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Maschell 2020-06-06 22:20:11 +02:00
commit c4d6f5961b
6 changed files with 319 additions and 0 deletions

8
.gitignore vendored Normal file
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/*.a
/build
*.bz2
release/
lib/
CMakeLists.txt
.idea/
cmake-build-debug/

163
Makefile Normal file
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#-------------------------------------------------------------------------------
.SUFFIXES:
#-------------------------------------------------------------------------------
ifeq ($(strip $(DEVKITPRO)),)
$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>/devkitpro")
endif
TOPDIR ?= $(CURDIR)
include $(DEVKITPRO)/wut/share/wut_rules
export VER_MAJOR := 1
export VER_MINOR := 0
export VER_PATCH := 0
VERSION := $(VER_MAJOR).$(VER_MINOR).$(VER_PATCH)
#-------------------------------------------------------------------------------
# TARGET is the name of the output
# BUILD is the directory where object files & intermediate files will be placed
# SOURCES is a list of directories containing source code
# DATA is a list of directories containing data files
# INCLUDES is a list of directories containing header files
#-------------------------------------------------------------------------------
TARGET := $(notdir $(CURDIR))
BUILD := build
SOURCES := source
DATA := data
INCLUDES := source \
include \
#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
CFLAGS := -Wall -Werror -save-temps \
-ffunction-sections -fdata-sections \
$(MACHDEP) \
$(BUILD_CFLAGS)
CFLAGS += $(INCLUDE) -D__WIIU__
CXXFLAGS := $(CFLAGS) -std=gnu++17
ASFLAGS := $(MACHDEP)
LDFLAGS = $(ARCH) -Wl,--gc-sections
LIBS :=
#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS := $(PORTLIBS) $(WUT_ROOT)
#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------
export TOPDIR := $(CURDIR)
export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
$(foreach dir,$(DATA),$(CURDIR)/$(dir))
CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
DEFFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.def)))
BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
#---------------------------------------------------------------------------------
export LD := $(CC)
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
export LD := $(CXX)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------
export OFILES_BIN := $(addsuffix .o,$(BINFILES))
export OFILES_SRC := $(DEFFILES:.def=.o) $(SFILES:.s=.o) $(CFILES:.c=.o) $(CPPFILES:.cpp=.o)
export OFILES := $(OFILES_BIN) $(OFILES_SRC)
export HFILES := $(addsuffix .h,$(subst .,_,$(BINFILES)))
export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
-I.
.PHONY: all dist-bin dist-src dist install clean
#---------------------------------------------------------------------------------
all: lib/libfunctionpatcher.a
dist-bin: all
@tar --exclude=*~ -cjf libfunctionpatcher-$(VERSION).tar.bz2 include lib
dist-src:
@tar --exclude=*~ -cjf libfunctionpatcher-src-$(VERSION).tar.bz2 include source Makefile
dist: dist-src dist-bin
install: dist-bin
mkdir -p $(DESTDIR)$(DEVKITPRO)/wums
bzip2 -cd libfunctionpatcher-$(VERSION).tar.bz2 | tar -xf - -C $(DESTDIR)$(DEVKITPRO)/wums
lib:
@[ -d $@ ] || mkdir -p $@
release:
@[ -d $@ ] || mkdir -p $@
lib/libfunctionpatcher.a :$(SOURCES) $(INCLUDES) | lib release
@$(MAKE) BUILD=release OUTPUT=$(CURDIR)/$@ \
BUILD_CFLAGS="-DNDEBUG=1 -O2 -s" \
DEPSDIR=$(CURDIR)/release \
--no-print-directory -C release \
-f $(CURDIR)/Makefile
#---------------------------------------------------------------------------------
clean:
@echo clean ...
@rm -rf release lib
#---------------------------------------------------------------------------------
else
DEPENDS := $(OFILES:.o=.d)
#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT) : $(OFILES)
$(OFILES_SRC) : $(HFILES)
#---------------------------------------------------------------------------------
%.o: %.def
$(SILENTMSG) $(notdir $<)
$(SILENTCMD)rplimportgen $< $*.s --forceSingleSection $(ERROR_FILTER)
$(SILENTCMD)$(CC) -x assembler-with-cpp $(ASFLAGS) -c $*.s -o $@ $(ERROR_FILTER)
#---------------------------------------------------------------------------------
%_bin.h %.bin.o : %.bin
#---------------------------------------------------------------------------------
@echo $(notdir $<)
@$(bin2o)
-include $(DEPENDS)
#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------

3
README.md Normal file
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Requires the [FunctionPatcherModule](https://github.com/Maschell/FunctionPatcherModule) to be running via [SetupPayload](https://github.com/wiiu-env/SetupPayload).
Requires [wut](https://github.com/decaf-emu/wut) for building.
Install via `make install`.

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#pragma once
#include <stdint.h>
typedef enum function_replacement_library_type_t {
LIBRARY_AVM,
LIBRARY_CAMERA,
LIBRARY_COREINIT,
LIBRARY_DC,
LIBRARY_DMAE,
LIBRARY_DRMAPP,
LIBRARY_ERREULA,
LIBRARY_GX2,
LIBRARY_H264,
LIBRARY_LZMA920,
LIBRARY_MIC,
LIBRARY_NFC,
LIBRARY_NIO_PROF,
LIBRARY_NLIBCURL,
LIBRARY_NLIBNSS,
LIBRARY_NLIBNSS2,
LIBRARY_NN_AC,
LIBRARY_NN_ACP,
LIBRARY_NN_ACT,
LIBRARY_NN_AOC,
LIBRARY_NN_BOSS,
LIBRARY_NN_CCR,
LIBRARY_NN_CMPT,
LIBRARY_NN_DLP,
LIBRARY_NN_EC,
LIBRARY_NN_FP,
LIBRARY_NN_HAI,
LIBRARY_NN_HPAD,
LIBRARY_NN_IDBE,
LIBRARY_NN_NDM,
LIBRARY_NN_NETS2,
LIBRARY_NN_NFP,
LIBRARY_NN_NIM,
LIBRARY_NN_OLV,
LIBRARY_NN_PDM,
LIBRARY_NN_SAVE,
LIBRARY_NN_SL,
LIBRARY_NN_SPM,
LIBRARY_NN_TEMP,
LIBRARY_NN_UDS,
LIBRARY_NN_VCTL,
LIBRARY_NSYSCCR,
LIBRARY_NSYSHID,
LIBRARY_NSYSKBD,
LIBRARY_NSYSNET,
LIBRARY_NSYSUHS,
LIBRARY_NSYSUVD,
LIBRARY_NTAG,
LIBRARY_PADSCORE,
LIBRARY_PROC_UI,
LIBRARY_SND_CORE,
LIBRARY_SND_USER,
LIBRARY_SNDCORE2,
LIBRARY_SNDUSER2,
LIBRARY_SWKBD,
LIBRARY_SYSAPP,
LIBRARY_TCL,
LIBRARY_TVE,
LIBRARY_UAC,
LIBRARY_UAC_RPL,
LIBRARY_USB_MIC,
LIBRARY_UVC,
LIBRARY_UVD,
LIBRARY_VPAD,
LIBRARY_VPADBASE,
LIBRARY_ZLIB125,
LIBRARY_OTHER,
} function_replacement_library_type_t;
#define MAXIMUM_FUNCTION_NAME_LENGTH 100
#define FUNCTION_PATCHER_METHOD_STORE_SIZE 20
#define STATIC_FUNCTION 0
#define DYNAMIC_FUNCTION 1
typedef struct function_replacement_data_t {
uint32_t physicalAddr; /* [needs to be filled] */
uint32_t virtualAddr; /* [needs to be filled] */
uint32_t replaceAddr; /* [needs to be filled] Address of our replacement function */
uint32_t replaceCall; /* [needs to be filled] Address to access the real_function */
function_replacement_library_type_t library; /* [needs to be filled] rpl where the function we want to replace is. */
char function_name[MAXIMUM_FUNCTION_NAME_LENGTH]; /* [needs to be filled] name of the function we want to replace */
uint32_t realAddr; /* [will be filled] Address of the real function we want to replace. */
volatile uint32_t replace_data [FUNCTION_PATCHER_METHOD_STORE_SIZE]; /* [will be filled] Space for us to store some jump instructions */
uint32_t restoreInstruction; /* [will be filled] Copy of the instruction we replaced to jump to our code. */
uint8_t functionType; /* [will be filled] */
uint8_t alreadyPatched; /* [will be filled] */
} function_replacement_data_t;
#define REPLACE_FUNCTION(x, lib, function_name) \
{ \
0, \
0, \
(uint32_t) my_ ## x, \
(uint32_t) &real_ ## x, \
lib, \
# function_name, \
0, \
{}, \
0, \
STATIC_FUNCTION, \
0 \
}
#define REPLACE_FUNCTION_VIA_ADDRESS(x, physicalAddress, effectiveAddress) \
{ \
physicalAddress, \
effectiveAddress, \
(uint32_t) my_ ## x, \
(uint32_t) &real_ ## x, \
LIBRARY_OTHER, \
# x, \
0, \
{}, \
0, \
STATIC_FUNCTION, \
0 \
}
#define DECL_FUNCTION(res, name, ...) \
res (* real_ ## name)(__VA_ARGS__) __attribute__((section(".data"))); \
res my_ ## name(__VA_ARGS__)

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#pragma once
#include <stdint.h>
#include "fpatching_defines.h"
#ifdef __cplusplus
extern "C" {
#endif
extern void FunctionPatcherPatchFunction(function_replacement_data_t *replacements, uint32_t size);
#ifdef __cplusplus
}
#endif

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source/patching.def Normal file
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:NAME homebrew_functionpatcher
:TEXT
FunctionPatcherPatchFunction