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Direktori : /usr/lib/modules/6.8.0-41-generic/build/scripts/ |
Current File : //usr/lib/modules/6.8.0-41-generic/build/scripts/objdump-func |
#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # Disassemble a single function. # # usage: objdump-func <file> <func> [<func> ...] set -o errexit set -o nounset OBJDUMP="${CROSS_COMPILE:-}objdump" command -v gawk >/dev/null 2>&1 || die "gawk isn't installed" usage() { echo "usage: objdump-func <file> <func> [<func> ...]" >&2 exit 1 } [[ $# -lt 2 ]] && usage OBJ=$1; shift FUNCS=("$@") ${OBJDUMP} -wdr $OBJ | gawk -M -v _funcs="${FUNCS[*]}" ' BEGIN { split(_funcs, funcs); } /^$/ { func_match=0; } /<.*>:/ { f = gensub(/.*<(.*)>:/, "\\1", 1); for (i in funcs) { # match compiler-added suffixes like ".cold", etc if (f ~ "^" funcs[i] "(\\..*)?") { func_match = 1; base = strtonum("0x" $1); break; } } } { if (func_match) { addr = strtonum("0x" $1); printf("%04x ", addr - base); print; } }'