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d3573f61ac
glibc/sysdeps
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Adhemerval Zanella d3573f61ac Fix wordsize-32 mmap offset for negative value (BZ#18877) 
This patch fixes the default wordsize-32 mmap implementation offset
calculation for negative values.  Current code uses signed shift
operation to calculate the multiple size to use with syscall and
it is implementation defined.  Change it to use a division base
on mmap page size (default being as before, 4096).

Tested on armv7hf.

	[BZ #18877]
	* posix/Makefile (tests): Add tst-mmap-offset.
	* posix/tst-mmap.c: New file.
	* sysdeps/unix/sysv/linux/generic/wordsize-32/mmap.c (__mmap): Fix
	offset calculation for negative values.
2015-08-28 10:42:07 -03:00
..
aarch64 2015-08-24 Wilco Dijkstra <wdijkstr@arm.com> 2015-08-24 14:49:46 +01:00
alpha alpha: Update libm-test-ulps 2015-05-19 09:43:54 -07:00
arm Fix BZ #18084 -- backtrace (..., 0) dumps core on x86. 2015-08-15 11:42:43 -07:00
generic Adjust _Unwind_Word in unwind.h to version in libgcc. 2015-08-26 10:26:26 +02:00
gnu hurd: fix unwind-resume.c build 2015-02-08 18:46:00 +01:00
hppa hppa: start.S: rework references to fix PIE TEXTRELs [BZ #18421] 2015-08-18 02:37:17 -04:00
i386 Detect and select i586/i686 implementation at run-time 2015-08-27 09:06:44 -07:00
ia64 ia64: atomic.h: fix atomic_exchange_and_add 64bit handling 2015-07-28 02:30:15 -04:00
ieee754 Disable uninitialized warning with GCC 4.8 2015-08-26 16:10:43 -07:00
init_array NPTL: Initializer for .init_array-only configurations. 2015-02-13 13:19:11 -08:00
m68k Fix BZ #18084 -- backtrace (..., 0) dumps core on x86. 2015-08-15 11:42:43 -07:00
mach PLT avoidance for _exit in rtld. 2015-07-09 15:25:47 -07:00
microblaze Fix BZ #18084 -- backtrace (..., 0) dumps core on x86. 2015-08-15 11:42:43 -07:00
mips Fix MIPS -Wundef warnings for __mips_isa_rev. 2015-08-18 21:52:22 +00:00
nacl NaCl: Call __nacl_main in preference to main. 2015-08-25 13:37:07 -07:00
nios2 Fixes extern protected data handling testcases elf/tst-protected1a 2015-07-26 05:27:18 -07:00
nptl Add and use new glibc-internal futex API. 2015-07-10 13:47:09 +02:00
posix Fix BZ #18086 -- nice resets errno to 0. 2015-08-11 23:40:00 -07:00
powerpc powerpc: Sync hwcap.h with kernel 2015-08-26 14:55:40 -03:00
pthread Use unsigned types for counters in AIO code. 2015-06-24 17:43:32 -07:00
s390 S390: Fix build error with gcc6 in utf8_utf16-z9.c. 2015-08-26 10:26:26 +02:00
sh Replace ELF_RTYPE_CLASS_NOCOPY with ELF_RTYPE_CLASS_COPY 2015-03-05 08:40:41 -08:00
sparc Fix BZ #18084 -- backtrace (..., 0) dumps core on x86. 2015-08-15 11:42:43 -07:00
tile tilepro: fix warnings in sysdeps/tile/tilepro/bits/atomic.h 2015-08-04 12:07:53 -04:00
unix Fix wordsize-32 mmap offset for negative value (BZ#18877) 2015-08-28 10:42:07 -03:00
wordsize-32 Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
wordsize-64 Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
x86 Detect and select i586/i686 implementation at run-time 2015-08-27 09:06:44 -07:00
x86_64 Don't disable SSE in x86-64 ld.so 2015-08-26 07:55:42 -07:00