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Sat, 9 Mar 2024 05:52:37 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 095D620040; Sat, 9 Mar 2024 05:52:32 +0000 (GMT) Received: from localhost.localdomain (unknown [9.43.52.192]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Sat, 9 Mar 2024 05:52:31 +0000 (GMT) From: Athira Rajeev To: acme@kernel.org, jolsa@kernel.org, adrian.hunter@intel.com, irogers@google.com, namhyung@kernel.org Subject: [PATCH 3/3] tools/perf/arch/powerc: Add get_arch_regnum for powerpc Date: Sat, 9 Mar 2024 11:21:36 +0530 Message-Id: <20240309055136.96556-4-atrajeev@linux.vnet.ibm.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20240309055136.96556-1-atrajeev@linux.vnet.ibm.com> References: <20240309055136.96556-1-atrajeev@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: EYsWGzpW_J7gdbWkOmQVbR2RVXDzqDNa X-Proofpoint-GUID: BEzQ4XYIbiTlv39BTXJmtPBrwvgQp2_r X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-08_08,2024-03-06_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 lowpriorityscore=0 mlxscore=0 spamscore=0 impostorscore=0 mlxlogscore=999 priorityscore=1501 suspectscore=0 malwarescore=0 bulkscore=0 clxscore=1015 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2403090045 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: atrajeev@linux.vnet.ibm.com, kjain@linux.ibm.com, linux-perf-users@vger.kernel.org, maddy@linux.ibm.com, disgoel@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" The function get_dwarf_regnum() returns a DWARF register number from a register name string. This calls arch specific function get_arch_regnum to return register number for corresponding arch. Add mappings for register name to register number in powerpc code: arch/powerpc/util/dwarf-regs.c Signed-off-by: Athira Rajeev --- tools/perf/arch/powerpc/util/dwarf-regs.c | 29 +++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/tools/perf/arch/powerpc/util/dwarf-regs.c b/tools/perf/arch/powerpc/util/dwarf-regs.c index 0c4f4caf53ac..d955e3e577ea 100644 --- a/tools/perf/arch/powerpc/util/dwarf-regs.c +++ b/tools/perf/arch/powerpc/util/dwarf-regs.c @@ -98,3 +98,32 @@ int regs_query_register_offset(const char *name) return roff->ptregs_offset; return -EINVAL; } + +struct dwarf_regs_idx { + const char *name; + int idx; +}; + +static const struct dwarf_regs_idx powerpc_regidx_table[] = { + { "r0", 0 }, { "r1", 1 }, { "r2", 2 }, { "r3", 3 }, { "r4", 4 }, + { "r5", 5 }, { "r6", 6 }, { "r7", 7 }, { "r8", 8 }, { "r9", 9 }, + { "r10", 10 }, { "r11", 11 }, { "r12", 12 }, { "r13", 13 }, { "r14", 14 }, + { "r15", 15 }, { "r16", 16 }, { "r17", 17 }, { "r18", 18 }, { "r19", 19 }, + { "r20", 20 }, { "r21", 21 }, { "r22", 22 }, { "r23", 23 }, { "r24", 24 }, + { "r25", 25 }, { "r26", 26 }, { "r27", 27 }, { "r27", 27 }, { "r28", 28 }, + { "r29", 29 }, { "r30", 30 }, { "r31", 31 }, +}; + +int get_arch_regnum(const char *name) +{ + unsigned int i; + + if (*name != 'r') + return -EINVAL; + + for (i = 0; i < ARRAY_SIZE(powerpc_regidx_table); i++) + if (!strcmp(powerpc_regidx_table[i].name, name)) + return powerpc_regidx_table[i].idx; + + return -ENOENT; +}