Commit | Line | Data |
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7223e9ca ILT |
1 | /* Test STT_GNU_IFUNC symbols: |
2 | ||
3 | 1. Direct function call. | |
4 | 2. Function pointer. | |
5 | 3. Visibility. | |
6 | */ | |
7 | #include "ifunc-sel.h" | |
8 | ||
9 | int global __attribute__ ((visibility ("protected"))) = -1; | |
10 | ||
11 | static int | |
12 | one (void) | |
13 | { | |
14 | return 1; | |
15 | } | |
16 | ||
17 | static int | |
18 | minus_one (void) | |
19 | { | |
20 | return -1; | |
21 | } | |
22 | ||
23 | static int | |
24 | zero (void) | |
25 | { | |
26 | return 0; | |
27 | } | |
28 | ||
29 | void * foo_ifunc (void) __asm__ ("foo"); | |
30 | __asm__(".type foo, %gnu_indirect_function"); | |
31 | ||
32 | void * | |
33 | foo_ifunc (void) | |
34 | { | |
35 | return ifunc_sel (one, minus_one, zero); | |
36 | } | |
37 | ||
38 | void * foo_hidden_ifunc (void) __asm__ ("foo_hidden"); | |
39 | __asm__(".type foo_hidden, %gnu_indirect_function"); | |
40 | ||
41 | void * | |
42 | foo_hidden_ifunc (void) | |
43 | { | |
44 | return ifunc_sel (minus_one, one, zero); | |
45 | } | |
46 | ||
47 | void * foo_protected_ifunc (void) __asm__ ("foo_protected"); | |
48 | __asm__(".type foo_protected, %gnu_indirect_function"); | |
49 | ||
50 | void * | |
51 | foo_protected_ifunc (void) | |
52 | { | |
53 | return ifunc_sel (one, zero, minus_one); | |
54 | } | |
55 | ||
56 | /* Test hidden indirect function. */ | |
57 | __asm__(".hidden foo_hidden"); | |
58 | ||
59 | /* Test protected indirect function. */ | |
60 | __asm__(".protected foo_protected"); | |
61 | ||
62 | extern int foo (void); | |
63 | extern int foo_hidden (void); | |
64 | extern int foo_protected (void); | |
65 | extern int ret_foo; | |
66 | extern int ret_foo_hidden; | |
67 | extern int ret_foo_protected; | |
68 | ||
69 | #define FOO_P | |
70 | typedef int (*foo_p) (void); | |
71 | ||
72 | extern foo_p get_foo_p (void); | |
73 | extern foo_p get_foo_hidden_p (void); | |
74 | extern foo_p get_foo_protected_p (void); | |
75 | ||
76 | foo_p | |
77 | get_foo_p (void) | |
78 | { | |
79 | ret_foo = foo (); | |
80 | return foo; | |
81 | } | |
82 | ||
83 | foo_p | |
84 | get_foo_hidden_p (void) | |
85 | { | |
86 | ret_foo_hidden = foo_hidden (); | |
87 | return foo_hidden; | |
88 | } | |
89 | ||
90 | foo_p | |
91 | get_foo_protected_p (void) | |
92 | { | |
93 | ret_foo_protected = foo_protected (); | |
94 | return foo_protected; | |
95 | } |