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Add more IFUNC tests.
Mostly tests around not-exported IFUNC functions, IFUNC in statically linked binaries and PIEs, etc.
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H.J. Lu
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Ulrich Drepper
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Jun 22, 2009
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| /* Test STT_GNU_IFUNC symbols without -fPIC. */ | ||
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| #include "ifuncmod5.c" |
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| /* Test STT_GNU_IFUNC symbols with -fPIC. */ | ||
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| #include "ifuncmod5.c" |
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| /* Test STT_GNU_IFUNC symbols with PIE and no DSO. */ | ||
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| #include "ifuncmain1.c" |
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| /* Test STT_GNU_IFUNC symbols with dynamic function pointer only. */ | ||
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| #include <stdlib.h> | ||
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| int global = -1; | ||
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| extern int foo (void); | ||
| extern int foo_protected (void); | ||
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| typedef int (*foo_p) (void); | ||
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| foo_p | ||
| __attribute__ ((noinline)) | ||
| get_foo (void) | ||
| { | ||
| return foo; | ||
| } | ||
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| foo_p | ||
| __attribute__ ((noinline)) | ||
| get_foo_protected (void) | ||
| { | ||
| return foo_protected; | ||
| } | ||
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| int | ||
| main (void) | ||
| { | ||
| foo_p p; | ||
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| p = get_foo (); | ||
| if ((*p) () != -1) | ||
| abort (); | ||
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| p = get_foo_protected (); | ||
| if ((*p) () != 0) | ||
| abort (); | ||
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| return 0; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| /* Test STT_GNU_IFUNC symbols with -fPIC. */ | ||
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| #include "ifuncmain5.c" |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,3 @@ | ||
| /* Test STT_GNU_IFUNC symbols with -fPIC and -static. */ | ||
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| #include "ifuncmain5.c" |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,3 @@ | ||
| /* Test STT_GNU_IFUNC symbols with PIE. */ | ||
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| #include "ifuncmain5.c" |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,3 @@ | ||
| /* Test STT_GNU_IFUNC symbols with -static. */ | ||
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| #include "ifuncmain5.c" |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,3 @@ | ||
| /* Test STT_GNU_IFUNC symbols with -fPIC and no DSO. */ | ||
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| #include "ifuncmain5.c" |
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| @@ -0,0 +1,63 @@ | ||
| /* Test STT_GNU_IFUNC symbols in PIE: | ||
| 1. Direct function call. | ||
| 2. Function pointer. | ||
| 3. Reference from a shared library. | ||
| */ | ||
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| #include <stdlib.h> | ||
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| typedef int (*foo_p) (void); | ||
| extern foo_p foo_ptr; | ||
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| static int | ||
| one (void) | ||
| { | ||
| return -30; | ||
| } | ||
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| void * foo_ifunc (void) __asm__ ("foo"); | ||
| __asm__(".type foo, %gnu_indirect_function"); | ||
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| void * | ||
| foo_ifunc (void) | ||
| { | ||
| return one; | ||
| } | ||
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| extern int foo (void); | ||
| extern foo_p get_foo (void); | ||
| extern foo_p get_foo_p (void); | ||
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| foo_p my_foo_ptr = foo; | ||
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| int | ||
| main (void) | ||
| { | ||
| foo_p p; | ||
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| p = get_foo (); | ||
| if (p != foo) | ||
| abort (); | ||
| if ((*p) () != -30) | ||
| abort (); | ||
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| p = get_foo_p (); | ||
| if (p != foo) | ||
| abort (); | ||
| if ((*p) () != -30) | ||
| abort (); | ||
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| if (foo_ptr != foo) | ||
| abort (); | ||
| if (my_foo_ptr != foo) | ||
| abort (); | ||
| if ((*foo_ptr) () != -30) | ||
| abort (); | ||
| if ((*my_foo_ptr) () != -30) | ||
| abort (); | ||
| if (foo () != -30) | ||
| abort (); | ||
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| return 0; | ||
| } |
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