ghidra/Ghidra/Processors/x86/data/languages/x86-64-gcc.cspec
2025-02-04 21:37:27 +00:00

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<?xml version="1.0" encoding="UTF-8"?>
<compiler_spec>
<data_organization>
<machine_alignment value="2" />
<default_alignment value="1" />
<default_pointer_alignment value="8" />
<pointer_size value="8" />
<wchar_size value="4" />
<short_size value="2" />
<integer_size value="4" />
<long_size value="8" />
<long_long_size value="8" />
<float_size value="4" />
<double_size value="8" />
<long_double_size value="10" /> <!-- aligned-length=16 -->
<size_alignment_map>
<entry size="1" alignment="1" />
<entry size="2" alignment="2" />
<entry size="4" alignment="4" />
<entry size="8" alignment="8" />
<entry size="16" alignment="16" />
</size_alignment_map>
</data_organization>
<global>
<range space="ram"/>
<register name="MXCSR"/>
</global>
<stackpointer register="RSP" space="ram"/>
<returnaddress>
<varnode space="stack" offset="0" size="8"/>
</returnaddress>
<default_proto>
<prototype name="__stdcall" extrapop="8" stackshift="8">
<!-- Derived from "System V Application Binary Interface AMD64 Architecture Processor Supplement" April 2016 -->
<input>
<pentry minsize="4" maxsize="8" metatype="float">
<register name="XMM0_Qa"/>
</pentry>
<pentry minsize="4" maxsize="8" metatype="float">
<register name="XMM1_Qa"/>
</pentry>
<pentry minsize="4" maxsize="8" metatype="float">
<register name="XMM2_Qa"/>
</pentry>
<pentry minsize="4" maxsize="8" metatype="float">
<register name="XMM3_Qa"/>
</pentry>
<pentry minsize="4" maxsize="8" metatype="float">
<register name="XMM4_Qa"/>
</pentry>
<pentry minsize="4" maxsize="8" metatype="float">
<register name="XMM5_Qa"/>
</pentry>
<pentry minsize="4" maxsize="8" metatype="float">
<register name="XMM6_Qa"/>
</pentry>
<pentry minsize="4" maxsize="8" metatype="float">
<register name="XMM7_Qa"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="RDI"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="RSI"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="RDX"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="RCX"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="R8"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="R9"/>
</pentry>
<pentry minsize="1" maxsize="500" align="8">
<addr offset="8" space="stack"/>
</pentry>
<rule>
<datatype name="any" maxsize="16"/>
<join_dual_class/> <!-- Bind from registers if possible-->
</rule>
<rule>
<datatype name="any"/>
<goto_stack/>
</rule>
</input>
<output>
<pentry minsize="1" maxsize="8" metatype="float">
<register name="XMM0_Qa"/>
</pentry>
<pentry minsize="1" maxsize="8" metatype="float">
<register name="XMM1_Qa"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="RAX"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="RDX"/>
</pentry>
<rule>
<datatype name="any" maxsize="16"/>
<join_dual_class/>
</rule>
<rule>
<datatype name="any"/>
<hidden_return/>
</rule>
</output>
<killedbycall>
<register name="RAX"/>
<register name="RDX"/>
<register name="XMM0"/>
</killedbycall>
<unaffected>
<register name="RBX"/>
<register name="RSP"/>
<register name="RBP"/>
<register name="R12"/>
<register name="R13"/>
<register name="R14"/>
<register name="R15"/>
</unaffected>
</prototype>
</default_proto>
<prototype name="MSABI" extrapop="8" stackshift="8">
<input pointermax="8">
<!-- Use same grouping setup as x86-64-win.cspec. If the nth general-purpose register is
consumed, consume the nth floating point register, and vice-versa -->
<group>
<pentry minsize="4" maxsize="8" metatype="float">
<register name="XMM0_Qa"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="RCX"/>
</pentry>
</group>
<group>
<pentry minsize="4" maxsize="8" metatype="float">
<register name="XMM1_Qa"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="RDX"/>
</pentry>
</group>
<group>
<pentry minsize="4" maxsize="8" metatype="float">
<register name="XMM2_Qa"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="R8"/>
</pentry>
</group>
<group>
<pentry minsize="4" maxsize="8" metatype="float">
<register name="XMM3_Qa"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="R9"/>
</pentry>
</group>
<pentry minsize="1" maxsize="500" align="8">
<addr offset="40" space="stack"/>
</pentry>
<!-- only structs of size 8,16,32,64 bits can be packed to register -->
<rule>
<datatype name="struct" sizes="3,5,6,7"/>
<convert_to_ptr/>
</rule>
</input>
<output>
<pentry minsize="4" maxsize="8" metatype="float">
<register name="XMM0_Qa"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="RAX"/>
</pentry>
<!-- only structs of size 8,16,32,64 bits can be returned via register -->
<rule>
<datatype name="struct" sizes="3,5,6,7"/>
<hidden_return/>
</rule>
</output>
<unaffected>
<varnode space="ram" offset="0" size="8"/>
<register name="RBX"/>
<register name="RBP"/>
<register name="RDI"/>
<register name="RSI"/>
<register name="RSP"/>
<register name="R12"/>
<register name="R13"/>
<register name="R14"/>
<register name="R15"/>
<register name="DF"/>
</unaffected>
<killedbycall>
<register name="RAX"/>
<register name="XMM0"/>
</killedbycall>
<localrange>
<range space="stack" first="0xfffffffffff0bdc1" last="0xffffffffffffffff"/>
<range space="stack" first="8" last="39"/>
</localrange>
</prototype>
<prototype name="syscall" extrapop="8" stackshift="8">
<input pointermax="8">
<pentry minsize="1" maxsize="8">
<register name="RDI"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="RSI"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="RDX"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="R10"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="R8"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="R9"/>
</pentry>
</input>
<output killedbycall="true">
<pentry minsize="1" maxsize="8">
<register name="RAX"/>
</pentry>
</output>
<unaffected>
<varnode space="ram" offset="0" size="8"/>
<register name="RBX"/>
<register name="RDX"/>
<register name="RBP"/>
<register name="RDI"/>
<register name="RSI"/>
<register name="RSP"/>
<register name="R8"/>
<register name="R9"/>
<register name="R10"/>
<register name="R12"/>
<register name="R13"/>
<register name="R14"/>
<register name="R15"/>
<register name="DF"/>
</unaffected>
<killedbycall>
<register name="RCX"/>
<register name="R11"/>
</killedbycall>
</prototype>
<prototype name="processEntry" extrapop="0" stackshift="0">
<input pointermax="8">
<pentry minsize="1" maxsize="8">
<register name="RDX"/>
</pentry>
<pentry minsize="1" maxsize="500" align="8">
<addr offset="0" space="stack"/>
</pentry>
</input>
<output killedbycall="true">
<pentry minsize="1" maxsize="8">
<register name="RAX"/>
</pentry>
</output>
<unaffected>
<register name="RSP"/>
</unaffected>
<!-- Functions with this prototype don't have a return address. But, if we don't specify one, this prototype will
use the default, which is to have the return address on the stack. That conflicts with how this prototype actually
uses the stack, so we set a fake return address at a RBP, which is unspecified at process entry -->
<returnaddress>
<register name="RBP"/>
</returnaddress>
</prototype>
<callfixup name="x86_return_thunk">
<target name="__x86_return_thunk"/>
<pcode>
<body><![CDATA[
RIP = *:8 RSP;
RSP = RSP + 8;
return [RIP];
]]></body>
</pcode>
</callfixup>
<callfixup name="fentry">
<target name="__fentry__"/>
<pcode>
<body><![CDATA[
temp:1 = 0;
]]></body>
</pcode>
</callfixup>
<callfixup name="mcount">
<target name="mcount"/>
<pcode>
<body><![CDATA[
temp:1 = 0;
]]></body>
</pcode>
</callfixup>
<callfixup name="x86_indirect_thunk_rbp">
<target name="__x86_indirect_thunk_rbp"/>
<pcode>
<body><![CDATA[
call [RBP];
]]></body>
</pcode>
</callfixup>
<callfixup name="x86_indirect_thunk_rax">
<target name="__x86_indirect_thunk_rax"/>
<pcode>
<body><![CDATA[
call [RAX];
]]></body>
</pcode>
</callfixup>
<callfixup name="x86_indirect_thunk_rbx">
<target name="__x86_indirect_thunk_rbx"/>
<pcode>
<body><![CDATA[
call [RBX];
]]></body>
</pcode>
</callfixup>
<callfixup name="x86_indirect_thunk_rcx">
<target name="__x86_indirect_thunk_rcx"/>
<pcode>
<body><![CDATA[
call [RCX];
]]></body>
</pcode>
</callfixup>
<callfixup name="x86_indirect_thunk_rdx">
<target name="__x86_indirect_thunk_rdx"/>
<pcode>
<body><![CDATA[
call [RDX];
]]></body>
</pcode>
</callfixup>
<callfixup name="x86_indirect_thunk_r8">
<target name="__x86_indirect_thunk_r8"/>
<pcode>
<body><![CDATA[
call [R8];
]]></body>
</pcode>
</callfixup>
<callfixup name="x86_indirect_thunk_r9">
<target name="__x86_indirect_thunk_r9"/>
<pcode>
<body><![CDATA[
call [R9];
]]></body>
</pcode>
</callfixup>
<callfixup name="x86_indirect_thunk_r10">
<target name="__x86_indirect_thunk_r10"/>
<pcode>
<body><![CDATA[
call [R10];
]]></body>
</pcode>
</callfixup>
<callfixup name="x86_indirect_thunk_r11">
<target name="__x86_indirect_thunk_r11"/>
<pcode>
<body><![CDATA[
call [R11];
]]></body>
</pcode>
</callfixup>
<callfixup name="x86_indirect_thunk_r12">
<target name="__x86_indirect_thunk_r12"/>
<pcode>
<body><![CDATA[
call [R12];
]]></body>
</pcode>
</callfixup>
<callfixup name="x86_indirect_thunk_r13">
<target name="__x86_indirect_thunk_r13"/>
<pcode>
<body><![CDATA[
call [R13];
]]></body>
</pcode>
</callfixup>
<callfixup name="x86_indirect_thunk_r14">
<target name="__x86_indirect_thunk_r14"/>
<pcode>
<body><![CDATA[
call [R14];
]]></body>
</pcode>
</callfixup>
<callfixup name="x86_indirect_thunk_r15">
<target name="__x86_indirect_thunk_r15"/>
<pcode>
<body><![CDATA[
call [R15];
]]></body>
</pcode>
</callfixup>
</compiler_spec>