X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=gcc%2Fconfig%2Fia64%2Fsysv4.h;h=0e03e7d6107429dcf040f0d62ca9662aa90a4aca;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=840ebdd971163c8fc9bf8fabac93a62b616d2b6a;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/gcc/config/ia64/sysv4.h b/gcc/config/ia64/sysv4.h index 840ebdd9..0e03e7d6 100644 --- a/gcc/config/ia64/sysv4.h +++ b/gcc/config/ia64/sysv4.h @@ -1,5 +1,8 @@ /* 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 @@ -33,8 +36,8 @@ 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; @@ -42,11 +45,10 @@ 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); \ @@ -62,8 +64,6 @@ do { \ #define ASM_OUTPUT_LABELREF(STREAM, NAME) \ do { \ const char *name_ = NAME; \ - if (*name_ == SDATA_NAME_FLAG_CHAR) \ - name_++; \ if (*name_ == '*') \ name_++; \ else \ @@ -84,8 +84,8 @@ do { \ #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" @@ -120,203 +120,11 @@ do { \ 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; \ - } \ -}