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Mark Huffman Decoder Assembly noexecstack on All Architectures #2964

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merged 6 commits into from
Jan 5, 2022
Merged

Mark Huffman Decoder Assembly noexecstack on All Architectures #2964

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9a9d1ec
Mark Huffman Decoder Assembly `noexecstack` on All Architectures
felixhandte Dec 30, 2021
35208f7
Add Test Validating Stack is not Executable in playTests.sh
felixhandte Dec 30, 2021
4620ce6
Makefiles: Add `noexecstack` Options to Compilation and Linking
felixhandte Jan 5, 2022
b12eddd
Write `GNU-stack` Section on All ELF Architectures
felixhandte Jan 5, 2022
ef1f9e8
Restrict `GNU-stack` Note to GNU Assemblers
felixhandte Jan 5, 2022
ff5d1da
Clean Up Debugging Statements
felixhandte Jan 5, 2022
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4 changes: 2 additions & 2 deletions lib/decompress/huf_decompress_amd64.S
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Original file line number Diff line number Diff line change
@@ -1,14 +1,14 @@
#include "../common/portability_macros.h"

#if ZSTD_ENABLE_ASM_X86_64_BMI2

/* Stack marking
* ref: https://wiki.gentoo.org/wiki/Hardened/GNU_stack_quickstart
*/
#if defined(__linux__) && defined(__ELF__)
.section .note.GNU-stack,"",%progbits
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#endif

#if ZSTD_ENABLE_ASM_X86_64_BMI2

/* Calling convention:
*
* %rdi contains the first argument: HUF_DecompressAsmArgs*.
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