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Wed, 13 Jul 2011 09:06:21 +0000 Received: from [192.168.2.20] (helo=computer2) by plug1 with esmtp (Exim 4.72) (envelope-from ) id 1QgvOc-0000Rd-Bz for linux-arm-kernel@lists.infradead.org; Wed, 13 Jul 2011 10:06:18 +0100 Received: from tixy by computer2 with local (Exim 4.72) (envelope-from ) id 1QgvOc-0008IE-L9 for linux-arm-kernel@lists.infradead.org; Wed, 13 Jul 2011 10:06:18 +0100 From: Tixy To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 21/24] ARM: kprobes: Use new versions of emulate_ldr() and emulate_str() Date: Wed, 13 Jul 2011 10:06:10 +0100 Message-Id: <1310547973-31784-22-git-send-email-tixy@yxit.co.uk> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1310547973-31784-1-git-send-email-tixy@yxit.co.uk> References: <1310547973-31784-1-git-send-email-tixy@yxit.co.uk> X-Originating-Smarthost02-IP: [82.69.122.217] X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110713_050622_401558_D3515FD2 X-CRM114-Status: GOOD ( 13.09 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [212.23.3.141 listed in list.dnswl.org] X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Wed, 13 Jul 2011 09:11:38 +0000 (UTC) From: Jon Medhurst Signed-off-by: Jon Medhurst --- arch/arm/kernel/kprobes-arm.c | 44 +++++++++++++++++++++++++++------------- 1 files changed, 30 insertions(+), 14 deletions(-) diff --git a/arch/arm/kernel/kprobes-arm.c b/arch/arm/kernel/kprobes-arm.c index d252e78..1ee38ad 100644 --- a/arch/arm/kernel/kprobes-arm.c +++ b/arch/arm/kernel/kprobes-arm.c @@ -1275,19 +1275,25 @@ static const union decode_item arm_cccc_000x_____1xx1_table[] = { DECODE_EMULATEX (0x0e5000d0, 0x004000d0, emulate_ldrdstrd, REGS(NOPCWB, NOPCX, 0, 0, 0)), - /* Reject Rd is PC */ - /* TODO: fold this into next entry when it is made a DECODE_EMULATE */ - DECODE_REJECT (0x0000f000, 0x0000f000), - /* STRH (register) cccc 000x x0x0 xxxx xxxx xxxx 1011 xxxx */ + DECODE_EMULATEX (0x0e5000f0, 0x000000b0, emulate_str, + REGS(NOPCWB, NOPC, 0, 0, NOPC)), + /* LDRH (register) cccc 000x x0x1 xxxx xxxx xxxx 1011 xxxx */ /* LDRSB (register) cccc 000x x0x1 xxxx xxxx xxxx 1101 xxxx */ /* LDRSH (register) cccc 000x x0x1 xxxx xxxx xxxx 1111 xxxx */ + DECODE_EMULATEX (0x0e500090, 0x00100090, emulate_ldr, + REGS(NOPCWB, NOPC, 0, 0, NOPC)), + /* STRH (immediate) cccc 000x x1x0 xxxx xxxx xxxx 1011 xxxx */ + DECODE_EMULATEX (0x0e5000f0, 0x004000b0, emulate_str, + REGS(NOPCWB, NOPC, 0, 0, 0)), + /* LDRH (immediate) cccc 000x x1x1 xxxx xxxx xxxx 1011 xxxx */ /* LDRSB (immediate) cccc 000x x1x1 xxxx xxxx xxxx 1101 xxxx */ /* LDRSH (immediate) cccc 000x x1x1 xxxx xxxx xxxx 1111 xxxx */ - DECODE_CUSTOM (0x0e000090, 0x00000090, prep_emulate_ldr_str), + DECODE_EMULATEX (0x0e500090, 0x00500090, emulate_ldr, + REGS(NOPCWB, NOPC, 0, 0, 0)), DECODE_END }; @@ -1558,15 +1564,25 @@ static const union decode_item arm_cccc_01xx_table[] = { /* LDRB/STRB pc,[...] cccc 01xx x0xx xxxx xxxx xxxx xxxx xxxx */ DECODE_REJECT (0x0c40f000, 0x0440f000), - /* LDR cccc 01xx x0x1 xxxx xxxx xxxx xxxx xxxx */ - /* LDRB cccc 01xx x1x1 xxxx xxxx xxxx xxxx xxxx */ - /* LDRBT cccc 01x0 x111 xxxx xxxx xxxx xxxx xxxx */ - /* LDRT cccc 01x0 x011 xxxx xxxx xxxx xxxx xxxx */ - /* STR cccc 01xx x0x0 xxxx xxxx xxxx xxxx xxxx */ - /* STRB cccc 01xx x1x0 xxxx xxxx xxxx xxxx xxxx */ - /* STRBT cccc 01x0 x110 xxxx xxxx xxxx xxxx xxxx */ - /* STRT cccc 01x0 x010 xxxx xxxx xxxx xxxx xxxx */ - DECODE_CUSTOM (0x0c000000, 0x04000000, prep_emulate_ldr_str), + /* STR (immediate) cccc 010x x0x0 xxxx xxxx xxxx xxxx xxxx */ + /* STRB (immediate) cccc 010x x1x0 xxxx xxxx xxxx xxxx xxxx */ + DECODE_EMULATEX (0x0e100000, 0x04000000, emulate_str, + REGS(NOPCWB, ANY, 0, 0, 0)), + + /* LDR (immediate) cccc 010x x0x1 xxxx xxxx xxxx xxxx xxxx */ + /* LDRB (immediate) cccc 010x x1x1 xxxx xxxx xxxx xxxx xxxx */ + DECODE_EMULATEX (0x0e100000, 0x04100000, emulate_ldr, + REGS(NOPCWB, ANY, 0, 0, 0)), + + /* STR (register) cccc 011x x0x0 xxxx xxxx xxxx xxxx xxxx */ + /* STRB (register) cccc 011x x1x0 xxxx xxxx xxxx xxxx xxxx */ + DECODE_EMULATEX (0x0e100000, 0x06000000, emulate_str, + REGS(NOPCWB, ANY, 0, 0, NOPC)), + + /* LDR (register) cccc 011x x0x1 xxxx xxxx xxxx xxxx xxxx */ + /* LDRB (register) cccc 011x x1x1 xxxx xxxx xxxx xxxx xxxx */ + DECODE_EMULATEX (0x0e100000, 0x06100000, emulate_ldr, + REGS(NOPCWB, ANY, 0, 0, NOPC)), DECODE_END };