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From: tip-bot for Josh Poimboeuf <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: palves@redhat.com, hpa@zytor.com, chris.j.arges@canonical.com,
	acme@infradead.org, mmarek@suse.cz, akpm@linux-foundation.org,
	luto@kernel.org, linux-kernel@vger.kernel.org, acme@kernel.org,
	namhyung@gmail.com, bp@alien8.de, peterz@infradead.org,
	tglx@linutronix.de, torvalds@linux-foundation.org,
	jpoimboe@redhat.com, jslaby@suse.cz, bernd@petrovitsch.priv.at,
	mingo@kernel.org
Subject: [tip:core/objtool] objtool: Compile with debugging symbols
Date: Wed, 9 Mar 2016 03:43:31 -0800	[thread overview]
Message-ID: <tip-d435fb5ef74c31909ca58f93aa87ad09b17bbe9a@git.kernel.org> (raw)
In-Reply-To: <c295e9ee9ed360dc8b2e1d180c859f11cfc151ef.1457502970.git.jpoimboe@redhat.com>

Commit-ID:  d435fb5ef74c31909ca58f93aa87ad09b17bbe9a
Gitweb:     http://git.kernel.org/tip/d435fb5ef74c31909ca58f93aa87ad09b17bbe9a
Author:     Josh Poimboeuf <jpoimboe@redhat.com>
AuthorDate: Wed, 9 Mar 2016 00:06:53 -0600
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 9 Mar 2016 10:48:08 +0100

objtool: Compile with debugging symbols

Compile objtool with debugging symbols ('-g') to help tools like perf
and gdb understand what it's doing.  Combined with '-O2', it's not
always helpful, but it's better than nothing.

Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Bernd Petrovitsch <bernd@petrovitsch.priv.at>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Chris J Arges <chris.j.arges@canonical.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Pedro Alves <palves@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: live-patching@vger.kernel.org
Link: http://lkml.kernel.org/r/c295e9ee9ed360dc8b2e1d180c859f11cfc151ef.1457502970.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 tools/objtool/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index e4a6bd5..6765c7e 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -27,7 +27,7 @@ OBJTOOL_IN := $(OBJTOOL)-in.o
 all: $(OBJTOOL)
 
 INCLUDES := -I$(srctree)/tools/include
-CFLAGS   += -Wall -Werror $(EXTRA_WARNINGS) -fomit-frame-pointer -O2 $(INCLUDES)
+CFLAGS   += -Wall -Werror $(EXTRA_WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES)
 LDFLAGS  += -lelf $(LIBSUBCMD)
 
 AWK = awk

  reply	other threads:[~2016-03-09 11:45 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-29  4:22 [PATCH v19 00/10] Compile-time stack metadata validation Josh Poimboeuf
2016-02-29  4:22 ` [PATCH v19 01/10] objtool: Mark non-standard files and directories Josh Poimboeuf
2016-02-29 10:58   ` [tip:core/objtool] objtool: Mark non-standard object " tip-bot for Josh Poimboeuf
2016-02-29  4:22 ` [PATCH v19 02/10] objtool: Add STACK_FRAME_NON_STANDARD macro Josh Poimboeuf
2016-02-29 10:58   ` [tip:core/objtool] objtool: Add STACK_FRAME_NON_STANDARD() macro tip-bot for Josh Poimboeuf
2016-02-29  4:22 ` [PATCH v19 03/10] x86/xen: Mark xen_cpuid() stack frame as non-standard Josh Poimboeuf
2016-02-29 10:59   ` [tip:core/objtool] " tip-bot for Josh Poimboeuf
2016-02-29  4:22 ` [PATCH v19 04/10] bpf: Mark __bpf_prog_run() " Josh Poimboeuf
2016-02-29 10:59   ` [tip:core/objtool] " tip-bot for Josh Poimboeuf
2016-02-29  4:22 ` [PATCH v19 05/10] sched: Mark __schedule() " Josh Poimboeuf
2016-02-29 10:59   ` [tip:core/objtool] " tip-bot for Josh Poimboeuf
2016-02-29  4:22 ` [PATCH v19 06/10] sched: always inline context_switch() Josh Poimboeuf
2016-02-29 11:00   ` [tip:core/objtool] sched: Always " tip-bot for Josh Poimboeuf
2016-02-29  4:22 ` [PATCH v19 07/10] x86/kprobes: Mark kretprobe_trampoline() stack frame as non-standard Josh Poimboeuf
2016-02-29 11:00   ` [tip:core/objtool] " tip-bot for Josh Poimboeuf
2016-02-29  4:22 ` [PATCH v19 08/10] objtool: Compile-time stack metadata validation Josh Poimboeuf
2016-02-29 11:01   ` [tip:core/objtool] objtool: Add tool to perform compile-time " tip-bot for Josh Poimboeuf
2016-02-29  4:22 ` [PATCH v19 09/10] objtool: Add CONFIG_STACK_VALIDATION option Josh Poimboeuf
2016-02-29 11:01   ` [tip:core/objtool] " tip-bot for Josh Poimboeuf
2016-03-03 14:12     ` Sebastian Andrzej Siewior
2016-03-03 14:56       ` Josh Poimboeuf
2016-02-29  4:22 ` [PATCH v19 10/10] objtool: Enable stack metadata validation on x86_64 Josh Poimboeuf
2016-02-29 11:01   ` [tip:core/objtool] objtool: Enable stack metadata validation on 64-bit x86 tip-bot for Josh Poimboeuf
2016-03-08 10:37 ` [PATCH v19 00/10] Compile-time stack metadata validation Ingo Molnar
2016-03-08 12:29   ` Josh Poimboeuf
2016-03-08 13:44     ` Ingo Molnar
2016-03-08 14:21       ` Josh Poimboeuf
2016-03-08 15:15         ` Ingo Molnar
2016-03-08 15:49           ` Ingo Molnar
2016-03-09  6:06             ` [PATCH 00/11] Various objtool fixes Josh Poimboeuf
2016-03-09  6:06               ` [PATCH 01/11] objtool: Prevent infinite recursion in noreturn detection Josh Poimboeuf
2016-03-09 11:42                 ` [tip:core/objtool] " tip-bot for Josh Poimboeuf
2016-03-09  6:06               ` [PATCH 02/11] objtool: Detect infinite recursion Josh Poimboeuf
2016-03-09 11:43                 ` [tip:core/objtool] " tip-bot for Josh Poimboeuf
2016-03-09  6:06               ` [PATCH 03/11] objtool: Compile with debugging symbols Josh Poimboeuf
2016-03-09 11:43                 ` tip-bot for Josh Poimboeuf [this message]
2016-03-09  6:06               ` [PATCH 04/11] objtool: Fix false positive warnings related to sibling calls Josh Poimboeuf
2016-03-09 11:43                 ` [tip:core/objtool] " tip-bot for Josh Poimboeuf
2016-03-09  6:06               ` [PATCH 05/11] objtool: Add helper macros for traversing instructions Josh Poimboeuf
2016-03-09 11:44                 ` [tip:core/objtool] " tip-bot for Josh Poimboeuf
2016-03-09  6:06               ` [PATCH 06/11] objtool: Remove superflous INIT_LIST_HEAD Josh Poimboeuf
2016-03-09 11:44                 ` [tip:core/objtool] " tip-bot for Josh Poimboeuf
2016-03-09  6:06               ` [PATCH 07/11] objtool: Rename some variables and functions Josh Poimboeuf
2016-03-09 11:45                 ` [tip:core/objtool] " tip-bot for Josh Poimboeuf
2016-03-09  6:06               ` [PATCH 08/11] objtool: Fix false positive warnings for functions with multiple switch statements Josh Poimboeuf
2016-03-09 11:45                 ` [tip:core/objtool] " tip-bot for Josh Poimboeuf
2016-03-09  6:06               ` [PATCH 09/11] tools/objtool: Copy hashtable.h into tools directory Josh Poimboeuf
2016-03-09  9:47                 ` Ingo Molnar
2016-03-09 16:09                   ` Josh Poimboeuf
2016-03-09 18:39                     ` Ingo Molnar
2016-03-09 11:45                 ` [tip:core/objtool] tools: " tip-bot for Josh Poimboeuf
2016-03-09  6:07               ` [PATCH 10/11] objtool: Add several performance improvements Josh Poimboeuf
2016-03-09 11:46                 ` [tip:core/objtool] " tip-bot for Josh Poimboeuf
2016-03-09  6:07               ` [PATCH 11/11] objtool: Only print one warning per function Josh Poimboeuf
2016-03-09 11:46                 ` [tip:core/objtool] " tip-bot for Josh Poimboeuf

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