Full support for modern ARM toolchains

Makefile

@@ -15,12 +15,14 @@ endif
 
 ifneq (,$(wildcard $(TOOLCHAIN)/base_tools))
 include $(TOOLCHAIN)/base_tools
+LIBSUBDIR := thumb
 else
 export PATH := $(TOOLCHAIN)/bin:$(PATH)
 PREFIX := arm-none-eabi-
 OBJCOPY := $(PREFIX)objcopy
 export CC := $(PREFIX)gcc
 export AS := $(PREFIX)as
+LIBSUBDIR := thumb/nofp
 endif
 export CPP := $(PREFIX)cpp
 export LD := $(PREFIX)ld
@@ -42,8 +44,7 @@ LIBPATH := -L ../../tools/agbcc/lib
 else
 CC1             := $(shell $(CC) --print-prog-name=cc1) -quiet
 override CFLAGS += -mthumb -mthumb-interwork -O2 -mtune=arm7tdmi -march=armv4t -mabi=apcs-gnu -fno-toplevel-reorder -fno-aggressive-loop-optimizations -Wno-pointer-to-int-cast
-#LIBPATH := -L $(TOOLCHAIN)/lib/gcc/arm-none-eabi/$(GCC_VER)/thumb -L $(TOOLCHAIN)/arm-none-eabi/lib/thumb
-LIBPATH := -L ../../tools/agbcc/lib
+LIBPATH := -L $(shell dirname $(shell $(CC) --print-file-name=libgcc.a)) -L $(shell dirname $(shell $(CC) --print-file-name=libc.a))
 endif
 
 CPPFLAGS := -iquote include -D$(GAME_VERSION) -DREVISION=$(GAME_REVISION) -D$(GAME_LANGUAGE) -DMODERN=$(MODERN)
@@ -77,9 +78,12 @@ ASFLAGS := -mcpu=arm7tdmi --defsym $(GAME_VERSION)=1 --defsym REVISION=$(GAME_RE
 LDFLAGS = -Map ../../$(MAP)
 
 LIB := $(LIBPATH) -lc -lgcc
-#ifneq ($(MODERN),0)
-#LIB += -lsysbase
-#endif
+ifneq ($(MODERN),0)
+ifeq ($(TOOLCHAIN),$(DEVKITARM))
+LIB += -lsysbase -lc
+endif
+LIB += -lnosys
+endif
 
 SHA1 := $(shell { command -v sha1sum || command -v shasum; } 2>/dev/null) -c
 GFX := tools/gbagfx/gbagfx

ld_script_modern.txt

@@ -29,6 +29,7 @@ SECTIONS {
         /* COMMON starts at 0x30022A8 */
         *(COMMON);
         end = .;
+        __end__ = .;
         . = 0x8000;
     }