diff options
Diffstat (limited to 'test/ExecutionEngine/RuntimeDyld/ARM/MachO_ARM_PIC_relocations.s')
| -rw-r--r-- | test/ExecutionEngine/RuntimeDyld/ARM/MachO_ARM_PIC_relocations.s | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/test/ExecutionEngine/RuntimeDyld/ARM/MachO_ARM_PIC_relocations.s b/test/ExecutionEngine/RuntimeDyld/ARM/MachO_ARM_PIC_relocations.s new file mode 100644 index 0000000..7ff3a89 --- /dev/null +++ b/test/ExecutionEngine/RuntimeDyld/ARM/MachO_ARM_PIC_relocations.s @@ -0,0 +1,51 @@ +# RUN: llvm-mc -triple=armv7s-apple-ios7.0.0 -relocation-model=pic -filetype=obj -o %T/foo.o %s +# RUN: llvm-rtdyld -triple=armv7s-apple-ios7.0.0 -verify -check=%s %/T/foo.o + + .syntax unified + .section __TEXT,__text,regular,pure_instructions + .globl bar + .align 2 +bar: +# Check lower 16-bits of section difference relocation +# rtdyld-check: decode_operand(insn1, 1) = (foo$non_lazy_ptr-(nextPC+8))[15:0] +insn1: + movw r0, :lower16:(foo$non_lazy_ptr-(nextPC+8)) +# Check upper 16-bits of section difference relocation +# rtdyld-check: decode_operand(insn2, 2) = (foo$non_lazy_ptr-(nextPC+8))[31:16] +insn2: + movt r0, :upper16:(foo$non_lazy_ptr-(nextPC+8)) +nextPC: + add r1, r0, r0 + +# Check stub generation for external symbols by referencing a common symbol, 'baz'. +# Check both the content of the stub, and the reference to the stub. +# Stub should contain '0xe51ff004' (ldr pc, [pc, #-4]), followed by the target. +# +# rtdyld-check: *{4}(stub_addr(foo.o, __text, baz)) = 0xe51ff004 +# rtdyld-check: *{4}(stub_addr(foo.o, __text, baz) + 4) = baz +# +# rtdyld-check: decode_operand(insn3, 0) = stub_addr(foo.o, __text, baz) - (insn3 + 8) +insn3: + bl baz + +# Check stub generation for internal symbols by referencing 'bar'. +# rtdyld-check: *{4}(stub_addr(foo.o, __text, bar) + 4) = bar +insn4: + bl bar + bx lr + +# Add 'aaa' to the common symbols to make sure 'baz' isn't at the start of the +# section. This ensures that we test VANILLA relocation addends correctly. + .comm aaa, 4, 2 + .comm baz, 4, 2 + .comm foo, 4, 2 + +# Check that the symbol pointer section entries are fixed up properly: +# rtdyld-check: *{4}foo$non_lazy_ptr = foo + .section __DATA,__nl_symbol_ptr,non_lazy_symbol_pointers + .align 2 +foo$non_lazy_ptr: + .indirect_symbol foo + .long 0 + +.subsections_via_symbols |