diff options
Diffstat (limited to 'gcc/config/rs6000/aix31.h')
| -rw-r--r-- | gcc/config/rs6000/aix31.h | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/gcc/config/rs6000/aix31.h b/gcc/config/rs6000/aix31.h index 46bd03c38fb..34d3628e8bd 100644 --- a/gcc/config/rs6000/aix31.h +++ b/gcc/config/rs6000/aix31.h @@ -1,6 +1,6 @@ /* Definitions of target machine for GNU compiler, for IBM RS/6000 running AIX version 3.1. - Copyright (C) 1993,1997 Free Software Foundation, Inc. + Copyright (C) 1993,1997, 2000 Free Software Foundation, Inc. Contributed by Richard Kenner (kenner@nyu.edu) This file is part of GNU CC. @@ -22,6 +22,45 @@ Boston, MA 02111-1307, USA. */ #include "rs6000/rs6000.h" +#include "rs6000/aix.h" + +/* Output something to declare an external symbol to the assembler. Most + assemblers don't need this. + + If we haven't already, add "[RW]" (or "[DS]" for a function) to the + name. Normally we write this out along with the name. In the few cases + where we can't, it gets stripped off. */ + +#undef ASM_OUTPUT_EXTERNAL +#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \ +{ rtx _symref = XEXP (DECL_RTL (DECL), 0); \ + if ((TREE_CODE (DECL) == VAR_DECL \ + || TREE_CODE (DECL) == FUNCTION_DECL) \ + && (NAME)[strlen (NAME) - 1] != ']') \ + { \ + char *_name = (char *) permalloc (strlen (XSTR (_symref, 0)) + 5); \ + strcpy (_name, XSTR (_symref, 0)); \ + strcat (_name, TREE_CODE (DECL) == FUNCTION_DECL ? "[DS]" : "[RW]"); \ + XSTR (_symref, 0) = _name; \ + } \ + fputs ("\t.extern ", FILE); \ + assemble_name (FILE, XSTR (_symref, 0)); \ + if (TREE_CODE (DECL) == FUNCTION_DECL) \ + { \ + fputs ("\n\t.extern .", FILE); \ + RS6000_OUTPUT_BASENAME (FILE, XSTR (_symref, 0)); \ + } \ + putc ('\n', FILE); \ +} + +/* Similar, but for libcall. We only have to worry about the function name, + not that of the descriptor. */ + +#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \ +{ fputs ("\t.extern .", FILE); \ + assemble_name (FILE, XSTR (FUN, 0)); \ + putc ('\n', FILE); \ +} /* AIX 3.2 defined _AIX32, but older versions do not. */ #undef CPP_PREDEFINES |
