Split rom.ld into smaller files and add a sector linker

Makefile

@@ -12,7 +12,7 @@ OBJ_FILES ?= $(SRC_FILES:src/%.c=build/src/%.o)
 CFLAGS = -Iinclude -mlong-calls -Wall -Wextra -mthumb -mno-thumb-interwork -fno-inline -fno-builtin -std=gnu11 -mabi=apcs-gnu -mcpu=arm7tdmi -march=armv4t -mtune=arm7tdmi -x c -c -MMD -g -mthumb-interwork -Wimplicit -Wparentheses -Wno-unused -Werror -fno-toplevel-reorder -fno-aggressive-loop-optimizations -Wno-pointer-to-int-cast -Wno-stringop-overflow $(EXTRA_CFLAGS)
 
 LD = $(PREFIX)ld
-LDFLAGS = --relocatable -T rom.ld $(EXTRA_LDFLAGS)
+LDFLAGS = -i rom.ld -T linker.ld $(EXTRA_LDFLAGS)
 
 ARMIPS := armips
 
@@ -28,13 +28,15 @@ test.gba: snakewood.gba build/linked.o
 clean:
 	rm -rf build
 
-build/src/%.o: src/%.c Makefile
+build/src/%.o: src/%.c Makefile rom.ld
 	@mkdir -p build/src
 	$(CC) $(CFLAGS) -c $< -o $@
 
-build/linked.o: $(OBJ_FILES) rom.ld
+build/linked.o: $(OBJ_FILES) rom.ld linker.ld
 	@mkdir -p build
 	@echo "$(LD) $(LDFLAGS) -Map build/linked.map -o $@ <objects> <libs>"
 	@$(LD) $(LDFLAGS) -Map build/linked.map -o $@ $(OBJ_FILES)
 
+rom.ld: linker/*.ld
+
 -include $(SRC_FILES:src/%.c=build/src/%.d)

linker.ld

@@ -0,0 +1,19 @@
+SECTIONS {
+    .text :
+    ALIGN(4)
+    {
+        *(.text);
+    }
+
+    .rodata :
+    ALIGN(4)
+    {
+        *(.rodata);
+    }
+
+    /* Discard everything not specifically mentioned above. */
+    /DISCARD/ :
+    {
+        *(*);
+    }
+}

linker/ram.ld

@@ -0,0 +1,67 @@
+gBattleStruct = 0x2000000;
+gBattleFlags = 0x2017100;
+sMonSummaryScreen = 0x2018000;
+gPartyMenu2 = 0x201B000;
+gPartyMenu = 0x201C000;
+gSprites = 0x2020004;
+gBGTilemapBuffers = 0x20211cc;
+gStringVar1 = 0x20231cc;
+gStringVar2 = 0x20232cc;
+gStringVar3 = 0x20233cc;
+gStringVar4 = 0x20234cc;
+gBattleTypeFlags = 0x20239f8;
+gActiveBattler = 0x2024a60;
+gBattleControllerExecFlags = 0x2024a64;
+gBattleMons = 0x2024a80;
+gCurrentMove = 0x2024be6;
+gBattleMoveDamage = 0x2024bec;
+gHpDealt = 0x2024bf0;
+gTakenDmg = 0x2024bf4;
+gBattlerAttacker = 0x2024c07;
+gBattlerTarget = 0x2024C08;
+gCritMultiplier = 0x2024c0d;
+gBattlescriptCurrInstr = 0x2024c10;
+gMoveResultFlags = 0x2024c68;
+gHitMarker = 0x2024c6c;
+gTakenDmgByBattler = 0x2024c74;
+gDisableStructs = 0x2024ca8;
+gProtectStructs = 0x2024d28;
+gSpecialStatuses = 0x2024d68;
+gBattleWeather = 0x2024db8;
+gEnigmaBerries = 0x2024df0;
+gBattleMovePower = 0x2024e80;
+gCreatingSpriteTemplate = 0x2024e8c;
+gPlayerName = 0x2024ea4;
+gPlayTimeHours = 0x2024eb2;
+gPlayTimeMinutes = 0x2024eb4;
+gExpandedItemPockets = 0x2025420;
+gRegisteredItems = 0x2025520;
+gMapHeader = 0x202e828;
+gPlayerAvatar = 0x202e858;
+gSpecialVar_0x8004 = 0x202e8cc;
+gSpecialVar_Result = 0x202e8dc;
+gPartyMenuUseExitCallback = 0x202e8f4;
+gMenuWindowPtr = 0x202e9c8;
+gMenuTextTileOffset = 0x202e9ce;
+gPlttBufferUnfaded = 0x202eac8;
+gPlttBufferFaded = 0x202eec8;
+gTrainerBattleOpponent = 0x202ff5e;
+gFieldEffectArguments = 0x202ff84;
+sPokeMenuCursorPos = 0x202ffa8;
+sPokeMenuOptionsNo = 0x202ffa9;
+sPokeMenuOptionsOrder = 0x202ffaa;
+gUnknown_02038558 = 0x2038558;
+sCurrentBagPocket = 0x2038559;
+gSpecialVar_ItemId = 0x203855e;
+gRepelMenuChoices = 0x203a400;
+gLastUsedRegisteredItem = 0x203a404;
+
+gMartInfo = 0x3000708;
+gMain = 0x3001770;
+gPlayerParty = 0x3004360;
+gObjectEvents = 0x30048a0;
+gTasks = 0x3004b20;
+gLastFieldPokeMenuOpened = 0x3005ce0;
+gBagPocketScrollStates = 0x3005d10;
+gCurrentBagPocketItemSlots = 0x3005d24;
+gScriptContext1 = 0x3007440;

linker/rodata.ld

@@ -0,0 +1,33 @@
+Event_NoRegisteredItem = 0x81a14af;
+BattleScript_SubstituteFade = 0x81d99ab;
+gFontDefaultPalette = 0x81e66b2;
+gWindowTemplate_81E6C3C = 0x81E6C3C;
+gMenuTextWindowTemplate = 0x81e6ce4;
+gMonFrontPicCoords = 0x81e7c74;
+gMonFrontPicTable = 0x81e8354;
+gMonPaletteTable = 0x81ea5b4;
+gMoveNames = 0x81f8320;
+gMonSpriteGfx_Sprite_ptr = 0x81faf4c;
+gBattleMoves = 0x81fb12c;
+gNatureStatTable = 0x81fd070;
+gHoldEffectToType = 0x8208263;
+gFieldEffectObjectTemplatePointers = 0x836dfc0;
+gWeatherPtr = 0x8396fc4;
+gWeatherFuncs = 0x8396fc8;
+gWeatherPalStateFuncs = 0x83970b8;
+sPokeMenuFieldMoves = 0x839f554;
+gItems = 0x83c5564;
+gContestMoves = 0x83cf594;
+gDecorations = 0x83eb6c4;
+gShadowEffectTemplateIds = 0x8401e32;
+gShadowVerticalOffsets = 0x8401e36;
+gOtherText_CancelNoTerminator = 0x840e645;
+gOtherText_OneDash = 0x840e680;
+gOtherText_TwoDashes = 0x840e682;
+gOtherText_QuitShopping = 0x840eca1;
+gOtherText_WontHaveAnyEffect = 0x840ef85;
+gOtherText_Player = 0x842c983;
+gOtherText_Badges = 0x842c98a;
+gOtherText_Pokedex = 0x842c992;
+gOtherText_PlayTime = 0x842c99a;
+gStatStageRatios = 0x8208244;

linker/syscalls.ld

@@ -0,0 +1,9 @@
+memcpy = 0x815b890 | 1;
+memset = 0x815bb08 | 1;
+CpuFastSet = 0x81e07e8 | 1;
+CpuSet = 0x81e07ec | 1;
+LZ77UnCompVram = 0x81e07f0 | 1;
+__divsi3 = 0x81e0868 | 1;
+__modsi3 = 0x81e0978 | 1;
+__udivsi3 = 0x81e0e90 | 1;
+__umodsi3 = 0x81e0f08 | 1;

linker/text.ld

@@ -0,0 +1,189 @@
+CreateSprite = 0x8000bdc | 1;
+CreateSpriteAtEnd = 0x8000c30 | 1;
+SpriteCallbackDummy = 0x8001210 | 1;
+StartSpriteAnim = 0x8001f58 | 1;
+AllocSpritePalette = 0x8002690 | 1;
+IndexOfSpritePaletteTag = 0x80026c0 | 1;
+LoadFontDefaultPalette = 0x8002a1c | 1;
+Text_LoadWindowTemplate = 0x8002a34 | 1;
+PrintStringWithNewlines = 0x8004fd0 | 1;
+StringCopy = 0x8006ab0 | 1;
+ConvertIntToDecimalStringN = 0x8006bc4 | 1;
+ConvertIntToDecimalString = 0x8006ddc | 1;
+BtlController_EmitSetMonData = 0x800c664 | 1;
+LoadCompressedObjectPalette = 0x800d2a4 | 1;
+DecompressPicFromTable_2 = 0x800d308 | 1;
+GetBattlerForBattleScript = 0x8015150 | 1;
+MarkBattlerForControllerExec = 0x8015554 | 1;
+BattleScriptPushCursor = 0x801584c | 1;
+AbilityBattleEffects = 0x8018324 | 1;
+CountAliveMons = 0x803c348 | 1;
+SetMonSpriteTemplate = 0x803c56c | 1;
+GetMonData = 0x803cb60 | 1;
+CalculatePPWithBonus = 0x803ddec | 1;
+GetNature = 0x803f464 | 1;
+CanMonLearnTMHM = 0x8040374 | 1;
+InitMapView = 0x8053220 | 1;
+LoadMapTilesetPalettes = 0x8056d84 | 1;
+MetatileBehavior_IsPokeGrass = 0x8056e14 | 1;
+MetatileBehavior_IsReflective = 0x8056e5c | 1;
+MetatileBehavior_IsReflective = 0x8056e5c | 1;
+MetatileBehavior_IsIce = 0x8056e84 | 1;
+MetatileBehavior_IsSurfableWaterOrUnderwater = 0x8056f38 | 1;
+MetatileBehavior_IsPuddle = 0x80573bc | 1;
+PlayerFreeze = 0x80594C0 | 1;
+StopPlayerAvatar = 0x80597F4 | 1;
+GetPlayerAvatarGraphicsIdByStateId = 0x805986c | 1;
+SetPlayerAvatarStateMask = 0x80599f4 | 1;
+GetObjectEventIdByLocalIdAndMap = 0x805ab84 | 1;
+TryGetObjectEventIdByLocalIdAndMap = 0x805aba8 | 1;
+ObjectEventSetGraphicsId = 0x805b980 | 1;
+ObjectEventTurn = 0x805bac0 | 1;
+GetObjectEventGraphicsInfo = 0x805bc10 | 1;
+ObjectEventGetLocalIdAndMap = 0x805bcac | 1;
+CameraObjectReset2 = 0x805c42c | 1;
+ObjectEventIsMovementOverridden = 0x806051c | 1;
+ObjectEventClearHeldMovementIfActive = 0x80605b4 | 1;
+ObjectEventClearHeldMovementIfFinished = 0x8060614 | 1;
+ObjectEventUpdateMetatileBehaviors = 0x80636e0 | 1;
+GetGroundEffectFlags_Reflection = 0x8063708 | 1;
+GetGroundEffectFlags_TallGrassOnSpawn = 0x8063764 | 1;
+GetGroundEffectFlags_TallGrassOnBeginStep = 0x8063784 | 1;
+GetGroundEffectFlags_LongGrassOnSpawn = 0x80637a4 | 1;
+GetGroundEffectFlags_LongGrassOnBeginStep = 0x80637c4 | 1;
+GetGroundEffectFlags_Tracks = 0x80637e4 | 1;
+GetGroundEffectFlags_SandPile = 0x8063824 | 1;
+GetGroundEffectFlags_ShallowFlowingWater = 0x8063874 | 1;
+GetGroundEffectFlags_Puddle = 0x80638d8 | 1;
+GetGroundEffectFlags_Ripple = 0x8063908 | 1;
+GetGroundEffectFlags_ShortGrass = 0x8063928 | 1;
+GetGroundEffectFlags_HotSprings = 0x8063978 | 1;
+GetGroundEffectFlags_Seaweed = 0x80639c8 | 1;
+GetGroundEffectFlags_JumpLanding = 0x80639e8 | 1;
+GroundEffect_SpawnOnTallGrass = 0x8063e48 | 1;
+GroundEffect_MoveOnTallGrass = 0x8063e94 | 1;
+GroundEffect_SpawnOnLongGrass = 0x8063ee0 | 1;
+GroundEffect_MoveOnLongGrass = 0x8063f2c | 1;
+GroundEffect_WaterReflection = 0x8063f78 | 1;
+GroundEffect_IceReflection = 0x8063f84 | 1;
+GroundEffect_FlowingWater = 0x8063f90 | 1;
+GroundEffect_SandTracks = 0x8063fa0 | 1;
+GroundEffect_DeepSandTracks = 0x8063fcc | 1;
+GroundEffect_Ripple = 0x806409c | 1;
+GroundEffect_StepOnPuddle = 0x80640a8 | 1;
+GroundEffect_SandPile = 0x80640b8 | 1;
+GroundEffect_JumpOnTallGrass = 0x80640c8 | 1;
+GroundEffect_JumpOnLongGrass = 0x8064120 | 1;
+GroundEffect_JumpOnShallowWater = 0x8064148 | 1;
+GroundEffect_JumpOnWater = 0x8064178 | 1;
+GroundEffect_JumpLandingDust = 0x80641a8 | 1;
+GroundEffect_ShortGrass = 0x80641d8 | 1;
+GroundEffect_HotSprings = 0x80641e8 | 1;
+GroundEffect_Seaweed = 0x80641f8 | 1;
+FreezeObjectEvents = 0x8064434 | 1;
+StartFieldEffectForObjectEvent = 0x80649f4 | 1;
+DoShadowFieldEffect = 0x8064a1c | 1;
+ShowFieldMessage = 0x8064b68 | 1;
+HideFieldMessageBox = 0x8064c58 | 1;
+TextWindow_LoadStdFrameGraphicsOverrideStyle = 0x8064f6c | 1;
+SetupNativeScript = 0x80653dc | 1;
+ScriptContext2_Enable = 0x8065530 | 1;
+ScriptContext2_IsEnabled = 0x8065548 | 1;
+ScriptContext1_SetupScript = 0x80655b8 | 1;
+ScriptContext1_Stop = 0x80655f0 | 1;
+VarSet = 0x8069270 | 1;
+FlagGet = 0x8069340 | 1;
+PrintPartyMenuPromptText = 0x806d538 | 1;
+PartyMenuEraseMsgBoxAndFrame = 0x806d5a4 | 1;
+TryPrintPartyMenuMonNickname = 0x806e07c | 1;
+GetMonNickname = 0x806e0ec | 1;
+DisplayPartyMenuMessage = 0x806e834 | 1;
+sub_806E8D0 = 0x806E8D0 | 1;
+ItemIdToBattleMoveId = 0x806f024 | 1;
+MonKnowsMove = 0x806f03c | 1;
+IsHMMove = 0x806f7b8 | 1;
+sub_806F8AC = 0x806f8ac | 1;
+Task_ClosePartyMenuAfterText = 0x806fb0c | 1;
+IsHPRecoveryItem = 0x806fb7c | 1;
+PartyMenuUpdateLevelOrStatus = 0x806fbb4 | 1;
+GetMedicineItemEffectMessage = 0x806fbd0 | 1;
+IsMedicineIneffective = 0x806fd90 | 1;
+ExecuteTableBasedItemEffect__ = 0x806fdc4 | 1;
+IsBlueYellowRedFlute = 0x807002c | 1;
+GetItemEffectType = 0x8070e48 | 1;
+AppendToList = 0x8071c3c | 1;
+InitMenuWindow = 0x8071c4c | 1;
+Menu_PrintText = 0x8071e50 | 1;
+Menu_EraseWindowRect = 0x8071e84 | 1;
+Menu_BlankWindowRect = 0x8071ebc | 1;
+Menu_DrawStdWindowFrame = 0x8071f08 | 1;
+Menu_PrintTextPixelCoords = 0x80729d8 | 1;
+MenuPrint_RightAligned = 0x8072b4c | 1;
+MenuPrint_Centered = 0x8072bd8 | 1;
+AlignInt1InMenuWindow = 0x8072c14 | 1;
+AlignStringInMenuWindow = 0x8072c74 | 1;
+Menu_GetTextColors = 0x8072cd4 | 1;
+LoadPalette = 0x8073a58 | 1;
+TransferPlttBuffer = 0x8073ae0 | 1;
+BeginNormalPaletteFade = 0x8073bf4 | 1;
+PlaySE = 0x8075494 | 1;
+GetBattlerSide = 0x8078814 | 1;
+CreateTask = 0x807aa88 | 1;
+DestroyTask = 0x807ab74 | 1;
+TaskDummy = 0x807ac50 | 1;
+FuncIsActiveTask = 0x807acbc | 1;
+FindTaskIdByFunc = 0x807acf4 | 1;
+Task_WeatherInit = 0x807c9e4 | 1;
+Task_WeatherMain = 0x807ca34 | 1;
+BuildGammaShiftTables = 0x807cb10 | 1;
+ApplyGammaShift = 0x807cebc | 1;
+Weather_SetBlendCoeffs = 0x807db64 | 1;
+SetRainStrengthFromSoundEffect = 0x807dd5c | 1;
+PlayRainSoundEffect = 0x807ddb8 | 1;
+PreservePaletteInWeather = 0x807de38 | 1;
+FieldEffectStop = 0x808583c | 1;
+CreateTrainerSprite = 0x80859bc | 1;
+FreeResourcesAndDestroySprite = 0x8085c44 | 1;
+CreateFlyBirdSprite = 0x8088f60 | 1;
+StartFlyBirdSwoopDown = 0x8088fc0 | 1;
+SetFlyBirdPlayerSpriteId = 0x8088ffc | 1;
+HandleItemUsePartyMenu = 0x808B0C0 | 1;
+ReturnToBagFromPartyMenu = 0x808B224 | 1;
+GetBadgeCount = 0x8094890 | 1;
+GetPokedexSeenCount = 0x80948c4 | 1;
+FormatPlayTime = 0x80948e4 | 1;
+GetMonMove = 0x809f760 | 1;
+GetMonMovePP = 0x809f798 | 1;
+SummaryScreen_PlaceTextTile_White = 0x809fa74 | 1;
+SummaryScreen_SetSpriteInvisibility = 0x80a1918 | 1;
+SummaryScreen_DrawTypeIcon = 0x80a198c | 1;
+GetMonStatusAndPokerus = 0x80a1cd8 | 1;
+SummaryScreen_SetTextColor = 0x80a1e58 | 1;
+SummaryScreen_CopyColoredString = 0x80a1e9c | 1;
+SummaryScreen_PrintColoredText = 0x80a1ff8 | 1;
+ItemIsMail = 0x80a2f2c | 1;
+HideMapNamePopup = 0x80a30a4 | 1;
+sub_80A37C0 = 0x80A37C0 | 1;
+DrawSelectIcon = 0x80a4030 | 1;
+MoveSelectIcon = 0x80a405c | 1;
+EraseSelectIcon = 0x80a40ac | 1;
+; RemoveSelectIconFromRegisteredItem = 0x80a40d0 | 1;
+; AddSelectIconToRegisteredItem = 0x80a413c | 1;
+sub_80A41D4 = 0x80A41D4 | 1;
+HighlightSelectedOption = 0x80a425c | 1;
+PrintCancelOption = 0x80a42b0 | 1;
+ItemListMenu_InitMenu = 0x80a736c | 1;
+sub_80A7528 = 0x80A7528 | 1;
+CheckBagHasItem = 0x80a92d4 | 1;
+RemoveBagItem = 0x80a9538 | 1;
+SanitizeItemId = 0x80a98bc | 1;
+ItemId_GetName = 0x80a98d4 | 1;
+ItemId_GetHoldEffect = 0x80a993c | 1;
+ItemId_GetHoldEffectParam = 0x80a9960 | 1;
+ItemId_GetDescription = 0x80a9984 | 1;
+ItemId_GetFieldFunc = 0x80a9a98 | 1;
+DrawMultichoiceMenu = 0x80b5138 | 1;
+CopyMapName = 0x80fbff8 | 1;
+UpdateShadowFieldEffect = 0x8126d10 | 1;
+SetSurfBlob_BobState = 0x8127ed0 | 1;
+CB2_ShowDiploma = 0x8145d88 | 1;