From 6742e34385bff89b897ef0fc930c4bca9e75ac4a Mon Sep 17 00:00:00 2001 From: Daniel Dunbar Date: Wed, 26 Aug 2009 04:13:32 +0000 Subject: llvm-mc/Mach-O: Add section padding where needed (to align the next section). Also, simplify some of Mach-O writer code which can now use section addresses. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80067 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/MC/MachO/section-align-1.s | 87 +++++++++++++++++++++++++ test/MC/MachO/section-align-2.s | 137 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 224 insertions(+) create mode 100644 test/MC/MachO/section-align-1.s create mode 100644 test/MC/MachO/section-align-2.s (limited to 'test/MC') diff --git a/test/MC/MachO/section-align-1.s b/test/MC/MachO/section-align-1.s new file mode 100644 index 0000000000..6a5e247c93 --- /dev/null +++ b/test/MC/MachO/section-align-1.s @@ -0,0 +1,87 @@ +// RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o - | macho-dump | FileCheck %s + +name: + .byte 0 + + // Check that symbol table is aligned to 4 bytes. + + +// CHECK: ('cputype', 7) +// CHECK: ('cpusubtype', 3) +// CHECK: ('filetype', 1) +// CHECK: ('num_load_commands', 1) +// CHECK: ('load_commands_size', 228) +// CHECK: ('flag', 0) +// CHECK: ('load_commands', [ +// CHECK: # Load Command 0 +// CHECK: (('command', 1) +// CHECK: ('size', 124) +// 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', 1) +// CHECK: ('file_offset', 256) +// CHECK: ('file_size', 1) +// CHECK: ('maxprot', 7) +// CHECK: ('initprot', 7) +// CHECK: ('num_sections', 1) +// 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', 1) +// CHECK: ('offset', 256) +// CHECK: ('alignment', 0) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x80000000) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ), +// CHECK: ]) +// CHECK: ), +// CHECK: # Load Command 1 +// CHECK: (('command', 2) +// CHECK: ('size', 24) +// CHECK: ('symoff', 260) +// CHECK: ('nsyms', 1) +// CHECK: ('stroff', 272) +// CHECK: ('strsize', 8) +// CHECK: ('_string_data', '\x00name\x00\x00\x00') +// CHECK: ('_symbols', [ +// CHECK: # Symbol 0 +// CHECK: (('n_strx', 1) +// CHECK: ('n_type', 0xe) +// CHECK: ('n_sect', 1) +// CHECK: ('n_desc', 0) +// CHECK: ('n_value', 0) +// CHECK: ('_string', 'name') +// CHECK: ), +// CHECK: ]) +// CHECK: ), +// CHECK: # Load Command 2 +// CHECK: (('command', 11) +// CHECK: ('size', 80) +// CHECK: ('ilocalsym', 0) +// CHECK: ('nlocalsym', 1) +// CHECK: ('iextdefsym', 1) +// CHECK: ('nextdefsym', 0) +// CHECK: ('iundefsym', 1) +// CHECK: ('nundefsym', 0) +// 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: ]) diff --git a/test/MC/MachO/section-align-2.s b/test/MC/MachO/section-align-2.s new file mode 100644 index 0000000000..e0704734a8 --- /dev/null +++ b/test/MC/MachO/section-align-2.s @@ -0,0 +1,137 @@ +// RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o - | macho-dump | FileCheck %s + + .byte 0 + + // There should be 3 padding bytes here. + + .data + .align 2 +foo: + .org 8 +bar: + .byte 0 + + .const +baz: + +// 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', 13) +// CHECK: ('file_offset', 392) +// CHECK: ('file_size', 13) +// 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', 1) +// 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: # 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', 4) +// CHECK: ('size', 9) +// CHECK: ('offset', 396) +// CHECK: ('alignment', 2) +// CHECK: ('reloc_offset', 0) +// CHECK: ('num_reloc', 0) +// CHECK: ('flags', 0x0) +// CHECK: ('reserved1', 0) +// CHECK: ('reserved2', 0) +// CHECK: ), +// CHECK: # Section 2 +// CHECK: (('section_name', '__const\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', 13) +// CHECK: ('size', 0) +// CHECK: ('offset', 405) +// 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', 408) +// CHECK: ('nsyms', 3) +// CHECK: ('stroff', 444) +// CHECK: ('strsize', 16) +// CHECK: ('_string_data', '\x00foo\x00bar\x00baz\x00\x00\x00\x00') +// CHECK: ('_symbols', [ +// CHECK: # Symbol 0 +// CHECK: (('n_strx', 1) +// CHECK: ('n_type', 0xe) +// CHECK: ('n_sect', 2) +// CHECK: ('n_desc', 0) +// CHECK: ('n_value', 4) +// CHECK: ('_string', 'foo') +// CHECK: ), +// CHECK: # Symbol 1 +// CHECK: (('n_strx', 5) +// CHECK: ('n_type', 0xe) +// CHECK: ('n_sect', 2) +// CHECK: ('n_desc', 0) +// CHECK: ('n_value', 12) +// CHECK: ('_string', 'bar') +// CHECK: ), +// CHECK: # Symbol 2 +// CHECK: (('n_strx', 9) +// CHECK: ('n_type', 0xe) +// CHECK: ('n_sect', 3) +// CHECK: ('n_desc', 0) +// CHECK: ('n_value', 13) +// CHECK: ('_string', 'baz') +// CHECK: ), +// CHECK: ]) +// CHECK: ), +// CHECK: # Load Command 2 +// CHECK: (('command', 11) +// CHECK: ('size', 80) +// CHECK: ('ilocalsym', 0) +// CHECK: ('nlocalsym', 3) +// CHECK: ('iextdefsym', 3) +// CHECK: ('nextdefsym', 0) +// CHECK: ('iundefsym', 3) +// CHECK: ('nundefsym', 0) +// 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: ]) -- cgit v1.2.3