126 lines
3.5 KiB
ArmAsm
126 lines
3.5 KiB
ArmAsm
# RUN: llvm-mc -filetype=obj -arch mipsel %s | llvm-readobj -r | FileCheck %s
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# Test the order of records in the relocation table.
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# *HI16 and local *GOT16 relocations should be immediately followed by the
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# corresponding *LO16 relocation against the same symbol.
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#
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# We try to implement the same semantics as gas, ie. to order the relocation
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# table the same way as gas.
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#
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# gnu as command line:
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# mips-linux-gnu-as -EL sort-relocation-table.s -o sort-relocation-table.o
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#
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# TODO: Add mips16 and micromips tests.
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# Note: offsets are part of expected output, so it's simpler to add new test
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# cases at the bottom of the file.
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# CHECK: Relocations [
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# CHECK-NEXT: {
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# Put HI before LO.
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addiu $2,$2,%lo(sym1)
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lui $2,%hi(sym1)
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# CHECK-NEXT: 0x4 R_MIPS_HI16 sym1
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# CHECK-NEXT: 0x0 R_MIPS_LO16 sym1
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# When searching for a matching LO, ignore LOs against a different symbol.
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addiu $2,$2,%lo(sym2)
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lui $2,%hi(sym2)
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addiu $2,$2,%lo(sym2_d)
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# CHECK-NEXT: 0xC R_MIPS_HI16 sym2
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# CHECK-NEXT: 0x8 R_MIPS_LO16 sym2
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# CHECK-NEXT: 0x10 R_MIPS_LO16 sym2_d
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# Match HI with 2nd LO because it has higher offset (than the 1st LO).
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addiu $2,$2,%lo(sym3)
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addiu $2,$2,%lo(sym3)
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lui $2,%hi(sym3)
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# CHECK-NEXT: 0x14 R_MIPS_LO16 sym3
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# CHECK-NEXT: 0x1C R_MIPS_HI16 sym3
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# CHECK-NEXT: 0x18 R_MIPS_LO16 sym3
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# HI is already followed by a matching LO, so don't look further, ie. ignore the
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# "free" LO with higher offset.
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lui $2,%hi(sym4)
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addiu $2,$2,%lo(sym4)
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addiu $2,$2,%lo(sym4)
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# CHECK-NEXT: 0x20 R_MIPS_HI16 sym4
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# CHECK-NEXT: 0x24 R_MIPS_LO16 sym4
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# CHECK-NEXT: 0x28 R_MIPS_LO16 sym4
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# Match 2nd HI with 2nd LO, since it's the one with highest offset among the
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# "free" ones.
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addiu $2,$2,%lo(sym5)
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addiu $2,$2,%lo(sym5)
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lui $2,%hi(sym5)
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addiu $2,$2,%lo(sym5)
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lui $2,%hi(sym5)
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# CHECK-NEXT: 0x2C R_MIPS_LO16 sym5
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# CHECK-NEXT: 0x3C R_MIPS_HI16 sym5
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# CHECK-NEXT: 0x30 R_MIPS_LO16 sym5
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# CHECK-NEXT: 0x34 R_MIPS_HI16 sym5
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# CHECK-NEXT: 0x38 R_MIPS_LO16 sym5
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# When more HIs are matched with one LO, sort them in descending order of
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# offset.
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addiu $2,$2,%lo(sym6)
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lui $2,%hi(sym6)
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lui $2,%hi(sym6)
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# CHECK-NEXT: 0x48 R_MIPS_HI16 sym6
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# CHECK-NEXT: 0x44 R_MIPS_HI16 sym6
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# CHECK-NEXT: 0x40 R_MIPS_LO16 sym6
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# sym7 is a local symbol, so GOT relocation against it needs a matching LO.
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sym7:
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addiu $2,$2,%lo(sym7)
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lui $2,%got(sym7)
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# CHECK-NEXT: 0x50 R_MIPS_GOT16 sym7
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# CHECK-NEXT: 0x4C R_MIPS_LO16 sym7
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# sym8 is not a local symbol, don't look for a matching LO for GOT.
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.global sym8
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addiu $2,$2,%lo(sym8)
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lui $2,%got(sym8)
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# CHECK-NEXT: 0x54 R_MIPS_LO16 sym8
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# CHECK-NEXT: 0x58 R_MIPS_GOT16 sym8
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# A small combination of previous checks.
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symc1:
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addiu $2,$2,%lo(symc1)
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addiu $2,$2,%lo(symc1)
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addiu $2,$2,%lo(symc1)
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lui $2,%hi(symc1)
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lui $2,%got(symc1)
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addiu $2,$2,%lo(symc2)
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lui $2,%hi(symc1)
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lui $2,%hi(symc1)
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lui $2,%got(symc2)
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lui $2,%hi(symc1)
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addiu $2,$2,%lo(symc1)
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addiu $2,$2,%lo(symc2)
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lui $2,%hi(symc1)
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lui $2,%hi(symc1)
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# CHECK-NEXT: 0x78 R_MIPS_HI16 symc1
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# CHECK-NEXT: 0x74 R_MIPS_HI16 symc1
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# CHECK-NEXT: 0x6C R_MIPS_GOT16 symc1
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# CHECK-NEXT: 0x68 R_MIPS_HI16 symc1
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# CHECK-NEXT: 0x5C R_MIPS_LO16 symc1
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# CHECK-NEXT: 0x8C R_MIPS_HI16 symc1
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# CHECK-NEXT: 0x60 R_MIPS_LO16 symc1
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# CHECK-NEXT: 0x90 R_MIPS_HI16 symc1
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# CHECK-NEXT: 0x64 R_MIPS_LO16 symc1
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# CHECK-NEXT: 0x70 R_MIPS_LO16 symc2
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# CHECK-NEXT: 0x7C R_MIPS_GOT16 symc2
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# CHECK-NEXT: 0x80 R_MIPS_HI16 symc1
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# CHECK-NEXT: 0x84 R_MIPS_LO16 symc1
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# CHECK-NEXT: 0x88 R_MIPS_LO16 symc2
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