gcc/config/m68k/dpx2g.h

   1 /*
   2  * dpx2g.h - Bull DPX/2 200 and 300 systems (m68k, SysVr3) with gas
   3  */
   4
   5 #define USE_GAS
   6 #include "m68k/dpx2.h"
   7
   8 #if 0 /* #ifndef USE_COLLECT2 */
   9
  10 /* We use set vectors for the constructors/destructors. */
  11
  12 #undef ASM_OUTPUT_CONSTRUCTOR
  13 #undef ASM_OUTPUT_DESTRUCTOR
  14
  15 /* Although the gas we use can create .ctor and .dtor sections from N_SETT
  16    stabs, it does not support section directives, so we need to have the loader
  17    define the lists.
  18  */
  19 #define CTOR_LISTS_DEFINED_EXTERNALLY
  20
  21 /* similar to default, but allows for the table defined by ld with gcc.ifile.
  22    nptrs is always 0.  So we need to instead check that __DTOR_LIST__[1] != 0.
  23    The old check is left in so that the same macro can be used if and when
  24    a future version of gas does support section directives. */
  25
  26 #define DO_GLOBAL_DTORS_BODY {int nptrs = *(int *)__DTOR_LIST__; int i; \
  27   if (nptrs == -1 || (__DTOR_LIST__[0] == 0 && __DTOR_LIST__[1] != 0))  \
  28     for (nptrs = 0; __DTOR_LIST__[nptrs + 1] != 0; nptrs++);            \
  29   for (i = nptrs; i >= 1; i--)                                          \
  30     __DTOR_LIST__[i] (); }
  31
  32 #undef STARTFILE_SPEC
  33 #define STARTFILE_SPEC \
  34   "%{!r:gcc.ifile%s}\
  35    %{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}\
  36   huge.o%s"
  37
  38 #endif /* !USE_COLLECT2 */
  39
  40 #undef STARTFILE_SPEC
  41 #define STARTFILE_SPEC \
  42   "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}\
  43   huge.o%s"
  44
  45
  46 /*
  47  * we are using GAS
  48  */
  49 #undef EXTRA_SECTION_FUNCTIONS
  50 #undef EXTRA_SECTIONS
  51 /* Gas understands dollars in labels. */
  52 #undef NO_DOLLAR_IN_LABEL
  53 /* GAS does not understand .ident so don't output anything for #ident.  */
  54 #undef ASM_OUTPUT_IDENT
  55
  56 #undef ASM_LONG
  57 #define ASM_LONG "\t.long"
  58
  59 /*
  60  * put const's in the text section
  61  */
  62 #define const_section()  text_section()
  63 #define fini_section() while (0)
  64
  65 #undef CTORS_SECTION_ASM_OP
  66 #define CTORS_SECTION_ASM_OP "\t.data"
  67 #undef DTORS_SECTION_ASM_OP
  68 #define DTORS_SECTION_ASM_OP "\t.data"
  69 #undef INIT_SECTION_ASM_OP
  70
  71 /* end of dpx2g.h */