lld/test/wasm/global-base.test

   1 RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/start.s -o %t.o
   2
   3 # Check for error on `--global-base` with `-shared` and `-pie`
   4 RUN: not wasm-ld --global-base=2048 --experimental-pic -shared -o %t.wasm %t.o 2>&1 | FileCheck %s -check-prefix=SHARED-ERROR
   5 RUN: not wasm-ld --global-base=2048 --experimental-pic -pie -o %t.wasm %t.o 2>&1 | FileCheck %s -check-prefix=SHARED-ERROR
   6 SHARED-ERROR: error: --global-base may not be used with -shared/-pie
   7
   8 # Check for error on `--global-base` which is lower than that end of the stack
   9 # when `--stack-first` is used.
  10 RUN: not wasm-ld --global-base=2048 --stack-first -o %t.wasm %t.o 2>&1 | FileCheck %s -check-prefix=STACK-ERROR
  11 STACK-ERROR: error: --global-base cannot be less than stack size when --stack-first is used
  12
  13 RUN: wasm-ld --export=__global_base --export=__data_end --allow-undefined -o %t.wasm %t.o
  14 RUN: obj2yaml %t.wasm | FileCheck %s  -check-prefix=CHECK-1024
  15 CHECK-1024:       - Type:            GLOBAL
  16 CHECK-1024-NEXT:    Globals:
  17 CHECK-1024-NEXT:      - Index:           0
  18 CHECK-1024-NEXT:        Type:            I32
  19 CHECK-1024-NEXT:        Mutable:         true
  20 CHECK-1024-NEXT:        InitExpr:
  21 CHECK-1024-NEXT:          Opcode:          I32_CONST
  22 CHECK-1024-NEXT:          Value:           66560
  23 CHECK-1024-NEXT:      - Index:           1
  24 CHECK-1024-NEXT:        Type:            I32
  25 CHECK-1024-NEXT:        Mutable:         false
  26 CHECK-1024-NEXT:        InitExpr:
  27 CHECK-1024-NEXT:          Opcode:          I32_CONST
  28 CHECK-1024-NEXT:          Value:           1024
  29 CHECK-1024-NEXT:      - Index:           2
  30 CHECK-1024-NEXT:        Type:            I32
  31 CHECK-1024-NEXT:        Mutable:         false
  32 CHECK-1024-NEXT:        InitExpr:
  33 CHECK-1024-NEXT:          Opcode:          I32_CONST
  34 CHECK-1024-NEXT:          Value:           1024
  35
  36 CHECK-1024:       - Type:            EXPORT
  37 CHECK-1024:           - Name:            __data_end
  38 CHECK-1024-NEXT:        Kind:            GLOBAL
  39 CHECK-1024-NEXT:        Index:           1
  40 CHECK-1024-NEXT:      - Name:            __global_base
  41 CHECK-1024-NEXT:        Kind:            GLOBAL
  42 CHECK-1024-NEXT:        Index:           2
  43
  44 RUN: wasm-ld --export=__global_base --export=__data_end --allow-undefined --global-base=16777216 -o %t.wasm %t.o
  45 RUN: obj2yaml %t.wasm | FileCheck %s  -check-prefix=CHECK-16777216
  46 CHECK-16777216:       - Type:            GLOBAL
  47 CHECK-16777216-NEXT:    Globals:
  48 CHECK-16777216-NEXT:      - Index:           0
  49 CHECK-16777216-NEXT:        Type:            I32
  50 CHECK-16777216-NEXT:        Mutable:         true
  51 CHECK-16777216-NEXT:        InitExpr:
  52 CHECK-16777216-NEXT:          Opcode:          I32_CONST
  53 CHECK-16777216-NEXT:          Value:           16842752
  54 CHECK-16777216-NEXT:      - Index:           1
  55 CHECK-16777216-NEXT:        Type:            I32
  56 CHECK-16777216-NEXT:        Mutable:         false
  57 CHECK-16777216-NEXT:        InitExpr:
  58 CHECK-16777216-NEXT:          Opcode:          I32_CONST
  59 CHECK-16777216-NEXT:          Value:           16777216
  60 CHECK-16777216-NEXT:      - Index:           2
  61 CHECK-16777216-NEXT:        Type:            I32
  62 CHECK-16777216-NEXT:        Mutable:         false
  63 CHECK-16777216-NEXT:        InitExpr:
  64 CHECK-16777216-NEXT:          Opcode:          I32_CONST
  65 CHECK-16777216-NEXT:          Value:           16777216
  66
  67 CHECK-16777216:       - Type:            EXPORT
  68 CHECK-16777216:           - Name:            __data_end
  69 CHECK-16777216-NEXT:        Kind:            GLOBAL
  70 CHECK-16777216-NEXT:        Index:           1
  71 CHECK-16777216-NEXT:      - Name:            __global_base
  72 CHECK-16777216-NEXT:        Kind:            GLOBAL
  73 CHECK-16777216-NEXT:        Index:           2