diff options
author | H.J. Lu <hjl.tools@gmail.com> | 2018-07-18 06:39:32 -0700 |
---|---|---|
committer | H.J. Lu <hjl.tools@gmail.com> | 2018-07-18 06:39:46 -0700 |
commit | 03aaf49b68d380492a7e7459817c6e926f96f0ef (patch) | |
tree | 378a06756ebe1ec6f89a3020ccf2c3b25d3af704 | |
parent | 811e9e52b2bd2fb59b981b174ad30489d2574081 (diff) | |
download | glibc-03aaf49b68d380492a7e7459817c6e926f96f0ef.tar glibc-03aaf49b68d380492a7e7459817c6e926f96f0ef.tar.gz glibc-03aaf49b68d380492a7e7459817c6e926f96f0ef.tar.bz2 glibc-03aaf49b68d380492a7e7459817c6e926f96f0ef.zip |
x86-64: Use _CET_NOTRACK in memcpy-ssse3.S
* sysdeps/x86_64/multiarch/memcpy-ssse3.S
(BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump
to jump table.
(MEMCPY): Likewise.
-rw-r--r-- | ChangeLog | 7 | ||||
-rw-r--r-- | sysdeps/x86_64/multiarch/memcpy-ssse3.S | 124 |
2 files changed, 69 insertions, 62 deletions
@@ -1,5 +1,12 @@ 2018-07-18 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/x86_64/multiarch/memcpy-ssse3.S + (BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump + to jump table. + (MEMCPY): Likewise. + +2018-07-18 H.J. Lu <hongjiu.lu@intel.com> + * sysdeps/x86_64/multiarch/memcpy-ssse3-back.S (BRANCH_TO_JMPTBL_ENTRY): Add _CET_NOTRACK before indirect jump to jump table. diff --git a/sysdeps/x86_64/multiarch/memcpy-ssse3.S b/sysdeps/x86_64/multiarch/memcpy-ssse3.S index 5dd209034b..0240bfa309 100644 --- a/sysdeps/x86_64/multiarch/memcpy-ssse3.S +++ b/sysdeps/x86_64/multiarch/memcpy-ssse3.S @@ -39,7 +39,7 @@ lea TABLE(%rip), %r11; \ movslq (%r11, INDEX, SCALE), INDEX; \ lea (%r11, INDEX), INDEX; \ - jmp *INDEX; \ + _CET_NOTRACK jmp *INDEX; \ ud2 .section .text.ssse3,"ax",@progbits @@ -86,7 +86,7 @@ L(start): add %rdx, %rsi add %rdx, %rdi add %r11, %r9 - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 .p2align 4 @@ -441,7 +441,7 @@ L(shl_1): lea (L(shl_1_loop_L2)-L(shl_1_loop_L1))(%r9), %r9 L(L1_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_1_loop_L2): prefetchnta 0x1c0(%rsi) @@ -464,7 +464,7 @@ L(shl_1_loop_L1): jb L(shl_1_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_1_end): movaps %xmm4, -0x20(%rdi) @@ -484,7 +484,7 @@ L(shl_1_bwd): lea (L(shl_1_bwd_loop_L2)-L(shl_1_bwd_loop_L1))(%r9), %r9 L(L1_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_1_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -509,7 +509,7 @@ L(shl_1_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_1_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_1_bwd_end): movaps %xmm4, (%rdi) @@ -526,7 +526,7 @@ L(shl_2): lea (L(shl_2_loop_L2)-L(shl_2_loop_L1))(%r9), %r9 L(L2_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_2_loop_L2): prefetchnta 0x1c0(%rsi) @@ -549,7 +549,7 @@ L(shl_2_loop_L1): jb L(shl_2_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_2_end): movaps %xmm4, -0x20(%rdi) @@ -569,7 +569,7 @@ L(shl_2_bwd): lea (L(shl_2_bwd_loop_L2)-L(shl_2_bwd_loop_L1))(%r9), %r9 L(L2_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_2_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -594,7 +594,7 @@ L(shl_2_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_2_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_2_bwd_end): movaps %xmm4, (%rdi) @@ -611,7 +611,7 @@ L(shl_3): lea (L(shl_3_loop_L2)-L(shl_3_loop_L1))(%r9), %r9 L(L3_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_3_loop_L2): prefetchnta 0x1c0(%rsi) @@ -634,7 +634,7 @@ L(shl_3_loop_L1): jb L(shl_3_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_3_end): movaps %xmm4, -0x20(%rdi) @@ -654,7 +654,7 @@ L(shl_3_bwd): lea (L(shl_3_bwd_loop_L2)-L(shl_3_bwd_loop_L1))(%r9), %r9 L(L3_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_3_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -679,7 +679,7 @@ L(shl_3_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_3_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_3_bwd_end): movaps %xmm4, (%rdi) @@ -696,7 +696,7 @@ L(shl_4): lea (L(shl_4_loop_L2)-L(shl_4_loop_L1))(%r9), %r9 L(L4_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_4_loop_L2): prefetchnta 0x1c0(%rsi) @@ -719,7 +719,7 @@ L(shl_4_loop_L1): jb L(shl_4_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_4_end): movaps %xmm4, -0x20(%rdi) @@ -739,7 +739,7 @@ L(shl_4_bwd): lea (L(shl_4_bwd_loop_L2)-L(shl_4_bwd_loop_L1))(%r9), %r9 L(L4_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_4_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -764,7 +764,7 @@ L(shl_4_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_4_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_4_bwd_end): movaps %xmm4, (%rdi) @@ -781,7 +781,7 @@ L(shl_5): lea (L(shl_5_loop_L2)-L(shl_5_loop_L1))(%r9), %r9 L(L5_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_5_loop_L2): prefetchnta 0x1c0(%rsi) @@ -804,7 +804,7 @@ L(shl_5_loop_L1): jb L(shl_5_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_5_end): movaps %xmm4, -0x20(%rdi) @@ -824,7 +824,7 @@ L(shl_5_bwd): lea (L(shl_5_bwd_loop_L2)-L(shl_5_bwd_loop_L1))(%r9), %r9 L(L5_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_5_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -849,7 +849,7 @@ L(shl_5_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_5_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_5_bwd_end): movaps %xmm4, (%rdi) @@ -866,7 +866,7 @@ L(shl_6): lea (L(shl_6_loop_L2)-L(shl_6_loop_L1))(%r9), %r9 L(L6_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_6_loop_L2): prefetchnta 0x1c0(%rsi) @@ -889,7 +889,7 @@ L(shl_6_loop_L1): jb L(shl_6_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_6_end): movaps %xmm4, -0x20(%rdi) @@ -909,7 +909,7 @@ L(shl_6_bwd): lea (L(shl_6_bwd_loop_L2)-L(shl_6_bwd_loop_L1))(%r9), %r9 L(L6_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_6_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -934,7 +934,7 @@ L(shl_6_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_6_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_6_bwd_end): movaps %xmm4, (%rdi) @@ -951,7 +951,7 @@ L(shl_7): lea (L(shl_7_loop_L2)-L(shl_7_loop_L1))(%r9), %r9 L(L7_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_7_loop_L2): prefetchnta 0x1c0(%rsi) @@ -974,7 +974,7 @@ L(shl_7_loop_L1): jb L(shl_7_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_7_end): movaps %xmm4, -0x20(%rdi) @@ -994,7 +994,7 @@ L(shl_7_bwd): lea (L(shl_7_bwd_loop_L2)-L(shl_7_bwd_loop_L1))(%r9), %r9 L(L7_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_7_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -1019,7 +1019,7 @@ L(shl_7_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_7_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_7_bwd_end): movaps %xmm4, (%rdi) @@ -1036,7 +1036,7 @@ L(shl_8): lea (L(shl_8_loop_L2)-L(shl_8_loop_L1))(%r9), %r9 L(L8_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 L(shl_8_loop_L2): prefetchnta 0x1c0(%rsi) L(shl_8_loop_L1): @@ -1058,7 +1058,7 @@ L(shl_8_loop_L1): jb L(shl_8_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 .p2align 4 L(shl_8_end): @@ -1079,7 +1079,7 @@ L(shl_8_bwd): lea (L(shl_8_bwd_loop_L2)-L(shl_8_bwd_loop_L1))(%r9), %r9 L(L8_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_8_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -1104,7 +1104,7 @@ L(shl_8_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_8_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_8_bwd_end): movaps %xmm4, (%rdi) @@ -1121,7 +1121,7 @@ L(shl_9): lea (L(shl_9_loop_L2)-L(shl_9_loop_L1))(%r9), %r9 L(L9_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_9_loop_L2): prefetchnta 0x1c0(%rsi) @@ -1144,7 +1144,7 @@ L(shl_9_loop_L1): jb L(shl_9_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_9_end): movaps %xmm4, -0x20(%rdi) @@ -1164,7 +1164,7 @@ L(shl_9_bwd): lea (L(shl_9_bwd_loop_L2)-L(shl_9_bwd_loop_L1))(%r9), %r9 L(L9_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_9_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -1189,7 +1189,7 @@ L(shl_9_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_9_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_9_bwd_end): movaps %xmm4, (%rdi) @@ -1206,7 +1206,7 @@ L(shl_10): lea (L(shl_10_loop_L2)-L(shl_10_loop_L1))(%r9), %r9 L(L10_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_10_loop_L2): prefetchnta 0x1c0(%rsi) @@ -1229,7 +1229,7 @@ L(shl_10_loop_L1): jb L(shl_10_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_10_end): movaps %xmm4, -0x20(%rdi) @@ -1249,7 +1249,7 @@ L(shl_10_bwd): lea (L(shl_10_bwd_loop_L2)-L(shl_10_bwd_loop_L1))(%r9), %r9 L(L10_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_10_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -1274,7 +1274,7 @@ L(shl_10_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_10_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_10_bwd_end): movaps %xmm4, (%rdi) @@ -1291,7 +1291,7 @@ L(shl_11): lea (L(shl_11_loop_L2)-L(shl_11_loop_L1))(%r9), %r9 L(L11_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_11_loop_L2): prefetchnta 0x1c0(%rsi) @@ -1314,7 +1314,7 @@ L(shl_11_loop_L1): jb L(shl_11_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_11_end): movaps %xmm4, -0x20(%rdi) @@ -1334,7 +1334,7 @@ L(shl_11_bwd): lea (L(shl_11_bwd_loop_L2)-L(shl_11_bwd_loop_L1))(%r9), %r9 L(L11_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_11_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -1359,7 +1359,7 @@ L(shl_11_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_11_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_11_bwd_end): movaps %xmm4, (%rdi) @@ -1376,7 +1376,7 @@ L(shl_12): lea (L(shl_12_loop_L2)-L(shl_12_loop_L1))(%r9), %r9 L(L12_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_12_loop_L2): prefetchnta 0x1c0(%rsi) @@ -1399,7 +1399,7 @@ L(shl_12_loop_L1): jb L(shl_12_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_12_end): movaps %xmm4, -0x20(%rdi) @@ -1419,7 +1419,7 @@ L(shl_12_bwd): lea (L(shl_12_bwd_loop_L2)-L(shl_12_bwd_loop_L1))(%r9), %r9 L(L12_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_12_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -1444,7 +1444,7 @@ L(shl_12_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_12_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_12_bwd_end): movaps %xmm4, (%rdi) @@ -1461,7 +1461,7 @@ L(shl_13): lea (L(shl_13_loop_L2)-L(shl_13_loop_L1))(%r9), %r9 L(L13_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_13_loop_L2): prefetchnta 0x1c0(%rsi) @@ -1484,7 +1484,7 @@ L(shl_13_loop_L1): jb L(shl_13_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_13_end): movaps %xmm4, -0x20(%rdi) @@ -1504,7 +1504,7 @@ L(shl_13_bwd): lea (L(shl_13_bwd_loop_L2)-L(shl_13_bwd_loop_L1))(%r9), %r9 L(L13_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_13_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -1529,7 +1529,7 @@ L(shl_13_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_13_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_13_bwd_end): movaps %xmm4, (%rdi) @@ -1546,7 +1546,7 @@ L(shl_14): lea (L(shl_14_loop_L2)-L(shl_14_loop_L1))(%r9), %r9 L(L14_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_14_loop_L2): prefetchnta 0x1c0(%rsi) @@ -1569,7 +1569,7 @@ L(shl_14_loop_L1): jb L(shl_14_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_14_end): movaps %xmm4, -0x20(%rdi) @@ -1589,7 +1589,7 @@ L(shl_14_bwd): lea (L(shl_14_bwd_loop_L2)-L(shl_14_bwd_loop_L1))(%r9), %r9 L(L14_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_14_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -1614,7 +1614,7 @@ L(shl_14_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_14_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_14_bwd_end): movaps %xmm4, (%rdi) @@ -1631,7 +1631,7 @@ L(shl_15): lea (L(shl_15_loop_L2)-L(shl_15_loop_L1))(%r9), %r9 L(L15_fwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_15_loop_L2): prefetchnta 0x1c0(%rsi) @@ -1654,7 +1654,7 @@ L(shl_15_loop_L1): jb L(shl_15_end) movaps %xmm4, -0x20(%rdi) movaps %xmm5, -0x10(%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_15_end): movaps %xmm4, -0x20(%rdi) @@ -1674,7 +1674,7 @@ L(shl_15_bwd): lea (L(shl_15_bwd_loop_L2)-L(shl_15_bwd_loop_L1))(%r9), %r9 L(L15_bwd): lea -64(%rdx), %rdx - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_15_bwd_loop_L2): prefetchnta -0x1c0(%rsi) @@ -1699,7 +1699,7 @@ L(shl_15_bwd_loop_L1): movaps %xmm3, 0x10(%rdi) jb L(shl_15_bwd_end) movaps %xmm4, (%rdi) - jmp *%r9 + _CET_NOTRACK jmp *%r9 ud2 L(shl_15_bwd_end): movaps %xmm4, (%rdi) |