test/MC/Mips/expansion-jal-sym-pic.s

   1 # RUN: llvm-mc %s -triple mips-unknown-linux-gnu -show-encoding |\
   2 # RUN:   FileCheck %s -check-prefixes=ALL,MIPS,O32
   3
   4 # RUN: llvm-mc %s -triple mips64-unknown-linux-gnuabin32 -show-encoding |\
   5 # RUN:   FileCheck %s -check-prefixes=ALL,MIPS,N32
   6
   7 # RUN: llvm-mc %s -triple mips64-unknown-linux-gnu -show-encoding |\
   8 # RUN:   FileCheck %s -check-prefixes=ALL,MIPS,N64
   9
  10 # RUN: llvm-mc %s -triple mips-unknown-linux-gnu -mattr=micromips -show-encoding |\
  11 # RUN:   FileCheck %s -check-prefixes=ALL,MM,O32-MM
  12
  13 # Repeat the tests but using ELF output. An initial version of this patch did
  14 # this as the output different depending on whether it went through
  15 # MCAsmStreamer or MCELFStreamer. This ensures that the assembly expansion and
  16 # direct objection emission match.
  17
  18 # RUN: llvm-mc %s -triple mips-unknown-linux-gnu -filetype=obj | \
  19 # RUN:   llvm-objdump -d -r - | FileCheck %s -check-prefixes=ELF-O32
  20 # RUN: llvm-mc %s -triple mips64-unknown-linux-gnuabin32 -filetype=obj | \
  21 # RUN:   llvm-objdump -d -r - | FileCheck %s -check-prefixes=ELF-N32
  22 # RUN: llvm-mc %s -triple mips64-unknown-linux-gnu -filetype=obj | \
  23 # RUN:   llvm-objdump -d -r - | FileCheck %s -check-prefixes=ELF-N64
  24
  25   .weak weak_label
  26
  27   .text
  28   .option pic2
  29
  30   .ent local_label
  31 local_label:
  32   .frame  $sp, 0, $ra
  33   .set noreorder
  34
  35   jal local_label
  36   nop
  37
  38 # Expanding "jal local_label":
  39 # O32: lw     $25, %got(local_label)($gp)   # encoding: [0x8f,0x99,A,A]
  40 # O32:                                      #   fixup A - offset: 0, value: %got(local_label), kind:   fixup_Mips_GOT
  41 # O32: addiu  $25, $25, %lo(local_label)    # encoding: [0x27,0x39,A,A]
  42 # O32:                                      #   fixup A - offset: 0, value: %lo(local_label), kind:   fixup_Mips_LO16
  43 # O32-NEXT: .reloc ($tmp0), R_MIPS_JALR, local_label
  44
  45 # ELF-O32:      8f 99 00 00 lw $25, 0($gp)
  46 # ELF-O32-NEXT:                 R_MIPS_GOT16 .text
  47 # ELF-O32-NEXT: 27 39 00 00 addiu $25, $25, 0
  48 # ELF-O32-NEXT:                 R_MIPS_LO16 .text
  49 # ELF-O32-NEXT: 03 20 f8 09 jalr $25
  50 # ELF-O32-NEXT:                 R_MIPS_JALR local_label
  51
  52 # N32: lw  $25, %got_disp(local_label)($gp) # encoding: [0x8f,0x99,A,A]
  53 # N32:                                      #   fixup A - offset: 0, value: %got_disp(local_label), kind:   fixup_Mips_GOT_DISP
  54 # N32-NEXT: .reloc .Ltmp0, R_MIPS_JALR, local_label
  55
  56 # ELF-N32:      8f 99 00 00 lw $25, 0($gp)
  57 # ELF-N32-NEXT:                 R_MIPS_GOT_DISP local_label
  58 # ELF-N32-NEXT: 03 20 f8 09 jalr $25
  59 # ELF-N32-NEXT:                 R_MIPS_JALR local_label
  60
  61 # N64: ld  $25, %got_disp(local_label)($gp) # encoding: [0xdf,0x99,A,A]
  62 # N64:                                      #   fixup A - offset: 0, value: %got_disp(local_label), kind:   fixup_Mips_GOT_DISP
  63 # N64-NEXT: .reloc .Ltmp0, R_MIPS_JALR, local_label
  64
  65 # ELF-N64:      df 99 00 00 ld $25, 0($gp)
  66 # ELF-N64-NEXT:                 R_MIPS_GOT_DISP/R_MIPS_NONE/R_MIPS_NONE local_label
  67 # ELF-N64-NEXT: 03 20 f8 09 jalr $25
  68 # ELF-N64-NEXT: R_MIPS_JALR/R_MIPS_NONE/R_MIPS_NONE local_label
  69
  70 # O32-MM: lw    $25, %got(local_label)($gp)      # encoding: [0xff,0x3c,A,A]
  71 # O32-MM:                                        #   fixup A - offset: 0, value: %got(local_label), kind:   fixup_MICROMIPS_GOT16
  72 # O32-MM: addiu $25, $25, %lo(local_label)       # encoding: [0x33,0x39,A,A]
  73 # O32-MM:                                        #   fixup A - offset: 0, value: %lo(local_label), kind:   fixup_MICROMIPS_LO16
  74 # O32-MM-NEXT: .reloc ($tmp0), R_MICROMIPS_JALR, local_label
  75
  76 # MIPS: jalr $25      # encoding: [0x03,0x20,0xf8,0x09]
  77 # MM:   jalr $ra, $25 # encoding: [0x03,0xf9,0x0f,0x3c]
  78 # ALL:  nop           # encoding: [0x00,0x00,0x00,0x00]
  79
  80   jal weak_label
  81   nop
  82
  83 # Expanding "jal weak_label":
  84 # O32: lw  $25, %call16(weak_label)($gp) # encoding: [0x8f,0x99,A,A]
  85 # O32:                                   #   fixup A - offset: 0, value: %call16(weak_label), kind:   fixup_Mips_CALL16
  86 # O32-NEXT: .reloc ($tmp1), R_MIPS_JALR, weak_label
  87
  88 # ELF-O32:      8f 99 00 00 lw $25, 0($gp)
  89 # ELF-O32-NEXT:                 R_MIPS_CALL16 weak_label
  90 # ELF-O32-NEXT: 03 20 f8 09 jalr $25
  91 # ELF-O32-NEXT:                 R_MIPS_JALR weak_label
  92
  93 # N32: lw  $25, %call16(weak_label)($gp) # encoding: [0x8f,0x99,A,A]
  94 # N32:                                   #   fixup A - offset: 0, value: %call16(weak_label), kind:   fixup_Mips_CALL16
  95 # N32-NEXT: .reloc .Ltmp1, R_MIPS_JALR, weak_label
  96
  97 # ELF-N32:      8f 99 00 00 lw $25, 0($gp)
  98 # ELF-N32-NEXT:                 R_MIPS_CALL16 weak_label
  99 # ELF-N32-NEXT: 03 20 f8 09 jalr $25
 100 # ELF-N32-NEXT:                 R_MIPS_JALR weak_label
 101
 102 # N64: ld  $25, %call16(weak_label)($gp) # encoding: [0xdf,0x99,A,A]
 103 # N64:                                   #   fixup A - offset: 0, value: %call16(weak_label), kind:   fixup_Mips_CALL16
 104 # N64-NEXT: .reloc .Ltmp1, R_MIPS_JALR, weak_label
 105
 106 # ELF-N64:      df 99 00 00 ld $25, 0($gp)
 107 # ELF-N64-NEXT:                 R_MIPS_CALL16/R_MIPS_NONE/R_MIPS_NONE weak_label
 108 # ELF-N64-NEXT: 03 20 f8 09 jalr $25
 109 # ELF-N64-NEXT:                 R_MIPS_JALR/R_MIPS_NONE/R_MIPS_NONE weak_label
 110
 111 # O32-MM: lw  $25, %call16(weak_label)($gp) # encoding: [0xff,0x3c,A,A]
 112 # O32-MM:                                   #   fixup A - offset: 0, value: %call16(weak_label), kind:   fixup_MICROMIPS_CALL16
 113 # O32-MM-NEXT: .reloc ($tmp1), R_MICROMIPS_JALR, weak_label
 114
 115 # MIPS: jalr $25      # encoding: [0x03,0x20,0xf8,0x09]
 116 # MM:   jalr $ra, $25 # encoding: [0x03,0xf9,0x0f,0x3c]
 117 # ALL:  nop           # encoding: [0x00,0x00,0x00,0x00]
 118
 119   jal global_label
 120   nop
 121
 122 # Expanding "jal global_label":
 123 # O32: lw  $25, %call16(global_label)($gp) # encoding: [0x8f,0x99,A,A]
 124 # O32:                                     #   fixup A - offset: 0, value: %call16(global_label), kind:   fixup_Mips_CALL16
 125 # O32-NEXT: .reloc ($tmp2), R_MIPS_JALR, global_label
 126
 127 # ELF-O32:      8f 99 00 00 lw $25, 0($gp)
 128 # ELF-O32-NEXT:                 R_MIPS_CALL16 global_label
 129 # ELF-O32-NEXT: 03 20 f8 09 jalr $25
 130 # ELF-O32-NEXT:                 R_MIPS_JALR global_label
 131
 132 # N32: lw  $25, %call16(global_label)($gp) # encoding: [0x8f,0x99,A,A]
 133 # N32:                                     #   fixup A - offset: 0, value: %call16(global_label), kind:   fixup_Mips_CALL16
 134 # N32-NEXT: .reloc .Ltmp2, R_MIPS_JALR, global_label
 135
 136 # ELF-N32:      8f 99 00 00 lw $25, 0($gp)
 137 # ELF-N32-NEXT:                 R_MIPS_CALL16 global_label
 138 # ELF-N32-NEXT: 03 20 f8 09 jalr $25
 139 # ELF-N32-NEXT:                 R_MIPS_JALR global_label
 140
 141 # N64: ld  $25, %call16(global_label)($gp) # encoding: [0xdf,0x99,A,A]
 142 # N64:                                     #   fixup A - offset: 0, value: %call16(global_label), kind:   fixup_Mips_CALL16
 143 # N64-NEXT: .reloc .Ltmp2, R_MIPS_JALR, global_label
 144
 145 # ELF-N64:      df 99 00 00 ld $25, 0($gp)
 146 # ELF-N64-NEXT:                 R_MIPS_CALL16/R_MIPS_NONE/R_MIPS_NONE global_label
 147 # ELF-N64-NEXT: 03 20 f8 09 jalr $25
 148 # ELF-N64-NEXT:                 R_MIPS_JALR/R_MIPS_NONE/R_MIPS_NONE global_label
 149
 150 # O32-MM: lw  $25, %call16(global_label)($gp) # encoding: [0xff,0x3c,A,A]
 151 # O32-MM:                                     #   fixup A - offset: 0, value: %call16(global_label), kind: fixup_MICROMIPS_CALL16
 152 # O32-MM-NEXT: .reloc ($tmp2), R_MICROMIPS_JALR, global_label
 153
 154 # MIPS: jalr $25      # encoding: [0x03,0x20,0xf8,0x09]
 155 # MM:   jalr $ra, $25 # encoding: [0x03,0xf9,0x0f,0x3c]
 156 # ALL:  nop           # encoding: [0x00,0x00,0x00,0x00]
 157
 158   jal .text
 159   nop
 160
 161 # Expanding "jal .text":
 162 # O32: lw       $25, %got(.text)($gp)   # encoding: [0x8f,0x99,A,A]
 163 # O32-NEXT:                                       #   fixup A - offset: 0, value: %got(.text), kind: fixup_Mips_GOT
 164
 165 # ELF-O32:      8f 99 00 00 lw $25, 0($gp)
 166 # ELF-O32-NEXT:                 R_MIPS_GOT16 .text
 167
 168 # N32: lw       $25, %got_disp(.text)($gp) # encoding: [0x8f,0x99,A,A]
 169 # N32-NEXT:                                       #   fixup A - offset: 0, value: %got_disp(.text), kind: fixup_Mips_GOT_DISP
 170
 171 # ELF-N32:      8f 99 00 00 lw $25, 0($gp)
 172 # ELF-N32-NEXT:                 R_MIPS_GOT_DISP .text
 173
 174 # N64: ld       $25, %got_disp(.text)($gp) # encoding: [0xdf,0x99,A,A]
 175 # N64-NEXT:                                       #   fixup A - offset: 0, value: %got_disp(.text), kind: fixup_Mips_GOT_DISP
 176
 177 # ELF-N64:      df 99 00 00 ld $25, 0($gp)
 178 # ELF-N64-NEXT:                 R_MIPS_GOT_DISP/R_MIPS_NONE/R_MIPS_NONE .text
 179
 180 # O32-MM: lw    $25, %got(.text)($gp)      # encoding: [0xff,0x3c,A,A]
 181 # O32-MM-NEXT:                                  #   fixup A - offset: 0, value: %got(.text), kind: fixup_MICROMIPS_GOT16
 182 # O32-MM-NEXT: addiu $25, $25, %lo(.text)       # encoding: [0x33,0x39,A,A]
 183 # O32-MM-NEXT:                                  #   fixup A - offset: 0, value: %lo(.text), kind: fixup_MICROMIPS_LO16
 184 # O32-MM-NEXT: .reloc ($tmp3), R_MICROMIPS_JALR, .text
 185
 186 # MIPS: jalr $25      # encoding: [0x03,0x20,0xf8,0x09]
 187 # MM:   jalr $ra, $25 # encoding: [0x03,0xf9,0x0f,0x3c]
 188 # ALL:  nop           # encoding: [0x00,0x00,0x00,0x00]
 189
 190   # local labels ($tmp symbols)
 191   jal 1f
 192   nop
 193
 194 # Expanding "jal 1f":
 195 # O32: lw     $25, %got($tmp4)($gp)   # encoding: [0x8f,0x99,A,A]
 196 # O32:                                #   fixup A - offset: 0, value: %got($tmp4), kind:   fixup_Mips_GOT
 197 # O32: addiu  $25, $25, %lo($tmp4)    # encoding: [0x27,0x39,A,A]
 198 # O32:                                #   fixup A - offset: 0, value: %lo($tmp4), kind:   fixup_Mips_LO16
 199 # O32-NEXT: .reloc ($tmp5), R_MIPS_JALR, ($tmp4)
 200
 201 # ELF-O32:      8f 99 00 00 lw $25, 0($gp)
 202 # ELF-O32-NEXT:                 R_MIPS_GOT16 .text
 203 # ELF-O32-NEXT: 27 39 00 58     addiu   $25, $25, 88
 204 # ELF-O32-NEXT:                 R_MIPS_LO16 .text
 205 # ELF-O32-NEXT: 03 20 f8 09 jalr $25
 206 # ELF-O32-NEXT:                 R_MIPS_JALR $tmp0
 207
 208 # N32: lw  $25, %got_disp(.Ltmp4)($gp) # encoding: [0x8f,0x99,A,A]
 209 # N32:                                #   fixup A - offset: 0, value: %got_disp(.Ltmp4), kind:   fixup_Mips_GOT_DISP
 210
 211 # ELF-N32:      8f 99 00 00 lw $25, 0($gp)
 212 # ELF-N32-NEXT:                 R_MIPS_GOT_DISP .Ltmp0
 213
 214 # N64: ld  $25, %got_disp(.Ltmp4)($gp) # encoding: [0xdf,0x99,A,A]
 215 # N64:                                 #   fixup A - offset: 0, value: %got_disp(.Ltmp4), kind:   fixup_Mips_GOT_DISP
 216
 217 # ELF-N64:      df 99 00 00 ld $25, 0($gp)
 218 # ELF-N64-NEXT:                 R_MIPS_GOT_DISP/R_MIPS_NONE/R_MIPS_NONE .Ltmp0
 219
 220 # O32-MM: lw    $25, %got($tmp4)($gp)    # encoding: [0xff,0x3c,A,A]
 221 # O32-MM:                                #   fixup A - offset: 0, value: %got($tmp4), kind: fixup_MICROMIPS_GOT16
 222 # O32-MM: addiu $25, $25, %lo($tmp4)     # encoding: [0x33,0x39,A,A]
 223 # O32-MM:                                #   fixup A - offset: 0, value: %lo($tmp4), kind: fixup_MICROMIPS_LO16
 224 # O32-MM-NEXT: .reloc ($tmp5), R_MICROMIPS_JALR, ($tmp4)
 225
 226 # MIPS: jalr $25      # encoding: [0x03,0x20,0xf8,0x09]
 227 # MM:   jalr $ra, $25 # encoding: [0x03,0xf9,0x0f,0x3c]
 228 # ALL:  nop           # encoding: [0x00,0x00,0x00,0x00]
 229
 230   .local forward_local
 231   jal forward_local
 232   nop
 233
 234 # Expanding "jal forward_local":
 235 # O32-FIXME: lw     $25, %got(forward_local)($gp)                    # encoding: [0x8f,0x99,A,A]
 236 # O32-FIXME:                                                         #   fixup A - offset: 0, value: %got(forward_local), kind:   fixup_Mips_GOT
 237 # O32-FIXME: addiu  $25, $25, %lo(forward_local)                     # encoding: [0x27,0x39,A,A]
 238 # O32-FIXME::                                                         #   fixup A - offset: 0, value: %lo(forward_local), kind:   fixup_Mips_LO16
 239 # O32-FIXME: .reloc ($tmp6), R_MIPS_JALR, forward_local
 240
 241 # ELF-O32:      8f 99 00 00 lw $25, 0($gp)
 242 # ELF-O32-NEXT:                 R_MIPS_GOT16 .text
 243 # ELF-O32-NEXT: 27 39 00 64     addiu   $25, $25, 100
 244 # ELF-O32-NEXT:                 R_MIPS_LO16 .text
 245 # ELF-O32-NEXT: 03 20 f8 09 jalr $25
 246 # ELF-O32-NEXT:                 R_MIPS_JALR forward_local
 247
 248 # N32-FIXME: lw  $25, %got_disp(forward_local)($gp)            # encoding: [0x8f,0x99,A,A]
 249 # N32-FIXME:                                                   #   fixup A - offset: 0, value: %got_disp(forward_local), kind:   fixup_Mips_GOT_DISP
 250
 251 # ELF-N32:      8f 99 00 00 lw $25, 0($gp)
 252 # ELF-N32-NEXT:                 R_MIPS_GOT_DISP forward_local
 253
 254 # N64-FIXME: ld  $25, %got_disp(forward_local)($gp)            # encoding: [0xdf,0x99,A,A]
 255 # N64-FIXME:                                                   #   fixup A - offset: 0, value: %got_disp(forward_local), kind:   fixup_Mips_GOT_DISP
 256
 257 # ELF-N64:      df 99 00 00 ld $25, 0($gp)
 258 # ELF-N64-NEXT:                 R_MIPS_GOT_DISP/R_MIPS_NONE/R_MIPS_NONE forward_local
 259
 260 # O32-MM-FIXME: lw    $25, %got(forward_local)($gp)            # encoding: [0xff,0x3c,A,A]
 261 # O32-MM-FIXME:                                                #   fixup A - offset: 0, value: %got(forward_local), kind:   fixup_MICROMIPS_GOT16
 262 # O32-MM-FIXME: addiu $25, $25, %lo(forward_local)             # encoding: [0x33,0x39,A,A]
 263 # O32-MM-FIXME:                                                #   fixup A - offset: 0, value: %lo(forward_local), kind:   fixup_MICROMIPS_LO16
 264 # O32-MM-FIXME: .reloc ($tmp6), R_MIPS_JALR, forward_local
 265
 266 # MIPS: jalr $25      # encoding: [0x03,0x20,0xf8,0x09]
 267 # MM:   jalr $ra, $25 # encoding: [0x03,0xf9,0x0f,0x3c]
 268 # ALL:  nop           # encoding: [0x00,0x00,0x00,0x00]
 269
 270   .end local_label
 271
 272 1:
 273   nop
 274   add $8, $8, $8
 275   nop
 276 forward_local: