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