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Formatting, fix spelling, clean up

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This commit is contained in:
Maschell
2022-01-27 12:47:33 +01:00
parent 84afdb3179
commit 614f58ea8e
25 changed files with 13010 additions and 14975 deletions
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42
source/utils/ElfUtils.cpp
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@@ -5,8 +5,8 @@
#include "ElfUtils.h"
// See https://github.com/decaf-emu/decaf-emu/blob/43366a34e7b55ab9d19b2444aeb0ccd46ac77dea/src/libdecaf/src/cafe/loader/cafe_loader_reloc.cpp#L144
bool ElfUtils::elfLinkOne(char type, size_t offset, int32_t addend, uint32_t destination, uint32_t symbol_addr, relocation_trampolin_entry_t *trampolin_data, uint32_t trampolin_data_length,
RelocationType reloc_type, uint8_t trampolinId) {
bool ElfUtils::elfLinkOne(char type, size_t offset, int32_t addend, uint32_t destination, uint32_t symbol_addr, relocation_trampoline_entry_t *trampoline_data, uint32_t trampoline_data_length,
RelocationType reloc_type, uint8_t trampolineId) {
if (type == R_PPC_NONE) {
return true;
}
@@ -75,44 +75,44 @@ bool ElfUtils::elfLinkOne(char type, size_t offset, int32_t addend, uint32_t des
// }
auto distance = static_cast<int32_t>(value) - static_cast<int32_t>(target);
if (distance > 0x1FFFFFC || distance < -0x1FFFFFC) {
if (trampolin_data == nullptr) {
DEBUG_FUNCTION_LINE("***24-bit relative branch cannot hit target. Trampolin isn't provided");
if (trampoline_data == nullptr) {
DEBUG_FUNCTION_LINE("***24-bit relative branch cannot hit target. Trampoline isn't provided");
DEBUG_FUNCTION_LINE("***value %08X - target %08X = distance %08X", value, target, distance);
return false;
} else {
relocation_trampolin_entry_t *freeSlot = nullptr;
for (uint32_t i = 0; i < trampolin_data_length; i++) {
relocation_trampoline_entry_t *freeSlot = nullptr;
for (uint32_t i = 0; i < trampoline_data_length; i++) {
// We want to override "old" relocations of imports
// Pending relocations have the status RELOC_TRAMP_IMPORT_IN_PROGRESS.
// When all relocations are done successfully, they will be turned into RELOC_TRAMP_IMPORT_DONE
// so they can be overridden/updated/reused on the next application launch.
//
// Relocations that won't change will have the status RELOC_TRAMP_FIXED and are set to free when the module is unloaded.
if (trampolin_data[i].status == RELOC_TRAMP_FREE ||
trampolin_data[i].status == RELOC_TRAMP_IMPORT_DONE) {
freeSlot = &(trampolin_data[i]);
if (trampoline_data[i].status == RELOC_TRAMP_FREE ||
trampoline_data[i].status == RELOC_TRAMP_IMPORT_DONE) {
freeSlot = &(trampoline_data[i]);
break;
}
}
if (freeSlot == nullptr) {
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, target - (uint32_t) &(freeSlot->trampolin[0]));
DEBUG_FUNCTION_LINE("***24-bit relative branch cannot hit target. Trampoline data list is full");
DEBUG_FUNCTION_LINE("***value %08X - target %08X = distance %08X", value, target, target - (uint32_t) &(freeSlot->trampoline[0]));
return false;
}
if (target - (uint32_t) &(freeSlot->trampolin[0]) > 0x1FFFFFC) {
if (target - (uint32_t) &(freeSlot->trampoline[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, (target - (uint32_t) &(freeSlot->trampolin[0])));
DEBUG_FUNCTION_LINE("***value %08X - target %08X = distance %08X", value, target, (target - (uint32_t) &(freeSlot->trampoline[0])));
return false;
}
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
freeSlot->trampolin[3] = 0x4E800420; // bctr
DCFlushRange((void *) freeSlot->trampolin, sizeof(freeSlot->trampolin));
ICInvalidateRange((unsigned char *) freeSlot->trampolin, sizeof(freeSlot->trampolin));
freeSlot->trampoline[0] = 0x3D600000 | ((((uint32_t) value) >> 16) & 0x0000FFFF); // lis r11, real_addr@h
freeSlot->trampoline[1] = 0x616B0000 | (((uint32_t) value) & 0x0000ffff); // ori r11, r11, real_addr@l
freeSlot->trampoline[2] = 0x7D6903A6; // mtctr r11
freeSlot->trampoline[3] = 0x4E800420; // bctr
DCFlushRange((void *) freeSlot->trampoline, sizeof(freeSlot->trampoline));
ICInvalidateRange((unsigned char *) freeSlot->trampoline, sizeof(freeSlot->trampoline));
freeSlot->id = trampolinId;
freeSlot->id = trampolineId;
DCFlushRange((void *) &freeSlot->id, sizeof(freeSlot->id));
ICInvalidateRange((unsigned char *) &freeSlot->id, sizeof(freeSlot->id));
@@ -122,7 +122,7 @@ bool ElfUtils::elfLinkOne(char type, size_t offset, int32_t addend, uint32_t des
// Relocations for the imports may be overridden
freeSlot->status = RELOC_TRAMP_IMPORT_DONE;
}
uint32_t symbolValue = (uint32_t) &(freeSlot->trampolin[0]);
auto symbolValue = (uint32_t) &(freeSlot->trampoline[0]);
value = symbolValue + addend;
distance = static_cast<int32_t>(value) - static_cast<int32_t>(target);
}