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Fix a crash reduced from gcc produced assembly.
llvm-svn: 121085
This commit is contained in:
Rafael Espindola
parent
81f8b084e6
commit
c98cc0b286
@ -564,14 +564,10 @@ public:
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if (A_Base == B_Base && A_Base)
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report_fatal_error("unsupported relocation with identical base");
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assert((A_Base == NULL) == (B_Base == NULL));
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assert(A_SD.getFragment()->getParent() ==
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B_SD.getFragment()->getParent());
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Value += Layout.getSymbolOffset(&A_SD) -
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(A_Base == NULL ? 0 : Layout.getSymbolOffset(A_Base));
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Value -= Layout.getSymbolOffset(&B_SD) -
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(B_Base == NULL ? 0 : Layout.getSymbolOffset(B_Base));
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Value += getSymbolAddress(&A_SD, Layout) -
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(A_Base == NULL ? 0 : getSymbolAddress(A_Base, Layout));
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Value -= getSymbolAddress(&B_SD, Layout) -
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(B_Base == NULL ? 0 : getSymbolAddress(B_Base, Layout));
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if (A_Base) {
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Index = A_Base->getIndex();
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122
test/MC/MachO/symbol-diff.s
Normal file
122
test/MC/MachO/symbol-diff.s
Normal file
@ -0,0 +1,122 @@
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// RUN: llvm-mc -triple x86_64-apple-darwin10 %s -filetype=obj -o - | macho-dump --dump-section-data | FileCheck %s
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_g:
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LFB2:
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.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support
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_g.eh:
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.quad LFB2-.
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// CHECK: ('cputype', 16777223)
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// CHECK-NEXT: ('cpusubtype', 3)
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// CHECK-NEXT: ('filetype', 1)
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// CHECK-NEXT: ('num_load_commands', 3)
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// CHECK-NEXT: ('load_commands_size', 336)
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// CHECK-NEXT: ('flag', 0)
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// CHECK-NEXT: ('reserved', 0)
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// CHECK-NEXT: ('load_commands', [
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// CHECK-NEXT: # Load Command 0
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// CHECK-NEXT: (('command', 25)
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// CHECK-NEXT: ('size', 232)
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// CHECK-NEXT: ('segment_name', '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
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// CHECK-NEXT: ('vm_addr', 0)
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// CHECK-NEXT: ('vm_size', 8)
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// CHECK-NEXT: ('file_offset', 368)
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// CHECK-NEXT: ('file_size', 8)
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// CHECK-NEXT: ('maxprot', 7)
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// CHECK-NEXT: ('initprot', 7)
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// CHECK-NEXT: ('num_sections', 2)
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// CHECK-NEXT: ('flags', 0)
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// CHECK-NEXT: ('sections', [
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// CHECK-NEXT: # Section 0
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// CHECK-NEXT: (('section_name', '__text\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
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// CHECK-NEXT: ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
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// CHECK-NEXT: ('address', 0)
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// CHECK-NEXT: ('size', 0)
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// CHECK-NEXT: ('offset', 368)
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// CHECK-NEXT: ('alignment', 0)
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// CHECK-NEXT: ('reloc_offset', 0)
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// CHECK-NEXT: ('num_reloc', 0)
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// CHECK-NEXT: ('flags', 0x80000000)
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// CHECK-NEXT: ('reserved1', 0)
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// CHECK-NEXT: ('reserved2', 0)
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// CHECK-NEXT: ('reserved3', 0)
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// CHECK-NEXT: ),
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// CHECK-NEXT: ('_relocations', [
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// CHECK-NEXT: ])
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// CHECK-NEXT: ('_section_data', '')
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// CHECK-NEXT: # Section 1
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// CHECK-NEXT: (('section_name', '__eh_frame\x00\x00\x00\x00\x00\x00')
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// CHECK-NEXT: ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
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// CHECK-NEXT: ('address', 0)
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// CHECK-NEXT: ('size', 8)
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// CHECK-NEXT: ('offset', 368)
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// CHECK-NEXT: ('alignment', 0)
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// CHECK-NEXT: ('reloc_offset', 376)
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// CHECK-NEXT: ('num_reloc', 2)
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// CHECK-NEXT: ('flags', 0x6800000b)
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// CHECK-NEXT: ('reserved1', 0)
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// CHECK-NEXT: ('reserved2', 0)
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// CHECK-NEXT: ('reserved3', 0)
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// CHECK-NEXT: ),
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// CHECK-NEXT: ('_relocations', [
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// CHECK-NEXT: # Relocation 0
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// CHECK-NEXT: (('word-0', 0x0),
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// CHECK-NEXT: ('word-1', 0x5e000001)),
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// CHECK-NEXT: # Relocation 1
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// CHECK-NEXT: (('word-0', 0x0),
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// CHECK-NEXT: ('word-1', 0xe000000)),
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// CHECK-NEXT: ])
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// CHECK-NEXT: ('_section_data', '00000000 00000000')
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// CHECK-NEXT: ])
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// CHECK-NEXT: ),
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// CHECK-NEXT: # Load Command 1
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// CHECK-NEXT: (('command', 2)
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// CHECK-NEXT: ('size', 24)
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// CHECK-NEXT: ('symoff', 392)
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// CHECK-NEXT: ('nsyms', 2)
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// CHECK-NEXT: ('stroff', 424)
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// CHECK-NEXT: ('strsize', 12)
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// CHECK-NEXT: ('_string_data', '\x00_g\x00_g.eh\x00\x00\x00')
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// CHECK-NEXT: ('_symbols', [
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// CHECK-NEXT: # Symbol 0
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// CHECK-NEXT: (('n_strx', 1)
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// CHECK-NEXT: ('n_type', 0xe)
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// CHECK-NEXT: ('n_sect', 1)
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// CHECK-NEXT: ('n_desc', 0)
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// CHECK-NEXT: ('n_value', 0)
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// CHECK-NEXT: ('_string', '_g')
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// CHECK-NEXT: ),
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// CHECK-NEXT: # Symbol 1
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// CHECK-NEXT: (('n_strx', 4)
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// CHECK-NEXT: ('n_type', 0xe)
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// CHECK-NEXT: ('n_sect', 2)
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// CHECK-NEXT: ('n_desc', 0)
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// CHECK-NEXT: ('n_value', 0)
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// CHECK-NEXT: ('_string', '_g.eh')
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// CHECK-NEXT: ),
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// CHECK-NEXT: ])
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// CHECK-NEXT: ),
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// CHECK-NEXT: # Load Command 2
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// CHECK-NEXT: (('command', 11)
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// CHECK-NEXT: ('size', 80)
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// CHECK-NEXT: ('ilocalsym', 0)
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// CHECK-NEXT: ('nlocalsym', 2)
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// CHECK-NEXT: ('iextdefsym', 2)
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// CHECK-NEXT: ('nextdefsym', 0)
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// CHECK-NEXT: ('iundefsym', 2)
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// CHECK-NEXT: ('nundefsym', 0)
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// CHECK-NEXT: ('tocoff', 0)
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// CHECK-NEXT: ('ntoc', 0)
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// CHECK-NEXT: ('modtaboff', 0)
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// CHECK-NEXT: ('nmodtab', 0)
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// CHECK-NEXT: ('extrefsymoff', 0)
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// CHECK-NEXT: ('nextrefsyms', 0)
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// CHECK-NEXT: ('indirectsymoff', 0)
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// CHECK-NEXT: ('nindirectsyms', 0)
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// CHECK-NEXT: ('extreloff', 0)
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// CHECK-NEXT: ('nextrel', 0)
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// CHECK-NEXT: ('locreloff', 0)
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// CHECK-NEXT: ('nlocrel', 0)
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// CHECK-NEXT: ('_indirect_symbols', [
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// CHECK-NEXT: ])
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// CHECK-NEXT: ),
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// CHECK-NEXT:])
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