mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-09-09 01:28:05 -04:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
45
arch/x86/tools/Makefile
Normal file
45
arch/x86/tools/Makefile
Normal file
|
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@ -0,0 +1,45 @@
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PHONY += posttest
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ifeq ($(KBUILD_VERBOSE),1)
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posttest_verbose = -v
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else
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posttest_verbose =
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endif
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ifeq ($(CONFIG_64BIT),y)
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posttest_64bit = -y
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else
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posttest_64bit = -n
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endif
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distill_awk = $(srctree)/arch/x86/tools/distill.awk
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chkobjdump = $(srctree)/arch/x86/tools/chkobjdump.awk
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quiet_cmd_posttest = TEST $@
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cmd_posttest = ($(OBJDUMP) -v | $(AWK) -f $(chkobjdump)) || $(OBJDUMP) -d -j .text $(objtree)/vmlinux | $(AWK) -f $(distill_awk) | $(obj)/test_get_len $(posttest_64bit) $(posttest_verbose)
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quiet_cmd_sanitytest = TEST $@
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cmd_sanitytest = $(obj)/insn_sanity $(posttest_64bit) -m 1000000
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posttest: $(obj)/test_get_len vmlinux $(obj)/insn_sanity
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$(call cmd,posttest)
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$(call cmd,sanitytest)
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hostprogs-y += test_get_len insn_sanity
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# -I needed for generated C source and C source which in the kernel tree.
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HOSTCFLAGS_test_get_len.o := -Wall -I$(objtree)/arch/x86/lib/ -I$(srctree)/arch/x86/include/uapi/ -I$(srctree)/arch/x86/include/ -I$(srctree)/arch/x86/lib/ -I$(srctree)/include/uapi/
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HOSTCFLAGS_insn_sanity.o := -Wall -I$(objtree)/arch/x86/lib/ -I$(srctree)/arch/x86/include/ -I$(srctree)/arch/x86/lib/ -I$(srctree)/include/
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# Dependencies are also needed.
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$(obj)/test_get_len.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/inat.c $(srctree)/arch/x86/include/asm/inat_types.h $(srctree)/arch/x86/include/asm/inat.h $(srctree)/arch/x86/include/asm/insn.h $(objtree)/arch/x86/lib/inat-tables.c
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$(obj)/insn_sanity.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/inat.c $(srctree)/arch/x86/include/asm/inat_types.h $(srctree)/arch/x86/include/asm/inat.h $(srctree)/arch/x86/include/asm/insn.h $(objtree)/arch/x86/lib/inat-tables.c
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HOST_EXTRACFLAGS += -I$(srctree)/tools/include
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hostprogs-y += relocs
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relocs-objs := relocs_32.o relocs_64.o relocs_common.o
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PHONY += relocs
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relocs: $(obj)/relocs
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@:
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42
arch/x86/tools/calc_run_size.sh
Normal file
42
arch/x86/tools/calc_run_size.sh
Normal file
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@ -0,0 +1,42 @@
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#!/bin/sh
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#
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# Calculate the amount of space needed to run the kernel, including room for
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# the .bss and .brk sections.
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#
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# Usage:
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# objdump -h a.out | sh calc_run_size.sh
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NUM='\([0-9a-fA-F]*[ \t]*\)'
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OUT=$(sed -n 's/^[ \t0-9]*.b[sr][sk][ \t]*'"$NUM$NUM$NUM$NUM"'.*/\1\4/p')
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if [ -z "$OUT" ] ; then
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echo "Never found .bss or .brk file offset" >&2
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exit 1
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fi
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OUT=$(echo ${OUT# })
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sizeA=$(printf "%d" 0x${OUT%% *})
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OUT=${OUT#* }
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offsetA=$(printf "%d" 0x${OUT%% *})
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OUT=${OUT#* }
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sizeB=$(printf "%d" 0x${OUT%% *})
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OUT=${OUT#* }
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offsetB=$(printf "%d" 0x${OUT%% *})
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run_size=$(( $offsetA + $sizeA + $sizeB ))
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# BFD linker shows the same file offset in ELF.
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if [ "$offsetA" -ne "$offsetB" ] ; then
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# Gold linker shows them as consecutive.
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endB=$(( $offsetB + $sizeB ))
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if [ "$endB" != "$run_size" ] ; then
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printf "sizeA: 0x%x\n" $sizeA >&2
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printf "offsetA: 0x%x\n" $offsetA >&2
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printf "sizeB: 0x%x\n" $sizeB >&2
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printf "offsetB: 0x%x\n" $offsetB >&2
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echo ".bss and .brk are non-contiguous" >&2
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exit 1
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fi
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fi
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printf "%d\n" $run_size
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exit 0
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33
arch/x86/tools/chkobjdump.awk
Normal file
33
arch/x86/tools/chkobjdump.awk
Normal file
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@ -0,0 +1,33 @@
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# GNU objdump version checker
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#
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# Usage:
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# objdump -v | awk -f chkobjdump.awk
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BEGIN {
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# objdump version 2.19 or later is OK for the test.
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od_ver = 2;
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od_sver = 19;
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}
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/^GNU objdump/ {
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verstr = ""
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for (i = 3; i <= NF; i++)
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if (match($(i), "^[0-9]")) {
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verstr = $(i);
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break;
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}
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if (verstr == "") {
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printf("Warning: Failed to find objdump version number.\n");
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exit 0;
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}
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split(verstr, ver, ".");
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if (ver[1] > od_ver ||
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(ver[1] == od_ver && ver[2] >= od_sver)) {
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exit 1;
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} else {
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printf("Warning: objdump version %s is older than %d.%d\n",
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verstr, od_ver, od_sver);
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print("Warning: Skipping posttest.");
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# Logic is inverted, because we just skip test without error.
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exit 0;
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}
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}
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47
arch/x86/tools/distill.awk
Normal file
47
arch/x86/tools/distill.awk
Normal file
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@ -0,0 +1,47 @@
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#!/bin/awk -f
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# Usage: objdump -d a.out | awk -f distill.awk | ./test_get_len
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# Distills the disassembly as follows:
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# - Removes all lines except the disassembled instructions.
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# - For instructions that exceed 1 line (7 bytes), crams all the hex bytes
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# into a single line.
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# - Remove bad(or prefix only) instructions
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BEGIN {
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prev_addr = ""
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prev_hex = ""
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prev_mnemonic = ""
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bad_expr = "(\\(bad\\)|^rex|^.byte|^rep(z|nz)$|^lock$|^es$|^cs$|^ss$|^ds$|^fs$|^gs$|^data(16|32)$|^addr(16|32|64))"
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fwait_expr = "^9b "
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fwait_str="9b\tfwait"
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}
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/^ *[0-9a-f]+ <[^>]*>:/ {
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# Symbol entry
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printf("%s%s\n", $2, $1)
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}
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/^ *[0-9a-f]+:/ {
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if (split($0, field, "\t") < 3) {
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# This is a continuation of the same insn.
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prev_hex = prev_hex field[2]
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} else {
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# Skip bad instructions
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if (match(prev_mnemonic, bad_expr))
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prev_addr = ""
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# Split fwait from other f* instructions
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if (match(prev_hex, fwait_expr) && prev_mnemonic != "fwait") {
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printf "%s\t%s\n", prev_addr, fwait_str
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sub(fwait_expr, "", prev_hex)
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}
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if (prev_addr != "")
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printf "%s\t%s\t%s\n", prev_addr, prev_hex, prev_mnemonic
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prev_addr = field[1]
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prev_hex = field[2]
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prev_mnemonic = field[3]
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}
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}
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END {
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if (prev_addr != "")
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printf "%s\t%s\t%s\n", prev_addr, prev_hex, prev_mnemonic
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}
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387
arch/x86/tools/gen-insn-attr-x86.awk
Normal file
387
arch/x86/tools/gen-insn-attr-x86.awk
Normal file
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@ -0,0 +1,387 @@
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#!/bin/awk -f
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# gen-insn-attr-x86.awk: Instruction attribute table generator
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# Written by Masami Hiramatsu <mhiramat@redhat.com>
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#
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# Usage: awk -f gen-insn-attr-x86.awk x86-opcode-map.txt > inat-tables.c
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# Awk implementation sanity check
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function check_awk_implement() {
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if (sprintf("%x", 0) != "0")
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return "Your awk has a printf-format problem."
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return ""
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}
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# Clear working vars
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function clear_vars() {
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delete table
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delete lptable2
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delete lptable1
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delete lptable3
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eid = -1 # escape id
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gid = -1 # group id
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aid = -1 # AVX id
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tname = ""
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}
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BEGIN {
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# Implementation error checking
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awkchecked = check_awk_implement()
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if (awkchecked != "") {
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print "Error: " awkchecked > "/dev/stderr"
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print "Please try to use gawk." > "/dev/stderr"
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exit 1
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}
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# Setup generating tables
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print "/* x86 opcode map generated from x86-opcode-map.txt */"
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print "/* Do not change this code. */\n"
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ggid = 1
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geid = 1
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gaid = 0
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delete etable
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delete gtable
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delete atable
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opnd_expr = "^[A-Za-z/]"
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ext_expr = "^\\("
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sep_expr = "^\\|$"
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group_expr = "^Grp[0-9A-Za-z]+"
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imm_expr = "^[IJAOL][a-z]"
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imm_flag["Ib"] = "INAT_MAKE_IMM(INAT_IMM_BYTE)"
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imm_flag["Jb"] = "INAT_MAKE_IMM(INAT_IMM_BYTE)"
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imm_flag["Iw"] = "INAT_MAKE_IMM(INAT_IMM_WORD)"
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imm_flag["Id"] = "INAT_MAKE_IMM(INAT_IMM_DWORD)"
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imm_flag["Iq"] = "INAT_MAKE_IMM(INAT_IMM_QWORD)"
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imm_flag["Ap"] = "INAT_MAKE_IMM(INAT_IMM_PTR)"
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imm_flag["Iz"] = "INAT_MAKE_IMM(INAT_IMM_VWORD32)"
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imm_flag["Jz"] = "INAT_MAKE_IMM(INAT_IMM_VWORD32)"
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imm_flag["Iv"] = "INAT_MAKE_IMM(INAT_IMM_VWORD)"
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imm_flag["Ob"] = "INAT_MOFFSET"
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imm_flag["Ov"] = "INAT_MOFFSET"
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imm_flag["Lx"] = "INAT_MAKE_IMM(INAT_IMM_BYTE)"
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|
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modrm_expr = "^([CDEGMNPQRSUVW/][a-z]+|NTA|T[012])"
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force64_expr = "\\([df]64\\)"
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rex_expr = "^REX(\\.[XRWB]+)*"
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fpu_expr = "^ESC" # TODO
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|
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lprefix1_expr = "\\((66|!F3)\\)"
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lprefix2_expr = "\\(F3\\)"
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lprefix3_expr = "\\((F2|!F3|66\\&F2)\\)"
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lprefix_expr = "\\((66|F2|F3)\\)"
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max_lprefix = 4
|
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|
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# All opcodes starting with lower-case 'v' or with (v1) superscript
|
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# accepts VEX prefix
|
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vexok_opcode_expr = "^v.*"
|
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vexok_expr = "\\(v1\\)"
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||||
# All opcodes with (v) superscript supports *only* VEX prefix
|
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vexonly_expr = "\\(v\\)"
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||||
|
||||
prefix_expr = "\\(Prefix\\)"
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||||
prefix_num["Operand-Size"] = "INAT_PFX_OPNDSZ"
|
||||
prefix_num["REPNE"] = "INAT_PFX_REPNE"
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prefix_num["REP/REPE"] = "INAT_PFX_REPE"
|
||||
prefix_num["XACQUIRE"] = "INAT_PFX_REPNE"
|
||||
prefix_num["XRELEASE"] = "INAT_PFX_REPE"
|
||||
prefix_num["LOCK"] = "INAT_PFX_LOCK"
|
||||
prefix_num["SEG=CS"] = "INAT_PFX_CS"
|
||||
prefix_num["SEG=DS"] = "INAT_PFX_DS"
|
||||
prefix_num["SEG=ES"] = "INAT_PFX_ES"
|
||||
prefix_num["SEG=FS"] = "INAT_PFX_FS"
|
||||
prefix_num["SEG=GS"] = "INAT_PFX_GS"
|
||||
prefix_num["SEG=SS"] = "INAT_PFX_SS"
|
||||
prefix_num["Address-Size"] = "INAT_PFX_ADDRSZ"
|
||||
prefix_num["VEX+1byte"] = "INAT_PFX_VEX2"
|
||||
prefix_num["VEX+2byte"] = "INAT_PFX_VEX3"
|
||||
|
||||
clear_vars()
|
||||
}
|
||||
|
||||
function semantic_error(msg) {
|
||||
print "Semantic error at " NR ": " msg > "/dev/stderr"
|
||||
exit 1
|
||||
}
|
||||
|
||||
function debug(msg) {
|
||||
print "DEBUG: " msg
|
||||
}
|
||||
|
||||
function array_size(arr, i,c) {
|
||||
c = 0
|
||||
for (i in arr)
|
||||
c++
|
||||
return c
|
||||
}
|
||||
|
||||
/^Table:/ {
|
||||
print "/* " $0 " */"
|
||||
if (tname != "")
|
||||
semantic_error("Hit Table: before EndTable:.");
|
||||
}
|
||||
|
||||
/^Referrer:/ {
|
||||
if (NF != 1) {
|
||||
# escape opcode table
|
||||
ref = ""
|
||||
for (i = 2; i <= NF; i++)
|
||||
ref = ref $i
|
||||
eid = escape[ref]
|
||||
tname = sprintf("inat_escape_table_%d", eid)
|
||||
}
|
||||
}
|
||||
|
||||
/^AVXcode:/ {
|
||||
if (NF != 1) {
|
||||
# AVX/escape opcode table
|
||||
aid = $2
|
||||
if (gaid <= aid)
|
||||
gaid = aid + 1
|
||||
if (tname == "") # AVX only opcode table
|
||||
tname = sprintf("inat_avx_table_%d", $2)
|
||||
}
|
||||
if (aid == -1 && eid == -1) # primary opcode table
|
||||
tname = "inat_primary_table"
|
||||
}
|
||||
|
||||
/^GrpTable:/ {
|
||||
print "/* " $0 " */"
|
||||
if (!($2 in group))
|
||||
semantic_error("No group: " $2 )
|
||||
gid = group[$2]
|
||||
tname = "inat_group_table_" gid
|
||||
}
|
||||
|
||||
function print_table(tbl,name,fmt,n)
|
||||
{
|
||||
print "const insn_attr_t " name " = {"
|
||||
for (i = 0; i < n; i++) {
|
||||
id = sprintf(fmt, i)
|
||||
if (tbl[id])
|
||||
print " [" id "] = " tbl[id] ","
|
||||
}
|
||||
print "};"
|
||||
}
|
||||
|
||||
/^EndTable/ {
|
||||
if (gid != -1) {
|
||||
# print group tables
|
||||
if (array_size(table) != 0) {
|
||||
print_table(table, tname "[INAT_GROUP_TABLE_SIZE]",
|
||||
"0x%x", 8)
|
||||
gtable[gid,0] = tname
|
||||
}
|
||||
if (array_size(lptable1) != 0) {
|
||||
print_table(lptable1, tname "_1[INAT_GROUP_TABLE_SIZE]",
|
||||
"0x%x", 8)
|
||||
gtable[gid,1] = tname "_1"
|
||||
}
|
||||
if (array_size(lptable2) != 0) {
|
||||
print_table(lptable2, tname "_2[INAT_GROUP_TABLE_SIZE]",
|
||||
"0x%x", 8)
|
||||
gtable[gid,2] = tname "_2"
|
||||
}
|
||||
if (array_size(lptable3) != 0) {
|
||||
print_table(lptable3, tname "_3[INAT_GROUP_TABLE_SIZE]",
|
||||
"0x%x", 8)
|
||||
gtable[gid,3] = tname "_3"
|
||||
}
|
||||
} else {
|
||||
# print primary/escaped tables
|
||||
if (array_size(table) != 0) {
|
||||
print_table(table, tname "[INAT_OPCODE_TABLE_SIZE]",
|
||||
"0x%02x", 256)
|
||||
etable[eid,0] = tname
|
||||
if (aid >= 0)
|
||||
atable[aid,0] = tname
|
||||
}
|
||||
if (array_size(lptable1) != 0) {
|
||||
print_table(lptable1,tname "_1[INAT_OPCODE_TABLE_SIZE]",
|
||||
"0x%02x", 256)
|
||||
etable[eid,1] = tname "_1"
|
||||
if (aid >= 0)
|
||||
atable[aid,1] = tname "_1"
|
||||
}
|
||||
if (array_size(lptable2) != 0) {
|
||||
print_table(lptable2,tname "_2[INAT_OPCODE_TABLE_SIZE]",
|
||||
"0x%02x", 256)
|
||||
etable[eid,2] = tname "_2"
|
||||
if (aid >= 0)
|
||||
atable[aid,2] = tname "_2"
|
||||
}
|
||||
if (array_size(lptable3) != 0) {
|
||||
print_table(lptable3,tname "_3[INAT_OPCODE_TABLE_SIZE]",
|
||||
"0x%02x", 256)
|
||||
etable[eid,3] = tname "_3"
|
||||
if (aid >= 0)
|
||||
atable[aid,3] = tname "_3"
|
||||
}
|
||||
}
|
||||
print ""
|
||||
clear_vars()
|
||||
}
|
||||
|
||||
function add_flags(old,new) {
|
||||
if (old && new)
|
||||
return old " | " new
|
||||
else if (old)
|
||||
return old
|
||||
else
|
||||
return new
|
||||
}
|
||||
|
||||
# convert operands to flags.
|
||||
function convert_operands(count,opnd, i,j,imm,mod)
|
||||
{
|
||||
imm = null
|
||||
mod = null
|
||||
for (j = 1; j <= count; j++) {
|
||||
i = opnd[j]
|
||||
if (match(i, imm_expr) == 1) {
|
||||
if (!imm_flag[i])
|
||||
semantic_error("Unknown imm opnd: " i)
|
||||
if (imm) {
|
||||
if (i != "Ib")
|
||||
semantic_error("Second IMM error")
|
||||
imm = add_flags(imm, "INAT_SCNDIMM")
|
||||
} else
|
||||
imm = imm_flag[i]
|
||||
} else if (match(i, modrm_expr))
|
||||
mod = "INAT_MODRM"
|
||||
}
|
||||
return add_flags(imm, mod)
|
||||
}
|
||||
|
||||
/^[0-9a-f]+\:/ {
|
||||
if (NR == 1)
|
||||
next
|
||||
# get index
|
||||
idx = "0x" substr($1, 1, index($1,":") - 1)
|
||||
if (idx in table)
|
||||
semantic_error("Redefine " idx " in " tname)
|
||||
|
||||
# check if escaped opcode
|
||||
if ("escape" == $2) {
|
||||
if ($3 != "#")
|
||||
semantic_error("No escaped name")
|
||||
ref = ""
|
||||
for (i = 4; i <= NF; i++)
|
||||
ref = ref $i
|
||||
if (ref in escape)
|
||||
semantic_error("Redefine escape (" ref ")")
|
||||
escape[ref] = geid
|
||||
geid++
|
||||
table[idx] = "INAT_MAKE_ESCAPE(" escape[ref] ")"
|
||||
next
|
||||
}
|
||||
|
||||
variant = null
|
||||
# converts
|
||||
i = 2
|
||||
while (i <= NF) {
|
||||
opcode = $(i++)
|
||||
delete opnds
|
||||
ext = null
|
||||
flags = null
|
||||
opnd = null
|
||||
# parse one opcode
|
||||
if (match($i, opnd_expr)) {
|
||||
opnd = $i
|
||||
count = split($(i++), opnds, ",")
|
||||
flags = convert_operands(count, opnds)
|
||||
}
|
||||
if (match($i, ext_expr))
|
||||
ext = $(i++)
|
||||
if (match($i, sep_expr))
|
||||
i++
|
||||
else if (i < NF)
|
||||
semantic_error($i " is not a separator")
|
||||
|
||||
# check if group opcode
|
||||
if (match(opcode, group_expr)) {
|
||||
if (!(opcode in group)) {
|
||||
group[opcode] = ggid
|
||||
ggid++
|
||||
}
|
||||
flags = add_flags(flags, "INAT_MAKE_GROUP(" group[opcode] ")")
|
||||
}
|
||||
# check force(or default) 64bit
|
||||
if (match(ext, force64_expr))
|
||||
flags = add_flags(flags, "INAT_FORCE64")
|
||||
|
||||
# check REX prefix
|
||||
if (match(opcode, rex_expr))
|
||||
flags = add_flags(flags, "INAT_MAKE_PREFIX(INAT_PFX_REX)")
|
||||
|
||||
# check coprocessor escape : TODO
|
||||
if (match(opcode, fpu_expr))
|
||||
flags = add_flags(flags, "INAT_MODRM")
|
||||
|
||||
# check VEX codes
|
||||
if (match(ext, vexonly_expr))
|
||||
flags = add_flags(flags, "INAT_VEXOK | INAT_VEXONLY")
|
||||
else if (match(ext, vexok_expr) || match(opcode, vexok_opcode_expr))
|
||||
flags = add_flags(flags, "INAT_VEXOK")
|
||||
|
||||
# check prefixes
|
||||
if (match(ext, prefix_expr)) {
|
||||
if (!prefix_num[opcode])
|
||||
semantic_error("Unknown prefix: " opcode)
|
||||
flags = add_flags(flags, "INAT_MAKE_PREFIX(" prefix_num[opcode] ")")
|
||||
}
|
||||
if (length(flags) == 0)
|
||||
continue
|
||||
# check if last prefix
|
||||
if (match(ext, lprefix1_expr)) {
|
||||
lptable1[idx] = add_flags(lptable1[idx],flags)
|
||||
variant = "INAT_VARIANT"
|
||||
}
|
||||
if (match(ext, lprefix2_expr)) {
|
||||
lptable2[idx] = add_flags(lptable2[idx],flags)
|
||||
variant = "INAT_VARIANT"
|
||||
}
|
||||
if (match(ext, lprefix3_expr)) {
|
||||
lptable3[idx] = add_flags(lptable3[idx],flags)
|
||||
variant = "INAT_VARIANT"
|
||||
}
|
||||
if (!match(ext, lprefix_expr)){
|
||||
table[idx] = add_flags(table[idx],flags)
|
||||
}
|
||||
}
|
||||
if (variant)
|
||||
table[idx] = add_flags(table[idx],variant)
|
||||
}
|
||||
|
||||
END {
|
||||
if (awkchecked != "")
|
||||
exit 1
|
||||
# print escape opcode map's array
|
||||
print "/* Escape opcode map array */"
|
||||
print "const insn_attr_t * const inat_escape_tables[INAT_ESC_MAX + 1]" \
|
||||
"[INAT_LSTPFX_MAX + 1] = {"
|
||||
for (i = 0; i < geid; i++)
|
||||
for (j = 0; j < max_lprefix; j++)
|
||||
if (etable[i,j])
|
||||
print " ["i"]["j"] = "etable[i,j]","
|
||||
print "};\n"
|
||||
# print group opcode map's array
|
||||
print "/* Group opcode map array */"
|
||||
print "const insn_attr_t * const inat_group_tables[INAT_GRP_MAX + 1]"\
|
||||
"[INAT_LSTPFX_MAX + 1] = {"
|
||||
for (i = 0; i < ggid; i++)
|
||||
for (j = 0; j < max_lprefix; j++)
|
||||
if (gtable[i,j])
|
||||
print " ["i"]["j"] = "gtable[i,j]","
|
||||
print "};\n"
|
||||
# print AVX opcode map's array
|
||||
print "/* AVX opcode map array */"
|
||||
print "const insn_attr_t * const inat_avx_tables[X86_VEX_M_MAX + 1]"\
|
||||
"[INAT_LSTPFX_MAX + 1] = {"
|
||||
for (i = 0; i < gaid; i++)
|
||||
for (j = 0; j < max_lprefix; j++)
|
||||
if (atable[i,j])
|
||||
print " ["i"]["j"] = "atable[i,j]","
|
||||
print "};"
|
||||
}
|
||||
|
||||
281
arch/x86/tools/insn_sanity.c
Normal file
281
arch/x86/tools/insn_sanity.c
Normal file
|
|
@ -0,0 +1,281 @@
|
|||
/*
|
||||
* x86 decoder sanity test - based on test_get_insn.c
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
* Copyright (C) IBM Corporation, 2009
|
||||
* Copyright (C) Hitachi, Ltd., 2011
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <assert.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <fcntl.h>
|
||||
|
||||
#define unlikely(cond) (cond)
|
||||
#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
|
||||
|
||||
#include <asm/insn.h>
|
||||
#include <inat.c>
|
||||
#include <insn.c>
|
||||
|
||||
/*
|
||||
* Test of instruction analysis against tampering.
|
||||
* Feed random binary to instruction decoder and ensure not to
|
||||
* access out-of-instruction-buffer.
|
||||
*/
|
||||
|
||||
#define DEFAULT_MAX_ITER 10000
|
||||
#define INSN_NOP 0x90
|
||||
|
||||
static const char *prog; /* Program name */
|
||||
static int verbose; /* Verbosity */
|
||||
static int x86_64; /* x86-64 bit mode flag */
|
||||
static unsigned int seed; /* Random seed */
|
||||
static unsigned long iter_start; /* Start of iteration number */
|
||||
static unsigned long iter_end = DEFAULT_MAX_ITER; /* End of iteration number */
|
||||
static FILE *input_file; /* Input file name */
|
||||
|
||||
static void usage(const char *err)
|
||||
{
|
||||
if (err)
|
||||
fprintf(stderr, "%s: Error: %s\n\n", prog, err);
|
||||
fprintf(stderr, "Usage: %s [-y|-n|-v] [-s seed[,no]] [-m max] [-i input]\n", prog);
|
||||
fprintf(stderr, "\t-y 64bit mode\n");
|
||||
fprintf(stderr, "\t-n 32bit mode\n");
|
||||
fprintf(stderr, "\t-v Verbosity(-vv dumps any decoded result)\n");
|
||||
fprintf(stderr, "\t-s Give a random seed (and iteration number)\n");
|
||||
fprintf(stderr, "\t-m Give a maximum iteration number\n");
|
||||
fprintf(stderr, "\t-i Give an input file with decoded binary\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
static void dump_field(FILE *fp, const char *name, const char *indent,
|
||||
struct insn_field *field)
|
||||
{
|
||||
fprintf(fp, "%s.%s = {\n", indent, name);
|
||||
fprintf(fp, "%s\t.value = %d, bytes[] = {%x, %x, %x, %x},\n",
|
||||
indent, field->value, field->bytes[0], field->bytes[1],
|
||||
field->bytes[2], field->bytes[3]);
|
||||
fprintf(fp, "%s\t.got = %d, .nbytes = %d},\n", indent,
|
||||
field->got, field->nbytes);
|
||||
}
|
||||
|
||||
static void dump_insn(FILE *fp, struct insn *insn)
|
||||
{
|
||||
fprintf(fp, "Instruction = {\n");
|
||||
dump_field(fp, "prefixes", "\t", &insn->prefixes);
|
||||
dump_field(fp, "rex_prefix", "\t", &insn->rex_prefix);
|
||||
dump_field(fp, "vex_prefix", "\t", &insn->vex_prefix);
|
||||
dump_field(fp, "opcode", "\t", &insn->opcode);
|
||||
dump_field(fp, "modrm", "\t", &insn->modrm);
|
||||
dump_field(fp, "sib", "\t", &insn->sib);
|
||||
dump_field(fp, "displacement", "\t", &insn->displacement);
|
||||
dump_field(fp, "immediate1", "\t", &insn->immediate1);
|
||||
dump_field(fp, "immediate2", "\t", &insn->immediate2);
|
||||
fprintf(fp, "\t.attr = %x, .opnd_bytes = %d, .addr_bytes = %d,\n",
|
||||
insn->attr, insn->opnd_bytes, insn->addr_bytes);
|
||||
fprintf(fp, "\t.length = %d, .x86_64 = %d, .kaddr = %p}\n",
|
||||
insn->length, insn->x86_64, insn->kaddr);
|
||||
}
|
||||
|
||||
static void dump_stream(FILE *fp, const char *msg, unsigned long nr_iter,
|
||||
unsigned char *insn_buf, struct insn *insn)
|
||||
{
|
||||
int i;
|
||||
|
||||
fprintf(fp, "%s:\n", msg);
|
||||
|
||||
dump_insn(fp, insn);
|
||||
|
||||
fprintf(fp, "You can reproduce this with below command(s);\n");
|
||||
|
||||
/* Input a decoded instruction sequence directly */
|
||||
fprintf(fp, " $ echo ");
|
||||
for (i = 0; i < MAX_INSN_SIZE; i++)
|
||||
fprintf(fp, " %02x", insn_buf[i]);
|
||||
fprintf(fp, " | %s -i -\n", prog);
|
||||
|
||||
if (!input_file) {
|
||||
fprintf(fp, "Or \n");
|
||||
/* Give a seed and iteration number */
|
||||
fprintf(fp, " $ %s -s 0x%x,%lu\n", prog, seed, nr_iter);
|
||||
}
|
||||
}
|
||||
|
||||
static void init_random_seed(void)
|
||||
{
|
||||
int fd;
|
||||
|
||||
fd = open("/dev/urandom", O_RDONLY);
|
||||
if (fd < 0)
|
||||
goto fail;
|
||||
|
||||
if (read(fd, &seed, sizeof(seed)) != sizeof(seed))
|
||||
goto fail;
|
||||
|
||||
close(fd);
|
||||
return;
|
||||
fail:
|
||||
usage("Failed to open /dev/urandom");
|
||||
}
|
||||
|
||||
/* Read given instruction sequence from the input file */
|
||||
static int read_next_insn(unsigned char *insn_buf)
|
||||
{
|
||||
char buf[256] = "", *tmp;
|
||||
int i;
|
||||
|
||||
tmp = fgets(buf, ARRAY_SIZE(buf), input_file);
|
||||
if (tmp == NULL || feof(input_file))
|
||||
return 0;
|
||||
|
||||
for (i = 0; i < MAX_INSN_SIZE; i++) {
|
||||
insn_buf[i] = (unsigned char)strtoul(tmp, &tmp, 16);
|
||||
if (*tmp != ' ')
|
||||
break;
|
||||
}
|
||||
|
||||
return i;
|
||||
}
|
||||
|
||||
static int generate_insn(unsigned char *insn_buf)
|
||||
{
|
||||
int i;
|
||||
|
||||
if (input_file)
|
||||
return read_next_insn(insn_buf);
|
||||
|
||||
/* Fills buffer with random binary up to MAX_INSN_SIZE */
|
||||
for (i = 0; i < MAX_INSN_SIZE - 1; i += 2)
|
||||
*(unsigned short *)(&insn_buf[i]) = random() & 0xffff;
|
||||
|
||||
while (i < MAX_INSN_SIZE)
|
||||
insn_buf[i++] = random() & 0xff;
|
||||
|
||||
return i;
|
||||
}
|
||||
|
||||
static void parse_args(int argc, char **argv)
|
||||
{
|
||||
int c;
|
||||
char *tmp = NULL;
|
||||
int set_seed = 0;
|
||||
|
||||
prog = argv[0];
|
||||
while ((c = getopt(argc, argv, "ynvs:m:i:")) != -1) {
|
||||
switch (c) {
|
||||
case 'y':
|
||||
x86_64 = 1;
|
||||
break;
|
||||
case 'n':
|
||||
x86_64 = 0;
|
||||
break;
|
||||
case 'v':
|
||||
verbose++;
|
||||
break;
|
||||
case 'i':
|
||||
if (strcmp("-", optarg) == 0)
|
||||
input_file = stdin;
|
||||
else
|
||||
input_file = fopen(optarg, "r");
|
||||
if (!input_file)
|
||||
usage("Failed to open input file");
|
||||
break;
|
||||
case 's':
|
||||
seed = (unsigned int)strtoul(optarg, &tmp, 0);
|
||||
if (*tmp == ',') {
|
||||
optarg = tmp + 1;
|
||||
iter_start = strtoul(optarg, &tmp, 0);
|
||||
}
|
||||
if (*tmp != '\0' || tmp == optarg)
|
||||
usage("Failed to parse seed");
|
||||
set_seed = 1;
|
||||
break;
|
||||
case 'm':
|
||||
iter_end = strtoul(optarg, &tmp, 0);
|
||||
if (*tmp != '\0' || tmp == optarg)
|
||||
usage("Failed to parse max_iter");
|
||||
break;
|
||||
default:
|
||||
usage(NULL);
|
||||
}
|
||||
}
|
||||
|
||||
/* Check errors */
|
||||
if (iter_end < iter_start)
|
||||
usage("Max iteration number must be bigger than iter-num");
|
||||
|
||||
if (set_seed && input_file)
|
||||
usage("Don't use input file (-i) with random seed (-s)");
|
||||
|
||||
/* Initialize random seed */
|
||||
if (!input_file) {
|
||||
if (!set_seed) /* No seed is given */
|
||||
init_random_seed();
|
||||
srand(seed);
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
struct insn insn;
|
||||
int insns = 0;
|
||||
int errors = 0;
|
||||
unsigned long i;
|
||||
unsigned char insn_buf[MAX_INSN_SIZE * 2];
|
||||
|
||||
parse_args(argc, argv);
|
||||
|
||||
/* Prepare stop bytes with NOPs */
|
||||
memset(insn_buf + MAX_INSN_SIZE, INSN_NOP, MAX_INSN_SIZE);
|
||||
|
||||
for (i = 0; i < iter_end; i++) {
|
||||
if (generate_insn(insn_buf) <= 0)
|
||||
break;
|
||||
|
||||
if (i < iter_start) /* Skip to given iteration number */
|
||||
continue;
|
||||
|
||||
/* Decode an instruction */
|
||||
insn_init(&insn, insn_buf, x86_64);
|
||||
insn_get_length(&insn);
|
||||
|
||||
if (insn.next_byte <= insn.kaddr ||
|
||||
insn.kaddr + MAX_INSN_SIZE < insn.next_byte) {
|
||||
/* Access out-of-range memory */
|
||||
dump_stream(stderr, "Error: Found an access violation", i, insn_buf, &insn);
|
||||
errors++;
|
||||
} else if (verbose && !insn_complete(&insn))
|
||||
dump_stream(stdout, "Info: Found an undecodable input", i, insn_buf, &insn);
|
||||
else if (verbose >= 2)
|
||||
dump_insn(stdout, &insn);
|
||||
insns++;
|
||||
}
|
||||
|
||||
fprintf(stdout, "%s: %s: decoded and checked %d %s instructions with %d errors (seed:0x%x)\n",
|
||||
prog,
|
||||
(errors) ? "Failure" : "Success",
|
||||
insns,
|
||||
(input_file) ? "given" : "random",
|
||||
errors,
|
||||
seed);
|
||||
|
||||
return errors ? 1 : 0;
|
||||
}
|
||||
1082
arch/x86/tools/relocs.c
Normal file
1082
arch/x86/tools/relocs.c
Normal file
File diff suppressed because it is too large
Load diff
37
arch/x86/tools/relocs.h
Normal file
37
arch/x86/tools/relocs.h
Normal file
|
|
@ -0,0 +1,37 @@
|
|||
#ifndef RELOCS_H
|
||||
#define RELOCS_H
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdarg.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdint.h>
|
||||
#include <inttypes.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
#include <unistd.h>
|
||||
#include <elf.h>
|
||||
#include <byteswap.h>
|
||||
#define USE_BSD
|
||||
#include <endian.h>
|
||||
#include <regex.h>
|
||||
#include <tools/le_byteshift.h>
|
||||
|
||||
void die(char *fmt, ...);
|
||||
|
||||
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
|
||||
|
||||
enum symtype {
|
||||
S_ABS,
|
||||
S_REL,
|
||||
S_SEG,
|
||||
S_LIN,
|
||||
S_NSYMTYPES
|
||||
};
|
||||
|
||||
void process_32(FILE *fp, int use_real_mode, int as_text,
|
||||
int show_absolute_syms, int show_absolute_relocs,
|
||||
int show_reloc_info);
|
||||
void process_64(FILE *fp, int use_real_mode, int as_text,
|
||||
int show_absolute_syms, int show_absolute_relocs,
|
||||
int show_reloc_info);
|
||||
#endif /* RELOCS_H */
|
||||
17
arch/x86/tools/relocs_32.c
Normal file
17
arch/x86/tools/relocs_32.c
Normal file
|
|
@ -0,0 +1,17 @@
|
|||
#include "relocs.h"
|
||||
|
||||
#define ELF_BITS 32
|
||||
|
||||
#define ELF_MACHINE EM_386
|
||||
#define ELF_MACHINE_NAME "i386"
|
||||
#define SHT_REL_TYPE SHT_REL
|
||||
#define Elf_Rel ElfW(Rel)
|
||||
|
||||
#define ELF_CLASS ELFCLASS32
|
||||
#define ELF_R_SYM(val) ELF32_R_SYM(val)
|
||||
#define ELF_R_TYPE(val) ELF32_R_TYPE(val)
|
||||
#define ELF_ST_TYPE(o) ELF32_ST_TYPE(o)
|
||||
#define ELF_ST_BIND(o) ELF32_ST_BIND(o)
|
||||
#define ELF_ST_VISIBILITY(o) ELF32_ST_VISIBILITY(o)
|
||||
|
||||
#include "relocs.c"
|
||||
17
arch/x86/tools/relocs_64.c
Normal file
17
arch/x86/tools/relocs_64.c
Normal file
|
|
@ -0,0 +1,17 @@
|
|||
#include "relocs.h"
|
||||
|
||||
#define ELF_BITS 64
|
||||
|
||||
#define ELF_MACHINE EM_X86_64
|
||||
#define ELF_MACHINE_NAME "x86_64"
|
||||
#define SHT_REL_TYPE SHT_RELA
|
||||
#define Elf_Rel Elf64_Rela
|
||||
|
||||
#define ELF_CLASS ELFCLASS64
|
||||
#define ELF_R_SYM(val) ELF64_R_SYM(val)
|
||||
#define ELF_R_TYPE(val) ELF64_R_TYPE(val)
|
||||
#define ELF_ST_TYPE(o) ELF64_ST_TYPE(o)
|
||||
#define ELF_ST_BIND(o) ELF64_ST_BIND(o)
|
||||
#define ELF_ST_VISIBILITY(o) ELF64_ST_VISIBILITY(o)
|
||||
|
||||
#include "relocs.c"
|
||||
84
arch/x86/tools/relocs_common.c
Normal file
84
arch/x86/tools/relocs_common.c
Normal file
|
|
@ -0,0 +1,84 @@
|
|||
#include "relocs.h"
|
||||
|
||||
void die(char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
va_start(ap, fmt);
|
||||
vfprintf(stderr, fmt, ap);
|
||||
va_end(ap);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
static void usage(void)
|
||||
{
|
||||
die("relocs [--abs-syms|--abs-relocs|--reloc-info|--text|--realmode]" \
|
||||
" vmlinux\n");
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int show_absolute_syms, show_absolute_relocs, show_reloc_info;
|
||||
int as_text, use_real_mode;
|
||||
const char *fname;
|
||||
FILE *fp;
|
||||
int i;
|
||||
unsigned char e_ident[EI_NIDENT];
|
||||
|
||||
show_absolute_syms = 0;
|
||||
show_absolute_relocs = 0;
|
||||
show_reloc_info = 0;
|
||||
as_text = 0;
|
||||
use_real_mode = 0;
|
||||
fname = NULL;
|
||||
for (i = 1; i < argc; i++) {
|
||||
char *arg = argv[i];
|
||||
if (*arg == '-') {
|
||||
if (strcmp(arg, "--abs-syms") == 0) {
|
||||
show_absolute_syms = 1;
|
||||
continue;
|
||||
}
|
||||
if (strcmp(arg, "--abs-relocs") == 0) {
|
||||
show_absolute_relocs = 1;
|
||||
continue;
|
||||
}
|
||||
if (strcmp(arg, "--reloc-info") == 0) {
|
||||
show_reloc_info = 1;
|
||||
continue;
|
||||
}
|
||||
if (strcmp(arg, "--text") == 0) {
|
||||
as_text = 1;
|
||||
continue;
|
||||
}
|
||||
if (strcmp(arg, "--realmode") == 0) {
|
||||
use_real_mode = 1;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
else if (!fname) {
|
||||
fname = arg;
|
||||
continue;
|
||||
}
|
||||
usage();
|
||||
}
|
||||
if (!fname) {
|
||||
usage();
|
||||
}
|
||||
fp = fopen(fname, "r");
|
||||
if (!fp) {
|
||||
die("Cannot open %s: %s\n", fname, strerror(errno));
|
||||
}
|
||||
if (fread(&e_ident, 1, EI_NIDENT, fp) != EI_NIDENT) {
|
||||
die("Cannot read %s: %s", fname, strerror(errno));
|
||||
}
|
||||
rewind(fp);
|
||||
if (e_ident[EI_CLASS] == ELFCLASS64)
|
||||
process_64(fp, use_real_mode, as_text,
|
||||
show_absolute_syms, show_absolute_relocs,
|
||||
show_reloc_info);
|
||||
else
|
||||
process_32(fp, use_real_mode, as_text,
|
||||
show_absolute_syms, show_absolute_relocs,
|
||||
show_reloc_info);
|
||||
fclose(fp);
|
||||
return 0;
|
||||
}
|
||||
173
arch/x86/tools/test_get_len.c
Normal file
173
arch/x86/tools/test_get_len.c
Normal file
|
|
@ -0,0 +1,173 @@
|
|||
/*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
* Copyright (C) IBM Corporation, 2009
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <assert.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#define unlikely(cond) (cond)
|
||||
|
||||
#include <asm/insn.h>
|
||||
#include <inat.c>
|
||||
#include <insn.c>
|
||||
|
||||
/*
|
||||
* Test of instruction analysis in general and insn_get_length() in
|
||||
* particular. See if insn_get_length() and the disassembler agree
|
||||
* on the length of each instruction in an elf disassembly.
|
||||
*
|
||||
* Usage: objdump -d a.out | awk -f distill.awk | ./test_get_len
|
||||
*/
|
||||
|
||||
const char *prog;
|
||||
static int verbose;
|
||||
static int x86_64;
|
||||
|
||||
static void usage(void)
|
||||
{
|
||||
fprintf(stderr, "Usage: objdump -d a.out | awk -f distill.awk |"
|
||||
" %s [-y|-n] [-v]\n", prog);
|
||||
fprintf(stderr, "\t-y 64bit mode\n");
|
||||
fprintf(stderr, "\t-n 32bit mode\n");
|
||||
fprintf(stderr, "\t-v verbose mode\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
static void malformed_line(const char *line, int line_nr)
|
||||
{
|
||||
fprintf(stderr, "%s: malformed line %d:\n%s", prog, line_nr, line);
|
||||
exit(3);
|
||||
}
|
||||
|
||||
static void dump_field(FILE *fp, const char *name, const char *indent,
|
||||
struct insn_field *field)
|
||||
{
|
||||
fprintf(fp, "%s.%s = {\n", indent, name);
|
||||
fprintf(fp, "%s\t.value = %d, bytes[] = {%x, %x, %x, %x},\n",
|
||||
indent, field->value, field->bytes[0], field->bytes[1],
|
||||
field->bytes[2], field->bytes[3]);
|
||||
fprintf(fp, "%s\t.got = %d, .nbytes = %d},\n", indent,
|
||||
field->got, field->nbytes);
|
||||
}
|
||||
|
||||
static void dump_insn(FILE *fp, struct insn *insn)
|
||||
{
|
||||
fprintf(fp, "Instruction = {\n");
|
||||
dump_field(fp, "prefixes", "\t", &insn->prefixes);
|
||||
dump_field(fp, "rex_prefix", "\t", &insn->rex_prefix);
|
||||
dump_field(fp, "vex_prefix", "\t", &insn->vex_prefix);
|
||||
dump_field(fp, "opcode", "\t", &insn->opcode);
|
||||
dump_field(fp, "modrm", "\t", &insn->modrm);
|
||||
dump_field(fp, "sib", "\t", &insn->sib);
|
||||
dump_field(fp, "displacement", "\t", &insn->displacement);
|
||||
dump_field(fp, "immediate1", "\t", &insn->immediate1);
|
||||
dump_field(fp, "immediate2", "\t", &insn->immediate2);
|
||||
fprintf(fp, "\t.attr = %x, .opnd_bytes = %d, .addr_bytes = %d,\n",
|
||||
insn->attr, insn->opnd_bytes, insn->addr_bytes);
|
||||
fprintf(fp, "\t.length = %d, .x86_64 = %d, .kaddr = %p}\n",
|
||||
insn->length, insn->x86_64, insn->kaddr);
|
||||
}
|
||||
|
||||
static void parse_args(int argc, char **argv)
|
||||
{
|
||||
int c;
|
||||
prog = argv[0];
|
||||
while ((c = getopt(argc, argv, "ynv")) != -1) {
|
||||
switch (c) {
|
||||
case 'y':
|
||||
x86_64 = 1;
|
||||
break;
|
||||
case 'n':
|
||||
x86_64 = 0;
|
||||
break;
|
||||
case 'v':
|
||||
verbose = 1;
|
||||
break;
|
||||
default:
|
||||
usage();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#define BUFSIZE 256
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
char line[BUFSIZE], sym[BUFSIZE] = "<unknown>";
|
||||
unsigned char insn_buf[16];
|
||||
struct insn insn;
|
||||
int insns = 0;
|
||||
int warnings = 0;
|
||||
|
||||
parse_args(argc, argv);
|
||||
|
||||
while (fgets(line, BUFSIZE, stdin)) {
|
||||
char copy[BUFSIZE], *s, *tab1, *tab2;
|
||||
int nb = 0;
|
||||
unsigned int b;
|
||||
|
||||
if (line[0] == '<') {
|
||||
/* Symbol line */
|
||||
strcpy(sym, line);
|
||||
continue;
|
||||
}
|
||||
|
||||
insns++;
|
||||
memset(insn_buf, 0, 16);
|
||||
strcpy(copy, line);
|
||||
tab1 = strchr(copy, '\t');
|
||||
if (!tab1)
|
||||
malformed_line(line, insns);
|
||||
s = tab1 + 1;
|
||||
s += strspn(s, " ");
|
||||
tab2 = strchr(s, '\t');
|
||||
if (!tab2)
|
||||
malformed_line(line, insns);
|
||||
*tab2 = '\0'; /* Characters beyond tab2 aren't examined */
|
||||
while (s < tab2) {
|
||||
if (sscanf(s, "%x", &b) == 1) {
|
||||
insn_buf[nb++] = (unsigned char) b;
|
||||
s += 3;
|
||||
} else
|
||||
break;
|
||||
}
|
||||
/* Decode an instruction */
|
||||
insn_init(&insn, insn_buf, x86_64);
|
||||
insn_get_length(&insn);
|
||||
if (insn.length != nb) {
|
||||
warnings++;
|
||||
fprintf(stderr, "Warning: %s found difference at %s\n",
|
||||
prog, sym);
|
||||
fprintf(stderr, "Warning: %s", line);
|
||||
fprintf(stderr, "Warning: objdump says %d bytes, but "
|
||||
"insn_get_length() says %d\n", nb,
|
||||
insn.length);
|
||||
if (verbose)
|
||||
dump_insn(stderr, &insn);
|
||||
}
|
||||
}
|
||||
if (warnings)
|
||||
fprintf(stderr, "Warning: decoded and checked %d"
|
||||
" instructions with %d warnings\n", insns, warnings);
|
||||
else
|
||||
fprintf(stderr, "Succeed: decoded and checked %d"
|
||||
" instructions\n", insns);
|
||||
return 0;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue