derek.holloway
7502bf64a4
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85 lines
2.5 KiB
ArmAsm
85 lines
2.5 KiB
ArmAsm
// COM: A dynamic relocation can write outside .text while its addend still
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// COM: references displaced code. Direct displacement must decline this input
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// COM: and use an appended entry stub so the relocation remains valid.
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// RUN: %clang -target amdgcn-amd-amdhsa -mcpu=gfx1250 -nostdlib %s -o %t.elf
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// RUN: hotswap-rewrite %t.elf \
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// RUN: amdgcn-amd-amdhsa--gfx1250 amdgcn-amd-amdhsa--gfx1250 \
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// RUN: --entry-trampolines --output %t.out.elf \
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// RUN: | %FileCheck --check-prefix=API %s
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// API: RESULT: SUCCESS
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// RUN: %llvm-objdump -d %t.out.elf | %FileCheck --check-prefix=DISASM %s
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// DISASM-LABEL: <relocation_kernel>:
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// DISASM-NEXT: s_endpgm
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// DISASM-LABEL: <pointed_helper>:
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// DISASM-NEXT: s_endpgm
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// DISASM: global_prefetch_b8 v0, s[0:1] scope:SCOPE_SE
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// DISASM-NEXT: v_nop
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// DISASM-NEXT: s_get_pc_i64
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// RUN: (echo ORIGINAL; %llvm-readelf -Ws %t.elf; \
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// RUN: echo REWRITTEN; %llvm-readelf -Ws %t.out.elf) \
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// RUN: | %FileCheck --check-prefix=SYMBOL %s
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// SYMBOL: ORIGINAL
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// SYMBOL: [[HELPER:[0-9a-fA-F]+]] {{.*}} pointed_helper
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// SYMBOL: REWRITTEN
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// SYMBOL: [[HELPER]] {{.*}} pointed_helper
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// RUN: (echo ORIGINAL; %llvm-readelf -r %t.elf; \
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// RUN: echo REWRITTEN; %llvm-readelf -r %t.out.elf) \
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// RUN: | %FileCheck --check-prefix=RELOCATION %s
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// RELOCATION: ORIGINAL
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// RELOCATION: R_AMDGPU_RELATIVE64{{ +}}[[ADDEND:[0-9a-fA-F]+]]
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// RELOCATION: REWRITTEN
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// RELOCATION: R_AMDGPU_RELATIVE64{{ +}}[[ADDEND]]
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.amdgcn_target "amdgcn-amd-amdhsa--gfx1250"
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.text
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.globl relocation_kernel
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.p2align 8
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.type relocation_kernel,@function
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relocation_kernel:
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s_endpgm
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.Lrelocation_kernel_end:
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.size relocation_kernel, .Lrelocation_kernel_end-relocation_kernel
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.local pointed_helper
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.type pointed_helper,@function
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pointed_helper:
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s_endpgm
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.Lpointed_helper_end:
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.size pointed_helper, .Lpointed_helper_end-pointed_helper
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.data
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.p2align 3
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.globl helper_pointer
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.type helper_pointer,@object
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helper_pointer:
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.quad pointed_helper
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.size helper_pointer, 8
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.rodata
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.p2align 8
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.amdhsa_kernel relocation_kernel
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.amdhsa_next_free_vgpr 1
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.amdhsa_next_free_sgpr 1
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.end_amdhsa_kernel
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.amdgpu_metadata
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amdhsa.version:
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- 3
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- 0
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amdhsa.kernels:
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- .name: relocation_kernel
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.symbol: relocation_kernel.kd
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.sgpr_count: 1
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.vgpr_count: 1
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.kernarg_segment_size: 0
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.group_segment_fixed_size: 0
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.private_segment_fixed_size: 0
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.kernarg_segment_align: 8
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.wavefront_size: 64
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.max_flat_workgroup_size: 256
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.end_amdgpu_metadata
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