1# RUN: rm -rf %t && mkdir -p %t 2# RUN: llvm-mc -triple=arm64-none-linux-gnu -filetype=obj -o %t/pic-reloc.o %s 3# RUN: llvm-rtdyld -triple=arm64-none-linux-gnu -verify -check=%s %t/pic-reloc.o \ 4# RUN: -map-section pic-reloc.o,.got=0x20000 -dummy-extern f=0x1234 -dummy-extern g=0x5678 5 6_s: 7 nop 8_a1: 9 adrp x8, :got:f 10_a2: 11 adrp x9, :got:g 12_a3: 13 adrp x10, :got:_s 14_l1: 15 ldr x8, [x8, :got_lo12:f] 16_l2: 17 ldr x9, [x9, :got_lo12:g] 18_l3: 19 ldr x10, [x10, :got_lo12:_s] 20 21 22## We'll end up having two sections .text and .got, 23## each is located on the start of a memory page 24 25## Test that .got section has three entries pointing to f, g and _s 26# *{8}section_addr(pic-reloc.o, .got) = f 27# *{8}(section_addr(pic-reloc.o, .got) + 8) = g 28# *{8}(section_addr(pic-reloc.o, .got) + 16) = _s 29 30## Test that first adrp instruction really takes address of 31## the .got section (_s label is on the start of a page) 32# rtdyld-check: _s + (((*{4}_a1)[30:29] + ((*{4}_a1)[23:5] << 2)) << 12) = section_addr(pic-reloc.o, .got) 33 34## Test that second adrp takes address of .got 35# rtdyld-check: _s + (((*{4}_a2)[30:29] + ((*{4}_a2)[23:5] << 2)) << 12) = section_addr(pic-reloc.o, .got) 36 37## Test that third adrp takes address of .got 38# rtdyld-check: _s + (((*{4}_a3)[30:29] + ((*{4}_a3)[23:5] << 2)) << 12) = section_addr(pic-reloc.o, .got) 39 40## Test that first ldr immediate value is 0 >> 3 = 0 (1st .got entry) 41# rtdyld-check: (*{4}_l1)[21:10] = 0 42 43## Test that second ldr immediate value is 8 >> 3 = 1 (2nd .got entry) 44# rtdyld-check: (*{4}_l2)[21:10] = 1 45 46## Test that third ldr immediate value is 16 >> 3 = 2 (3rd .got entry, addend is 0) 47# rtdyld-check: (*{4}_l3)[21:10] = 2 48