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Merge pull request #3 from jam1garner/master

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Move imports to extern format, separate imports from main.c
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jugeeya 2019-03-26 19:38:40 -07:00 committed by GitHub
commit 9c8d6b93b3
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4 changed files with 45 additions and 34 deletions
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11
source/acmd_imports.h Normal file
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@ -0,0 +1,11 @@
#include <switch.h>
// app::sv::animcmd::EFFECT(lua_State* a1)
//__int64_t (*app_sv_animcmd_EFFECT)(__int64_t);
#define app_sv_animcmd_EFFECT _ZN3app10sv_animcmd6EFFECTEP9lua_State
extern uint64_t _ZN3app10sv_animcmd6EFFECTEP9lua_State(__int64_t unk1) LINKABLE;
// app::sv::animcmd::EFFECT_FOLLOW_FLIP_COLOR(lua_State* a1)
//__int64_t (*app_sv_animcmd_EFFECT_FOLLOW_FLIP_COLOR)(__int64_t);
#define app_sv_animcmd_EFFECT_FOLLOW_FLIP_COLOR _ZN3app10sv_animcmd24EFFECT_FOLLOW_FLIP_COLOREP9lua_State
extern uint64_t _ZN3app10sv_animcmd24EFFECT_FOLLOW_FLIP_COLOREP9lua_State(__int64_t) LINKABLE;

31
source/l2c_imports.h Normal file
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@ -0,0 +1,31 @@
#include <switch.h>
// lib::L2CAgent::L2CAgent(L2CAgent*, lua_State *)
//__int64_t (*lib_L2CAgent)(__int64_t*, __int64_t);
#define lib_L2CAgent _ZN3lib8L2CAgentC2EP9lua_State
extern uint64_t _ZN3lib8L2CAgentC2EP9lua_State(__int64_t* unk1, __int64_t unk2) LINKABLE;
// L2CAgent *__fastcall lib::L2CAgent::push_lua_stack(L2CAgent *result, const lib::L2CValue *a2)
//__int64_t (*lib_L2CAgent_push_lua_stack)(__int64_t, const __int64_t*);
#define lib_L2CAgent_push_lua_stack _ZN3lib8L2CAgent14push_lua_stackERKNS_8L2CValueE
extern uint64_t _ZN3lib8L2CAgent14push_lua_stackERKNS_8L2CValueE(__int64_t unk1, const __int64_t* unk2) LINKABLE;
// pop_lua_stack
// Notes:
// Actually takes three arguments, but the third is given through X8 due to how
// AArch64 treats struct pointers that are used as pass by reference to get the value.
// Thus, my current solution is to use inline ASM before using this to pass the
// last arg. This is done using asm("mov x8, %x0" : : "r"(&popped) : "x8" );, where
// popped is an L2CValue that will be populated by the function.
// FURTHERMORE, this function does NOT actually pop the stack, it only returns the value at the
// position indicated by the second argument.
// This index is either positive, meaning absolute position in the stack, or negative,
// which is more traditional, i.e. -1 is the top of the stack.
//__int64_t (*lib_L2CAgent_pop_lua_stack)(__int64_t, int);
#define lib_L2CAgent_pop_lua_stack _ZN3lib8L2CAgent13pop_lua_stackEi
extern uint64_t _ZN3lib8L2CAgent13pop_lua_stackEi(__int64_t unk1, int unk2) LINKABLE;
// L2CAgent *__fastcall lib::L2CAgent::clear_lua_stack(L2CAgent *result)
// __int64_t (*lib_L2CAgent_clear_lua_stack)(__int64_t);
#define lib_L2CAgent_clear_lua_stack _ZN3lib8L2CAgent15clear_lua_stackEv
extern uint64_t _ZN3lib8L2CAgent15clear_lua_stackEv(__int64_t unk1) LINKABLE;

1
source/lua_helper.c
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@ -2,6 +2,7 @@
#include "saltysd_core.h"
#include "saltysd_ipc.h"
#include "saltysd_dynamic.h"
#include "acmd_imports.h"
__int64_t (*lib_L2CAgent_pop_lua_stack)(__int64_t, int) = NULL;

36
source/main.c
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@ -18,6 +18,8 @@
#include "l2c.h"
#include "saltysd_helper.h"
#include "l2c_imports.h"
#include "acmd_imports.h"
u64 ANCHOR_REL;
u64 ANCHOR_ABS;
@ -31,34 +33,6 @@ Handle orig_main_thread;
void* orig_ctx;
void* orig_saved_lr;
// lib::L2CAgent::L2CAgent(L2CAgent*, lua_State *)
__int64_t (*lib_L2CAgent)(__int64_t*, __int64_t);
// L2CAgent *__fastcall lib::L2CAgent::push_lua_stack(L2CAgent *result, const lib::L2CValue *a2)
__int64_t (*lib_L2CAgent_push_lua_stack)(__int64_t, const __int64_t*);
// pop_lua_stack
// Notes:
// Actually takes three arguments, but the third is given through X8 due to how
// AArch64 treats struct pointers that are used as pass by reference to get the value.
// Thus, my current solution is to use inline ASM before using this to pass the
// last arg. This is done using asm("mov x8, %x0" : : "r"(&popped) : "x8" );, where
// popped is an L2CValue that will be populated by the function.
// FURTHERMORE, this function does NOT actually pop the stack, it only returns the value at the
// position indicated by the second argument.
// This index is either positive, meaning absolute position in the stack, or negative,
// which is more traditional, i.e. -1 is the top of the stack.
__int64_t (*lib_L2CAgent_pop_lua_stack)(__int64_t, int);
// L2CAgent *__fastcall lib::L2CAgent::clear_lua_stack(L2CAgent *result)
__int64_t (*lib_L2CAgent_clear_lua_stack)(__int64_t);
// app::sv::animcmd::EFFECT(lua_State* a1)
__int64_t (*app_sv_animcmd_EFFECT)(__int64_t);
// app::sv::animcmd::EFFECT_FOLLOW_FLIP_COLOR(lua_State* a1)
__int64_t (*app_sv_animcmd_EFFECT_FOLLOW_FLIP_COLOR)(__int64_t);
// app::sv::animcmd::EFFECT_FOLLOW_COLOR(lua_State* a1)
__int64_t (*app_sv_animcmd_EFFECT_FOLLOW_COLOR)(__int64_t);
@ -210,12 +184,6 @@ int main(int argc, char *argv[])
ANCHOR_ABS = SaltySDCore_FindSymbol("_ZN3app10sv_animcmd6ATTACKEP9lua_State");
// Get necessary functions
lib_L2CAgent = (__int64_t (*)(__int64_t*, __int64_t))(SaltySDCore_FindSymbol("_ZN3lib8L2CAgentC2EP9lua_State"));
lib_L2CAgent_push_lua_stack = (__int64_t (*)(__int64_t, const __int64_t*))(SaltySDCore_FindSymbol("_ZN3lib8L2CAgent14push_lua_stackERKNS_8L2CValueE"));
lib_L2CAgent_pop_lua_stack = (__int64_t (*)(__int64_t, int))(SaltySDCore_FindSymbol("_ZN3lib8L2CAgent13pop_lua_stackEi"));
lib_L2CAgent_clear_lua_stack = (__int64_t (*)(__int64_t))(SaltySDCore_FindSymbol("_ZN3lib8L2CAgent15clear_lua_stackEv"));
app_sv_animcmd_EFFECT = (__int64_t (*)(__int64_t))(SaltySDCore_FindSymbol("_ZN3app10sv_animcmd6EFFECTEP9lua_State"));
app_sv_animcmd_EFFECT_FOLLOW_FLIP_COLOR = (__int64_t (*)(__int64_t))(SaltySDCore_FindSymbol("_ZN3app10sv_animcmd24EFFECT_FOLLOW_FLIP_COLOREP9lua_State"));
app_sv_animcmd_EFFECT_FOLLOW_COLOR = (__int64_t (*)(__int64_t))(IMPORT(0x7101955F10));
char* ver = "Ver. %d.%d.%d";