Commit 20aec23
src: add Intel CET properties to large_pages.S
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: #59363
Refs: #59084
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <richard.lau@ibm.com>1 parent a5ed96b commit 20aec23
1 file changed
Lines changed: 21 additions & 0 deletions
| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
@@ -1,6 +1,27 @@ | |||
| 1 | 1 | #if defined(__ELF__) | |
| 2 | 2 | .section .note.GNU-stack,"",%progbits | |
| 3 | 3 | #endif | |
| 4 | + // Add .note.gnu.property note for x86_64 to enable Intel CET | ||
| 5 | + // Based on: https://sourceware.org/annobin/annobin.html/Test-cf-protection.html | ||
| 6 | + // Refs: https://github.com/nodejs/node/issues/59084 | ||
| 7 | + #if defined(__x86_64__) || defined(_M_X64) | ||
| 8 | + .section .note.gnu.property,"a" | ||
| 9 | + .align 8 | ||
| 10 | + .long 1f - 0f | ||
| 11 | + .long 4f - 1f | ||
| 12 | + .long 5 | ||
| 13 | + 0: | ||
| 14 | + .string "GNU" | ||
| 15 | + 1: | ||
| 16 | + .align 8 | ||
| 17 | + .long 0xc0000002 | ||
| 18 | + .long 3f - 2f | ||
| 19 | + 2: | ||
| 20 | + .long 0x3 | ||
| 21 | + 3: | ||
| 22 | + .align 8 | ||
| 23 | + 4: | ||
| 24 | + #endif | ||
| 4 | 25 | .text | |
| 5 | 26 | .align 0x2000 | |
| 6 | 27 | .global __node_text_start | |
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