K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2017-12-31T02:48:16.370968Z
K 7
svn:log
V 899
MFC r321922:
    amd64: annotate the syscall return address check with __predict_false

    before:
       0xffffffff80b03ebb <+2059>:      mov    0x460(%r14),%rax
       0xffffffff80b03ec2 <+2066>:      mov    0x98(%rax),%rax
       0xffffffff80b03ec9 <+2073>:      shr    $0x2f,%rax
       0xffffffff80b03ecd <+2077>:      je     0xffffffff80b03edd <amd64_syscall+2093>
       0xffffffff80b03ecf <+2079>:      mov    0x3f8(%r14),%rax
       0xffffffff80b03ed6 <+2086>:      orl    $0x1,0xc8(%rax)
       0xffffffff80b03edd <+2093>:      add    $0xf8,%rsp

    after:
       0xffffffff80b03ebb <+2059>:      mov    0x460(%r14),%rax
       0xffffffff80b03ec2 <+2066>:      mov    0x98(%rax),%rax
       0xffffffff80b03ec9 <+2073>:      shr    $0x2f,%rax
       0xffffffff80b03ecd <+2077>:      jne    0xffffffff80b03eef <amd64_syscall+2111>
       0xffffffff80b03ecf <+2079>:      add    $0xf8,%rsp

END