forked from OSchip/llvm-project
163 lines
5.4 KiB
ArmAsm
163 lines
5.4 KiB
ArmAsm
# Test that linking without shared memory causes __tls_base to be
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# internalized.
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# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
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.globaltype __tls_base, i32
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.globl get_tls1
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get_tls1:
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.functype get_tls1 () -> (i32)
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global.get __tls_base
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i32.const tls1@TLSREL
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i32.add
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end_function
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.globl get_tls1_got
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get_tls1_got:
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.functype get_tls1_got () -> (i32)
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global.get tls1@GOT@TLS
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end_function
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.section .data.no_tls,"",@
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.globl no_tls
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.p2align 2
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no_tls:
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.int32 42
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.size no_tls, 4
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.section .tdata.tls1,"T",@
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.globl tls1
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.p2align 2
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tls1:
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.int32 43
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.size tls1, 2
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.section .custom_section.target_features,"",@
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.int8 2
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.int8 43
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.int8 7
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.ascii "atomics"
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.int8 43
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.int8 11
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.ascii "bulk-memory"
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# RUN: wasm-ld --no-gc-sections --no-entry -o %t.wasm %t.o
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# RUN: obj2yaml %t.wasm | FileCheck %s
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# RUN: wasm-ld --experimental-pic -shared -o %t.so %t.o
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# RUN: obj2yaml %t.so | FileCheck %s --check-prefixes=SHARED,PIC
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# RUN: wasm-ld --experimental-pic --no-gc-sections --no-entry -pie -o %t-pie.wasm %t.o
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# RUN: obj2yaml %t-pie.wasm | FileCheck %s --check-prefixes=PIE,PIC
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# RUN: wasm-ld --experimental-pic --features=atomics,bulk-memory,extended-const --no-gc-sections --no-entry -pie -o %t-extended-const.wasm %t.o
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# RUN: obj2yaml %t-extended-const.wasm | FileCheck %s --check-prefixes=EXT-CONST
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# CHECK: - Type: GLOBAL
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# __stack_pointer
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# CHECK-NEXT: Globals:
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# CHECK-NEXT: - Index: 0
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# CHECK-NEXT: Type: I32
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# CHECK-NEXT: Mutable: true
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# CHECK-NEXT: InitExpr:
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# CHECK-NEXT: Opcode: I32_CONST
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# CHECK-NEXT: Value: 66576
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# __tls_base
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# CHECK-NEXT: - Index: 1
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# CHECK-NEXT: Type: I32
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# CHECK-NEXT: Mutable: false
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# CHECK-NEXT: InitExpr:
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# CHECK-NEXT: Opcode: I32_CONST
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# CHECK-NEXT: Value: 1024
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# GOT.data.internal.tls1
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# CHECK-NEXT: - Index: 2
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# CHECK-NEXT: Type: I32
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# CHECK-NEXT: Mutable: false
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# CHECK-NEXT: InitExpr:
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# CHECK-NEXT: Opcode: I32_CONST
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# CHECK-NEXT: Value: 1024
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# CHECK-NEXT: - Type: EXPORT
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# CHECK: - Type: DATA
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# .data
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# CHECK-NEXT: Segments:
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# CHECK-NEXT: - SectionOffset: 7
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# CHECK-NEXT: InitFlags: 0
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# CHECK-NEXT: Offset:
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# CHECK-NEXT: Opcode: I32_CONST
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# CHECK-NEXT: Value: 1024
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# CHECK-NEXT: Content: 2B000000
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# .tdata
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# CHECK-NEXT: - SectionOffset: 17
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# CHECK-NEXT: InitFlags: 0
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# CHECK-NEXT: Offset:
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# CHECK-NEXT: Opcode: I32_CONST
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# CHECK-NEXT: Value: 1028
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# CHECK-NEXT: Content: 2A000000
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# CHECK-NEXT: - Type: CUSTOM
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# In PIC mode we expect TLS data and non-TLS data to be merged into
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# a single segment which is initialized via the __memory_base import
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# SHARED: - Type: IMPORT
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# SHARED-NEXT: Imports:
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# SHARED-NEXT: - Module: env
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# SHARED-NEXT: Field: memory
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# SHARED-NEXT: Kind: MEMORY
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# SHARED-NEXT: Memory:
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# SHARED-NEXT: Minimum: 0x1
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# SHARED-NEXT: - Module: env
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# SHARED-NEXT: Field: __memory_base
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# SHARED-NEXT: Kind: GLOBAL
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# SHARED-NEXT: GlobalType: I32
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# In SHARED mode we export the address of all data symbols.
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# SHARED: - Type: EXPORT
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# SHARED-NEXT: Exports:
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# SHARED: - Name: tls1
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# SHARED-NEXT: Kind: GLOBAL
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# SHARED: - Name: no_tls
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# SHARED-NEXT: Kind: GLOBAL
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# In PIE mode we don't export data address by default.
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# PIE: - Type: EXPORT
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# PIE-NEXT: Exports:
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# PIE-NEXT: - Name: memory
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# PIE-NEXT: Kind: MEMORY
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# PIE-NEXT: Index: 0
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# PIE-NEXT: - Type:
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# .tdata and .data are combined into single segment in PIC mode.
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# PIC: - Type: DATA
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# PIC-NEXT: Segments:
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# PIC-NEXT: - SectionOffset: 6
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# PIC-NEXT: InitFlags: 0
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# PIC-NEXT: Offset:
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# PIC-NEXT: Opcode: GLOBAL_GET
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# PIC-NEXT: Index: {{\d*}}
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# PIC-NEXT: Content: 2B0000002A000000
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# PIC-NEXT: - Type: CUSTOM
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# Unless we have extended-const, in which case the merging is not needed.
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# The first segment is placed directly at `__memory_base` and the second
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# one is offset from `__memory_base` using `i32.add` and a constant.
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# EXT-CONST: - Type: DATA
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# EXT-CONST-NEXT: Segments:
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# EXT-CONST-NEXT: - SectionOffset: 6
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# EXT-CONST-NEXT: InitFlags: 0
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# EXT-CONST-NEXT: Offset:
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# EXT-CONST-NEXT: Opcode: GLOBAL_GET
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# EXT-CONST-NEXT: Index: 1
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# EXT-CONST-NEXT: Content: 2B000000
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# EXT-CONST-NEXT: - SectionOffset: 18
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# EXT-CONST-NEXT: InitFlags: 0
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# EXT-CONST-NEXT: Offset:
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# EXT-CONST-NEXT: Extended: true
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# This instruction sequence decodes to:
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# (global.get[0x23] 0x1 i32.const[0x41] 0x04 i32.add[0x6A] end[0x0b])
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# EXT-CONST-NEXT: Body: 230141046A0B
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# EXT-CONST-NEXT: Content: 2A000000
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