Fix overflow detection in the Z80 assembler.

[binutils-gdb.git] / gas / config / obj-macho.h

diff --git a/gas/config/obj-macho.h b/gas/config/obj-macho.h
index e081ba0ec2d25471925113fd820c5b275caf1157..65474f3769c3f2b98f50351eede9051787bad109 100644 (file)
--- a/gas/config/obj-macho.h
+++ b/gas/config/obj-macho.h
@@ -1,5 +1,5 @@
 /* Mach-O object file format for gas, the assembler.
-   Copyright 2009, 2011, 2012 Free Software Foundation, Inc.
+   Copyright (C) 2009-2021 Free Software Foundation, Inc.
 
    This file is part of GAS, the GNU Assembler.
 
@@ -35,7 +35,7 @@
 extern void mach_o_begin (void);
 
 /* All our align expressions are power of two.  */
-#define USE_ALIGN_PTWO
+#define USE_ALIGN_PTWO 1
 
 /* Common symbols can carry alignment information.  */
 #ifndef S_SET_ALIGN
@@ -56,22 +56,53 @@ extern const pseudo_typeS mach_o_pseudo_table[];
 #define obj_read_begin_hook()  {;}
 #define obj_symbol_new_hook(s) {;}
 
-#define obj_frob_label(s) obj_macho_frob_label(s)
-extern void obj_macho_frob_label (struct symbol *);
+#define EMIT_SECTION_SYMBOLS           0
+
+struct obj_mach_o_symbol_data
+{
+  /* If the symbol represents a subsection, this is the size of the subsection.
+     This is used to check whether a local symbol belongs to a subsection.  */
+  valueT subsection_size;
+};
+#define OBJ_SYMFIELD_TYPE struct obj_mach_o_symbol_data
+
+#define obj_frob_colon obj_mach_o_frob_colon
+extern void obj_mach_o_frob_colon (const char *);
+
+/* Called when a label is defined.  Mach-O uses this to create subsections.  */
+#define obj_frob_label obj_mach_o_frob_label
+extern void obj_mach_o_frob_label (symbolS *);
+
+#define obj_frob_symbol(s, punt) punt = obj_mach_o_frob_symbol(s)
+extern int obj_mach_o_frob_symbol (struct symbol *);
+
+#define OBJ_PROCESS_STAB(SEG,W,S,T,O,D)        obj_mach_o_process_stab(W,S,T,O,D)
+extern void obj_mach_o_process_stab (int, const char *,int, int, int);
 
-#define obj_frob_symbol(s, punt) punt = obj_macho_frob_symbol(s)
-extern int obj_macho_frob_symbol (struct symbol *);
+struct obj_mach_o_frag_data
+{
+  /* Symbol that corresponds to the subsection.  */
+  symbolS *subsection;
+};
+
+#define OBJ_FRAG_TYPE struct obj_mach_o_frag_data
+
+#define md_pre_output_hook obj_mach_o_pre_output_hook()
+extern void obj_mach_o_pre_output_hook(void);
+
+#define md_pre_relax_hook obj_mach_o_pre_relax_hook()
+extern void obj_mach_o_pre_relax_hook (void);
 
 #define md_post_relax_hook obj_mach_o_post_relax_hook()
-void obj_mach_o_post_relax_hook (void);
+extern void obj_mach_o_post_relax_hook (void);
 
 #define obj_frob_file_after_relocs obj_mach_o_frob_file_after_relocs
 extern void obj_mach_o_frob_file_after_relocs (void);
 
-void obj_mach_o_reorder_section_relocs (asection *, arelent **, unsigned int);
-
 #define SET_SECTION_RELOCS(sec, relocs, n) \
   obj_mach_o_reorder_section_relocs (sec, relocs, n)
+extern void obj_mach_o_reorder_section_relocs (asection *, arelent **,
+                                              unsigned int);
 
 /* Emit relocs for local subtracts, to cater for subsections-via-symbols.  */
 #define md_allow_local_subtract(LEFT, RIGHT, SECTION) \
@@ -79,9 +110,10 @@ void obj_mach_o_reorder_section_relocs (asection *, arelent **, unsigned int);
 extern int obj_mach_o_allow_local_subtract (expressionS *, expressionS *,
                                            segT);
 
-#define EMIT_SECTION_SYMBOLS           0
-
-#define OBJ_PROCESS_STAB(SEG,W,S,T,O,D)        obj_mach_o_process_stab(W,S,T,O,D)
-extern void obj_mach_o_process_stab (int, const char *,int, int, int);
+struct fix;
+extern int obj_mach_o_in_different_subsection (symbolS *a, symbolS *b);
+extern int obj_mach_o_force_reloc (struct fix *fix);
+extern int obj_mach_o_force_reloc_sub_same (struct fix *fix, segT seg);
+extern int obj_mach_o_force_reloc_sub_local (struct fix *fix, segT seg);
 
 #endif /* _OBJ_MACH_O_H */