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src: add Intel CET properties to large_pages.S

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Add note indicating support of Intel CET for large_pages.S file based on annocheck guide: https://sourceware.org/annobin/annobin.html/Test-cf-protection.html

PR-URL: https://github.com/nodejs/node/pull/59363
Refs: https://github.com/nodejs/node/issues/59084
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <richard.lau@ibm.com>
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tjuhaszrh 2025-08-13 03:52:07 +02:00 • committed by GitHub
parent db18bc865a
commit bb6e8351c7
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21
src/large_pages/node_text_start.S
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@ -1,6 +1,27 @@
#if defined(__ELF__)
.section .note.GNU-stack,"",%progbits
#endif
// Add .note.gnu.property note for x86_64 to enable Intel CET
// Based on: https://sourceware.org/annobin/annobin.html/Test-cf-protection.html
// Refs: https://github.com/nodejs/node/issues/59084
#if defined(__x86_64__) || defined(_M_X64)
.section .note.gnu.property,"a"
.align 8
.long 1f - 0f
.long 4f - 1f
.long 5
0:
.string "GNU"
1:
.align 8
.long 0xc0000002
.long 3f - 2f
2:
.long 0x3
3:
.align 8
4:
#endif
.text
.align 0x2000
.global __node_text_start