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| author | Masami Hiramatsu <mhiramat@redhat.com> | 2009-08-21 15:43:16 -0400 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-08-27 02:32:50 +0200 |
| commit | 69d991f32152283cbc373136fa45bbb152b32048 (patch) | |
| tree | 48c77986a08e2c8348d861df08e57ce3ddd32dd0 /arch/x86/tools | |
| parent | 8d7d14fb27818eb08ebedf9f4a6e286970fe9977 (diff) | |
| download | lwn-69d991f32152283cbc373136fa45bbb152b32048.tar.gz lwn-69d991f32152283cbc373136fa45bbb152b32048.zip | |
x86: Check awk features before generating inat-tables.c
Check some awk mandatory features to generate inat-tables.c
that old mawk doesn't support.
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Avi Kivity <avi@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Frank Ch. Eigler <fche@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Jason Baron <jbaron@redhat.com>
Cc: K.Prasad <prasad@linux.vnet.ibm.com>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Przemysław Pawełczyk <przemyslaw@pawelczyk.it>
Cc: Roland McGrath <roland@redhat.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Tom Zanussi <tzanussi@gmail.com>
Cc: Vegard Nossum <vegard.nossum@gmail.com>
LKML-Reference: <20090821194316.12478.57394.stgit@localhost.localdomain>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'arch/x86/tools')
| -rw-r--r-- | arch/x86/tools/gen-insn-attr-x86.awk | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/x86/tools/gen-insn-attr-x86.awk b/arch/x86/tools/gen-insn-attr-x86.awk index 93b62c92d044..19ba096b7dd1 100644 --- a/arch/x86/tools/gen-insn-attr-x86.awk +++ b/arch/x86/tools/gen-insn-attr-x86.awk @@ -4,7 +4,25 @@ # # Usage: awk -f gen-insn-attr-x86.awk x86-opcode-map.txt > inat-tables.c +# Awk implementation sanity check +function check_awk_implement() { + if (!match("abc", "[[:lower:]]+")) + return "Your awk doesn't support charactor-class." + if (sprintf("%x", 0) != "0") + return "Your awk has a printf-format problem." + return "" +} + BEGIN { + # Implementation error checking + awkchecked = check_awk_implement() + if (awkchecked != "") { + print "Error: " awkchecked > "/dev/stderr" + print "Please try to use gawk." > "/dev/stderr" + exit 1 + } + + # Setup generating tables print "/* x86 opcode map generated from x86-opcode-map.txt */" print "/* Do not change this code. */" ggid = 1 @@ -293,6 +311,8 @@ function convert_operands(opnd, i,imm,mod) } 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]" \ |