ghidra/Ghidra/Processors/PowerPC/data/languages/ppc_64.cspec

125 lines
4.3 KiB
XML

<?xml version="1.0" encoding="UTF-8"?>
<!-- This cspec is based upon the PowerPC 64-bit ELF ABI specification -->
<compiler_spec>
<data_organization>
<pointer_size value="8"/>
</data_organization>
<global>
<range space="ram"/>
</global>
<stackpointer register="r1" space="ram"/>
<default_proto>
<prototype name="__stdcall" extrapop="0" stackshift="0">
<input>
<pentry minsize="1" maxsize="8" metatype="float" extension="float">
<register name="f1"/>
</pentry>
<pentry minsize="1" maxsize="8" metatype="float" extension="float">
<register name="f2"/>
</pentry>
<pentry minsize="1" maxsize="8" metatype="float" extension="float">
<register name="f3"/>
</pentry>
<pentry minsize="1" maxsize="8" metatype="float" extension="float">
<register name="f4"/>
</pentry>
<pentry minsize="1" maxsize="8" metatype="float" extension="float">
<register name="f5"/>
</pentry>
<pentry minsize="1" maxsize="8" metatype="float" extension="float">
<register name="f6"/>
</pentry>
<pentry minsize="1" maxsize="8" metatype="float" extension="float">
<register name="f7"/>
</pentry>
<pentry minsize="1" maxsize="8" metatype="float" extension="float">
<register name="f8"/>
</pentry>
<pentry minsize="1" maxsize="8" metatype="float" extension="float">
<register name="f9"/>
</pentry>
<pentry minsize="1" maxsize="8" metatype="float" extension="float">
<register name="f10"/>
</pentry>
<pentry minsize="1" maxsize="8" metatype="float" extension="float">
<register name="f11"/>
</pentry>
<pentry minsize="1" maxsize="8" metatype="float" extension="float">
<register name="f12"/>
</pentry>
<pentry minsize="1" maxsize="8" metatype="float" extension="float">
<register name="f13"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="r3"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="r4"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="r5"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="r6"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="r7"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="r8"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="r9"/>
</pentry>
<pentry minsize="1" maxsize="8">
<register name="r10"/>
</pentry>
<pentry minsize="1" maxsize="500" align="8">
<addr offset="112" space="stack"/>
</pentry>
</input>
<output>
<pentry minsize="1" maxsize="8" metatype="float" extension="float">
<register name="f1"/>
</pentry>
<pentry minsize="1" maxsize="8" extension="inttype">
<register name="r3"/>
</pentry>
</output>
<unaffected>
<register name="r14"/>
<register name="r15"/>
<register name="r16"/>
<register name="r17"/>
<register name="r18"/>
<register name="r19"/>
<register name="r20"/>
<register name="r21"/>
<register name="r22"/>
<register name="r23"/>
<register name="r24"/>
<register name="r25"/>
<register name="r26"/>
<register name="r27"/>
<register name="r28"/>
<register name="r29"/>
<register name="r30"/>
<register name="r31"/>
<register name="r1"/>
<!-- In cases where r2 does change, we assume it will get restored -->
<register name="r2"/>
<register name="r2Save"/>
</unaffected>
<pcode inject="uponreturn">
<body>
# Inject pcode when returning from a function call to place the r2Save
# value into 0x28(r1) which should be restored by the "ld r2,0x28(r1)"
# which immediately follows calls which comply with the PPC64 ABI spec.
local saveR2ptr = r1 + 0x28;
*:8 saveR2ptr = r2Save;
</body>
</pcode>
</prototype>
</default_proto>
</compiler_spec>