MC/Mach-O: Implement support for setting indirect symbol table offset in section header.

Also, create symbol data for LHS of assignment, to match 'as' symbol ordering better.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104033 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 188 insertions, 0 deletions

diff --git a/test/MC/MachO/indirect-symbols.s b/test/MC/MachO/indirect-symbols.s
new file mode 100644
index 0000000000..45a62f6bb2
--- /dev/null
+++ b/test/MC/MachO/indirect-symbols.s
@@ -0,0 +1,188 @@
+// RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o - | macho-dump --dump-section-data | FileCheck %s
+
+_b:
+        _c = 0
+_e:
+        _f = 0
+        
+	.section	__IMPORT,__jump_table,symbol_stubs,pure_instructions+self_modifying_code,5
+.indirect_symbol _a
+	.ascii	 "\364\364\364\364\364"        
+.indirect_symbol _b
+	.ascii	 "\364\364\364\364\364"        
+.indirect_symbol _c
+	.ascii	 "\364\364\364\364\364"        
+	.section	__IMPORT,__pointers,non_lazy_symbol_pointers
+.indirect_symbol _d
+	.long	0
+.indirect_symbol _e
+	.long	0
+.indirect_symbol _f
+	.long	0
+
+// CHECK: ('cputype', 7)
+// CHECK: ('cpusubtype', 3)
+// CHECK: ('filetype', 1)
+// CHECK: ('num_load_commands', 1)
+// CHECK: ('load_commands_size', 364)
+// CHECK: ('flag', 0)
+// CHECK: ('load_commands', [
+// CHECK:   # Load Command 0
+// CHECK:  (('command', 1)
+// CHECK:   ('size', 260)
+// 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', 27)
+// CHECK:   ('file_offset', 392)
+// CHECK:   ('file_size', 27)
+// CHECK:   ('maxprot', 7)
+// CHECK:   ('initprot', 7)
+// CHECK:   ('num_sections', 3)
+// 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', 392)
+// CHECK:     ('alignment', 0)
+// CHECK:     ('reloc_offset', 0)
+// CHECK:     ('num_reloc', 0)
+// CHECK:     ('flags', 0x80000000)
+// CHECK:     ('reserved1', 0)
+// CHECK:     ('reserved2', 0)
+// CHECK:    ),
+// CHECK:   ('_relocations', [
+// CHECK:   ])
+// CHECK:   ('_section_data', '')
+// CHECK:     # Section 1
+// CHECK:    (('section_name', '__jump_table\x00\x00\x00\x00')
+// CHECK:     ('segment_name', '__IMPORT\x00\x00\x00\x00\x00\x00\x00\x00')
+// CHECK:     ('address', 0)
+// CHECK:     ('size', 15)
+// CHECK:     ('offset', 392)
+// CHECK:     ('alignment', 0)
+// CHECK:     ('reloc_offset', 0)
+// CHECK:     ('num_reloc', 0)
+// CHECK:     ('flags', 0x84000008)
+// CHECK:     ('reserved1', 0)
+// CHECK:     ('reserved2', 5)
+// CHECK:    ),
+// CHECK:   ('_relocations', [
+// CHECK:   ])
+// CHECK:   ('_section_data', '\xf4\xf4\xf4\xf4\xf4\xf4\xf4\xf4\xf4\xf4\xf4\xf4\xf4\xf4\xf4')
+// CHECK:     # Section 2
+// CHECK:    (('section_name', '__pointers\x00\x00\x00\x00\x00\x00')
+// CHECK:     ('segment_name', '__IMPORT\x00\x00\x00\x00\x00\x00\x00\x00')
+// CHECK:     ('address', 15)
+// CHECK:     ('size', 12)
+// CHECK:     ('offset', 407)
+// CHECK:     ('alignment', 0)
+// CHECK:     ('reloc_offset', 0)
+// CHECK:     ('num_reloc', 0)
+// CHECK:     ('flags', 0x6)
+// CHECK:     ('reserved1', 3)
+// CHECK:     ('reserved2', 0)
+// CHECK:    ),
+// CHECK:   ('_relocations', [
+// CHECK:   ])
+// CHECK:   ('_section_data', '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
+// CHECK:   ])
+// CHECK:  ),
+// CHECK:   # Load Command 1
+// CHECK:  (('command', 2)
+// CHECK:   ('size', 24)
+// CHECK:   ('symoff', 444)
+// CHECK:   ('nsyms', 6)
+// CHECK:   ('stroff', 516)
+// CHECK:   ('strsize', 20)
+// CHECK:   ('_string_data', '\x00_d\x00_a\x00_b\x00_c\x00_e\x00_f\x00\x00')
+// CHECK:   ('_symbols', [
+// CHECK:     # Symbol 0
+// CHECK:    (('n_strx', 7)
+// CHECK:     ('n_type', 0xe)
+// CHECK:     ('n_sect', 1)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', '_b')
+// CHECK:    ),
+// CHECK:     # Symbol 1
+// CHECK:    (('n_strx', 10)
+// CHECK:     ('n_type', 0x2)
+// CHECK:     ('n_sect', 0)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', '_c')
+// CHECK:    ),
+// CHECK:     # Symbol 2
+// CHECK:    (('n_strx', 13)
+// CHECK:     ('n_type', 0xe)
+// CHECK:     ('n_sect', 1)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', '_e')
+// CHECK:    ),
+// CHECK:     # Symbol 3
+// CHECK:    (('n_strx', 16)
+// CHECK:     ('n_type', 0x2)
+// CHECK:     ('n_sect', 0)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', '_f')
+// CHECK:    ),
+// CHECK:     # Symbol 4
+// CHECK:    (('n_strx', 4)
+// CHECK:     ('n_type', 0x1)
+// CHECK:     ('n_sect', 0)
+// CHECK:     ('n_desc', 1)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', '_a')
+// CHECK:    ),
+// CHECK:     # Symbol 5
+// CHECK:    (('n_strx', 1)
+// CHECK:     ('n_type', 0x1)
+// CHECK:     ('n_sect', 0)
+// CHECK:     ('n_desc', 0)
+// CHECK:     ('n_value', 0)
+// CHECK:     ('_string', '_d')
+// CHECK:    ),
+// CHECK:   ])
+// CHECK:  ),
+// CHECK:   # Load Command 2
+// CHECK:  (('command', 11)
+// CHECK:   ('size', 80)
+// CHECK:   ('ilocalsym', 0)
+// CHECK:   ('nlocalsym', 4)
+// CHECK:   ('iextdefsym', 4)
+// CHECK:   ('nextdefsym', 0)
+// CHECK:   ('iundefsym', 4)
+// CHECK:   ('nundefsym', 2)
+// CHECK:   ('tocoff', 0)
+// CHECK:   ('ntoc', 0)
+// CHECK:   ('modtaboff', 0)
+// CHECK:   ('nmodtab', 0)
+// CHECK:   ('extrefsymoff', 0)
+// CHECK:   ('nextrefsyms', 0)
+// CHECK:   ('indirectsymoff', 420)
+// CHECK:   ('nindirectsyms', 6)
+// CHECK:   ('extreloff', 0)
+// CHECK:   ('nextrel', 0)
+// CHECK:   ('locreloff', 0)
+// CHECK:   ('nlocrel', 0)
+// CHECK:   ('_indirect_symbols', [
+// CHECK:     # Indirect Symbol 0
+// CHECK:     (('symbol_index', 0x4),),
+// CHECK:     # Indirect Symbol 1
+// CHECK:     (('symbol_index', 0x0),),
+// CHECK:     # Indirect Symbol 2
+// CHECK:     (('symbol_index', 0x1),),
+// CHECK:     # Indirect Symbol 3
+// CHECK:     (('symbol_index', 0x5),),
+// CHECK:     # Indirect Symbol 4
+// CHECK:     (('symbol_index', 0x80000000),),
+// CHECK:     # Indirect Symbol 5
+// CHECK:     (('symbol_index', 0xc0000000),),
+// CHECK:   ])
+// CHECK:  ),
+// CHECK: ])