aboutsummaryrefslogtreecommitdiff
path: root/dlfcn
diff options
context:
space:
mode:
Diffstat (limited to 'dlfcn')
-rw-r--r--dlfcn/dlfcn.h21
-rw-r--r--dlfcn/dlinfo.c24
2 files changed, 42 insertions, 3 deletions
diff --git a/dlfcn/dlfcn.h b/dlfcn/dlfcn.h
index 42c25b8..7e373edd 100644
--- a/dlfcn/dlfcn.h
+++ b/dlfcn/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
@@ -135,6 +136,8 @@ enum
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'
@@ -147,7 +150,21 @@ enum
expand $ORIGIN in this shared object's dependency file names. */
RTLD_DI_ORIGIN = 6,
- RTLD_DI_CONFIGADDR = 3 /* Unsupported, defined by Solaris. */
+ 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,
};
diff --git a/dlfcn/dlinfo.c b/dlfcn/dlinfo.c
index 44af55a..b1e2b00 100644
--- a/dlfcn/dlinfo.c
+++ b/dlfcn/dlinfo.c
@@ -1,5 +1,5 @@
/* dlinfo -- Get information from the dynamic linker.
- Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 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
@@ -32,6 +32,10 @@ dlinfo (void *handle, int request, void *arg)
#else
+# ifdef USE_TLS
+# include <dl-tls.h>
+# endif
+
struct dlinfo_args
{
ElfW(Addr) caller;
@@ -90,6 +94,24 @@ RTLD_SELF used in code not dynamically loaded"));
case RTLD_DI_ORIGIN:
strcpy (args->arg, l->l_origin);
break;
+
+ case RTLD_DI_TLS_MODID:
+ *(size_t *) args->arg = 0;
+#ifdef USE_TLS
+ *(size_t *) args->arg = l->l_tls_modid;
+#endif
+ break;
+
+ case RTLD_DI_TLS_DATA:
+ {
+ void *data = NULL;
+#ifdef USE_TLS
+ if (l->l_tls_modid != 0)
+ data = _dl_tls_get_addr_soft (l);
+#endif
+ *(void **) args->arg = data;
+ break;
+ }
}
}