Konstantin Belousov 69ca61ba5e Only perform .bss mapping and cleaning operations when segment file size ... is not equal to its memory size. This eliminates unneeded clearing of the text segment that often happens due to text end not being page-aligned. For instance, $ readelf -l /lib/libedit.so.6 Program Headers: Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align LOAD 0x000000 0x00000000 0x00000000 0x139e1 0x139e1 R E 0x1000 LOAD 0x014000 0x00014000 0x00014000 0x00f04 0x00f14 RW 0x1000 DYNAMIC 0x014cc4 0x00014cc4 0x00014cc4 0x000d0 0x000d0 RW 0x4 $ procstat -v $$ (for /bin/sh) 68585 0x28097000 0x280aa000 r-x 6 0 21 14 CN vn /lib/libedit.so.6 68585 0x280aa000 0x280ab000 r-x 1 0 1 0 CN vn /lib/libedit.so.6 <== 68585 0x280ab000 0x280ac000 rwx 1 0 1 0 CN vn /lib/libedit.so.6 Note the splitted map entry marked by '<=='. Reviewed by: kan Approved by: re (kensmith) MFC after: 1 month		2009-07-17 19:32:04 +00:00
..
amd64	Now that the kernel defines CACHE_LINE_SIZE in machine/param.h, use	2009-04-19 23:02:50 +00:00
arm	Now that the kernel defines CACHE_LINE_SIZE in machine/param.h, use	2009-04-19 23:02:50 +00:00
i386	Now that the kernel defines CACHE_LINE_SIZE in machine/param.h, use	2009-04-19 23:02:50 +00:00
ia64	Now that the kernel defines CACHE_LINE_SIZE in machine/param.h, use	2009-04-19 23:02:50 +00:00
mips	Now that the kernel defines CACHE_LINE_SIZE in machine/param.h, use	2009-04-19 23:02:50 +00:00
powerpc	Now that the kernel defines CACHE_LINE_SIZE in machine/param.h, use	2009-04-19 23:02:50 +00:00
sparc64	Now that the kernel defines CACHE_LINE_SIZE in machine/param.h, use	2009-04-19 23:02:50 +00:00
debug.c	Fix warnings on 64 bit platforms.	2003-06-19 16:09:18 +00:00
debug.h	Use C99's varadic macro syntax instead of gcc's.	2006-03-28 18:26:47 +00:00
libmap.c	Fix a malloc overrun in 32-bit compat libmap lookup code.	2006-01-31 06:08:28 +00:00
libmap.h	Description from Dan:	2005-02-04 02:46:41 +00:00
Makefile	Second attempt at eliminating .text relocations in shared libraries	2009-07-14 21:19:13 +00:00
malloc.c	In preparation for a new malloc implementation:	2006-01-12 07:28:21 +00:00
map_object.c	Only perform .bss mapping and cleaning operations when segment file size	2009-07-17 19:32:04 +00:00
rtld_lock.c	Prefer <sys/param.h> to <machine/param.h> for the definition of	2009-04-20 10:35:50 +00:00
rtld_lock.h	Provide custom simple allocator for rtld locks in libthr. The allocator	2008-12-02 11:58:31 +00:00
rtld_tls.h	Add support for Thread Local Storage.	2004-08-03 08:51:00 +00:00
rtld.1	Document RTLD_NODELETE, -z nodelete and -z origin support.	2009-04-01 14:38:20 +00:00
rtld.c	Fix a typo in the same comment, one line below.	2009-06-23 14:12:49 +00:00
rtld.h	Allow order of initialization of loaded shared objects to be	2009-06-20 14:16:41 +00:00
Symbol.map	Allow the NULL, RTLD_SELF and RTLD_NEXT handles to work with dlfunc(3).	2009-04-03 19:17:23 +00:00
xmalloc.c	Add function prototypes.	2003-06-19 05:28:26 +00:00