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- Added dlclose(), dlerror(), dlopen() and dlsym() functions, which are

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available only under OS4. There is a variant of dlopen() in libunix.a
  which will perform a path name conversion. Note that these functions
  will not work in the thread-safe variant of the library because it
  would be unwise to tinker with the currently running program's binary.


git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15207 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
Olaf Barthel
2010-08-21 11:37:03 +00:00
parent 1bdfc0d143
commit f600c5e37a
10 changed files with 232 additions and 299 deletions
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19
library/stdlib_dlopen.c
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@ -1,5 +1,5 @@
/*
* $Id: stdlib_dlopen.c,v 1.1 2010-08-21 10:59:34 obarthel Exp $
* $Id: stdlib_dlopen.c,v 1.2 2010-08-21 11:37:03 obarthel Exp $
*
* :ts=4
*
@ -52,7 +52,7 @@
/****************************************************************************/
extern struct ElfIFace * __IElf;
extern Elf32_Handle __elf_handle;
extern Elf32_Handle __dl_elf_handle;
/****************************************************************************/
@ -88,21 +88,22 @@ void * dlopen(const char * path_name,int mode)
}
#endif /* UNIX_PATH_SEMANTICS */
if(__elf_handle != NULL)
if(__dl_elf_handle != NULL)
{
struct ElfIFace * IElf = __IElf;
uint32 flags;
uint32 flags = 0;
if(mode & RTLD_LOCAL)
flags = ELF32_RTLD_LOCAL;
else if (mode & RTLD_GLOBAL)
flags = ELF32_RTLD_GLOBAL;
else
flags = 0;
result = DLOpen(__elf_handle,path_name,flags);
if(mode & RTLD_GLOBAL)
flags = ELF32_RTLD_GLOBAL;
result = DLOpen(__dl_elf_handle,path_name,flags);
}
out:
return(result);
}