saulteafarmer/XenonRecomp
1
0
Fork 0
mirror of https://github.com/hedge-dev/XenonRecomp.git synced 2025-06-06 18:31:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

Swap between instructions in absoluteSwitch for tag 2 pattern

Browse Source
This commit is contained in:
Dennis Stanistan 2025-03-04 02:47:49 +02:00 committed by GitHub
parent da9d2e950a
commit c7d9e1e1b2
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 14 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
XenonAnalyse/main.cpp
View File

@ -26,11 +26,11 @@ void ReadTable(Image& image, SwitchTable& table)
uint32_t pOffset; uint32_t pOffset;
ppc_insn insn; ppc_insn insn;
auto* code = (uint32_t*)image.Find(table.base); auto* code = (uint32_t*)image.Find(table.base);
ppc::Disassemble(code, table.base, insn); ppc::Disassemble(code, table.base, insn); // lis
pOffset = insn.operands[1] << 16; pOffset = insn.operands[1] << 16; // Upper 16 bits
ppc::Disassemble(code + 1, table.base + 4, insn); ppc::Disassemble(code + 2, table.base + 8, insn); // addi (skip rlwinm at +4)
pOffset += insn.operands[2]; pOffset += insn.operands[2]; // Lower 16 bits
if (table.type == SWITCH_ABSOLUTE) if (table.type == SWITCH_ABSOLUTE)
{ {
@ -250,15 +250,16 @@ int main(int argc, char** argv)
} }
}; };
uint32_t absoluteSwitch[] = // adjusted for tag 2
{ uint32_t absoluteSwitch[] =
PPC_INST_LIS, {
PPC_INST_ADDI, PPC_INST_LIS,
PPC_INST_RLWINM, PPC_INST_RLWINM, // (slwi alias)
PPC_INST_LWZX, PPC_INST_ADDI,
PPC_INST_MTCTR, PPC_INST_LWZX,
PPC_INST_BCTR, PPC_INST_MTCTR,
}; PPC_INST_BCTR
};
uint32_t computedSwitch[] = uint32_t computedSwitch[] =
{ {