Carl Shapiro pushed to branch master at cmucl / cmucl Commits: ef48eb2a by Carl Shapiro at 2025-02-18T22:46:55-08:00 Document sap-ref-64 and signed-sap-ref-64 These functions have existed on almost all targets for many years now. - - - - - 1 changed file: - src/docs/cmu-user/unix.tex Changes: ===================================== src/docs/cmu-user/unix.tex ===================================== @@ -244,9 +244,10 @@ for SAPs when possible, so the consing overhead is generally minimal. \begin{defun}{system:}{sap-ref-8}{\args{\var{sap} \var{offset}}} \defunx[system:]{sap-ref-16}{\args{\var{sap} \var{offset}}} - \defunx[system:]{sap-ref-32}{\args{\var{sap} \var{offset}}} - - These functions return the 8, 16 or 32 bit unsigned integer at + \defunx[system:]{sap-ref-32}{\args{\var{sap} \var{offset}} + \defunx[system:]{sap-ref-64}{\args{\var{sap} \var{offset}}} + + These functions return the 8, 16, 32 or 64 bit unsigned integer at \var{offset} from \var{sap}. The \var{offset} is always a byte offset, regardless of the number of bits accessed. \code{setf} may be used with the these functions to deposit values into virtual @@ -256,7 +257,8 @@ for SAPs when possible, so the consing overhead is generally minimal. \begin{defun}{system:}{signed-sap-ref-8}{\args{\var{sap} \var{offset}}} \defunx[system:]{signed-sap-ref-16}{\args{\var{sap} \var{offset}}} \defunx[system:]{signed-sap-ref-32}{\args{\var{sap} \var{offset}}} - + \defunx[system:]{signed-sap-ref-64}{\args{\var{sap} \var{offset}}} + These functions are the same as the above unsigned operations, except that they sign-extend, returning a negative number if the high bit is set. View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/-/commit/ef48eb2a5fd47915030fc7ef... -- View it on GitLab: https://gitlab.common-lisp.net/cmucl/cmucl/-/commit/ef48eb2a5fd47915030fc7ef... You're receiving this email because of your account on gitlab.common-lisp.net.