From: Peter Zijlstra <peterz@infradead.org>
To: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org,
Miroslav Benes <mbenes@suse.cz>
Subject: Re: [PATCH v2 5/9] objtool: Add verbose option for disassembling affected functions
Date: Thu, 13 Apr 2023 10:08:22 +0200 [thread overview]
Message-ID: <20230413080822.GH4253@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <4cadacc719db1e792c335309056960ca6f71139e.1681325924.git.jpoimboe@kernel.org>
On Wed, Apr 12, 2023 at 12:03:20PM -0700, Josh Poimboeuf wrote:
> + objdump_str = "%sobjdump -wdr %s | gawk -M -v _funcs='%s' '"
> + "BEGIN { split(_funcs, funcs); }"
> + "/^$/ { func_match = 0; }"
> + "/<.*>:/ { "
> + "f = gensub(/.*<(.*)>:/, \"\\\\1\", 1);"
> + "for (i in funcs) {"
> + "if (funcs[i] == f) {"
> + "func_match = 1;"
> + "base = strtonum(\"0x\" $1);"
> + "break;"
> + "}"
> + "}"
> + "}"
> + "{"
> + "if (func_match) {"
> + "addr = strtonum(\"0x\" $1);"
> + "printf(\"%%04x \", addr - base);"
> + "print;"
> + "}"
> + "}' 1>&2";
Do we want to have scripts/objdump-func.awk and use that to avoid the
duplication and eventual divergence of these awk thingies?
next prev parent reply other threads:[~2023-04-13 8:10 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-12 19:03 [PATCH v2 0/9] objtool: warning improvements Josh Poimboeuf
2023-04-12 19:03 ` [PATCH v2 1/9] scripts/objdump-func: Support multiple functions Josh Poimboeuf
2023-04-14 14:47 ` [tip: objtool/core] " tip-bot2 for Josh Poimboeuf
2023-04-12 19:03 ` [PATCH v2 2/9] objtool: Add WARN_INSN() Josh Poimboeuf
2023-04-14 14:47 ` [tip: objtool/core] " tip-bot2 for Josh Poimboeuf
2023-04-12 19:03 ` [PATCH v2 3/9] objtool: Limit unreachable warnings to once per function Josh Poimboeuf
2023-04-13 8:01 ` Peter Zijlstra
2023-04-13 15:03 ` Josh Poimboeuf
2023-04-12 19:03 ` [PATCH v2 4/9] objtool: Add symbol iteration helpers Josh Poimboeuf
2023-04-14 14:47 ` [tip: objtool/core] " tip-bot2 for Josh Poimboeuf
2023-04-12 19:03 ` [PATCH v2 5/9] objtool: Add verbose option for disassembling affected functions Josh Poimboeuf
2023-04-13 8:05 ` Peter Zijlstra
2023-04-13 15:05 ` Josh Poimboeuf
2023-04-13 8:08 ` Peter Zijlstra [this message]
2023-04-13 14:03 ` Miroslav Benes
2023-04-13 15:09 ` Josh Poimboeuf
2023-04-12 19:03 ` [PATCH v2 6/9] objtool: Include backtrace in verbose mode Josh Poimboeuf
2023-04-12 19:03 ` [PATCH v2 7/9] objtool: Remove superfluous dead_end_function() check Josh Poimboeuf
2023-04-14 14:47 ` [tip: objtool/core] " tip-bot2 for Josh Poimboeuf
2023-04-12 19:03 ` [PATCH v2 8/9] objtool: Detect missing __noreturn annotations Josh Poimboeuf
2023-04-13 8:48 ` Peter Zijlstra
2023-04-13 15:19 ` Josh Poimboeuf
2023-04-13 19:17 ` Peter Zijlstra
2023-04-13 14:19 ` Miroslav Benes
2023-04-13 15:32 ` Josh Poimboeuf
2023-04-12 19:03 ` [PATCH v2 9/9] objtool: Ignore exc_double_fault() __noreturn warnings Josh Poimboeuf
2023-04-13 9:24 ` Peter Zijlstra
2023-04-14 21:16 ` Nick Desaulniers
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