Quelle objdump-func Sprache: unbekannt

#!/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;
  }
}'

Quelle objdump-func Sprache: unbekannt

[ Dauer der Verarbeitung: 0.20 Sekunden (vorverarbeitet) ]