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Make fishhook symbols hidden by default #29

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merged 1 commit into from
Aug 1, 2016
Merged

Make fishhook symbols hidden by default #29

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8 changes: 8 additions & 0 deletions fishhook.h
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,12 @@
#include <stddef.h>
#include <stdint.h>

#if !defined(FISHHOOK_EXPORT)
#define FISHHOOK_VISIBILITY __attribute__((visibility("hidden")))
#else
#define FISHHOOK_VISIBILITY __attribute__((visibility("default")))
#endif

#ifdef __cplusplus
extern "C" {
#endif //__cplusplus
Expand All @@ -49,12 +55,14 @@ struct rebinding {
* rebind are added to the existing list of rebindings, and if a given symbol
* is rebound more than once, the later rebinding will take precedence.
*/
FISHHOOK_VISIBILITY
int rebind_symbols(struct rebinding rebindings[], size_t rebindings_nel);

/*
* Rebinds as above, but only in the specified image. The header should point
* to the mach-o header, the slide should be the slide offset. Others as above.
*/
FISHHOOK_VISIBILITY
int rebind_symbols_image(void *header,
intptr_t slide,
struct rebinding rebindings[],
Expand Down