48 lines
1.6 KiB
ArmAsm
48 lines
1.6 KiB
ArmAsm
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# RUN: rm -rf %t && mkdir -p %t
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# RUN: llvm-mc -triple=arm64-none-linux-gnu -filetype=obj -o %t/pic-reloc.o %s
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# RUN: llvm-rtdyld -triple=arm64-none-linux-gnu -verify -check=%s %t/pic-reloc.o \
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# RUN: -map-section pic-reloc.o,.got=0x20000 -dummy-extern f=0x1234 -dummy-extern g=0x5678
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_s:
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nop
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_a1:
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adrp x8, :got:f
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_a2:
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adrp x9, :got:g
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_a3:
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adrp x10, :got:_s
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_l1:
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ldr x8, [x8, :got_lo12:f]
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_l2:
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ldr x9, [x9, :got_lo12:g]
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_l3:
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ldr x10, [x10, :got_lo12:_s]
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## We'll end up having two sections .text and .got,
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## each is located on the start of a memory page
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## Test that .got section has three entries pointing to f, g and _s
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# *{8}section_addr(pic-reloc.o, .got) = f
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# *{8}(section_addr(pic-reloc.o, .got) + 8) = g
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# *{8}(section_addr(pic-reloc.o, .got) + 16) = _s
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## Test that first adrp instruction really takes address of
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## the .got section (_s label is on the start of a page)
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# rtdyld-check: _s + (((*{4}_a1)[30:29] + ((*{4}_a1)[23:5] << 2)) << 12) = section_addr(pic-reloc.o, .got)
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## Test that second adrp takes address of .got
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# rtdyld-check: _s + (((*{4}_a2)[30:29] + ((*{4}_a2)[23:5] << 2)) << 12) = section_addr(pic-reloc.o, .got)
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## Test that third adrp takes address of .got
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# rtdyld-check: _s + (((*{4}_a3)[30:29] + ((*{4}_a3)[23:5] << 2)) << 12) = section_addr(pic-reloc.o, .got)
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## Test that first ldr immediate value is 0 >> 3 = 0 (1st .got entry)
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# rtdyld-check: (*{4}_l1)[21:10] = 0
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## Test that second ldr immediate value is 8 >> 3 = 1 (2nd .got entry)
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# rtdyld-check: (*{4}_l2)[21:10] = 1
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## Test that third ldr immediate value is 16 >> 3 = 2 (3rd .got entry, addend is 0)
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# rtdyld-check: (*{4}_l3)[21:10] = 2
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