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| author | Joseph Myers <joseph@codesourcery.com> | 2013-06-17 17:20:23 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2013-06-17 17:20:23 +0000 |
| commit | 3023a72eb83751a23b01b6cb996fb81fe3abbcb6 (patch) | |
| tree | 9dc05fe06ed6a8dd31c1809666bc0f568ea5fdab | |
| parent | 12086fb4835639d1762622d80980a7500799b63e (diff) | |
| download | glibc-3023a72eb83751a23b01b6cb996fb81fe3abbcb6.zip glibc-3023a72eb83751a23b01b6cb996fb81fe3abbcb6.tar.gz glibc-3023a72eb83751a23b01b6cb996fb81fe3abbcb6.tar.bz2 | |
Make ARM feenableexcept detect failure (bug 14907).
| -rw-r--r-- | NEWS | 18 | ||||
| -rw-r--r-- | ports/ChangeLog.arm | 6 | ||||
| -rw-r--r-- | ports/sysdeps/arm/feenablxcpt.c | 12 |
3 files changed, 27 insertions, 9 deletions
@@ -12,15 +12,15 @@ Version 2.18 2546, 2560, 5159, 6809, 10060, 10062, 10357, 10686, 11120, 11561, 12387, 12515, 12723, 13550, 13889, 13951, 13988, 14142, 14176, 14200, 14256, 14280, 14293, 14317, 14327, 14478, 14496, 14582, 14686, 14812, 14888, - 14894, 14908, 14909, 14920, 14952, 14964, 14981, 14982, 14985, 14991, - 14994, 14996, 15000, 15003, 15006, 15007, 15014, 15020, 15023, 15036, - 15054, 15055, 15062, 15078, 15084, 15085, 15086, 15100, 15160, 15214, - 15221, 15232, 15234, 15283, 15285, 15287, 15304, 15305, 15307, 15309, - 15327, 15330, 15335, 15336, 15337, 15339, 15342, 15346, 15359, 15361, - 15366, 15380, 15381, 15394, 15395, 15405, 15406, 15409, 15416, 15418, - 15419, 15423, 15424, 15426, 15429, 15431, 15432, 15441, 15442, 15448, - 15465, 15480, 15485, 15488, 15490, 15492, 15493, 15497, 15506, 15529, - 15536, 15553, 15577, 15583, 15618, 15627, 15631. + 14894, 14907, 14908, 14909, 14920, 14952, 14964, 14981, 14982, 14985, + 14991, 14994, 14996, 15000, 15003, 15006, 15007, 15014, 15020, 15023, + 15036, 15054, 15055, 15062, 15078, 15084, 15085, 15086, 15100, 15160, + 15214, 15221, 15232, 15234, 15283, 15285, 15287, 15304, 15305, 15307, + 15309, 15327, 15330, 15335, 15336, 15337, 15339, 15342, 15346, 15359, + 15361, 15366, 15380, 15381, 15394, 15395, 15405, 15406, 15409, 15416, + 15418, 15419, 15423, 15424, 15426, 15429, 15431, 15432, 15441, 15442, + 15448, 15465, 15480, 15485, 15488, 15490, 15492, 15493, 15497, 15506, + 15529, 15536, 15553, 15577, 15583, 15618, 15627, 15631. * CVE-2013-0242 Buffer overrun in regexp matcher has been fixed (Bugzilla #15078). diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm index 81792d2..00f3789 100644 --- a/ports/ChangeLog.arm +++ b/ports/ChangeLog.arm @@ -1,3 +1,9 @@ +2013-06-17 Joseph Myers <joseph@codesourcery.com> + + [BZ #14907] + * sysdeps/arm/feenablxcpt.c (feenableexcept): Test whether all + requested exception traps were enabled and return -1 if not. + 2013-06-15 Siddhesh Poyarekar <siddhesh@redhat.com> * sysdeps/unix/sysv/linux/arm/nptl/libpthread.abilist: Update. diff --git a/ports/sysdeps/arm/feenablxcpt.c b/ports/sysdeps/arm/feenablxcpt.c index baad432..e2e287b 100644 --- a/ports/sysdeps/arm/feenablxcpt.c +++ b/ports/sysdeps/arm/feenablxcpt.c @@ -39,6 +39,18 @@ feenableexcept (int excepts) _FPU_SETCW(new_exc); + if (excepts != 0) + { + /* VFPv3 and VFPv4 do not support trapping exceptions, so + test whether the relevant bits were set and fail if + not. */ + unsigned int temp; + _FPU_GETCW (temp); + if ((temp & (excepts << FE_EXCEPT_SHIFT)) + != (excepts << FE_EXCEPT_SHIFT)) + return -1; + } + return old_exc; } |