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liblzma: Enable Intel CET in x86 CRC assembly codes
When Intel CET is enabled, we need to include <cet.h> in assembly codes to mark Intel CET support and add _CET_ENDBR to indirect jump targets. Tested on Intel Tiger Lake under CET enabled Linux.
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2 changed files with 18 additions and 0 deletions
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@ -51,6 +51,14 @@ init_table(void)
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* extern uint32_t lzma_crc32(const uint8_t *buf, size_t size, uint32_t crc);
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*/
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/* When Intel CET is enabled, include <cet.h> in assembly code to mark
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Intel CET support. */
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#ifdef __CET__
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# include <cet.h>
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#else
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# define _CET_ENDBR
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#endif
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/*
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* On some systems, the functions need to be prefixed. The prefix is
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* usually an underscore.
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@ -83,6 +91,7 @@ init_table(void)
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ALIGN(4, 16)
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LZMA_CRC32:
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_CET_ENDBR
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/*
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* Register usage:
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* %eax crc
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@ -41,6 +41,14 @@ init_table(void)
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* extern uint64_t lzma_crc64(const uint8_t *buf, size_t size, uint64_t crc);
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*/
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/* When Intel CET is enabled, include <cet.h> in assembly code to mark
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Intel CET support. */
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#ifdef __CET__
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# include <cet.h>
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#else
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# define _CET_ENDBR
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#endif
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/*
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* On some systems, the functions need to be prefixed. The prefix is
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* usually an underscore.
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@ -73,6 +81,7 @@ init_table(void)
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ALIGN(4, 16)
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LZMA_CRC64:
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_CET_ENDBR
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/*
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* Register usage:
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* %eax crc LSB
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