ld/testsuite/ld-arm/group-relocs.s

   1 @ Tests for group relocations.
   2 @
   3 @ Beware when editing this file: it is carefully crafted so that
   4 @ specific PC- and SB-relative offsets arise.
   5 @
   6 @ Note that the gas tests have already checked that group relocations are
   7 @ handled in the same way for local and external symbols.
   8
   9 @ We will place .text at 0x8000.
  10
  11         .text
  12         .globl _start
  13
  14 _start:
  15         @ ALU, PC-relative
  16
  17         @ Instructions start at .text + 0x0
  18         add     r0, r15, #:pc_g0:(one_group_needed_alu_pc)
  19
  20         @ Instructions start at .text + 0x4
  21         add     r0, r15, #:pc_g0_nc:(two_groups_needed_alu_pc)
  22         add     r0, r0, #:pc_g1:(two_groups_needed_alu_pc + 4)
  23
  24         @ Instructions start at .text + 0xc
  25         add     r0, r15, #:pc_g0_nc:(three_groups_needed_alu_pc)
  26         add     r0, r0, #:pc_g1_nc:(three_groups_needed_alu_pc + 4)
  27         add     r0, r0, #:pc_g2:(three_groups_needed_alu_pc + 8)
  28
  29         @ ALU, SB-relative
  30
  31         add     r0, r0, #:sb_g0:(one_group_needed_alu_sb)
  32
  33         add     r0, r15, #:sb_g0_nc:(two_groups_needed_alu_sb)
  34         add     r0, r0, #:sb_g1:(two_groups_needed_alu_sb)
  35
  36         add     r0, r0, #:sb_g0_nc:(three_groups_needed_alu_sb)
  37         add     r0, r0, #:sb_g1_nc:(three_groups_needed_alu_sb)
  38         add     r0, r0, #:sb_g2:(three_groups_needed_alu_sb)
  39
  40         @ LDR, PC-relative
  41
  42         @ Instructions start at .text + 0x30
  43         add     r0, r0, #:pc_g0_nc:(two_groups_needed_ldr_pc)
  44         ldr     r1, [r0, #:pc_g1:(two_groups_needed_ldr_pc + 4)]
  45
  46         @ Instructions start at .text + 0x38
  47         add     r0, r0, #:pc_g0_nc:(three_groups_needed_ldr_pc)
  48         add     r0, r0, #:pc_g1_nc:(three_groups_needed_ldr_pc + 4)
  49         ldr     r1, [r0, #:pc_g2:(three_groups_needed_ldr_pc + 8)]
  50
  51         @ LDR, SB-relative
  52
  53         ldr     r1, [r0, #:sb_g0:(one_group_needed_ldr_sb)]
  54
  55         add     r0, r0, #:sb_g0_nc:(two_groups_needed_ldr_sb)
  56         ldr     r1, [r0, #:sb_g1:(two_groups_needed_ldr_sb)]
  57
  58         add     r0, r0, #:sb_g0_nc:(three_groups_needed_ldr_sb)
  59         add     r0, r0, #:sb_g1_nc:(three_groups_needed_ldr_sb)
  60         ldr     r1, [r0, #:sb_g2:(three_groups_needed_ldr_sb)]
  61
  62         @ LDRS, PC-relative
  63
  64         @ Instructions start at .text + 0x5c
  65         ldrd    r2, [r0, #:pc_g0:(one_group_needed_ldrs_pc)]
  66
  67         @ Instructions start at .text + 0x60
  68         add     r0, r0, #:pc_g0_nc:(two_groups_needed_ldrs_pc)
  69         ldrd    r2, [r0, #:pc_g1:(two_groups_needed_ldrs_pc + 4)]
  70
  71         @ Instructions start at .text + 0x68
  72         add     r0, r0, #:pc_g0_nc:(three_groups_needed_ldrs_pc)
  73         add     r0, r0, #:pc_g1_nc:(three_groups_needed_ldrs_pc + 4)
  74         ldrd    r2, [r0, #:pc_g2:(three_groups_needed_ldrs_pc + 8)]
  75
  76         @ LDRS, SB-relative
  77
  78         ldrd    r2, [r0, #:sb_g0:(one_group_needed_ldrs_sb)]
  79
  80         add     r0, r0, #:sb_g0_nc:(two_groups_needed_ldrs_sb)
  81         ldrd    r2, [r0, #:sb_g1:(two_groups_needed_ldrs_sb)]
  82
  83         add     r0, r0, #:sb_g0_nc:(three_groups_needed_ldrs_sb)
  84         add     r0, r0, #:sb_g1_nc:(three_groups_needed_ldrs_sb)
  85         ldrd    r2, [r0, #:sb_g2:(three_groups_needed_ldrs_sb)]
  86
  87         @ LDC, PC-relative
  88
  89         @ Instructions start at .text + 0x8c
  90         ldc     0, c0, [r0, #:pc_g0:(one_group_needed_ldc_pc)]
  91
  92         @ Instructions start at .text + 0x90
  93         add     r0, r0, #:pc_g0_nc:(two_groups_needed_ldc_pc)
  94         ldc     0, c0, [r0, #:pc_g1:(two_groups_needed_ldc_pc + 4)]
  95
  96         @ Instructions start at .text + 0x98
  97         add     r0, r0, #:pc_g0_nc:(three_groups_needed_ldc_pc)
  98         add     r0, r0, #:pc_g1_nc:(three_groups_needed_ldc_pc + 4)
  99         ldc     0, c0, [r0, #:pc_g2:(three_groups_needed_ldc_pc + 8)]
 100
 101         @ LDC, SB-relative
 102
 103         ldc     0, c0, [r0, #:sb_g0:(one_group_needed_ldc_sb)]
 104
 105         add     r0, r0, #:sb_g0_nc:(two_groups_needed_ldc_sb)
 106         ldc     0, c0, [r0, #:sb_g1:(two_groups_needed_ldc_sb)]
 107
 108         add     r0, r0, #:sb_g0_nc:(three_groups_needed_ldc_sb)
 109         add     r0, r0, #:sb_g1_nc:(three_groups_needed_ldc_sb)
 110         ldc     0, c0, [r0, #:sb_g2:(three_groups_needed_ldc_sb)]
 111
 112 @ This point in the file is .text + 0xbc.
 113
 114 one_group_needed_alu_pc:
 115 one_group_needed_ldrs_pc:
 116 one_group_needed_ldc_pc:
 117         mov     r0, #0
 118
 119 @ We will place the section zero at 0x0.
 120
 121         .section zero, "x"
 122
 123 one_group_needed_alu_sb:
 124 one_group_needed_ldr_sb:
 125 one_group_needed_ldrs_sb:
 126 one_group_needed_ldc_sb:
 127         mov     r0, #0
 128
 129 @ We will place the section alpha at 0xeef0.
 130
 131         .section alpha, "x"
 132
 133 two_groups_needed_alu_sb:
 134 two_groups_needed_ldr_sb:
 135 two_groups_needed_ldrs_sb:
 136 two_groups_needed_ldc_sb:
 137 two_groups_needed_alu_pc:
 138 two_groups_needed_ldr_pc:
 139 two_groups_needed_ldrs_pc:
 140 two_groups_needed_ldc_pc:
 141         mov     r0, #0
 142
 143 @ We will place the section beta at 0xffeef0.
 144
 145         .section beta, "x"
 146
 147 three_groups_needed_alu_sb:
 148 three_groups_needed_ldr_sb:
 149 three_groups_needed_ldrs_sb:
 150 three_groups_needed_ldc_sb:
 151 three_groups_needed_alu_pc:
 152 three_groups_needed_ldr_pc:
 153 three_groups_needed_ldrs_pc:
 154 three_groups_needed_ldc_pc:
 155         mov     r0, #0
 156