/* Override definitions in elfos.h/svr4.h to be correct for IA64. */
+#undef TARGET_INIT_LIBFUNCS
+#define TARGET_INIT_LIBFUNCS ia64_sysv4_init_libfuncs
+
/* We want DWARF2 as specified by the IA64 ABI. */
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
the Intel simulator. So we must explicitly put variables in .bss
instead. This matters only if we care about the Intel assembler. */
-/* This is asm_output_aligned_bss from varasm.c without the ASM_GLOBALIZE_LABEL
- call at the beginning. */
+/* This is asm_output_aligned_bss from varasm.c without the
+ (*targetm.asm_out.globalize_label) call at the beginning. */
/* This is for final.c, because it is used by ASM_DECLARE_OBJECT_NAME. */
extern int size_directive_output;
#undef ASM_OUTPUT_ALIGNED_LOCAL
#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
do { \
- if ((DECL) \
- && XSTR (XEXP (DECL_RTL (DECL), 0), 0)[0] == SDATA_NAME_FLAG_CHAR) \
- sbss_section (); \
+ if ((DECL) && sdata_symbolic_operand (XEXP (DECL_RTL (DECL), 0), Pmode)) \
+ switch_to_section (sbss_section); \
else \
- bss_section (); \
+ switch_to_section (bss_section); \
ASM_OUTPUT_ALIGN (FILE, floor_log2 ((ALIGN) / BITS_PER_UNIT)); \
ASM_DECLARE_OBJECT_NAME (FILE, NAME, DECL); \
ASM_OUTPUT_SKIP (FILE, SIZE ? SIZE : 1); \
#define ASM_OUTPUT_LABELREF(STREAM, NAME) \
do { \
const char *name_ = NAME; \
- if (*name_ == SDATA_NAME_FLAG_CHAR) \
- name_++; \
if (*name_ == '*') \
name_++; \
else \
#define DBX_REGISTER_NUMBER(REGNO) \
ia64_dbx_register_number(REGNO)
-/* Things that svr4.h defines to the wrong type, because it assumes 32 bit
- ints and 32 bit longs. */
+/* Things that svr4.h defines to the wrong type, because it assumes 32-bit
+ ints and 32-bit longs. */
#undef SIZE_TYPE
#define SIZE_TYPE "long unsigned int"
fputc ('\n', FILE); \
} while (0)
-/* A C expression which outputs to the stdio stream STREAM some appropriate
- text to go at the start of an assembler file. */
-
-/* ??? Looks like almost every port, except for a few original ones, get this
- wrong. Must emit #NO_APP as first line of file to turn of special assembler
- preprocessing of files. */
-
-/* ??? Even worse, it doesn't work, because gas does not accept the tab chars
- that dwarf2out.c emits when #NO_APP. */
-
-/* ??? Unrelated, but dwarf2out.c emits unnecessary newlines after strings,
- may as well fix at the same time. */
-
-#undef ASM_FILE_START
-#define ASM_FILE_START(STREAM) \
-do { \
- output_file_directive (STREAM, main_input_filename); \
- emit_safe_across_calls (STREAM); \
-} while (0)
-
-/* A C statement or statements to switch to the appropriate
- section for output of DECL. DECL is either a `VAR_DECL' node
- or a constant of some sort. RELOC indicates whether forming
- the initial value of DECL requires link-time relocations.
-
- Set SECNUM to:
- 0 .text
- 1 .rodata
- 2 .data
- 3 .sdata
- 4 .bss
- 5 .sbss
-*/
-#define DO_SELECT_SECTION(SECNUM, DECL, RELOC) \
- do \
- { \
- if (TREE_CODE (DECL) == FUNCTION_DECL) \
- SECNUM = 0; \
- else if (TREE_CODE (DECL) == STRING_CST) \
- { \
- if (! flag_writable_strings) \
- SECNUM = 0x101; \
- else \
- SECNUM = 2; \
- } \
- else if (TREE_CODE (DECL) == VAR_DECL) \
- { \
- if (XSTR (XEXP (DECL_RTL (DECL), 0), 0)[0] \
- == SDATA_NAME_FLAG_CHAR) \
- SECNUM = 3; \
- /* ??? We need the extra RELOC check, because the default \
- is to only check RELOC if flag_pic is set, and we don't \
- set flag_pic (yet?). */ \
- else if (!DECL_READONLY_SECTION (DECL, RELOC) || (RELOC)) \
- SECNUM = 2; \
- else if (flag_merge_constants < 2) \
- /* C and C++ don't allow different variables to share \
- the same location. -fmerge-all-constants allows \
- even that (at the expense of not conforming). */ \
- SECNUM = 1; \
- else if (TREE_CODE (DECL_INITIAL (DECL)) == STRING_CST) \
- SECNUM = 0x201; \
- else \
- SECNUM = 0x301; \
- } \
- /* This could be a CONSTRUCTOR containing ADDR_EXPR of a VAR_DECL, \
- in which case we can't put it in a shared library rodata. */ \
- else if (flag_pic && (RELOC)) \
- SECNUM = 3; \
- else \
- SECNUM = 2; \
- } \
- while (0)
-
-/* We override svr4.h so that we can support the sdata section. */
-
-#undef SELECT_SECTION
-#define SELECT_SECTION(DECL,RELOC,ALIGN) \
- do \
- { \
- typedef void (*sec_fn) PARAMS ((void)); \
- static sec_fn const sec_functions[6] = \
- { \
- text_section, \
- const_section, \
- data_section, \
- sdata_section, \
- bss_section, \
- sbss_section \
- }; \
- \
- int sec; \
- \
- DO_SELECT_SECTION (sec, DECL, RELOC); \
- \
- switch (sec) \
- { \
- case 0x101: \
- mergeable_string_section (DECL, ALIGN, 0); \
- break; \
- case 0x201: \
- mergeable_string_section (DECL_INITIAL (DECL), \
- ALIGN, 0); \
- break; \
- case 0x301: \
- mergeable_constant_section (DECL_MODE (DECL), \
- ALIGN, 0); \
- break; \
- default: \
- (*sec_functions[sec]) (); \
- break; \
- } \
- } \
- while (0)
-
-#undef UNIQUE_SECTION
-#define UNIQUE_SECTION(DECL, RELOC) \
- do \
- { \
- static const char * const prefixes[6][2] = \
- { \
- { ".text.", ".gnu.linkonce.t." }, \
- { ".rodata.", ".gnu.linkonce.r." }, \
- { ".data.", ".gnu.linkonce.d." }, \
- { ".sdata.", ".gnu.linkonce.s." }, \
- { ".bss.", ".gnu.linkonce.b." }, \
- { ".sbss.", ".gnu.linkonce.sb." } \
- }; \
- \
- int nlen, plen, sec; \
- const char *name, *prefix; \
- char *string; \
- \
- DO_SELECT_SECTION (sec, DECL, RELOC); \
- \
- name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
- STRIP_NAME_ENCODING (name, name); \
- nlen = strlen (name); \
- \
- prefix = prefixes[sec & 0xff][DECL_ONE_ONLY(DECL)]; \
- plen = strlen (prefix); \
- \
- string = alloca (nlen + plen + 1); \
- \
- memcpy (string, prefix, plen); \
- memcpy (string + plen, name, nlen + 1); \
- \
- DECL_SECTION_NAME (DECL) = build_string (nlen + plen, string); \
- } \
- while (0)
-
-/* Similarly for constant pool data. */
-
-extern unsigned int ia64_section_threshold;
-#undef SELECT_RTX_SECTION
-#define SELECT_RTX_SECTION(MODE, RTX, ALIGN) \
-{ \
- if (GET_MODE_SIZE (MODE) > 0 \
- && GET_MODE_SIZE (MODE) <= ia64_section_threshold) \
- sdata_section (); \
- else if (flag_pic && symbolic_operand ((RTX), (MODE))) \
- data_section (); \
- else \
- mergeable_constant_section ((MODE), (ALIGN), 0); \
-}
-
-#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_const, in_sdata, in_sbss
-
-#undef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS \
- CONST_SECTION_FUNCTION \
- SDATA_SECTION_FUNCTION \
- SBSS_SECTION_FUNCTION
+/* Override default elf definition. */
+#undef TARGET_ASM_RELOC_RW_MASK
+#define TARGET_ASM_RELOC_RW_MASK ia64_reloc_rw_mask
+#undef TARGET_ASM_SELECT_RTX_SECTION
+#define TARGET_ASM_SELECT_RTX_SECTION ia64_select_rtx_section
#define SDATA_SECTION_ASM_OP "\t.sdata"
-
-#define SDATA_SECTION_FUNCTION \
-void \
-sdata_section () \
-{ \
- if (in_section != in_sdata) \
- { \
- fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP); \
- in_section = in_sdata; \
- } \
-}
-
#define SBSS_SECTION_ASM_OP "\t.sbss"
-
-#define SBSS_SECTION_FUNCTION \
-void \
-sbss_section () \
-{ \
- if (in_section != in_sbss) \
- { \
- fprintf (asm_out_file, "%s\n", SBSS_SECTION_ASM_OP); \
- in_section = in_sbss; \
- } \
-}
projects / msp430-gcc.git / blobdiff