160 lines
6.5 KiB
ArmAsm
160 lines
6.5 KiB
ArmAsm
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# RUN: llvm-mc -filetype=obj -triple riscv32 -mattr=+relax < %s \
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# RUN: | llvm-readobj -r - | FileCheck -check-prefix=RELAX-RELOC %s
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# RUN: llvm-mc -filetype=obj -triple riscv32 -mattr=-relax < %s \
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# RUN: | llvm-readobj -r - | FileCheck -check-prefix=NORELAX-RELOC %s
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# RUN: llvm-mc -triple riscv32 -mattr=+relax < %s -show-encoding \
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# RUN: | FileCheck -check-prefix=RELAX-FIXUP %s
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# RUN: llvm-mc -filetype=obj -triple riscv64 -mattr=+relax < %s \
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# RUN: | llvm-readobj -r - | FileCheck -check-prefix=RELAX-RELOC %s
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# RUN: llvm-mc -filetype=obj -triple riscv64 -mattr=-relax < %s \
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# RUN: | llvm-readobj -r - | FileCheck -check-prefix=NORELAX-RELOC %s
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# RUN: llvm-mc -triple riscv64 -mattr=+relax < %s -show-encoding \
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# RUN: | FileCheck -check-prefix=RELAX-FIXUP %s
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.long foo
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call foo
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# NORELAX-RELOC: R_RISCV_CALL foo 0x0
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# NORELAX-RELOC-NOT: R_RISCV_RELAX
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# RELAX-RELOC: R_RISCV_CALL foo 0x0
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# RELAX-RELOC: R_RISCV_RELAX - 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: foo, kind: fixup_riscv_call
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# RELAX-FIXUP: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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lui t1, %hi(foo)
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# NORELAX-RELOC: R_RISCV_HI20 foo 0x0
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# NORELAX-RELOC-NOT: R_RISCV_RELAX
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# RELAX-RELOC: R_RISCV_HI20 foo 0x0
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# RELAX-RELOC: R_RISCV_RELAX - 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: %hi(foo), kind: fixup_riscv_hi20
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# RELAX-FIXUP: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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addi t1, t1, %lo(foo)
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# NORELAX-RELOC: R_RISCV_LO12_I foo 0x0
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# NORELAX-RELOC-NOT: R_RISCV_RELAX
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# RELAX-RELOC: R_RISCV_LO12_I foo 0x0
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# RELAX-RELOC: R_RISCV_RELAX - 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: %lo(foo), kind: fixup_riscv_lo12_i
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# RELAX-FIXUP: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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sb t1, %lo(foo)(a2)
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# NORELAX-RELOC: R_RISCV_LO12_S foo 0x0
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# NORELAX-RELOC-NOT: R_RISCV_RELAX
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# RELAX-RELOC: R_RISCV_LO12_S foo 0x0
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# RELAX-RELOC: R_RISCV_RELAX - 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: %lo(foo), kind: fixup_riscv_lo12_s
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# RELAX-FIXUP: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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1:
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auipc t1, %pcrel_hi(foo)
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# NORELAX-RELOC: R_RISCV_PCREL_HI20 foo 0x0
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# NORELAX-RELOC-NOT: R_RISCV_RELAX
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# RELAX-RELOC: R_RISCV_PCREL_HI20 foo 0x0
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# RELAX-RELOC: R_RISCV_RELAX - 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: %pcrel_hi(foo), kind: fixup_riscv_pcrel_hi20
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# RELAX-FIXUP: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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addi t1, t1, %pcrel_lo(1b)
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# NORELAX-RELOC: R_RISCV_PCREL_LO12_I .Ltmp0 0x0
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# NORELAX-RELOC-NOT: R_RISCV_RELAX
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# RELAX-RELOC: R_RISCV_PCREL_LO12_I .Ltmp0 0x0
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# RELAX-RELOC: R_RISCV_RELAX - 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: %pcrel_lo(.Ltmp0), kind: fixup_riscv_pcrel_lo12_i
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# RELAX-FIXUP: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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sb t1, %pcrel_lo(1b)(a2)
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# NORELAX-RELOC: R_RISCV_PCREL_LO12_S .Ltmp0 0x0
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# NORELAX-RELOC-NOT: R_RISCV_RELAX
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# RELAX-RELOC: R_RISCV_PCREL_LO12_S .Ltmp0 0x0
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# RELAX-RELOC: R_RISCV_RELAX - 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: %pcrel_lo(.Ltmp0), kind: fixup_riscv_pcrel_lo12_s
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# RELAX-FIXUP: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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# Check behaviour when a locally defined symbol is referenced.
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bar:
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beq s1, s1, bar
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# NORELAX-RELOC-NOT: R_RISCV_BRANCH
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# RELAX-RELOC: R_RISCV_BRANCH bar 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: bar, kind: fixup_riscv_branch
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# RELAX-FIXUP-NOT: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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call bar
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# NORELAX-RELOC-NOT: R_RISCV_CALL
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# NORELAX-RELOC-NOT: R_RISCV_RELAX
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# RELAX-RELOC: R_RISCV_CALL bar 0x0
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# RELAX-RELOC: R_RISCV_RELAX - 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: bar, kind: fixup_riscv_call
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# RELAX-FIXUP: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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lui t1, %hi(bar)
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# NORELAX-RELOC: R_RISCV_HI20 bar 0x0
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# NORELAX-RELOC-NOT: R_RISCV_RELAX
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# RELAX-RELOC: R_RISCV_HI20 bar 0x0
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# RELAX-RELOC: R_RISCV_RELAX - 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: %hi(bar), kind: fixup_riscv_hi20
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# RELAX-FIXUP: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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addi t1, t1, %lo(bar)
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# NORELAX-RELOC: R_RISCV_LO12_I bar 0x0
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# NORELAX-RELOC-NOT: R_RISCV_RELAX
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# RELAX-RELOC: R_RISCV_LO12_I bar 0x0
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# RELAX-RELOC: R_RISCV_RELAX - 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: %lo(bar), kind: fixup_riscv_lo12_i
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# RELAX-FIXUP: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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sb t1, %lo(bar)(a2)
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# NORELAX-RELOC: R_RISCV_LO12_S bar 0x0
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# NORELAX-RELOC-NOT: R_RISCV_RELAX
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# RELAX-RELOC: R_RISCV_LO12_S bar 0x0
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# RELAX-RELOC: R_RISCV_RELAX - 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: %lo(bar), kind: fixup_riscv_lo12_s
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# RELAX-FIXUP: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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2:
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auipc t1, %pcrel_hi(bar)
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# NORELAX-RELOC-NOT: R_RISCV_PCREL_HI20
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# NORELAX-RELOC-NOT: R_RISCV_RELAX
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# RELAX-RELOC: R_RISCV_PCREL_HI20 bar 0x0
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# RELAX-RELOC: R_RISCV_RELAX - 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: %pcrel_hi(bar), kind: fixup_riscv_pcrel_hi20
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# RELAX-FIXUP: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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addi t1, t1, %pcrel_lo(2b)
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# NORELAX-RELOC-NOT: R_RISCV_PCREL_LO12_I
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# NORELAX-RELOC-NOT: R_RISCV_RELAX
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# RELAX-RELOC: R_RISCV_PCREL_LO12_I .Ltmp1 0x0
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# RELAX-RELOC: R_RISCV_RELAX - 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: %pcrel_lo(.Ltmp1), kind: fixup_riscv_pcrel_lo12_i
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# RELAX-FIXUP: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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sb t1, %pcrel_lo(2b)(a2)
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# NORELAX-RELOC-NOT: R_RISCV_PCREL_LO12_S
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# NORELAX-RELOC-NOT: R_RISCV_RELAX
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# RELAX-RELOC: R_RISCV_PCREL_LO12_S .Ltmp1 0x0
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# RELAX-RELOC: R_RISCV_RELAX - 0x0
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# RELAX-FIXUP: fixup A - offset: 0, value: %pcrel_lo(.Ltmp1), kind: fixup_riscv_pcrel_lo12_s
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# RELAX-FIXUP: fixup B - offset: 0, value: 0, kind: fixup_riscv_relax
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# Check that a relocation is not emitted for a symbol difference which has
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# been folded to a fixup with an absolute value. This can happen when a
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# difference expression refers to two symbols, at least one of which is
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# not defined at the point it is referenced. Then during *assembler*
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# relaxation when both symbols have become defined the difference may be folded
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# down to a fixup simply containing the absolute value. We want to ensure that
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# we don't force a relocation to be emitted for this absolute value even
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# when linker relaxation is enabled. The reason for this is that one instance
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# where this pattern appears in in the .eh_frame section (the CIE 'length'
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# field), and the .eh_frame section cannot be parsed by the linker unless the
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# fixup has been resolved to a concrete value instead of a relocation.
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.data
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lo:
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.word hi-lo
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.quad hi-lo
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# NORELAX-RELOC-NOT: R_RISCV_32
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# NORELAX-RELOC-NOT: R_RISCV_64
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# RELAX-RELOC-NOT: R_RISCV_32
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# RELAX-RELOC-NOT: R_RISCV_64
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hi:
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