,10 @@ void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) {
|
||||
return I->second;
|
||||
|
||||
// Now search the libraries.
|
||||
for (std::vector<lt_dlhandle>::iterator I = OpenedHandles.begin(),
|
||||
for (std::vector<void *>::iterator I = OpenedHandles.begin(),
|
||||
E = OpenedHandles.end(); I != E; ++I) {
|
||||
lt_ptr ptr = lt_dlsym(*I, symbolName);
|
||||
//lt_ptr ptr = lt_dlsym(*I, symbolName);
|
||||
void *ptr = dlsym(*I, symbolName);
|
||||
if (ptr)
|
||||
return ptr;
|
||||
}
|
||||
@ -210,7 +158,7 @@ void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) {
|
||||
|
||||
void *DynamicLibrary::GetAddressOfSymbol(const char *symbolName) {
|
||||
assert(handle != 0 && "Invalid DynamicLibrary handle");
|
||||
return lt_dlsym((lt_dlhandle) handle, symbolName);
|
||||
return dlsym(handle, symbolName);
|
||||
}
|
||||
|
||||
#endif // LLVM_ON_WIN32
|
||||
|
4523
lib/System/ltdl.c
4523
lib/System/ltdl.c
File diff suppressed because it is too large
Load Diff
@ -1,366 +0,0 @@
|
||||
/* ltdl.h -- generic dlopen functions
|
||||
Copyright (C) 1998-2000 Free Software Foundation, Inc.
|
||||
Originally by Thomas Tanner <tanner@ffii.org>
|
||||
This file is part of GNU Libtool.
|
||||
|
||||
This library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2 of the License, or (at your option) any later version.
|
||||
|
||||
As a special exception to the GNU Lesser General Public License,
|
||||
if you distribute this file as part of a program or library that
|
||||
is built using GNU libtool, you may include it under the same
|
||||
distribution terms that you use for the rest of that program.
|
||||
|
||||
This library 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
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with this library; if not, write to the Free
|
||||
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
02110-1301 USA
|
||||
*/
|
||||
|
||||
/* Only include this header file once. */
|
||||
#ifndef LTDL_H
|
||||
#define LTDL_H 1
|
||||
|
||||
#include <sys/types.h> /* for size_t declaration */
|
||||
|
||||
|
||||
/* --- MACROS FOR PORTABILITY --- */
|
||||
|
||||
|
||||
/* Saves on those hard to debug '\0' typos.... */
|
||||
#define LT_EOS_CHAR '\0'
|
||||
|
||||
/* LTDL_BEGIN_C_DECLS should be used at the beginning of your declarations,
|
||||
so that C++ compilers don't mangle their names. Use LTDL_END_C_DECLS at
|
||||
the end of C declarations. */
|
||||
#ifdef __cplusplus
|
||||
# define LT_BEGIN_C_DECLS extern "C" {
|
||||
# define LT_END_C_DECLS }
|
||||
#else
|
||||
# define LT_BEGIN_C_DECLS /* empty */
|
||||
# define LT_END_C_DECLS /* empty */
|
||||
#endif
|
||||
|
||||
LT_BEGIN_C_DECLS
|
||||
|
||||
|
||||
/* LT_PARAMS is a macro used to wrap function prototypes, so that compilers
|
||||
that don't understand ANSI C prototypes still work, and ANSI C
|
||||
compilers can issue warnings about type mismatches. */
|
||||
#if defined (__STDC__) || defined (_AIX) || (defined (__mips) && defined (_SYSTYPE_SVR4)) || defined(WIN32) || defined(__cplusplus)
|
||||
# define LT_PARAMS(protos) protos
|
||||
# define lt_ptr void*
|
||||
#else
|
||||
# define LT_PARAMS(protos) ()
|
||||
# define lt_ptr char*
|
||||
#endif
|
||||
|
||||
/* LT_STMT_START/END are used to create macros which expand to a
|
||||
a single compound statement in a portable way. */
|
||||
#if defined (__GNUC__) && !defined (__STRICT_ANSI__) && !defined (__cplusplus)
|
||||
# define LT_STMT_START (void)(
|
||||
# define LT_STMT_END )
|
||||
#else
|
||||
# if (defined (sun) || defined (__sun__))
|
||||
# define LT_STMT_START if (1)
|
||||
# define LT_STMT_END else (void)0
|
||||
# else
|
||||
# define LT_STMT_START do
|
||||
# define LT_STMT_END while (0)
|
||||
# endif
|
||||
#endif
|
||||
|
||||
/* LT_CONC creates a new concatenated symbol for the compiler
|
||||
in a portable way. */
|
||||
#if defined(__STDC__) || defined(__cplusplus) || defined(_MSC_VER)
|
||||
# define LT_CONC(s,t) s##t
|
||||
#else
|
||||
# define LT_CONC(s,t) s/**/t
|
||||
#endif
|
||||
|
||||
/* LT_STRLEN can be used safely on NULL pointers. */
|
||||
#define LT_STRLEN(s) (((s) && (s)[0]) ? strlen (s) : 0)
|
||||
|
||||
|
||||
|
||||
/* --- WINDOWS SUPPORT --- */
|
||||
|
||||
|
||||
/* Canonicalise Windows and Cygwin recognition macros. */
|
||||
#ifdef __CYGWIN32__
|
||||
# ifndef __CYGWIN__
|
||||
# define __CYGWIN__ __CYGWIN32__
|
||||
# endif
|
||||
#endif
|
||||
#if defined(_WIN32) || defined(WIN32)
|
||||
# ifndef __WINDOWS__
|
||||
# ifdef _WIN32
|
||||
# define __WINDOWS__ _WIN32
|
||||
# else
|
||||
# ifdef WIN32
|
||||
# define __WINDOWS__ WIN32
|
||||
# endif
|
||||
# endif
|
||||
# endif
|
||||
#endif
|
||||
|
||||
|
||||
#ifdef __WINDOWS__
|
||||
# ifndef __CYGWIN__
|
||||
/* LT_DIRSEP_CHAR is accepted *in addition* to '/' as a directory
|
||||
separator when it is set. */
|
||||
# define LT_DIRSEP_CHAR '\\'
|
||||
# define LT_PATHSEP_CHAR ';'
|
||||
# endif
|
||||
#endif
|
||||
#ifndef LT_PATHSEP_CHAR
|
||||
# define LT_PATHSEP_CHAR ':'
|
||||
#endif
|
||||
|
||||
/* DLL building support on win32 hosts; mostly to workaround their
|
||||
ridiculous implementation of data symbol exporting. */
|
||||
#ifndef LT_SCOPE
|
||||
# ifdef __WINDOWS__
|
||||
# ifdef DLL_EXPORT /* defined by libtool (if required) */
|
||||
# define LT_SCOPE __declspec(dllexport)
|
||||
# endif
|
||||
# ifdef LIBLTDL_DLL_IMPORT /* define if linking with this dll */
|
||||
# define LT_SCOPE extern __declspec(dllimport)
|
||||
# endif
|
||||
# endif
|
||||
# ifndef LT_SCOPE /* static linking or !__WINDOWS__ */
|
||||
# define LT_SCOPE extern
|
||||
# endif
|
||||
#endif
|
||||
|
||||
|
||||
#if defined(_MSC_VER) /* Visual Studio */
|
||||
# define R_OK 4
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
/* --- DYNAMIC MODULE LOADING API --- */
|
||||
|
||||
|
||||
typedef struct lt_dlhandle_struct *lt_dlhandle; /* A loaded module. */
|
||||
|
||||
/* Initialisation and finalisation functions for libltdl. */
|
||||
LT_SCOPE int lt_dlinit LT_PARAMS((void));
|
||||
LT_SCOPE int lt_dlexit LT_PARAMS((void));
|
||||
|
||||
/* Module search path manipulation. */
|
||||
LT_SCOPE int lt_dladdsearchdir LT_PARAMS((const char *search_dir));
|
||||
LT_SCOPE int lt_dlinsertsearchdir LT_PARAMS((const char *before,
|
||||
const char *search_dir));
|
||||
LT_SCOPE int lt_dlsetsearchpath LT_PARAMS((const char *search_path));
|
||||
LT_SCOPE const char *lt_dlgetsearchpath LT_PARAMS((void));
|
||||
LT_SCOPE int lt_dlforeachfile LT_PARAMS((
|
||||
const char *search_path,
|
||||
int (*func) (const char *filename, lt_ptr data),
|
||||
lt_ptr data));
|
||||
|
||||
/* Portable libltdl versions of the system dlopen() API. */
|
||||
LT_SCOPE lt_dlhandle lt_dlopen LT_PARAMS((const char *filename));
|
||||
LT_SCOPE lt_dlhandle lt_dlopenext LT_PARAMS((const char *filename));
|
||||
LT_SCOPE lt_ptr lt_dlsym LT_PARAMS((lt_dlhandle handle,
|
||||
const char *name));
|
||||
LT_SCOPE const char *lt_dlerror LT_PARAMS((void));
|
||||
LT_SCOPE int lt_dlclose LT_PARAMS((lt_dlhandle handle));
|
||||
|
||||
/* Module residency management. */
|
||||
LT_SCOPE int lt_dlmakeresident LT_PARAMS((lt_dlhandle handle));
|
||||
LT_SCOPE int lt_dlisresident LT_PARAMS((lt_dlhandle handle));
|
||||
|
||||
|
||||
|
||||
|
||||
/* --- MUTEX LOCKING --- */
|
||||
|
||||
|
||||
typedef void lt_dlmutex_lock LT_PARAMS((void));
|
||||
typedef void lt_dlmutex_unlock LT_PARAMS((void));
|
||||
typedef void lt_dlmutex_seterror LT_PARAMS((const char *errmsg));
|
||||
typedef const char *lt_dlmutex_geterror LT_PARAMS((void));
|
||||
|
||||
LT_SCOPE int lt_dlmutex_register LT_PARAMS((lt_dlmutex_lock *lock,
|
||||
lt_dlmutex_unlock *unlock,
|
||||
lt_dlmutex_seterror *seterror,
|
||||
lt_dlmutex_geterror *geterror));
|
||||
|
||||
|
||||
|
||||
|
||||
/* --- MEMORY HANDLING --- */
|
||||
|
||||
|
||||
/* By default, the realloc function pointer is set to our internal
|
||||
realloc implementation which iself uses lt_dlmalloc and lt_dlfree.
|
||||
libltdl relies on a featureful realloc, but if you are sure yours
|
||||
has the right semantics then you can assign it directly. Generally,
|
||||
it is safe to assign just a malloc() and a free() function. */
|
||||
LT_SCOPE lt_ptr (*lt_dlmalloc) LT_PARAMS((size_t size));
|
||||
LT_SCOPE lt_ptr (*lt_dlrealloc) LT_PARAMS((lt_ptr ptr, size_t size));
|
||||
LT_SCOPE void (*lt_dlfree) LT_PARAMS((lt_ptr ptr));
|
||||
|
||||
|
||||
|
||||
|
||||
/* --- PRELOADED MODULE SUPPORT --- */
|
||||
|
||||
|
||||
/* A preopened symbol. Arrays of this type comprise the exported
|
||||
symbols for a dlpreopened module. */
|
||||
typedef struct {
|
||||
const char *name;
|
||||
lt_ptr address;
|
||||
} lt_dlsymlist;
|
||||
|
||||
LT_SCOPE int lt_dlpreload LT_PARAMS((const lt_dlsymlist *preloaded));
|
||||
LT_SCOPE int lt_dlpreload_default
|
||||
LT_PARAMS((const lt_dlsymlist *preloaded));
|
||||
|
||||
#define LTDL_SET_PRELOADED_SYMBOLS() LT_STMT_START{ \
|
||||
extern const lt_dlsymlist lt_preloaded_symbols[]; \
|
||||
lt_dlpreload_default(lt_preloaded_symbols); \
|
||||
}LT_STMT_END
|
||||
|
||||
|
||||
|
||||
|
||||
/* --- MODULE INFORMATION --- */
|
||||
|
||||
|
||||
/* Read only information pertaining to a loaded module. */
|
||||
typedef struct {
|
||||
char *filename; /* file name */
|
||||
char *name; /* module name */
|
||||
int ref_count; /* number of times lt_dlopened minus
|
||||
number of times lt_dlclosed. */
|
||||
} lt_dlinfo;
|
||||
|
||||
LT_SCOPE const lt_dlinfo *lt_dlgetinfo LT_PARAMS((lt_dlhandle handle));
|
||||
LT_SCOPE lt_dlhandle lt_dlhandle_next LT_PARAMS((lt_dlhandle place));
|
||||
LT_SCOPE int lt_dlforeach LT_PARAMS((
|
||||
int (*func) (lt_dlhandle handle, lt_ptr data),
|
||||
lt_ptr data));
|
||||
|
||||
/* Associating user data with loaded modules. */
|
||||
typedef unsigned lt_dlcaller_id;
|
||||
|
||||
LT_SCOPE lt_dlcaller_id lt_dlcaller_register LT_PARAMS((void));
|
||||
LT_SCOPE lt_ptr lt_dlcaller_set_data LT_PARAMS((lt_dlcaller_id key,
|
||||
lt_dlhandle handle,
|
||||
lt_ptr data));
|
||||
LT_SCOPE lt_ptr lt_dlcaller_get_data LT_PARAMS((lt_dlcaller_id key,
|
||||
lt_dlhandle handle));
|
||||
|
||||
|
||||
|
||||
/* --- USER MODULE LOADER API --- */
|
||||
|
||||
|
||||
typedef struct lt_dlloader lt_dlloader;
|
||||
typedef lt_ptr lt_user_data;
|
||||
typedef lt_ptr lt_module;
|
||||
|
||||
/* Function pointer types for creating user defined module loaders. */
|
||||
typedef lt_module lt_module_open LT_PARAMS((lt_user_data loader_data,
|
||||
const char *filename));
|
||||
typedef int lt_module_close LT_PARAMS((lt_user_data loader_data,
|
||||
lt_module handle));
|
||||
typedef lt_ptr lt_find_sym LT_PARAMS((lt_user_data loader_data,
|
||||
lt_module handle,
|
||||
const char *symbol));
|
||||
typedef int lt_dlloader_exit LT_PARAMS((lt_user_data loader_data));
|
||||
|
||||
struct lt_user_dlloader {
|
||||
const char *sym_prefix;
|
||||
lt_module_open *module_open;
|
||||
lt_module_close *module_close;
|
||||
lt_find_sym *find_sym;
|
||||
lt_dlloader_exit *dlloader_exit;
|
||||
lt_user_data dlloader_data;
|
||||
};
|
||||
|
||||
LT_SCOPE lt_dlloader *lt_dlloader_next LT_PARAMS((lt_dlloader *place));
|
||||
LT_SCOPE lt_dlloader *lt_dlloader_find LT_PARAMS((
|
||||
const char *loader_name));
|
||||
LT_SCOPE const char *lt_dlloader_name LT_PARAMS((lt_dlloader *place));
|
||||
LT_SCOPE lt_user_data *lt_dlloader_data LT_PARAMS((lt_dlloader *place));
|
||||
LT_SCOPE int lt_dlloader_add LT_PARAMS((lt_dlloader *place,
|
||||
const struct lt_user_dlloader *dlloader,
|
||||
const char *loader_name));
|
||||
LT_SCOPE int lt_dlloader_remove LT_PARAMS((
|
||||
const char *loader_name));
|
||||
|
||||
|
||||
|
||||
/* --- ERROR MESSAGE HANDLING --- */
|
||||
|
||||
|
||||
/* Defining error strings alongside their symbolic names in a macro in
|
||||
this way allows us to expand the macro in different contexts with
|
||||
confidence that the enumeration of symbolic names will map correctly
|
||||
onto the table of error strings. */
|
||||
#define lt_dlerror_table \
|
||||
LT_ERROR(UNKNOWN, "unknown error") \
|
||||
LT_ERROR(DLOPEN_NOT_SUPPORTED, "dlopen support not available") \
|
||||
LT_ERROR(INVALID_LOADER, "invalid loader") \
|
||||
LT_ERROR(INIT_LOADER, "loader initialization failed") \
|
||||
LT_ERROR(REMOVE_LOADER, "loader removal failed") \
|
||||
LT_ERROR(FILE_NOT_FOUND, "file not found") \
|
||||
LT_ERROR(DEPLIB_NOT_FOUND, "dependency library not found") \
|
||||
LT_ERROR(NO_SYMBOLS, "no symbols defined") \
|
||||
LT_ERROR(CANNOT_OPEN, "can't open the module") \
|
||||
LT_ERROR(CANNOT_CLOSE, "can't close the module") \
|
||||
LT_ERROR(SYMBOL_NOT_FOUND, "symbol not found") \
|
||||
LT_ERROR(NO_MEMORY, "not enough memory") \
|
||||
LT_ERROR(INVALID_HANDLE, "invalid module handle") \
|
||||
LT_ERROR(BUFFER_OVERFLOW, "internal buffer overflow") \
|
||||
LT_ERROR(INVALID_ERRORCODE, "invalid errorcode") \
|
||||
LT_ERROR(SHUTDOWN, "library already shutdown") \
|
||||
LT_ERROR(CLOSE_RESIDENT_MODULE, "can't close resident module") \
|
||||
LT_ERROR(INVALID_MUTEX_ARGS, "invalid mutex handler registration") \
|
||||
LT_ERROR(INVALID_POSITION, "invalid search path insert position")
|
||||
|
||||
/* Enumerate the symbolic error names. */
|
||||
enum {
|
||||
#define LT_ERROR(name, diagnostic) LT_CONC(LT_ERROR_, name),
|
||||
lt_dlerror_table
|
||||
#undef LT_ERROR
|
||||
|
||||
LT_ERROR_MAX
|
||||
};
|
||||
|
||||
/* These functions are only useful from inside custom module loaders. */
|
||||
LT_SCOPE int lt_dladderror LT_PARAMS((const char *diagnostic));
|
||||
LT_SCOPE int lt_dlseterror LT_PARAMS((int errorcode));
|
||||
|
||||
|
||||
|
||||
|
||||
/* --- SOURCE COMPATIBILITY WITH OLD LIBLTDL --- */
|
||||
|
||||
|
||||
#ifdef LT_NON_POSIX_NAMESPACE
|
||||
# define lt_ptr_t lt_ptr
|
||||
# define lt_module_t lt_module
|
||||
# define lt_module_open_t lt_module_open
|
||||
# define lt_module_close_t lt_module_close
|
||||
# define lt_find_sym_t lt_find_sym
|
||||
# define lt_dlloader_exit_t lt_dlloader_exit
|
||||
# define lt_dlloader_t lt_dlloader
|
||||
# define lt_dlloader_data_t lt_user_data
|
||||
#endif
|
||||
|
||||
LT_END_C_DECLS
|
||||
|
||||
#endif /* !LTDL_H */
|
Loading…
Reference in New Issue
Block a user