gcc/config/mips/iris5gas.h

   1 /* Definitions of target machine for GNU compiler.  Irix version 5 with gas.  */
   2
   3 /* Enable debugging.  */
   4 #define DBX_DEBUGGING_INFO 1
   5 #define DWARF2_DEBUGGING_INFO 1
   6 #define SDB_DEBUGGING_INFO 1
   7 #define MIPS_DEBUGGING_INFO 1
   8 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
   9
  10 /* GNU as does handle DWARF2 directives.  */
  11 #undef DWARF2_UNWIND_INFO
  12 #define DWARF2_UNWIND_INFO 1
  13
  14 /* Override iris5.h version to invoke [cd]tors and register eh frame
  15    information.  */
  16 #undef LINK_SPEC
  17 #define LINK_SPEC "\
  18 %{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} \
  19 %{bestGnum} %{shared} %{non_shared} \
  20 %{call_shared} %{no_archive} %{exact_version} \
  21 %{static: -non_shared} \
  22 %{!static: \
  23   %{!shared:%{!non_shared:%{!call_shared: -call_shared -no_unresolved}}}} \
  24 %{rpath} -init __do_global_ctors -fini __do_global_dtors \
  25 %{shared:-hidden_symbol __do_global_ctors,__do_global_ctors_1,__do_global_dtors} \
  26 -_SYSTYPE_SVR4"
  27
  28 /* Override iris5.h versions to include crtbegin.o and crtend.o.  */
  29
  30 #undef STARTFILE_SPEC
  31 #define STARTFILE_SPEC "\
  32 %{!static: \
  33   %{!shared:%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}}} \
  34 %{static: \
  35   %{pg:gcrt1.o%s} \
  36   %{!pg:%{p:/usr/lib/nonshared/mcrt1.o%s libprof1.a%s} \
  37   %{!p:/usr/lib/nonshared/crt1.o%s}}} \
  38 crtbegin.o%s"
  39
  40 #undef ENDFILE_SPEC
  41 #define ENDFILE_SPEC "crtend.o%s %{!shared:crtn.o%s}"
  42
  43 /* Irix 5 does not have some strange restrictions that Irix 3 had.  */
  44 #undef SET_FILE_NUMBER
  45 #define SET_FILE_NUMBER() ++num_source_filenames
  46 #undef LABEL_AFTER_LOC
  47 #define LABEL_AFTER_LOC(STREAM)
  48
  49 /* We need to use .esize and .etype instead of .size and .type to
  50    avoid conflicting with ELF directives.  These are only recognized
  51    by gas, anyhow, not the native assembler.  */
  52 #undef PUT_SDB_SIZE
  53 #define PUT_SDB_SIZE(a)                                       \
  54 do {                                                  \
  55   extern FILE *asm_out_text_file;                     \
  56   fprintf (asm_out_text_file, "\t.esize\t");          \
  57   fprintf (asm_out_text_file, HOST_WIDE_INT_PRINT_DEC, (HOST_WIDE_INT) (a)); \
  58   fprintf (asm_out_text_file, ";");                   \
  59 } while (0)
  60
  61 #undef PUT_SDB_TYPE
  62 #define PUT_SDB_TYPE(a)                                       \
  63 do {                                                  \
  64   extern FILE *asm_out_text_file;                     \
  65   fprintf (asm_out_text_file, "\t.etype\t0x%x;", (a));        \
  66 } while (0)
  67
  68 /* Switch into a generic section.  */
  69 #undef TARGET_ASM_NAMED_SECTION
  70 #define TARGET_ASM_NAMED_SECTION  default_elf_asm_named_section
  71
  72 /* Add -g to mips.h default to avoid confusing gas with local symbols
  73    generated from stabs info.  */
  74 #undef NM_FLAGS
  75 #define NM_FLAGS "-Bng"
  76
  77 /* Disable SHF_MERGE support.  Even if gas supports it, the IRIX ld does not
  78    without a special elspec(5) file.  */
  79 #undef HAVE_GAS_SHF_MERGE