Updated to fedora-glibc-20051020T0651

3 files changed, 18 insertions, 15 deletions

diff --git a/elf/Makefile b/elf/Makefile
index 123b448ff1..91fb218ccd 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -223,6 +223,10 @@ extra-objs += $(addsuffix .os,$(strip $(modules-names)))
 # We need this variable to be sure the test modules get the right CPPFLAGS.
 test-extras += $(modules-names)
 
+# filtmod1.so has a special rule
+modules-names-nobuild := filtmod1
+
+
 include ../Rules
 
 check-abi: check-abi-ld
@@ -490,10 +494,6 @@ reldep9mod1.so-no-z-defs = yes
 unload3mod4.so-no-z-defs = yes
 unload4mod1.so-no-z-defs = yes
 
-# filtmod1.so has a special rule
-$(filter-out $(objpfx)filtmod1.so, $(test-modules)): $(objpfx)%.so: $(objpfx)%.os
-	$(build-module)
-
 ifeq ($(build-shared),yes)
 # Build all the modules even when not actually running test programs.
 tests: $(test-modules)
diff --git a/elf/cache.c b/elf/cache.c
index 9324f3dc6c..d5f313657c 100644
--- a/elf/cache.c
+++ b/elf/cache.c
@@ -108,7 +108,8 @@ print_entry (const char *lib, int flag, unsigned int osversion,
 	[1] = "Hurd",
 	[2] = "Solaris",
 	[3] = "FreeBSD",
-	[4] = N_("Unknown OS")
+	[4] = "kNetBSD",
+	[5] = N_("Unknown OS")
       };
 #define MAXTAG (sizeof abi_tag_os / sizeof abi_tag_os[0] - 1)
       unsigned int os = osversion >> 24;
diff --git a/elf/dl-load.c b/elf/dl-load.c
index 0ed670d158..bba1c83ba0 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -50,15 +50,17 @@
    overwritten.  Some losing VM systems like Linux's lack MAP_COPY.  All we
    get is MAP_PRIVATE, which copies each page when it is modified; this
    means if the file is overwritten, we may at some point get some pages
-   from the new version after starting with pages from the old version.  */
-#ifndef MAP_COPY
-# define MAP_COPY	MAP_PRIVATE
-#endif
+   from the new version after starting with pages from the old version.
 
-/* We want to prevent people from modifying DSOs which are currently in
-   use.  This is what MAP_DENYWRITE is for.  */
-#ifndef MAP_DENYWRITE
-# define MAP_DENYWRITE	0
+   To make up for the lack and avoid the overwriting problem,
+   what Linux does have is MAP_DENYWRITE.  This prevents anyone
+   from modifying the file while we have it mapped.  */
+#ifndef MAP_COPY
+# ifdef MAP_DENYWRITE
+#  define MAP_COPY	(MAP_PRIVATE | MAP_DENYWRITE)
+# else
+#  define MAP_COPY	MAP_PRIVATE
+# endif
 #endif
 
 /* Some systems link their relocatable objects for another base address
@@ -1181,7 +1183,7 @@ cannot allocate TLS data structures for initial thread");
 	/* Remember which part of the address space this object uses.  */
 	l->l_map_start = (ElfW(Addr)) __mmap ((void *) mappref, maplength,
 					      c->prot,
-					      MAP_COPY|MAP_FILE|MAP_DENYWRITE,
+					      MAP_COPY|MAP_FILE,
 					      fd, c->mapoff);
 	if (__builtin_expect ((void *) l->l_map_start == MAP_FAILED, 0))
 	  {
@@ -1229,7 +1231,7 @@ cannot allocate TLS data structures for initial thread");
 	    /* Map the segment contents from the file.  */
 	    && (__mmap ((void *) (l->l_addr + c->mapstart),
 			c->mapend - c->mapstart, c->prot,
-			MAP_FIXED|MAP_COPY|MAP_FILE|MAP_DENYWRITE,
+			MAP_FIXED|MAP_COPY|MAP_FILE,
 			fd, c->mapoff)
 		== MAP_FAILED))
 	  goto map_error;