210 lines
5.7 KiB
XML
210 lines
5.7 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!--
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This arm cspec split from the main arm.cspec.
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The difference is no floating point registers for
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older arm variants (pre-v7)
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-->
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<compiler_spec>
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<!--
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Assumes Procedure Call Standard for the ARM Architecture (AAPCS) Applies.
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-->
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<data_organization> <!-- These tags were generated with gcc 4.2.4 -->
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<absolute_max_alignment value="0" />
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<machine_alignment value="2" />
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<default_alignment value="1" />
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<default_pointer_alignment value="4" />
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<pointer_size value="4" />
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<wchar_size value="4" />
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<short_size value="2" />
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<integer_size value="4" />
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<long_size value="4" />
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<long_long_size value="8" />
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<float_size value="4" />
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<double_size value="8" />
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<long_double_size value="8" />
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<size_alignment_map>
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<entry size="1" alignment="1" />
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<entry size="2" alignment="2" />
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<entry size="4" alignment="4" />
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<entry size="8" alignment="8" />
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</size_alignment_map>
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</data_organization>
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<global>
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<range space="ram"/>
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</global>
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<stackpointer register="sp" space="ram"/>
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<funcptr align="2"/> <!-- Function pointers are word aligned and leastsig bit may encode otherstuff -->
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<default_proto>
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<prototype name="__stdcall" extrapop="0" stackshift="0">
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<input>
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<pentry minsize="1" maxsize="4" extension="inttype">
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<register name="r0"/>
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</pentry>
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<pentry minsize="1" maxsize="4" extension="inttype">
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<register name="r1"/>
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</pentry>
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<pentry minsize="1" maxsize="4" extension="inttype">
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<register name="r2"/>
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</pentry>
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<pentry minsize="1" maxsize="4" extension="inttype">
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<register name="r3"/>
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</pentry>
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<pentry minsize="1" maxsize="500" align="4">
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<addr offset="0" space="stack"/>
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</pentry>
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</input>
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<output>
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<pentry minsize="1" maxsize="4" extension="inttype">
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<register name="r0"/>
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</pentry>
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<pentry minsize="5" maxsize="8">
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<addr space="join" piece1="r1" piece2="r0"/>
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</pentry>
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</output>
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<unaffected>
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<register name="r4"/>
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<register name="r5"/>
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<register name="r6"/>
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<register name="r7"/>
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<register name="r8"/>
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<register name="r9"/>
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<register name="r10"/>
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<register name="r11"/>
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<register name="sp"/>
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</unaffected>
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<killedbycall>
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<register name="r1"/>
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</killedbycall>
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</prototype>
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</default_proto>
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<callfixup name="switch8_r3">
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<target name="switch8_r3"/>
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<pcode>
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<body><![CDATA[
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tmpptr = lr - 1;
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tblsize = *:1 tmpptr;
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r12 = zext(tblsize);
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inbounds = r3 < r12;
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if (!inbounds) goto <next1>;
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offset = *:1 (lr + r3);
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r3 = zext(offset);
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<next1>
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if (inbounds) goto <next2>;
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offset = *:1 (lr + r12);
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r3 = zext(offset);
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<next2>
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r3 = r3 * 2;
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r12 = lr + r3;
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ISAModeSwitch = (r12 & 1) != 1;
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TB = ISAModeSwitch;
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pc = r12 & 0xfffffffe;
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goto [pc];
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]]></body>
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</pcode>
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</callfixup>
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<callfixup name="switch8_r0">
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<target name="__gnu_thumb1_case_uqi"/>
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<target name="switch8_r0"/>
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<pcode>
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<body><![CDATA[
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tmpptr = lr & 0xfffffffe;
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offset = *:1 (tmpptr + r0);
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lr = lr + 2 * zext(offset);
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ISAModeSwitch = (lr & 1) != 0;
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TB = ISAModeSwitch;
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pc = lr & 0xfffffffe;
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goto [pc];
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]]></body>
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</pcode>
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</callfixup>
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<callfixup name="switchS8_r0">
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<target name="__gnu_thumb1_case_sqi"/>
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<target name="switchS8_r0"/>
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<pcode>
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<body><![CDATA[
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tmpptr = lr & 0xfffffffe;
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offset = *:1 (tmpptr + r0);
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lr = lr + 2 * sext(offset);
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ISAModeSwitch = (lr & 1) != 0;
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TB = ISAModeSwitch;
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pc = lr & 0xfffffffe;
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goto [pc];
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]]></body>
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</pcode>
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</callfixup>
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<callfixup name="switch16_shi_r0">
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<target name="__gnu_thumb1_case_shi"/>
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<target name="switch16_shi_r0"/>
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<pcode>
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<body><![CDATA[
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tmpptr = lr & 0xfffffffe;
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index = r0 * 2;
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offset = *:2 (tmpptr + index);
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lr = lr + 2 * sext(offset);
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ISAModeSwitch = (lr & 1) != 0;
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TB = ISAModeSwitch;
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pc = lr & 0xfffffffe;
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goto [pc];
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]]></body>
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</pcode>
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</callfixup>
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<callfixup name="switch16_uhi_r0">
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<target name="__gnu_thumb1_case_uhi"/>
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<target name="switch16_shi_r0"/>
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<pcode>
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<body><![CDATA[
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tmpptr = lr & 0xfffffffe;
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index = r0 * 2;
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offset = *:2 (tmpptr + index);
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lr = lr + 2 * zext(offset);
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ISAModeSwitch = (lr & 1) != 0;
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TB = ISAModeSwitch;
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pc = lr & 0xfffffffe;
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goto [pc];
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]]></body>
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</pcode>
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</callfixup>
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<callfixup name="switch32_si_r0">
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<target name="__gnu_thumb1_case_si"/>
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<target name="switch32_si_r0"/>
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<pcode>
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<body><![CDATA[
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tmpptr = (lr + 2) & 0xfffffffc;
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index = r0 * 4;
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offset = *:4 (tmpptr + index);
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offset = offset * 4;
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lr = lr + offset;
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ISAModeSwitch = (lr & 1) != 0;
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TB = ISAModeSwitch;
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pc = lr & 0xfffffffe;
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goto [pc];
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]]></body>
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</pcode>
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</callfixup>
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</compiler_spec>
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