introduce RAM variable LD script generator tool

.gitattributes

@@ -9,6 +9,7 @@ Makefile text eol=lf
 *.pl text eol=lf
 *.inc text eol=lf
 *.sha1 text eol=lf
+*.sed text eol=lf
 
 *.png binary
 *.bin binary

.gitignore

@@ -25,3 +25,4 @@ ld_script_sapphire.txt
 *.id2
 *.nam
 *.til
+*.ld

Makefile

@@ -10,7 +10,6 @@ CPP      := $(DEVKITARM)/bin/arm-none-eabi-cpp
 CPPFLAGS := -I tools/agbcc/include -iquote include -nostdinc -undef
 
 LD      := $(DEVKITARM)/bin/arm-none-eabi-ld
-LDFLAGS := -T ld_script.txt -T iwram_syms.txt -T ewram_syms.txt
 
 OBJCOPY := $(DEVKITARM)/bin/arm-none-eabi-objcopy
 
@@ -26,6 +25,8 @@ SCANINC := tools/scaninc/scaninc
 
 PREPROC := tools/preproc/preproc
 
+RAMSCRGEN := tools/ramscrgen/ramscrgen
+
 REVISION := 0
 
 # Clear the default suffixes.
@@ -116,6 +117,7 @@ clean: tidy
 tidy:
 	rm -f pokeruby.gba pokesapphire.gba
 	rm -f pokeruby.elf pokesapphire.elf
+	rm -f ld_script.ld sym_bss.ld sym_common.ld sym_ewram.ld
 	rm -f pokeruby.map pokesapphire.map
 	rm -f $(C_OBJS)
 	rm -f $(ASM_OBJS)
@@ -175,8 +177,20 @@ $(DATA_ASM_OBJS): %.o: %.s $$(dep)
 $(SONG_OBJS): %.o: %.s
 	$(AS) $(ASFLAGS) -I sound -o $@ $<
 
-%.elf: ld_script.txt $(OBJS)
+sym_bss.ld: sym_bss.txt
-	$(LD) $(LDFLAGS) -Map $*.map -o $@ $(OBJS) $(LIBGCC)
+	$(RAMSCRGEN) .bss sym_bss.txt >$@
+
+sym_common.ld: sym_common.txt
+	$(RAMSCRGEN) COMMON sym_common.txt -c src,common_syms >$@
+
+sym_ewram.ld: sym_ewram.txt
+	$(RAMSCRGEN) ewram_data sym_ewram.txt >$@
+
+ld_script.ld: ld_script.txt sym_bss.ld sym_common.ld sym_ewram.ld
+	sed -f ld_script.sed ld_script.txt >ld_script.ld
+
+%.elf: ld_script.ld $(OBJS)
+	$(LD) -T ld_script.ld -T shared_syms.txt -Map $*.map -o $@ $(OBJS) $(LIBGCC)
 
 pokeruby.gba pokesapphire.gba: %.gba: %.elf
 	$(OBJCOPY) -O binary --gap-fill 0xFF --pad-to 0x9000000 $< $@

asm/rom_803BA2C.s

@@ -47,7 +47,7 @@ sub_803BA2C: @ 803BA2C
 	strh r0, [r2]
 	b _0803BA84
 	.align 2, 0
-_0803BA78: .4byte 0x02024e80
+_0803BA78: .4byte gBattleMovePower
 _0803BA7C: .4byte gBattleMoves
 _0803BA80:
 	ldr r0, _0803BA9C
@@ -65,7 +65,7 @@ _0803BA84:
 	mov r9, r0
 	b _0803BAAE
 	.align 2, 0
-_0803BA9C: .4byte 0x02024e80
+_0803BA9C: .4byte gBattleMovePower
 _0803BAA0: .4byte gBattleMoves
 _0803BAA4:
 	movs r0, 0x3F
@@ -97,7 +97,7 @@ _0803BAAE:
 	ldrb r0, [r0, 0x1A]
 	b _0803BAF6
 	.align 2, 0
-_0803BADC: .4byte 0x02024df0
+_0803BADC: .4byte gEnigmaBerries
 _0803BAE0:
 	ldrh r0, [r7, 0x2E]
 	bl itemid_get_x12
@@ -123,7 +123,7 @@ _0803BAF6:
 	str r0, [sp, 0x1C]
 	b _0803BB3C
 	.align 2, 0
-_0803BB10: .4byte 0x02024df0
+_0803BB10: .4byte gEnigmaBerries
 _0803BB14:
 	ldr r0, [sp, 0x20]
 	adds r0, 0x64
@@ -330,9 +330,9 @@ _0803BC9E:
 	mov r8, r0
 	b _0803BCDC
 	.align 2, 0
-_0803BCB8: .4byte 0x020239f8
+_0803BCB8: .4byte gUnknown_020239F8
 _0803BCBC: .4byte 0x00000902
-_0803BCC0: .4byte 0x0202ff5e
+_0803BCC0: .4byte word_202FF5E
 _0803BCC4: .4byte 0x00000807
 _0803BCC8: .4byte 0x0000080b
 _0803BCCC: .4byte 0x0000080d
@@ -730,13 +730,13 @@ _0803BFC4:
 	ldr r2, _0803BFF8
 	b _0803C006
 	.align 2, 0
-_0803BFDC: .4byte 0x020239f8
+_0803BFDC: .4byte gUnknown_020239F8
 _0803BFE0: .4byte 0xfffffe69
 _0803BFE4: .4byte 0x00000175
-_0803BFE8: .4byte 0x02024e80
+_0803BFE8: .4byte gBattleMovePower
 _0803BFEC: .4byte gBattleMoves
-_0803BFF0: .4byte 0x02024be6
+_0803BFF0: .4byte gUnknown_02024BE6
-_0803BFF4: .4byte 0x02024c0d
+_0803BFF4: .4byte gXXX_CritRelated
 _0803BFF8: .4byte gStatStageRatios
 _0803BFFC:
 	adds r5, r6, 0
@@ -784,7 +784,7 @@ _0803C01E:
 	b _0803C064
 	.align 2, 0
 _0803C050: .4byte gStatStageRatios
-_0803C054: .4byte 0x02024e80
+_0803C054: .4byte gBattleMovePower
 _0803C058:
 	ldr r3, [sp, 0x14]
 	b _0803C07E
@@ -853,7 +853,7 @@ _0803C0A8:
 	b _0803C0EA
 	.align 2, 0
 _0803C0DC: .4byte gStatStageRatios
-_0803C0E0: .4byte 0x020239f8
+_0803C0E0: .4byte gUnknown_020239F8
 _0803C0E4:
 	lsrs r0, r5, 31
 	adds r0, r5, r0
@@ -910,9 +910,9 @@ _0803C132:
 	ldr r2, _0803C154
 	b _0803C162
 	.align 2, 0
-_0803C148: .4byte 0x020239f8
+_0803C148: .4byte gUnknown_020239F8
 _0803C14C: .4byte gBattleMoves
-_0803C150: .4byte 0x02024c0d
+_0803C150: .4byte gXXX_CritRelated
 _0803C154: .4byte gStatStageRatios
 _0803C158:
 	mov r5, r8
@@ -957,7 +957,7 @@ _0803C17A:
 	b _0803C1BC
 	.align 2, 0
 _0803C1A8: .4byte gStatStageRatios
-_0803C1AC: .4byte 0x02024e80
+_0803C1AC: .4byte gBattleMovePower
 _0803C1B0:
 	ldr r3, [sp, 0x18]
 	b _0803C1D6
@@ -1013,7 +1013,7 @@ _0803C1D6:
 	b _0803C22A
 	.align 2, 0
 _0803C21C: .4byte gStatStageRatios
-_0803C220: .4byte 0x020239f8
+_0803C220: .4byte gUnknown_020239F8
 _0803C224:
 	lsrs r0, r5, 31
 	adds r0, r5, r0
@@ -1078,9 +1078,9 @@ _0803C25C:
 	beq _0803C2B8
 	b _0803C2C4
 	.align 2, 0
-_0803C2A4: .4byte 0x020239f8
+_0803C2A4: .4byte gUnknown_020239F8
 _0803C2A8: .4byte gBattleMoves
-_0803C2AC: .4byte 0x02024db8
+_0803C2AC: .4byte word_2024DB8
 _0803C2B0:
 	lsrs r0, r5, 31
 	adds r0, r5, r0
@@ -1118,7 +1118,7 @@ _0803C2DC:
 	beq _0803C306
 	b _0803C30C
 	.align 2, 0
-_0803C2F4: .4byte 0x02024be6
+_0803C2F4: .4byte gUnknown_02024BE6
 _0803C2F8:
 	lsls r0, r5, 4
 	subs r0, r5
@@ -1204,8 +1204,8 @@ _0803C384:
 	ble _0803C370
 	b _0803C41E
 	.align 2, 0
-_0803C390: .4byte 0x02024a60
+_0803C390: .4byte gUnknown_02024A60
-_0803C394: .4byte 0x02024c0c
+_0803C394: .4byte gUnknown_02024C0C
 _0803C398: .4byte gBitTable
 _0803C39C:
 	movs r5, 0
@@ -1239,8 +1239,8 @@ _0803C3D0:
 	ble _0803C39E
 	b _0803C41E
 	.align 2, 0
-_0803C3D8: .4byte 0x02024c07
+_0803C3D8: .4byte gUnknown_02024C07
-_0803C3DC: .4byte 0x02024c0c
+_0803C3DC: .4byte gUnknown_02024C0C
 _0803C3E0: .4byte gBitTable
 _0803C3E4:
 	movs r5, 0
@@ -1278,8 +1278,8 @@ _0803C41E:
 	pop {r1}
 	bx r1
 	.align 2, 0
-_0803C428: .4byte 0x02024c08
+_0803C428: .4byte gUnknown_02024C08
-_0803C42C: .4byte 0x02024c0c
+_0803C42C: .4byte gUnknown_02024C0C
 _0803C430: .4byte gBitTable
 	thumb_func_end sub_803C348
 
@@ -1304,7 +1304,7 @@ sub_803C434: @ 803C434
 	adds r0, r4, 0
 	b _0803C4AA
 	.align 2, 0
-_0803C45C: .4byte 0x020239f8
+_0803C45C: .4byte gUnknown_020239F8
 _0803C460:
 	movs r0, 0
 	bl sub_803C348
@@ -1336,7 +1336,7 @@ _0803C484:
 	adds r0, r4, 0
 	b _0803C4AA
 	.align 2, 0
-_0803C49C: .4byte 0x02024c0c
+_0803C49C: .4byte gUnknown_02024C0C
 _0803C4A0: .4byte gBitTable
 _0803C4A4:
 	movs r0, 0x2

asm/rom_803D1FC.s

@@ -82,10 +82,10 @@ sub_803E1B0: @ 803E1B0
 	ldrb r0, [r0, 0x7]
 	b _0803E248
 	.align 2, 0
-_0803E21C: .4byte 0x03001770
+_0803E21C: .4byte gMain
 _0803E220: .4byte 0x0000043d
-_0803E224: .4byte 0x02024df0
+_0803E224: .4byte gEnigmaBerries
-_0803E228: .4byte 0x02024e6c
+_0803E228: .4byte gUnknown_02024E6C
 _0803E22C:
 	ldr r0, _0803E238
 	ldr r5, _0803E23C
@@ -93,7 +93,7 @@ _0803E22C:
 	ldrb r0, [r0]
 	b _0803E248
 	.align 2, 0
-_0803E238: .4byte 0x02025734
+_0803E238: .4byte gSaveBlock1
 _0803E23C: .4byte 0x00003688
 _0803E240:
 	bl itemid_get_x12
@@ -145,13 +145,13 @@ _0803E248:
 	str r0, [sp, 0x34]
 	b _0803E2F4
 	.align 2, 0
-_0803E2A4: .4byte 0x02024c0b
+_0803E2A4: .4byte gUnknown_02024C0B
-_0803E2A8: .4byte 0x02024e6c
+_0803E2A8: .4byte gUnknown_02024E6C
-_0803E2AC: .4byte 0x03001770
+_0803E2AC: .4byte gMain
 _0803E2B0: .4byte 0x0000043d
-_0803E2B4: .4byte 0x02024a60
+_0803E2B4: .4byte gUnknown_02024A60
-_0803E2B8: .4byte 0x02024a68
+_0803E2B8: .4byte gUnknown_02024A68
-_0803E2BC: .4byte 0x02024a6a
+_0803E2BC: .4byte gUnknown_02024A6A
 _0803E2C0:
 	ldr r1, [sp, 0x18]
 	adds r1, 0x2
@@ -172,7 +172,7 @@ _0803E2C0:
 	str r0, [sp, 0x34]
 	b _0803E2F4
 	.align 2, 0
-_0803E2E4: .4byte 0x02024a68
+_0803E2E4: .4byte gUnknown_02024A68
 _0803E2E8:
 	ldr r0, _0803E310
 	strb r1, [r0]
@@ -196,7 +196,7 @@ _0803E2F4:
 	beq _0803E31E
 	b _0803E36C
 	.align 2, 0
-_0803E310: .4byte 0x02024a60
+_0803E310: .4byte gUnknown_02024A60
 _0803E314: .4byte gItemEffectTable
 _0803E318:
 	ldr r5, [sp, 0x8]
@@ -220,16 +220,16 @@ _0803E31E:
 	adds r0, r1
 	b _0803E372
 	.align 2, 0
-_0803E340: .4byte 0x03001770
+_0803E340: .4byte gMain
 _0803E344: .4byte 0x0000043d
-_0803E348: .4byte 0x02024a60
+_0803E348: .4byte gUnknown_02024A60
-_0803E34C: .4byte 0x02024df8
+_0803E34C: .4byte gUnknown_02024DF8
 _0803E350:
 	ldr r2, _0803E358
 	str r2, [sp, 0x20]
 	b _0803E374
 	.align 2, 0
-_0803E358: .4byte 0x02028daa
+_0803E358: .4byte gUnknown_02028DAA
 _0803E35C:
 	mov r0, r8
 	movs r2, 0
@@ -363,11 +363,11 @@ _0803E45A:
 	strb r0, [r1, 0x19]
 	b _0803E74E
 	.align 2, 0
-_0803E460: .4byte 0x03001770
+_0803E460: .4byte gMain
 _0803E464: .4byte 0x0000043d
-_0803E468: .4byte 0x02024a80
+_0803E468: .4byte gBattleMons
 _0803E46C: .4byte 0xfff0ffff
-_0803E470: .4byte 0x02024a60
+_0803E470: .4byte gUnknown_02024A60
 _0803E474:
 	ldr r0, [sp, 0x20]
 	ldr r1, [sp, 0x18]
@@ -442,8 +442,8 @@ _0803E4F8:
 	str r3, [sp, 0x1C]
 	bl _0803F14C
 	.align 2, 0
-_0803E500: .4byte 0x02024a80
+_0803E500: .4byte gBattleMons
-_0803E504: .4byte 0x02024a60
+_0803E504: .4byte gUnknown_02024A60
 _0803E508:
 	ldr r4, [sp, 0x20]
 	ldr r5, [sp, 0x18]
@@ -518,8 +518,8 @@ _0803E58C:
 	str r1, [sp, 0x1C]
 	bl _0803F14C
 	.align 2, 0
-_0803E594: .4byte 0x02024a80
+_0803E594: .4byte gBattleMons
-_0803E598: .4byte 0x02024a60
+_0803E598: .4byte gUnknown_02024A60
 _0803E59C:
 	ldr r3, [sp, 0x20]
 	ldr r4, [sp, 0x18]
@@ -739,14 +739,14 @@ _0803E74E:
 	str r5, [sp, 0x1C]
 	bl _0803F14C
 	.align 2, 0
-_0803E758: .4byte 0x02024c80
+_0803E758: .4byte gUnknown_02024C80
-_0803E75C: .4byte 0x02024a60
+_0803E75C: .4byte gUnknown_02024A60
 _0803E760: .4byte gExperienceTables
 _0803E764: .4byte gBaseStats
-_0803E768: .4byte 0x02024a80
+_0803E768: .4byte gBattleMons
 _0803E76C: .4byte 0xf7ffffff
 _0803E770: .4byte 0x00000f88
-_0803E774: .4byte 0x03001770
+_0803E774: .4byte gMain
 _0803E778: .4byte 0x0000043d
 _0803E77C:
 	ldr r1, [sp, 0x20]
@@ -1007,12 +1007,12 @@ _0803E954:
 	ldrb r0, [r0]
 	b _0803E9CC
 	.align 2, 0
-_0803E99C: .4byte 0x03001770
+_0803E99C: .4byte gMain
 _0803E9A0: .4byte 0x0000043d
-_0803E9A4: .4byte 0x02024c0c
+_0803E9A4: .4byte gUnknown_02024C0C
 _0803E9A8: .4byte gBitTable
-_0803E9AC: .4byte 0x02024a6a
+_0803E9AC: .4byte gUnknown_02024A6A
-_0803E9B0: .4byte 0x02024a60
+_0803E9B0: .4byte gUnknown_02024A60
 _0803E9B4:
 	ldr r3, _0803E9E4
 	ldr r1, _0803E9E8
@@ -1039,10 +1039,10 @@ _0803E9CC:
 	strb r0, [r1, 0x4]
 	b _0803EA0A
 	.align 2, 0
-_0803E9E4: .4byte 0x02024c0c
+_0803E9E4: .4byte gUnknown_02024C0C
 _0803E9E8: .4byte gBitTable
-_0803E9EC: .4byte 0x02024a60
+_0803E9EC: .4byte gUnknown_02024A60
-_0803E9F0: .4byte 0x030042e0
+_0803E9F0: .4byte gUnknown_030042E0
 _0803E9F4:
 	mov r0, r8
 	movs r1, 0x39
@@ -1194,11 +1194,11 @@ _0803EB08:
 	.align 2, 0
 _0803EB24: .4byte 0x02000000
 _0803EB28: .4byte 0x000160fa
-_0803EB2C: .4byte 0x03001770
+_0803EB2C: .4byte gMain
 _0803EB30: .4byte 0x0000043d
-_0803EB34: .4byte 0x02024a80
+_0803EB34: .4byte gBattleMons
-_0803EB38: .4byte 0x02024a60
+_0803EB38: .4byte gUnknown_02024A60
-_0803EB3C: .4byte 0x030042e0
+_0803EB3C: .4byte gUnknown_030042E0
 _0803EB40:
 	ldr r1, _0803EB58
 	ldr r0, [sp]
@@ -1214,7 +1214,7 @@ _0803EB4C:
 	mov r10, r2
 	b _0803EE0A
 	.align 2, 0
-_0803EB58: .4byte 0x02024bec
+_0803EB58: .4byte gUnknown_02024BEC
 _0803EB5C:
 	movs r7, 0x2
 	mov r0, r10
@@ -1377,10 +1377,10 @@ _0803EC9E:
 	str r0, [sp, 0x24]
 	b _0803EE0A
 	.align 2, 0
-_0803ECA4: .4byte 0x03001770
+_0803ECA4: .4byte gMain
 _0803ECA8: .4byte 0x0000043d
-_0803ECAC: .4byte 0x02024a80
+_0803ECAC: .4byte gBattleMons
-_0803ECB0: .4byte 0x02024ca8
+_0803ECB0: .4byte gUnknown_02024CA8
 _0803ECB4: .4byte gBitTable
 _0803ECB8:
 	ldr r6, [sp, 0x10]
@@ -1523,10 +1523,10 @@ _0803EDD8:
 	str r0, [sp, 0x1C]
 	b _0803EE0A
 	.align 2, 0
-_0803EDE0: .4byte 0x03001770
+_0803EDE0: .4byte gMain
 _0803EDE4: .4byte 0x0000043d
-_0803EDE8: .4byte 0x02024a80
+_0803EDE8: .4byte gBattleMons
-_0803EDEC: .4byte 0x02024ca8
+_0803EDEC: .4byte gUnknown_02024CA8
 _0803EDF0: .4byte gBitTable
 _0803EDF4:
 	mov r0, r8
@@ -2012,9 +2012,9 @@ _0803F1BE:
 	movs r0, 0
 	b _0803F1D2
 	.align 2, 0
-_0803F1C4: .4byte 0x03001770
+_0803F1C4: .4byte gMain
 _0803F1C8: .4byte 0x0000043d
-_0803F1CC: .4byte 0x02024a80
+_0803F1CC: .4byte gBattleMons
 _0803F1D0:
 	movs r0, 0x1
 _0803F1D2:
@@ -2072,8 +2072,8 @@ _0803F21E:
 	beq _0803F2C8
 	b _0803F312
 	.align 2, 0
-_0803F22C: .4byte 0x02024a60
+_0803F22C: .4byte gUnknown_02024A60
-_0803F230: .4byte 0x02024df8
+_0803F230: .4byte gUnknown_02024DF8
 _0803F234:
 	cmp r2, 0
 	blt _0803F312
@@ -2232,12 +2232,12 @@ sub_803F324: @ 803F324
 	pop {r0}
 	bx r0
 	.align 2, 0
-_0803F358: .4byte 0x02024c08
+_0803F358: .4byte gUnknown_02024C08
-_0803F35C: .4byte 0x02024e6c
+_0803F35C: .4byte gUnknown_02024E6C
-_0803F360: .4byte 0x030041c0
+_0803F360: .4byte gUnknown_030041C0
 _0803F364: .4byte gUnknown_08400F58
 _0803F368: .4byte gUnknown_082082F8
-_0803F36C: .4byte 0x03004290
+_0803F36C: .4byte gUnknown_03004290
 _0803F370: .4byte gUnknown_083FFDB3
 _0803F374: .4byte gUnknown_083FFDD3
 	thumb_func_end sub_803F324
@@ -2268,15 +2268,15 @@ sub_803F378: @ 803F378
 	adds r7, r0, r1
 	b _0803F3CC
 	.align 2, 0
-_0803F3A8: .4byte 0x03001770
+_0803F3A8: .4byte gMain
 _0803F3AC: .4byte 0x0000043d
-_0803F3B0: .4byte 0x02024e6c
+_0803F3B0: .4byte gUnknown_02024E6C
-_0803F3B4: .4byte 0x02024df8
+_0803F3B4: .4byte gUnknown_02024DF8
 _0803F3B8:
 	ldr r7, _0803F3BC
 	b _0803F3CA
 	.align 2, 0
-_0803F3BC: .4byte 0x02028daa
+_0803F3BC: .4byte gUnknown_02028DAA
 _0803F3C0:
 	ldr r1, _0803F404
 	subs r0, 0xD
@@ -2315,9 +2315,9 @@ _0803F3EC:
 	b _0803F422
 	.align 2, 0
 _0803F404: .4byte gItemEffectTable
-_0803F408: .4byte 0x02024e6c
+_0803F408: .4byte gUnknown_02024E6C
-_0803F40C: .4byte 0x02024c0b
+_0803F40C: .4byte gUnknown_02024C0B
-_0803F410: .4byte 0x02024c07
+_0803F410: .4byte gUnknown_02024C07
 _0803F414:
 	ldr r0, _0803F450
 	ldrb r0, [r0]
@@ -2349,11 +2349,11 @@ _0803F442:
 	pop {r1}
 	bx r1
 	.align 2, 0
-_0803F450: .4byte 0x02024e6c
+_0803F450: .4byte gUnknown_02024E6C
 _0803F454: .4byte gUnknown_083FEE92
-_0803F458: .4byte 0x02024c07
+_0803F458: .4byte gUnknown_02024C07
 _0803F45C: .4byte gUnknown_083FEE5D
-_0803F460: .4byte 0x020238cc
+_0803F460: .4byte gUnknown_020238CC
 	thumb_func_end sub_803F378
 
 	thumb_func_start GetNature
@@ -2433,7 +2433,7 @@ GetEvolutionTargetSpecies: @ 803F48C
 	ldrb r0, [r0]
 	b _0803F508
 	.align 2, 0
-_0803F4F8: .4byte 0x02025734
+_0803F4F8: .4byte gSaveBlock1
 _0803F4FC: .4byte 0x00003688
 _0803F500:
 	bl itemid_get_x12
@@ -2556,7 +2556,7 @@ _0803F5EE:
 _0803F5F6:
 	b _0803F612
 	.align 2, 0
-_0803F5F8: .4byte 0x03004038
+_0803F5F8: .4byte gLocalTime
 _0803F5FC:
 	bl RtcCalcLocalTime
 	ldr r0, _0803F624
@@ -2580,7 +2580,7 @@ _0803F61C:
 	mov r10, r0
 	b _0803F726
 	.align 2, 0
-_0803F624: .4byte 0x03004038
+_0803F624: .4byte gLocalTime
 _0803F628: .4byte gEvolutionTable
 _0803F62C:
 	adds r0, r6, r7
@@ -3334,7 +3334,7 @@ sub_803FB68: @ 803FB68
 	lsls r2, 16
 	lsrs r2, 16
 	mov r8, r2
-	ldr r0, =0x20231CC
+	ldr r0, =gStringVar1
 	mov r9, r0
 	adds r0, r5, 0
 	movs r1, 0x2
@@ -3414,7 +3414,7 @@ _0803FBA8:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_0803FBB4: .4byte 0x020231cc
+_0803FBB4: .4byte gStringVar1
 _0803FBB8: .4byte gSpeciesNames
 	thumb_func_end sub_803FB68
 	.endif
@@ -3440,7 +3440,7 @@ sub_803FBBC: @ 803FBBC
 	beq _0803FBEC
 	b _0803FBF2
 	.align 2, 0
-_0803FBE4: .4byte 0x03002970
+_0803FBE4: .4byte gLinkPlayers
 _0803FBE8:
 	cmp r0, 0x3
 	bne _0803FBF2
@@ -3476,7 +3476,7 @@ sub_803FBFC: @ 803FBFC
 	beq _0803FC28
 	b _0803FC2E
 	.align 2, 0
-_0803FC20: .4byte 0x03002970
+_0803FC20: .4byte gLinkPlayers
 _0803FC24:
 	cmp r0, 0x3
 	bne _0803FC2E
@@ -3500,7 +3500,7 @@ sub_803FC34: @ 803FC34
 	ldr r1, _0803FC40
 	b _0803FC4C
 	.align 2, 0
-_0803FC40: .4byte 0x03002970
+_0803FC40: .4byte gLinkPlayers
 _0803FC44:
 	adds r1, 0x1C
 	adds r2, 0x1
@@ -3621,9 +3621,9 @@ sub_803FCD4: @ 803FCD4
 	ldrb r4, [r0, 0x7]
 	b _0803FD3C
 	.align 2, 0
-_0803FD14: .4byte 0x03001770
+_0803FD14: .4byte gMain
 _0803FD18: .4byte 0x0000043d
-_0803FD1C: .4byte 0x02024df0
+_0803FD1C: .4byte gEnigmaBerries
 _0803FD20:
 	ldr r0, _0803FD2C
 	ldr r1, _0803FD30
@@ -3631,7 +3631,7 @@ _0803FD20:
 	ldrb r4, [r0]
 	b _0803FD3C
 	.align 2, 0
-_0803FD2C: .4byte 0x02025734
+_0803FD2C: .4byte gSaveBlock1
 _0803FD30: .4byte 0x00003688
 _0803FD34:
 	bl itemid_get_x12
@@ -3789,9 +3789,9 @@ _0803FE56:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_0803FE60: .4byte 0x020239f8
+_0803FE60: .4byte gUnknown_020239F8
 _0803FE64: .4byte gTrainers
-_0803FE68: .4byte 0x0202ff5e
+_0803FE68: .4byte word_202FF5E
 _0803FE6C: .4byte gUnknown_082082FE
 	thumb_func_end sub_803FCD4
 
@@ -3942,9 +3942,9 @@ _0803FF5C:
 	b _0803FFB0
 	.align 2, 0
 _0803FF84: .4byte gBaseStats
-_0803FF88: .4byte 0x03001770
+_0803FF88: .4byte gMain
 _0803FF8C: .4byte 0x0000043d
-_0803FF90: .4byte 0x02024df0
+_0803FF90: .4byte gEnigmaBerries
 _0803FF94:
 	ldr r0, _0803FFA0
 	ldr r2, _0803FFA4
@@ -3952,7 +3952,7 @@ _0803FF94:
 	ldrb r0, [r0]
 	b _0803FFB0
 	.align 2, 0
-_0803FFA0: .4byte 0x02025734
+_0803FFA0: .4byte gSaveBlock1
 _0803FFA4: .4byte 0x00003688
 _0803FFA8:
 	bl itemid_get_x12
@@ -4295,7 +4295,7 @@ _0804021E:
 	ands r0, r2
 	b _0804022A
 	.align 2, 0
-_08040224: .4byte 0x03004360
+_08040224: .4byte gPlayerParty
 _08040228:
 	subs r0, r2, r7
 _0804022A:
@@ -4316,7 +4316,7 @@ _0804023C:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_0804024C: .4byte 0x03004360
+_0804024C: .4byte gPlayerParty
 	thumb_func_end sub_80401D8
 
 	thumb_func_start atkE5_pickupitemcalculation
@@ -4967,7 +4967,7 @@ _08040718:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_08040724: .4byte 0x02024e84
+_08040724: .4byte gUnknown_02024E84
 	thumb_func_end sub_8040710
 
 	thumb_func_start sub_8040728
@@ -4983,7 +4983,7 @@ sub_8040728: @ 8040728
 	ldr r0, _08040740
 	b _080408B2
 	.align 2, 0
-_0804073C: .4byte 0x020239f8
+_0804073C: .4byte gUnknown_020239F8
 _08040740: .4byte 0x000001cf
 _08040744:
 	movs r0, 0x80
@@ -5027,7 +5027,7 @@ _08040780:
 	mov pc, r0
 	.align 2, 0
 _0804078C: .4byte gTrainers
-_08040790: .4byte 0x0202ff5e
+_08040790: .4byte word_202FF5E
 _08040794: .4byte _08040798
 	.align 2, 0
 _08040798:
@@ -5560,12 +5560,12 @@ sub_8040B8C: @ 8040B8C
 	bl pokemon_order_func
 	b _08040BEE
 	.align 2, 0
-_08040BCC: .4byte 0x02024c06
+_08040BCC: .4byte byte_2024C06
 _08040BD0: .4byte 0x02000000
 _08040BD4: .4byte 0x000160c0
-_08040BD8: .4byte 0x030041c0
+_08040BD8: .4byte gUnknown_030041C0
 _08040BDC: .4byte 0x00016054
-_08040BE0: .4byte 0x02024a6a
+_08040BE0: .4byte gUnknown_02024A6A
 _08040BE4:
 	ldr r0, _08040C24
 	ldrb r1, [r4]
@@ -5598,11 +5598,11 @@ _08040BEE:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_08040C24: .4byte 0x02024a6a
+_08040C24: .4byte gUnknown_02024A6A
-_08040C28: .4byte 0x03004290
+_08040C28: .4byte gUnknown_03004290
-_08040C2C: .4byte 0x02024e6c
+_08040C2C: .4byte gUnknown_02024E6C
 _08040C30: .4byte gUnknown_083FFCCA
-_08040C34: .4byte 0x020234cc
+_08040C34: .4byte gStringVar4
 	thumb_func_end sub_8040B8C
 
 	thumb_func_start sub_8040C38
@@ -5649,9 +5649,9 @@ _08040C82:
 	bl SetMonData
 	b _08040CAC
 	.align 2, 0
-_08040C90: .4byte 0x020239f8
+_08040C90: .4byte gUnknown_020239F8
 _08040C94: .4byte 0x00002008
-_08040C98: .4byte 0x030045c0
+_08040C98: .4byte gEnemyParty
 _08040C9C: .4byte gBaseStats
 _08040CA0:
 	adds r2, 0xE
@@ -5736,7 +5736,7 @@ sub_8040D08: @ 8040D08
 	pop {r1}
 	bx r1
 	.align 2, 0
-_08040D38: .4byte 0x03002970
+_08040D38: .4byte gLinkPlayers
 	thumb_func_end sub_8040D08
 
 	thumb_func_start sub_8040D3C

asm/rom_8072DF8.s

@@ -22,8 +22,8 @@ sub_8072DF8: @ 8072DF8
 	pop {r0}
 	bx r0
 	.align 2, 0
-_08072E18: .4byte 0x030006c0
+_08072E18: .4byte gUnknown_030006C0
-_08072E1C: .4byte 0x0202e9d8
+_08072E1C: .4byte gUnknown_0202E9D8
 _08072E20: .4byte 0x0500003c
 	thumb_func_end sub_8072DF8
 
@@ -66,8 +66,8 @@ _08072E64:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_08072E6C: .4byte 0x030006c0
+_08072E6C: .4byte gUnknown_030006C0
-_08072E70: .4byte 0x0202e9d8
+_08072E70: .4byte gUnknown_0202E9D8
 	thumb_func_end sub_8072E24
 
 	thumb_func_start sub_8072E74
@@ -105,9 +105,9 @@ _08072EA6:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_08072EB0: .4byte 0x030006c0
+_08072EB0: .4byte gUnknown_030006C0
 _08072EB4: .4byte 0x040000d4
-_08072EB8: .4byte 0x0202e9d8
+_08072EB8: .4byte gUnknown_0202E9D8
 	thumb_func_end sub_8072E74
 
 	thumb_func_start cur_mapheader_run_tileset_funcs_after_some_cpuset
@@ -176,12 +176,12 @@ _08072F2E:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_08072F34: .4byte 0x030006c2
+_08072F34: .4byte gUnknown_030006C2
-_08072F38: .4byte 0x030006c4
+_08072F38: .4byte gUnknown_030006C4
-_08072F3C: .4byte 0x030006c6
+_08072F3C: .4byte gUnknown_030006C6
-_08072F40: .4byte 0x030006c8
+_08072F40: .4byte gUnknown_030006C8
-_08072F44: .4byte 0x030006cc
+_08072F44: .4byte gUnknown_030006CC
-_08072F48: .4byte 0x030006d0
+_08072F48: .4byte gUnknown_030006D0
 	thumb_func_end sub_8072EDC
 
 	thumb_func_start cur_mapheader_run_tileset1_func
@@ -208,10 +208,10 @@ _08072F72:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_08072F78: .4byte 0x030006c2
+_08072F78: .4byte gUnknown_030006C2
-_08072F7C: .4byte 0x030006c4
+_08072F7C: .4byte gUnknown_030006C4
-_08072F80: .4byte 0x030006cc
+_08072F80: .4byte gUnknown_030006CC
-_08072F84: .4byte 0x0202e828
+_08072F84: .4byte gMapHeader
 	thumb_func_end cur_mapheader_run_tileset1_func
 
 	thumb_func_start cur_mapheader_run_tileset2_func
@@ -238,10 +238,10 @@ _08072FAE:
 	pop {r0}
 	bx r0
 	.align 2, 0
-_08072FB4: .4byte 0x030006c6
+_08072FB4: .4byte gUnknown_030006C6
-_08072FB8: .4byte 0x030006c8
+_08072FB8: .4byte gUnknown_030006C8
-_08072FBC: .4byte 0x030006d0
+_08072FBC: .4byte gUnknown_030006D0
-_08072FC0: .4byte 0x0202e828
+_08072FC0: .4byte gMapHeader
 	thumb_func_end cur_mapheader_run_tileset2_func
 
 	thumb_func_start TilesetCB_General
@@ -259,9 +259,9 @@ TilesetCB_General: @ 8072FC4
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_08072FDC: .4byte 0x030006c2
+_08072FDC: .4byte gUnknown_030006C2
-_08072FE0: .4byte 0x030006c4
+_08072FE0: .4byte gUnknown_030006C4
-_08072FE4: .4byte 0x030006cc
+_08072FE4: .4byte gUnknown_030006CC
 _08072FE8: .4byte sub_8073014
 	thumb_func_end TilesetCB_General
 
@@ -280,9 +280,9 @@ TilesetCB_Building: @ 8072FEC
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_08073004: .4byte 0x030006c2
+_08073004: .4byte gUnknown_030006C2
-_08073008: .4byte 0x030006c4
+_08073008: .4byte gUnknown_030006C4
-_0807300C: .4byte 0x030006cc
+_0807300C: .4byte gUnknown_030006CC
 _08073010: .4byte sub_8073058
 	thumb_func_end TilesetCB_Building
 
@@ -440,10 +440,10 @@ TilesetCB_Petalburg: @ 8073110
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_08073128: .4byte 0x030006c6
+_08073128: .4byte gUnknown_030006C6
-_0807312C: .4byte 0x030006c8
+_0807312C: .4byte gUnknown_030006C8
-_08073130: .4byte 0x030006c4
+_08073130: .4byte gUnknown_030006C4
-_08073134: .4byte 0x030006d0
+_08073134: .4byte gUnknown_030006D0
 	thumb_func_end TilesetCB_Petalburg
 
 	thumb_func_start TilesetCB_Rustboro
@@ -460,10 +460,10 @@ TilesetCB_Rustboro: @ 8073138
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_08073150: .4byte 0x030006c6
+_08073150: .4byte gUnknown_030006C6
-_08073154: .4byte 0x030006c8
+_08073154: .4byte gUnknown_030006C8
-_08073158: .4byte 0x030006c4
+_08073158: .4byte gUnknown_030006C4
-_0807315C: .4byte 0x030006d0
+_0807315C: .4byte gUnknown_030006D0
 _08073160: .4byte sub_8073424
 	thumb_func_end TilesetCB_Rustboro
 
@@ -481,10 +481,10 @@ TilesetCB_Dewford: @ 8073164
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_0807317C: .4byte 0x030006c6
+_0807317C: .4byte gUnknown_030006C6
-_08073180: .4byte 0x030006c8
+_08073180: .4byte gUnknown_030006C8
-_08073184: .4byte 0x030006c4
+_08073184: .4byte gUnknown_030006C4
-_08073188: .4byte 0x030006d0
+_08073188: .4byte gUnknown_030006D0
 	thumb_func_end TilesetCB_Dewford
 
 	thumb_func_start TilesetCB_Slateport
@@ -501,10 +501,10 @@ TilesetCB_Slateport: @ 807318C
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_080731A4: .4byte 0x030006c6
+_080731A4: .4byte gUnknown_030006C6
-_080731A8: .4byte 0x030006c8
+_080731A8: .4byte gUnknown_030006C8
-_080731AC: .4byte 0x030006c4
+_080731AC: .4byte gUnknown_030006C4
-_080731B0: .4byte 0x030006d0
+_080731B0: .4byte gUnknown_030006D0
 	thumb_func_end TilesetCB_Slateport
 
 	thumb_func_start TilesetCB_Mauville
@@ -522,11 +522,11 @@ TilesetCB_Mauville: @ 80731B4
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_080731CC: .4byte 0x030006c6
+_080731CC: .4byte gUnknown_030006C6
-_080731D0: .4byte 0x030006c2
+_080731D0: .4byte gUnknown_030006C2
-_080731D4: .4byte 0x030006c8
+_080731D4: .4byte gUnknown_030006C8
-_080731D8: .4byte 0x030006c4
+_080731D8: .4byte gUnknown_030006C4
-_080731DC: .4byte 0x030006d0
+_080731DC: .4byte gUnknown_030006D0
 _080731E0: .4byte sub_80734A0
 	thumb_func_end TilesetCB_Mauville
 
@@ -544,10 +544,10 @@ TilesetCB_Lavaridge: @ 80731E4
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_080731FC: .4byte 0x030006c6
+_080731FC: .4byte gUnknown_030006C6
-_08073200: .4byte 0x030006c8
+_08073200: .4byte gUnknown_030006C8
-_08073204: .4byte 0x030006c4
+_08073204: .4byte gUnknown_030006C4
-_08073208: .4byte 0x030006d0
+_08073208: .4byte gUnknown_030006D0
 _0807320C: .4byte sub_8073514
 	thumb_func_end TilesetCB_Lavaridge
 
@@ -565,10 +565,10 @@ TilesetCB_Fallarbor: @ 8073210
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_08073228: .4byte 0x030006c6
+_08073228: .4byte gUnknown_030006C6
-_0807322C: .4byte 0x030006c8
+_0807322C: .4byte gUnknown_030006C8
-_08073230: .4byte 0x030006c4
+_08073230: .4byte gUnknown_030006C4
-_08073234: .4byte 0x030006d0
+_08073234: .4byte gUnknown_030006D0
 	thumb_func_end TilesetCB_Fallarbor
 
 	thumb_func_start TilesetCB_Fortree
@@ -585,10 +585,10 @@ TilesetCB_Fortree: @ 8073238
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_08073250: .4byte 0x030006c6
+_08073250: .4byte gUnknown_030006C6
-_08073254: .4byte 0x030006c8
+_08073254: .4byte gUnknown_030006C8
-_08073258: .4byte 0x030006c4
+_08073258: .4byte gUnknown_030006C4
-_0807325C: .4byte 0x030006d0
+_0807325C: .4byte gUnknown_030006D0
 	thumb_func_end TilesetCB_Fortree
 
 	thumb_func_start TilesetCB_Lilycove
@@ -605,10 +605,10 @@ TilesetCB_Lilycove: @ 8073260
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_08073278: .4byte 0x030006c6
+_08073278: .4byte gUnknown_030006C6
-_0807327C: .4byte 0x030006c8
+_0807327C: .4byte gUnknown_030006C8
-_08073280: .4byte 0x030006c4
+_08073280: .4byte gUnknown_030006C4
-_08073284: .4byte 0x030006d0
+_08073284: .4byte gUnknown_030006D0
 	thumb_func_end TilesetCB_Lilycove
 
 	thumb_func_start TilesetCB_Mossdeep
@@ -625,10 +625,10 @@ TilesetCB_Mossdeep: @ 8073288
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_080732A0: .4byte 0x030006c6
+_080732A0: .4byte gUnknown_030006C6
-_080732A4: .4byte 0x030006c8
+_080732A4: .4byte gUnknown_030006C8
-_080732A8: .4byte 0x030006c4
+_080732A8: .4byte gUnknown_030006C4
-_080732AC: .4byte 0x030006d0
+_080732AC: .4byte gUnknown_030006D0
 	thumb_func_end TilesetCB_Mossdeep
 
 	thumb_func_start TilesetCB_EverGrande
@@ -645,10 +645,10 @@ TilesetCB_EverGrande: @ 80732B0
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_080732C8: .4byte 0x030006c6
+_080732C8: .4byte gUnknown_030006C6
-_080732CC: .4byte 0x030006c8
+_080732CC: .4byte gUnknown_030006C8
-_080732D0: .4byte 0x030006c4
+_080732D0: .4byte gUnknown_030006C4
-_080732D4: .4byte 0x030006d0
+_080732D4: .4byte gUnknown_030006D0
 _080732D8: .4byte sub_8073540
 	thumb_func_end TilesetCB_EverGrande
 
@@ -667,11 +667,11 @@ TilesetCB_Pacifidlog: @ 80732DC
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_080732F4: .4byte 0x030006c6
+_080732F4: .4byte gUnknown_030006C6
-_080732F8: .4byte 0x030006c2
+_080732F8: .4byte gUnknown_030006C2
-_080732FC: .4byte 0x030006c8
+_080732FC: .4byte gUnknown_030006C8
-_08073300: .4byte 0x030006c4
+_08073300: .4byte gUnknown_030006C4
-_08073304: .4byte 0x030006d0
+_08073304: .4byte gUnknown_030006D0
 _08073308: .4byte sub_80735B4
 	thumb_func_end TilesetCB_Pacifidlog
 
@@ -689,10 +689,10 @@ TilesetCB_Sootopolis: @ 807330C
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_08073324: .4byte 0x030006c6
+_08073324: .4byte gUnknown_030006C6
-_08073328: .4byte 0x030006c8
+_08073328: .4byte gUnknown_030006C8
-_0807332C: .4byte 0x030006c4
+_0807332C: .4byte gUnknown_030006C4
-_08073330: .4byte 0x030006d0
+_08073330: .4byte gUnknown_030006D0
 	thumb_func_end TilesetCB_Sootopolis
 
 	thumb_func_start TilesetCB_Underwater
@@ -708,9 +708,9 @@ TilesetCB_Underwater: @ 8073334
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_08073348: .4byte 0x030006c6
+_08073348: .4byte gUnknown_030006C6
-_0807334C: .4byte 0x030006c8
+_0807334C: .4byte gUnknown_030006C8
-_08073350: .4byte 0x030006d0
+_08073350: .4byte gUnknown_030006D0
 _08073354: .4byte sub_80735E4
 	thumb_func_end TilesetCB_Underwater
 
@@ -727,9 +727,9 @@ TilesetCB_SootopolisGym: @ 8073358
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_0807336C: .4byte 0x030006c6
+_0807336C: .4byte gUnknown_030006C6
-_08073370: .4byte 0x030006c8
+_08073370: .4byte gUnknown_030006C8
-_08073374: .4byte 0x030006d0
+_08073374: .4byte gUnknown_030006D0
 _08073378: .4byte sub_80738A8
 	thumb_func_end TilesetCB_SootopolisGym
 
@@ -747,10 +747,10 @@ TilesetCB_Cave: @ 807337C
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_08073394: .4byte 0x030006c6
+_08073394: .4byte gUnknown_030006C6
-_08073398: .4byte 0x030006c8
+_08073398: .4byte gUnknown_030006C8
-_0807339C: .4byte 0x030006c4
+_0807339C: .4byte gUnknown_030006C4
-_080733A0: .4byte 0x030006d0
+_080733A0: .4byte gUnknown_030006D0
 _080733A4: .4byte sub_8073600
 	thumb_func_end TilesetCB_Cave
 
@@ -767,9 +767,9 @@ TilesetCB_EliteFour: @ 80733A8
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_080733BC: .4byte 0x030006c6
+_080733BC: .4byte gUnknown_030006C6
-_080733C0: .4byte 0x030006c8
+_080733C0: .4byte gUnknown_030006C8
-_080733C4: .4byte 0x030006d0
+_080733C4: .4byte gUnknown_030006D0
 _080733C8: .4byte sub_80738C0
 	thumb_func_end TilesetCB_EliteFour
 
@@ -787,10 +787,10 @@ TilesetCB_MauvilleGym: @ 80733CC
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_080733E4: .4byte 0x030006c6
+_080733E4: .4byte gUnknown_030006C6
-_080733E8: .4byte 0x030006c8
+_080733E8: .4byte gUnknown_030006C8
-_080733EC: .4byte 0x030006c4
+_080733EC: .4byte gUnknown_030006C4
-_080733F0: .4byte 0x030006d0
+_080733F0: .4byte gUnknown_030006D0
 _080733F4: .4byte sub_8073890
 	thumb_func_end TilesetCB_MauvilleGym
 
@@ -808,10 +808,10 @@ TilesetCB_BikeShop: @ 80733F8
 	str r0, [r1]
 	bx lr
 	.align 2, 0
-_08073410: .4byte 0x030006c6
+_08073410: .4byte gUnknown_030006C6
-_08073414: .4byte 0x030006c8
+_08073414: .4byte gUnknown_030006C8
-_08073418: .4byte 0x030006c4
+_08073418: .4byte gUnknown_030006C4
-_0807341C: .4byte 0x030006d0
+_0807341C: .4byte gUnknown_030006D0
 _08073420: .4byte sub_80738EC
 	thumb_func_end TilesetCB_BikeShop
 

build_tools.sh

@@ -5,3 +5,4 @@ make -C tools/preproc
 make -C tools/bin2c
 make -C tools/rsfont
 make -C tools/aif2pcm
+make -C tools/ramscrgen

ewram_syms.txt

@@ -1,88 +0,0 @@
-unk_2000000 = 0x2000000;
-unk_2004000 = 0x2004000;
-
-unk_20160BC = 0x20160BC;
-
-gSecretBaseRecord = 0x2017000;
-
-dword_2017100 = 0x2017100;
-
-gUnknown_020239F8 = 0x20239F8;
-
-gUnknown_02024A60 = 0x2024A60;
-
-gBattleMons = 0x2024A80;
-
-gUnknown_02024BE6 = 0x2024BE6;
-
-byte_2024C06 = 0x2024C06;
-gUnknown_02024C07 = 0x2024C07;
-gUnknown_02024C08 = 0x2024C08;
-gUnknown_02024C0C = 0x2024C0C;
-gXXX_CritRelated = 0x2024C0D;
-
-word_2024DB8 = 0x2024DB8;
-
-gEnigmaBerries = 0x2024DF0;
-
-gBattleMovePower = 0x2024E80;
-word_2024E82 = 0x2024E82;
-byte_2024E88 = 0x2024E88;
-
-gUnknown_02024E8C = 0x2024E8C;
-
-gSaveBlock2 = 0x2024EA4;
-
-gSaveBlock1 = 0x2025734;
-
-gMapHeader = 0x202E828;
-
-gPlayerAvatar = 0x202E858;
-
-gFieldMessageBoxWindow = 0x202E87C;
-
-gUnknown_0202E8AC = 0x202E8AC;
-gUnknown_0202E8B0 = 0x202E8B0;
-gUnknown_0202E8B4 = 0x202E8B4;
-gUnknown_0202E8B6 = 0x202E8B6;
-gUnknown_0202E8B8 = 0x202E8B8;
-gUnknown_0202E8BA = 0x202E8BA;
-gUnknown_0202E8BC = 0x202E8BC;
-gUnknown_0202E8C4 = 0x202E8C4;
-gUnknown_0202E8C6 = 0x202E8C6;
-gUnknown_0202E8C8 = 0x202E8C8;
-gUnknown_0202E8CC = 0x202E8CC;
-gScriptResult = 0x202E8DC;
-gUnknown_0202E8E0 = 0x202E8E0;
-
-gMenuWindow = 0x202E908;
-gMenuWindowPtr = 0x202E9C8;
-gMenuMultistepInitState = 0x202E9CC;
-gMenuTextTileOffset = 0x202E9CE;
-gMenuTextWindowTileOffset = 0x202E9D0;
-gMenuTextWindowContentTileOffset = 0x202E9D2;
-gMenuMessageBoxContentTileOffset = 0x202E9D4;
-
-gPlttBufferUnfaded = 0x202EAC8;
-gPlttBufferFaded = 0x202EEC8;
-gPlttBufferTransferPending = 0x202F398;
-gPaletteDecompressionBuffer = 0x202F39C;
-gPaletteStructs = 0x202F2C8;
-gPaletteFade = 0x202F388;
-
-word_202FF5E = 0x202FF5E;
-
-gUnknown_0202FF84 = 0x202FF84;
-gUnknown_0202FF88 = 0x202FF88;
-gUnknown_0202FF8C = 0x202FF8C;
-
-gPokemonStorage = 0x20300A0;
-
-word_203855E = 0x203855E;
-
-gUnknown_0203869A = 0x203869A;
-gUnknown_0203869C = 0x203869C;
-
-gTileBuffer = 0x2039360;
-
-gSubspriteTable_203A380 = 0x203A380;

iwram_syms.txt

@@ -1,34 +0,0 @@
-/* .bss starts at 0x3000000 */
-
-gPlayTimeCounterState = 0x300057C;
-
-sScriptContext1Status = 0x30005B0;
-sScriptContext1 = 0x30005B8;
-sScriptContext2 = 0x3000630;
-sScriptContext2Enabled = 0x30006A4;
-
-/* .bss.code starts at 0x3000F60 */
-
-/* COMMON starts at 0x3001760 */
-
-gLocalTime = 0x3004038;
-
-gPlayerPartyCount = 0x3004350;
-gPlayerParty = 0x3004360;
-gEnemyPartyCount = 0x30045B8;
-gEnemyParty = 0x30045C0;
-
-gRngValue = 0x03004818;
-
-gUnknown_3004820 = 0x3004820;
-
-word_3004858 = 0x3004858;
-
-gMapObjects = 0x30048A0;
-gSelectedMapObject = 0x3004AE0;
-
-gTasks = 0x3004B20;
-
-gSaveFileStatus = 0x3005EB8;
-
-gMPlayMemAccArea = 0x3007440;

ld_script.sed

@@ -0,0 +1,14 @@
+/<EWRAM>/ {
+    r sym_ewram.ld
+    d
+}
+
+/<BSS>/ {
+    r sym_bss.ld
+    d
+}
+
+/<COMMON>/ {
+    r sym_common.ld
+    d
+}

ld_script.txt

@@ -10,14 +10,9 @@ SECTIONS {
     ALIGN(4)
     {
         . = 0x20000;
-        src/main.o(ewram_data);
+
-        src/sprite.o(ewram_data);
+<EWRAM>
-        . = ALIGN(4);
+
-        src/text.o(ewram_data);
-        src/string_util.o(ewram_data);
-        . += 0x2E8; /* big gap */
-        src/link.o(ewram_data);
-        src/rtc.o(ewram_data);
         . = 0x40000;
     }
 
@@ -26,42 +21,14 @@ SECTIONS {
     iwram (NOLOAD) :
     ALIGN(4)
     {
-        src/main.o(.bss);
+        /* .bss starts at 0x3000000 */
-        src/sprite.o(.bss);
+<BSS>
-        src/text.o(.bss);
-        src/string_util.o(.bss);
-        src/link.o(.bss);
-        src/rtc.o(.bss);
-
-        . = 0x5A8;
-        src/field_message_box.o(.bss);
-        . = ALIGN(4);
-        src/text_window.o(.bss);
-
-        . = 0x6B0;
-        src/menu.o(.bss);
-
-        . = 0xF28;
-        src/agb_flash.o(.bss);
-        . = 0xF36;
-        src/siirtc.o(.bss);
-        tools/agbcc/lib/libgcc.a:dp-bit.o(.bss);
-        tools/agbcc/lib/libgcc.a:fp-bit.o(.bss);
 
+        /* .bss.code starts at 0x3000F60 */
         src/m4a_2.o(.bss.code);
 
-        src/main.o(iwram_data);
+        /* COMMON starts at 0x3001760 */
-        src/sprite.o(iwram_data);
+<COMMON>
-        src/text.o(iwram_data);
-        src/string_util.o(iwram_data);
-        src/link.o(iwram_data);
-        src/rtc.o(iwram_data);
-
-        . = 0x5FD0;
-        src/m4a_2.o(iwram_data);
-
-        . = 0x7490;
-        src/agb_flash.o(iwram_data);
 
         . = 0x8000;
     }

shared_syms.txt

@@ -0,0 +1,8 @@
+unk_2000000 = 0x2000000;
+unk_2004000 = 0x2004000;
+
+unk_20160BC = 0x20160BC;
+
+gSecretBaseRecord = 0x2017000;
+
+dword_2017100 = 0x2017100;

src/siirtc.c

@@ -52,6 +52,7 @@
 
 extern vu16 GPIOPortDirection;
 
+static u16 sDummy; // unused variable
 static bool8 sLocked;
 
 static int WriteCommand(u8 value);

sym_bss.txt

@@ -0,0 +1,226 @@
+	.include "src/main.o"
+	.include "src/sprite.o"
+	.include "src/text.o"
+	.include "src/string_util.o"
+	.include "src/link.o"
+	.include "src/rtc.o"
+
+	.align 2
+gUnknown_03000470: @ 3000470
+	.space 0x68
+
+gUnknown_030004D8: @ 30004D8
+	.space 0x8
+
+gUnknown_030004E0: @ 30004E0
+	.space 0x8
+
+gUnknown_030004E8: @ 30004E8
+	.space 0x18
+
+gUnknown_03000500: @ 3000500
+	.space 0x8
+
+gUnknown_03000508: @ 3000508
+	.space 0x8
+
+gUnknown_03000510: @ 3000510
+	.space 0x10
+
+gUnknown_03000520: @ 3000520
+	.space 0xC
+
+gUnknown_0300052C: @ 300052C
+	.space 0x2
+
+gUnknown_0300052E: @ 300052E
+	.space 0x2
+
+gUnknown_03000530: @ 3000530
+	.space 0x18
+
+gUnknown_03000548: @ 3000548
+	.space 0x14
+
+gUnknown_0300055C: @ 300055C
+	.space 0x4
+
+gUnknown_03000560: @ 3000560
+	.space 0x1C
+
+gPlayTimeCounterState: @ 300057C
+	.space 0x4
+
+gUnknown_03000580: @ 3000580
+	.space 0x4
+
+gUnknown_03000584: @ 3000584
+	.space 0x4
+
+gUnknown_03000588: @ 3000588
+	.space 0x8
+
+gUnknown_03000590: @ 3000590
+	.space 0x8
+
+gUnknown_03000598: @ 3000598
+	.space 0x2
+
+gUnknown_0300059A: @ 300059A
+	.space 0x2
+
+gUnknown_0300059C: @ 300059C
+	.space 0x4
+
+gUnknown_030005A0: @ 30005A0
+	.space 0x4
+
+gUnknown_030005A4: @ 30005A4
+	.space 0x2
+
+gUnknown_030005A6: @ 30005A6
+	.space 0x2
+
+	.include "src/field_message_box.o"
+	.include "src/text_window.o"
+
+	.align 2
+sScriptContext1Status: @ 30005B0
+	.space 0x8
+
+sScriptContext1: @ 30005B8
+	.space 0x78
+
+sScriptContext2: @ 3000630
+	.space 0x74
+
+sScriptContext2Enabled: @ 30006A4
+	.space 0x4
+
+gUnknown_030006A8: @ 30006A8
+	.space 0x4
+
+gUnknown_030006AC: @ 30006AC
+	.space 0x1
+
+gUnknown_030006AD: @ 30006AD
+	.space 0x3
+
+	.include "src/menu.o"
+
+	.align 2
+gUnknown_030006C0: @ 30006C0
+	.space 0x2
+
+gUnknown_030006C2: @ 30006C2
+	.space 0x2
+
+gUnknown_030006C4: @ 30006C4
+	.space 0x2
+
+gUnknown_030006C6: @ 30006C6
+	.space 0x2
+
+gUnknown_030006C8: @ 30006C8
+	.space 0x4
+
+gUnknown_030006CC: @ 30006CC
+	.space 0x4
+
+gUnknown_030006D0: @ 30006D0
+	.space 0x4
+
+gUnknown_030006D4: @ 30006D4
+	.space 0x2
+
+gUnknown_030006D6: @ 30006D6
+	.space 0x2
+
+gUnknown_030006D8: @ 30006D8
+	.space 0x1
+
+gUnknown_030006D9: @ 30006D9
+	.space 0x1
+
+gUnknown_030006DA: @ 30006DA
+	.space 0x2
+
+gUnknown_030006DC: @ 30006DC
+	.space 0x4
+
+gUnknown_030006E0: @ 30006E0
+	.space 0x20
+
+gUnknown_03000700: @ 3000700
+	.space 0x1
+
+gUnknown_03000701: @ 3000701
+	.space 0x3
+
+gUnknown_03000704: @ 3000704
+	.space 0x4
+
+gUnknown_03000708: @ 3000708
+	.space 0x10
+
+gUnknown_03000718: @ 3000718
+	.space 0x4
+
+gUnknown_0300071C: @ 300071C
+	.space 0x4
+
+gUnknown_03000720: @ 3000720
+	.space 0x1
+
+gUnknown_03000721: @ 3000721
+	.space 0x1
+
+gUnknown_03000722: @ 3000722
+	.space 0x6
+
+gUnknown_03000728: @ 3000728
+	.space 0x8
+
+gUnknown_03000730: @ 3000730
+	.space 0x10
+
+gUnknown_03000740: @ 3000740
+	.space 0x4
+
+gUnknown_03000744: @ 3000744
+	.space 0x4
+
+gUnknown_03000748: @ 3000748
+	.space 0x4
+
+gUnknown_0300074C: @ 300074C
+	.space 0x4
+
+gUnknown_03000750: @ 3000750
+	.space 0x2
+
+gUnknown_03000752: @ 3000752
+	.space 0x2
+
+gUnknown_03000754: @ 3000754
+	.space 0x2
+
+gUnknown_03000756: @ 3000756
+	.space 0x2
+
+gUnknown_03000758: @ 3000758
+	.space 0x8
+
+gUnknown_03000760: @ 3000760
+	.space 0x50
+
+gUnknown_030007B0: @ 30007B0
+	.space 0x4
+
+gUnknown_030007B4: @ 30007B4
+	.space 0x774
+
+	.include "src/agb_flash.o"
+	.include "src/siirtc.o"
+	.include "tools/agbcc/lib/libgcc.a:dp-bit.o"
+	.include "tools/agbcc/lib/libgcc.a:fp-bit.o"

sym_common.txt

@@ -0,0 +1,691 @@
+gKeyRepeatStartDelay: @ 3001760
+	.space 0x4
+
+gUnknown_3001764: @ 3001764
+	.space 0xC
+
+gMain: @ 3001770
+	.space 0x3C
+
+gUnknown_030017AC: @ 30017AC
+	.space 0x400
+
+gUnknown_03001BAC: @ 3001BAC
+	.space 0x4
+
+gKeyRepeatContinueDelay: @ 3001BB0
+	.space 0x4
+
+gUnknown_3001BB4: @ 3001BB4
+	.space 0xC
+
+gIntrTable: @ 3001BC0
+	.space 0x38
+
+gLinkVSyncDisabled: @ 3001BF8
+	.space 0x8
+
+IntrMain_Buffer: @ 3001C00
+	.space 0x800
+
+gPcmDmaCounter: @ 3002400
+	.space 0x10
+
+gSpriteOrder: @ 3002410
+	.space 0x40
+
+gSpriteTileAllocBitmap: @ 3002450
+	.space 0x80
+
+gSpriteCoordOffsetX: @ 30024D0
+	.space 0x4
+
+gOamLimit: @ 30024D4
+	.space 0x4
+
+gReservedSpriteTileCount: @ 30024D8
+	.space 0x4
+
+gSpriteCopyRequestCount: @ 30024DC
+	.space 0x4
+
+gSpriteCopyRequests: @ 30024E0
+	.space 0x300
+
+gSpriteCoordOffsetY: @ 30027E0
+	.space 0x10
+
+gOamMatrices: @ 30027F0
+	.space 0x100
+
+gShouldProcessSpriteCopyRequests: @ 30028F0
+	.space 0x4
+
+gOamMatrixAllocBitmap: @ 30028F4
+	.space 0x4
+
+gReservedSpritePaletteCount: @ 30028F8
+	.space 0x8
+
+gUnknownStringVar: @ 3002900
+	.space 0x10
+
+word_3002910: @ 3002910
+	.space 0x8
+
+gLinkDebugValue1: @ 3002918
+	.space 0x8
+
+localLinkPlayerBlock: @ 3002920
+	.space 0x3C
+
+gLinkErrorOccurred: @ 300295C
+	.space 0x4
+
+gFiller_3002960: @ 3002960
+	.space 0x4
+
+gLinkDebugValue2: @ 3002964
+	.space 0x4
+
+gFiller_3002968: @ 3002968
+	.space 0x4
+
+gLinkPlayerPending: @ 300296C
+	.space 0x4
+
+gLinkPlayers: @ 3002970
+	.space 0x4
+
+gUnknown_03002974: @ 3002974
+	.space 0x4
+
+gUnknown_03002978: @ 3002978
+	.space 0x68
+
+gBlockReceived: @ 30029E0
+	.space 0x4
+
+gFiller_30029E4: @ 30029E4
+	.space 0x4
+
+gLinkHeldKeys: @ 30029E8
+	.space 0x4
+
+gLinkTimeOutCounter: @ 30029EC
+	.space 0x4
+
+gFiller_30029F0: @ 30029F0
+	.space 0x10
+
+localLinkPlayer: @ 3002A00
+	.space 0x20
+
+gRecvCmds: @ 3002A20
+	.space 0x40
+
+gLinkStatus: @ 3002A60
+	.space 0x4
+
+gLinkDummyBool: @ 3002A64
+	.space 0x4
+
+byte_3002A68: @ 3002A68
+	.space 0x8
+
+gBlockSendBuffer: @ 3002A70
+	.space 0x100
+
+u8_array_3002B70: @ 3002B70
+	.space 0x4
+
+gLinkType: @ 3002B74
+	.space 0x4
+
+u8_array_3002B78: @ 3002B78
+	.space 0x8
+
+gBlockRecvBuffer: @ 3002B80
+	.space 0x4
+
+gUnknown_03002B84: @ 3002B84
+	.space 0x3FC
+
+gSuppressLinkErrorMessage: @ 3002F80
+	.space 0x4
+
+gSavedLinkPlayerCount: @ 3002F84
+	.space 0xC
+
+gSendCmd: @ 3002F90
+	.space 0x10
+
+gSavedMultiplayerId: @ 3002FA0
+	.space 0x4
+
+gReceivedRemoteLinkPlayers: @ 3002FA4
+	.space 0xC
+
+gLinkTestBGInfo: @ 3002FB0
+	.space 0x10
+
+gLinkCallback: @ 3002FC0
+	.space 0x10
+
+gSavedLinkPlayers: @ 3002FD0
+	.space 0x70
+
+gShouldAdvanceLinkState: @ 3003040
+	.space 0x8
+
+gLinkTestBlockChecksums: @ 3003048
+	.space 0x8
+
+gFiller_3003050: @ 3003050
+	.space 0x4
+
+gBlockRequestType: @ 3003054
+	.space 0x4
+
+gFiller_3003058: @ 3003058
+	.space 0x4
+
+gFiller_300305C: @ 300305C
+	.space 0x4
+
+gLastSendQueueCount: @ 3003060
+	.space 0x10
+
+gLink: @ 3003070
+	.space 0xFC0
+
+gLastRecvQueueCount: @ 3004030
+	.space 0x4
+
+gLinkSavedIme: @ 3004034
+	.space 0x4
+
+gLocalTime: @ 3004038
+	.space 0x8
+
+gUnknown_03004040: @ 3004040
+	.space 0x170
+
+gUnknown_030041B0: @ 30041B0
+	.space 0x4
+
+gUnknown_030041B4: @ 30041B4
+	.space 0x4
+
+gUnknown_030041B8: @ 30041B8
+	.space 0x8
+
+gUnknown_030041C0: @ 30041C0
+	.space 0x10
+
+gUnknown_030041D0: @ 30041D0
+	.space 0x30
+
+gUnknown_03004200: @ 3004200
+	.space 0x10
+
+gUnknown_03004210: @ 3004210
+	.space 0x30
+
+gUnknown_03004240: @ 3004240
+	.space 0x4
+
+gUnknown_03004244: @ 3004244
+	.space 0xC
+
+gUnknown_03004250: @ 3004250
+	.space 0x30
+
+gUnknown_03004280: @ 3004280
+	.space 0x4
+
+gUnknown_03004284: @ 3004284
+	.space 0x4
+
+gUnknown_03004288: @ 3004288
+	.space 0x4
+
+gUnknown_0300428C: @ 300428C
+	.space 0x4
+
+gUnknown_03004290: @ 3004290
+	.space 0x10
+
+gUnknown_030042A0: @ 30042A0
+	.space 0x4
+
+gUnknown_030042A4: @ 30042A4
+	.space 0xC
+
+gUnknown_030042B0: @ 30042B0
+	.space 0x10
+
+gUnknown_030042C0: @ 30042C0
+	.space 0x4
+
+gUnknown_030042C4: @ 30042C4
+	.space 0xC
+
+gUnknown_030042D0: @ 30042D0
+	.space 0x4
+
+gUnknown_030042D4: @ 30042D4
+	.space 0xC
+
+gUnknown_030042E0: @ 30042E0
+	.space 0x1C
+
+gUnknown_030042FC: @ 30042FC
+	.space 0xE
+
+gUnknown_0300430A: @ 300430A
+	.space 0xC
+
+gUnknown_03004316: @ 3004316
+	.space 0xE
+
+gUnknown_03004324: @ 3004324
+	.space 0xC
+
+gUnknown_03004330: @ 3004330
+	.space 0x10
+
+gUnknown_03004340: @ 3004340
+	.space 0x4
+
+gUnknown_03004344: @ 3004344
+	.space 0x4
+
+gUnknown_03004348: @ 3004348
+	.space 0x4
+
+gUnknown_0300434C: @ 300434C
+	.space 0x4
+
+gPlayerPartyCount: @ 3004350
+	.space 0x10
+
+gPlayerParty: @ 3004360
+	.space 0x64
+
+gUnknown_030043C4: @ 30043C4
+	.space 0x64
+
+gUnknown_03004428: @ 3004428
+	.space 0x64
+
+gUnknown_0300448C: @ 300448C
+	.space 0x64
+
+gUnknown_030044F0: @ 30044F0
+	.space 0x64
+
+gUnknown_03004554: @ 3004554
+	.space 0x64
+
+gEnemyPartyCount: @ 30045B8
+	.space 0x8
+
+gEnemyParty: @ 30045C0
+	.space 0xC8
+
+gUnknown_03004688: @ 3004688
+	.space 0x64
+
+gUnknown_030046EC: @ 30046EC
+	.space 0x64
+
+gUnknown_03004750: @ 3004750
+	.space 0x64
+
+gUnknown_030047B4: @ 30047B4
+	.space 0x64
+
+gRngValue: @ 3004818
+	.space 0x4
+
+gUnknown_0300481C: @ 300481C
+	.space 0x4
+
+gUnknown_3004820: @ 3004820
+	.space 0x4
+
+gUnknown_03004824: @ 3004824
+	.space 0x4
+
+gUnknown_03004828: @ 3004828
+	.space 0x8
+
+gUnknown_03004830: @ 3004830
+	.space 0x4
+
+gUnknown_03004834: @ 3004834
+	.space 0xC
+
+gUnknown_03004840: @ 3004840
+	.space 0x14
+
+gUnknown_03004854: @ 3004854
+	.space 0x4
+
+word_3004858: @ 3004858
+	.space 0x4
+
+gUnknown_0300485C: @ 300485C
+	.space 0x4
+
+gUnknown_03004860: @ 3004860
+	.space 0x4
+
+gUnknown_03004864: @ 3004864
+	.space 0xC
+
+gUnknown_03004870: @ 3004870
+	.space 0x10
+
+gUnknown_03004880: @ 3004880
+	.space 0x18
+
+gUnknown_03004898: @ 3004898
+	.space 0x4
+
+gUnknown_0300489C: @ 300489C
+	.space 0x4
+
+gMapObjects: @ 30048A0
+	.space 0x240
+
+gSelectedMapObject: @ 3004AE0
+	.space 0x4
+
+gUnknown_03004AE4: @ 3004AE4
+	.space 0x4
+
+gUnknown_03004AE8: @ 3004AE8
+	.space 0x4
+
+gUnknown_03004AEC: @ 3004AEC
+	.space 0x4
+
+gUnknown_03004AF0: @ 3004AF0
+	.space 0x10
+
+gUnknown_03004B00: @ 3004B00
+	.space 0x10
+
+gUnknown_03004B10: @ 3004B10
+	.space 0x10
+
+gTasks: @ 3004B20
+	.space 0x8
+
+gUnknown_03004B28: @ 3004B28
+	.space 0x278
+
+gUnknown_03004DA0: @ 3004DA0
+	.space 0x20
+
+gUnknown_03004DC0: @ 3004DC0
+	.space 0x20
+
+gUnknown_03004DE0: @ 3004DE0
+	.space 0x2
+
+gUnknown_03004DE2: @ 3004DE2
+	.space 0x2
+
+gUnknown_03004DE4: @ 3004DE4
+	.space 0x27C
+
+gUnknown_03005060: @ 3005060
+	.space 0x500
+
+gUnknown_03005560: @ 3005560
+	.space 0x140
+
+gUnknown_030056A0: @ 30056A0
+	.space 0x640
+
+gUnknown_03005CE0: @ 3005CE0
+	.space 0x4
+
+gUnknown_03005CE4: @ 3005CE4
+	.space 0x4
+
+gUnknown_03005CE8: @ 3005CE8
+	.space 0x4
+
+gUnknown_03005CEC: @ 3005CEC
+	.space 0x4
+
+gUnknown_03005CF0: @ 3005CF0
+	.space 0x10
+
+gUnknown_03005D00: @ 3005D00
+	.space 0x10
+
+gUnknown_03005D10: @ 3005D10
+	.space 0x14
+
+gUnknown_03005D24: @ 3005D24
+	.space 0x4
+
+gUnknown_03005D28: @ 3005D28
+	.space 0x4
+
+gUnknown_03005D2C: @ 3005D2C
+	.space 0x4
+
+gUnknown_03005D30: @ 3005D30
+	.space 0x4
+
+gUnknown_03005D34: @ 3005D34
+	.space 0x4
+
+gUnknown_03005D38: @ 3005D38
+	.space 0x68
+
+gUnknown_03005DA0: @ 3005DA0
+	.space 0x48
+
+gUnknown_03005DE8: @ 3005DE8
+	.space 0x4
+
+gUnknown_03005DEC: @ 3005DEC
+	.space 0x4
+
+gUnknown_03005DF0: @ 3005DF0
+	.space 0x4
+
+gUnknown_03005DF4: @ 3005DF4
+	.space 0x4
+
+gUnknown_03005DF8: @ 3005DF8
+	.space 0x4
+
+gUnknown_03005DFC: @ 3005DFC
+	.space 0x4
+
+gUnknown_03005E00: @ 3005E00
+	.space 0x4
+
+gUnknown_03005E04: @ 3005E04
+	.space 0x4
+
+gUnknown_03005E08: @ 3005E08
+	.space 0x4
+
+gUnknown_03005E0C: @ 3005E0C
+	.space 0x4
+
+gUnknown_03005E10: @ 3005E10
+	.space 0x10
+
+gUnknown_03005E20: @ 3005E20
+	.space 0x20
+
+gUnknown_03005E40: @ 3005E40
+	.space 0x4C
+
+gUnknown_03005E8C: @ 3005E8C
+	.space 0x4
+
+gUnknown_03005E90: @ 3005E90
+	.space 0x4
+
+gUnknown_03005E94: @ 3005E94
+	.space 0x4
+
+gUnknown_03005E98: @ 3005E98
+	.space 0x4
+
+gUnknown_03005E9C: @ 3005E9C
+	.space 0x4
+
+gUnknown_03005EA0: @ 3005EA0
+	.space 0x4
+
+gUnknown_03005EA4: @ 3005EA4
+	.space 0x4
+
+gUnknown_03005EA8: @ 3005EA8
+	.space 0x4
+
+gUnknown_03005EAC: @ 3005EAC
+	.space 0x4
+
+gUnknown_03005EB0: @ 3005EB0
+	.space 0x4
+
+gUnknown_03005EB4: @ 3005EB4
+	.space 0x4
+
+gSaveFileStatus: @ 3005EB8
+	.space 0x4
+
+gUnknown_03005EBC: @ 3005EBC
+	.space 0x14
+
+gUnknown_03005ED0: @ 3005ED0
+	.space 0x10
+
+gUnknown_03005EE0: @ 3005EE0
+	.space 0x2C
+
+gUnknown_03005F0C: @ 3005F0C
+	.space 0x4
+
+gUnknown_03005F10: @ 3005F10
+	.space 0x4
+
+gUnknown_03005F14: @ 3005F14
+	.space 0xC
+
+gUnknown_03005F20: @ 3005F20
+	.space 0x4
+
+gUnknown_03005F24: @ 3005F24
+	.space 0x4
+
+gUnknown_03005F28: @ 3005F28
+	.space 0x4
+
+gUnknown_03005F2C: @ 3005F2C
+	.space 0x4
+
+gUnknown_03005F30: @ 3005F30
+	.space 0x4
+
+gUnknown_03005F34: @ 3005F34
+	.space 0x8
+
+gUnknown_03005F3C: @ 3005F3C
+	.space 0x4
+
+gUnknown_03005F40: @ 3005F40
+	.space 0x10
+
+gUnknown_03005F50: @ 3005F50
+	.space 0x44
+
+gUnknown_03005F94: @ 3005F94
+	.space 0xC
+
+gUnknown_03005FA0: @ 3005FA0
+	.space 0x30
+
+gSoundInfo: @ 3005FD0
+	.space 0x350
+
+gUnknown_03006320: @ 3006320
+	.space 0xC60
+
+gPokemonCrySongs: @ 3006F80
+	.space 0x70
+
+gPokemonCryMusicPlayers: @ 3006FF0
+	.space 0x80
+
+gMPlayJumpTable: @ 3007070
+	.space 0x90
+
+gCgbChans: @ 3007100
+	.space 0x100
+
+gPokemonCryTracks: @ 3007200
+	.space 0x140
+
+gPokemonCrySong: @ 3007340
+	.space 0x40
+
+gUnknown_03007380: @ 3007380
+	.space 0x40
+
+gUnknown_030073C0: @ 30073C0
+	.space 0x40
+
+gUnknown_03007400: @ 3007400
+	.space 0x40
+
+gMPlayMemAccArea: @ 3007440
+	.space 0x10
+
+gUnknown_03007450: @ 3007450
+	.space 0x40
+
+gFlashTimeoutFlag: @ 3007490
+	.space 0x4
+
+PollFlashStatus: @ 3007494
+	.space 0x4
+
+WaitForFlashWrite: @ 3007498
+	.space 0x4
+
+ProgramFlashSector: @ 300749C
+	.space 0x4
+
+gFlash: @ 30074A0
+	.space 0x4
+
+ProgramFlashByte: @ 30074A4
+	.space 0x4
+
+gFlashNumRemainingBytes: @ 30074A8
+	.space 0x4
+
+EraseFlashChip: @ 30074AC
+	.space 0x4
+
+EraseFlashSector: @ 30074B0
+	.space 0x4
+
+gFlashMaxTime: @ 30074B4
+	.space 0xB44
+
+gUnknown_03007FF8: @ 3007FF8

tools/ramscrgen/.gitignore

@@ -0,0 +1 @@
+ramscrgen

tools/ramscrgen/LICENSE

@@ -0,0 +1,19 @@
+Copyright (c) 2016 YamaArashi
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

tools/ramscrgen/Makefile

@@ -0,0 +1,15 @@
+CXX := g++
+
+CXXFLAGS := -std=c++11 -O2 -Wall -Wno-switch
+
+SRCS := main.cpp sym_file.cpp elf.cpp
+
+HEADERS := ramscrgen.h sym_file.h elf.h char_util.h
+
+.PHONY: clean
+
+ramscrgen: $(SRCS) $(HEADERS)
+	$(CXX) $(CXXFLAGS) $(SRCS) -o $@
+
+clean:
+	$(RM) ramscrgen ramscrgen.exe

tools/ramscrgen/char_util.h

@@ -0,0 +1,71 @@
+// Copyright(c) 2016 YamaArashi
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#ifndef CHAR_UTIL_H
+#define CHAR_UTIL_H
+
+#include <cstdint>
+#include <cassert>
+
+inline bool IsAscii(unsigned char c)
+{
+    return (c < 128);
+}
+
+inline bool IsAsciiAlpha(unsigned char c)
+{
+    return ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'));
+}
+
+inline bool IsAsciiDigit(unsigned char c)
+{
+    return (c >= '0' && c <= '9');
+}
+
+inline bool IsAsciiHexDigit(unsigned char c)
+{
+    return ((c >= '0' && c <= '9')
+        || (c >= 'a' && c <= 'f')
+        || (c >= 'A' && c <= 'F'));
+}
+
+inline bool IsAsciiAlphanum(unsigned char c)
+{
+    return (IsAsciiAlpha(c) || IsAsciiDigit(c));
+}
+
+inline bool IsAsciiPrintable(unsigned char c)
+{
+    return (c >= ' ' && c <= '~');
+}
+
+// Returns whether the character can start the identifier of a "{FOO}" constant in strings.
+inline bool IsIdentifierStartingChar(unsigned char c)
+{
+    return IsAsciiAlpha(c) || c == '_';
+}
+
+// Returns whether the character can be used in the identifier of a "{FOO}" constant in strings.
+inline bool IsIdentifierChar(unsigned char c)
+{
+    return IsAsciiAlphanum(c) || c == '_';
+}
+
+#endif // CHAR_UTIL_H

tools/ramscrgen/elf.cpp

@@ -0,0 +1,190 @@
+#include <cstdio>
+#include <cstring>
+#include <cstdint>
+#include <map>
+#include <vector>
+#include <string>
+#include "ramscrgen.h"
+#include "elf.h"
+
+#define SHN_COMMON 0xFFF2
+
+static std::string s_elfPath;
+
+static FILE *s_file;
+
+static std::uint32_t s_sectionHeaderOffset;
+static int s_sectionHeaderEntrySize;
+static int s_sectionCount;
+static int s_shstrtabIndex;
+
+static std::uint32_t s_symtabOffset;
+static std::uint32_t s_strtabOffset;
+
+static std::uint32_t s_symbolCount;
+
+struct Symbol
+{
+    std::uint32_t nameOffset;
+    std::uint32_t size;
+};
+
+static void Seek(long offset)
+{
+    if (std::fseek(s_file, offset, SEEK_SET) != 0)
+        FATAL_ERROR("error: failed to seek to %ld in \"%s\"", offset, s_elfPath.c_str());
+}
+
+static void Skip(long offset)
+{
+    if (std::fseek(s_file, offset, SEEK_CUR) != 0)
+        FATAL_ERROR("error: failed to skip %ld bytes in \"%s\"", offset, s_elfPath.c_str());
+}
+
+static std::uint32_t ReadInt8()
+{
+    int c = std::fgetc(s_file);
+
+    if (c < 0)
+        FATAL_ERROR("error: unexpected EOF when reading ELF file \"%s\"\n", s_elfPath.c_str());
+
+    return c;
+}
+
+static std::uint32_t ReadInt16()
+{
+    std::uint32_t val = 0;
+    val |= ReadInt8();
+    val |= ReadInt8() << 8;
+    return val;
+}
+
+static std::uint32_t ReadInt32()
+{
+    std::uint32_t val = 0;
+    val |= ReadInt8();
+    val |= ReadInt8() << 8;
+    val |= ReadInt8() << 16;
+    val |= ReadInt8() << 24;
+    return val;
+}
+
+static std::string ReadString()
+{
+    std::string s;
+    char c;
+
+    while ((c = ReadInt8()) != 0)
+        s += c;
+
+    return s;
+}
+
+static void VerifyElfIdent()
+{
+    char expectedMagic[4] = { 0x7F, 'E', 'L', 'F' };
+    char magic[4];
+
+    if (std::fread(magic, 4, 1, s_file) != 1)
+        FATAL_ERROR("error: failed to read ELF magic from \"%s\"\n", s_elfPath.c_str());
+
+    if (std::memcmp(magic, expectedMagic, 4) != 0)
+        FATAL_ERROR("error: ELF magic did not match in \"%s\"\n", s_elfPath.c_str());
+
+    if (std::fgetc(s_file) != 1)
+        FATAL_ERROR("error: \"%s\" not 32-bit ELF\n", s_elfPath.c_str());
+
+    if (std::fgetc(s_file) != 1)
+        FATAL_ERROR("error: \"%s\" not little-endian ELF\n", s_elfPath.c_str());
+}
+
+static void ReadElfHeader()
+{
+    Seek(0x20);
+    s_sectionHeaderOffset = ReadInt32();
+    Seek(0x2E);
+    s_sectionHeaderEntrySize = ReadInt16();
+    s_sectionCount = ReadInt16();
+    s_shstrtabIndex = ReadInt16();
+}
+
+static std::string GetSectionName(std::uint32_t shstrtabOffset, int index)
+{
+    Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * index);
+    std::uint32_t nameOffset = ReadInt32();
+    Seek(shstrtabOffset + nameOffset);
+    return ReadString();
+}
+
+static void FindTableOffsets()
+{
+    Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * s_shstrtabIndex + 0x10);
+    std::uint32_t shstrtabOffset = ReadInt32();
+
+    for (int i = 0; i < s_sectionCount; i++)
+    {
+        std::string name = GetSectionName(shstrtabOffset, i);
+
+        if (name == ".symtab")
+        {
+            if (s_symtabOffset)
+                FATAL_ERROR("error: mutiple .symtab sections found in \"%s\"\n", s_elfPath.c_str());
+            Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * i + 0x10);
+            s_symtabOffset = ReadInt32();
+            std::uint32_t size = ReadInt32();
+            s_symbolCount = size / 16;
+        }
+        else if (name == ".strtab")
+        {
+            if (s_strtabOffset)
+                FATAL_ERROR("error: mutiple .strtab sections found in \"%s\"\n", s_elfPath.c_str());
+            Seek(s_sectionHeaderOffset + s_sectionHeaderEntrySize * i + 0x10);
+            s_strtabOffset = ReadInt32();
+        }
+    }
+
+    if (!s_symtabOffset)
+        FATAL_ERROR("error: couldn't find .symtab section in \"%s\"\n", s_elfPath.c_str());
+
+    if (!s_strtabOffset)
+        FATAL_ERROR("error: couldn't find .strtab section in \"%s\"\n", s_elfPath.c_str());
+}
+
+std::map<std::string, std::uint32_t> GetCommonSymbols(std::string path)
+{
+    std::map<std::string, std::uint32_t> commonSymbols;
+
+    s_file = std::fopen(path.c_str(), "rb");
+
+    if (s_file == NULL)
+        FATAL_ERROR("error: failed to open \"%s\" for reading\n", path.c_str());
+
+    VerifyElfIdent();
+    ReadElfHeader();
+    FindTableOffsets();
+    
+    std::vector<Symbol> commonSymbolVec;
+
+    Seek(s_symtabOffset);
+
+    for (std::uint32_t i = 0; i < s_symbolCount; i++)
+    {
+        Symbol sym;
+        sym.nameOffset = ReadInt32();
+        Skip(4);
+        sym.size = ReadInt32();
+        Skip(2);
+        std::uint16_t sectionIndex = ReadInt16();
+        if (sectionIndex == SHN_COMMON)
+            commonSymbolVec.push_back(sym);
+    }
+
+    for (const Symbol& sym : commonSymbolVec)
+    {
+        Seek(s_strtabOffset + sym.nameOffset);
+        std::string name = ReadString();
+        commonSymbols[name] = sym.size;
+    }
+
+    return commonSymbols;
+}

tools/ramscrgen/elf.h

@@ -0,0 +1,30 @@
+// Copyright(c) 2016 YamaArashi
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#ifndef ELF_H
+#define ELF_H
+
+#include <cstdint>
+#include <map>
+#include <string>
+
+std::map<std::string, std::uint32_t> GetCommonSymbols(std::string path);
+
+#endif // ELF_H

tools/ramscrgen/main.cpp

@@ -0,0 +1,168 @@
+// Copyright(c) 2016 YamaArashi
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#include <cstdio>
+#include <cstring>
+#include <string>
+#include "ramscrgen.h"
+#include "sym_file.h"
+#include "elf.h"
+
+void HandleCommonInclude(std::string filename, std::string sourcePath, std::string symOrderPath)
+{
+    auto commonSymbols = GetCommonSymbols(sourcePath + "/" + filename);
+
+    std::size_t dotIndex = filename.find_last_of('.');
+
+    if (dotIndex == std::string::npos)
+        FATAL_ERROR("error: \"%s\" doesn't have a file extension\n", filename.c_str());
+
+    std::string symOrderFilename = filename.substr(0, dotIndex + 1) + "txt";
+
+    SymFile symFile(symOrderPath + "/" + symOrderFilename);
+
+    while (!symFile.IsAtEnd())
+    {
+        std::string label = symFile.GetLabel(false);
+
+        if (label.length() == 0)
+        {
+            unsigned long length;
+            if (symFile.ReadInteger(length))
+            {
+                if (length & 3)
+                    symFile.RaiseWarning("gap length %d is not multiple of 4", length);
+                printf(". += 0x%lX;\n", length);
+            }
+        }
+        else
+        {
+            if (commonSymbols.count(label) == 0)
+                symFile.RaiseError("no common symbol named \"%s\"", label.c_str());
+            unsigned long size = commonSymbols[label];
+            int alignment = 4;
+            if (size > 4)
+                alignment = 8;
+            if (size > 8)
+                alignment = 16;
+            printf(". = ALIGN(%d);\n", alignment);
+            printf("%s = .;\n", label.c_str());
+            printf(". += 0x%lX;\n", size);
+        }
+
+        symFile.ExpectEmptyRestOfLine();
+    }
+}
+
+void ConvertSymFile(std::string filename, std::string sectionName, bool common, std::string sourcePath, std::string commonSymPath)
+{
+    SymFile symFile(filename);
+
+    while (!symFile.IsAtEnd())
+    {
+        Directive directive = symFile.GetDirective();
+
+        switch (directive)
+        {
+        case Directive::Include:
+        {
+            std::string incFilename = symFile.ReadPath();
+            symFile.ExpectEmptyRestOfLine();
+            printf(". = ALIGN(4);\n");
+            if (common)
+                HandleCommonInclude(incFilename, sourcePath, commonSymPath);
+            else
+                printf("%s(%s);\n", incFilename.c_str(), sectionName.c_str());
+            break;
+        }
+        case Directive::Space:
+        {
+            unsigned long length;
+            if (!symFile.ReadInteger(length))
+                symFile.RaiseError("expected integer after .space directive");
+            symFile.ExpectEmptyRestOfLine();
+            printf(". += 0x%lX;\n", length);
+            break;
+        }
+        case Directive::Align:
+        {
+            unsigned long amount;
+            if (!symFile.ReadInteger(amount))
+                symFile.RaiseError("expected integer after .align directive");
+            if (amount > 4)
+                symFile.RaiseError("max alignment amount is 4");
+            amount = 1UL << amount;
+            symFile.ExpectEmptyRestOfLine();
+            printf(". = ALIGN(%lu);\n", amount);
+            break;
+        }
+        case Directive::Unknown:
+        {
+            std::string label = symFile.GetLabel();
+
+            if (label.length() != 0)
+            {
+                printf("%s = .;\n", label.c_str());
+            }
+
+            symFile.ExpectEmptyRestOfLine();
+
+            break;
+        }
+        }
+    }
+}
+
+int main(int argc, char **argv)
+{
+    if (argc < 3)
+    {
+        fprintf(stderr, "Usage: %s SECTION_NAME SYM_FILE [-c SRC_PATH,COMMON_SYM_PATH]", argv[0]);
+        return 1;
+    }
+
+    bool common = false;
+    std::string sectionName = std::string(argv[1]);
+    std::string symFileName = std::string(argv[2]);
+    std::string sourcePath;
+    std::string commonSymPath;
+
+    if (argc > 3)
+    {
+        if (std::strcmp(argv[3], "-c") != 0)
+            FATAL_ERROR("error: unrecognized argument \"%s\"\n", argv[4]);
+
+        if (argc < 5)
+            FATAL_ERROR("error: missing SRC_PATH,COMMON_SYM_PATH after \"-c\"\n");
+
+        common = true;
+        std::string paths = std::string(argv[4]);
+        std::size_t commaPos = paths.find(',');
+
+        if (commaPos == std::string::npos)
+            FATAL_ERROR("error: missing comma in argument after \"-c\"\n");
+
+        sourcePath = paths.substr(0, commaPos);
+        commonSymPath = paths.substr(commaPos + 1);
+    }
+
+    ConvertSymFile(symFileName, sectionName, common, sourcePath, commonSymPath);
+    return 0;
+}

tools/ramscrgen/ramscrgen.h

@@ -0,0 +1,49 @@
+// Copyright(c) 2016 YamaArashi
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#ifndef RAMSCRGEN_H
+#define RAMSCRGEN_H
+
+#include <cstdio>
+#include <cstdlib>
+
+#ifdef _MSC_VER
+
+#define FATAL_ERROR(format, ...)               \
+do                                             \
+{                                              \
+    std::fprintf(stderr, format, __VA_ARGS__); \
+    std::exit(1);                              \
+} while (0)
+
+#else
+
+#define FATAL_ERROR(format, ...)                 \
+do                                               \
+{                                                \
+    std::fprintf(stderr, format, ##__VA_ARGS__); \
+    std::exit(1);                                \
+} while (0)
+
+#endif // _MSC_VER
+
+const int kMaxPath = 256;
+
+#endif // RAMSCRGEN_H

tools/ramscrgen/sym_file.cpp

@@ -0,0 +1,425 @@
+// Copyright(c) 2016 YamaArashi
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#include <cstdio>
+#include <cstdarg>
+#include <climits>
+#include "ramscrgen.h"
+#include "sym_file.h"
+#include "char_util.h"
+
+SymFile::SymFile(std::string filename) : m_filename(filename)
+{
+    FILE *fp = std::fopen(filename.c_str(), "rb");
+
+    if (fp == NULL)
+        FATAL_ERROR("Failed to open \"%s\" for reading.\n", filename.c_str());
+
+    std::fseek(fp, 0, SEEK_END);
+
+    m_size = std::ftell(fp);
+
+    if (m_size < 0)
+        FATAL_ERROR("File size of \"%s\" is less than zero.\n", filename.c_str());
+
+    m_buffer = new char[m_size + 1];
+
+    std::rewind(fp);
+
+    if (std::fread(m_buffer, m_size, 1, fp) != 1)
+        FATAL_ERROR("Failed to read \"%s\".\n", filename.c_str());
+
+    m_buffer[m_size] = 0;
+
+    std::fclose(fp);
+
+    m_pos = 0;
+    m_lineNum = 1;
+    m_lineStart = 0;
+
+    RemoveComments();
+}
+
+SymFile::SymFile(SymFile&& other) : m_filename(std::move(other.m_filename))
+{
+    m_buffer = other.m_buffer;
+    m_pos = other.m_pos;
+    m_size = other.m_size;
+    m_lineNum = other.m_lineNum;
+    m_lineStart = other.m_lineStart;
+
+    other.m_buffer = nullptr;
+}
+
+SymFile::~SymFile()
+{
+    delete[] m_buffer;
+}
+
+// Removes comments to simplify further processing.
+// It stops upon encountering a null character,
+// which may or may not be the end of file marker.
+// If it's not, the error will be caught later.
+void SymFile::RemoveComments()
+{
+    long pos = 0;
+    char stringChar = 0;
+
+    for (;;)
+    {
+        if (m_buffer[pos] == 0)
+            return;
+
+        if (stringChar != 0)
+        {
+            if (m_buffer[pos] == '\\' && m_buffer[pos + 1] == stringChar)
+            {
+                pos += 2;
+            }
+            else
+            {
+                if (m_buffer[pos] == stringChar)
+                    stringChar = 0;
+                pos++;
+            }
+        }
+        else if (m_buffer[pos] == '@' && (pos == 0 || m_buffer[pos - 1] != '\\'))
+        {
+            while (m_buffer[pos] != '\n' && m_buffer[pos] != 0)
+                m_buffer[pos++] = ' ';
+        }
+        else if (m_buffer[pos] == '/' && m_buffer[pos + 1] == '*')
+        {
+            m_buffer[pos++] = ' ';
+            m_buffer[pos++] = ' ';
+
+            char commentStringChar = 0;
+
+            for (;;)
+            {
+                if (m_buffer[pos] == 0)
+                    return;
+
+                if (commentStringChar != 0)
+                {
+                    if (m_buffer[pos] == '\\' && m_buffer[pos + 1] == commentStringChar)
+                    {
+                        m_buffer[pos++] = ' ';
+                        m_buffer[pos++] = ' ';
+                    }
+                    else
+                    {
+                        if (m_buffer[pos] == commentStringChar)
+                            commentStringChar = 0;
+                        if (m_buffer[pos] != '\n')
+                            m_buffer[pos] = ' ';
+                        pos++;
+                    }
+                }
+                else
+                {
+                    if (m_buffer[pos] == '*' && m_buffer[pos + 1] == '/')
+                    {
+                        m_buffer[pos++] = ' ';
+                        m_buffer[pos++] = ' ';
+                        break;
+                    }
+                    else
+                    {
+                        if (m_buffer[pos] == '"' || m_buffer[pos] == '\'')
+                            commentStringChar = m_buffer[pos];
+                        if (m_buffer[pos] != '\n')
+                            m_buffer[pos] = ' ';
+                        pos++;
+                    }
+                }
+            }
+        }
+        else
+        {
+            if (m_buffer[pos] == '"' || m_buffer[pos] == '\'')
+                stringChar = m_buffer[pos];
+            pos++;
+        }
+    }
+}
+
+// Checks if we're at a particular directive and if so, consumes it.
+// Returns whether the directive was found.
+bool SymFile::CheckForDirective(std::string name)
+{
+    long i;
+    long length = static_cast<long>(name.length());
+
+    for (i = 0; i < length && m_pos + i < m_size; i++)
+        if (name[i] != m_buffer[m_pos + i])
+            return false;
+
+    if (i < length)
+        return false;
+
+    m_pos += length;
+
+    return true;
+}
+
+// Checks if we're at a known directive and if so, consumes it.
+// Returns which directive was found.
+Directive SymFile::GetDirective()
+{
+    SkipWhitespace();
+
+    if (CheckForDirective(".include"))
+        return Directive::Include;
+    else if (CheckForDirective(".space"))
+        return Directive::Space;
+    else if (CheckForDirective(".align"))
+        return Directive::Align;
+    else
+        return Directive::Unknown;
+}
+
+// Checks if we're at label.
+// Returns the name if so and an empty string if not.
+std::string SymFile::GetLabel(bool requireColon)
+{
+    long start = m_pos;
+    long pos = m_pos;
+
+    if (IsIdentifierStartingChar(m_buffer[pos]))
+    {
+        pos++;
+
+        while (IsIdentifierChar(m_buffer[pos]))
+            pos++;
+    }
+
+    if (requireColon)
+    {
+        if (m_buffer[pos] == ':')
+        {
+            if (pos != start)
+                m_pos = pos + 1;
+        }
+        else
+        {
+            pos = start;
+        }
+    }
+    else
+    {
+        m_pos = pos;
+    }
+
+    return std::string(&m_buffer[start], pos - start);
+}
+
+// Skips tabs and spaces.
+void SymFile::SkipWhitespace()
+{
+    while (m_buffer[m_pos] == '\t' || m_buffer[m_pos] == ' ')
+        m_pos++;
+}
+
+// Reads include path.
+std::string SymFile::ReadPath()
+{
+    SkipWhitespace();
+
+    if (m_buffer[m_pos] != '"')
+        RaiseError("expected file path");
+
+    m_pos++;
+
+    int length = 0;
+    long startPos = m_pos;
+
+    while (m_buffer[m_pos] != '"')
+    {
+        unsigned char c = m_buffer[m_pos++];
+
+        if (c == 0)
+        {
+            if (m_pos >= m_size)
+                RaiseError("unexpected EOF in include string");
+            else
+                RaiseError("unexpected null character in include string");
+        }
+
+        if (!IsAsciiPrintable(c))
+            RaiseError("unexpected character '\\x%02X' in include string", c);
+
+        // Don't bother allowing any escape sequences.
+        if (c == '\\')
+        {
+            c = m_buffer[m_pos];
+            RaiseError("unexpected escape '\\%c' in include string", c);
+        }
+
+        length++;
+
+        if (length > kMaxPath)
+            RaiseError("path is too long");
+    }
+
+    m_pos++; // Go past the right quote.
+
+    return std::string(&m_buffer[startPos], length);
+}
+
+// If we're at a comma, consumes it.
+// Returns whether a comma was found.
+bool SymFile::ConsumeComma()
+{
+    if (m_buffer[m_pos] == ',')
+    {
+        m_pos++;
+        return true;
+    }
+
+    return false;
+}
+
+// Converts digit character to numerical value.
+static int ConvertDigit(char c, int radix)
+{
+    int digit;
+
+    if (c >= '0' && c <= '9')
+        digit = c - '0';
+    else if (c >= 'A' && c <= 'F')
+        digit = 10 + c - 'A';
+    else if (c >= 'a' && c <= 'f')
+        digit = 10 + c - 'a';
+    else
+        return -1;
+
+    return (digit < radix) ? digit : -1;
+}
+
+// Reads an integer.
+bool SymFile::ReadInteger(unsigned long& n)
+{
+    SkipWhitespace();
+
+    if (!IsAsciiDigit(m_buffer[m_pos]))
+        return false;
+
+    int startPos = m_pos;
+    int radix = 10;
+
+    if (m_buffer[m_pos] == '0' && m_buffer[m_pos + 1] == 'x')
+    {
+        radix = 16;
+        m_pos += 2;
+    }
+
+    unsigned long cutoff = ULONG_MAX / radix;
+    unsigned long cutoffRemainder = ULONG_MAX % radix;
+    int digit;
+
+    n = 0;
+
+    while ((digit = ConvertDigit(m_buffer[m_pos], radix)) != -1)
+    {
+        if (n < cutoff || (n == cutoff && (unsigned long)digit <= cutoffRemainder))
+        {
+            n = n * radix + digit;
+        }
+        else
+        {
+            m_pos++;
+
+            while (ConvertDigit(m_buffer[m_pos], radix) != -1)
+                m_pos++;
+
+            RaiseError("integer is too large (%s)", std::string(&m_buffer[startPos], m_pos - startPos).c_str());
+        }
+
+        m_pos++;
+    }
+
+    return true;
+}
+
+// Asserts that the rest of the line is empty and moves to the next one.
+void SymFile::ExpectEmptyRestOfLine()
+{
+    SkipWhitespace();
+
+    if (m_buffer[m_pos] == 0)
+    {
+        if (m_pos >= m_size)
+            RaiseWarning("file doesn't end with newline");
+        else
+            RaiseError("unexpected null character");
+    }
+    else if (m_buffer[m_pos] == '\n')
+    {
+        m_pos++;
+        m_lineStart = m_pos;
+        m_lineNum++;
+    }
+    else if (m_buffer[m_pos] == '\r')
+    {
+        RaiseError("only Unix-style LF newlines are supported");
+    }
+    else
+    {
+        RaiseError("junk at end of line");
+    }
+}
+
+// Checks if we're at the end of the file.
+bool SymFile::IsAtEnd()
+{
+    return (m_pos >= m_size);
+}
+
+// Reports a diagnostic message.
+void SymFile::ReportDiagnostic(const char* type, const char* format, std::va_list args)
+{
+    const int bufferSize = 1024;
+    char buffer[bufferSize];
+    std::vsnprintf(buffer, bufferSize, format, args);
+    std::fprintf(stderr, "%s:%ld: %s: %s\n", m_filename.c_str(), m_lineNum, type, buffer);
+}
+
+#define DO_REPORT(type)                   \
+do                                        \
+{                                         \
+    std::va_list args;                    \
+    va_start(args, format);               \
+    ReportDiagnostic(type, format, args); \
+    va_end(args);                         \
+} while (0)
+
+// Reports an error diagnostic and terminates the program.
+void SymFile::RaiseError(const char* format, ...)
+{
+    DO_REPORT("error");
+    std::exit(1);
+}
+
+// Reports a warning diagnostic.
+void SymFile::RaiseWarning(const char* format, ...)
+{
+    DO_REPORT("warning");
+}

tools/ramscrgen/sym_file.h

@@ -0,0 +1,68 @@
+// Copyright(c) 2016 YamaArashi
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#ifndef SYM_FILE_H
+#define SYM_FILE_H
+
+#include <cstdarg>
+#include <cstdint>
+#include <string>
+#include "ramscrgen.h"
+
+enum class Directive
+{
+    Include,
+    Space,
+    Align,
+    Unknown
+};
+
+class SymFile
+{
+public:
+    SymFile(std::string filename);
+    SymFile(SymFile&& other);
+    SymFile(const SymFile&) = delete;
+    ~SymFile();
+    Directive GetDirective();
+    std::string GetLabel(bool requireColon = true);
+    std::string ReadPath();
+    bool ReadInteger(unsigned long& value);
+    void ExpectEmptyRestOfLine();
+    bool IsAtEnd();
+    void RaiseError(const char* format, ...);
+    void RaiseWarning(const char* format, ...);
+
+private:
+    char* m_buffer;
+    long m_pos;
+    long m_size;
+    long m_lineNum;
+    long m_lineStart;
+    std::string m_filename;
+
+    bool ConsumeComma();
+    void RemoveComments();
+    bool CheckForDirective(std::string name);
+    void SkipWhitespace();
+    void ReportDiagnostic(const char* type, const char* format, std::va_list args);
+};
+
+#endif // SYM_FILE_H