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llvm-project
/lld
/test
/COFF
/
arm64ec-entry-thunk.s 
374 строки · 10.2 Кб
1
// REQUIRES: aarch64
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// RUN: split-file %s %t.dir && cd %t.dir
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4
#--- test-simple.s
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// Build a simple function with an entry thunk.
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    .section .text,"xr",discard,func
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    .globl func
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    .p2align 2
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func:
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    mov w0, #1
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    ret
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    .section .wowthk$aa,"xr",discard,thunk
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    .globl thunk
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    .p2align 2
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thunk:
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    mov w0, #10
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    ret
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    .section .hybmp$x, "yi"
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    .symidx func
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    .symidx thunk
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    .word 1  // entry thunk
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    .data
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    .rva func
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// RUN: llvm-mc -filetype=obj -triple=arm64ec-windows %S/Inputs/loadconfig-arm64ec.s -o loadcfg.obj
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// RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-simple.s -o test-simple.obj
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// RUN: lld-link -machine:arm64ec -dll -noentry -out:out-simple.dll loadcfg.obj test-simple.obj
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// RUN: llvm-objdump -d out-simple.dll | FileCheck --check-prefix=DISASM %s
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// DISASM:      Disassembly of section .text:
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// DISASM-EMPTY:
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// DISASM-NEXT: 0000000180001000 <.text>:
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// DISASM-NEXT: 180001000: 00000009     udf     #0x9
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// DISASM-NEXT: 180001004: 52800020     mov     w0, #0x1                // =1
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// DISASM-NEXT: 180001008: d65f03c0     ret
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// DISASM-NEXT: 18000100c: 52800140     mov     w0, #0xa                // =10
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// DISASM-NEXT: 180001010: d65f03c0     ret
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// RUN: llvm-readobj --sections out-simple.dll | FileCheck --check-prefix=HYBMP %s
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// HYBMP-NOT: .hybmp
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// RUN: lld-link -machine:arm64x -dll -noentry -out:out-simplex.dll loadcfg.obj test-simple.obj
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// RUN: llvm-objdump -d out-simplex.dll | FileCheck --check-prefix=DISASM %s
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#--- test-split-func.s
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// Build a simple function with an entry thunk, but pass it in multiple files.
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    .section .text,"xr",discard,func
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    .globl func
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    .p2align 2
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func:
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    mov w0, #1
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    ret
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#--- test-split-thunk.s
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    .section .wowthk$aa,"xr",discard,thunk
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    .globl thunk
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    .p2align 2
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thunk:
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    mov w0, #10
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    ret
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#--- test-split-hybmp.s
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    .section .hybmp$x, "yi"
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    .symidx func
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    .symidx thunk
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    .word 1  // entry thunk
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#--- test-split-data.s
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    .data
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    .rva func
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// RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-split-func.s -o test-split-func.obj
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// RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-split-thunk.s -o test-split-thunk.obj
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// RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-split-hybmp.s -o test-split-hybmp.obj
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// RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-split-data.s -o test-split-data.obj
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// RUN: lld-link -machine:arm64ec -dll -noentry -out:out-split.dll loadcfg.obj \
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// RUN:          test-split-func.obj test-split-thunk.obj test-split-data.obj test-split-hybmp.obj
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// RUN: llvm-objdump -d out-split.dll | FileCheck --check-prefix=DISASM %s
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#--- test-align.s
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// Build multiple functions with thunks and various alignments and check that entry thunk offsets
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// are correctly placed.
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    .section .text,"xr",discard,func
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    .globl func
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    .p2align 2
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func:
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    mov w0, #1
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    nop
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    ret
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    .section .text,"xr",discard,func2
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    .globl func2
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    .p2align 2
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func2:
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    mov w0, #2
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    ret
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    .section .text,"xr",discard,func3
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    .globl func3
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    .p2align 3
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func3:
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    mov w0, #3
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    nop
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    ret
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    .section .text,"xr",discard,func4
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    .globl func4
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    .p2align 3
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func4:
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    mov w0, #4
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    ret
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    .section .text,"xr",discard,func5
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    .globl func5
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    .p2align 3
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func5:
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    mov w0, #5
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    ret
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    .section .text,"xr",discard,func6
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    .globl func6
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    .p2align 4
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func6:
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    mov w0, #6
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    ret
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    .section .wowthk$aa,"xr",discard,thunk
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    .globl thunk
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    .p2align 2
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thunk:
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    mov w0, #10
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    ret
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    .section .wowthk$aa,"xr",discard,thunk2
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    .globl thunk2
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    .p2align 2
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thunk2:
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    mov w0, #20
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    ret
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    .section .hybmp$x, "yi"
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    .symidx func
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    .symidx thunk
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    .word 1  // entry thunk
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    .symidx func2
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    .symidx thunk2
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    .word 1  // entry thunk
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    .symidx func3
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    .symidx thunk
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    .word 1  // entry thunk
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    .symidx func4
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    .symidx thunk
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    .word 1  // entry thunk
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    .symidx func5
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    .symidx thunk
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    .word 1  // entry thunk
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    .symidx func6
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    .symidx thunk
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    .word 1  // entry thunk
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    .data
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    .rva func
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    .rva func2
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    .rva func3
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    .rva func4
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    .rva func5
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    .rva func6
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// RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-align.s -o test-align.obj
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// RUN: lld-link -machine:arm64ec -dll -noentry -out:out-align.dll loadcfg.obj test-align.obj
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// RUN: llvm-objdump -d out-align.dll | FileCheck --check-prefix=ALIGN %s
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// ALIGN:      Disassembly of section .text:
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// ALIGN-EMPTY:
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// ALIGN-NEXT: 0000000180001000 <.text>:
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// ALIGN-NEXT: 180001000: 00000055     udf     #0x55
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// ALIGN-NEXT: 180001004: 52800020     mov     w0, #0x1                // =1
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// ALIGN-NEXT: 180001008: d503201f     nop
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// ALIGN-NEXT: 18000100c: d65f03c0     ret
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// ALIGN-NEXT: 180001010: 0000004d     udf     #0x4d
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// ALIGN-NEXT: 180001014: 52800040     mov     w0, #0x2                // =2
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// ALIGN-NEXT: 180001018: d65f03c0     ret
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// ALIGN-NEXT: 18000101c: 00000039     udf     #0x39
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// ALIGN-NEXT: 180001020: 52800060     mov     w0, #0x3                // =3
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// ALIGN-NEXT: 180001024: d503201f     nop
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// ALIGN-NEXT: 180001028: d65f03c0     ret
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// ALIGN-NEXT: 18000102c: 00000029     udf     #0x29
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// ALIGN-NEXT: 180001030: 52800080     mov     w0, #0x4                // =4
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// ALIGN-NEXT: 180001034: d65f03c0     ret
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// ALIGN-NEXT: 180001038: 00000000     udf     #0x0
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// ALIGN-NEXT: 18000103c: 00000019     udf     #0x19
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// ALIGN-NEXT: 180001040: 528000a0     mov     w0, #0x5                // =5
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// ALIGN-NEXT: 180001044: d65f03c0     ret
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// ALIGN-NEXT: 180001048: 00000000     udf     #0x0
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// ALIGN-NEXT: 18000104c: 00000009     udf     #0x9
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// ALIGN-NEXT: 180001050: 528000c0     mov     w0, #0x6                // =6
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// ALIGN-NEXT: 180001054: d65f03c0     ret
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// ALIGN-NEXT: 180001058: 52800140     mov     w0, #0xa                // =10
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// ALIGN-NEXT: 18000105c: d65f03c0     ret
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// ALIGN-NEXT: 180001060: 52800280     mov     w0, #0x14               // =20
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// ALIGN-NEXT: 180001064: d65f03c0     ret
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#--- test-icf-thunk.s
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// Build two functions with identical entry thunks and check that thunks are merged by ICF.
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    .section .text,"xr",discard,func
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    .globl func
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    .p2align 2
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func:
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    mov w0, #1
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    ret
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    .section .text,"xr",discard,func2
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    .globl func2
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    .p2align 2
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func2:
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    mov w0, #2
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    ret
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    .section .wowthk$aa,"xr",discard,thunk
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    .globl thunk
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    .p2align 2
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thunk:
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    mov w0, #10
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    ret
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    .section .wowthk$aa,"xr",discard,thunk2
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    .globl thunk2
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    .p2align 2
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thunk2:
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    mov w0, #10
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    ret
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    .section .hybmp$x, "yi"
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    .symidx func
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    .symidx thunk
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    .word 1  // entry thunk
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    .symidx func2
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    .symidx thunk2
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    .word 1  // entry thunk
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    .data
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    .rva func
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    .rva func2
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// RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-icf-thunk.s -o test-icf-thunk.obj
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// RUN: lld-link -machine:arm64ec -dll -noentry -out:out-icf-thunk.dll loadcfg.obj test-icf-thunk.obj
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// RUN: llvm-objdump -d out-icf-thunk.dll | FileCheck --check-prefix=ICF-THUNK %s
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// ICF-THUNK:      Disassembly of section .text:
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// ICF-THUNK-EMPTY:
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// ICF-THUNK-NEXT: 0000000180001000 <.text>:
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// ICF-THUNK-NEXT: 180001000: 00000015     udf     #0x15
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// ICF-THUNK-NEXT: 180001004: 52800020     mov     w0, #0x1                // =1
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// ICF-THUNK-NEXT: 180001008: d65f03c0     ret
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// ICF-THUNK-NEXT: 18000100c: 00000009     udf     #0x9
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// ICF-THUNK-NEXT: 180001010: 52800040     mov     w0, #0x2                // =2
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// ICF-THUNK-NEXT: 180001014: d65f03c0     ret
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// ICF-THUNK-NEXT: 180001018: 52800140     mov     w0, #0xa                // =10
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// ICF-THUNK-NEXT: 18000101c: d65f03c0     ret
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#--- test-icf-diff-thunk.s
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// Build two identical functions with different entry thunks and check that they are not merged by ICF.
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    .section .text,"xr",discard,func
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    .globl func
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    .p2align 2
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func:
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    mov w0, #1
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    ret
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    .section .text,"xr",discard,func2
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    .globl func2
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    .p2align 2
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func2:
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    mov w0, #1
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    ret
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    .section .wowthk$aa,"xr",discard,thunk
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    .globl thunk
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    .p2align 2
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thunk:
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    mov w0, #10
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    ret
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    .section .wowthk$aa,"xr",discard,thunk2
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    .globl thunk2
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    .p2align 2
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thunk2:
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    mov w0, #20
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    ret
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    .section .hybmp$x, "yi"
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    .symidx func
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    .symidx thunk
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    .word 1  // entry thunk
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    .symidx func2
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    .symidx thunk2
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    .word 1  // entry thunk
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    .data
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    .rva func
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    .rva func2
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// RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-icf-diff-thunk.s -o test-icf-diff-thunk.obj
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// RUN: lld-link -machine:arm64ec -dll -noentry -out:out-icf-diff-thunk.dll loadcfg.obj test-icf-diff-thunk.obj
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// RUN: llvm-objdump -d out-icf-diff-thunk.dll | FileCheck --check-prefix=ICF-DIFF-THUNK %s
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// ICF-DIFF-THUNK:      Disassembly of section .text:
316
// ICF-DIFF-THUNK-EMPTY:
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// ICF-DIFF-THUNK-NEXT: 0000000180001000 <.text>:
318
// ICF-DIFF-THUNK-NEXT: 180001000: 00000015     udf     #0x15
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// ICF-DIFF-THUNK-NEXT: 180001004: 52800020     mov     w0, #0x1                // =1
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// ICF-DIFF-THUNK-NEXT: 180001008: d65f03c0     ret
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// ICF-DIFF-THUNK-NEXT: 18000100c: 00000011     udf     #0x11
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// ICF-DIFF-THUNK-NEXT: 180001010: 52800020     mov     w0, #0x1                // =1
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// ICF-DIFF-THUNK-NEXT: 180001014: d65f03c0     ret
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// ICF-DIFF-THUNK-NEXT: 180001018: 52800140     mov     w0, #0xa                // =10
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// ICF-DIFF-THUNK-NEXT: 18000101c: d65f03c0     ret
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// ICF-DIFF-THUNK-NEXT: 180001020: 52800280     mov     w0, #0x14               // =20
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// ICF-DIFF-THUNK-NEXT: 180001024: d65f03c0     ret
328


329
#--- test-icf-both.s
330
// Build two identical functions with identical entry thunks and check that they are merged by ICF.
331


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    .section .text,"xr",discard,func
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    .globl func
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    .p2align 2
335
func:
336
    mov w0, #1
337
    ret
338


339
    .section .text,"xr",discard,func2
340
    .globl func2
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    .p2align 2
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func2:
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    mov w0, #1
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    ret
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    .section .wowthk$aa,"xr",discard,thunk
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    .globl thunk
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    .p2align 2
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thunk:
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    mov w0, #10
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    ret
352


353
    .section .wowthk$aa,"xr",discard,thunk2
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    .globl thunk2
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    .p2align 2
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thunk2:
357
    mov w0, #10
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    ret
359


360
    .section .hybmp$x, "yi"
361
    .symidx func
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    .symidx thunk
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    .word 1  // entry thunk
364
    .symidx func2
365
    .symidx thunk2
366
    .word 1  // entry thunk
367


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    .data
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    .rva func
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    .rva func2
371


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// RUN: llvm-mc -filetype=obj -triple=arm64ec-windows test-icf-both.s -o test-icf-both.obj
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// RUN: lld-link -machine:arm64ec -dll -noentry -out:out-icf-both.dll loadcfg.obj test-icf-both.obj
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// RUN: llvm-objdump -d out-icf-both.dll | FileCheck --check-prefix=DISASM %s
375


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