diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-05 18:30:21 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-05 18:30:21 -0500 |
commit | c3fa27d1367fac63ac8533d6f20ea851d0d70a10 (patch) | |
tree | e7731554085e22b6b63411b1ebb401079f3e0bbb /arch/x86/lib/inat.c | |
parent | 96fa2b508d2d3fe040cf4ef2fffb955f0a537ea1 (diff) | |
parent | d103d01e4b19f185d3c85f77402b605534c32e89 (diff) |
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (470 commits)
x86: Fix comments of register/stack access functions
perf tools: Replace %m with %a in sscanf
hw-breakpoints: Keep track of user disabled breakpoints
tracing/syscalls: Make syscall events print callbacks static
tracing: Add DEFINE_EVENT(), DEFINE_SINGLE_EVENT() support to docbook
perf: Don't free perf_mmap_data until work has been done
perf_event: Fix compile error
perf tools: Fix _GNU_SOURCE macro related strndup() build error
trace_syscalls: Remove unused syscall_name_to_nr()
trace_syscalls: Simplify syscall profile
trace_syscalls: Remove duplicate init_enter_##sname()
trace_syscalls: Add syscall_nr field to struct syscall_metadata
trace_syscalls: Remove enter_id exit_id
trace_syscalls: Set event_enter_##sname->data to its metadata
trace_syscalls: Remove unused event_syscall_enter and event_syscall_exit
perf_event: Initialize data.period in perf_swevent_hrtimer()
perf probe: Simplify event naming
perf probe: Add --list option for listing current probe events
perf probe: Add argv_split() from lib/argv_split.c
perf probe: Move probe event utility functions to probe-event.c
...
Diffstat (limited to 'arch/x86/lib/inat.c')
-rw-r--r-- | arch/x86/lib/inat.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/arch/x86/lib/inat.c b/arch/x86/lib/inat.c new file mode 100644 index 000000000000..46fc4ee09fc4 --- /dev/null +++ b/arch/x86/lib/inat.c | |||
@@ -0,0 +1,90 @@ | |||
1 | /* | ||
2 | * x86 instruction attribute tables | ||
3 | * | ||
4 | * Written by Masami Hiramatsu <mhiramat@redhat.com> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
11 | * This program is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | * GNU General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU General Public License | ||
17 | * along with this program; if not, write to the Free Software | ||
18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | ||
19 | * | ||
20 | */ | ||
21 | #include <asm/insn.h> | ||
22 | |||
23 | /* Attribute tables are generated from opcode map */ | ||
24 | #include "inat-tables.c" | ||
25 | |||
26 | /* Attribute search APIs */ | ||
27 | insn_attr_t inat_get_opcode_attribute(insn_byte_t opcode) | ||
28 | { | ||
29 | return inat_primary_table[opcode]; | ||
30 | } | ||
31 | |||
32 | insn_attr_t inat_get_escape_attribute(insn_byte_t opcode, insn_byte_t last_pfx, | ||
33 | insn_attr_t esc_attr) | ||
34 | { | ||
35 | const insn_attr_t *table; | ||
36 | insn_attr_t lpfx_attr; | ||
37 | int n, m = 0; | ||
38 | |||
39 | n = inat_escape_id(esc_attr); | ||
40 | if (last_pfx) { | ||
41 | lpfx_attr = inat_get_opcode_attribute(last_pfx); | ||
42 | m = inat_last_prefix_id(lpfx_attr); | ||
43 | } | ||
44 | table = inat_escape_tables[n][0]; | ||
45 | if (!table) | ||
46 | return 0; | ||
47 | if (inat_has_variant(table[opcode]) && m) { | ||
48 | table = inat_escape_tables[n][m]; | ||
49 | if (!table) | ||
50 | return 0; | ||
51 | } | ||
52 | return table[opcode]; | ||
53 | } | ||
54 | |||
55 | insn_attr_t inat_get_group_attribute(insn_byte_t modrm, insn_byte_t last_pfx, | ||
56 | insn_attr_t grp_attr) | ||
57 | { | ||
58 | const insn_attr_t *table; | ||
59 | insn_attr_t lpfx_attr; | ||
60 | int n, m = 0; | ||
61 | |||
62 | n = inat_group_id(grp_attr); | ||
63 | if (last_pfx) { | ||
64 | lpfx_attr = inat_get_opcode_attribute(last_pfx); | ||
65 | m = inat_last_prefix_id(lpfx_attr); | ||
66 | } | ||
67 | table = inat_group_tables[n][0]; | ||
68 | if (!table) | ||
69 | return inat_group_common_attribute(grp_attr); | ||
70 | if (inat_has_variant(table[X86_MODRM_REG(modrm)]) && m) { | ||
71 | table = inat_group_tables[n][m]; | ||
72 | if (!table) | ||
73 | return inat_group_common_attribute(grp_attr); | ||
74 | } | ||
75 | return table[X86_MODRM_REG(modrm)] | | ||
76 | inat_group_common_attribute(grp_attr); | ||
77 | } | ||
78 | |||
79 | insn_attr_t inat_get_avx_attribute(insn_byte_t opcode, insn_byte_t vex_m, | ||
80 | insn_byte_t vex_p) | ||
81 | { | ||
82 | const insn_attr_t *table; | ||
83 | if (vex_m > X86_VEX_M_MAX || vex_p > INAT_LSTPFX_MAX) | ||
84 | return 0; | ||
85 | table = inat_avx_tables[vex_m][vex_p]; | ||
86 | if (!table) | ||
87 | return 0; | ||
88 | return table[opcode]; | ||
89 | } | ||
90 | |||