Leahnaya/WiiUPluginLoaderBackend
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Try to allocate memory for the plugins via the memory mapping module

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Maschell
2021-04-01 00:37:22 +02:00
parent f11649bc36
commit b48a53b63d
7 changed files with 95 additions and 42 deletions
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11
source/utils/ElfUtils.cpp
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@@ -96,19 +96,17 @@ bool ElfUtils::elfLinkOne(char type, size_t offset, int32_t addend, uint32_t des
break;
}
}
if (freeSlot != NULL) {
if (freeSlot == NULL) {
DEBUG_FUNCTION_LINE("***24-bit relative branch cannot hit target. Trampolin data list is full");
DEBUG_FUNCTION_LINE("***value %08X - target %08X = distance %08X", value, target, distance);
DEBUG_FUNCTION_LINE("***value %08X - target %08X = distance %08X", value, target, target - (uint32_t) &(freeSlot->trampolin[0]));
return false;
}
if (target - (uint32_t) &(freeSlot->trampolin[0]) > 0x1FFFFFC) {
DEBUG_FUNCTION_LINE("**Cannot link 24-bit jump (too far to tramp buffer).");
DEBUG_FUNCTION_LINE("***value %08X - target %08X = distance %08X", value, target, distance);
DEBUG_FUNCTION_LINE("***value %08X - target %08X = distance %08X", value, target, (target - (uint32_t) &(freeSlot->trampolin[0])));
return false;
}
DEBUG_FUNCTION_LINE("freeSlot = %08X", freeSlot);
freeSlot->trampolin[0] = 0x3D600000 | ((((uint32_t) value) >> 16) & 0x0000FFFF); // lis r11, real_addr@h
freeSlot->trampolin[1] = 0x616B0000 | (((uint32_t) value) & 0x0000ffff); // ori r11, r11, real_addr@l
freeSlot->trampolin[2] = 0x7D6903A6; // mtctr r11
@@ -124,12 +122,11 @@ bool ElfUtils::elfLinkOne(char type, size_t offset, int32_t addend, uint32_t des
freeSlot->status = RELOC_TRAMP_FIXED;
} else {
// Relocations for the imports may be overridden
freeSlot->status = RELOC_TRAMP_IMPORT_IN_PROGRESS;
freeSlot->status = RELOC_TRAMP_IMPORT_DONE;
}
uint32_t symbolValue = (uint32_t) &(freeSlot->trampolin[0]);
value = symbolValue + addend;
distance = static_cast<int32_t>(value) - static_cast<int32_t>(target);
DEBUG_FUNCTION_LINE("Created tramp");
}
}