http://sourceware.org/bugzilla/show_bug.cgi?id=15159
Bug #: 15159
Summary: binutils lacks Intel SMAP support (clac and stac
instructions)
Product: binutils
Version: 2.24 (HEAD)
Status: NEW
Severity: enhancement
Priority: P2
Component: binutils
AssignedTo: unassig...@sourceware.org
ReportedBy: mi...@it.uu.se
Classification: Unclassified
The Intel SMAP instructions "clac" and "stac" aren't supported by current
binutils, c.f. a build of yesterday's head:
> cat smap1.s
.text
clac
stac
> gas/as-new -o smap1.o smap1.s
smap1.s: Assembler messages:
smap1.s:2: Error: no such instruction: `clac'
smap1.s:3: Error: no such instruction: `stac'
> cat smap2.s
.text
.byte 0x0f,0x01,0xca
.byte 0x0f,0x01,0xcb
> gas/as-new -o smap2.o smap2.s
> binutils/objdump -d smap2.o
smap2.o: file format elf64-x86-64
Disassembly of section .text:
0000000000000000 <.text>:
0: 0f 01 (bad)
2: ca 0f 01 lret $0x10f
5: cb lret
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