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Check function patcher data struct before patching a function

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This commit is contained in:
Maschell 2020-06-13 13:17:46 +02:00
parent cb8e963f71
commit 6c18efef54
1 changed files with 3 additions and 1 deletions
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4
source/function_patcher.cpp
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@ -35,10 +35,12 @@ void writeDataAndFlushIC(CThread *thread, void *arg) {
ICInvalidateRange((void *) (effective_address), 4); ICInvalidateRange((void *) (effective_address), 4);
} }
void FunctionPatcherPatchFunction(function_replacement_data_t *replacements, uint32_t size) { void FunctionPatcherPatchFunction(function_replacement_data_t *replacements, uint32_t size) {
for (uint32_t i = 0; i < size; i++) { for (uint32_t i = 0; i < size; i++) {
function_replacement_data_t *function_data = &replacements[i]; function_replacement_data_t *function_data = &replacements[i];
if (function_data->VERSION != FUNCTION_REPLACEMENT_DATA_STRUCT_VERSION) {
OSFatal("Failed to patch function. struct version mismatch");
}
/* Patch branches to it. */ /* Patch branches to it. */
volatile uint32_t *space = function_data->replace_data; volatile uint32_t *space = function_data->replace_data;