Date: Thu, 19 Jan 2023 04:08:00 +0000 From: Daniel Cervus <DanieltheDeer@outlook.com> To: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: FreeBSD AMD64 kernel calling convention Message-ID: <TYWP286MB26677DF496704F87B91B5D19B8C49@TYWP286MB2667.JPNP286.PROD.OUTLOOK.COM>
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--_000_TYWP286MB26677DF496704F87B91B5D19B8C49TYWP286MB2667JPNP_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi, everyone. I=92m learning AMD64 assembly language. But seems I cannot = find much information about FreeBSD kernel interface, does it follows the s= ame calling convention as described in System V AMD64 ABI? Or it is like Li= nux kernel calling convention, uses R10 instead of RCX to pass parameters? Daniel --_000_TYWP286MB26677DF496704F87B91B5D19B8C49TYWP286MB2667JPNP_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable <html xmlns:o=3D"urn:schemas-microsoft-com:office:office" xmlns:w=3D"urn:sc= hemas-microsoft-com:office:word" xmlns:m=3D"http://schemas.microsoft.com/of= fice/2004/12/omml" xmlns=3D"http://www.w3.org/TR/REC-html40">; <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DWindows-1= 252"> <meta name=3D"Generator" content=3D"Microsoft Word 15 (filtered medium)"> <style><!-- /* Font Definitions */ @font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4;} @font-face {font-family:DengXian; panose-1:2 1 6 0 3 1 1 1 1 1;} @font-face {font-family:DengXian; panose-1:2 1 6 0 3 1 1 1 1 1;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm; text-align:justify; text-justify:inter-ideograph; font-size:10.5pt; font-family:DengXian;} .MsoChpDefault {mso-style-type:export-only;} /* Page Definitions */ @page WordSection1 {size:612.0pt 792.0pt; margin:72.0pt 90.0pt 72.0pt 90.0pt;} div.WordSection1 {page:WordSection1;} --></style> </head> <body lang=3D"ZH-CN" link=3D"blue" vlink=3D"#954F72" style=3D"word-wrap:bre= ak-word"> <div class=3D"WordSection1"> <p class=3D"MsoNormal"><span lang=3D"EN-US"> </span><span lang=3D"EN-= US" style=3D"font-size:11.0pt">Hi, everyone. I=92m learning AMD64 assembly = language. But seems I cannot find much information about FreeBSD kernel int= erface, does it follows the same calling convention as described in System V AMD64 ABI? Or it is like Linux kernel calling con= vention, uses R10 instead of RCX to pass parameters?<o:p></o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt"><o:p= > </o:p></span></p> <p class=3D"MsoNormal"><span lang=3D"EN-US" style=3D"font-size:11.0pt">Dani= el<o:p></o:p></span></p> </div> </body> </html> --_000_TYWP286MB26677DF496704F87B91B5D19B8C49TYWP286MB2667JPNP_--
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