GNU C Library master sources branch release/2.17/master updated. glibc-2.17-12-g15256e5

[cmetcalf at sourceware dot org]

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=15256e58adc62d8d62c03b2b3ba526b468758702

commit 15256e58adc62d8d62c03b2b3ba526b468758702
Author: Chris Metcalf <cmetcalf@tilera.com>
Date:   Mon Jul 22 11:46:44 2013 -0400

    tile BZ #15759: Fix bug in _dl_unmap
    
    We returned without calling __munmap if not in the simulator.
    Now we call a separate sim_dlclose() function to make the
    control flow work correctly.
    
    (cherry picked from commit 1fe2988f523ddbad93ca7abc98fea982f2ae0505)
    
    Conflicts:
    	NEWS

diff --git a/NEWS b/NEWS
index da0f312..10c1ca6 100644
--- a/NEWS
+++ b/NEWS
@@ -8,7 +8,7 @@ using `glibc' in the "product" field.
 Version 2.17.1
 
 * The following bugs are resolved with this release:
-  15003, 15006, 15122.
+  15003, 15006, 15122, 15759.
 
 
 Version 2.17
diff --git a/ports/ChangeLog.tile b/ports/ChangeLog.tile
index 303311d..f0cd08d 100644
--- a/ports/ChangeLog.tile
+++ b/ports/ChangeLog.tile
@@ -1,3 +1,9 @@
+2013-07-22  Chris Metcalf  <cmetcalf@tilera.com>
+
+	[BZ #15759]
+	* sysdeps/tile/dl-runtime.c (sim_dlclose): New function.
+	(_dl_unmap): Call sim_dlclose().
+
 2013-06-12  Chris Metcalf  <cmetcalf@tilera.com>
 
 	* sysdeps/tile/bits/endian.h (__BYTE_ORDER): Default to little.
diff --git a/ports/sysdeps/tile/dl-runtime.c b/ports/sysdeps/tile/dl-runtime.c
index e965828..f697d57 100644
--- a/ports/sysdeps/tile/dl-runtime.c
+++ b/ports/sysdeps/tile/dl-runtime.c
@@ -127,8 +127,8 @@ _dl_after_load (struct link_map *l)
 }
 
 /* Support notifying the simulator about removed objects prior to munmap().  */
-void internal_function
-_dl_unmap (struct link_map *l)
+static void
+sim_dlclose (ElfW(Addr) map_start)
 {
   int shift;
 
@@ -144,9 +144,15 @@ _dl_unmap (struct link_map *l)
   DLPUTC ('0');
   DLPUTC ('x');
   for (shift = (int) sizeof (unsigned long) * 8 - 4; shift >= 0; shift -= 4)
-    DLPUTC ("0123456789abcdef"[(l->l_map_start >> shift) & 0xF]);
+    DLPUTC ("0123456789abcdef"[(map_start >> shift) & 0xF]);
   DLPUTC ('\0');
+
 #undef DLPUTC
+}
 
+void internal_function
+_dl_unmap (struct link_map *l)
+{
+  sim_dlclose (l->l_map_start);
   __munmap ((void *) l->l_map_start, l->l_map_end - l->l_map_start);
 }

-----------------------------------------------------------------------

Summary of changes:
 NEWS                            |    2 +-
 ports/ChangeLog.tile            |    6 ++++++
 ports/sysdeps/tile/dl-runtime.c |   12 +++++++++---
 3 files changed, 16 insertions(+), 4 deletions(-)


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