mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-13 00:26:35 +00:00
586 lines
No EOL
26 KiB
C++
586 lines
No EOL
26 KiB
C++
/*
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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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#include "dmnt2_gdb_server_impl.hpp"
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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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"<osabi>GNU/Linux</osabi>"
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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) {
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packet += len;
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return true;
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} else {
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return false;
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}
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}
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void SetReplyOk(char *reply) {
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std::strcpy(reply, "OK");
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}
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void SetReplyError(char *reply, const char *err) {
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AMS_DMNT2_GDB_LOG_ERROR("Reply Error: %s\n", err);
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std::strcpy(reply, err);
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}
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void SetReply(char *reply, const char *fmt, ...) __attribute__((format(printf, 2, 3)));
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void SetReply(char *reply, const char *fmt, ...) {
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std::va_list vl;
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va_start(vl, fmt);
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util::VSNPrintf(reply, GdbPacketBufferSize, fmt, vl);
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va_end(vl);
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}
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void AppendReply(char *reply, const char *fmt, ...) __attribute__((format(printf, 2, 3)));
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void AppendReply(char *reply, const char *fmt, ...) {
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const auto len = std::strlen(reply);
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std::va_list vl;
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va_start(vl, fmt);
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util::VSNPrintf(reply + len, GdbPacketBufferSize - len, fmt, vl);
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va_end(vl);
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}
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constexpr int DecodeHex(char c) {
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if ('a' <= c && c <= 'f') {
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return 10 + (c - 'a');
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} else if ('A' <= c && c <= 'F') {
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return 10 + (c - 'A');
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} else if ('0' <= c && c <= '9') {
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return 0 + (c - '0');
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} else {
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return -1;
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}
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}
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void ParseOffsetLength(const char *packet, u32 &offset, u32 &length) {
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/* Default to zero. */
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offset = 0;
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length = 0;
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bool parsed_offset = false;
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while (*packet) {
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const char c = *(packet++);
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if (c == ',') {
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parsed_offset = true;
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} else if (auto hex = DecodeHex(c); hex >= 0) {
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if (parsed_offset) {
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length <<= 4;
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length |= hex;
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} else {
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offset <<= 4;
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offset |= hex;
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}
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}
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}
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AMS_DMNT2_GDB_LOG_DEBUG("Offset/Length %x/%x\n", offset, length);
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}
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constinit char g_process_list_buffer[0x2000];
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}
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GdbServerImpl::GdbServerImpl(int socket) : m_socket(socket), m_session(socket), m_packet_io() { /* ... */ }
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GdbServerImpl::~GdbServerImpl() { /* ... */ }
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void GdbServerImpl::LoopProcess() {
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/* Process packets. */
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while (m_session.IsValid()) {
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/* Receive a packet. */
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bool do_break = false;
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char recv_buf[GdbPacketBufferSize];
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char *packet = this->ReceivePacket(std::addressof(do_break), recv_buf, sizeof(recv_buf));
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if (!do_break && packet != nullptr) {
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/* Process the packet. */
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char reply_buffer[GdbPacketBufferSize];
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this->ProcessPacket(packet, reply_buffer);
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/* Send packet. */
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this->SendPacket(std::addressof(do_break), reply_buffer);
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|
}
|
|
}
|
|
}
|
|
|
|
void GdbServerImpl::ProcessPacket(char *receive, char *reply) {
|
|
/* Set our fields. */
|
|
m_receive_packet = receive;
|
|
m_reply_packet = reply;
|
|
|
|
/* 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]) {
|
|
case 'H':
|
|
this->H();
|
|
break;
|
|
case 'q':
|
|
this->q();
|
|
break;
|
|
case '!':
|
|
SetReplyOk(m_reply_packet);
|
|
break;
|
|
case '?':
|
|
this->QuestionMark();
|
|
break;
|
|
default:
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Not Implemented: %s\n", m_receive_packet);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void GdbServerImpl::H() {
|
|
if (this->HasDebugProcess()) {
|
|
/* TODO */
|
|
SetReplyError(m_reply_packet, "E01");
|
|
} 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:")) {
|
|
this->qSupported();
|
|
} else if (ParsePrefix(m_receive_packet, "qXfer:")) {
|
|
this->qXfer();
|
|
} else {
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Not Implemented q: %s\n", m_receive_packet);
|
|
}
|
|
}
|
|
|
|
void GdbServerImpl::qAttached() {
|
|
if (this->HasDebugProcess()) {
|
|
/* TODO: Parse/Save the requested process id */
|
|
SetReply(m_reply_packet, "1");
|
|
} else {
|
|
SetReplyError(m_reply_packet, "E01");
|
|
}
|
|
}
|
|
|
|
void GdbServerImpl::qC() {
|
|
if (this->HasDebugProcess()) {
|
|
/* TODO */
|
|
SetReplyError(m_reply_packet, "E01");
|
|
} else {
|
|
SetReplyError(m_reply_packet, "E01");
|
|
}
|
|
}
|
|
|
|
void GdbServerImpl::qSupported() {
|
|
/* 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+");
|
|
AppendReply(m_reply_packet, ";qXfer:libraries:read+");
|
|
AppendReply(m_reply_packet, ";qXfer:threads:read+");
|
|
AppendReply(m_reply_packet, ";swbreak+");
|
|
AppendReply(m_reply_packet, ";hwbreak+");
|
|
}
|
|
|
|
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();
|
|
} 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. */
|
|
u32 offset, length;
|
|
|
|
if (ParsePrefix(m_receive_packet, "target.xml:")) {
|
|
/* Parse offset/length. */
|
|
ParseOffsetLength(m_receive_packet, offset, length);
|
|
|
|
/* Send the desired xml. */
|
|
/* TODO: Detection of debug-process as 64 bit or not. */
|
|
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);
|
|
SetReplyError(m_reply_packet, "E01");
|
|
}
|
|
}
|
|
|
|
void GdbServerImpl::qXferOsdataRead() {
|
|
/* Handle the qXfer. */
|
|
u32 offset, length;
|
|
|
|
if (ParsePrefix(m_receive_packet, "processes:")) {
|
|
/* Parse offset/length. */
|
|
ParseOffsetLength(m_receive_packet, offset, length);
|
|
|
|
/* If doing a fresh read, generate the process list. */
|
|
if (offset == 0) {
|
|
/* Clear the process list buffer. */
|
|
g_process_list_buffer[0] = 0;
|
|
|
|
/* Set header. */
|
|
SetReply(g_process_list_buffer, "<?xml version=\"1.0\"?>\n<!DOCTYPE target SYSTEM \"osdata.dtd\">\n<osdata type=\"processes\">\n");
|
|
|
|
/* 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;
|
|
while (true) {
|
|
R_ABORT_UNLESS(svc::GetDebugEvent(std::addressof(d), handle));
|
|
if (d.type == svc::DebugEvent_CreateProcess) {
|
|
AppendReply(g_process_list_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);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Set footer. */
|
|
AppendReply(g_process_list_buffer, "</osdata>");
|
|
}
|
|
|
|
/* Copy out the process list. */
|
|
const u32 annex_len = std::strlen(g_process_list_buffer);
|
|
if (offset <= annex_len) {
|
|
if (offset + length < annex_len) {
|
|
m_reply_packet[0] = 'm';
|
|
std::memcpy(m_reply_packet + 1, g_process_list_buffer + offset, length);
|
|
m_reply_packet[1 + length] = 0;
|
|
} else {
|
|
const auto size = annex_len - offset;
|
|
|
|
m_reply_packet[0] = 'l';
|
|
std::memcpy(m_reply_packet + 1, g_process_list_buffer + offset, size);
|
|
m_reply_packet[1 + size] = 0;
|
|
}
|
|
} else {
|
|
SetReply(m_reply_packet, "l");
|
|
}
|
|
} else {
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Not Implemented qxfer:osdata:read: %s\n", m_receive_packet);
|
|
SetReplyError(m_reply_packet, "E01");
|
|
}
|
|
}
|
|
|
|
void GdbServerImpl::QuestionMark() {
|
|
/* TODO */
|
|
AMS_DMNT2_GDB_LOG_DEBUG("Not Implemented QuestionMark\n");
|
|
SetReply(m_reply_packet, "W00");
|
|
}
|
|
|
|
} |