Mercurial > hg > nginx
annotate src/os/unix/ngx_sunpro_x86.il @ 6791:cb4a4e9bba8e
Perl: fixed optimization in SSI command handler.
As the pointer to the first argument was tested instead of the argument
itself, array of arguments was always created, even if there were no
arguments. Fix is to test args[0] instead of args.
Found by Coverity (CID 1356862).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 01 Nov 2016 20:39:21 +0300 |
parents | 2cd019520210 |
children |
rev | line source |
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561 | 1 / |
2 / Copyright (C) Igor Sysoev | |
4412 | 3 / Copyright (C) Nginx, Inc. |
561 | 4 / |
5 | |
6 / ngx_atomic_uint_t ngx_atomic_cmp_set(ngx_atomic_t *lock, | |
7 / ngx_atomic_uint_t old, ngx_atomic_uint_t set); | |
8 / | |
2818
7e02df612521
preserve Solaris binary hardware capabilities
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
9 / the arguments are passed on stack (%esp), 4(%esp), 8(%esp) |
561 | 10 |
11 .inline ngx_atomic_cmp_set,0 | |
12 movl (%esp), %ecx | |
13 movl 4(%esp), %eax | |
14 movl 8(%esp), %edx | |
15 lock | |
16 cmpxchgl %edx, (%ecx) | |
17 setz %al | |
18 movzbl %al, %eax | |
19 .end | |
20 | |
21 | |
22 / ngx_atomic_int_t ngx_atomic_fetch_add(ngx_atomic_t *value, | |
23 / ngx_atomic_int_t add); | |
24 / | |
2818
7e02df612521
preserve Solaris binary hardware capabilities
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
25 / the arguments are passed on stack (%esp), 4(%esp) |
561 | 26 |
27 .inline ngx_atomic_fetch_add,0 | |
28 movl (%esp), %ecx | |
29 movl 4(%esp), %eax | |
30 lock | |
31 xaddl %eax, (%ecx) | |
32 .end | |
1309 | 33 |
34 | |
35 / ngx_cpu_pause() | |
2818
7e02df612521
preserve Solaris binary hardware capabilities
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
36 / |
7e02df612521
preserve Solaris binary hardware capabilities
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
37 / the "rep; nop" is used instead of "pause" to avoid the "[ PAUSE ]" hardware |
7e02df612521
preserve Solaris binary hardware capabilities
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
38 / capability added by linker because Solaris/i386 does not know about it: |
7e02df612521
preserve Solaris binary hardware capabilities
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
39 / |
7e02df612521
preserve Solaris binary hardware capabilities
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
40 / ld.so.1: nginx: fatal: hardware capability unsupported: 0x2000 [ PAUSE ] |
1309 | 41 |
6474 | 42 .inline ngx_cpu_pause,0 |
43 rep; nop | |
44 .end |