1 # RUN: rm -rf %t && mkdir -p %t 2 # RUN: llvm-mc -triple=armv7s-apple-ios7.0.0 -filetype=obj -o %t/foo.o %s 3 # RUN: llvm-rtdyld -triple=armv7s-apple-ios7.0.0 -verify -check=%s %t/foo.o 4 5 .syntax unified 6 .section __TEXT,__text,regular,pure_instructions 7 .globl bar 8 .align 2 9 bar: 10 # Check lower 16-bits of section difference relocation 11 # rtdyld-check: decode_operand(insn1, 1) = (foo$non_lazy_ptr-(nextPC+8))[15:0] 12 insn1: 13 movw r0, :lower16:(foo$non_lazy_ptr-(nextPC+8)) 14 # Check upper 16-bits of section difference relocation 15 # rtdyld-check: decode_operand(insn2, 2) = (foo$non_lazy_ptr-(nextPC+8))[31:16] 16 insn2: 17 movt r0, :upper16:(foo$non_lazy_ptr-(nextPC+8)) 18 nextPC: 19 add r1, r0, r0 20 21 # Check stub generation for external symbols by referencing a common symbol, 'baz'. 22 # Check both the content of the stub, and the reference to the stub. 23 # Stub should contain '0xe51ff004' (ldr pc, [pc, #-4]), followed by the target. 24 # 25 # rtdyld-check: *{4}(stub_addr(foo.o, __text, baz)) = 0xe51ff004 26 # rtdyld-check: *{4}(stub_addr(foo.o, __text, baz) + 4) = baz 27 # 28 # rtdyld-check: decode_operand(insn3, 0) = stub_addr(foo.o, __text, baz) - (insn3 + 8) 29 insn3: 30 bl baz 31 32 # Check stub generation for internal symbols by referencing 'bar'. 33 # rtdyld-check: *{4}(stub_addr(foo.o, __text, bar) + 4) = bar 34 insn4: 35 bl bar 36 bx lr 37 38 # Add 'aaa' to the common symbols to make sure 'baz' isn't at the start of the 39 # section. This ensures that we test VANILLA relocation addends correctly. 40 .comm aaa, 4, 2 41 .comm baz, 4, 2 42 .comm foo, 4, 2 43 44 .section __DATA,__data 45 .globl _a 46 .align 2 47 # rtdyld-check: *{4}bar_ofs = bar + 4 48 bar_ofs: 49 .long bar + 4 50 51 # Check that the symbol pointer section entries are fixed up properly: 52 # rtdyld-check: *{4}foo$non_lazy_ptr = foo 53 .section __DATA,__nl_symbol_ptr,non_lazy_symbol_pointers 54 .align 2 55 foo$non_lazy_ptr: 56 .indirect_symbol foo 57 .long 0 58 59 .subsections_via_symbols 60
