llvm-mc/Mach-O: Support symbol attributes.

 - This is mostly complete, the main thing missing is .indirect_symbol support
   (which would be straight-forward, except that the way it is implemented in
   'as' makes getting an exact .o match interesting).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79899 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 254 insertions, 0 deletions

diff --git a/test/MC/MachO/symbol-flags.s b/test/MC/MachO/symbol-flags.s
new file mode 100644
index 0000000000..e82b0a0447
--- /dev/null
+++ b/test/MC/MachO/symbol-flags.s
@@ -0,0 +1,254 @@
+// RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o - | macho-dump | FileCheck %s
+
+        .reference sym_ref_A
+        .reference sym_ref_def_A
+sym_ref_def_A:
+sym_ref_def_C:  
+        .reference sym_ref_def_C
+        
+        .weak_reference sym_weak_ref_A
+        .weak_reference sym_weak_ref_def_A
+sym_weak_ref_def_A:        
+sym_weak_ref_def_B:
+        .weak_reference sym_weak_ref_def_B
+
+        .data
+        .globl sym_weak_def_A
+        .weak_definition sym_weak_def_A        
+sym_weak_def_A:
+
+        .lazy_reference sym_lazy_ref_A
+        .lazy_reference sym_lazy_ref_B
+sym_lazy_ref_B:
+sym_lazy_ref_C:
+        .lazy_reference sym_lazy_ref_C
+
+        .private_extern sym_private_ext_A
+        .private_extern sym_private_ext_B
+sym_private_ext_B:
+sym_private_ext_C:
+        .private_extern sym_private_ext_C
+        .private_extern sym_private_ext_D
+        .globl sym_private_ext_D
+
+        .no_dead_strip sym_no_dead_strip_A
+
+        .reference sym_ref_A
+        .desc sym_ref_A, 1
+        .desc sym_ref_A, 0x1234
+
+        .desc sym_desc_flags,0x47
+sym_desc_flags:
+
+// CHECK: ('cputype', 7)
+// CHECK: ('cpusubtype', 3)
+// CHECK: ('filetype', 1)
+// CHECK: ('num_load_commands', 1)
+// CHECK: ('load_commands_size', 296)
+// CHECK: ('flag', 0)
+// CHECK: ('load_commands', [
+// CHECK:   # Load Command 0
+// CHECK:  (('command', 1)
+// CHECK:   ('size', 192)
+// CHECK:   ('segment_name', '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
+// CHECK:   ('vm_addr', 0)
+// CHECK:   ('vm_size', 0)
+// CHECK:   ('file_offset', 324)
+// CHECK:   ('file_size', 0)
+// CHECK:   ('maxprot', 7)
+// CHECK:   ('initprot', 7)
+// CHECK:   ('num_sections', 2)
+// CHECK:   ('flags', 0)
+// CHECK:   ('sections', [
+// CHECK:     # Section 0
+// CHECK:    (('section_name', '__text\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
+// CHECK:     ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
+// CHECK:     ('address', 0)
+// CHECK:     ('size', 0)
+// CHECK:     ('offset', 324)
+// CHECK:     ('alignment', 0)
+// CHECK:     ('reloc_offset', 0)
+// CHECK:     ('num_reloc', 0)
+// CHECK:     ('flags', 0x80000000)
+// CHECK:     ('reserved1', 0)
+// CHECK:     ('reserved2', 0)
+// CHECK:    ),
+// CHECK:     # Section 1
+// CHECK:    (('section_name', '__data\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
+// CHECK:     ('segment_name', '__DATA\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
+// CHECK:     ('address', 0)
+// CHECK:     ('size', 0)
+// CHECK:     ('offset', 324)
+// CHECK:     ('alignment', 0)
+// CHECK:     ('reloc_offset', 0)
+// CHECK:     ('num_reloc', 0)
+// CHECK:     ('flags', 0x0)
+// CHECK:     ('reserved1', 0)
+// CHECK:     ('reserved2', 0)
+// CHECK:    ),
+// CHECK:   ])
+// CHECK:  ),
+// CHECK:   # Load Command 1
+// CHECK:  (('command', 2)
+// CHECK:   ('size', 24)
+// CHECK:   ('symoff', 324)
+// CHECK:   ('nsyms', 16)
+// CHECK:   ('stroff', 516)
+// CHECK:   ('strsize', 260)
+// CHECK:   ('_string_data', '\x00sym_ref_A\x00sym_weak_ref_A\x00sym_weak_def_A\x00sym_lazy_ref_A\x00sym_private_ext_A\x00sym_private_ext_B\x00sym_private_ext_C\x00sym_private_ext_D\x00sym_no_dead_strip_A\x00sym_ref_def_A\x00sym_ref_def_C\x00sym_weak_ref_def_A\x00sym_weak_ref_def_B\x00sym_lazy_ref_B\x00sym_lazy_ref_C\x00sym_desc_flags\x00\x00')
+// CHECK:   ('_symbols', [
+// CHECK:     # Symbol 0
+// CHECK:    (('n_strx', 148)
+// CHECK:     ('n_type', 0xe)
+// CHECK:     ('n_sect', 1)
+// CHECK:     ('n_desc', 32)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_ref_def_A')
+// CHECK:    ),
+// CHECK:     # Symbol 1
+// CHECK:    (('n_strx', 162)
+// CHECK:     ('n_type', 0xe)
+// CHECK:     ('n_sect', 1)
+// CHECK:     ('n_desc', 32)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_ref_def_C')
+// CHECK:    ),
+// CHECK:     # Symbol 2
+// CHECK:    (('n_strx', 176)
+// CHECK:     ('n_type', 0xe)
+// CHECK:     ('n_sect', 1)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_weak_ref_def_A')
+// CHECK:    ),
+// CHECK:     # Symbol 3
+// CHECK:    (('n_strx', 195)
+// CHECK:     ('n_type', 0xe)
+// CHECK:     ('n_sect', 1)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_weak_ref_def_B')
+// CHECK:    ),
+// CHECK:     # Symbol 4
+// CHECK:    (('n_strx', 214)
+// CHECK:     ('n_type', 0xe)
+// CHECK:     ('n_sect', 2)
+// CHECK:     ('n_desc', 32)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_lazy_ref_B')
+// CHECK:    ),
+// CHECK:     # Symbol 5
+// CHECK:    (('n_strx', 229)
+// CHECK:     ('n_type', 0xe)
+// CHECK:     ('n_sect', 2)
+// CHECK:     ('n_desc', 32)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_lazy_ref_C')
+// CHECK:    ),
+// CHECK:     # Symbol 6
+// CHECK:    (('n_strx', 244)
+// CHECK:     ('n_type', 0xe)
+// CHECK:     ('n_sect', 2)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_desc_flags')
+// CHECK:    ),
+// CHECK:     # Symbol 7
+// CHECK:    (('n_strx', 74)
+// CHECK:     ('n_type', 0x1f)
+// CHECK:     ('n_sect', 2)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_private_ext_B')
+// CHECK:    ),
+// CHECK:     # Symbol 8
+// CHECK:    (('n_strx', 92)
+// CHECK:     ('n_type', 0x1f)
+// CHECK:     ('n_sect', 2)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_private_ext_C')
+// CHECK:    ),
+// CHECK:     # Symbol 9
+// CHECK:    (('n_strx', 26)
+// CHECK:     ('n_type', 0xf)
+// CHECK:     ('n_sect', 2)
+// CHECK:     ('n_desc', 128)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_weak_def_A')
+// CHECK:    ),
+// CHECK:     # Symbol 10
+// CHECK:    (('n_strx', 41)
+// CHECK:     ('n_type', 0x1)
+// CHECK:     ('n_sect', 0)
+// CHECK:     ('n_desc', 33)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_lazy_ref_A')
+// CHECK:    ),
+// CHECK:     # Symbol 11
+// CHECK:    (('n_strx', 128)
+// CHECK:     ('n_type', 0x1)
+// CHECK:     ('n_sect', 0)
+// CHECK:     ('n_desc', 32)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_no_dead_strip_A')
+// CHECK:    ),
+// CHECK:     # Symbol 12
+// CHECK:    (('n_strx', 56)
+// CHECK:     ('n_type', 0x11)
+// CHECK:     ('n_sect', 0)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_private_ext_A')
+// CHECK:    ),
+// CHECK:     # Symbol 13
+// CHECK:    (('n_strx', 110)
+// CHECK:     ('n_type', 0x11)
+// CHECK:     ('n_sect', 0)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_private_ext_D')
+// CHECK:    ),
+// CHECK:     # Symbol 14
+// CHECK:    (('n_strx', 1)
+// CHECK:     ('n_type', 0x1)
+// CHECK:     ('n_sect', 0)
+// CHECK:     ('n_desc', 4660)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_ref_A')
+// CHECK:    ),
+// CHECK:     # Symbol 15
+// CHECK:    (('n_strx', 11)
+// CHECK:     ('n_type', 0x1)
+// CHECK:     ('n_sect', 0)
+// CHECK:     ('n_desc', 64)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', 'sym_weak_ref_A')
+// CHECK:    ),
+// CHECK:   ])
+// CHECK:  ),
+// CHECK:   # Load Command 2
+// CHECK:  (('command', 11)
+// CHECK:   ('size', 80)
+// CHECK:   ('ilocalsym', 0)
+// CHECK:   ('nlocalsym', 7)
+// CHECK:   ('iextdefsym', 7)
+// CHECK:   ('nextdefsym', 3)
+// CHECK:   ('iundefsym', 10)
+// CHECK:   ('nundefsym', 6)
+// CHECK:   ('tocoff', 0)
+// CHECK:   ('ntoc', 0)
+// CHECK:   ('modtaboff', 0)
+// CHECK:   ('nmodtab', 0)
+// CHECK:   ('extrefsymoff', 0)
+// CHECK:   ('nextrefsyms', 0)
+// CHECK:   ('indirectsymoff', 0)
+// CHECK:   ('nindirectsyms', 0)
+// CHECK:   ('extreloff', 0)
+// CHECK:   ('nextrel', 0)
+// CHECK:   ('locreloff', 0)
+// CHECK:   ('nlocrel', 0)
+// CHECK:   ('_indirect_symbols', [
+// CHECK:   ])
+// CHECK:  ),
+// CHECK: ])