Garhoogin/RuntimeCodeModules
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Allow using hook.h in assembly source files

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Garhoogin 2023-05-06 21:35:16 -05:00
parent a608559cbf
commit c4b8d7d8b5
2 changed files with 36 additions and 5 deletions
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39
include/hook.h
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@ -1,10 +1,15 @@
#pragma once
#ifndef __ASSEMBLER__
#ifdef SDK_ARM9
# include <nitro.h>
#else
# include <nds.h>
#endif
#include <nitro.h>
#else //SDK_ARM9
#include <nds.h>
#endif //SDK_ARM9
#endif //__ASSEMBLER__
#define R_ARM_ABS32 2
#define R_ARM_CALL 28
@ -30,6 +35,8 @@
#define AUX_SHIFT 31
#define AUX_MASK 0x80000000
#ifndef __ASSEMBLER__
typedef struct HOOK_TABLE_ENTRY_ {
u32 branchSrcAddr : 28; //memory location of patch source
u32 type : 3; //type of patch
@ -80,6 +87,21 @@ typedef void (*RCM_UNLOAD_CALLBACK) (u32 imageBase);
#define HOOK_TREPL(addr,dest) ((void *) ((HOOK_TYPE_TREPL << HOOK_SHIFT) + (u32) (addr))), (void *) dest
#define HOOK_TNSUB(addr,dest) HOOK_DATA16(addr, 0xB500), HOOK_TREPL(((u32) (addr)) + 2, dest), HOOK_DATA16(((u32) (addr)) + 6, 0xBD00)
#else //__ASSEMBLER__
#define HOOK_DATA8(addr,b) ((HOOK_TYPE_DATA8 << HOOK_SHIFT) + addr), b
#define HOOK_DATA16(addr,hw) ((HOOK_TYPE_DATA16 << HOOK_SHIFT) + addr), hw
#define HOOK_DATA32(addr,w) ((HOOK_TYPE_DATA32 << HOOK_SHIFT) + addr), w
#define HOOK_LOAD(dest) ((HOOK_TYPE_LOAD << HOOK_SHIFT)), dest
#define HOOK_UNLOAD(dest) ((HOOK_TYPE_UNLOAD << HOOK_SHIFT)), dest
#define HOOK_AREPL(addr,dest) ((HOOK_TYPE_AREPL << HOOK_SHIFT) + addr), dest
#define HOOK_ANSUB(addr,dest) ((HOOK_TYPE_ANSUB << HOOK_SHIFT) + addr), dest
#define HOOK_TREPL(addr,dest) ((HOOK_TYPE_TREPL << HOOK_SHIFT) + addr), dest
#define HOOK_TNSUB(addr,dest) HOOK_DATA16(addr, 0xB500), HOOK_TREPL((addr) + 2, dest), HOOK_DATA16((addr) + 6, 0xBD00)
#endif //__ASSEMBLER__
//NCP-like synonyms
#define HOOK_JUMP_AA HOOK_ANSUB
#define HOOK_JUMP_TA HOOK_TNSUB
@ -91,4 +113,13 @@ typedef void (*RCM_UNLOAD_CALLBACK) (u32 imageBase);
#define HOOK_SET16 HOOK_DATA16
#define HOOK_SET32 HOOK_DATA32
#ifndef __ASSEMBLER__
#define HOOK_TABLE(...) static volatile void *__attribute__((section(".ftbl"))) __attribute__((__used__)) __ftbl[] = {__VA_ARGS__}
#else //__ASSEMBLER__
#define HOOK_TABLE(...) .section .ftbl ; .word __VA_ARGS__ ; .section .text
#endif //__ASSEMBLER__

2
rcm_sample/Makefile
View File

@ -75,7 +75,7 @@ CFLAGS := -g -Wall -Os\
CFLAGS += $(INCLUDE)
CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions
ASFLAGS := -g $(ARCH)
ASFLAGS := -g $(ARCH) $(INCLUDE)
LDFLAGS = -r -T $(CURDIR)/../../symbols.x -T $(CURDIR)/../linker.x -g $(ARCH) -Map newcode.map
#---------------------------------------------------------------------------------