lld/test/ELF/aarch64-feature-gcs.s

   1 # REQUIRES: aarch64
   2 # RUN: rm -rf %t && split-file %s %t && cd %t
   3 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu func1-gcs.s -o func1-gcs.o
   4 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu func2.s -o func2.o
   5 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu func2-gcs.s -o func2-gcs.o
   6 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu func3.s -o func3.o
   7 # RUN: llvm-mc -filetype=obj -triple=aarch64-linux-gnu func3-gcs.s -o func3-gcs.o
   8
   9 ## GCS should be enabled when it's enabled in all inputs or when it's forced on.
  10
  11 # RUN: ld.lld func1-gcs.o func2-gcs.o func3-gcs.o -o gcs
  12 # RUN: llvm-readelf -n gcs | FileCheck --check-prefix GCS %s
  13 # RUN: ld.lld func1-gcs.o func3-gcs.o --shared -o gcs.so
  14 # RUN: llvm-readelf -n gcs.so | FileCheck --check-prefix GCS %s
  15 # RUN: ld.lld func1-gcs.o func2.o func3-gcs.o -o force-gcs -z gcs=always
  16 # RUN: llvm-readelf -n force-gcs | FileCheck --check-prefix GCS %s
  17 # RUN: ld.lld func2-gcs.o func3.o --shared -o force-gcs.so -z gcs=always
  18 # RUN: llvm-readelf -n force-gcs.so | FileCheck --check-prefix GCS %s
  19 # RUN: ld.lld func2-gcs.o func3.o --shared -o force-gcs2.so -z gcs=never -z gcs=always
  20 # RUN: llvm-readelf -n force-gcs2.so | FileCheck --check-prefix GCS %s
  21
  22 # GCS: Properties:    aarch64 feature: GCS
  23
  24 ## GCS should not be enabled if it's not enabled in at least one input.
  25
  26 # RUN: ld.lld func1-gcs.o func2.o func3-gcs.o -o no-gcs
  27 # RUN: llvm-readelf -n no-gcs | count 0
  28 # RUN: ld.lld func2-gcs.o func3.o --shared -o no-gcs.so
  29
  30 ## GCS should be disabled with gcs=never, even if GCS is present in all inputs.
  31
  32 # RUN: ld.lld func1-gcs.o func2-gcs.o func3-gcs.o -z gcs=never -o never-gcs
  33 # RUN: llvm-readelf -n never-gcs | count 0
  34 # RUN: ld.lld func1-gcs.o func2-gcs.o func3-gcs.o -z gcs=always -z gcs=never -o never-gcs2
  35 # RUN: llvm-readelf -n never-gcs2 | count 0
  36
  37 ## gcs-report should report any input files that don't have the gcs property.
  38
  39 # RUN: ld.lld func1-gcs.o func2.o func3-gcs.o -o /dev/null -z gcs-report=warning 2>&1 | FileCheck --check-prefix=REPORT-WARN %s
  40 # RUN: ld.lld func1-gcs.o func2.o func3-gcs.o -o /dev/null -z gcs-report=warning -z gcs=always 2>&1 | FileCheck --check-prefix=REPORT-WARN %s
  41 # RUN: ld.lld func1-gcs.o func2.o func3-gcs.o -o /dev/null -z gcs-report=warning -z gcs=never 2>&1 | FileCheck --check-prefix=REPORT-WARN %s
  42 # RUN: not ld.lld func2-gcs.o func3.o --shared -o /dev/null -z gcs-report=error 2>&1 | FileCheck --check-prefix=REPORT-ERROR %s
  43 # RUN: not ld.lld func2-gcs.o func3.o --shared -o /dev/null -z gcs-report=error -z gcs=always 2>&1 | FileCheck --check-prefix=REPORT-ERROR %s
  44 # RUN: not ld.lld func2-gcs.o func3.o --shared -o /dev/null -z gcs-report=error -z gcs=never 2>&1 | FileCheck --check-prefix=REPORT-ERROR %s
  45 # RUN: ld.lld func1-gcs.o func2-gcs.o func3-gcs.o -o /dev/null -z gcs-report=warning 2>&1 | count 0
  46 # RUN: ld.lld func1-gcs.o func2-gcs.o func3-gcs.o -o /dev/null -z gcs-report=warning -z gcs=always 2>&1 | count 0
  47 # RUN: ld.lld func1-gcs.o func2-gcs.o func3-gcs.o -o /dev/null -z gcs-report=warning -z gcs=never 2>&1 | count 0
  48
  49 # REPORT-WARN: warning: func2.o: -z gcs-report: file does not have GNU_PROPERTY_AARCH64_FEATURE_1_GCS property
  50 # REPORT-ERROR: error: func3.o: -z gcs-report: file does not have GNU_PROPERTY_AARCH64_FEATURE_1_GCS property
  51
  52 ## An invalid gcs option should give an error
  53 # RUN: not ld.lld func1-gcs.o func2-gcs.o func3-gcs.o -z gcs=nonsense 2>&1 | FileCheck --check-prefix=INVALID %s
  54
  55 # INVALID: error: unknown -z gcs= value: nonsense
  56
  57 #--- func1-gcs.s
  58 .section ".note.gnu.property", "a"
  59 .long 4
  60 .long 0x10
  61 .long 0x5
  62 .asciz "GNU"
  63
  64 .long 0xc0000000 // GNU_PROPERTY_AARCH64_FEATURE_1_AND
  65 .long 4
  66 .long 4          // GNU_PROPERTY_AARCH64_FEATURE_1_GCS
  67 .long 0
  68
  69 .text
  70 .globl _start
  71 .type func1,%function
  72 func1:
  73   bl func2
  74   ret
  75
  76 #--- func2.s
  77
  78 .text
  79 .globl func2
  80 .type func2,@function
  81 func2:
  82   .globl func3
  83   .type func3, @function
  84   bl func3
  85   ret
  86
  87 #--- func2-gcs.s
  88
  89 .section ".note.gnu.property", "a"
  90 .long 4
  91 .long 0x10
  92 .long 0x5
  93 .asciz "GNU"
  94
  95 .long 0xc0000000 // GNU_PROPERTY_AARCH64_FEATURE_1_AND
  96 .long 4
  97 .long 4          // GNU_PROPERTY_AARCH64_FEATURE_1_GCS
  98 .long 0
  99
 100 .text
 101 .globl func2
 102 .type func2,@function
 103 func2:
 104   .globl func3
 105   .type func3, @function
 106   bl func3
 107   ret
 108
 109 #--- func3.s
 110
 111 .text
 112 .globl func3
 113 .type func3,@function
 114 func3:
 115   ret
 116
 117 #--- func3-gcs.s
 118
 119 .section ".note.gnu.property", "a"
 120 .long 4
 121 .long 0x10
 122 .long 0x5
 123 .asciz "GNU"
 124
 125 .long 0xc0000000 // GNU_PROPERTY_AARCH64_FEATURE_1_AND
 126 .long 4
 127 .long 4          // GNU_PROPERTY_AARCH64_FEATURE_1_GCS
 128 .long 0
 129
 130 .text
 131 .globl func3
 132 .type func3,@function
 133 func3:
 134   ret