diff options
Diffstat (limited to 'gcc/config/alpha/elf.h')
| -rw-r--r-- | gcc/config/alpha/elf.h | 161 |
1 files changed, 2 insertions, 159 deletions
diff --git a/gcc/config/alpha/elf.h b/gcc/config/alpha/elf.h index 22b63f0..5519998 100644 --- a/gcc/config/alpha/elf.h +++ b/gcc/config/alpha/elf.h @@ -191,13 +191,7 @@ do { \ #undef ASCII_DATA_ASM_OP #define ASCII_DATA_ASM_OP "\t.ascii\t" -/* Support const sections and the ctors and dtors sections for g++. - Note that there appears to be two different ways to support const - sections at the moment. You can either #define the symbol - READONLY_DATA_SECTION (giving it some code which switches to the - readonly data section) or else you can #define the symbols - EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, SELECT_SECTION, and - SELECT_RTX_SECTION. We do both here just to be on the safe side. */ +/* Support const sections and the ctors and dtors sections for g++. */ #undef USE_CONST_SECTION #define USE_CONST_SECTION 1 @@ -284,161 +278,10 @@ void FN () \ /* Switch into a generic section. */ #define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section - -/* 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 \ - { \ - HOST_WIDE_INT size; \ - SECNUM = 1; \ - if (TREE_CODE (DECL) == FUNCTION_DECL) \ - { \ - SECNUM = 0; \ - break; \ - } \ - else if (TREE_CODE (DECL) == STRING_CST) \ - { \ - if (flag_writable_strings) \ - SECNUM = 2; \ - else \ - SECNUM = 0x101; \ - break; \ - } \ - else if (TREE_CODE (DECL) == VAR_DECL) \ - { \ - if (DECL_INITIAL (DECL) == NULL \ - || DECL_INITIAL (DECL) == error_mark_node) \ - SECNUM = 4; \ - else if ((flag_pic && RELOC) \ - || ! TREE_READONLY (DECL) \ - || TREE_SIDE_EFFECTS (DECL) \ - || ! TREE_CONSTANT (DECL_INITIAL (DECL))) \ - 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). */ \ - if (TREE_CODE (DECL_INITIAL (DECL)) == STRING_CST)\ - SECNUM = 0x201; \ - else \ - SECNUM = 0x301; \ - } \ - } \ - else if (TREE_CODE (DECL) == CONSTRUCTOR) \ - { \ - if ((flag_pic && RELOC) \ - || TREE_SIDE_EFFECTS (DECL) \ - || ! TREE_CONSTANT (DECL)) \ - SECNUM = 2; \ - } \ - \ - /* Select small data sections based on size. */ \ - size = int_size_in_bytes (TREE_TYPE (DECL)); \ - if (size >= 0 && size <= g_switch_value) \ - { \ - if ((SECNUM & 0xff) >= 2) \ - SECNUM += 1; \ - /* Move readonly data to .sdata only if -msmall-data. */ \ - /* ??? Consider .sdata.{lit4,lit8} as \ - SHF_MERGE|SHF_ALPHA_GPREL. */ \ - else if (TARGET_SMALL_DATA) \ - SECNUM = 3; \ - } \ - } \ - while (0) - -#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) +#define TARGET_ASM_SELECT_SECTION default_elf_select_section #define MAKE_DECL_ONE_ONLY(DECL) (DECL_WEAK (DECL) = 1) -#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) - /* A C statement or statements to switch to the appropriate section for output of RTX in mode MODE. RTX is some kind of constant in RTL. The argument MODE is redundant except |