| 1 | /* Dummy crti file. |
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| 2 | |
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| 3 | In this configuration, crti.o and crtn.o are both empty because the |
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| 4 | .init_array/.fini_array sections are used exclusively. |
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| 5 | |
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| 6 | Older ports cannot use this because even if the linker used to |
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| 7 | build libc itself has .init_array support, we don't want to produce |
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| 8 | a crt[in].o that presume a linker that new will be used to link |
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| 9 | other things later. |
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| 10 | |
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| 11 | But new configurations without compatibility concerns for |
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| 12 | toolchains without .init_array support can use this to avoid the |
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| 13 | superfluous .init and .fini boilerplate code. */ |
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| 14 | |
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| 15 | #include <elf-initfini.h> |
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| 16 | |
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| 17 | #if ELF_INITFINI |
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| 18 | # error Cannot use default crti.S because it lacks _init code |
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| 19 | #endif |
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| 20 | |
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| 21 | #ifdef PREINIT_FUNCTION |
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| 22 | |
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| 23 | # if PREINIT_FUNCTION_WEAK |
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| 24 | # error PREINIT_FUNCTION_WEAK is unsupported |
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| 25 | # endif |
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| 26 | |
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| 27 | /* This arranges for PREINIT_FUNCTION to be called upon loading a library that |
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| 28 | contains crti.o. */ |
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| 29 | |
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| 30 | .section .init_array,"a" ,%init_array |
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| 31 | .dc.a PREINIT_FUNCTION |
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| 32 | |
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| 33 | #endif |
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| 34 | |
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