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| -rwxr-xr-x | bin/opcode | 293 |
diff --git a/bin/opcode b/bin/opcode deleted file mode 100755 index 544c763..0000000 --- a/bin/opcode +++ /dev/null @@ -1,293 +0,0 @@ -#!/bin/bash -# -# Original see post in: -# -# https://superuser.com/questions/726395/how-to-check-if-a-binary-requires-sse4-or-avx-on-linux -# -# Searches disassembled code for specific instructions. -# -# Opcodes obtained from: https://github.com/Shirk/vim-gas/blob/master/syntax/gas.vim -# -# List of opcodes has been obtained using the following commands and making a few modifications: -# echo '#!/bin/bash' > Opcode_list -# wget -q -O- https://raw.githubusercontent.com/Shirk/vim-gas/master/syntax/gas.vim \ -# | grep -B1 -E 'syn keyword gasOpcode_|syn match gasOpcode' | \ -# sed -e '/^--$/d' -e 's/"-- Section:/\n#/g' \ -# -e 's/syn keyword gasOpcode_\([^\t]*\)*\(\t\)*\(.*\)/Opcode_\1="\${Opcode_\1} \3"/g' \ -# -e 's/Opcode_PENT_3DNOW/Opcode_ATHLON_3DNOW/g' -e 's/\\//g' \ -# -e 's/syn match gasOpcode_\([^\t]*\)*.*\/<\(.*\)>\//Opcode_\1="\${Opcode_\1} \2"/g' \ -# >> Opcode_list -# -# Modify file Opcode_list replacing all occurrences of: -# * Opcode_Base within the section "Tejas New Instructions (SSSE3)" with Opcode_SSSE3 -# * Opcode_Base within the section "Willamette MMX instructions (SSE2 SIMD Integer Instructions)" -# with Opcode_WILLAMETTE_Base -# * Remove all line in Opcode_ARM_THUMB -# return values - - -# return values -EXIT_FOUND=0 -EXIT_NOT_FOUND=1 -EXIT_USAGE=2 - -# settings -InstSet_Base="" -Recursive=false -Count_Matching=false -Leading_Separator='\s' -Trailing_Separator='(\s|$)' # $ matches end of line for non-parametric instructions like nop -Case_Insensitive=false -Invert=false -Verbose=false -Stop_After=0 -Line_Numbers=false -Leading_Context=0 -Trailing_Context=0 - -source "${0%/*}/../lib/opcode_list" # include opcodes from a separate file - -# GAS-specific opcodes (unofficial names) belonging to the x64 instruction set. -# They are generated by GNU tools (e.g. GDB, objdump) and specify a variant of ordinal opcodes like NOP and MOV. -# If you do not want these opcodes to be recognized by this script, comment out the following line. -Opcode_X64_GAS="nopw nopl movabs" - - -# instruction sets -InstSet_X86="8086_Base 186_Base 286_Base 386_Base 486_Base PENT_Base P6_Base KATMAI_Base WILLAMETTE_Base PENTM_Base" -InstSet_IA64="IA64_Base" -InstSet_X64="PRESCOTT_Base X64_Base X86_64_Base NEHALEM_Base X64_GAS" -InstSet_MMX="PENT_MMX KATMAI_MMX X64_MMX" -InstSet_MMX2="KATMAI_MMX2" -InstSet_3DNOW="ATHLON_3DNOW" -InstSet_SSE="KATMAI_SSE P6_SSE X64_SSE" -InstSet_SSE2="SSE2 X64_SSE2" -InstSet_SSE3="PRESCOTT_SSE3" -InstSet_SSSE3="SSSE3" -InstSet_VMX="VMX X64_VMX" -InstSet_SSE4_1="SSE41 X64_SSE41" -InstSet_SSE4_2="SSE42 X64_SSE42" -InstSet_SSE4A="AMD_SSE4A" -InstSet_SSE5="AMD_SSE5" -InstSet_FMA="FUTURE_FMA" -InstSet_AVX="SANDYBRIDGE_AVX" - -InstSetDep_X64="X86" -InstSetDep_MMX2="MMX" -InstSetDep_SSE2="SSE" -InstSetDep_SSE3="SSE2" -InstSetDep_SSSE3="SSE3" -InstSetDep_SSE4_1="SSSE3" -InstSetDep_SSE4_2="SSE4_1" -InstSetDep_SSE4A="SSE3" -InstSetDep_SSE5="FMA AVX" # FIXME not reliable - -InstSetList="X86 IA64 X64 MMX MMX2 3DNOW SSE SSE2 SSE3 SSSE3 VMX SSE4_1 SSE4_2 SSE4A SSE5 FMA AVX" - - -# architectures -Arch_8086="8086_Base" -Arch_186="186_Base" -Arch_286="286_Base" -Arch_386="386_Base" -Arch_486="486_Base" -Arch_Pentium="PENT_Base PENT_MMX" # Pentium = P5 architecture -Arch_Athlon="ATHLON_3DNOW" -Arch_Deschutes="P6_Base P6_SSE" # Pentium II -Arch_Katmai="KATMAI_Base KATMAI_MMX KATMAI_MMX2 KATMAI_SSE" # Pentium III -Arch_Willamette="WILLAMETTE_Base SSE2" # original Pentium IV (x86) -Arch_PentiumM="PENTM_Base" -Arch_Prescott="PRESCOTT_Base X64_Base X86_64_Base X64_SSE2 PRESCOTT_SSE3 VMX X64_VMX X64_GAS" # later Pentium IV (x64) with SSE3 (Willamette only implemented SSE2 instructions) and VT (VT-x, aka VMX) -Arch_P6="" -Arch_Barcelona="ATHLON_3DNOW AMD_SSE4A" -Arch_IA64="IA64_Base" # 64-bit Itanium RISC processor; incompatible with x64 architecture -Arch_Penryn="SSSE3 SSE41 X64_SSE41" # later (45nm) Core 2 with SSE4.1 -Arch_Nehalem="NEHALEM_Base SSE42 X64_SSE42" # Core i# -Arch_SandyBridge="SANDYBRIDGE_AVX" -Arch_Haswell="FUTURE_FMA" -Arch_Bulldozer="AMD_SSE5" - -ArchDep_8086="" -ArchDep_186="8086" -ArchDep_286="186" -ArchDep_386="286" -ArchDep_486="386" -ArchDep_Pentium="486" -ArchDep_Athlon="Pentium" # FIXME not reliable -ArchDep_Deschutes="Pentium" -ArchDep_Katmai="Deschutes" -ArchDep_Willamette="Katmai" -ArchDep_PentiumM="Willamette" # FIXME Pentium M is a Pentium III modification (with SSE2). Does it support also WILLAMETTE_Base instructions? -ArchDep_Prescott="Willamette" -ArchDep_P6="Prescott" # P6 started with Pentium Pro; FIXME Pentium Pro did not support MMX instructions (introduced again in Pentium II aka Deschutes) -ArchDep_Barcelona="Prescott" # FIXME not reliable -ArchDep_IA64="" -ArchDep_Penryn="P6" -ArchDep_Nehalem="Penryn" -ArchDep_SandyBridge="Nehalem" -ArchDep_Haswell="SandyBridge" -ArchDep_Bulldozer="Haswell" # FIXME not reliable - -ArchList="8086 186 286 386 486 Pentium Athlon Deschutes Katmai Willamette PentiumM Prescott P6 Barcelona IA64 Penryn Nehalem SandyBridge Haswell Bulldozer" - -usage() { - echo "Usage: $0 OPTIONS" - echo "" - echo " -r set instruction sets recursively according to dependency tree (must precede -a or -s)" - echo " -a set architecture" - echo " -s set instruction set" - echo " -L show list of available architectures" - echo " -l show list of available instruction sets" - echo " -i show base instruction sets of current instruction set (requires -a and/or -s)" - echo " -I show instructions in current instruction set (requires -a and/or -s)" - echo " -c print number of matching instructions instead of normal output" - echo " -f find instruction set of the following instruction (regex allowed)" - echo " -d set leading opcode separator (default '$Leading_Separator')" - echo " -D set trailing opcode separator (default '$Trailing_Separator')" - echo " -C case-insensitive" - echo " -v invert the sense of matching" - echo " -V print all lines, not just the highlighted" - echo " -m stop searching after n matched instructions" - echo " -n print line numbers within the original input" - echo " -B print n instructions of leading context" - echo " -A print n instructions of trailing context" - echo " -h print this help" - echo - echo "Multiple architectures and instruction sets can be used." - echo - echo "Typical usage is:" - echo " objdump -M intel -d FILE | $0 OPTIONS" - echo " objdump -M intel -d FILE | $0 -s SSE2 -s SSE3 -V Highlight SSE2 and SSE3 within FILE." - echo " objdump -M intel -d FILE | tail -n +8 | $0 -r -a Haswell -v -m 1 Find first unknown instruction." - echo " $0 -C -f ADDSD Find which instruction set an opcode belongs to." - echo " $0 -f .*fma.* Find all matching instructions and their instruction sets." - echo - echo "The script uses Intel opcode syntax. When used in conjunction with objdump, \`-M intel' must be set in order to prevent opcode translation using AT&T syntax." - echo - echo "BE AWARE THAT THE LIST OF KNOWN INSTRUCTIONS OR INSTRUCTIONS SUPPORTED BY PARTICULAR ARCHITECTURES (ESPECIALLY AMD'S) IS ONLY TENTATIVE AND MAY CONTAIN MISTAKES!" - kill -TRAP $TOP_PID -} - -list_contains() { # Returns 0 if $2 is in array $1, 1 otherwise. - local e - for e in $1; do - [ "$e" = "$2" ] && return 0 - done - return 1 -} - -build_instruction_set() { # $1 = enum { Arch, InstSet }, $2 = architecture or instruction set as obtained using -L or -l, $3 = "architecture"/"instruction set" to be used in error message - local e - list_contains "`eval echo \\\$${1}List`" "$2" || (echo "$2 is not a valid $3."; usage) # Test if the architecture/instruction set is valid. - if [ -n "`eval echo \\\$${1}_${2}`" ]; then # Add the instruction set(s) if any. - for e in `eval echo \\\$${1}_${2}`; do # Skip duplicates. - list_contains "$InstSet_Base" $e || InstSet_Base="$e $InstSet_Base" - done - fi - if [ $Recursive = true ]; then - for a in `eval echo \\\$${1}Dep_$2`; do - build_instruction_set $1 $a "$3" - done - fi - InstSet_Base="`echo $InstSet_Base | sed 's/$ *//'`" # Remove trailing space. -} - -trap "exit $EXIT_USAGE" TRAP # Allow usage() function to abort script execution. -export TOP_PID=$$ # PID of executing process. - -# Parse command line arguments. -while getopts ":ra:s:LliIcf:Fd:D:CvVm:nB:A:h" o; do - case $o in - r) Recursive=true ;; - a) build_instruction_set Arch "$OPTARG" "architecture" ;; - s) build_instruction_set InstSet "$OPTARG" "instruction set" ;; - L) echo $ArchList; exit $EXIT_USAGE ;; - l) echo $InstSetList; exit $EXIT_USAGE ;; - i) - if [ -n "$InstSet_Base" ]; then - echo $InstSet_Base - exit $EXIT_USAGE - else - echo -e "No instruction set or architecture set.\n" - usage - fi - ;; - I) - if [ -n "$InstSet_Base" ]; then - for s in $InstSet_Base; do - echo -ne "\e[31;1m$s:\e[0m " - eval echo "\$Opcode_$s" - done - exit $EXIT_USAGE - else - echo -e "No instruction set or architecture set.\n" - usage - fi - ;; - c) Count_Matching=true ;; - f) - # Unlike architectures, instruction sets are disjoint. - Found=false - for s in $InstSetList; do - for b in `eval echo \\\$InstSet_$s`; do - Found_In_Base=false - for i in `eval echo \\\$Opcode_$b`; do - if [[ "$i" =~ ^$OPTARG$ ]]; then - $Found_In_Base || echo -ne "Instruction set \e[33;1m$s\e[0m (base instruction set \e[32;1m$b\e[0m):" - echo -ne " \e[31;1m$i\e[0m" - Found_In_Base=true - Found=true - fi - done - $Found_In_Base && echo "" - done - done - if [ $Found = false ]; then - echo -e "Operation code \e[31;1m$OPTARG\e[0m has not been found in the database of known instructions." \ - "Perhaps it is translated using other than Intel syntax. If obtained from objdump, check if the \`-M intel' flag is set." \ - "Be aware that the search is case sensitive by default (you may use the -C flag, otherwise only lower case opcodes are accepted)." - exit $EXIT_NOT_FOUND - else - exit $EXIT_FOUND - fi - ;; - d) Leading_Separator="$OPTARG" ;; - D) Trailing_Separator="$OPTARG" ;; - C) Case_Insensitive=true ;; - v) Invert=true ;; - V) Verbose=true ;; - m) Stop_After=$OPTARG ;; - n) Line_Numbers=true ;; - B) Leading_Context=$OPTARG ;; - A) Trailing_Context=$OPTARG ;; - h) usage ;; - \?) - echo -e "Unknown option: -$OPTARG\n" - usage - ;; - esac -done -shift $((OPTIND-1)) -[ -n "$1" ] && echo -e "Unknown command line parameter: $1\n" && usage -[ -z "$InstSet_Base" ] && usage - -# Create list of grep parameters. -Grep_Params="--color=auto -B $Leading_Context -A $Trailing_Context" -[ $Count_Matching = true ] && Grep_Params="$Grep_Params -c" -[ $Case_Insensitive = true ] && Grep_Params="$Grep_Params -i" -[ $Invert = true ] && Grep_Params="$Grep_Params -v" -[ $Stop_After -gt 0 ] && Grep_Params="$Grep_Params -m $Stop_After" -[ $Line_Numbers = true ] && Grep_Params="$Grep_Params -n" - -# Build regular expression for use in grep. -RegEx="" -for s in $InstSet_Base; do - eval RegEx=\"$RegEx \$Opcode_$s\" -done -# Add leading and trailing opcode separators to prevent false positives. -RegEx="$Leading_Separator`echo $RegEx | sed "s/ /$(echo "$Trailing_Separator"|sed 's/[\/&]/\\\&/g')|$(echo "$Leading_Separator"|sed 's/[\/&]/\\\&/g')/g"`$Trailing_Separator" - -[ $Verbose = true -a $Count_Matching = false ] && RegEx="$RegEx|\$" - -# The actual search. -grep $Grep_Params -E "$RegEx" && exit $EXIT_FOUND || exit $EXIT_NOT_FOUND |