target-riscv.c

   1 #include "symbol.h"
   2 #include "target.h"
   3 #include "machine.h"
   4
   5
   6 static void init_riscv(const struct target *self)
   7 {
   8         if (arch_cmodel == CMODEL_UNKNOWN)
   9                 arch_cmodel = CMODEL_MEDLOW;
  10         if (fpic)
  11                 arch_cmodel = CMODEL_PIC;
  12 }
  13
  14 static void predefine_riscv(const struct target *self)
  15 {
  16         static const char *cmodels[CMODEL_LAST] = {
  17                 [CMODEL_MEDANY] = "medany",
  18                 [CMODEL_MEDLOW] = "medlow",
  19                 [CMODEL_PIC]    = "pic",
  20         };
  21         const char *cmodel = cmodels[arch_cmodel];
  22
  23         predefine("__riscv", 1, "1");
  24         predefine("__riscv_xlen", 1, "%d", ptr_ctype.bit_size);
  25
  26         if (cmodel)
  27                 predefine_strong("__riscv_cmodel_%s", cmodel);
  28 }
  29
  30 const struct target target_riscv32 = {
  31         .mach = MACH_RISCV32,
  32         .bitness = ARCH_LP32,
  33         .big_endian = 0,
  34         .unsigned_char = 1,
  35
  36         .target_64bit = &target_riscv64,
  37
  38         .init = init_riscv,
  39         .predefine = predefine_riscv,
  40 };
  41
  42 const struct target target_riscv64 = {
  43         .mach = MACH_RISCV64,
  44         .bitness = ARCH_LP64,
  45         .big_endian = 0,
  46         .unsigned_char = 1,
  47         .has_int128 = 1,
  48
  49         .target_32bit = &target_riscv32,
  50
  51         .init = init_riscv,
  52         .predefine = predefine_riscv,
  53 };