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authorIan Lance Taylor <ian@airs.com>2009-07-21 05:22:54 +0000
committerIan Lance Taylor <ian@airs.com>2009-07-21 05:22:54 +0000
commit1caf2c519abe91ba39180d491e176c38c77ba61c (patch)
treeb5672a0d6ac2db1142719d0ceb216ba8f8d5518b /gold/x86_64.cc
parent7a01c6e0837f09cb0fe23e1d72cd4e303107f85d (diff)
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PR 10419
* x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
Diffstat (limited to 'gold/x86_64.cc')
-rw-r--r--gold/x86_64.cc52
1 files changed, 26 insertions, 26 deletions
diff --git a/gold/x86_64.cc b/gold/x86_64.cc
index 91b542e..22d5cc6 100644
--- a/gold/x86_64.cc
+++ b/gold/x86_64.cc
@@ -2620,40 +2620,40 @@ Target_x86_64::do_code_fill(section_size_type length) const
// Nop sequences of various lengths.
const char nop1[1] = { 0x90 }; // nop
const char nop2[2] = { 0x66, 0x90 }; // xchg %ax %ax
- const char nop3[3] = { 0x8d, 0x76, 0x00 }; // leal 0(%esi),%esi
- const char nop4[4] = { 0x8d, 0x74, 0x26, 0x00}; // leal 0(%esi,1),%esi
- const char nop5[5] = { 0x90, 0x8d, 0x74, 0x26, // nop
- 0x00 }; // leal 0(%esi,1),%esi
- const char nop6[6] = { 0x8d, 0xb6, 0x00, 0x00, // leal 0L(%esi),%esi
+ const char nop3[3] = { 0x0f, 0x1f, 0x00 }; // nop (%rax)
+ const char nop4[4] = { 0x0f, 0x1f, 0x40, 0x00}; // nop 0(%rax)
+ const char nop5[5] = { 0x0f, 0x1f, 0x44, 0x00, // nop 0(%rax,%rax,1)
+ 0x00 };
+ const char nop6[6] = { 0x66, 0x0f, 0x1f, 0x44, // nopw 0(%rax,%rax,1)
0x00, 0x00 };
- const char nop7[7] = { 0x8d, 0xb4, 0x26, 0x00, // leal 0L(%esi,1),%esi
+ const char nop7[7] = { 0x0f, 0x1f, 0x80, 0x00, // nopl 0L(%rax)
0x00, 0x00, 0x00 };
- const char nop8[8] = { 0x90, 0x8d, 0xb4, 0x26, // nop
- 0x00, 0x00, 0x00, 0x00 }; // leal 0L(%esi,1),%esi
- const char nop9[9] = { 0x89, 0xf6, 0x8d, 0xbc, // movl %esi,%esi
- 0x27, 0x00, 0x00, 0x00, // leal 0L(%edi,1),%edi
+ const char nop8[8] = { 0x0f, 0x1f, 0x84, 0x00, // nopl 0L(%rax,%rax,1)
+ 0x00, 0x00, 0x00, 0x00 };
+ const char nop9[9] = { 0x66, 0x0f, 0x1f, 0x84, // nopw 0L(%rax,%rax,1)
+ 0x00, 0x00, 0x00, 0x00,
0x00 };
- const char nop10[10] = { 0x8d, 0x76, 0x00, 0x8d, // leal 0(%esi),%esi
- 0xbc, 0x27, 0x00, 0x00, // leal 0L(%edi,1),%edi
+ const char nop10[10] = { 0x66, 0x2e, 0x0f, 0x1f, // nopw %cs:0L(%rax,%rax,1)
+ 0x84, 0x00, 0x00, 0x00,
0x00, 0x00 };
- const char nop11[11] = { 0x8d, 0x74, 0x26, 0x00, // leal 0(%esi,1),%esi
- 0x8d, 0xbc, 0x27, 0x00, // leal 0L(%edi,1),%edi
+ const char nop11[11] = { 0x66, 0x66, 0x2e, 0x0f, // data16
+ 0x1f, 0x84, 0x00, 0x00, // nopw %cs:0L(%rax,%rax,1)
0x00, 0x00, 0x00 };
- const char nop12[12] = { 0x8d, 0xb6, 0x00, 0x00, // leal 0L(%esi),%esi
- 0x00, 0x00, 0x8d, 0xbf, // leal 0L(%edi),%edi
+ const char nop12[12] = { 0x66, 0x66, 0x66, 0x2e, // data16; data16
+ 0x0f, 0x1f, 0x84, 0x00, // nopw %cs:0L(%rax,%rax,1)
0x00, 0x00, 0x00, 0x00 };
- const char nop13[13] = { 0x8d, 0xb6, 0x00, 0x00, // leal 0L(%esi),%esi
- 0x00, 0x00, 0x8d, 0xbc, // leal 0L(%edi,1),%edi
- 0x27, 0x00, 0x00, 0x00,
+ const char nop13[13] = { 0x66, 0x66, 0x66, 0x66, // data16; data16; data16
+ 0x2e, 0x0f, 0x1f, 0x84, // nopw %cs:0L(%rax,%rax,1)
+ 0x00, 0x00, 0x00, 0x00,
0x00 };
- const char nop14[14] = { 0x8d, 0xb4, 0x26, 0x00, // leal 0L(%esi,1),%esi
- 0x00, 0x00, 0x00, 0x8d, // leal 0L(%edi,1),%edi
- 0xbc, 0x27, 0x00, 0x00,
+ const char nop14[14] = { 0x66, 0x66, 0x66, 0x66, // data16; data16; data16
+ 0x66, 0x2e, 0x0f, 0x1f, // data16
+ 0x84, 0x00, 0x00, 0x00, // nopw %cs:0L(%rax,%rax,1)
0x00, 0x00 };
- const char nop15[15] = { 0xeb, 0x0d, 0x90, 0x90, // jmp .+15
- 0x90, 0x90, 0x90, 0x90, // nop,nop,nop,...
- 0x90, 0x90, 0x90, 0x90,
- 0x90, 0x90, 0x90 };
+ const char nop15[15] = { 0x66, 0x66, 0x66, 0x66, // data16; data16; data16
+ 0x66, 0x66, 0x2e, 0x0f, // data16; data16
+ 0x1f, 0x84, 0x00, 0x00, // nopw %cs:0L(%rax,%rax,1)
+ 0x00, 0x00, 0x00 };
const char* nops[16] = {
NULL,