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| author | Evan Cheng <evan.cheng@apple.com> | 2011-08-24 22:31:37 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2011-08-24 22:31:37 +0000 |
| commit | 5fbe5e783ee0c5ae27c17490a752d7e603e84ed2 (patch) | |
| tree | 3b0249c8a909dd3d5bd28c461f317317946655d3 /test/MC/MachO/debug_frame.s | |
| parent | 070260cb29ca9024d4fa1d3aabd6c8320b747f5e (diff) | |
| download | llvm-5fbe5e783ee0c5ae27c17490a752d7e603e84ed2.tar.gz llvm-5fbe5e783ee0c5ae27c17490a752d7e603e84ed2.tar.bz2 llvm-5fbe5e783ee0c5ae27c17490a752d7e603e84ed2.tar.xz | |
Some autoconf tests use module level inline asm to test compiler's handling of
.cfi_startproc. e.g. libffi:
$ cat confopt.c
asm (".cfi_startproc\n\t.cfi_endproc");
int main () { return 0; }
Teach MC / dwarf emission to handle these cfi directives which essentially
create an empty frame.
rdar://10017184
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138504 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/MC/MachO/debug_frame.s')
| -rw-r--r-- | test/MC/MachO/debug_frame.s | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/test/MC/MachO/debug_frame.s b/test/MC/MachO/debug_frame.s index 47264ef879..20bfd8dde2 100644 --- a/test/MC/MachO/debug_frame.s +++ b/test/MC/MachO/debug_frame.s @@ -1,5 +1,11 @@ // RUN: llvm-mc -triple i386-apple-darwin %s -filetype=obj -o - | macho-dump | FileCheck %s +// Make sure MC can handle file level .cfi_startproc and .cfi_endproc that creates +// an empty frame. +// rdar://10017184 +.cfi_startproc +.cfi_endproc + // Check that we don't produce a relocation for the CIE pointer and therefore // we have only one relocation in __debug_frame. @@ -22,17 +28,20 @@ Ltext_end: // CHECK: (('section_name', '__debug_frame\x00\x00\x00') // CHECK-NEXT: ('segment_name', '__DWARF\x00\x00\x00\x00\x00\x00\x00\x00\x00') // CHECK-NEXT: ('address', 8) -// CHECK-NEXT: ('size', 36) +// CHECK-NEXT: ('size', 52) // CHECK-NEXT: ('offset', 332) // CHECK-NEXT: ('alignment', 2) -// CHECK-NEXT: ('reloc_offset', 368) -// CHECK-NEXT: ('num_reloc', 1) +// CHECK-NEXT: ('reloc_offset', 384) +// CHECK-NEXT: ('num_reloc', 2) // CHECK-NEXT: ('flags', 0x2000000) // CHECK-NEXT: ('reserved1', 0) // CHECK-NEXT: ('reserved2', 0) // CHECK-NEXT: ), // CHECK-NEXT: ('_relocations', [ // CHECK-NEXT: # Relocation 0 +// CHECK-NEXT: (('word-0', 0x2c), +// CHECK-NEXT: ('word-1', 0x4000001)), +// CHECK-NEXT: # Relocation 1 // CHECK-NEXT: (('word-0', 0x1c), // CHECK-NEXT: ('word-1', 0x4000001)), // CHECK-NEXT: ]) |