From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:43430) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hLhuI-00022w-7d for qemu-devel@nongnu.org; Wed, 01 May 2019 01:35:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hLhuF-0002ah-6E for qemu-devel@nongnu.org; Wed, 01 May 2019 01:35:50 -0400 From: Suraj Jitindar Singh Date: Wed, 1 May 2019 15:35:22 +1000 Message-Id: <20190501053522.10967-2-sjitindarsingh@gmail.com> In-Reply-To: <20190501053522.10967-1-sjitindarsingh@gmail.com> References: <20190501053522.10967-1-sjitindarsingh@gmail.com> Subject: [Qemu-devel] [PATCH 2/2] ppc: Add dump-stack implementation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: dgilbert@redhat.com, armbru@redhat.com, david@gibson.dropbear.id.au, qemu-ppc@nongnu.org, Suraj Jitindar Singh The monitor function dump-stack is used to dump the stack for a cpu. This can be useful for debugging purposes when the stack cannot be dumped by another means. Add a ppc implementation ppc_cpu_dump_stack(). The stack pointer is stored in R1 with the back pointer at offset 0 and the link register at offset 2. Also dump the registers from the stack frame if the marker "regshere" is found. This only dumps the kernel stack, stopping if a non-kernel address is found in the stack. Sample output: (qemu) dump-stack sp: 0xc00000007bfc5690 lr: 0xc0000000000974b8 sp: 0xc00000007bfc56f0 lr: 0xc00000000065aab4 sp: 0xc00000007bfc5720 lr: 0xc00000000065ab04 sp: 0xc00000007bfc5740 lr: 0xc0000000000c29b8 sp: 0xc00000007bfc57b0 lr: 0xc0000000000bc9e8 sp: 0xc00000007bfc57e0 lr: 0xc0000000000bd584 sp: 0xc00000007bfc5800 lr: 0xc0000000000bee14 sp: 0xc00000007bfc5ac0 lr: 0xc0000000000c2100 sp: 0xc00000007bfc5c60 lr: 0xc000000000029460 sp: 0xc00000007bfc5ca0 lr: 0xc00000000010b5e8 sp: 0xc00000007bfc5d00 lr: 0xc000000000105f34 trap : 0x0000000000000700 pc : 0xc000000000104490 msr : 0x9000000002843003 lr : 0xc000000000103ffc gpr 0: 0x0000000000000001 gpr 1: 0xc00000005051f530 gpr 2: 0xc000000001088200 gpr 3: 0x0000000000000001 gpr 4: 0xc000000032d60000 gpr 5: 0xc0000000014b8f00 gpr 6: 0x0000000000c835e0 gpr 7: 0x0000000000000000 gpr 8: 0x0000000000000000 gpr 9: 0xc000000032f00000 gpr10: 0x9000000002803033 gpr11: 0xc000000000b60f00 gpr12: 0x0000000000002000 gpr13: 0xc000000001250000 gpr14: 0x0000000000000000 gpr15: 0x0000000000000008 gpr16: 0x0000000000000000 gpr17: 0xc00000000114f790 gpr18: 0x00000000ffffffff gpr19: 0xc00000005051f8e8 gpr20: 0x0000000000000001 gpr21: 0x0000000000000000 gpr22: 0x0000000000000001 gpr23: 0x0000000000000001 gpr24: 0x0000000000000001 gpr25: 0xc0000000014b8f70 gpr26: 0x0000000000000000 gpr27: 0x0000000000000001 gpr28: 0x0000000000000001 gpr29: 0x0000000000000000 gpr30: 0xc0000000014b8f00 gpr31: 0xc0000000014b8f00 sp: 0xc00000005051f530 lr: 0x0000000000000000 sp: 0xc00000005051f600 lr: 0xc000000000103ffc sp: 0xc00000005051f670 lr: 0xc0000000000f60a8 sp: 0xc00000005051f850 lr: 0xc0000000000f18c0 sp: 0xc00000005051fa10 lr: 0xc0000000000f5184 sp: 0xc00000005051fae0 lr: 0xc0000000000ddf54 sp: 0xc00000005051fb00 lr: 0xc0000000000dab9c sp: 0xc00000005051fb90 lr: 0xc0000000000cbf88 sp: 0xc00000005051fd00 lr: 0xc0000000003e7480 sp: 0xc00000005051fdb0 lr: 0xc0000000003e7ce4 sp: 0xc00000005051fe00 lr: 0xc0000000003e7d88 sp: 0xc00000005051fe20 lr: 0xc00000000000b3a4 trap : 0x0000000000000c01 pc : 0x00007fffa6c9d8d0 msr : 0x900000000280f033 lr : 0x0000000010090f40 gpr 0: 0x0000000000000036 gpr 1: 0x00007fffa62fdd70 gpr 2: 0x00007fffa6d57300 gpr 3: 0x000000000000000d gpr 4: 0x000000002000ae80 gpr 5: 0x0000000000000000 gpr 6: 0x0000000000000537 gpr 7: 0x0000000000000000 gpr 8: 0x000000000000000d gpr 9: 0x0000000000000000 gpr10: 0x0000000000000000 gpr11: 0x0000000000000000 gpr12: 0x0000000000000000 gpr13: 0x00007fffa6306380 gpr14: 0x0000000000000000 gpr15: 0x0000000000000001 gpr16: 0x0000000039ba6928 gpr17: 0x0000000000000000 gpr18: 0x0000000000000000 gpr19: 0x00007fffa6d702f0 gpr20: 0x00007fffa62fddf0 gpr21: 0x0000000000000080 gpr22: 0x0000000000000004 gpr23: 0x0000000000000000 gpr24: 0x0000000010ac85c0 gpr25: 0x0000000000000008 gpr26: 0x00007fffa62fde10 gpr27: 0x0000000000000000 gpr28: 0x0000000000000002 gpr29: 0x0000000000000000 gpr30: 0x0000000039ba6900 gpr31: 0x0000000010ac85c0 sp: 0x00007fffa62fdd70 Signed-off-by: Suraj Jitindar Singh --- target/ppc/cpu.h | 1 + target/ppc/translate.c | 60 +++++++++++++++++++++++++++++++++++++++++ target/ppc/translate_init.inc.c | 1 + 3 files changed, 62 insertions(+) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 5e7cf54b2f..28c4dffca1 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1284,6 +1284,7 @@ struct PPCVirtualHypervisorClass { void ppc_cpu_do_interrupt(CPUState *cpu); bool ppc_cpu_exec_interrupt(CPUState *cpu, int int_req); void ppc_cpu_dump_state(CPUState *cpu, FILE *f, int flags); +void ppc_cpu_dump_stack(CPUState *cpu, FILE *f); void ppc_cpu_dump_statistics(CPUState *cpu, int flags); hwaddr ppc_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); int ppc_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg); diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 8d08625c33..b162998ce7 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -7705,6 +7705,66 @@ void ppc_cpu_dump_state(CPUState *cs, FILE *f, int flags) #undef RFPL } +struct ppc_pt_regs { + unsigned long gpr[32]; + unsigned long nip; + unsigned long msr; + unsigned long orig_gpr3; + unsigned long ctr; + unsigned long link; + unsigned long xer; + unsigned long ccr; + unsigned long softe; + unsigned long trap; + unsigned long dar; + unsigned long dsisr; + unsigned long result; +}; + +void ppc_cpu_dump_stack(CPUState *cs, FILE *f) +{ +#if defined(TARGET_PPC64) + PowerPCCPU *cpu = POWERPC_CPU(cs); + CPUPPCState *env = &cpu->env; + uint64_t sp, next_sp, lr, buf[4]; + + /* stack pointer stored in r1 */ + sp = env->gpr[1]; + + while (sp && (sp & (0xCUL << 60))) { + uint64_t marker = 0UL; + + /* read and print LR */ + cpu_physical_memory_read(sp & ~(0xCUL << 60), buf, sizeof(*buf) * 4); + next_sp = buf[0]; + lr = buf[2]; + qemu_fprintf(f, "sp: 0x%.16lx lr: 0x%.16lx\n", sp, lr); + sp &= ~(0xCUL << 60); + + /* Does the stackframe contain regs? */ + cpu_physical_memory_read(sp + 96, &marker, sizeof(marker)); + if (marker == 0x7265677368657265) { /* regshere */ + struct ppc_pt_regs regs; + int i; + + cpu_physical_memory_read(sp + 112, ®s, sizeof(regs)); + + qemu_fprintf(f, "\ttrap : 0x%.16lx\n", regs.trap); + qemu_fprintf(f, "\tpc : 0x%.16lx\n", regs.nip); + qemu_fprintf(f, "\tmsr : 0x%.16lx\n", regs.msr); + qemu_fprintf(f, "\tlr : 0x%.16lx\n", regs.link); + for (i = 0; i < 32; i++) + qemu_fprintf(f, "\tgpr%2d: 0x%.16lx\n", i, + regs.gpr[i]); + } + + sp = next_sp; + } + + qemu_fprintf(f, "sp: 0x%.16lx\n", sp); +#endif +} + void ppc_cpu_dump_statistics(CPUState *cs, int flags) { #if defined(DO_PPC_STATISTICS) diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c index 0394a9ddad..3fd24f85cc 100644 --- a/target/ppc/translate_init.inc.c +++ b/target/ppc/translate_init.inc.c @@ -10587,6 +10587,7 @@ static void ppc_cpu_class_init(ObjectClass *oc, void *data) cc->do_interrupt = ppc_cpu_do_interrupt; cc->cpu_exec_interrupt = ppc_cpu_exec_interrupt; cc->dump_state = ppc_cpu_dump_state; + cc->dump_stack = ppc_cpu_dump_stack; cc->dump_statistics = ppc_cpu_dump_statistics; cc->set_pc = ppc_cpu_set_pc; cc->gdb_read_register = ppc_cpu_gdb_read_register; -- 2.13.6 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.5 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 19A4AC43219 for ; Wed, 1 May 2019 05:37:45 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C2A2C21734 for ; Wed, 1 May 2019 05:37:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="JuFnzhxL" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C2A2C21734 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:36896 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hLhw7-0003HZ-Vt for qemu-devel@archiver.kernel.org; Wed, 01 May 2019 01:37:44 -0400 Received: from eggs.gnu.org ([209.51.188.92]:43430) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hLhuI-00022w-7d for qemu-devel@nongnu.org; Wed, 01 May 2019 01:35:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hLhuF-0002ah-6E for qemu-devel@nongnu.org; Wed, 01 May 2019 01:35:50 -0400 Received: from mail-pg1-x543.google.com ([2607:f8b0:4864:20::543]:35623) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hLhuE-0002aT-Uy; Wed, 01 May 2019 01:35:47 -0400 Received: by mail-pg1-x543.google.com with SMTP id h1so7899804pgs.2; Tue, 30 Apr 2019 22:35:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=jMPw4+T1aUXXvMawKhd3pNQEvpVoHaZ7PltWVwe184o=; b=JuFnzhxLa5wHiFRjZR095O2VlJhlehCl4vaITfsyY/BDKtHsgIb+HOTg3nW13A0Rca kUQiDtiDzMZK7FY9DctCY0rT9l8D4VvZzIgxOTUPkJ4wPOLhLcdpLWDnowYE+9n35NOi vZwqbGGhWMo0+MzoIQDdQY5uw+F4RZukZCwNJ+EeaIBLb+yOfW55fLLgu94Nkxhy1oL/ OkjFT7YNrujmXUwPB/uY2NhPs4UkIlrmKXPyXqCDsJaUvM/4aRwLDtOVhErMzm3dqVoO ypynlBSP9HW5yLKbIeOroqPsfCFHsKidz3imekDB3tiIotskThJXH19dYwOBUCzr14IF P8FQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=jMPw4+T1aUXXvMawKhd3pNQEvpVoHaZ7PltWVwe184o=; b=qHtvl2aaTAi9xAWhTOedeopjX3YS2/9Q0QDu0DQby9dyL2EOUJk+S/jN6IAjA83aXq haQe1maNkzoNTu3Eeb2rBt4pmmi8yCvT6AJJe6U5+Gz4XmAV2pvSFFStIezNKu+5nV7I Zux7EjzFG6FUT+EBL77mRvf0WBsWZTeWQIB36o3+A69p2iSrd5VId9d6hb4lai2mLgtx LE6mZPGVwfbsLRXlzxECDev9Ujp9zBrEAU3ygWrsIxybJkjsVEG5n4CLcOG6MApe7Cr3 E5Qk2JI60tzihsibKkq0/hmidLST+2NsyPkVImgXOFTW0Lbl9F+Kv0jB/yf6jv5bCR4s WEAA== X-Gm-Message-State: APjAAAWc1X/eG4+Xi7yNft4MBdwT03ZJSQD2sXLXFAVJaTgn04K507Em D7vM7OMvaeQriPvrprMY1XHuozY5 X-Google-Smtp-Source: APXvYqyKolQw7k+oWyXzPUaN4q/JRwteXrTo4Efo/wXBt7Ibq5sRhdonY9iPEb2cqEb1xjcMUZGbYA== X-Received: by 2002:a63:550c:: with SMTP id j12mr3334248pgb.450.1556688945808; Tue, 30 Apr 2019 22:35:45 -0700 (PDT) Received: from surajjs2.ozlabs.ibm.com.ozlabs.ibm.com ([122.99.82.10]) by smtp.gmail.com with ESMTPSA id h19sm62932986pfd.130.2019.04.30.22.35.42 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 30 Apr 2019 22:35:45 -0700 (PDT) From: Suraj Jitindar Singh To: qemu-devel@nongnu.org Date: Wed, 1 May 2019 15:35:22 +1000 Message-Id: <20190501053522.10967-2-sjitindarsingh@gmail.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20190501053522.10967-1-sjitindarsingh@gmail.com> References: <20190501053522.10967-1-sjitindarsingh@gmail.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::543 Subject: [Qemu-devel] [PATCH 2/2] ppc: Add dump-stack implementation X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: david@gibson.dropbear.id.au, qemu-ppc@nongnu.org, dgilbert@redhat.com, Suraj Jitindar Singh , armbru@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="UTF-8" Message-ID: <20190501053522.xnZNOporOEesprEXMjISemnHI-wdIL1cbMODxlThu38@z> The monitor function dump-stack is used to dump the stack for a cpu. This can be useful for debugging purposes when the stack cannot be dumped by another means. Add a ppc implementation ppc_cpu_dump_stack(). The stack pointer is stored in R1 with the back pointer at offset 0 and the link register at offset 2. Also dump the registers from the stack frame if the marker "regshere" is found. This only dumps the kernel stack, stopping if a non-kernel address is found in the stack. Sample output: (qemu) dump-stack sp: 0xc00000007bfc5690 lr: 0xc0000000000974b8 sp: 0xc00000007bfc56f0 lr: 0xc00000000065aab4 sp: 0xc00000007bfc5720 lr: 0xc00000000065ab04 sp: 0xc00000007bfc5740 lr: 0xc0000000000c29b8 sp: 0xc00000007bfc57b0 lr: 0xc0000000000bc9e8 sp: 0xc00000007bfc57e0 lr: 0xc0000000000bd584 sp: 0xc00000007bfc5800 lr: 0xc0000000000bee14 sp: 0xc00000007bfc5ac0 lr: 0xc0000000000c2100 sp: 0xc00000007bfc5c60 lr: 0xc000000000029460 sp: 0xc00000007bfc5ca0 lr: 0xc00000000010b5e8 sp: 0xc00000007bfc5d00 lr: 0xc000000000105f34 trap : 0x0000000000000700 pc : 0xc000000000104490 msr : 0x9000000002843003 lr : 0xc000000000103ffc gpr 0: 0x0000000000000001 gpr 1: 0xc00000005051f530 gpr 2: 0xc000000001088200 gpr 3: 0x0000000000000001 gpr 4: 0xc000000032d60000 gpr 5: 0xc0000000014b8f00 gpr 6: 0x0000000000c835e0 gpr 7: 0x0000000000000000 gpr 8: 0x0000000000000000 gpr 9: 0xc000000032f00000 gpr10: 0x9000000002803033 gpr11: 0xc000000000b60f00 gpr12: 0x0000000000002000 gpr13: 0xc000000001250000 gpr14: 0x0000000000000000 gpr15: 0x0000000000000008 gpr16: 0x0000000000000000 gpr17: 0xc00000000114f790 gpr18: 0x00000000ffffffff gpr19: 0xc00000005051f8e8 gpr20: 0x0000000000000001 gpr21: 0x0000000000000000 gpr22: 0x0000000000000001 gpr23: 0x0000000000000001 gpr24: 0x0000000000000001 gpr25: 0xc0000000014b8f70 gpr26: 0x0000000000000000 gpr27: 0x0000000000000001 gpr28: 0x0000000000000001 gpr29: 0x0000000000000000 gpr30: 0xc0000000014b8f00 gpr31: 0xc0000000014b8f00 sp: 0xc00000005051f530 lr: 0x0000000000000000 sp: 0xc00000005051f600 lr: 0xc000000000103ffc sp: 0xc00000005051f670 lr: 0xc0000000000f60a8 sp: 0xc00000005051f850 lr: 0xc0000000000f18c0 sp: 0xc00000005051fa10 lr: 0xc0000000000f5184 sp: 0xc00000005051fae0 lr: 0xc0000000000ddf54 sp: 0xc00000005051fb00 lr: 0xc0000000000dab9c sp: 0xc00000005051fb90 lr: 0xc0000000000cbf88 sp: 0xc00000005051fd00 lr: 0xc0000000003e7480 sp: 0xc00000005051fdb0 lr: 0xc0000000003e7ce4 sp: 0xc00000005051fe00 lr: 0xc0000000003e7d88 sp: 0xc00000005051fe20 lr: 0xc00000000000b3a4 trap : 0x0000000000000c01 pc : 0x00007fffa6c9d8d0 msr : 0x900000000280f033 lr : 0x0000000010090f40 gpr 0: 0x0000000000000036 gpr 1: 0x00007fffa62fdd70 gpr 2: 0x00007fffa6d57300 gpr 3: 0x000000000000000d gpr 4: 0x000000002000ae80 gpr 5: 0x0000000000000000 gpr 6: 0x0000000000000537 gpr 7: 0x0000000000000000 gpr 8: 0x000000000000000d gpr 9: 0x0000000000000000 gpr10: 0x0000000000000000 gpr11: 0x0000000000000000 gpr12: 0x0000000000000000 gpr13: 0x00007fffa6306380 gpr14: 0x0000000000000000 gpr15: 0x0000000000000001 gpr16: 0x0000000039ba6928 gpr17: 0x0000000000000000 gpr18: 0x0000000000000000 gpr19: 0x00007fffa6d702f0 gpr20: 0x00007fffa62fddf0 gpr21: 0x0000000000000080 gpr22: 0x0000000000000004 gpr23: 0x0000000000000000 gpr24: 0x0000000010ac85c0 gpr25: 0x0000000000000008 gpr26: 0x00007fffa62fde10 gpr27: 0x0000000000000000 gpr28: 0x0000000000000002 gpr29: 0x0000000000000000 gpr30: 0x0000000039ba6900 gpr31: 0x0000000010ac85c0 sp: 0x00007fffa62fdd70 Signed-off-by: Suraj Jitindar Singh --- target/ppc/cpu.h | 1 + target/ppc/translate.c | 60 +++++++++++++++++++++++++++++++++++++++++ target/ppc/translate_init.inc.c | 1 + 3 files changed, 62 insertions(+) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 5e7cf54b2f..28c4dffca1 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -1284,6 +1284,7 @@ struct PPCVirtualHypervisorClass { void ppc_cpu_do_interrupt(CPUState *cpu); bool ppc_cpu_exec_interrupt(CPUState *cpu, int int_req); void ppc_cpu_dump_state(CPUState *cpu, FILE *f, int flags); +void ppc_cpu_dump_stack(CPUState *cpu, FILE *f); void ppc_cpu_dump_statistics(CPUState *cpu, int flags); hwaddr ppc_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); int ppc_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg); diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 8d08625c33..b162998ce7 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -7705,6 +7705,66 @@ void ppc_cpu_dump_state(CPUState *cs, FILE *f, int flags) #undef RFPL } +struct ppc_pt_regs { + unsigned long gpr[32]; + unsigned long nip; + unsigned long msr; + unsigned long orig_gpr3; + unsigned long ctr; + unsigned long link; + unsigned long xer; + unsigned long ccr; + unsigned long softe; + unsigned long trap; + unsigned long dar; + unsigned long dsisr; + unsigned long result; +}; + +void ppc_cpu_dump_stack(CPUState *cs, FILE *f) +{ +#if defined(TARGET_PPC64) + PowerPCCPU *cpu = POWERPC_CPU(cs); + CPUPPCState *env = &cpu->env; + uint64_t sp, next_sp, lr, buf[4]; + + /* stack pointer stored in r1 */ + sp = env->gpr[1]; + + while (sp && (sp & (0xCUL << 60))) { + uint64_t marker = 0UL; + + /* read and print LR */ + cpu_physical_memory_read(sp & ~(0xCUL << 60), buf, sizeof(*buf) * 4); + next_sp = buf[0]; + lr = buf[2]; + qemu_fprintf(f, "sp: 0x%.16lx lr: 0x%.16lx\n", sp, lr); + sp &= ~(0xCUL << 60); + + /* Does the stackframe contain regs? */ + cpu_physical_memory_read(sp + 96, &marker, sizeof(marker)); + if (marker == 0x7265677368657265) { /* regshere */ + struct ppc_pt_regs regs; + int i; + + cpu_physical_memory_read(sp + 112, ®s, sizeof(regs)); + + qemu_fprintf(f, "\ttrap : 0x%.16lx\n", regs.trap); + qemu_fprintf(f, "\tpc : 0x%.16lx\n", regs.nip); + qemu_fprintf(f, "\tmsr : 0x%.16lx\n", regs.msr); + qemu_fprintf(f, "\tlr : 0x%.16lx\n", regs.link); + for (i = 0; i < 32; i++) + qemu_fprintf(f, "\tgpr%2d: 0x%.16lx\n", i, + regs.gpr[i]); + } + + sp = next_sp; + } + + qemu_fprintf(f, "sp: 0x%.16lx\n", sp); +#endif +} + void ppc_cpu_dump_statistics(CPUState *cs, int flags) { #if defined(DO_PPC_STATISTICS) diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c index 0394a9ddad..3fd24f85cc 100644 --- a/target/ppc/translate_init.inc.c +++ b/target/ppc/translate_init.inc.c @@ -10587,6 +10587,7 @@ static void ppc_cpu_class_init(ObjectClass *oc, void *data) cc->do_interrupt = ppc_cpu_do_interrupt; cc->cpu_exec_interrupt = ppc_cpu_exec_interrupt; cc->dump_state = ppc_cpu_dump_state; + cc->dump_stack = ppc_cpu_dump_stack; cc->dump_statistics = ppc_cpu_dump_statistics; cc->set_pc = ppc_cpu_set_pc; cc->gdb_read_register = ppc_cpu_gdb_read_register; -- 2.13.6