Messages in this thread Patch in this message | | | From | Alexander Kapshuk <> | Subject | [PATCH] gen-insn-attr-x86.awk: Fix regexp warnings | Date | Sat, 21 Sep 2019 14:37:11 +0300 |
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This patch fixes the regexp warnings shown below: GEN /home/sasha/torvalds/tools/objtool/arch/x86/lib/inat-tables.c awk: ../arch/x86/tools/gen-insn-attr-x86.awk:260: warning: regexp escape sequence `\:' is not a known regexp operator awk: ../arch/x86/tools/gen-insn-attr-x86.awk:350: (FILENAME=../arch/x86/lib/x86-opcode-map.txt FNR=41) warning: regexp escape sequence `\&' is not a known regexp operator
The ':' and '&' characters need not escaping when used in string constants as part of regular expressions.
[Test-run] awk -f /home/sasha/torvalds/arch/x86/tools/gen-insn-attr-x86.awk \ /home/sasha/torvalds/arch/x86/lib/x86-opcode-map.txt >tmp/inat-tables.c
diff -U0 /home/sasha/torvalds/tools/objtool/arch/x86/lib/inat-tables.c \ tmp/inat-tables.c; echo $? 0
[Debugging output] DBG:ext:(66&F2) DBG:match(ext, ...):(66&F2) DBG:match(..., lprefix3_expr):\((F2|!F3|66&F2)\)
Signed-off-by: Alexander Kapshuk <alexander.kapshuk@gmail.com> --- arch/x86/tools/gen-insn-attr-x86.awk | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/tools/gen-insn-attr-x86.awk b/arch/x86/tools/gen-insn-attr-x86.awk index b02a36b2c14f..a42015b305f4 100644 --- a/arch/x86/tools/gen-insn-attr-x86.awk +++ b/arch/x86/tools/gen-insn-attr-x86.awk @@ -69,7 +69,7 @@ BEGIN {
lprefix1_expr = "\\((66|!F3)\\)" lprefix2_expr = "\\(F3\\)" - lprefix3_expr = "\\((F2|!F3|66\\&F2)\\)" + lprefix3_expr = "\\((F2|!F3|66&F2)\\)" lprefix_expr = "\\((66|F2|F3)\\)" max_lprefix = 4
@@ -257,7 +257,7 @@ function convert_operands(count,opnd, i,j,imm,mod) return add_flags(imm, mod) }
-/^[0-9a-f]+\:/ { +/^[0-9a-f]+:/ { if (NR == 1) next # get index -- 2.23.0
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