More labels; add WIP build script

build_newlib.sh

@@ -0,0 +1,88 @@
+#!/bin/sh
+
+# Put this in newlib-1.8.2/newlib/libc (version not final)
+
+AGBCC=${HOME}/pmd-red/tools/agbcc  # change this to wherever you keep your agbcc source
+
+# Make sure DEVKITARM is defined in your environment, otherwise this will fail
+
+CPP=cpp
+CPPFLAGS="-undef -nostdinc -I${AGBCC}/include -Ilibc/include -iquote libm/common -D__thumb__ -D__GNUC__"
+CC1=${AGBCC}/bin/old_agbcc
+CCFLAGS="-O2 -fhex-asm"
+AS=${DEVKITARM}/bin/arm-none-eabi-as
+ASFLAGS="-mcpu=arm7tdmi"
+AR=ar
+ARFLAGS="-rc"
+
+dummy=
+
+names="
+	libc/string/memcpy
+	libc/string/memset
+	libc/stdio/sprintf
+	libc/string/strcat
+	libc/string/strcmp
+	libc/string/strcpy
+	libc/string/strlen
+	libc/string/strncpy
+	libc/stdio/vfprintf
+	libc/stdio/vsprintf
+	libc/stdio/wsetup
+	libc/stdlib/dtoa
+	libc/stdio/fflush
+	libc/stdio/findfp
+	${dummy# libc/stdlib/mallocr:FREE}
+	libc/stdio/fvwrite
+	libc/stdio/fwalk
+	libc/locale/locale
+	libc/stdio/makebuf
+	${dummy# libc/stdlib/mallocr:MALLOC}
+	libc/stdlib/mbtowc
+	libc/string/memchr
+	libc/string/memmove
+	libc/stdlib/mlock
+	libc/stdlib/mprec
+	libm/math/s_isinf
+	libm/math/s_isnan
+	libc/reent/sbrkr
+	libc/stdio/stdio
+	libc/sys/arm/syscalls
+	libc/reent/writer
+	${dummy# libc/stdlib/mallocr:CALLOC}
+"
+
+compile () {
+	lib=$1
+	name=$2
+	outp=$3
+	ADDCPPFLAGS="$4"
+	${CPP} ${CPPFLAGS} ${ADDCPPFLAGS} -o ${outp}.i ${name}.c && \
+	${CC1} ${CCFLAGS} ${outp}.i && \
+	rm -f ${outp}.i && \
+	bash -c 'echo -e ".text\n\t.align\t2, 0\n"' >> ${outp}.s && \
+	${AS} ${ASFLAGS} -o ${outp}.o ${outp}.s && \
+	# rm -f ${outp}.s && \
+	${AR} ${ARFLAGS} tmp${lib}.a ${outp}.o && \
+	rm -f ${outp}.o || echo error in ${name}
+}
+
+rm -f tmplibc.a tmplibm.a
+set -e
+for name in $(echo ${names})
+do
+    echo ${name}
+    lib=$(echo ${name} | cut -d'/' -f1)
+    compile ${lib} ${name} ${name} ""
+done
+
+# For some reason the two halves of mallocr are assembled separately
+
+for comp in MALLOC FREE CALLOC
+do
+	echo stdlib/mallocr with ${comp}
+	compile libc libc/stdlib/mallocr libc/stdlib/mallocr_${comp} "-DINTERNAL_NEWLIB -DDEFINE_${comp}"
+done
+
+mv tmplibc.a libc.a
+mv tmplibm.a libm.a

data/libc_data.s

@@ -98,8 +98,8 @@ gUnknown_826FEB4: @ 826FEB4
 	.4byte 125
 
 	.align 2, 0
-	.global gUnknown_826FEC0
-gUnknown_826FEC0: @ 826FEC0
+	.global __mprec_tens
+__mprec_tens: @ 826FEC0
 	.8byte 0x000000003ff00000 @ 1e0
 	.8byte 0x0000000040240000 @ 1e1
 	.8byte 0x0000000040590000 @ 1e2
@@ -127,15 +127,17 @@ gUnknown_826FEC0: @ 826FEC0
 	.8byte 0x79d99db444ea7843 @ 1e24
 
 	.align 2, 0
-	.global gUnknown_826FF88
-gUnknown_826FF88: @ 826FF88
-	@ big tens
+	.global __mprec_bigtens
+__mprec_bigtens: @ 826FF88
 	.8byte 0x37e080004341c379 @ 1e16
 	.8byte 0xb5056e174693b8b5 @ 1e32
 	.8byte 0xe93ff9f54d384f03 @ 1e64
 	.8byte 0xf9301d325a827748 @ 1e128
 	.8byte 0x7f73bf3c75154fdd @ 1e256
-	@ tiny tenths
+
+	.align 2, 0
+	.global __mprec_tinytens
+__mprec_tinytens:
 	.8byte 0x97d889bc3c9cd2b2 @ 1e-16
 	.8byte 0xd5a8a7333949f623 @ 1e-32
 	.8byte 0x44f4a73d32a50ffd @ 1e-64

sym_ewram2.txt

@@ -1,17 +1,17 @@
 	.align 2
-gUnknown_2039E18: @ 2039E18
+heap_end: @ 2039E18
 	.space 0x4
 
-gUnknown_2039E1C: @ 2039E1C
+monitor_stdin: @ 2039E1C
 	.space 0x4
 
-gUnknown_2039E20: @ 2039E20
+monitor_stdout: @ 2039E20
 	.space 0x4
 
-gUnknown_2039E24: @ 2039E24
+monitor_stderr: @ 2039E24
 	.space 0x4
 
-gUnknown_2039E28: @ 2039E28
+openfiles: @ 2039E28
 	.space 0xA8
 
 gUnknown_2039ED0: @ 2039ED0
@@ -59,7 +59,7 @@ EraseFlashSector: @ 203B02C
 gFlashMaxTime: @ 203B030
 	.space 0x4
 
-gUnknown_203B034: @ 203B034
+errno: @ 203B034
 	.space 0x4
 
 alt_203B038: