From patchwork Sun Jan 24 12:12:03 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marcin_Ko=C5=9Bcielnicki?= X-Patchwork-Id: 10539 Received: (qmail 14250 invoked by alias); 24 Jan 2016 12:12:31 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Delivered-To: mailing list gdb-patches@sourceware.org Received: (qmail 14177 invoked by uid 89); 24 Jan 2016 12:12:30 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.4 required=5.0 tests=AWL, BAYES_00, RP_MATCHES_RCVD, SPF_PASS autolearn=ham version=3.3.2 spammy=Mapping, sk:get_reg, Hx-languages-length:2216, 1676 X-HELO: xyzzy.0x04.net Received: from xyzzy.0x04.net (HELO xyzzy.0x04.net) (109.74.193.254) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Sun, 24 Jan 2016 12:12:28 +0000 Received: from hogfather.0x04.net (89-65-66-135.dynamic.chello.pl [89.65.66.135]) by xyzzy.0x04.net (Postfix) with ESMTPS id 945B53FE6A for ; Sun, 24 Jan 2016 13:13:10 +0100 (CET) Received: by hogfather.0x04.net (Postfix, from userid 1000) id 0E0A55800AC; Sun, 24 Jan 2016 13:12:24 +0100 (CET) From: =?UTF-8?q?Marcin=20Ko=C5=9Bcielnicki?= To: gdb-patches@sourceware.org Cc: =?UTF-8?q?Marcin=20Ko=C5=9Bcielnicki?= Subject: [PATCH 2/8] gdb/s390: Fill write_guessed_tracepoint_pc hook. Date: Sun, 24 Jan 2016 13:12:03 +0100 Message-Id: <1453637529-26972-3-git-send-email-koriakin@0x04.net> In-Reply-To: <1453637529-26972-1-git-send-email-koriakin@0x04.net> References: <1453637529-26972-1-git-send-email-koriakin@0x04.net> MIME-Version: 1.0 X-IsSubscribed: yes gdb/ChangeLog: * s390-linux-tdep.c (s390_write_guessed_tracepoint_pc): New function. (s390_gdbarch_init): Fill write_guessed_tracepoint_pc hook. --- gdb/ChangeLog | 5 +++++ gdb/s390-linux-tdep.c | 17 +++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 983a243..9e92ae3 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,10 @@ 2016-01-24 Marcin Kościelnicki + * s390-linux-tdep.c (s390_write_guessed_tracepoint_pc): New function. + (s390_gdbarch_init): Fill write_guessed_tracepoint_pc hook. + +2016-01-24 Marcin Kościelnicki + * gdbarch.c: Regenerate. * gdbarch.h: Regenerate. * gdbarch.sh: Add write_guessed_tracepoint_pc hook. diff --git a/gdb/s390-linux-tdep.c b/gdb/s390-linux-tdep.c index e827684..c4d25d2 100644 --- a/gdb/s390-linux-tdep.c +++ b/gdb/s390-linux-tdep.c @@ -167,6 +167,22 @@ s390_write_pc (struct regcache *regcache, CORE_ADDR pc) regcache_cooked_write_unsigned (regcache, S390_SYSTEM_CALL_REGNUM, 0); } +static void +s390_write_guessed_tracepoint_pc (struct regcache *regcache, CORE_ADDR pc) +{ + struct gdbarch *gdbarch = get_regcache_arch (regcache); + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); + int sz = register_size (gdbarch, S390_PSWA_REGNUM); + gdb_byte *reg = (gdb_byte *) alloca (sz); + + /* 31-bit PSWA needs high bit set. */ + if (tdep->abi == ABI_LINUX_S390) + pc |= 0x80000000; + + store_unsigned_integer (reg, sz, gdbarch_byte_order (gdbarch), pc); + regcache_raw_supply (regcache, S390_PSWA_REGNUM, reg); +} + /* DWARF Register Mapping. */ @@ -7857,6 +7873,7 @@ s390_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) s390_iterate_over_regset_sections); set_gdbarch_cannot_store_register (gdbarch, s390_cannot_store_register); set_gdbarch_write_pc (gdbarch, s390_write_pc); + set_gdbarch_write_guessed_tracepoint_pc (gdbarch, s390_write_guessed_tracepoint_pc); set_gdbarch_pseudo_register_read (gdbarch, s390_pseudo_register_read); set_gdbarch_pseudo_register_write (gdbarch, s390_pseudo_register_write); set_tdesc_pseudo_register_name (gdbarch, s390_pseudo_register_name);