--- a/doc/manual/callconvs/callconv_mips.tex	Mon Mar 13 14:13:26 2017 +0100
+++ b/doc/manual/callconvs/callconv_mips.tex	Tue Mar 14 00:07:31 2017 +0100
@@ -75,7 +75,7 @@
 \item Stack grows down
 \item Stack parameter order: right-to-left
 \item Caller cleans up the stack
-\item first 8 integers (<= 32bit) are passed in registers \$a0-\$a7
+\item first 8 integers (\textless=\ 32bit) are passed in registers \$a0-\$a7
 \item first 8 single precision floating point arguments are passed in registers \$f12-\$f19
 \item if either integer or float registers are used up, the stack is used
 \item 64-bit stack arguments are always aligned to 8 bytes

--- a/doc/manual/callconvs/callconv_sparc.tex	Mon Mar 13 14:13:26 2017 +0100
+++ b/doc/manual/callconvs/callconv_sparc.tex	Tue Mar 14 00:07:31 2017 +0100
@@ -62,11 +62,11 @@
 \item stack always aligned to 8 bytes
 \item first 6 integers and floats are passed independently in registers using \%o0-\%o5
 \item for every other argument the stack is used
-\item all arguments <= 32 bit are passed as 32 bit values
-\item 64 bit arguments are passed like two consecutive <= 32 bit values
+\item all arguments \textless=\ 32 bit are passed as 32 bit values
+\item 64 bit arguments are passed like two consecutive \textless=\ 32 bit values
 \item minimum stack size is 64 bytes, b/c stack pointer must always point at enough space to store all \%i* and \%l* registers, used when running out of register windows
 \item if needed, register spill area is adjacent to parameters
-\item results are expected by caller to be returned in \%o0\%o1 (after reg window restore, meaning callee writes to \%i0\%i1) for integers, \%f0/\%f1 for floats, and for structs/unions a pointer to them is used as a hidden stack parameter (see below)
+\item results are expected by caller to be returned in \%o0/\%o1 (after reg window restore, meaning callee writes to \%i0/\%i1) for integers, \%f0/\%f1 for floats, and for structs/unions a pointer to them is used as a hidden stack parameter (see below)
 \end{itemize}
 
 \paragraph{Stack layout}

--- a/doc/manual/callconvs/callconv_sparc64.tex	Mon Mar 13 14:13:26 2017 +0100
+++ b/doc/manual/callconvs/callconv_sparc64.tex	Tue Mar 14 00:07:31 2017 +0100
@@ -27,7 +27,7 @@
 
 \paragraph{\product{dyncall} support}
 
-\product{dyncall} fully supports the SPARC 64-bit instruction set (V9), \product{dyncallback} support is missing, though.
+\product{dyncall} fully supports the SPARC 64-bit instruction set (V9), for calls and callbacks.
 
 \subsubsection{SPARC (64-bit) Calling Convention}
 

--- a/dyncallback/dyncall_callback_sparc32.s	Mon Mar 13 14:13:26 2017 +0100
+++ b/dyncallback/dyncall_callback_sparc32.s	Tue Mar 14 00:07:31 2017 +0100
@@ -51,13 +51,13 @@
 	add  %fp, 68, %l0
 	st   %l0, [ %sp + 64 ]  /* init arg_ptr */
 
-	/* Zero retval store (for data < word size). */
+	/* Zero retval store. */
 	st   %g0, [ %sp + 72 ]
 	st   %g0, [ %sp + 76 ]
 
 	/* Prepare callback handler call. */
 	mov  %g1, %o0           /* Param 0 = DCCallback*, %g1 holds ptr to thunk */
-	add  %sp, 64, %o1       /* Param 1 = DCArgs* (ptr to struct with args ptr */
+	add  %sp, 64, %o1       /* Param 1 = DCArgs* (ptr to struct with args ptr) */
 	add  %sp, 72, %o2       /* Param 2 = results ptr to 8b of local stack data */
 	ld   [ %g1 + 28 ], %o3  /* Param 3 = userdata ptr */
 

--- a/dyncallback/dyncall_thunk_sparc64.c	Mon Mar 13 14:13:26 2017 +0100
+++ b/dyncallback/dyncall_thunk_sparc64.c	Tue Mar 14 00:07:31 2017 +0100
@@ -6,7 +6,7 @@
  Description: Thunk - Implementation for sparc64
  License:
 
-   Copyright (c) 2007-2015 Daniel Adler <dadler@uni-goettingen.de>,
+   Copyright (c) 2007-2017 Daniel Adler <dadler@uni-goettingen.de>,
                            Tassilo Philipp <tphilipp@potion-studios.com>
 
    Permission to use, copy, modify, and distribute this software for any