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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2010-11-14 04:17:37 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2010-11-14 04:17:37 +0000 |
| commit | 1f4f9e3d35a2264d86f97dfb6d1e4ccb434f449b (patch) | |
| tree | 071695192ff1caf0cdfbb9d3d96a3475afa155a4 /test | |
| parent | 9f6e03fa1e05f7c59379e68d7626400ca508cfb0 (diff) | |
| download | llvm-1f4f9e3d35a2264d86f97dfb6d1e4ccb434f449b.tar.gz llvm-1f4f9e3d35a2264d86f97dfb6d1e4ccb434f449b.tar.bz2 llvm-1f4f9e3d35a2264d86f97dfb6d1e4ccb434f449b.tar.xz | |
Handle a peculiar comdat case: Creating a section with an undefined
signature symbol causes a local symbol to be created unless there is
some other use of the symbol.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119026 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/MC/ELF/comdat.s | 59 |
1 files changed, 53 insertions, 6 deletions
diff --git a/test/MC/ELF/comdat.s b/test/MC/ELF/comdat.s index ba4c9c7abb..745dfbbdc8 100644 --- a/test/MC/ELF/comdat.s +++ b/test/MC/ELF/comdat.s @@ -1,31 +1,76 @@ // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | elf-dump | FileCheck %s -// Test that we produce the two group sections and that they are a the beginning +// Test that we produce the group sections and that they are a the beginning // of the file. // CHECK: # Section 0x00000001 -// CHECK-NEXT: (('sh_name', 0x00000021) # '.group' +// CHECK-NEXT: (('sh_name', 0x00000026) # '.group' // CHECK-NEXT: ('sh_type', 0x00000011) // CHECK-NEXT: ('sh_flags', 0x00000000) // CHECK-NEXT: ('sh_addr', 0x00000000) // CHECK-NEXT: ('sh_offset', 0x00000040) // CHECK-NEXT: ('sh_size', 0x0000000c) -// CHECK-NEXT: ('sh_link', 0x0000000a) +// CHECK-NEXT: ('sh_link', 0x0000000c) // CHECK-NEXT: ('sh_info', 0x00000001) // CHECK-NEXT: ('sh_addralign', 0x00000004) // CHECK-NEXT: ('sh_entsize', 0x00000004) // CHECK-NEXT: ), // CHECK-NEXT: # Section 0x00000002 -// CHECK-NEXT: (('sh_name', 0x00000021) # '.group' +// CHECK-NEXT: (('sh_name', 0x00000026) # '.group' // CHECK-NEXT: ('sh_type', 0x00000011) // CHECK-NEXT: ('sh_flags', 0x00000000) // CHECK-NEXT: ('sh_addr', 0x00000000) // CHECK-NEXT: ('sh_offset', 0x0000004c) // CHECK-NEXT: ('sh_size', 0x00000008) -// CHECK-NEXT: ('sh_link', 0x0000000a) +// CHECK-NEXT: ('sh_link', 0x0000000c) // CHECK-NEXT: ('sh_info', 0x00000002) // CHECK-NEXT: ('sh_addralign', 0x00000004) // CHECK-NEXT: ('sh_entsize', 0x00000004) +// CHECK-NEXT: ), +// CHECK-NEXT: # Section 0x00000003 +// CHECK-NEXT: (('sh_name', 0x00000026) # '.group' +// CHECK-NEXT: ('sh_type', 0x00000011) +// CHECK-NEXT: ('sh_flags', 0x00000000) +// CHECK-NEXT: ('sh_addr', 0x00000000) +// CHECK-NEXT: ('sh_offset', 0x00000054) +// CHECK-NEXT: ('sh_size', 0x00000008) +// CHECK-NEXT: ('sh_link', 0x0000000c) +// CHECK-NEXT: ('sh_info', 0x0000000d) +// CHECK-NEXT: ('sh_addralign', 0x00000004) +// CHECK-NEXT: ('sh_entsize', 0x00000004) +// CHECK-NEXT: ), + +// Test that g1 and g2 are local, but g3 is an undefined global. + +// CHECK: # Symbol 0x00000001 +// CHECK-NEXT: (('st_name', 0x00000001) # 'g1' +// CHECK-NEXT: ('st_bind', 0x00000000) +// CHECK-NEXT: ('st_type', 0x00000000) +// CHECK-NEXT: ('st_other', 0x00000000) +// CHECK-NEXT: ('st_shndx', 0x00000007) +// CHECK-NEXT: ('st_value', 0x00000000) +// CHECK-NEXT: ('st_size', 0x00000000) +// CHECK-NEXT: ), +// CHECK-NEXT: # Symbol 0x00000002 +// CHECK-NEXT: (('st_name', 0x00000004) # 'g2' +// CHECK-NEXT: ('st_bind', 0x00000000) +// CHECK-NEXT: ('st_type', 0x00000000) +// CHECK-NEXT: ('st_other', 0x00000000) +// CHECK-NEXT: ('st_shndx', 0x00000002) +// CHECK-NEXT: ('st_value', 0x00000000) +// CHECK-NEXT: ('st_size', 0x00000000) +// CHECK-NEXT: ), + +// CHECK: # Symbol 0x0000000d +// CHECK-NEXT: (('st_name', 0x00000007) # 'g3' +// CHECK-NEXT: ('st_bind', 0x00000001) +// CHECK-NEXT: ('st_type', 0x00000000) +// CHECK-NEXT: ('st_other', 0x00000000) +// CHECK-NEXT: ('st_shndx', 0x00000000) +// CHECK-NEXT: ('st_value', 0x00000000) +// CHECK-NEXT: ('st_size', 0x00000000) +// CHECK-NEXT: ), + .section .foo,"axG",@progbits,g1,comdat g1: @@ -35,5 +80,7 @@ g1: nop .section .zed,"axG",@progbits,g2,comdat -g2: nop + + .section .baz,"axG",@progbits,g3,comdat + .long g3 |