arm64/targ.c

   1 #include "all.h"
   2
   3 int arm64_rsave[] = {
   4         R0,  R1,  R2,  R3,  R4,  R5,  R6,  R7,
   5         R8,  R9,  R10, R11, R12, R13, R14, R15,
   6         IP0, IP1, R18, LR,
   7         V0,  V1,  V2,  V3,  V4,  V5,  V6,  V7,
   8         V16, V17, V18, V19, V20, V21, V22, V23,
   9         V24, V25, V26, V27, V28, V29, V30,
  10         -1
  11 };
  12 int arm64_rclob[] = {
  13         R19, R20, R21, R22, R23, R24, R25, R26,
  14         R27, R28,
  15         V8,  V9,  V10, V11, V12, V13, V14, V15,
  16         -1
  17 };
  18
  19 #define RGLOB (BIT(FP) | BIT(SP) | BIT(R18))
  20
  21 static int
  22 arm64_memargs(int op)
  23 {
  24         (void)op;
  25         return 0;
  26 }
  27
  28 #define ARM64_COMMON \
  29         .gpr0 = R0, \
  30         .ngpr = NGPR, \
  31         .fpr0 = V0, \
  32         .nfpr = NFPR, \
  33         .rglob = RGLOB, \
  34         .nrglob = 3, \
  35         .rsave = arm64_rsave, \
  36         .nrsave = {NGPS, NFPS}, \
  37         .retregs = arm64_retregs, \
  38         .argregs = arm64_argregs, \
  39         .memargs = arm64_memargs, \
  40         .isel = arm64_isel, \
  41         .abi1 = arm64_abi, \
  42         .emitfn = arm64_emitfn, \
  43
  44 Target T_arm64 = {
  45         .name = "arm64",
  46         .abi0 = elimsb,
  47         .emitfin = elf_emitfin,
  48         .asloc = ".L",
  49         ARM64_COMMON
  50 };
  51
  52 Target T_arm64_apple = {
  53         .name = "arm64_apple",
  54         .apple = 1,
  55         .abi0 = apple_extsb,
  56         .emitfin = macho_emitfin,
  57         .asloc = "L",
  58         .assym = "_",
  59         ARM64_COMMON
  60 };
  61
  62 MAKESURE(globals_are_not_arguments,
  63         (RGLOB & (BIT(R8+1) - 1)) == 0
  64 );
  65 MAKESURE(arrays_size_ok,
  66         sizeof arm64_rsave == (NGPS+NFPS+1) * sizeof(int) &&
  67         sizeof arm64_rclob == (NCLR+1) * sizeof(int)
  68 );