2021-07-16 11:40:08 +02:00
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/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include "dmnt2_debug_log.hpp"
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2021-07-17 15:27:40 +02:00
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#include "dmnt2_gdb_server_impl.hpp"
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2021-07-16 11:40:08 +02:00
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namespace ams::dmnt {
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namespace {
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constexpr const char TargetXmlAarch64[] =
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"l<?xml version=\"1.0\"?>"
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"<!DOCTYPE target SYSTEM \"gdb-target.dtd\">"
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"<target>"
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"<architecture>aarch64</architecture>"
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"<xi:include href=\"aarch64-core.xml\"/>"
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"<xi:include href=\"aarch64-fpu.xml\"/>"
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"</target>";
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constexpr const char Aarch64CoreXml[] =
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"l<?xml version=\"1.0\"?>\n"
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"<!DOCTYPE feature SYSTEM \"gdb-target.dtd\">\n"
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"<feature name=\"org.gnu.gdb.aarch64.core\">\n"
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"\t<reg name=\"x0\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x1\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x2\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x3\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x4\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x5\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x6\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x7\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x8\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x9\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x10\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x11\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x12\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x13\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x14\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x15\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x16\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x17\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x18\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x19\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x20\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x21\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x22\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x23\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x24\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x25\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x26\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x27\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x28\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x29\" bitsize=\"64\"/>\n"
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"\t<reg name=\"x30\" bitsize=\"64\"/>\n"
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"\t<reg name=\"sp\" bitsize=\"64\" type=\"data_ptr\"/>\n"
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"\t<reg name=\"pc\" bitsize=\"64\" type=\"code_ptr\"/>\n"
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"\t<flags id=\"cpsr_flags\" size=\"4\">\n"
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"\t\t<field name=\"SP\" start=\"0\" end=\"0\" /><!-- Stack Pointer selection -->\n"
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"\t\t<field name=\"EL\" start=\"2\" end=\"3\" /><!-- Exception level -->\n"
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"\t\t<field name=\"nRW\" start=\"4\" end=\"4\" /><!-- Execution state (not Register Width) 0=64-bit 1-32-bit -->\n"
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"\n"
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"\t\t<field name=\"F\" start=\"6\" end=\"6\" /><!-- FIQ mask -->\n"
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"\t\t<field name=\"I\" start=\"7\" end=\"7\" /><!-- IRQ mask -->\n"
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"\t\t<field name=\"A\" start=\"8\" end=\"8\" /><!-- SError interrupt mask -->\n"
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"\t\t<field name=\"D\" start=\"9\" end=\"9\" /><!-- Debug mask bit -->\n"
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"\n"
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"\t\t<field name=\"SSBS\" start=\"12\" end=\"12\"/><!-- Speculative Store Bypass Safe -->\n"
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"\n"
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"\t\t<field name=\"IL\" start=\"20\" end=\"20\"/><!-- Illegal execution state -->\n"
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"\t\t<field name=\"SS\" start=\"21\" end=\"21\"/><!-- Software step -->\n"
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"\t\t<field name=\"PAN\" start=\"22\" end=\"22\"/><!-- v8.1 Privileged Access Never -->\n"
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"\t\t<field name=\"UAO\" start=\"23\" end=\"23\"/><!-- v8.2 User Access Override -->\n"
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"\t\t<field name=\"DIT\" start=\"24\" end=\"24\"/><!-- v8.4 Data Independent Timing -->\n"
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"\t\t<field name=\"TCO\" start=\"25\" end=\"25\"/><!-- v8.5 Tag Check Override -->\n"
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"\n"
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"\t\t<field name=\"V\" start=\"28\" end=\"28\"/><!-- oVerflow condition flag -->\n"
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"\t\t<field name=\"C\" start=\"29\" end=\"29\"/><!-- Carry condition flag -->\n"
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"\t\t<field name=\"Z\" start=\"30\" end=\"30\"/><!-- Zero condition flag -->\n"
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"\t\t<field name=\"N\" start=\"31\" end=\"31\"/><!-- Negative condition flag -->\n"
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"\t</flags>\n"
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"\t<reg name=\"cpsr\" bitsize=\"32\" type=\"cpsr_flags\"/>\n"
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"</feature>";
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constexpr const char Aarch64FpuXml[] =
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"l<?xml version=\"1.0\"?>\n"
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"<!DOCTYPE feature SYSTEM \"gdb-target.dtd\">\n"
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"<feature name=\"org.gnu.gdb.aarch64.fpu\">\n"
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"\t<vector id=\"v2d\" type=\"ieee_double\" count=\"2\"/>\n"
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"\t<vector id=\"v2u\" type=\"uint64\" count=\"2\"/>\n"
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"\t<vector id=\"v2i\" type=\"int64\" count=\"2\"/>\n"
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"\t<vector id=\"v4f\" type=\"ieee_single\" count=\"4\"/>\n"
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"\t<vector id=\"v4u\" type=\"uint32\" count=\"4\"/>\n"
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"\t<vector id=\"v4i\" type=\"int32\" count=\"4\"/>\n"
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"\t<!-- <vector id=\"v8f\" type=\"ieee_half\" count=\"8\"/> -->\n"
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"\t<vector id=\"v8u\" type=\"uint16\" count=\"8\"/>\n"
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"\t<vector id=\"v8i\" type=\"int16\" count=\"8\"/>\n"
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"\t<vector id=\"v16u\" type=\"uint8\" count=\"16\"/>\n"
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"\t<vector id=\"v16i\" type=\"int8\" count=\"16\"/>\n"
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"\t<vector id=\"v1u\" type=\"uint128\" count=\"1\"/>\n"
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"\t<vector id=\"v1i\" type=\"int128\" count=\"1\"/>\n"
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"\t<union id=\"vnd\">\n"
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"\t\t<field name=\"f\" type=\"v2d\"/>\n"
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"\t\t<field name=\"u\" type=\"v2u\"/>\n"
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"\t\t<field name=\"s\" type=\"v2i\"/>\n"
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"\t</union>\n"
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"\t<union id=\"vns\">\n"
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"\t\t<field name=\"f\" type=\"v4f\"/>\n"
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"\t\t<field name=\"u\" type=\"v4u\"/>\n"
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"\t\t<field name=\"s\" type=\"v4i\"/>\n"
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"\t</union>\n"
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"\t<union id=\"vnh\">\n"
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"\t\t<!-- <field name=\"f\" type=\"v8f\"/> -->\n"
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"\t\t<field name=\"u\" type=\"v8u\"/>\n"
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"\t\t<field name=\"s\" type=\"v8i\"/>\n"
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"\t</union>\n"
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"\t<union id=\"vnb\">\n"
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"\t\t<field name=\"u\" type=\"v16u\"/>\n"
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"\t\t<field name=\"s\" type=\"v16i\"/>\n"
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"\t</union>\n"
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"\t<union id=\"vnq\">\n"
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"\t\t<field name=\"u\" type=\"v1u\"/>\n"
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"\t\t<field name=\"s\" type=\"v1i\"/>\n"
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"\t</union>\n"
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"\t<union id=\"aarch64v\">\n"
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"\t\t<field name=\"d\" type=\"vnd\"/>\n"
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"\t\t<field name=\"s\" type=\"vns\"/>\n"
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"\t\t<field name=\"h\" type=\"vnh\"/>\n"
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"\t\t<field name=\"b\" type=\"vnb\"/>\n"
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"\t\t<field name=\"q\" type=\"vnq\"/>\n"
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"\t</union>\n"
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"\t<reg name=\"v0\" bitsize=\"128\" type=\"aarch64v\" regnum=\"34\"/>\n"
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"\t<reg name=\"v1\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v2\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v3\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v4\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v5\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v6\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v7\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v8\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v9\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v10\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v11\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v12\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v13\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v14\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v15\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v16\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v17\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v18\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v19\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v20\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v21\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v22\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v23\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v24\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v25\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v26\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v27\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v28\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v29\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v30\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"v31\" bitsize=\"128\" type=\"aarch64v\"/>\n"
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"\t<reg name=\"fpsr\" bitsize=\"32\"/>\n"
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"\t<reg name=\"fpcr\" bitsize=\"32\"/>\n"
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"</feature>";
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constexpr const char TargetXmlAarch32[] =
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"l<?xml version=\"1.0\"?>"
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"<!DOCTYPE target SYSTEM \"gdb-target.dtd\">"
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"<target>"
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"<xi:include href=\"arm-core.xml\"/>"
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"<xi:include href=\"arm-vfp.xml\"/>"
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"</target>";
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constexpr const char ArmCoreXml[] =
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"l<?xml version=\"1.0\"?>\n"
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"<!DOCTYPE target SYSTEM \"gdb-target.dtd\">\n"
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"<feature name=\"org.gnu.gdb.arm.core\">\n"
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"\t<reg name=\"r0\" bitsize=\"32\"/>\n"
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"\t<reg name=\"r1\" bitsize=\"32\"/>\n"
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"\t<reg name=\"r2\" bitsize=\"32\"/>\n"
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"\t<reg name=\"r3\" bitsize=\"32\"/>\n"
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"\t<reg name=\"r4\" bitsize=\"32\"/>\n"
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"\t<reg name=\"r5\" bitsize=\"32\"/>\n"
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"\t<reg name=\"r6\" bitsize=\"32\"/>\n"
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"\t<reg name=\"r7\" bitsize=\"32\"/>\n"
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"\t<reg name=\"r8\" bitsize=\"32\"/>\n"
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"\t<reg name=\"r9\" bitsize=\"32\"/>\n"
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"\t<reg name=\"r10\" bitsize=\"32\"/>\n"
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"\t<reg name=\"r11\" bitsize=\"32\"/>\n"
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"\t<reg name=\"r12\" bitsize=\"32\"/>\n"
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"\t<reg name=\"sp\" bitsize=\"32\" type=\"data_ptr\"/>\n"
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"\t<reg name=\"lr\" bitsize=\"32\"/>\n"
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"\t<reg name=\"pc\" bitsize=\"32\" type=\"code_ptr\"/>\n"
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"\t<reg name=\"cpsr\" bitsize=\"32\" regnum=\"25\"/>\n"
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"</feature>\n";
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constexpr const char ArmVfpXml[] =
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"l<?xml version=\"1.0\"?>\n"
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"<!DOCTYPE target SYSTEM \"gdb-target.dtd\">\n"
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"<feature name=\"org.gnu.gdb.arm.vfp\">\n"
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"\t<reg name=\"d0\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d1\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d2\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d3\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d4\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d5\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d6\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d7\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d8\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d9\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d10\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d11\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d12\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d13\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d14\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d15\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d16\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d17\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d18\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d19\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d20\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d21\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d22\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d23\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d24\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d25\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d26\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d27\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d28\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d29\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d30\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"d31\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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"\t<reg name=\"fpscr\" bitsize=\"32\" type=\"int\" group=\"float\"/>\n"
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"</feature>\n";
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bool ParsePrefix(char *&packet, const char *prefix) {
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const auto len = std::strlen(prefix);
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if (std::strncmp(packet, prefix, len) == 0) {
|
|
|
|
packet += len;
|
|
|
|
return true;
|
|
|
|
} else {
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void SetReplyOk(char *reply) {
|
|
|
|
std::strcpy(reply, "OK");
|
|
|
|
}
|
|
|
|
|
|
|
|
void SetReplyError(char *reply, const char *err) {
|
|
|
|
AMS_DMNT2_GDB_LOG_ERROR("Reply Error: %s\n", err);
|
|
|
|
std::strcpy(reply, err);
|
|
|
|
}
|
|
|
|
|
|
|
|
void SetReply(char *reply, const char *fmt, ...) __attribute__((format(printf, 2, 3)));
|
|
|
|
|
|
|
|
void SetReply(char *reply, const char *fmt, ...) {
|
|
|
|
std::va_list vl;
|
|
|
|
va_start(vl, fmt);
|
|
|
|
util::VSNPrintf(reply, GdbPacketBufferSize, fmt, vl);
|
|
|
|
va_end(vl);
|
|
|
|
}
|
|
|
|
|
|
|
|
void AppendReply(char *reply, const char *fmt, ...) __attribute__((format(printf, 2, 3)));
|
|
|
|
|
|
|
|
void AppendReply(char *reply, const char *fmt, ...) {
|
|
|
|
const auto len = std::strlen(reply);
|
|
|
|
|
|
|
|
std::va_list vl;
|
|
|
|
va_start(vl, fmt);
|
|
|
|
util::VSNPrintf(reply + len, GdbPacketBufferSize - len, fmt, vl);
|
|
|
|
va_end(vl);
|
|
|
|
}
|
|
|
|
|
|
|
|
constexpr int DecodeHex(char c) {
|
|
|
|
if ('a' <= c && c <= 'f') {
|
|
|
|
return 10 + (c - 'a');
|
|
|
|
} else if ('A' <= c && c <= 'F') {
|
|
|
|
return 10 + (c - 'A');
|
|
|
|
} else if ('0' <= c && c <= '9') {
|
|
|
|
return 0 + (c - '0');
|
|
|
|
} else {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-07-19 08:22:44 +02:00
|
|
|
constexpr u64 DecodeHex(const char *s) {
|
|
|
|
u64 value = 0;
|
|
|
|
|
|
|
|
while (true) {
|
|
|
|
const char c = *(s++);
|
|
|
|
|
|
|
|
if (int v = DecodeHex(c); v >= 0) {
|
|
|
|
value <<= 4;
|
|
|
|
value |= v & 0xF;
|
|
|
|
} else {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return value;
|
|
|
|
}
|
|
|
|
|
|
|
|
void MemoryToHex(char *dst, const void *mem, size_t size) {
|
|
|
|
const u8 *mem_u8 = static_cast<const u8 *>(mem);
|
|
|
|
|
|
|
|
while (size-- > 0) {
|
|
|
|
const u8 v = *(mem_u8++);
|
|
|
|
*(dst++) = "0123456789abcdef"[v >> 4];
|
|
|
|
*(dst++) = "0123456789abcdef"[v & 0xF];
|
|
|
|
}
|
|
|
|
*dst = 0;
|
|
|
|
}
|
|
|
|
|
2021-07-16 11:40:08 +02:00
|
|
|
void ParseOffsetLength(const char *packet, u32 &offset, u32 &length) {
|
|
|
|
/* Default to zero. */
|
|
|
|
offset = 0;
|
|
|
|
length = 0;
|
|
|
|
|
|
|
|
bool parsed_offset = false;
|
|
|
|
while (*packet) {
|
|
|
|
const char c = *(packet++);
|
|
|
|
if (c == ',') {
|
|
|
|
parsed_offset = true;
|
|
|
|
} else if (auto hex = DecodeHex(c); hex >= 0) {
|
|
|
|
if (parsed_offset) {
|
|
|
|
length <<= 4;
|
|
|
|
length |= hex;
|
|
|
|
} else {
|
|
|
|
offset <<= 4;
|
|
|
|
offset |= hex;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Offset/Length %x/%x\n", offset, length);
|
|
|
|
}
|
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
void SetGdbRegister32(char *dst, u32 value) {
|
|
|
|
if (value != 0) {
|
|
|
|
AppendReply(dst, "%08x", util::ConvertToBigEndian(value));
|
|
|
|
} else {
|
|
|
|
AppendReply(dst, "0*\"00");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void SetGdbRegister64(char *dst, u64 value) {
|
|
|
|
if (value != 0) {
|
|
|
|
AppendReply(dst, "%016lx", util::ConvertToBigEndian(value));
|
|
|
|
} else {
|
|
|
|
AppendReply(dst, "0*,");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void SetGdbRegister128(char *dst, u128 value) {
|
|
|
|
if (value != 0) {
|
|
|
|
AppendReply(dst, "%016lx%016lx", util::ConvertToBigEndian(static_cast<u64>(value >> 0)), util::ConvertToBigEndian(static_cast<u64>(value >> BITSIZEOF(u64))));
|
|
|
|
} else {
|
|
|
|
AppendReply(dst, "0*<");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void SetGdbRegisterPacket(char *dst, const svc::ThreadContext &thread_context, bool is_64_bit) {
|
|
|
|
/* Clear packet. */
|
|
|
|
dst[0] = 0;
|
|
|
|
|
|
|
|
if (is_64_bit) {
|
|
|
|
/* Copy general purpose registers. */
|
|
|
|
for (size_t i = 0; i < util::size(thread_context.r); ++i) {
|
|
|
|
SetGdbRegister64(dst, thread_context.r[i]);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Copy special registers. */
|
|
|
|
SetGdbRegister64(dst, thread_context.fp);
|
|
|
|
SetGdbRegister64(dst, thread_context.lr);
|
|
|
|
SetGdbRegister64(dst, thread_context.sp);
|
|
|
|
SetGdbRegister64(dst, thread_context.pc);
|
|
|
|
|
|
|
|
SetGdbRegister32(dst, thread_context.pstate);
|
|
|
|
|
|
|
|
/* Copy FPU registers. */
|
|
|
|
for (size_t i = 0; i < util::size(thread_context.v); ++i) {
|
|
|
|
SetGdbRegister128(dst, thread_context.v[i]);
|
|
|
|
}
|
|
|
|
|
|
|
|
SetGdbRegister32(dst, thread_context.fpsr);
|
|
|
|
SetGdbRegister32(dst, thread_context.fpcr);
|
|
|
|
} else {
|
|
|
|
/* Copy general purpose registers. */
|
|
|
|
for (size_t i = 0; i < 15; ++i) {
|
|
|
|
SetGdbRegister32(dst, thread_context.r[i]);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Copy special registers. */
|
|
|
|
SetGdbRegister32(dst, thread_context.pc);
|
|
|
|
SetGdbRegister32(dst, thread_context.pstate);
|
|
|
|
|
|
|
|
/* Copy FPU registers. */
|
|
|
|
for (size_t i = 0; i < util::size(thread_context.v); ++i) {
|
|
|
|
SetGdbRegister128(dst, thread_context.v[i]);
|
|
|
|
}
|
|
|
|
|
|
|
|
const u32 fpscr = (thread_context.fpsr & 0xF80000FF) | (thread_context.fpcr & 0x07FFFF00);
|
|
|
|
SetGdbRegister32(dst, fpscr);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
constinit os::SdkMutex g_annex_buffer_lock;
|
|
|
|
constinit char g_annex_buffer[0x8000];
|
|
|
|
|
|
|
|
enum AnnexBufferContents {
|
|
|
|
AnnexBufferContents_Invalid,
|
|
|
|
AnnexBufferContents_Processes,
|
|
|
|
AnnexBufferContents_Threads,
|
|
|
|
AnnexBufferContents_Libraries,
|
|
|
|
};
|
|
|
|
|
|
|
|
constinit AnnexBufferContents g_annex_buffer_contents = AnnexBufferContents_Invalid;
|
|
|
|
|
|
|
|
void GetAnnexBufferContents(char *dst, u32 offset, u32 length) {
|
|
|
|
const u32 annex_len = std::strlen(g_annex_buffer);
|
|
|
|
if (offset <= annex_len) {
|
|
|
|
if (offset + length < annex_len) {
|
|
|
|
dst[0] = 'm';
|
|
|
|
std::memcpy(dst + 1, g_annex_buffer + offset, length);
|
|
|
|
dst[1 + length] = 0;
|
|
|
|
} else {
|
|
|
|
const auto size = annex_len - offset;
|
|
|
|
|
|
|
|
dst[0] = 'l';
|
|
|
|
std::memcpy(dst + 1, g_annex_buffer + offset, size);
|
|
|
|
dst[1 + size] = 0;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
dst[0] = '1';
|
|
|
|
dst[1] = 0;
|
|
|
|
}
|
|
|
|
}
|
2021-07-17 15:27:40 +02:00
|
|
|
|
2021-07-19 08:22:44 +02:00
|
|
|
constinit os::SdkMutex g_event_request_lock;
|
|
|
|
constinit os::SdkMutex g_event_lock;
|
|
|
|
constinit os::SdkConditionVariable g_event_request_cv;
|
|
|
|
constinit os::SdkConditionVariable g_event_done_cv;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
GdbServerImpl::GdbServerImpl(int socket, void *stack, size_t stack_size) : m_socket(socket), m_session(socket), m_packet_io(), m_state(State::Initial), m_debug_process(), m_event(os::EventClearMode_AutoClear) {
|
2021-07-19 08:22:44 +02:00
|
|
|
/* Create and start the events thread. */
|
|
|
|
R_ABORT_UNLESS(os::CreateThread(std::addressof(m_events_thread), DebugEventsThreadEntry, this, stack, stack_size, os::HighestThreadPriority - 1));
|
|
|
|
os::StartThread(std::addressof(m_events_thread));
|
|
|
|
|
|
|
|
/* Set our state. */
|
|
|
|
m_state = State::Running;
|
|
|
|
}
|
|
|
|
|
|
|
|
GdbServerImpl::~GdbServerImpl() {
|
|
|
|
/* Set ourselves as killed. */
|
|
|
|
m_killed = true;
|
|
|
|
|
|
|
|
/* Signal to our events thread. */
|
|
|
|
{
|
|
|
|
std::scoped_lock lk(g_event_request_lock);
|
|
|
|
g_event_request_cv.Signal();
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Signal our event. */
|
|
|
|
m_event.Signal();
|
|
|
|
|
|
|
|
/* Wait for our thread to finish. */
|
|
|
|
os::WaitThread(std::addressof(m_events_thread));
|
|
|
|
os::DestroyThread(std::addressof(m_events_thread));
|
|
|
|
|
|
|
|
/* Clear our state. */
|
|
|
|
m_state = State::Destroyed;
|
|
|
|
|
|
|
|
/* Detach. */
|
2021-07-20 10:29:00 +02:00
|
|
|
if (this->HasDebugProcess()) {
|
|
|
|
m_debug_process.Detach();
|
2021-07-19 08:22:44 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void GdbServerImpl::DebugEventsThread() {
|
|
|
|
/* Process events. */
|
|
|
|
{
|
|
|
|
std::scoped_lock lk(g_event_lock);
|
|
|
|
|
|
|
|
/* Loop while we're not killed. */
|
|
|
|
while (!m_killed) {
|
|
|
|
/* Wait for a request to come in. */
|
|
|
|
g_event_request_cv.Wait(g_event_lock);
|
|
|
|
|
|
|
|
/* Check that we're not killed now. */
|
|
|
|
if (m_killed) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
/* Detach. */
|
|
|
|
m_debug_process.Detach();
|
2021-07-19 08:22:44 +02:00
|
|
|
|
|
|
|
/* If we have a process id, attach. */
|
2021-07-20 10:29:00 +02:00
|
|
|
if (R_FAILED(m_debug_process.Attach(m_process_id))) {
|
2021-07-19 08:22:44 +02:00
|
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Failed to attach to %016lx\n", m_process_id.value);
|
|
|
|
g_event_done_cv.Signal();
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
/* Set our process id. */
|
|
|
|
m_process_id = m_debug_process.GetProcessId();
|
2021-07-19 08:22:44 +02:00
|
|
|
|
|
|
|
/* Signal that we're done attaching. */
|
|
|
|
g_event_done_cv.Signal();
|
|
|
|
|
|
|
|
/* Process debug events without the lock held. */
|
|
|
|
{
|
|
|
|
g_event_lock.Unlock();
|
|
|
|
this->ProcessDebugEvents();
|
|
|
|
g_event_lock.Lock();
|
|
|
|
}
|
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
/* Clear our process id and detach. */
|
|
|
|
m_process_id = os::InvalidProcessId;
|
|
|
|
m_debug_process.Detach();
|
2021-07-19 08:22:44 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set our state. */
|
|
|
|
m_state = State::Exited;
|
|
|
|
}
|
|
|
|
|
|
|
|
void GdbServerImpl::ProcessDebugEvents() {
|
|
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Processing debug events for %016lx\n", m_process_id.value);
|
|
|
|
|
|
|
|
while (true) {
|
|
|
|
/* Wait for an event to come in. */
|
|
|
|
const Result wait_result = [&] ALWAYS_INLINE_LAMBDA {
|
|
|
|
std::scoped_lock lk(g_event_lock);
|
|
|
|
|
|
|
|
s32 dummy = -1;
|
2021-07-20 10:29:00 +02:00
|
|
|
svc::Handle handle = m_debug_process.GetHandle();
|
|
|
|
return svc::WaitSynchronization(std::addressof(dummy), std::addressof(handle), 1, TimeSpan::FromMilliSeconds(20).GetNanoSeconds());
|
2021-07-19 08:22:44 +02:00
|
|
|
}();
|
|
|
|
|
|
|
|
/* Check if we're killed. */
|
2021-07-20 10:29:00 +02:00
|
|
|
if (m_killed || !m_debug_process.IsValid()) {
|
2021-07-19 08:22:44 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If we didn't get an event, try again. */
|
|
|
|
if (svc::ResultTimedOut::Includes(wait_result)) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Try to get the event. */
|
|
|
|
svc::DebugEventInfo d;
|
2021-07-20 10:29:00 +02:00
|
|
|
if (R_FAILED(m_debug_process.GetProcessDebugEvent(std::addressof(d)))) {
|
2021-07-19 08:22:44 +02:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Process the event. */
|
|
|
|
switch (d.type) {
|
|
|
|
default:
|
|
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Unhandled ProcessEvent %u\n", static_cast<u32>(d.type));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2021-07-16 11:40:08 +02:00
|
|
|
}
|
|
|
|
|
2021-07-19 08:22:44 +02:00
|
|
|
void GdbServerImpl::SetStopReplyPacket(GdbSignal signal) {
|
|
|
|
/* Set the signal. */
|
|
|
|
SetReply(m_reply_packet, "T%02X", static_cast<u32>(signal));
|
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
/* Get the last thread id. */
|
|
|
|
const u64 thread_id = m_debug_process.GetLastThreadId();
|
|
|
|
|
2021-07-19 08:22:44 +02:00
|
|
|
/* Get the thread context. */
|
|
|
|
svc::ThreadContext thread_context = {};
|
2021-07-20 10:29:00 +02:00
|
|
|
m_debug_process.GetThreadContext(std::addressof(thread_context), thread_id, svc::ThreadContextFlag_General | svc::ThreadContextFlag_Control);
|
2021-07-19 08:22:44 +02:00
|
|
|
|
|
|
|
/* Add important registers. */
|
|
|
|
/* TODO: aarch32 */
|
|
|
|
{
|
|
|
|
if (thread_context.fp != 0) {
|
|
|
|
AppendReply(m_reply_packet, "1d:%016lx", util::ConvertToBigEndian(thread_context.fp));
|
|
|
|
} else {
|
|
|
|
AppendReply(m_reply_packet, "1d:0*,");
|
|
|
|
}
|
|
|
|
|
|
|
|
if (thread_context.sp != 0) {
|
|
|
|
AppendReply(m_reply_packet, ";1f:%016lx", util::ConvertToBigEndian(thread_context.sp));
|
|
|
|
} else {
|
|
|
|
AppendReply(m_reply_packet, ";1f:0*,");
|
|
|
|
}
|
2021-07-17 15:27:40 +02:00
|
|
|
|
2021-07-19 08:22:44 +02:00
|
|
|
if (thread_context.pc != 0) {
|
|
|
|
AppendReply(m_reply_packet, ";20:%016lx", util::ConvertToBigEndian(thread_context.pc));
|
|
|
|
} else {
|
|
|
|
AppendReply(m_reply_packet, ";20:0*,");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Add the thread id. */
|
2021-07-20 10:29:00 +02:00
|
|
|
AppendReply(m_reply_packet, ";thread:p%lx.%lx", m_process_id.value, thread_id);
|
2021-07-19 08:22:44 +02:00
|
|
|
|
|
|
|
/* Add the thread core. */
|
|
|
|
{
|
|
|
|
u32 core = 0;
|
2021-07-20 10:29:00 +02:00
|
|
|
m_debug_process.GetThreadCurrentCore(std::addressof(core), thread_id);
|
2021-07-19 08:22:44 +02:00
|
|
|
|
|
|
|
AppendReply(m_reply_packet, ";core:%u;", core);
|
|
|
|
}
|
|
|
|
}
|
2021-07-17 15:27:40 +02:00
|
|
|
|
|
|
|
void GdbServerImpl::LoopProcess() {
|
|
|
|
/* Process packets. */
|
|
|
|
while (m_session.IsValid()) {
|
|
|
|
/* Receive a packet. */
|
|
|
|
bool do_break = false;
|
|
|
|
char recv_buf[GdbPacketBufferSize];
|
|
|
|
char *packet = this->ReceivePacket(std::addressof(do_break), recv_buf, sizeof(recv_buf));
|
|
|
|
|
|
|
|
if (!do_break && packet != nullptr) {
|
|
|
|
/* Process the packet. */
|
|
|
|
char reply_buffer[GdbPacketBufferSize];
|
|
|
|
this->ProcessPacket(packet, reply_buffer);
|
|
|
|
|
|
|
|
/* Send packet. */
|
|
|
|
this->SendPacket(std::addressof(do_break), reply_buffer);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void GdbServerImpl::ProcessPacket(char *receive, char *reply) {
|
|
|
|
/* Set our fields. */
|
|
|
|
m_receive_packet = receive;
|
|
|
|
m_reply_packet = reply;
|
|
|
|
|
2021-07-16 11:40:08 +02:00
|
|
|
/* Log the packet we're processing. */
|
|
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Receive: %s\n", m_receive_packet);
|
|
|
|
|
|
|
|
/* Clear our reply packet. */
|
|
|
|
m_reply_packet[0] = 0;
|
|
|
|
|
|
|
|
/* Handle the received packet. */
|
|
|
|
switch (m_receive_packet[0]) {
|
2021-07-17 15:27:40 +02:00
|
|
|
case 'H':
|
|
|
|
this->H();
|
|
|
|
break;
|
2021-07-19 08:22:44 +02:00
|
|
|
case 'g':
|
|
|
|
if (!this->g()) {
|
|
|
|
m_killed = true;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case 'm':
|
|
|
|
this->m();
|
|
|
|
break;
|
|
|
|
case 'v':
|
|
|
|
this->v();
|
|
|
|
break;
|
2021-07-16 11:40:08 +02:00
|
|
|
case 'q':
|
|
|
|
this->q();
|
|
|
|
break;
|
|
|
|
case '!':
|
|
|
|
SetReplyOk(m_reply_packet);
|
|
|
|
break;
|
2021-07-17 15:27:40 +02:00
|
|
|
case '?':
|
|
|
|
this->QuestionMark();
|
|
|
|
break;
|
2021-07-16 11:40:08 +02:00
|
|
|
default:
|
|
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Not Implemented: %s\n", m_receive_packet);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-07-17 15:27:40 +02:00
|
|
|
void GdbServerImpl::H() {
|
|
|
|
if (this->HasDebugProcess()) {
|
2021-07-19 08:22:44 +02:00
|
|
|
if (ParsePrefix(m_receive_packet, "Hg") || ParsePrefix(m_receive_packet, "HG")) {
|
|
|
|
this->Hg();
|
|
|
|
} else {
|
|
|
|
SetReplyError(m_reply_packet, "E01");
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
SetReplyError(m_reply_packet, "E01");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void GdbServerImpl::Hg() {
|
2021-07-20 10:29:00 +02:00
|
|
|
bool success = false;
|
|
|
|
s64 thread_id;
|
2021-07-19 08:22:44 +02:00
|
|
|
if (const char *dot = std::strchr(m_receive_packet, '.'); dot != nullptr) {
|
2021-07-20 10:29:00 +02:00
|
|
|
thread_id = std::strcmp(dot + 1, "-1") == 0 ? -1 : static_cast<s64>(DecodeHex(dot + 1));
|
|
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Set thread id = %lx\n", thread_id);
|
|
|
|
|
|
|
|
u64 thread_ids[DebugProcess::ThreadCountMax];
|
|
|
|
s32 num_threads;
|
|
|
|
if (R_SUCCEEDED(m_debug_process.GetThreadList(std::addressof(num_threads), thread_ids, util::size(thread_ids)))) {
|
|
|
|
if (thread_id == 0) {
|
|
|
|
thread_id = thread_ids[0];
|
|
|
|
}
|
|
|
|
for (auto i = 0; i < num_threads; ++i) {
|
|
|
|
if (thread_id == -1 || static_cast<u64>(thread_id) == thread_ids[i]) {
|
|
|
|
svc::ThreadContext context;
|
|
|
|
if (R_SUCCEEDED(m_debug_process.GetThreadContext(std::addressof(context), thread_ids[i], svc::ThreadContextFlag_Control))) {
|
|
|
|
success = true;
|
|
|
|
if (thread_id != -1) {
|
|
|
|
m_debug_process.SetThreadIdOverride(thread_ids[i]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2021-07-19 08:22:44 +02:00
|
|
|
}
|
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
if (success) {
|
|
|
|
SetReplyOk(m_reply_packet);
|
|
|
|
} else {
|
|
|
|
SetReplyError(m_reply_packet, "E01");
|
|
|
|
}
|
2021-07-19 08:22:44 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
bool GdbServerImpl::g() {
|
2021-07-20 10:29:00 +02:00
|
|
|
/* Get thread id. */
|
|
|
|
u64 thread_id = m_debug_process.GetThreadIdOverride();
|
|
|
|
if (thread_id == 0 || thread_id == static_cast<u64>(-1)) {
|
|
|
|
thread_id = m_debug_process.GetLastThreadId();
|
|
|
|
}
|
2021-07-19 08:22:44 +02:00
|
|
|
|
|
|
|
/* Get thread context. */
|
|
|
|
svc::ThreadContext thread_context;
|
2021-07-20 10:29:00 +02:00
|
|
|
if (R_FAILED(m_debug_process.GetThreadContext(std::addressof(thread_context), thread_id, svc::ThreadContextFlag_All))) {
|
2021-07-19 08:22:44 +02:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
/* Populate reply packet. */
|
|
|
|
SetGdbRegisterPacket(m_reply_packet, thread_context, m_debug_process.Is64Bit());
|
2021-07-19 08:22:44 +02:00
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
void GdbServerImpl::m() {
|
|
|
|
++m_receive_packet;
|
|
|
|
|
|
|
|
/* Validate format. */
|
|
|
|
const char *comma = std::strchr(m_receive_packet, ',');
|
|
|
|
if (comma == nullptr) {
|
|
|
|
SetReplyError(m_reply_packet, "E01");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Parse address/length. */
|
|
|
|
const u64 address = DecodeHex(m_receive_packet);
|
|
|
|
const u64 length = DecodeHex(comma + 1);
|
|
|
|
if (length >= sizeof(m_buffer)) {
|
2021-07-17 15:27:40 +02:00
|
|
|
SetReplyError(m_reply_packet, "E01");
|
2021-07-19 08:22:44 +02:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Read the memory. */
|
|
|
|
/* TODO: Detect partial readability? */
|
2021-07-20 10:29:00 +02:00
|
|
|
if (R_FAILED(m_debug_process.ReadMemory(m_buffer, address, length))) {
|
2021-07-19 08:22:44 +02:00
|
|
|
SetReplyError(m_reply_packet, "E01");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Encode the memory. */
|
|
|
|
MemoryToHex(m_reply_packet, m_buffer, length);
|
|
|
|
}
|
|
|
|
|
|
|
|
void GdbServerImpl::v() {
|
|
|
|
if (ParsePrefix(m_receive_packet, "vAttach;")) {
|
|
|
|
this->vAttach();
|
|
|
|
} else {
|
|
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Not Implemented v: %s\n", m_receive_packet);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void GdbServerImpl::vAttach() {
|
|
|
|
if (!this->HasDebugProcess()) {
|
|
|
|
/* Get the process id. */
|
|
|
|
if (const u64 process_id = DecodeHex(m_receive_packet); process_id != 0) {
|
|
|
|
/* Set our process id. */
|
2021-07-20 10:29:00 +02:00
|
|
|
m_process_id = { process_id };
|
2021-07-19 08:22:44 +02:00
|
|
|
|
|
|
|
/* Wait for us to be attached. */
|
|
|
|
{
|
|
|
|
std::scoped_lock lk(g_event_request_lock);
|
|
|
|
g_event_request_cv.Signal();
|
|
|
|
if (!g_event_done_cv.TimedWait(g_event_request_lock, TimeSpan::FromSeconds(2))) {
|
|
|
|
m_event.Signal();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If we're attached, send a stop reply packet. */
|
2021-07-20 10:29:00 +02:00
|
|
|
if (m_debug_process.IsValid()) {
|
2021-07-19 08:22:44 +02:00
|
|
|
/* Set the stop reply packet. */
|
2021-07-20 10:29:00 +02:00
|
|
|
this->SetStopReplyPacket(m_debug_process.GetLastSignal());
|
2021-07-19 08:22:44 +02:00
|
|
|
} else {
|
|
|
|
SetReplyError(m_reply_packet, "E01");
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
SetReplyError(m_reply_packet, "E01");
|
|
|
|
}
|
2021-07-17 15:27:40 +02:00
|
|
|
} else {
|
|
|
|
SetReplyError(m_reply_packet, "E01");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void GdbServerImpl::q() {
|
|
|
|
if (ParsePrefix(m_receive_packet, "qAttached:")) {
|
|
|
|
this->qAttached();
|
|
|
|
} else if (ParsePrefix(m_receive_packet, "qC")) {
|
|
|
|
this->qC();
|
|
|
|
} else if (ParsePrefix(m_receive_packet, "qSupported:")) {
|
2021-07-16 11:40:08 +02:00
|
|
|
this->qSupported();
|
2021-07-17 15:27:40 +02:00
|
|
|
} else if (ParsePrefix(m_receive_packet, "qXfer:")) {
|
|
|
|
this->qXfer();
|
2021-07-16 11:40:08 +02:00
|
|
|
} else {
|
|
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Not Implemented q: %s\n", m_receive_packet);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-07-17 15:27:40 +02:00
|
|
|
void GdbServerImpl::qAttached() {
|
|
|
|
if (this->HasDebugProcess()) {
|
|
|
|
SetReply(m_reply_packet, "1");
|
|
|
|
} else {
|
|
|
|
SetReplyError(m_reply_packet, "E01");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void GdbServerImpl::qC() {
|
|
|
|
if (this->HasDebugProcess()) {
|
2021-07-19 08:22:44 +02:00
|
|
|
/* Send the thread id. */
|
2021-07-20 10:29:00 +02:00
|
|
|
SetReply(m_reply_packet, "QCp%lx.%lx", m_process_id.value, m_debug_process.GetLastThreadId());
|
2021-07-17 15:27:40 +02:00
|
|
|
} else {
|
|
|
|
SetReplyError(m_reply_packet, "E01");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void GdbServerImpl::qSupported() {
|
2021-07-16 11:40:08 +02:00
|
|
|
/* Current string from devkita64-none-elf-gdb: */
|
|
|
|
/* qSupported:multiprocess+;swbreak+;hwbreak+;qRelocInsn+;fork-events+;vfork-events+;exec-events+;vContSupported+;QThreadEvents+;no-resumed+ */
|
|
|
|
|
|
|
|
SetReply(m_reply_packet, "PacketSize=%lx", GdbPacketBufferSize - 1);
|
|
|
|
AppendReply(m_reply_packet, ";multiprocess+");
|
|
|
|
AppendReply(m_reply_packet, ";qXfer:osdata:read+");
|
|
|
|
AppendReply(m_reply_packet, ";qXfer:features:read+");
|
2021-07-20 10:29:00 +02:00
|
|
|
AppendReply(m_reply_packet, ";qXfer:libraries:read+");
|
2021-07-19 08:22:44 +02:00
|
|
|
AppendReply(m_reply_packet, ";qXfer:libraries-svr4:read+");
|
|
|
|
AppendReply(m_reply_packet, ";augmented-libraries-svr4-read+");
|
2021-07-16 11:40:08 +02:00
|
|
|
AppendReply(m_reply_packet, ";qXfer:threads:read+");
|
2021-07-20 10:29:00 +02:00
|
|
|
AppendReply(m_reply_packet, ";qXfer:exec-file:read+");
|
2021-07-16 11:40:08 +02:00
|
|
|
AppendReply(m_reply_packet, ";swbreak+");
|
|
|
|
AppendReply(m_reply_packet, ";hwbreak+");
|
2021-07-19 08:22:44 +02:00
|
|
|
AppendReply(m_reply_packet, ";vContSupported+");
|
2021-07-16 11:40:08 +02:00
|
|
|
}
|
|
|
|
|
2021-07-17 15:27:40 +02:00
|
|
|
void GdbServerImpl::qXfer() {
|
|
|
|
/* Check for osdata. */
|
|
|
|
if (ParsePrefix(m_receive_packet, "osdata:read:")) {
|
|
|
|
this->qXferOsdataRead();
|
|
|
|
} else {
|
|
|
|
/* All other qXfer require debug process. */
|
|
|
|
if (!this->HasDebugProcess()) {
|
|
|
|
SetReplyError(m_reply_packet, "E01");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Process. */
|
|
|
|
if (ParsePrefix(m_receive_packet, "features:read:")) {
|
|
|
|
this->qXferFeaturesRead();
|
2021-07-20 10:29:00 +02:00
|
|
|
} else if (ParsePrefix(m_receive_packet, "threads:read::")) {
|
2021-07-19 08:22:44 +02:00
|
|
|
if (!this->qXferThreadsRead()) {
|
|
|
|
m_killed = true;
|
|
|
|
SetReplyError(m_reply_packet, "E01");
|
|
|
|
}
|
2021-07-20 10:29:00 +02:00
|
|
|
} else if (ParsePrefix(m_receive_packet, "libraries:read::")) {
|
|
|
|
this->qXferLibrariesRead();
|
|
|
|
} else if (ParsePrefix(m_receive_packet, "exec-file:read:")) {
|
|
|
|
SetReply(m_reply_packet, "l%s", m_debug_process.GetProcessName());
|
2021-07-17 15:27:40 +02:00
|
|
|
} else {
|
|
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Not Implemented qxfer: %s\n", m_receive_packet);
|
|
|
|
SetReplyError(m_reply_packet, "E01");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void GdbServerImpl::qXferFeaturesRead() {
|
|
|
|
/* Handle the qXfer. */
|
2021-07-16 11:40:08 +02:00
|
|
|
u32 offset, length;
|
|
|
|
|
|
|
|
if (ParsePrefix(m_receive_packet, "target.xml:")) {
|
|
|
|
/* Parse offset/length. */
|
|
|
|
ParseOffsetLength(m_receive_packet, offset, length);
|
|
|
|
|
|
|
|
/* Send the desired xml. */
|
|
|
|
std::strncpy(m_reply_packet, (this->Is64Bit() ? TargetXmlAarch64 : TargetXmlAarch32) + offset, length);
|
|
|
|
m_reply_packet[length] = 0;
|
|
|
|
m_reply_packet += std::strlen(m_reply_packet);
|
|
|
|
} else if (ParsePrefix(m_receive_packet, "aarch64-core.xml:")) {
|
|
|
|
/* Parse offset/length. */
|
|
|
|
ParseOffsetLength(m_receive_packet, offset, length);
|
|
|
|
|
|
|
|
/* Send the desired xml. */
|
|
|
|
std::strncpy(m_reply_packet, Aarch64CoreXml + offset, length);
|
|
|
|
m_reply_packet[length] = 0;
|
|
|
|
m_reply_packet += std::strlen(m_reply_packet);
|
|
|
|
} else if (ParsePrefix(m_receive_packet, "aarch64-fpu.xml:")) {
|
|
|
|
/* Parse offset/length. */
|
|
|
|
ParseOffsetLength(m_receive_packet, offset, length);
|
|
|
|
|
|
|
|
/* Send the desired xml. */
|
|
|
|
std::strncpy(m_reply_packet, Aarch64FpuXml + offset, length);
|
|
|
|
m_reply_packet[length] = 0;
|
|
|
|
m_reply_packet += std::strlen(m_reply_packet);
|
|
|
|
} else if (ParsePrefix(m_receive_packet, "arm-core.xml:")) {
|
|
|
|
/* Parse offset/length. */
|
|
|
|
ParseOffsetLength(m_receive_packet, offset, length);
|
|
|
|
|
|
|
|
/* Send the desired xml. */
|
|
|
|
std::strncpy(m_reply_packet, ArmCoreXml + offset, length);
|
|
|
|
m_reply_packet[length] = 0;
|
|
|
|
m_reply_packet += std::strlen(m_reply_packet);
|
|
|
|
} else if (ParsePrefix(m_receive_packet, "arm-vfp.xml:")) {
|
|
|
|
/* Parse offset/length. */
|
|
|
|
ParseOffsetLength(m_receive_packet, offset, length);
|
|
|
|
|
|
|
|
/* Send the desired xml. */
|
|
|
|
std::strncpy(m_reply_packet, ArmVfpXml + offset, length);
|
|
|
|
m_reply_packet[length] = 0;
|
|
|
|
m_reply_packet += std::strlen(m_reply_packet);
|
|
|
|
} else {
|
|
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Not Implemented qxfer:features:read: %s\n", m_receive_packet);
|
2021-07-17 15:27:40 +02:00
|
|
|
SetReplyError(m_reply_packet, "E01");
|
2021-07-16 11:40:08 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
void GdbServerImpl::qXferLibrariesRead() {
|
|
|
|
/* Handle the qXfer. */
|
|
|
|
u32 offset, length;
|
|
|
|
|
|
|
|
/* Parse offset/length. */
|
|
|
|
ParseOffsetLength(m_receive_packet, offset, length);
|
|
|
|
|
|
|
|
/* Acquire access to the annex buffer. */
|
|
|
|
std::scoped_lock lk(g_annex_buffer_lock);
|
|
|
|
|
|
|
|
/* If doing a fresh read, generate the module list. */
|
|
|
|
if (offset == 0 || g_annex_buffer_contents != AnnexBufferContents_Libraries) {
|
|
|
|
/* Set header. */
|
|
|
|
SetReply(g_annex_buffer, "<library-list>");
|
|
|
|
|
|
|
|
/* Get the module list. */
|
|
|
|
for (size_t i = 0; i < m_debug_process.GetModuleCount(); ++i) {
|
|
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Module[%zu]: %p, %s\n", i, reinterpret_cast<void *>(m_debug_process.GetBaseAddress(i)), m_debug_process.GetModuleName(i));
|
|
|
|
|
|
|
|
AppendReply(g_annex_buffer, "<library name=\"%s\"><segment address=\"0x%lx\" /></library>", m_debug_process.GetModuleName(i), m_debug_process.GetBaseAddress(i));
|
|
|
|
}
|
|
|
|
|
|
|
|
AppendReply(g_annex_buffer, "</library-list>");
|
|
|
|
|
|
|
|
g_annex_buffer_contents = AnnexBufferContents_Libraries;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Copy out the module list. */
|
|
|
|
GetAnnexBufferContents(m_reply_packet, offset, length);
|
|
|
|
}
|
|
|
|
|
2021-07-17 15:27:40 +02:00
|
|
|
void GdbServerImpl::qXferOsdataRead() {
|
|
|
|
/* Handle the qXfer. */
|
|
|
|
u32 offset, length;
|
|
|
|
|
|
|
|
if (ParsePrefix(m_receive_packet, "processes:")) {
|
|
|
|
/* Parse offset/length. */
|
|
|
|
ParseOffsetLength(m_receive_packet, offset, length);
|
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
/* Acquire access to the annex buffer. */
|
|
|
|
std::scoped_lock lk(g_annex_buffer_lock);
|
|
|
|
|
2021-07-17 15:27:40 +02:00
|
|
|
/* If doing a fresh read, generate the process list. */
|
2021-07-20 10:29:00 +02:00
|
|
|
if (offset == 0 || g_annex_buffer_contents != AnnexBufferContents_Processes) {
|
2021-07-17 15:27:40 +02:00
|
|
|
/* Clear the process list buffer. */
|
2021-07-20 10:29:00 +02:00
|
|
|
g_annex_buffer[0] = 0;
|
2021-07-17 15:27:40 +02:00
|
|
|
|
|
|
|
/* Set header. */
|
2021-07-20 10:29:00 +02:00
|
|
|
SetReply(g_annex_buffer, "<?xml version=\"1.0\"?>\n<!DOCTYPE target SYSTEM \"osdata.dtd\">\n<osdata type=\"processes\">\n");
|
2021-07-17 15:27:40 +02:00
|
|
|
|
|
|
|
/* Get all processes. */
|
|
|
|
{
|
|
|
|
/* Get all process ids. */
|
|
|
|
u64 process_ids[0x50];
|
|
|
|
s32 num_process_ids;
|
|
|
|
R_ABORT_UNLESS(svc::GetProcessList(std::addressof(num_process_ids), process_ids, util::size(process_ids)));
|
|
|
|
|
|
|
|
/* Send all processes. */
|
|
|
|
for (s32 i = 0; i < num_process_ids; ++i) {
|
|
|
|
svc::Handle handle;
|
|
|
|
if (R_SUCCEEDED(svc::DebugActiveProcess(std::addressof(handle), process_ids[i]))) {
|
|
|
|
ON_SCOPE_EXIT { R_ABORT_UNLESS(svc::CloseHandle(handle)); };
|
|
|
|
|
|
|
|
/* Get the create process event. */
|
|
|
|
svc::DebugEventInfo d;
|
2021-07-19 08:22:44 +02:00
|
|
|
R_ABORT_UNLESS(svc::GetDebugEvent(std::addressof(d), handle));
|
|
|
|
AMS_ABORT_UNLESS(d.type == svc::DebugEvent_CreateProcess);
|
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
AppendReply(g_annex_buffer, "<item>\n<column name=\"pid\">%lu</column>\n<column name=\"command\">%s</column>\n</item>\n", d.info.create_process.process_id, d.info.create_process.name);
|
2021-07-17 15:27:40 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set footer. */
|
2021-07-20 10:29:00 +02:00
|
|
|
AppendReply(g_annex_buffer, "</osdata>");
|
|
|
|
|
|
|
|
g_annex_buffer_contents = AnnexBufferContents_Processes;
|
2021-07-17 15:27:40 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Copy out the process list. */
|
2021-07-20 10:29:00 +02:00
|
|
|
GetAnnexBufferContents(m_reply_packet, offset, length);
|
2021-07-17 15:27:40 +02:00
|
|
|
} else {
|
|
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Not Implemented qxfer:osdata:read: %s\n", m_receive_packet);
|
|
|
|
SetReplyError(m_reply_packet, "E01");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-07-19 08:22:44 +02:00
|
|
|
bool GdbServerImpl::qXferThreadsRead() {
|
2021-07-20 10:29:00 +02:00
|
|
|
/* Handle the qXfer. */
|
|
|
|
u32 offset, length;
|
2021-07-19 08:22:44 +02:00
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
/* Parse offset/length. */
|
|
|
|
ParseOffsetLength(m_receive_packet, offset, length);
|
2021-07-19 08:22:44 +02:00
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
/* Acquire access to the annex buffer. */
|
|
|
|
std::scoped_lock lk(g_annex_buffer_lock);
|
2021-07-19 08:22:44 +02:00
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
/* If doing a fresh read, generate the thread list. */
|
|
|
|
if (offset == 0 || g_annex_buffer_contents != AnnexBufferContents_Threads) {
|
|
|
|
/* Set header. */
|
|
|
|
SetReply(g_annex_buffer, "<threads>");
|
2021-07-19 08:22:44 +02:00
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
/* Get the thread list. */
|
|
|
|
u64 thread_ids[DebugProcess::ThreadCountMax];
|
|
|
|
s32 num_threads;
|
|
|
|
if (R_SUCCEEDED(m_debug_process.GetThreadList(std::addressof(num_threads), thread_ids, util::size(thread_ids)))) {
|
|
|
|
for (auto i = 0; i < num_threads; ++i) {
|
|
|
|
/* Check that we can get the thread context. */
|
|
|
|
{
|
|
|
|
svc::ThreadContext dummy_context;
|
|
|
|
if (R_FAILED(m_debug_process.GetThreadContext(std::addressof(dummy_context), thread_ids[i], svc::ThreadContextFlag_All))) {
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
}
|
2021-07-19 08:22:44 +02:00
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
/* Get the thread core. */
|
|
|
|
u32 core = 0;
|
|
|
|
m_debug_process.GetThreadCurrentCore(std::addressof(core), thread_ids[i]);
|
|
|
|
|
|
|
|
/* TODO: `name=\"%s\"`? */
|
|
|
|
AppendReply(g_annex_buffer, "<thread id=\"p%lx.%lx\" core=\"%u\"/>", m_process_id.value, thread_ids[i], core);
|
2021-07-19 08:22:44 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
AppendReply(g_annex_buffer, "</threads>");
|
|
|
|
|
|
|
|
g_annex_buffer_contents = AnnexBufferContents_Threads;
|
2021-07-19 08:22:44 +02:00
|
|
|
}
|
|
|
|
|
2021-07-20 10:29:00 +02:00
|
|
|
/* Copy out the threads list. */
|
|
|
|
GetAnnexBufferContents(m_reply_packet, offset, length);
|
2021-07-19 08:22:44 +02:00
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
2021-07-17 15:27:40 +02:00
|
|
|
void GdbServerImpl::QuestionMark() {
|
2021-07-20 10:29:00 +02:00
|
|
|
if (m_debug_process.IsValid()) {
|
|
|
|
if (m_debug_process.GetLastThreadId() == 0) {
|
|
|
|
SetReply(m_reply_packet, "X01");
|
|
|
|
} else {
|
|
|
|
this->SetStopReplyPacket(m_debug_process.GetLastSignal());
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
SetReply(m_reply_packet, "W00");
|
|
|
|
}
|
2021-07-17 15:27:40 +02:00
|
|
|
}
|
|
|
|
|
2021-07-16 11:40:08 +02:00
|
|
|
}
|