scripts: switch to {cross}readelf

It's done to avoid using host readelf, which may be incompatible (especially on macOS) with gcc version currently supported on Phoenix-RTOS.

JIRA: CI-313

scripts/mkimg-app-stm32.sh

@@ -42,7 +42,7 @@ i=$i+4
 SYSPAGESZ=$i
 for app in $@; do
 	SYSPAGESZ=$SYSPAGESZ+20
-	SEGMENTS=`readelf -l $app | grep "LOAD" | wc -l`
+	SEGMENTS=`${CROSS}readelf -l $app | grep "LOAD" | wc -l`
 
 	for (( j=1; j<=$SEGMENTS; j++ )); do
 		SYSPAGESZ=$SYSPAGESZ+24
@@ -56,25 +56,25 @@ for app in $@; do
 	echo "Proccessing $app"
 	k=0
 
-	ENTRY=$((`readelf -l $app | grep "Entry point" | awk '{ print $3 }'`))
+	ENTRY=$((`${CROSS}readelf -l $app | grep "Entry point" | awk '{ print $3 }'`))
 	ENTRY=$(($ENTRY+$OFFSET-$APP_START-$(($i-$k))))
 	printf "%08x %08x\n" $i $ENTRY >> syspage.hex #entry
 	i=$i+4
 	k=$k+4
 
-	SEGMENTS=`readelf -l $app | grep "LOAD" | wc -l`
+	SEGMENTS=`${CROSS}readelf -l $app | grep "LOAD" | wc -l`
 	printf "%08x %08x\n" $i $SEGMENTS >> syspage.hex #hdrssz
 	i=$i+4
 	k=$k+4
 
 	printf "%08x " $i >> syspage.hex
-	echo `readelf -S $app | grep ".got" | awk '{ print $5 }'` >> syspage.hex
+	echo `${CROSS}readelf -S $app | grep ".got" | awk '{ print $5 }'` >> syspage.hex
 	i=$i+4
 	k=$k+4
 
 	printf "%08x " $i >> syspage.hex
 	echo -n "00" >> syspage.hex
-	echo `readelf -S $app | grep ".got" | awk '{ print $7 }'` >> syspage.hex
+	echo `${CROSS}readelf -S $app | grep ".got" | awk '{ print $7 }'` >> syspage.hex
 	i=$i+4
 	k=$k+4
 
@@ -87,7 +87,7 @@ for app in $@; do
 	k=$k+4
 
 	for (( j=1; j<=$SEGMENTS; j++ )); do
-		LINE=`readelf -l $app | grep "LOAD" | sed -n ${j}p`
+		LINE=`${CROSS}readelf -l $app | grep "LOAD" | sed -n ${j}p`
 
 		VIRTADDR=`echo $LINE | awk '{ print $3 }'`
 		PHYSADDR=`echo $LINE | awk '{ print $4 }'`

scripts/mkimg-stm32.sh

@@ -49,7 +49,7 @@ STRIP_OPT="--strip-unneeded -R .symtab"
 
 SIZE_PAGE=$((0x800))
 PAGE_MASK=$((~($SIZE_PAGE-1)))
-KERNEL_END=$(($(readelf -l $KERNELELF | awk '/LOAD/ && /R E/ { print $6 }')))
+KERNEL_END=$(($(${CROSS}readelf -l $KERNELELF | awk '/LOAD/ && /R E/ { print $6 }')))
 FLASH_START=$((0x08000000))
 SYSPAGE_OFFSET=$((2048))
 
@@ -112,7 +112,7 @@ for arg in "$@"; do
 	cp $app tmp.elf
 	${CROSS}strip $STRIP_OPT tmp.elf
 	printf "App %s @offset 0x%08x\n" $app $OFFSET
-	ELFOFFS=$(($(readelf -l $app | awk '/LOAD/ && /R E/ { print $2 }')))
+	ELFOFFS=$(($(${CROSS}readelf -l $app | awk '/LOAD/ && /R E/ { print $2 }')))
 	printf "add-symbol-file %s 0x%08x\n" $(realpath $app) $((OFFSET + $FLASH_START + $ELFOFFS)) >> $GDB_SYM_FILE
 	dd if=tmp.elf of=$OUTPUT bs=1 seek=$OFFSET 2>/dev/null
 	OFFSET=$((($OFFSET + $(wc -c < tmp.elf) + $SIZE_PAGE - 1)&$PAGE_MASK))