diff options
Diffstat (limited to 'lib/substitute.h')
| -rw-r--r-- | lib/substitute.h | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/lib/substitute.h b/lib/substitute.h index 181fb7c..4dbfc7c 100644 --- a/lib/substitute.h +++ b/lib/substitute.h @@ -34,10 +34,14 @@ enum { * patch region at the beginning */ SUBSTITUTE_ERR_FUNC_JUMPS_TO_START, - /* mmap or mprotect failure other than ENOMEM (preserved in errno on return - * from the substitute_* function). Most likely to come up with - * substitute_hook_functions, if the kernel is preventing pages from being - * marked executable. */ + /* out of memory */ + SUBSTITUTE_ERR_OOM, + + /* substitute_hook_functions: mmap or mprotect failure other than ENOMEM + * (preserved in errno on return) + * substitute_hook_objc_message: vm_remap failure + * Most likely to come up with substitute_hook_functions if the kernel is + * preventing pages from being marked executable. */ SUBSTITUTE_ERR_VM, /* substitute_interpose_imports: couldn't redo relocation for an import @@ -171,7 +175,7 @@ int substitute_interpose_imports(const struct substitute_image *handle, #endif /* 1 */ -#if defined(__APPLE__) && __BLOCKS__ +#if defined(__APPLE__) #include <objc/runtime.h> /* Hook a method implementation for a given Objective-C class. By itself, this * function is thread safe: it is simply a wrapper for the atomic Objective-C @@ -186,9 +190,8 @@ int substitute_interpose_imports(const struct substitute_image *handle, * @replacement the new implementation * @old_ptr optional - out pointer to the 'old implementation'. * If there is no old implementation, a custom IMP is - * returned that delegates to the superclass. This IMP is - * created with imp_implementationWithBlock, so it can be - * freed if desired with imp_removeBlock. + * returned that delegates to the superclass. This IMP can + * be freed if desired with imp_removeBlock. * @created_imp_ptr optional - out pointer to whether a fake superclass-call * IMP has been placed in <old_ptr> * @@ -197,6 +200,8 @@ int substitute_interpose_imports(const struct substitute_image *handle, */ int substitute_hook_objc_message(Class klass, SEL selector, IMP replacement, IMP *old_ptr, bool *created_imp_ptr); + +void substitute_free_created_imp(IMP imp); #endif #ifdef __cplusplus |