added .gdbinit, script.gdb, Makefile, app.s

Author: toddbranch

.gdbinit

@@ -0,0 +1,4 @@
+target remote localhost:2000
+b *0xc000
+disp/3i $pc
+source script.gdb

.gitignore

@@ -0,0 +1 @@
+*.swp

Makefile

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+APP=app
+MCU=msp430g2553
+
+AS=msp430-as
+LD=msp430-ld
+COMMON=-Wall -v
+ASFLAGS += -mmcu=$(MCU) $(COMMON)
+
+all:	clean assembly load
+
+assembly:
+	$(AS) $(ASFLAGS) $(APP).S -o $(APP).o
+
+load:
+	$(LD) -o $(APP).elf $(APP).o -L /usr/msp430/lib/ldscripts/msp430g2553/ -T /usr/msp430/lib/ldscripts/msp430.x
+
+dis-obj:
+	msp430-objdump -D $(APP).o > dis-obj.lss
+
+dis-elf:
+	msp430-objdump -D $(APP).elf > dis-elf.lss
+
+hex-dump-obj:
+	msp430-readelf --hex-dump=.text $(APP).o > dump-obj.lss
+
+hex-dump-elf:
+	msp430-readelf --hex-dump=.text $(APP).elf > dump-elf.lss
+
+clean:
+	rm -f $(APP).elf $(APP).o function.o dis-elf.lss dis-obj.lss dump-obj.lss dump-elf.lss

app.s

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+.text
+main:
+    ;code
+
+.section    ".vectors", a
+.org    0x1e
+    .word   main

script.gdb

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+monitor reset
+monitor erase
+load app.elf
+cont