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Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/extend.texi | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 59297d2..f1f499d 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -5998,6 +5998,8 @@ for further explanation. @menu * ARM Pragmas:: * Darwin Pragmas:: +* Solaris Pragmas:: +* Tru64 Pragmas:: @end menu @node ARM Pragmas @@ -6062,6 +6064,44 @@ that of the @code{unused} attribute, except that this pragma may appear anywhere within the variables' scopes. @end table +@node Solaris Pragmas +@subsection Solaris Pragmas + +For compatibility with the SunPRO compiler, the following pragma +is supported. + +@table @code +@item redefine_extname @var{oldname} @var{newname} +@cindex pragma, redefine_extname + +This pragma gives the C function @var{oldname} the assembler label +@var{newname}. The pragma must appear before the function declaration. +This pragma is equivalent to the asm labels extension (@pxref{Asm +Labels}). The preprocessor defines @code{__PRAGMA_REDEFINE_EXTNAME} +if the pragma is available. +@end table + +@node Tru64 Pragmas +@subsection Tru64 Pragmas + +For compatibility with the Compaq C compiler, the following pragma +is supported. + +@table @code +@item extern_prefix @var{string} +@cindex pragma, extern_prefix + +This pragma renames all subsequent function and variable declarations +such that @var{string} is prepended to the name. This effect may be +terminated by using another @code{extern_prefix} pragma with the +empty string. + +This pragma is similar in intent to to the asm labels extension +(@pxref{Asm Labels}) in that the system programmer wants to change +the assembly-level ABI without changing the source-level API. The +preprocessor defines @code{__EXTERN_PREFIX} if the pragma is available. +@end table + @node Unnamed Fields @section Unnamed struct/union fields within structs/unions. @cindex struct |