| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text. |
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| 4 | * Here we can supply some information useful to userland. |
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| 5 | */ |
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| 6 | |
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| 7 | #include <linux/uts.h> |
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| 8 | #include <linux/version.h> |
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| 9 | |
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| 10 | #define ASM_ELF_NOTE_BEGIN(name, flags, vendor, type) \ |
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| 11 | .section name, flags; \ |
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| 12 | .balign 4; \ |
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| 13 | .long 1f - 0f; /* name length */ \ |
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| 14 | .long 3f - 2f; /* data length */ \ |
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| 15 | .long type; /* note type */ \ |
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| 16 | 0: .asciz vendor; /* vendor name */ \ |
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| 17 | 1: .balign 4; \ |
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| 18 | 2: |
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| 19 | |
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| 20 | #define ASM_ELF_NOTE_END \ |
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| 21 | 3: .balign 4; /* pad out section */ \ |
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| 22 | .previous |
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| 23 | |
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| 24 | ASM_ELF_NOTE_BEGIN(".note.kernel-version" , "a" , UTS_SYSNAME, 0) |
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| 25 | .long LINUX_VERSION_CODE |
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| 26 | ASM_ELF_NOTE_END |
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| 27 | |
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