ddidderr/zstd-rs
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x86-64: Hide internal assembly functions

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Hide x86-64 internal assembly functions. Before

$ nm -D lib/libzstd.so.1 | grep usingDTable_internal_bmi2_asm_loop
00000000000c23c0 T _HUF_decompress4X1_usingDTable_internal_bmi2_asm_loop
00000000000c23c0 T HUF_decompress4X1_usingDTable_internal_bmi2_asm_loop
00000000000c283d T _HUF_decompress4X2_usingDTable_internal_bmi2_asm_loop
00000000000c283d T HUF_decompress4X2_usingDTable_internal_bmi2_asm_loop
$

After

$ nm -D lib/libzstd.so.1 | grep usingDTable_internal_bmi2_asm_loop
$

This fixes issue #2990.
This commit is contained in:
H.J. Lu
2022-01-11 10:12:24 -08:00
parent 5f2c3d9720
commit 568c69a4eb
3 changed files with 12 additions and 2 deletions
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lib/decompress/huf_decompress_amd64.S
+4
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@@ -30,6 +30,10 @@
* TODO: Support Windows calling convention.
*/
ZSTD_HIDE_ASM_FUNCTION(HUF_decompress4X1_usingDTable_internal_bmi2_asm_loop)
ZSTD_HIDE_ASM_FUNCTION(HUF_decompress4X2_usingDTable_internal_bmi2_asm_loop)
ZSTD_HIDE_ASM_FUNCTION(_HUF_decompress4X2_usingDTable_internal_bmi2_asm_loop)
ZSTD_HIDE_ASM_FUNCTION(_HUF_decompress4X1_usingDTable_internal_bmi2_asm_loop)
.global HUF_decompress4X1_usingDTable_internal_bmi2_asm_loop
.global HUF_decompress4X2_usingDTable_internal_bmi2_asm_loop
.global _HUF_decompress4X1_usingDTable_internal_bmi2_asm_loop