mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-23 18:56:03 +00:00
dmnt: begin working on packet parser
This commit is contained in:
Michael Scire
SciresM
parent
f85df27875
commit
a7f9729f63
3 changed files with 501 additions and 19 deletions
421
stratosphere/dmnt.gen2/source/dmnt2_gdb_packet_parser.cpp
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421
stratosphere/dmnt.gen2/source/dmnt2_gdb_packet_parser.cpp
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@ -0,0 +1,421 @@
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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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#include "dmnt2_gdb_packet_parser.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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||||||
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"\t<reg name=\"d13\" bitsize=\"64\" type=\"ieee_double\"/>\n"
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||||||
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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;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
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;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
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);
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
void GdbPacketParser::Process() {
|
||||||
|
/* 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 'q':
|
||||||
|
this->q();
|
||||||
|
break;
|
||||||
|
case '!':
|
||||||
|
SetReplyOk(m_reply_packet);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
AMS_DMNT2_GDB_LOG_DEBUG("Not Implemented: %s\n", m_receive_packet);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void GdbPacketParser::q() {
|
||||||
|
if (ParsePrefix(m_receive_packet, "qSupported:")) {
|
||||||
|
this->qSupported();
|
||||||
|
} else if (ParsePrefix(m_receive_packet, "qXfer:features:read:")) {
|
||||||
|
this->qXferFeaturesRead();
|
||||||
|
} else {
|
||||||
|
AMS_DMNT2_GDB_LOG_DEBUG("Not Implemented q: %s\n", m_receive_packet);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void GdbPacketParser::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 GdbPacketParser::qXferFeaturesRead() {
|
||||||
|
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);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
42
stratosphere/dmnt.gen2/source/dmnt2_gdb_packet_parser.hpp
Normal file
42
stratosphere/dmnt.gen2/source/dmnt2_gdb_packet_parser.hpp
Normal file
|
|
@ -0,0 +1,42 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2018-2020 Atmosphère-NX
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or modify it
|
||||||
|
* under the terms and conditions of the GNU General Public License,
|
||||||
|
* version 2, as published by the Free Software Foundation.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||||
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||||
|
* more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*/
|
||||||
|
#pragma once
|
||||||
|
#include <stratosphere.hpp>
|
||||||
|
#include "dmnt2_gdb_packet_io.hpp"
|
||||||
|
|
||||||
|
namespace ams::dmnt {
|
||||||
|
|
||||||
|
class GdbPacketParser {
|
||||||
|
private:
|
||||||
|
char *m_receive_packet;
|
||||||
|
char *m_reply_packet;
|
||||||
|
char m_buffer[GdbPacketBufferSize / 2];
|
||||||
|
bool m_64_bit;
|
||||||
|
bool m_no_ack;
|
||||||
|
public:
|
||||||
|
GdbPacketParser(char *recv, char *reply, bool is_64_bit) : m_receive_packet(recv), m_reply_packet(reply), m_64_bit(is_64_bit), m_no_ack(false) { /* ... */ }
|
||||||
|
|
||||||
|
void Process();
|
||||||
|
|
||||||
|
bool Is64Bit() const { return m_64_bit; }
|
||||||
|
private:
|
||||||
|
void q();
|
||||||
|
|
||||||
|
void qSupported();
|
||||||
|
void qXferFeaturesRead();
|
||||||
|
};
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -15,6 +15,7 @@
|
||||||
*/
|
*/
|
||||||
#include <stratosphere.hpp>
|
#include <stratosphere.hpp>
|
||||||
#include "dmnt2_gdb_packet_io.hpp"
|
#include "dmnt2_gdb_packet_io.hpp"
|
||||||
|
#include "dmnt2_gdb_packet_parser.hpp"
|
||||||
#include "dmnt2_gdb_server.hpp"
|
#include "dmnt2_gdb_server.hpp"
|
||||||
#include "dmnt2_debug_log.hpp"
|
#include "dmnt2_debug_log.hpp"
|
||||||
|
|
||||||
|
|
@ -22,20 +23,19 @@ namespace ams::dmnt {
|
||||||
|
|
||||||
namespace {
|
namespace {
|
||||||
|
|
||||||
constexpr size_t ServerThreadStackSize = util::AlignUp(3 * GdbPacketBufferSize + os::MemoryPageSize, os::ThreadStackAlignment);
|
constexpr size_t ServerThreadStackSize = util::AlignUp(4 * GdbPacketBufferSize + os::MemoryPageSize, os::ThreadStackAlignment);
|
||||||
|
|
||||||
alignas(os::ThreadStackAlignment) constinit u8 g_server_thread_stack[ServerThreadStackSize];
|
alignas(os::ThreadStackAlignment) constinit u8 g_server_thread32_stack[ServerThreadStackSize];
|
||||||
constinit os::ThreadType g_server_thread;
|
alignas(os::ThreadStackAlignment) constinit u8 g_server_thread64_stack[ServerThreadStackSize];
|
||||||
|
|
||||||
constinit util::TypedStorage<HtcsSession> g_session;
|
constinit os::ThreadType g_server_thread32;
|
||||||
|
constinit os::ThreadType g_server_thread64;
|
||||||
|
|
||||||
void OnClientSocketAccepted(int fd) {
|
constinit util::TypedStorage<HtcsSession> g_session32;
|
||||||
/* Create htcs session for the socket. */
|
constinit util::TypedStorage<HtcsSession> g_session64;
|
||||||
util::ConstructAt(g_session, fd);
|
|
||||||
ON_SCOPE_EXIT { util::DestroyAt(g_session); };
|
|
||||||
|
|
||||||
HtcsSession *session = util::GetPointer(g_session);
|
|
||||||
|
|
||||||
|
void ProcessForHtcsSession(HtcsSession *session, bool is_64_bit) {
|
||||||
/* Create packet io handler. */
|
/* Create packet io handler. */
|
||||||
GdbPacketIo packet_io;
|
GdbPacketIo packet_io;
|
||||||
|
|
||||||
|
|
@ -47,15 +47,21 @@ namespace ams::dmnt {
|
||||||
char *packet = packet_io.ReceivePacket(std::addressof(do_break), recv_buf, sizeof(recv_buf), session);
|
char *packet = packet_io.ReceivePacket(std::addressof(do_break), recv_buf, sizeof(recv_buf), session);
|
||||||
|
|
||||||
if (!do_break && packet != nullptr) {
|
if (!do_break && packet != nullptr) {
|
||||||
AMS_DMNT2_GDB_LOG_DEBUG("Received Packet %s\n", packet);
|
/* Create a packet parser. */
|
||||||
|
char reply_buffer[GdbPacketBufferSize];
|
||||||
|
GdbPacketParser parser(packet, reply_buffer, is_64_bit);
|
||||||
|
|
||||||
/* TODO: Process packets. */
|
/* Process the packet. */
|
||||||
packet_io.SendPacket(std::addressof(do_break), "OK", session);
|
parser.Process();
|
||||||
|
|
||||||
|
/* Send packet. */
|
||||||
|
packet_io.SendPacket(std::addressof(do_break), reply_buffer, session);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
void GdbServerThreadFunction(void *) {
|
template<bool Is64Bit>
|
||||||
|
void GdbServerThreadFunction() {
|
||||||
/* Loop forever, servicing our gdb server. */
|
/* Loop forever, servicing our gdb server. */
|
||||||
while (true) {
|
while (true) {
|
||||||
/* Get a socket. */
|
/* Get a socket. */
|
||||||
|
|
@ -74,7 +80,7 @@ namespace ams::dmnt {
|
||||||
htcs::SockAddrHtcs addr;
|
htcs::SockAddrHtcs addr;
|
||||||
addr.family = htcs::HTCS_AF_HTCS;
|
addr.family = htcs::HTCS_AF_HTCS;
|
||||||
addr.peer_name = htcs::GetPeerNameAny();
|
addr.peer_name = htcs::GetPeerNameAny();
|
||||||
std::strcpy(addr.port_name.name, "iywys@$gdb");
|
std::strcpy(addr.port_name.name, Is64Bit ? "iywys@$gdb-aarch64" : "iywys@$gdb-aarch32");
|
||||||
|
|
||||||
/* Bind. */
|
/* Bind. */
|
||||||
if (htcs::Bind(fd, std::addressof(addr)) == -1) {
|
if (htcs::Bind(fd, std::addressof(addr)) == -1) {
|
||||||
|
|
@ -91,8 +97,13 @@ namespace ams::dmnt {
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Handle the client. */
|
/* Create htcs session for the socket. */
|
||||||
OnClientSocketAccepted(client_fd);
|
auto &session_storage = Is64Bit ? g_session64 : g_session32;
|
||||||
|
util::ConstructAt(session_storage, client_fd);
|
||||||
|
ON_SCOPE_EXIT { util::DestroyAt(session_storage); };
|
||||||
|
|
||||||
|
/* Process for the session. */
|
||||||
|
ProcessForHtcsSession(util::GetPointer(session_storage), Is64Bit);
|
||||||
|
|
||||||
/* Close the client socket. */
|
/* Close the client socket. */
|
||||||
htcs::Close(client_fd);
|
htcs::Close(client_fd);
|
||||||
|
|
@ -101,14 +112,22 @@ namespace ams::dmnt {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
void GdbServerThreadFunction64(void *) {
|
||||||
|
GdbServerThreadFunction<true>();
|
||||||
|
}
|
||||||
|
|
||||||
|
void GdbServerThreadFunction32(void *) {
|
||||||
|
GdbServerThreadFunction<false>();
|
||||||
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
void InitializeGdbServer() {
|
void InitializeGdbServer() {
|
||||||
/* Create and start gdb server thread. */
|
/* Create and start gdb server threads. */
|
||||||
R_ABORT_UNLESS(os::CreateThread(std::addressof(g_server_thread), GdbServerThreadFunction, nullptr, g_server_thread_stack, sizeof(g_server_thread_stack), os::HighestThreadPriority - 1));
|
R_ABORT_UNLESS(os::CreateThread(std::addressof(g_server_thread64), GdbServerThreadFunction64, nullptr, g_server_thread64_stack, sizeof(g_server_thread64_stack), os::HighestThreadPriority - 1));
|
||||||
os::StartThread(std::addressof(g_server_thread));
|
R_ABORT_UNLESS(os::CreateThread(std::addressof(g_server_thread32), GdbServerThreadFunction32, nullptr, g_server_thread32_stack, sizeof(g_server_thread32_stack), os::HighestThreadPriority - 1));
|
||||||
|
os::StartThread(std::addressof(g_server_thread64));
|
||||||
|
os::StartThread(std::addressof(g_server_thread32));
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue