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annotate doc/disas_examples/x86.fastcall_borland.disas @ 327:c0390dc85a07

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- doc: added disassembly examples for many platforms and calling conventions, for reference
author Tassilo Philipp
date Fri, 22 Nov 2019 23:08:59 +0100
parents
children b74d7a249642
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c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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1 ; #pragma pack(push, 1)
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2 ; struct TTest
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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3 ; {
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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4 ; __int32 i1;
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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5 ; __int32 i2;
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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6 ; };
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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7 ; #pragma pack(pop)
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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8 ;
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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9 ; TTest __fastcall DoTest()
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10 ; {
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11 ; TTest t;
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12 ; t.i1 = 1;
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13 ; t.i2 = 2;
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14 ; return t;
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15 ; }
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16 ;
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17 ; ...
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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18 ; TTest t = DoTest();
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c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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20 ; from http://codeverge.com/embarcadero.cppbuilder.cpp/does-fastcall-have-any-bearing-on/1043767
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c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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23 DoTest():
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24 push ebp ; |
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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25 mov ebp,esp ; | prolog
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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26 add esp,-0x0c ; |
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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27 mov [ebp-0x04],eax ; pointer to hidden param in eax -> local area
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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28 mov [ebp-0x0c],0x00000001 ; val 1 -> local area
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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29 mov [ebp-0x08],0x00000002 ; val 2 -> local area
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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30 mov eax,[ebp-0x04] ; refetch eax (pointlessly)
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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31 mov edx,[ebp-0x0c] ; get val 1 in edx and ...
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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32 mov [eax],edx ; ... store at *eax
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33 mov edx,[ebp-0x08] ; get val 2 in edx and ...
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34 mov [eax+0x04],edx ; ... store at *(eax + 4)
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35 mov eax, [ebp-0x04] ; return value
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36 mov esp,ebp ; |
c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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37 pop ebp ; | epilog
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38 ret ; |
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c0390dc85a07 - doc: added disassembly examples for many platforms and calling conventions, for reference
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40 ; vim: ft=asm
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