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Provide x86_64 target descriptions

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momo5502
2025-01-19 09:37:59 +01:00
parent 270dbf000c
commit 192d5687ff
5 changed files with 262 additions and 9 deletions
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36
src/gdb-stub/gdb_stub.cpp
View File

@@ -49,15 +49,45 @@ namespace gdb_stub
return {name, args};
}
void handle_features(connection_handler& connection, debugging_handler& handler, const std::string_view payload)
{
const auto [command, args] = split_string(payload, ':');
if (command != "read")
{
connection.send_reply({});
return;
}
const auto [file, data] = split_string(args, ':');
size_t offset{}, length{};
rt_assert(sscanf_s(std::string(data).c_str(), "%zx,%zx", &offset, &length) == 2);
const auto target_description = handler.get_target_description(file);
if (offset >= target_description.size())
{
connection.send_reply("l");
return;
}
const auto remaining = target_description.size() - offset;
const auto real_length = std::min(remaining, length);
const auto is_end = real_length == remaining;
const auto sub_region = target_description.substr(offset, real_length);
connection.send_reply((is_end ? "l" : "m") + sub_region);
}
void process_xfer(connection_handler& connection, debugging_handler& handler, const std::string_view payload)
{
auto [name, args] = split_string(payload, ':');
if (name == "features")
{
connection.send_reply("l<target version=\"1.0\"><architecture>" //
+ handler.get_target_description() //
+ "</architecture></target>");
handle_features(connection, handler, args);
}
else
{

2
src/gdb-stub/gdb_stub.hpp
View File

@@ -42,7 +42,7 @@ namespace gdb_stub
virtual void on_interrupt() = 0;
virtual std::string get_target_description() = 0;
virtual std::string get_target_description(std::string_view file) = 0;
};
bool run_gdb_stub(const network::address& bind_address, debugging_handler& handler);

5
src/windows-emulator/debugging/win_x64_gdb_stub_handler.hpp
View File

@@ -40,11 +40,6 @@ class win_x64_gdb_stub_handler : public x64_gdb_stub_handler
return gdb_stub::action::resume;
}
std::string get_target_description() override
{
return "i386:x86-64";
}
private:
windows_emulator* win_emu_{};
};

13
src/windows-emulator/debugging/x64_gdb_stub_handler.hpp
View File

@@ -4,6 +4,8 @@
#include <utils/concurrency.hpp>
#include <gdb-stub/gdb_stub.hpp>
#include "x64_target_descriptions.hpp"
inline std::vector gdb_registers{
x64_register::rax, x64_register::rbx, x64_register::rcx, x64_register::rdx, x64_register::rsi, x64_register::rdi,
x64_register::rbp, x64_register::rsp, x64_register::r8, x64_register::r9, x64_register::r10, x64_register::r11,
@@ -211,6 +213,17 @@ class x64_gdb_stub_handler : public gdb_stub::debugging_handler
this->emu_->stop();
}
std::string get_target_description(const std::string_view file) override
{
const auto entry = x64_target_descriptions.find(file);
if (entry == x64_target_descriptions.end())
{
return {};
}
return entry->second;
}
private:
x64_emulator* emu_{};

215
src/windows-emulator/debugging/x64_target_descriptions.hpp Normal file
View File

@@ -0,0 +1,215 @@
#pragma once
#include <map>
#include <string>
inline std::map<std::string, std::string, std::less<>> x64_target_descriptions{
{
"target.xml",
R"__xml__(<?xml version="1.0"?>
<!-- Copyright (C) 2010-2018 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. -->
<!-- AMD64 with AVX -->
<!DOCTYPE target SYSTEM "gdb-target.dtd">
<target>
<architecture>i386:x86-64</architecture>
<xi:include href="64bit-core.xml"/>
<xi:include href="64bit-sse.xml"/>
<xi:include href="64bit-segments.xml"/>
<xi:include href="64bit-avx.xml"/>
</target>
)__xml__",
},
{
"64bit-core.xml",
R"__xml__(<?xml version="1.0"?>
<!-- Copyright (C) 2010-2018 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. -->
<!DOCTYPE feature SYSTEM "gdb-target.dtd">
<feature name="org.gnu.gdb.i386.core">
<flags id="i386_eflags" size="4">
<field name="CF" start="0" end="0"/>
<field name="" start="1" end="1"/>
<field name="PF" start="2" end="2"/>
<field name="AF" start="4" end="4"/>
<field name="ZF" start="6" end="6"/>
<field name="SF" start="7" end="7"/>
<field name="TF" start="8" end="8"/>
<field name="IF" start="9" end="9"/>
<field name="DF" start="10" end="10"/>
<field name="OF" start="11" end="11"/>
<field name="NT" start="14" end="14"/>
<field name="RF" start="16" end="16"/>
<field name="VM" start="17" end="17"/>
<field name="AC" start="18" end="18"/>
<field name="VIF" start="19" end="19"/>
<field name="VIP" start="20" end="20"/>
<field name="ID" start="21" end="21"/>
</flags>
<reg name="rax" bitsize="64" type="int64"/>
<reg name="rbx" bitsize="64" type="int64"/>
<reg name="rcx" bitsize="64" type="int64"/>
<reg name="rdx" bitsize="64" type="int64"/>
<reg name="rsi" bitsize="64" type="int64"/>
<reg name="rdi" bitsize="64" type="int64"/>
<reg name="rbp" bitsize="64" type="data_ptr"/>
<reg name="rsp" bitsize="64" type="data_ptr"/>
<reg name="r8" bitsize="64" type="int64"/>
<reg name="r9" bitsize="64" type="int64"/>
<reg name="r10" bitsize="64" type="int64"/>
<reg name="r11" bitsize="64" type="int64"/>
<reg name="r12" bitsize="64" type="int64"/>
<reg name="r13" bitsize="64" type="int64"/>
<reg name="r14" bitsize="64" type="int64"/>
<reg name="r15" bitsize="64" type="int64"/>
<reg name="rip" bitsize="64" type="code_ptr"/>
<reg name="eflags" bitsize="32" type="i386_eflags"/>
<reg name="cs" bitsize="32" type="int32"/>
<reg name="ss" bitsize="32" type="int32"/>
<reg name="ds" bitsize="32" type="int32"/>
<reg name="es" bitsize="32" type="int32"/>
<reg name="fs" bitsize="32" type="int32"/>
<reg name="gs" bitsize="32" type="int32"/>
<reg name="st0" bitsize="80" type="i387_ext"/>
<reg name="st1" bitsize="80" type="i387_ext"/>
<reg name="st2" bitsize="80" type="i387_ext"/>
<reg name="st3" bitsize="80" type="i387_ext"/>
<reg name="st4" bitsize="80" type="i387_ext"/>
<reg name="st5" bitsize="80" type="i387_ext"/>
<reg name="st6" bitsize="80" type="i387_ext"/>
<reg name="st7" bitsize="80" type="i387_ext"/>
<reg name="fctrl" bitsize="32" type="int" group="float"/>
<reg name="fstat" bitsize="32" type="int" group="float"/>
<reg name="ftag" bitsize="32" type="int" group="float"/>
<reg name="fiseg" bitsize="32" type="int" group="float"/>
<reg name="fioff" bitsize="32" type="int" group="float"/>
<reg name="foseg" bitsize="32" type="int" group="float"/>
<reg name="fooff" bitsize="32" type="int" group="float"/>
<reg name="fop" bitsize="32" type="int" group="float"/>
</feature>
)__xml__",
},
{
"64bit-sse.xml",
R"__xml__(<?xml version="1.0"?>
<!-- Copyright (C) 2010-2018 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. -->
<!DOCTYPE feature SYSTEM "gdb-target.dtd">
<feature name="org.gnu.gdb.i386.sse">
<vector id="v4f" type="ieee_single" count="4"/>
<vector id="v2d" type="ieee_double" count="2"/>
<vector id="v16i8" type="int8" count="16"/>
<vector id="v8i16" type="int16" count="8"/>
<vector id="v4i32" type="int32" count="4"/>
<vector id="v2i64" type="int64" count="2"/>
<union id="vec128">
<field name="v4_float" type="v4f"/>
<field name="v2_double" type="v2d"/>
<field name="v16_int8" type="v16i8"/>
<field name="v8_int16" type="v8i16"/>
<field name="v4_int32" type="v4i32"/>
<field name="v2_int64" type="v2i64"/>
<field name="uint128" type="uint128"/>
</union>
<flags id="i386_mxcsr" size="4">
<field name="IE" start="0" end="0"/>
<field name="DE" start="1" end="1"/>
<field name="ZE" start="2" end="2"/>
<field name="OE" start="3" end="3"/>
<field name="UE" start="4" end="4"/>
<field name="PE" start="5" end="5"/>
<field name="DAZ" start="6" end="6"/>
<field name="IM" start="7" end="7"/>
<field name="DM" start="8" end="8"/>
<field name="ZM" start="9" end="9"/>
<field name="OM" start="10" end="10"/>
<field name="UM" start="11" end="11"/>
<field name="PM" start="12" end="12"/>
<field name="FZ" start="15" end="15"/>
</flags>
<reg name="xmm0" bitsize="128" type="vec128" regnum="40"/>
<reg name="xmm1" bitsize="128" type="vec128"/>
<reg name="xmm2" bitsize="128" type="vec128"/>
<reg name="xmm3" bitsize="128" type="vec128"/>
<reg name="xmm4" bitsize="128" type="vec128"/>
<reg name="xmm5" bitsize="128" type="vec128"/>
<reg name="xmm6" bitsize="128" type="vec128"/>
<reg name="xmm7" bitsize="128" type="vec128"/>
<reg name="xmm8" bitsize="128" type="vec128"/>
<reg name="xmm9" bitsize="128" type="vec128"/>
<reg name="xmm10" bitsize="128" type="vec128"/>
<reg name="xmm11" bitsize="128" type="vec128"/>
<reg name="xmm12" bitsize="128" type="vec128"/>
<reg name="xmm13" bitsize="128" type="vec128"/>
<reg name="xmm14" bitsize="128" type="vec128"/>
<reg name="xmm15" bitsize="128" type="vec128"/>
<reg name="mxcsr" bitsize="32" type="i386_mxcsr" group="vector"/>
</feature>
)__xml__",
},
{
"64bit-segments.xml",
R"__xml__(<?xml version="1.0"?>
<!-- Copyright (C) 2016-2018 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. -->
<!DOCTYPE feature SYSTEM "gdb-target.dtd">
<feature name="org.gnu.gdb.i386.segments">
<reg name="fs_base" bitsize="64" type="int"/>
<reg name="gs_base" bitsize="64" type="int"/>
</feature>
)__xml__",
},
{
"64bit-avx.xml",
R"__xml__(<?xml version="1.0"?>
<!-- Copyright (C) 2010-2018 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. -->
<!DOCTYPE feature SYSTEM "gdb-target.dtd">
<feature name="org.gnu.gdb.i386.avx">
<reg name="ymm0h" bitsize="128" type="uint128"/>
<reg name="ymm1h" bitsize="128" type="uint128"/>
<reg name="ymm2h" bitsize="128" type="uint128"/>
<reg name="ymm3h" bitsize="128" type="uint128"/>
<reg name="ymm4h" bitsize="128" type="uint128"/>
<reg name="ymm5h" bitsize="128" type="uint128"/>
<reg name="ymm6h" bitsize="128" type="uint128"/>
<reg name="ymm7h" bitsize="128" type="uint128"/>
<reg name="ymm8h" bitsize="128" type="uint128"/>
<reg name="ymm9h" bitsize="128" type="uint128"/>
<reg name="ymm10h" bitsize="128" type="uint128"/>
<reg name="ymm11h" bitsize="128" type="uint128"/>
<reg name="ymm12h" bitsize="128" type="uint128"/>
<reg name="ymm13h" bitsize="128" type="uint128"/>
<reg name="ymm14h" bitsize="128" type="uint128"/>
<reg name="ymm15h" bitsize="128" type="uint128"/>
</feature>
)__xml__",
},
};