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PROGRAM:

NAME


tos-set-symbols - set initialized variable values in a binary

SYNOPSIS


tos-set-symbols [--objcopy=OBJCOPY] [--objdump=OBJDUMP]
[--target=TARGET]
INPUTFILE OUTPUTFILE [SYMBOL=]VALUE...

tos-set-symbols --srec [--objcopy=OBJCOPY] [--objdump=OBJDUMP]
[--target=TARGET]
INPUTFILE OUTPUTFILE [SYMBOL=]VALUE...

tos-set-symbols --exe [--objcopy=OBJCOPY] [--objdump=OBJDUMP]
INPUTFILE OUTPUTFILE [SYMBOL=]VALUE...

tos-set-symbols --read [--objdump=...] INPUTFILE SYMBOL...

DESCRIPTION


tos-set-symbols is a tool to inspect and modify the initial values of variables in a
binary. It is used by the TinyOS build system to set a node's ID and AM address, for
example, when using install.X or reinstall.X.

tos-set-symbols takes an optional first argument that specifies the format of the binary
being modified or whether it is only being read. By default, it acts as if --srec was
passed. Instead of passing --srec, --exe, the --target option can be used to specify a
target format. This option is passed to objcopy. The --objdump and --objcopy options allow
you to specify which binary tools to use. By default, tos-set-symbols uses avr-objcopy and
avr-objdump.

The SYMBOL parameter refers to a variable in the image to modify or print. If the variable
is in a component, its name is of the form component$variable. If the SYMBOL is omitted,
it defaults to TOS_LOCAL_ADDRESS, for compatibility with the TinyOS 1.x set-mode-id tool.

EXAMPLE


This reads in a micaZ .srec file, changes the value of TOS_NODE_ID to 4, and writes out a
new binary to main.srec.out-4.

tos-set-symbols build/micaz/main.srec build/micaz/main.srec.out-4 \
TOS_NODE_ID=4

This reads in a Telos .srec file, changes the value of TOS_NODE_ID and
ActiveMessageAddressC$addr to 3, and writes out a new binary to main.srec.out-3. It uses
the msp430, rather than the avr, binary tools, and outputs an ihex format executable.

tos-set-symbols --objcopy=msp430-objcopy --objdump=msp430-objdump \
--target=ihex build/telosa/main.ihex build/telosa/main.ihex.out-3 \
TOS_NODE_ID=3 ActiveMessageAddressC$addr=3

Feb 2, 2006 tos-set-symbols(1)

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