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| author | Corinna Vinschen <corinna@vinschen.de> | 2015-11-28 11:10:41 +0100 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2015-11-28 11:10:41 +0100 |
| commit | bfe23aa4373141e9f2c57f06438ab97142f60083 (patch) | |
| tree | 789ae3eecfe7f97bbbf8258cae0928b2050beb2d | |
| parent | a4d1cb105366a0fc697d8b682229ca65b7cffeed (diff) | |
| download | cygnal-bfe23aa4373141e9f2c57f06438ab97142f60083.tar.gz cygnal-bfe23aa4373141e9f2c57f06438ab97142f60083.tar.bz2 cygnal-bfe23aa4373141e9f2c57f06438ab97142f60083.zip | |
Save and restore MXCSR register in delayed signal handling
* gendef (sigdelayed): Save and restore content of the MXCSR register
on x86_64.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
| -rw-r--r-- | winsup/cygwin/ChangeLog | 5 | ||||
| -rwxr-xr-x | winsup/cygwin/gendef | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 474bbc875..8bffa819e 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,8 @@ +2015-11-28 Corinna Vinschen <corinna@vinschen.de> + + * gendef (sigdelayed): Save and restore content of the MXCSR register + on x86_64. + 2015-11-27 Corinna Vinschen <corinna@vinschen.de> * cygtls.h (_cygtls::wait_signal_arrived): Renamed from diff --git a/winsup/cygwin/gendef b/winsup/cygwin/gendef index 986827773..9d6f1b40b 100755 --- a/winsup/cygwin/gendef +++ b/winsup/cygwin/gendef @@ -229,6 +229,7 @@ sigdelayed: .seh_pushreg %rax subq \$0x128,%rsp .seh_stackalloc 0x128 + stmxcsr 0x124(%rsp) fnstcw 0x120(%rsp) movdqa %xmm15,0x110(%rsp) movdqa %xmm14,0x100(%rsp) @@ -290,6 +291,7 @@ sigdelayed: movdqa 0x110(%rsp),%xmm15 fninit fldcw 0x120(%rsp) + ldmxcsr 0x124(%rsp) addq \$0x128,%rsp popq %rax popq %rbx |