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Mod function hooking (#124)

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* Add function hooks to mod symbol format

* Add function sizes to section function tables

* Add support for function hooks in live generator

* Add an option to the context to force function lookup for all non-relocated function calls

* Include relocs in overlay data

* Include R_MIPS_26 relocs in symbol file dumping/parsing

* Add manual patch symbols (syms.ld) to the output overlay file and relocs

* Fix which relocs were being emitted for patch sections

* Fix sign extension issue with mfc1, add TODO for banker's rounding
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Wiseguy 2025-01-26 21:52:46 -05:00 • committed by GitHub
parent 36b5d9ae33
commit 38df8e3ddc
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11 changed files with 269 additions and 41 deletions
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7
include/recompiler/live_recompiler.h
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@ -78,6 +78,11 @@ namespace N64Recomp {
void (*trigger_event)(uint8_t* rdram, recomp_context* ctx, uint32_t event_index);
int32_t *reference_section_addresses;
int32_t *local_section_addresses;
void (*run_hook)(uint8_t* rdram, recomp_context* ctx, size_t hook_table_index);
// Maps function index in recompiler context to function's entry hook slot.
std::unordered_map<size_t, size_t> entry_func_hooks;
// Maps function index in recompiler context to function's return hook slot.
std::unordered_map<size_t, size_t> return_func_hooks;
};
class LiveGenerator final : public Generator {
public:
@ -109,7 +114,7 @@ namespace N64Recomp {
void emit_case(int case_index, const std::string& target_label) const final;
void emit_switch_error(uint32_t instr_vram, uint32_t jtbl_vram) const final;
void emit_switch_close() const final;
void emit_return(const Context& context) const final;
void emit_return(const Context& context, size_t func_index) const final;
void emit_check_fr(int fpr) const final;
void emit_check_nan(int fpr, bool is_double) const final;
void emit_cop0_status_read(int reg) const final;