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authorBrad King <brad.king@kitware.com>2016-11-09 14:23:18 (GMT)
committerBrad King <brad.king@kitware.com>2016-11-09 14:23:18 (GMT)
commit95a97a40e48a0db2b206c4560d6962be3666812c (patch)
treee7f6f0e6ffca54ee18f8c276735e8a60e45f8833 /Source/kwsys/DynamicLoader.cxx
parent666bb0e3fa0d212c03f785bd9f6bc05d29925e1f (diff)
parent773b36e5d4af3ac040625e0ea16bcfd30fcdeb6d (diff)
downloadCMake-95a97a40e48a0db2b206c4560d6962be3666812c.zip
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Merge branch 'upstream-KWSys' into update-kwsys
* upstream-KWSys: KWSys 2016-11-09 (18c65411)
Diffstat (limited to 'Source/kwsys/DynamicLoader.cxx')
-rw-r--r--Source/kwsys/DynamicLoader.cxx229
1 files changed, 100 insertions, 129 deletions
diff --git a/Source/kwsys/DynamicLoader.cxx b/Source/kwsys/DynamicLoader.cxx
index 1941d96..e0268c0 100644
--- a/Source/kwsys/DynamicLoader.cxx
+++ b/Source/kwsys/DynamicLoader.cxx
@@ -1,14 +1,5 @@
-/*============================================================================
- KWSys - Kitware System Library
- Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
-
- Distributed under the OSI-approved BSD License (the "License");
- see accompanying file Copyright.txt for details.
-
- This software is distributed WITHOUT ANY WARRANTY; without even the
- implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- See the License for more information.
-============================================================================*/
+/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+ file Copyright.txt or https://cmake.org/licensing#kwsys for details. */
#include "kwsysPrivate.h"
#include KWSYS_HEADER(DynamicLoader.hxx)
@@ -17,8 +8,8 @@
// Work-around CMake dependency scanning limitation. This must
// duplicate the above list of headers.
#if 0
-# include "DynamicLoader.hxx.in"
-# include "Configure.hxx.in"
+#include "Configure.hxx.in"
+#include "DynamicLoader.hxx.in"
#endif
// This file is actually 3 different implementations.
@@ -32,15 +23,15 @@
// ---------------------------------------------------------------
// 1. Implementation for HPUX machines
#ifdef __hpux
-#include <errno.h>
#include <dl.h>
+#include <errno.h>
#define DYNAMICLOADER_DEFINED 1
-namespace KWSYS_NAMESPACE
-{
+namespace KWSYS_NAMESPACE {
//----------------------------------------------------------------------------
-DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(const std::string& libname )
+DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
+ const std::string& libname)
{
return shl_load(libname.c_str(), BIND_DEFERRED | DYNAMIC_PATH, 0L);
}
@@ -48,25 +39,25 @@ DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(const std::string& libna
//----------------------------------------------------------------------------
int DynamicLoader::CloseLibrary(DynamicLoader::LibraryHandle lib)
{
- if (!lib)
- {
+ if (!lib) {
return 0;
- }
+ }
return !shl_unload(lib);
}
//----------------------------------------------------------------------------
-DynamicLoader::SymbolPointer
-DynamicLoader::GetSymbolAddress(DynamicLoader::LibraryHandle lib, const std::string& sym)
+DynamicLoader::SymbolPointer DynamicLoader::GetSymbolAddress(
+ DynamicLoader::LibraryHandle lib, const std::string& sym)
{
void* addr;
int status;
/* TYPE_PROCEDURE Look for a function or procedure. (This used to be default)
- * TYPE_DATA Look for a symbol in the data segment (for example, variables).
+ * TYPE_DATA Look for a symbol in the data segment (for example,
+ * variables).
* TYPE_UNDEFINED Look for any symbol.
*/
- status = shl_findsym (&lib, sym.c_str(), TYPE_UNDEFINED, &addr);
+ status = shl_findsym(&lib, sym.c_str(), TYPE_UNDEFINED, &addr);
void* result = (status < 0) ? (void*)0 : addr;
// Hack to cast pointer-to-data to pointer-to-function.
@@ -88,12 +79,9 @@ const char* DynamicLoader::LastError()
* The specified handle is invalid.
*/
- if( errno == ENOEXEC
- || errno == ENOSYM
- || errno == EINVAL )
- {
+ if (errno == ENOEXEC || errno == ENOSYM || errno == EINVAL) {
return strerror(errno);
- }
+ }
// else
return 0;
}
@@ -102,38 +90,37 @@ const char* DynamicLoader::LastError()
#endif //__hpux
-
// ---------------------------------------------------------------
// 2. Implementation for Mac OS X 10.2.x and earlier
#ifdef __APPLE__
#if MAC_OS_X_VERSION_MAX_ALLOWED < 1030
-#include <string.h> // for strlen
#include <mach-o/dyld.h>
+#include <string.h> // for strlen
#define DYNAMICLOADER_DEFINED 1
-namespace KWSYS_NAMESPACE
-{
+namespace KWSYS_NAMESPACE {
//----------------------------------------------------------------------------
-DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(const std::string& libname )
+DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
+ const std::string& libname)
{
NSObjectFileImageReturnCode rc;
NSObjectFileImage image = 0;
rc = NSCreateObjectFileImageFromFile(libname.c_str(), &image);
// rc == NSObjectFileImageInappropriateFile when trying to load a dylib file
- if( rc != NSObjectFileImageSuccess )
- {
+ if (rc != NSObjectFileImageSuccess) {
return 0;
- }
- NSModule handle = NSLinkModule(image, libname.c_str(),
- NSLINKMODULE_OPTION_BINDNOW|NSLINKMODULE_OPTION_RETURN_ON_ERROR);
+ }
+ NSModule handle =
+ NSLinkModule(image, libname.c_str(), NSLINKMODULE_OPTION_BINDNOW |
+ NSLINKMODULE_OPTION_RETURN_ON_ERROR);
NSDestroyObjectFileImage(image);
return handle;
}
//----------------------------------------------------------------------------
-int DynamicLoader::CloseLibrary( DynamicLoader::LibraryHandle lib)
+int DynamicLoader::CloseLibrary(DynamicLoader::LibraryHandle lib)
{
// NSUNLINKMODULE_OPTION_KEEP_MEMORY_MAPPED
// With this option the memory for the module is not deallocated
@@ -148,18 +135,17 @@ int DynamicLoader::CloseLibrary( DynamicLoader::LibraryHandle lib)
DynamicLoader::SymbolPointer DynamicLoader::GetSymbolAddress(
DynamicLoader::LibraryHandle lib, const std::string& sym)
{
- void *result=0;
+ void* result = 0;
// Need to prepend symbols with '_' on Apple-gcc compilers
size_t len = sym.size();
- char *rsym = new char[len + 1 + 1];
+ char* rsym = new char[len + 1 + 1];
strcpy(rsym, "_");
- strcat(rsym+1, sym.c_str());
+ strcat(rsym + 1, sym.c_str());
NSSymbol symbol = NSLookupSymbolInModule(lib, rsym);
- if(symbol)
- {
+ if (symbol) {
result = NSAddressOfSymbol(symbol);
- }
+ }
delete[] rsym;
// Hack to cast pointer-to-data to pointer-to-function.
@@ -183,19 +169,19 @@ const char* DynamicLoader::LastError()
#include <windows.h>
#define DYNAMICLOADER_DEFINED 1
-namespace KWSYS_NAMESPACE
-{
+namespace KWSYS_NAMESPACE {
//----------------------------------------------------------------------------
-DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(const std::string& libname)
+DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
+ const std::string& libname)
{
DynamicLoader::LibraryHandle lh;
int length = MultiByteToWideChar(CP_UTF8, 0, libname.c_str(), -1, NULL, 0);
- wchar_t* wchars = new wchar_t[length+1];
+ wchar_t* wchars = new wchar_t[length + 1];
wchars[0] = '\0';
MultiByteToWideChar(CP_UTF8, 0, libname.c_str(), -1, wchars, length);
lh = LoadLibraryW(wchars);
- delete [] wchars;
+ delete[] wchars;
return lh;
}
@@ -231,21 +217,21 @@ DynamicLoader::SymbolPointer DynamicLoader::GetSymbolAddress(
//
// Note that the "@X" part of the name above is the total size (in
// bytes) of the arguments on the stack.
- void *result;
+ void* result;
#if defined(__BORLANDC__) || defined(__WATCOMC__)
// Need to prepend symbols with '_'
size_t len = sym.size();
- char *rsym = new char[len + 1 + 1];
+ char* rsym = new char[len + 1 + 1];
strcpy(rsym, "_");
strcat(rsym, sym.c_str());
#else
- const char *rsym = sym.c_str();
+ const char* rsym = sym.c_str();
#endif
result = (void*)GetProcAddress(lib, rsym);
#if defined(__BORLANDC__) || defined(__WATCOMC__)
delete[] rsym;
#endif
- // Hack to cast pointer-to-data to pointer-to-function.
+// Hack to cast pointer-to-data to pointer-to-function.
#ifdef __WATCOMC__
return *(DynamicLoader::SymbolPointer*)(&result);
#else
@@ -256,28 +242,22 @@ DynamicLoader::SymbolPointer DynamicLoader::GetSymbolAddress(
//----------------------------------------------------------------------------
const char* DynamicLoader::LastError()
{
- LPVOID lpMsgBuf=NULL;
-
- FormatMessage(
- FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
- NULL,
- GetLastError(),
- MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
- (LPTSTR) &lpMsgBuf,
- 0,
- NULL
- );
-
- if(!lpMsgBuf)
- {
+ LPVOID lpMsgBuf = NULL;
+
+ FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL, GetLastError(),
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
+ (LPTSTR)&lpMsgBuf, 0, NULL);
+
+ if (!lpMsgBuf) {
return NULL;
- }
+ }
static char* str = 0;
- delete [] str;
- str = strcpy(new char[strlen((char*)lpMsgBuf)+1], (char*)lpMsgBuf);
+ delete[] str;
+ str = strcpy(new char[strlen((char*)lpMsgBuf) + 1], (char*)lpMsgBuf);
// Free the buffer.
- LocalFree( lpMsgBuf );
+ LocalFree(lpMsgBuf);
return str;
}
@@ -296,44 +276,39 @@ const char* DynamicLoader::LastError()
#define DYNAMICLOADER_DEFINED 1
-namespace KWSYS_NAMESPACE
-{
+namespace KWSYS_NAMESPACE {
static image_id last_dynamic_err = B_OK;
//----------------------------------------------------------------------------
-DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(const std::string& libname )
+DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
+ const std::string& libname)
{
// image_id's are integers, errors are negative. Add one just in case we
// get a valid image_id of zero (is that even possible?).
image_id rc = load_add_on(libname.c_str());
- if (rc < 0)
- {
+ if (rc < 0) {
last_dynamic_err = rc;
return 0;
- }
+ }
- return rc+1;
+ return rc + 1;
}
//----------------------------------------------------------------------------
int DynamicLoader::CloseLibrary(DynamicLoader::LibraryHandle lib)
{
- if (!lib)
- {
- last_dynamic_err = B_BAD_VALUE;
- return 0;
- }
- else
- {
+ if (!lib) {
+ last_dynamic_err = B_BAD_VALUE;
+ return 0;
+ } else {
// The function dlclose() returns 0 on success, and non-zero on error.
- status_t rc = unload_add_on(lib-1);
- if (rc != B_OK)
- {
+ status_t rc = unload_add_on(lib - 1);
+ if (rc != B_OK) {
last_dynamic_err = rc;
return 0;
- }
}
+ }
return 1;
}
@@ -343,7 +318,7 @@ DynamicLoader::SymbolPointer DynamicLoader::GetSymbolAddress(
DynamicLoader::LibraryHandle lib, const std::string& sym)
{
// Hack to cast pointer-to-data to pointer-to-function.
- union
+ union
{
void* pvoid;
DynamicLoader::SymbolPointer psym;
@@ -351,29 +326,26 @@ DynamicLoader::SymbolPointer DynamicLoader::GetSymbolAddress(
result.psym = NULL;
- if (!lib)
- {
- last_dynamic_err = B_BAD_VALUE;
- }
- else
- {
+ if (!lib) {
+ last_dynamic_err = B_BAD_VALUE;
+ } else {
// !!! FIXME: BeOS can do function-only lookups...does this ever
// !!! FIXME: actually _want_ a data symbol lookup, or was this union
// !!! FIXME: a leftover of dlsym()? (s/ANY/TEXT for functions only).
- status_t rc = get_image_symbol(lib-1,sym.c_str(),B_SYMBOL_TYPE_ANY,&result.pvoid);
- if (rc != B_OK)
- {
+ status_t rc =
+ get_image_symbol(lib - 1, sym.c_str(), B_SYMBOL_TYPE_ANY, &result.pvoid);
+ if (rc != B_OK) {
last_dynamic_err = rc;
result.psym = NULL;
- }
}
+ }
return result.psym;
}
//----------------------------------------------------------------------------
const char* DynamicLoader::LastError()
{
- const char *retval = strerror(last_dynamic_err);
+ const char* retval = strerror(last_dynamic_err);
last_dynamic_err = B_OK;
return retval;
}
@@ -385,15 +357,16 @@ const char* DynamicLoader::LastError()
// 5. Implementation for systems without dynamic libs
// __gnu_blrts__ is IBM BlueGene/L
// __LIBCATAMOUNT__ is defined on Catamount on Cray compute nodes
-#if defined(__gnu_blrts__) || defined(__LIBCATAMOUNT__) || defined(__CRAYXT_COMPUTE_LINUX_TARGET)
+#if defined(__gnu_blrts__) || defined(__LIBCATAMOUNT__) || \
+ defined(__CRAYXT_COMPUTE_LINUX_TARGET)
#include <string.h> // for strerror()
#define DYNAMICLOADER_DEFINED 1
-namespace KWSYS_NAMESPACE
-{
+namespace KWSYS_NAMESPACE {
//----------------------------------------------------------------------------
-DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(const std::string& libname )
+DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
+ const std::string& libname)
{
return 0;
}
@@ -401,26 +374,25 @@ DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(const std::string& libna
//----------------------------------------------------------------------------
int DynamicLoader::CloseLibrary(DynamicLoader::LibraryHandle lib)
{
- if (!lib)
- {
+ if (!lib) {
return 0;
- }
+ }
return 1;
}
//----------------------------------------------------------------------------
DynamicLoader::SymbolPointer DynamicLoader::GetSymbolAddress(
- DynamicLoader::LibraryHandle lib, const std::string& sym)
+ DynamicLoader::LibraryHandle lib, const std::string& sym)
{
return 0;
}
//----------------------------------------------------------------------------
const char* DynamicLoader::LastError()
- {
+{
return "General error";
- }
+}
} // namespace KWSYS_NAMESPACE
#endif
@@ -428,28 +400,28 @@ const char* DynamicLoader::LastError()
#ifdef __MINT__
#define DYNAMICLOADER_DEFINED 1
#define _GNU_SOURCE /* for program_invocation_name */
-#include <string.h>
-#include <malloc.h>
-#include <errno.h>
#include <dld.h>
+#include <errno.h>
+#include <malloc.h>
+#include <string.h>
-namespace KWSYS_NAMESPACE
-{
+namespace KWSYS_NAMESPACE {
//----------------------------------------------------------------------------
-DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(const std::string& libname )
+DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
+ const std::string& libname)
{
- char *name = (char *)calloc(1, libname.size() + 1);
+ char* name = (char*)calloc(1, libname.size() + 1);
dld_init(program_invocation_name);
strncpy(name, libname.c_str(), libname.size());
dld_link(libname.c_str());
- return (void *)name;
+ return (void*)name;
}
//----------------------------------------------------------------------------
int DynamicLoader::CloseLibrary(DynamicLoader::LibraryHandle lib)
{
- dld_unlink_by_file((char *)lib, 0);
+ dld_unlink_by_file((char*)lib, 0);
free(lib);
return 0;
}
@@ -485,11 +457,11 @@ const char* DynamicLoader::LastError()
// Setup for most unix machines
#include <dlfcn.h>
-namespace KWSYS_NAMESPACE
-{
+namespace KWSYS_NAMESPACE {
//----------------------------------------------------------------------------
-DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(const std::string& libname )
+DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(
+ const std::string& libname)
{
return dlopen(libname.c_str(), RTLD_LAZY);
}
@@ -497,11 +469,10 @@ DynamicLoader::LibraryHandle DynamicLoader::OpenLibrary(const std::string& libna
//----------------------------------------------------------------------------
int DynamicLoader::CloseLibrary(DynamicLoader::LibraryHandle lib)
{
- if (lib)
- {
+ if (lib) {
// The function dlclose() returns 0 on success, and non-zero on error.
return !dlclose(lib);
- }
+ }
// else
return 0;
}
@@ -511,7 +482,7 @@ DynamicLoader::SymbolPointer DynamicLoader::GetSymbolAddress(
DynamicLoader::LibraryHandle lib, const std::string& sym)
{
// Hack to cast pointer-to-data to pointer-to-function.
- union
+ union
{
void* pvoid;
DynamicLoader::SymbolPointer psym;