You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
#ifndef GCC_OUTPUT_H
#define GCC_OUTPUT_H
get its actual length. Otherwise, get its maximum length. */
extern int get_attr_length (rtx);
+/* Obtain the current length of an insn. If branch shortening has been done,
+ get its actual length. Otherwise, get its minimum length. */
+extern int get_attr_min_length (rtx);
+
/* Make a pass over all insns and compute their actual lengths by shortening
any branches of variable length if possible. */
extern void shorten_branches (rtx);
#endif
};
-extern char *unlikely_section_label;
-extern char *hot_section_label;
-extern char *hot_section_end_label;
-extern char *cold_section_end_label;
-extern char *unlikely_text_section_name;
extern const char *last_text_section_name;
extern enum in_section last_text_section;
extern bool first_function_block_is_cold;
#define SECTION_NOTYPE 0x80000 /* don't output @progbits */
#define SECTION_MACH_DEP 0x100000 /* subsequent bits reserved for target */
+/* A helper function for default_elf_select_section and
+ default_elf_unique_section. Categorizes the DECL. */
+
+enum section_category
+{
+ SECCAT_TEXT,
+
+ SECCAT_RODATA,
+ SECCAT_RODATA_MERGE_STR,
+ SECCAT_RODATA_MERGE_STR_INIT,
+ SECCAT_RODATA_MERGE_CONST,
+ SECCAT_SRODATA,
+
+ SECCAT_DATA,
+
+ /* To optimize loading of shared programs, define following subsections
+ of data section:
+ _REL Contains data that has relocations, so they get grouped
+ together and dynamic linker will visit fewer pages in memory.
+ _RO Contains data that is otherwise read-only. This is useful
+ with prelinking as most relocations won't be dynamically
+ linked and thus stay read only.
+ _LOCAL Marks data containing relocations only to local objects.
+ These relocations will get fully resolved by prelinking. */
+ SECCAT_DATA_REL,
+ SECCAT_DATA_REL_LOCAL,
+ SECCAT_DATA_REL_RO,
+ SECCAT_DATA_REL_RO_LOCAL,
+
+ SECCAT_SDATA,
+ SECCAT_TDATA,
+
+ SECCAT_BSS,
+ SECCAT_SBSS,
+ SECCAT_TBSS
+};
+
+
extern bool set_named_section_flags (const char *, unsigned int);
#define named_section_flags(NAME, FLAGS) \
named_section_real((NAME), (FLAGS), /*decl=*/NULL_TREE)
extern void default_no_named_section (const char *, unsigned int, tree);
extern void default_elf_asm_named_section (const char *, unsigned int, tree);
+extern enum section_category categorize_decl_for_section (tree, int, int);
extern void default_coff_asm_named_section (const char *, unsigned int, tree);
extern void default_pe_asm_named_section (const char *, unsigned int, tree);
extern int default_address_cost (rtx);
-/* When performing hot/cold basic block partitioning, insert note in
- instruction stream indicating boundary between hot and cold sections. */
-extern void insert_section_boundary_note (void);
-
/* dbxout helper functions */
#if defined DBX_DEBUGGING_INFO || defined XCOFF_DEBUGGING_INFO