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Add hooks for new reMarkable functions and improve build script

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√(noham)²
2025-12-02 22:52:47 +01:00
parent e8f204057e
commit 0bdda7bdf7
2 changed files with 114 additions and 19 deletions
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99
src/reMarkable/reMarkable.m
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@@ -254,6 +254,12 @@ static ssize_t (*original_qIODevice_write)(
const char *data,
qint64 maxSize) = NULL;
// Hook for function at 0x10015A130
static int64_t (*original_function_at_0x10015A130)(int64_t a1, int64_t a2) = NULL;
// Hook for function at 0x10015BC90
static void (*original_function_at_0x10015BC90)(int64_t a1, int64_t a2) = NULL;
// Hook for function at 0x10016D520
static int64_t (*original_function_at_0x10016D520)(int64_t a1, int64_t *a2, unsigned int a3, int64_t a4) = NULL;
@@ -356,26 +362,47 @@ static inline bool shouldPatchURL(const QString &host) {
#endif
#ifdef BUILD_MODE_DEV
// // Hook function at address 0x1????
// [MemoryUtils hookAddress:@"reMarkable"
// staticAddress:0x????
// hookFunction:(void *)hooked_function_at_0x????
// originalFunction:(void **)&original_function_at_0x????
// logPrefix:@"[reMarkable]"];
NSLogger(@"[reMarkable] Build mode: dev/reverse engineering");
[MemoryUtils hookSymbol:@"QtCore"
symbolName:@"__ZN9QIODevice5writeEPKcx"
hookFunction:(void *)hooked_qIODevice_write
originalFunction:(void **)&original_qIODevice_write
logPrefix:@"[reMarkable]"];
// [MemoryUtils hookSymbol:@"QtCore"
// symbolName:@"__ZN9QIODevice5writeEPKcx"
// hookFunction:(void *)hooked_qIODevice_write
// originalFunction:(void **)&original_qIODevice_write
// logPrefix:@"[reMarkable]"];
// Hook function at address 0x10016D520
[MemoryUtils hookAddress:@"reMarkable"
staticAddress:0x10016D520
hookFunction:(void *)hooked_function_at_0x10016D520
originalFunction:(void **)&original_function_at_0x10016D520
logPrefix:@"[reMarkable]"];
// // Hook function at address 0x10015A130
// [MemoryUtils hookAddress:@"reMarkable"
// staticAddress:0x10015A130
// hookFunction:(void *)hooked_function_at_0x10015A130
// originalFunction:(void **)&original_function_at_0x10015A130
// logPrefix:@"[reMarkable]"];
// Hook function at address 0x1001B6EE0
[MemoryUtils hookAddress:@"reMarkable"
staticAddress:0x1001B6EE0
hookFunction:(void *)hooked_function_at_0x1001B6EE0
originalFunction:(void **)&original_function_at_0x1001B6EE0
logPrefix:@"[reMarkable]"];
// // Hook function at address 0x10015BC90
// [MemoryUtils hookAddress:@"reMarkable"
// staticAddress:0x10015BC90
// hookFunction:(void *)hooked_function_at_0x10015BC90
// originalFunction:(void **)&original_function_at_0x10015BC90
// logPrefix:@"[reMarkable]"];
// // Hook function at address 0x10016D520
// [MemoryUtils hookAddress:@"reMarkable"
// staticAddress:0x10016D520
// hookFunction:(void *)hooked_function_at_0x10016D520
// originalFunction:(void **)&original_function_at_0x10016D520
// logPrefix:@"[reMarkable]"];
// // Hook function at address 0x1001B6EE0
// [MemoryUtils hookAddress:@"reMarkable"
// staticAddress:0x1001B6EE0
// hookFunction:(void *)hooked_function_at_0x1001B6EE0
// originalFunction:(void **)&original_function_at_0x1001B6EE0
// logPrefix:@"[reMarkable]"];
#endif
return YES;
@@ -437,6 +464,9 @@ extern "C" void hooked_qWebSocket_open(
#endif // BUILD_MODE_RMFAKECLOUD
#ifdef BUILD_MODE_QMLDIFF
// See https://deepwiki.com/search/once-the-qrr-file-parsed-take_871f24a0-8636-4aee-bddf-7405b6e32584 for details on qmldiff replacement strategy
extern "C" int hooked_qRegisterResourceData(
int version,
const unsigned char *tree,
@@ -501,6 +531,41 @@ extern "C" ssize_t hooked_qIODevice_write(
return 0;
}
extern "C" int64_t hooked_function_at_0x10015A130(int64_t a1, int64_t a2) {
NSLogger(@"[reMarkable] Hook at 0x10015A130 called!");
NSLogger(@"[reMarkable] a1 = 0x%llx", (unsigned long long)a1);
NSLogger(@"[reMarkable] a2 = 0x%llx", (unsigned long long)a2);
logMemory("Memory at a1", (void *)a1, 64);
logMemory("Memory at a2", (void *)a2, 64);
if (original_function_at_0x10015A130) {
int64_t result = original_function_at_0x10015A130(a1, a2);
NSLogger(@"[reMarkable] result = 0x%llx", (unsigned long long)result);
return result;
}
NSLogger(@"[reMarkable] WARNING: Original function at 0x10015A130 not available, returning 0");
return 0;
}
extern "C" void hooked_function_at_0x10015BC90(int64_t a1, int64_t a2) {
NSLogger(@"[reMarkable] Hook at 0x10015BC90 called!");
NSLogger(@"[reMarkable] a1 = 0x%llx", (unsigned long long)a1);
NSLogger(@"[reMarkable] a2 = 0x%llx", (unsigned long long)a2);
logMemory("Memory at a1", (void *)a1, 64);
logMemory("Memory at a2", (void *)a2, 64);
if (original_function_at_0x10015BC90) {
original_function_at_0x10015BC90(a1, a2);
NSLogger(@"[reMarkable] original function returned (void)");
return;
}
NSLogger(@"[reMarkable] WARNING: Original function at 0x10015BC90 not available");
}
extern "C" int64_t hooked_function_at_0x10016D520(int64_t a1, int64_t *a2, unsigned int a3, int64_t a4) {
NSLogger(@"[reMarkable] Hook at 0x10016D520 called!");
NSLogger(@"[reMarkable] a1 = 0x%llx", (unsigned long long)a1);