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authorMike Frysinger <vapier@gentoo.org>2007-02-28 17:04:42 +0000
committerMike Frysinger <vapier@gentoo.org>2007-02-28 17:04:42 +0000
commitb0973711aa3a985c9479727bd96a2df4094a0114 (patch)
treee510695943deb27964ffe580c3baf39630583a58 /include
parentde853823e0f43825ca25572cdf254b57b4345822 (diff)
sync with glibc
Diffstat (limited to 'include')
-rw-r--r--include/dlfcn.h110
1 files changed, 106 insertions, 4 deletions
diff --git a/include/dlfcn.h b/include/dlfcn.h
index 282fd076c..2348e436d 100644
--- a/include/dlfcn.h
+++ b/include/dlfcn.h
@@ -1,5 +1,6 @@
/* User functions for run-time dynamic loading.
- Copyright (C) 1995-1999,2000,2001,2003,2004 Free Software Foundation, Inc.
+ Copyright (C) 1995-1999,2000,2001,2003,2004,2006
+ Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -39,6 +40,16 @@
the run-time address of the symbol called NAME in the global scope
is returned. */
# define RTLD_DEFAULT ((void *) 0)
+
+
+# if 0 /* uClibc doesnt support this */
+/* Type for namespace indeces. */
+typedef long int Lmid_t;
+
+/* Special namespace ID values. */
+# define LM_ID_BASE 0 /* Initial namespace. */
+# define LM_ID_NEWLM -1 /* For dlmopen: request new namespace. */
+# endif
#endif
__BEGIN_DECLS
@@ -56,8 +67,10 @@ extern int dlclose (void *__handle) __THROW __nonnull ((1));
extern void *dlsym (void *__restrict __handle,
__const char *__restrict __name) __THROW __nonnull ((2));
-#if 0
-#ifdef __USE_GNU
+#if 0 /*def __USE_GNU*/
+/* Like `dlopen', but request object to be allocated in a new namespace. */
+extern void *dlmopen (Lmid_t __nsid, __const char *__file, int __mode) __THROW;
+
/* Find the run-time address in the shared object HANDLE refers to
of the symbol called NAME with VERSION. */
extern void *dlvsym (void *__restrict __handle,
@@ -65,7 +78,6 @@ extern void *dlvsym (void *__restrict __handle,
__const char *__restrict __version)
__THROW __nonnull ((2, 3));
#endif
-#endif
/* When any of the above functions fails, call this function
to return a string describing the error. Each call resets
@@ -89,10 +101,100 @@ typedef struct
extern int dladdr (__const void *__address, Dl_info *__info)
__THROW __nonnull ((2));
+#if 0 /* not supported by uClibc */
+/* Same as `dladdr', but additionally sets *EXTRA_INFO according to FLAGS. */
+extern int dladdr1 (__const void *__address, Dl_info *__info,
+ void **__extra_info, int __flags) __THROW __nonnull ((2));
+
+/* These are the possible values for the FLAGS argument to `dladdr1'.
+ This indicates what extra information is stored at *EXTRA_INFO.
+ It may also be zero, in which case the EXTRA_INFO argument is not used. */
+enum
+ {
+ /* Matching symbol table entry (const ElfNN_Sym *). */
+ RTLD_DL_SYMENT = 1,
+
+ /* The object containing the address (struct link_map *). */
+ RTLD_DL_LINKMAP = 2
+ };
+
+
+/* Get information about the shared object HANDLE refers to.
+ REQUEST is from among the values below, and determines the use of ARG.
+
+ On success, returns zero. On failure, returns -1 and records an error
+ message to be fetched with `dlerror'. */
+extern int dlinfo (void *__restrict __handle,
+ int __request, void *__restrict __arg)
+ __THROW __nonnull ((1, 3));
+
+/* These are the possible values for the REQUEST argument to `dlinfo'. */
+enum
+ {
+ /* Treat ARG as `lmid_t *'; store namespace ID for HANDLE there. */
+ RTLD_DI_LMID = 1,
+
+ /* Treat ARG as `struct link_map **';
+ store the `struct link_map *' for HANDLE there. */
+ RTLD_DI_LINKMAP = 2,
+
+ RTLD_DI_CONFIGADDR = 3, /* Unsupported, defined by Solaris. */
+
+ /* Treat ARG as `Dl_serinfo *' (see below), and fill in to describe the
+ directories that will be searched for dependencies of this object.
+ RTLD_DI_SERINFOSIZE fills in just the `dls_cnt' and `dls_size'
+ entries to indicate the size of the buffer that must be passed to
+ RTLD_DI_SERINFO to fill in the full information. */
+ RTLD_DI_SERINFO = 4,
+ RTLD_DI_SERINFOSIZE = 5,
+
+ /* Treat ARG as `char *', and store there the directory name used to
+ expand $ORIGIN in this shared object's dependency file names. */
+ RTLD_DI_ORIGIN = 6,
+
+ RTLD_DI_PROFILENAME = 7, /* Unsupported, defined by Solaris. */
+ RTLD_DI_PROFILEOUT = 8, /* Unsupported, defined by Solaris. */
+
+ /* Treat ARG as `size_t *', and store there the TLS module ID
+ of this object's PT_TLS segment, as used in TLS relocations;
+ store zero if this object does not define a PT_TLS segment. */
+ RTLD_DI_TLS_MODID = 9,
+
+ /* Treat ARG as `void **', and store there a pointer to the calling
+ thread's TLS block corresponding to this object's PT_TLS segment.
+ Store a null pointer if this object does not define a PT_TLS
+ segment, or if the calling thread has not allocated a block for it. */
+ RTLD_DI_TLS_DATA = 10,
+
+ RTLD_DI_MAX = 10,
+ };
+
+
+/* This is the type of elements in `Dl_serinfo', below.
+ The `dls_name' member points to space in the buffer passed to `dlinfo'. */
+typedef struct
+{
+ char *dls_name; /* Name of library search path directory. */
+ unsigned int dls_flags; /* Indicates where this directory came from. */
+} Dl_serpath;
+
+/* This is the structure that must be passed (by reference) to `dlinfo' for
+ the RTLD_DI_SERINFO and RTLD_DI_SERINFOSIZE requests. */
+typedef struct
+{
+ size_t dls_size; /* Size in bytes of the whole buffer. */
+ unsigned int dls_cnt; /* Number of elements in `dls_serpath'. */
+ Dl_serpath dls_serpath[1]; /* Actually longer, dls_cnt elements. */
+} Dl_serinfo;
+
+#else
+
/* Get information about the shared objects currently loaded */
extern int dlinfo (void);
#endif
+#endif /* __USE_GNU */
+
__END_DECLS