| 1 | // Test that basic ELF static initializers work. The main function in this |
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| 2 | // test returns the value of 'x', which is initially 1 in the data section, |
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| 3 | // and reset to 0 if the _static_init function is run. If the static initializer |
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| 4 | // does not run then main will return 1, causing the test to be treated as a |
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| 5 | // failure. |
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| 6 | // |
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| 7 | // RUN: %clang -c -o %t %s |
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| 8 | // RUN: %llvm_jitlink %t |
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| 9 | |
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| 10 | .text |
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| 11 | |
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| 12 | .globl main |
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| 13 | .p2align 4, 0x90 |
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| 14 | main: # @main |
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| 15 | movq x@GOTPCREL(%rip), %rax |
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| 16 | movl (%rax), %eax |
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| 17 | retq |
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| 18 | |
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| 19 | # static initializer sets the value of 'x' to zero. |
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| 20 | |
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| 21 | .p2align 4, 0x90 |
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| 22 | static_init: |
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| 23 | movq x@GOTPCREL(%rip), %rax |
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| 24 | movl $0, (%rax) |
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| 25 | retq |
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| 26 | |
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| 27 | .data |
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| 28 | .globl x |
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| 29 | .p2align 2 |
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| 30 | x: |
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| 31 | .long 1 |
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| 32 | .size x, 4 |
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| 33 | |
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| 34 | .section .init_array,"aw" ,@init_array |
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| 35 | .p2align 3 |
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| 36 | .quad static_init |
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| 37 | |
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