regen_perly.pl: print command with -v

[perl5.git] / XSUB.h

diff --git a/XSUB.h b/XSUB.h
index 5aa6169..e64bc83 100644 (file)
--- a/XSUB.h
+++ b/XSUB.h
@@ -49,7 +49,7 @@ Used to access elements on the XSUB's stack.
 
 =for apidoc AmU||XS
 Macro to declare an XSUB and its C parameter list.  This is handled by
-C<xsubpp>.  It is the same as using the more explicit XS_EXTERNAL macro.
+C<xsubpp>.  It is the same as using the more explicit C<XS_EXTERNAL> macro.
 
 =for apidoc AmU||XS_INTERNAL
 Macro to declare an XSUB and its C parameter list without exporting the symbols.
@@ -72,7 +72,7 @@ Sets up the C<items> variable.
 This is usually handled automatically by C<xsubpp> by calling C<dXSARGS>.
 
 =for apidoc Ams||dXSARGS
-Sets up stack and mark pointers for an XSUB, calling dSP and dMARK.
+Sets up stack and mark pointers for an XSUB, calling C<dSP> and C<dMARK>.
 Sets up the C<ax> and C<items> variables by calling C<dAX> and C<dITEMS>.
 This is usually handled automatically by C<xsubpp>.
 
@@ -86,8 +86,8 @@ C<padoff_du>, but it is currently a noop.  However, it is strongly advised
 to still use it for ensuring past and future compatibility.
 
 =for apidoc AmU||UNDERBAR
-The SV* corresponding to the $_ variable.  Works even if there
-is a lexical $_ in scope.
+The SV* corresponding to the C<$_> variable.  Works even if there
+is a lexical C<$_> in scope.
 
 =cut
 */
@@ -286,7 +286,7 @@ handled automatically by C<ExtUtils::MakeMaker>.  See
 C<L</XS_VERSION_BOOTCHECK>>.
 
 =for apidoc Ams||XS_VERSION_BOOTCHECK
-Macro to verify that a PM module's $VERSION variable matches the XS
+Macro to verify that a PM module's C<$VERSION> variable matches the XS
 module's C<XS_VERSION> variable.  This is usually handled automatically by
 C<xsubpp>.  See L<perlxs/"The VERSIONCHECK: Keyword">.
 
@@ -327,6 +327,7 @@ Rethrows a previously caught exception.  See L<perlguts/"Exception Handling">.
 #define XSRETURN(off)                                  \
     STMT_START {                                       \
        const IV tmpXSoff = (off);                      \
+       assert(tmpXSoff >= 0);\
        PL_stack_sp = PL_stack_base + ax + (tmpXSoff - 1);      \
        return;                                         \
     } STMT_END