/* Mach-O object file format for gas, the assembler.
- Copyright 2009, 2011 Free Software Foundation, Inc.
+ Copyright (C) 2009-2020 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
#define OUTPUT_FLAVOR bfd_target_mach_o_flavour
+/* We want to control how the sections are pre-defined on startup. */
+#define obj_begin() mach_o_begin ()
+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
#define S_SET_ALIGN(S,V) do {\
- bfd_mach_o_asymbol *s = (bfd_mach_o_asymbol *) symbol_get_bfdsym (S);\
- s->n_desc = (s->n_desc & 0xf0ff) | (((V) & 0x0f) << 8);\
+ bfd_mach_o_asymbol *___s = (bfd_mach_o_asymbol *) symbol_get_bfdsym (S);\
+ ___s->n_desc = (___s->n_desc & 0xf0ff) | (((V) & 0x0f) << 8);\
} while (0)
#endif
#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);
+
+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()
+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);
+
+#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) \
+ obj_mach_o_allow_local_subtract (LEFT, RIGHT, SECTION)
+extern int obj_mach_o_allow_local_subtract (expressionS *, expressionS *,
+ segT);
+
+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 */