49 lines
1.7 KiB
Text
49 lines
1.7 KiB
Text
|
#!/bin/bash
|
||
|
|
#
|
||
|
|
# addrsource <addr> [<filename>]
|
||
|
|
#
|
||
|
|
# Given a memory address (in hex), print (if available) the C source code line
|
||
|
|
# and disassembly associated with that address.
|
||
|
|
#
|
||
|
|
# <filename>, if provided, should be the name of the ELF (*.out) file for the
|
||
|
|
# firmware image (typically located in the "build" subdirectory). If
|
||
|
|
# <filename> is not provided, the script will look for a "build" subdirectory
|
||
|
|
# of the current directory, and look in there for a filename matching "*.out"
|
||
|
|
# and use that.
|
||
|
|
|
||
|
|
print_usage() {
|
||
|
|
echo "Usage: $0 addr [file.out]" >&2
|
||
|
|
}
|
||
|
|
|
||
|
|
addr="$1"
|
||
|
|
exefile="$2"
|
||
|
|
|
||
|
|
# If user didn't provide any parameters, or attempted to use a switch (such as
|
||
|
|
# "--help"), just print the usage message and exit. If they provided an 'addr'
|
||
|
|
# parameter, but it didn't start with "0x", then prepend "0x" to it before
|
||
|
|
# continuing..
|
||
|
|
case "$addr" in
|
||
|
|
"") print_usage; exit 1 ;;
|
||
|
|
-*) print_usage; exit 1 ;;
|
||
|
|
0x*) ;;
|
||
|
|
*) addr="0x$addr" ;;
|
||
|
|
esac
|
||
|
|
|
||
|
|
if [[ -z "$exefile" ]]; then
|
||
|
|
# User didn't specify what ELF (.out) file to look things up in.
|
||
|
|
# See if we can find an appropriate .out file in the build subdirectory
|
||
|
|
# (there's usually only one)
|
||
|
|
exefile=$(ls build/*.out)
|
||
|
|
if [[ -z "$exefile" ]] || [[ "${exefile#* }" != "$exefile" ]]; then
|
||
|
|
# Either we couldn't find anything, or we found more than one of them.
|
||
|
|
echo "Unable to determine which .out file to use. You will need to specify it explicitly on the command line." >&2
|
||
|
|
echo "" >&2
|
||
|
|
print_usage
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
|
||
|
|
# All our parameters should be correct now.
|
||
|
|
# Invoke GDB to do the hard work for us...
|
||
|
|
xtensa-lx106-elf-gdb -batch "$exefile" -ex "list *$addr" -ex "info line *$addr" -ex "disassemble $addr"
|