If DECL is NULL, no attributes are emitted. */
#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME, RELOC) \
-do { \
- static struct section_info \
+ do \
{ \
- struct section_info *next; \
- char *name; \
- enum sect_enum {SECT_RW, SECT_RO, SECT_EXEC} type; \
- } *sections; \
- struct section_info *s; \
- char *mode; \
- enum sect_enum type; \
- \
- for (s = sections; s; s = s->next) \
- if (!strcmp (NAME, s->name)) \
- break; \
- \
- if (DECL && TREE_CODE (DECL) == FUNCTION_DECL) \
- type = SECT_EXEC, mode = "ax"; \
- else if (DECL && DECL_READONLY_SECTION (DECL, RELOC)) \
- type = SECT_RO, mode = "a"; \
- else \
- type = SECT_RW, mode = "aw"; \
- \
- if (s == 0) \
- { \
- s = (struct section_info *) xmalloc (sizeof (struct section_info)); \
- s->name = xmalloc ((strlen (NAME) + 1) * sizeof (*NAME)); \
- strcpy (s->name, NAME); \
- s->type = type; \
- s->next = sections; \
- sections = s; \
- fprintf (FILE, "\t.section\t%s,\"%s\",@progbits\n", NAME, mode); \
- } \
- else \
- { \
- if (DECL && s->type != type) \
- error_with_decl (DECL, "%s causes a section type conflict"); \
- \
- fprintf (FILE, "\t.section\t%s\n", NAME); \
+ static htab_t htab; \
+ \
+ struct section_info \
+ { \
+ enum sect_enum {SECT_RW, SECT_RO, SECT_EXEC} type; \
+ }; \
+ \
+ struct section_info *s; \
+ const char *mode; \
+ enum sect_enum type; \
+ PTR* slot; \
+ \
+ /* The names we put in the hashtable will always be the unique \
+ versions gived to us by the stringtable, so we can just use \
+ their addresses as the keys. */ \
+ if (!htab) \
+ htab = htab_create (31, \
+ htab_hash_pointer, \
+ htab_eq_pointer, \
+ NULL); \
+ \
+ if (DECL && TREE_CODE (DECL) == FUNCTION_DECL) \
+ type = SECT_EXEC, mode = "ax"; \
+ else if (DECL && DECL_READONLY_SECTION (DECL, RELOC)) \
+ type = SECT_RO, mode = "a"; \
+ else \
+ type = SECT_RW, mode = "aw"; \
+ \
+ \
+ /* See if we already have an entry for this section. */ \
+ slot = htab_find_slot (htab, NAME, INSERT); \
+ if (!*slot) \
+ { \
+ s = (struct section_info *) xmalloc (sizeof (* s)); \
+ s->type = type; \
+ *slot = s; \
+ fprintf (FILE, "\t.section\t%s,\"%s\",@progbits\n", \
+ NAME, mode); \
+ } \
+ else \
+ { \
+ s = (struct section_info *) *slot; \
+ if (DECL && s->type != type) \
+ error_with_decl (DECL, \
+ "%s causes a section type conflict"); \
+ \
+ fprintf (FILE, "\t.section\t%s\n", NAME); \
+ } \
} \
-} while (0)
+ while (0)
#define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1)
#define UNIQUE_SECTION_P(DECL) (DECL_ONE_ONLY (DECL))