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Resolve symbols using dladdr() if it exists.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@31263 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
David Chisnall 2010-09-09 14:22:45 +00:00
parent 345563c947
commit 0ed572ef2d
1 changed files with 22 additions and 3 deletions
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25
Source/objc-load.m
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@ -39,6 +39,9 @@
#else
# include <objc/objc-load.h>
#endif
#ifdef __GNUSTEP_RUNTIME__
# include <objc/hooks.h>
#endif
#include "objc-load.h"
#import "Foundation/NSException.h"
@ -249,6 +252,9 @@ GSPrivateUnloadModule(FILE *errorStream,
#ifdef __MINGW__
// FIXME: We can probably get rid of this now - MinGW should include a working
// dladdr() wrapping this function, so we no longer need a Windows-only code
// path
NSString *
GSPrivateSymbolPath(Class theClass, Category *theCategory)
{
@ -264,13 +270,27 @@ GSPrivateSymbolPath(Class theClass, Category *theCategory)
}
return s;
}
#elif LINKER_GETSYMBOL
NSString *GSPrivateSymbolPath(Class theClass, Category *theCategory)
{
void *addr = (NULL == theCategory) ? (void*)theClass : (void*)theCategory;
Dl_info info;
// This is correct: dladdr() does the opposite thing to all other UNIX
// functions.
if (0 == dladdr(addr, &info))
{
return nil;
}
return [NSString stringWithUTF8String: info.dli_fname];
}
#else
NSString *
GSPrivateSymbolPath(Class theClass, Category *theCategory)
{
const char *ret;
char buf[125], *p = buf;
int len = strlen(theClass->name);
const char *className = class_getName(theClass);
int len = strlen(className);
if (theCategory == NULL)
{
@ -286,8 +306,7 @@ GSPrivateSymbolPath(Class theClass, Category *theCategory)
}
memcpy(p, "__objc_class_name_", sizeof(char)*18);
memcpy(&p[18*sizeof(char)], theClass->name,
strlen(theClass->name) + 1);
memcpy(&p[18*sizeof(char)], className, strlen(className) + 1);
}
else
{