-/* tc-hppa.h -- Header file for the PA */
-
-/* Copyright (C) 1989, 1993 Free Software Foundation, Inc.
+/* tc-hppa.h -- Header file for the PA
+ Copyright (C) 1989, 93, 94, 95, 96, 97, 98, 99, 2000
+ Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with GAS; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ along with GAS; see the file COPYING. If not, write to the Free
+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
/* HP PA-RISC support was contributed by the Center for Software Science
already far too much object file format dependent code in this file.
In theory this file should contain only exported functions, structures
and data declarations common to all PA assemblers. */
-
+
#ifndef _TC_HPPA_H
#define _TC_HPPA_H
#define TC_HPPA 1
#endif
+#define TARGET_BYTES_BIG_ENDIAN 1
+
#define TARGET_ARCH bfd_arch_hppa
-/* FIXME. The lack of a place to put things which are both target cpu
- and target format dependent makes hacks like this necessary. */
+#define WORKING_DOT_WORD
+
#ifdef OBJ_ELF
-#include "../bfd/elf32-hppa.h"
+#if TARGET_ARCH_SIZE == 64
+#include "bfd/elf64-hppa.h"
+#define TARGET_FORMAT "elf64-hppa"
+#else
+#include "bfd/elf32-hppa.h"
#define TARGET_FORMAT "elf32-hppa"
#endif
-
+#endif
+
#ifdef OBJ_SOM
-#include "../bfd/som.h"
+#include "bfd/som.h"
#define TARGET_FORMAT "som"
#endif
+#ifdef TE_LINUX
+/* Define to compile in an extra assembler option, -c, which enables a
+ warning (once per file) when a comment is encountered.
+ The hppa comment char is a `;' which tends to occur in random C asm
+ statements. A semicolon is a line separator for most assemblers.
+ It's hard to find these lurking semicolons. Thus... */
+#define WARN_COMMENTS 1
+#endif
+
/* FIXME. Why oh why aren't these defined somewhere globally? */
#ifndef FALSE
#define FALSE (0)
#define TRUE (!FALSE)
#endif
-/* Local labels have an "L$" prefix. */
-#define LOCAL_LABEL(name) ((name)[0] == 'L' && (name)[1] == '$')
#define ASEC_NULL (asection *)0
-/* sym1 - sym2 is valid on the PA as long as sym2 is $global$. */
-
-#define SEG_DIFF_ALLOWED
-
-/* FIXME. */
-#ifdef OBJ_ELF
-extern void elf_hppa_final_processing PARAMS ((void));
-extern void hppa_tc_symbol PARAMS ((bfd *, elf_symbol_type *, int));
-#endif
-
-extern void hppa_tc_make_sections PARAMS ((bfd *));
+/* pa_define_label gets used outside of tc-hppa.c via tc_frob_label. */
+extern void pa_define_label PARAMS ((symbolS *));
-/* FIXME. This should be static and declared in tc-hppa.c, but
- pa_define_label gets used outside of tc-hppa.c via tc_frob_label.
- Should also be PARAMized, but symbolS isn't available here. */
-extern void pa_define_label ();
+extern void parse_cons_expression_hppa PARAMS ((expressionS *));
+extern void cons_fix_new_hppa PARAMS ((fragS *, int, int, expressionS *));
+extern int hppa_force_relocation PARAMS ((struct fix *));
-/* FIXME. Types not available here, so they can't be PARAMized. */
-extern void parse_cons_expression_hppa ();
-extern void cons_fix_new_hppa ();
+/* This gets called before writing the object file to make sure
+ things like entry/exit and proc/procend pairs match. */
+extern void pa_check_eof PARAMS ((void));
+#define tc_frob_file pa_check_eof
#define tc_frob_label(sym) pa_define_label (sym)
#define tc_headers_hook(headers) {;}
#define RELOC_EXPANSION_POSSIBLE
-#define MAX_RELOC_EXPANSION 5
+#define MAX_RELOC_EXPANSION 6
/* FIXME. More things which are both HPPA and ELF specific. There is
nowhere to put such things. */
#ifdef OBJ_ELF
-#define elf_tc_symbol hppa_tc_symbol
-#define elf_tc_make_sections hppa_tc_make_sections
#define elf_tc_final_processing elf_hppa_final_processing
+void elf_hppa_final_processing PARAMS ((void));
+void pa_end_of_source PARAMS ((void));
#endif
/* The PA needs to parse field selectors in .byte, etc. */
/* Similarly for an exclamation point. It is used in FP comparison
instructions and as an end of line marker. When used in an instruction
it will always follow a comma. */
-#define TC_EOL_IN_INSN(PTR) (is_end_of_line[*(PTR)] && (PTR)[-1] == ',')
+#define TC_EOL_IN_INSN(PTR) (*(PTR) == '!' && (PTR)[-1] == ',')
+int hppa_fix_adjustable PARAMS((struct fix *));
#define tc_fix_adjustable hppa_fix_adjustable
+
+/* Because of the strange PA calling conventions, it is sometimes
+ necessary to emit a relocation for a call even though it would
+ normally appear safe to handle it completely within GAS. */
+#define TC_FORCE_RELOCATION(FIXP) hppa_force_relocation (FIXP)
+
+#ifdef OBJ_SOM
+/* If a symbol is imported, but never used, then the symbol should
+ *not* end up in the symbol table. Likewise for absolute symbols
+ with local scope. */
+#define tc_frob_symbol(sym,punt) \
+ if ((S_GET_SEGMENT (sym) == &bfd_und_section && ! symbol_used_p (sym)) \
+ || (S_GET_SEGMENT (sym) == &bfd_abs_section \
+ && ! S_IS_EXTERNAL (sym))) \
+ punt = 1
+
+/* We need to be able to make relocations involving the difference of
+ two symbols. This includes the difference of two symbols when
+ one of them is undefined (this comes up in PIC code generation).
+
+ We don't define DIFF_EXPR_OK because it does the wrong thing if
+ the add symbol is undefined and the sub symbol is a symbol in
+ the same section as the relocation. We also need some way to
+ specialize some code in adjust_reloc_syms. */
+#define UNDEFINED_DIFFERENCE_OK
+#endif
+
+#ifdef OBJ_ELF
+#define tc_frob_symbol(sym,punt) \
+ { \
+ if ((S_GET_SEGMENT (sym) == &bfd_und_section && ! symbol_used_p (sym)) \
+ || (S_GET_SEGMENT (sym) == &bfd_abs_section \
+ && ! S_IS_EXTERNAL (sym)) \
+ || strcmp (S_GET_NAME (sym), "$global$") == 0) \
+ punt = 1; \
+ }
+#endif
+
+#define md_operand(x)
+#ifdef OBJ_ELF
+#define md_end() pa_end_of_source ()
+#endif
+
+#define TC_FIX_TYPE PTR
+#define TC_INIT_FIX_DATA(FIXP) ((FIXP)->tc_fix_data = NULL)
+
#endif /* _TC_HPPA_H */
projects / deliverable / binutils-gdb.git / blobdiff