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Merge pull request #8409 from liamwhite/tdesc-fix

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gdbstub: fix target descriptions
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Mai M 2022-06-01 21:16:33 -04:00 committed by GitHub
commit 114a4562ed
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 87 additions and 10 deletions
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93
src/core/debugger/gdbstub_arch.cpp
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@ -46,6 +46,7 @@ std::string GDBStubA64::GetTargetXML() const {
R"(<?xml version="1.0"?> R"(<?xml version="1.0"?>
<!DOCTYPE target SYSTEM "gdb-target.dtd"> <!DOCTYPE target SYSTEM "gdb-target.dtd">
<target version="1.0"> <target version="1.0">
<architecture>aarch64</architecture>
<feature name="org.gnu.gdb.aarch64.core"> <feature name="org.gnu.gdb.aarch64.core">
<reg name="x0" bitsize="64"/> <reg name="x0" bitsize="64"/>
<reg name="x1" bitsize="64"/> <reg name="x1" bitsize="64"/>
@ -80,7 +81,7 @@ std::string GDBStubA64::GetTargetXML() const {
<reg name="x30" bitsize="64"/> <reg name="x30" bitsize="64"/>
<reg name="sp" bitsize="64" type="data_ptr"/> <reg name="sp" bitsize="64" type="data_ptr"/>
<reg name="pc" bitsize="64" type="code_ptr"/> <reg name="pc" bitsize="64" type="code_ptr"/>
<flags id="pstate_flags" size="4"> <flags id="cpsr_flags" size="4">
<field name="SP" start="0" end="0"/> <field name="SP" start="0" end="0"/>
<field name="" start="1" end="1"/> <field name="" start="1" end="1"/>
<field name="EL" start="2" end="3"/> <field name="EL" start="2" end="3"/>
@ -97,9 +98,84 @@ std::string GDBStubA64::GetTargetXML() const {
<field name="Z" start="30" end="30"/> <field name="Z" start="30" end="30"/>
<field name="N" start="31" end="31"/> <field name="N" start="31" end="31"/>
</flags> </flags>
<reg name="pstate" bitsize="32" type="pstate_flags"/> <reg name="cpsr" bitsize="32" type="cpsr_flags"/>
</feature> </feature>
<feature name="org.gnu.gdb.aarch64.fpu"> <feature name="org.gnu.gdb.aarch64.fpu">
<vector id="v2d" type="ieee_double" count="2"/>
<vector id="v2u" type="uint64" count="2"/>
<vector id="v2i" type="int64" count="2"/>
<vector id="v4f" type="ieee_single" count="4"/>
<vector id="v4u" type="uint32" count="4"/>
<vector id="v4i" type="int32" count="4"/>
<vector id="v8u" type="uint16" count="8"/>
<vector id="v8i" type="int16" count="8"/>
<vector id="v16u" type="uint8" count="16"/>
<vector id="v16i" type="int8" count="16"/>
<vector id="v1u" type="uint128" count="1"/>
<vector id="v1i" type="int128" count="1"/>
<union id="vnd">
<field name="f" type="v2d"/>
<field name="u" type="v2u"/>
<field name="s" type="v2i"/>
</union>
<union id="vns">
<field name="f" type="v4f"/>
<field name="u" type="v4u"/>
<field name="s" type="v4i"/>
</union>
<union id="vnh">
<field name="u" type="v8u"/>
<field name="s" type="v8i"/>
</union>
<union id="vnb">
<field name="u" type="v16u"/>
<field name="s" type="v16i"/>
</union>
<union id="vnq">
<field name="u" type="v1u"/>
<field name="s" type="v1i"/>
</union>
<union id="aarch64v">
<field name="d" type="vnd"/>
<field name="s" type="vns"/>
<field name="h" type="vnh"/>
<field name="b" type="vnb"/>
<field name="q" type="vnq"/>
</union>
<reg name="v0" bitsize="128" type="aarch64v" regnum="34"/>
<reg name="v1" bitsize="128" type="aarch64v" />
<reg name="v2" bitsize="128" type="aarch64v" />
<reg name="v3" bitsize="128" type="aarch64v" />
<reg name="v4" bitsize="128" type="aarch64v" />
<reg name="v5" bitsize="128" type="aarch64v" />
<reg name="v6" bitsize="128" type="aarch64v" />
<reg name="v7" bitsize="128" type="aarch64v" />
<reg name="v8" bitsize="128" type="aarch64v" />
<reg name="v9" bitsize="128" type="aarch64v" />
<reg name="v10" bitsize="128" type="aarch64v"/>
<reg name="v11" bitsize="128" type="aarch64v"/>
<reg name="v12" bitsize="128" type="aarch64v"/>
<reg name="v13" bitsize="128" type="aarch64v"/>
<reg name="v14" bitsize="128" type="aarch64v"/>
<reg name="v15" bitsize="128" type="aarch64v"/>
<reg name="v16" bitsize="128" type="aarch64v"/>
<reg name="v17" bitsize="128" type="aarch64v"/>
<reg name="v18" bitsize="128" type="aarch64v"/>
<reg name="v19" bitsize="128" type="aarch64v"/>
<reg name="v20" bitsize="128" type="aarch64v"/>
<reg name="v21" bitsize="128" type="aarch64v"/>
<reg name="v22" bitsize="128" type="aarch64v"/>
<reg name="v23" bitsize="128" type="aarch64v"/>
<reg name="v24" bitsize="128" type="aarch64v"/>
<reg name="v25" bitsize="128" type="aarch64v"/>
<reg name="v26" bitsize="128" type="aarch64v"/>
<reg name="v27" bitsize="128" type="aarch64v"/>
<reg name="v28" bitsize="128" type="aarch64v"/>
<reg name="v29" bitsize="128" type="aarch64v"/>
<reg name="v30" bitsize="128" type="aarch64v"/>
<reg name="v31" bitsize="128" type="aarch64v"/>
<reg name="fpsr" bitsize="32"/>
<reg name="fpcr" bitsize="32"/>
</feature> </feature>
</target>)"; </target>)";
@ -121,12 +197,12 @@ std::string GDBStubA64::RegRead(const Kernel::KThread* thread, size_t id) const
return ValueToHex(context.pc); return ValueToHex(context.pc);
} else if (id == PSTATE_REGISTER) { } else if (id == PSTATE_REGISTER) {
return ValueToHex(context.pstate); return ValueToHex(context.pstate);
} else if (id >= Q0_REGISTER && id < FPCR_REGISTER) { } else if (id >= Q0_REGISTER && id < FPSR_REGISTER) {
return ValueToHex(fprs[id - Q0_REGISTER]); return ValueToHex(fprs[id - Q0_REGISTER]);
} else if (id == FPCR_REGISTER) {
return ValueToHex(context.fpcr);
} else if (id == FPSR_REGISTER) { } else if (id == FPSR_REGISTER) {
return ValueToHex(context.fpsr); return ValueToHex(context.fpsr);
} else if (id == FPCR_REGISTER) {
return ValueToHex(context.fpcr);
} else { } else {
return ""; return "";
} }
@ -145,12 +221,12 @@ void GDBStubA64::RegWrite(Kernel::KThread* thread, size_t id, std::string_view v
context.pc = HexToValue<u64>(value); context.pc = HexToValue<u64>(value);
} else if (id == PSTATE_REGISTER) { } else if (id == PSTATE_REGISTER) {
context.pstate = HexToValue<u32>(value); context.pstate = HexToValue<u32>(value);
} else if (id >= Q0_REGISTER && id < FPCR_REGISTER) { } else if (id >= Q0_REGISTER && id < FPSR_REGISTER) {
context.vector_registers[id - Q0_REGISTER] = HexToValue<u128>(value); context.vector_registers[id - Q0_REGISTER] = HexToValue<u128>(value);
} else if (id == FPCR_REGISTER) {
context.fpcr = HexToValue<u32>(value);
} else if (id == FPSR_REGISTER) { } else if (id == FPSR_REGISTER) {
context.fpsr = HexToValue<u32>(value); context.fpsr = HexToValue<u32>(value);
} else if (id == FPCR_REGISTER) {
context.fpcr = HexToValue<u32>(value);
} }
} }
@ -195,6 +271,7 @@ std::string GDBStubA32::GetTargetXML() const {
R"(<?xml version="1.0"?> R"(<?xml version="1.0"?>
<!DOCTYPE target SYSTEM "gdb-target.dtd"> <!DOCTYPE target SYSTEM "gdb-target.dtd">
<target version="1.0"> <target version="1.0">
<architecture>arm</architecture>
<feature name="org.gnu.gdb.arm.core"> <feature name="org.gnu.gdb.arm.core">
<reg name="r0" bitsize="32" type="uint32"/> <reg name="r0" bitsize="32" type="uint32"/>
<reg name="r1" bitsize="32" type="uint32"/> <reg name="r1" bitsize="32" type="uint32"/>

4
src/core/debugger/gdbstub_arch.h
View file

@ -40,8 +40,8 @@ private:
static constexpr u32 PC_REGISTER = 32; static constexpr u32 PC_REGISTER = 32;
static constexpr u32 PSTATE_REGISTER = 33; static constexpr u32 PSTATE_REGISTER = 33;
static constexpr u32 Q0_REGISTER = 34; static constexpr u32 Q0_REGISTER = 34;
static constexpr u32 FPCR_REGISTER = 66; static constexpr u32 FPSR_REGISTER = 66;
static constexpr u32 FPSR_REGISTER = 67; static constexpr u32 FPCR_REGISTER = 67;
}; };
class GDBStubA32 final : public GDBStubArch { class GDBStubA32 final : public GDBStubArch {