From 10a88b6a716a5ed75fd924da93015593e9f25296 Mon Sep 17 00:00:00 2001 From: PikalaxALT Date: Wed, 26 Jun 2019 20:12:40 -0400 Subject: [PATCH] Simplify ld_script for modern, use devkitARM libs --- Makefile | 14 +++- ld_script_modern.txt | 162 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 173 insertions(+), 3 deletions(-) create mode 100644 ld_script_modern.txt diff --git a/Makefile b/Makefile index b23b278be4..a47c45135a 100644 --- a/Makefile +++ b/Makefile @@ -39,18 +39,20 @@ CC1 := tools/agbcc/bin/agbcc$(EXE) override CFLAGS += -mthumb-interwork -Wimplicit -Wparentheses -Werror -O2 -fhex-asm ROM := pokeemerald.gba OBJ_DIR := build/emerald +LIBPATH := -L ../../tools/agbcc/lib else CC1 := $(shell $(PREFIX)gcc --print-prog-name=cc1) override CFLAGS += -mthumb -mthumb-interwork -O2 -mabi=apcs-gnu -mtune=arm7tdmi -march=armv4t -quiet -fno-toplevel-reorder -Wno-aggressive-loop-optimizations -Wno-pointer-to-int-cast ROM := pokeemerald_modern.gba OBJ_DIR := build/modern +LIBPATH := -L $(DEVKITARM)/lib/gcc/arm-none-eabi/*/thumb -L $(DEVKITARM)/arm-none-eabi/lib/thumb endif CPPFLAGS := -I tools/agbcc/include -I tools/agbcc -iquote include -Wno-trigraphs -DMODERN=$(MODERN) LDFLAGS = -Map ../../$(MAP) -LIB := -L ../../tools/agbcc/lib -lgcc -lc +LIB := $(LIBPATH) -lgcc -lc SHA1 := $(shell { command -v sha1sum || command -v shasum; } 2>/dev/null) -c GFX := tools/gbagfx/gbagfx$(EXE) @@ -204,8 +206,14 @@ $(OBJ_DIR)/sym_common.ld: sym_common.txt $(C_OBJS) $(wildcard common_syms/*.txt) $(OBJ_DIR)/sym_ewram.ld: sym_ewram.txt $(RAMSCRGEN) ewram_data $< ENGLISH > $@ -$(OBJ_DIR)/ld_script.ld: ld_script.txt $(OBJ_DIR)/sym_bss.ld $(OBJ_DIR)/sym_common.ld $(OBJ_DIR)/sym_ewram.ld - cd $(OBJ_DIR) && sed "s#tools/#../../tools/#g" ../../ld_script.txt > ld_script.ld +ifeq ($(MODERN),0) +LD_SCRIPT := ld_script.txt +else +LD_SCRIPT := ld_script_modern.txt +endif + +$(OBJ_DIR)/ld_script.ld: $(LD_SCRIPT) $(OBJ_DIR)/sym_bss.ld $(OBJ_DIR)/sym_common.ld $(OBJ_DIR)/sym_ewram.ld + cd $(OBJ_DIR) && sed "s#tools/#../../tools/#g" ../../$(LD_SCRIPT) > ld_script.ld $(ELF): $(OBJ_DIR)/ld_script.ld $(OBJS) cd $(OBJ_DIR) && $(LD) $(LDFLAGS) -T ld_script.ld -o ../../$@ $(OBJS_REL) $(LIB) diff --git a/ld_script_modern.txt b/ld_script_modern.txt new file mode 100644 index 0000000000..22884ae44f --- /dev/null +++ b/ld_script_modern.txt @@ -0,0 +1,162 @@ +ENTRY(Start) + +gNumMusicPlayers = 4; +gMaxLines = 0; + +SECTIONS { + . = 0x2000000; + + ewram (NOLOAD) : + ALIGN(4) + { + gHeap = .; + + . = 0x1C000; + + INCLUDE "sym_ewram.ld" + + . = 0x40000; +} + + . = 0x3000000; + + iwram (NOLOAD) : + ALIGN(4) + { + /* .bss starts at 0x3000000 */ + INCLUDE "sym_bss.ld" + + /* .bss.code starts at 0x3001AA8 */ + src/m4a.o(.bss.code); + + /* COMMON starts at 0x30022A8 */ + INCLUDE "sym_common.ld" + *libc.a:sbrkr.o(COMMON); + end = .; + . = 0x8000; + } + + . = 0x8000000; + + .text : + ALIGN(4) + { + asm/crt0.o(.text); + src/*.o(.text); + asm/*.o(.text); + } =0 + + script_data : + ALIGN(4) + { + data/event_scripts.o(script_data); + data/battle_anim_scripts.o(script_data); + data/battle_scripts_1.o(script_data); + data/field_effect_scripts.o(script_data); + data/battle_scripts_2.o(script_data); + data/battle_ai_scripts.o(script_data); + data/contest_ai_scripts.o(script_data); + data/mystery_event_script_cmd_table.o(script_data); + } =0 + + lib_text : + ALIGN(4) + { + asm/libgcnmultiboot.o(.text); + asm/m4a_1.o(.text); + src/m4a.o(.text); + src/agb_flash.o(.text); + src/agb_flash_1m.o(.text); + src/agb_flash_mx.o(.text); + src/siirtc.o(.text); + src/librfu_stwi.o(.text); + src/librfu_intr.o(.text); + asm/librfu_intr.o(.text); + src/librfu_rfu.o(.text); + asm/librfu.o(.text); + asm/libagbsyscall.o(.text); + *libgcc.a:*.o(.text*); + *libc.a:*.o(.text*); + src/libisagbprn.o(.text); + } =0 + + .rodata : + ALIGN(4) + { + src/*.o(.rodata*); + data/*.o(.rodata*); + } =0 + + song_data : + ALIGN(4) + { + sound/songs/*.o(.rodata); + } =0 + + lib_rodata : + SUBALIGN(4) + { + src/m4a.o(.rodata); + src/agb_flash.o(.rodata); + src/agb_flash_1m.o(.rodata); + src/agb_flash_mx.o(.rodata); + src/agb_flash_le.o(.rodata); + src/siirtc.o(.rodata); + data/librfu_rodata.o(.rodata); + *libgcc.a:*.o(.rodata*); + *libc.a:*.o(.rodata*); + *libc.a:*.o(.data*); + src/libisagbprn.o(.rodata); + } =0 + + other_data : + ALIGN(4) + { + data/unknown_serial_data.o(.rodata); + data/multiboot_berry_glitch_fix.o(.rodata); + data/multiboot_pokemon_colosseum.o(.rodata); + } =0 + + anim_mon_front_pic_data : + ALIGN(4) + { + src/anim_mon_front_pics.o(.rodata); + } =0 + + gfx_data : + ALIGN(4) + { + src/graphics.o(.rodata); + } =0 + + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to the beginning + of the section so we begin them at 0. */ + + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + + /* Discard everything not specifically mentioned above. */ + /DISCARD/ : + { + *(*); + } +}