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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-06 00:30:21 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-06 00:30:21 +0100
commitc3fa27d1367fac63ac8533d6f20ea851d0d70a10 (patch)
treee7731554085e22b6b63411b1ebb401079f3e0bbb /arch/x86/lib/inat.c
parentMerge branch 'tracing-core-for-linus' of git://git.kernel.org/pub/scm/linux/k... (diff)
parentMerge branch 'perf/probes' into perf/core (diff)
downloadlinux-c3fa27d1367fac63ac8533d6f20ea851d0d70a10.tar.xz
linux-c3fa27d1367fac63ac8533d6f20ea851d0d70a10.zip
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.c90
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 @@
+/*
+ * x86 instruction attribute tables
+ *
+ * Written by Masami Hiramatsu <mhiramat@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+#include <asm/insn.h>
+
+/* Attribute tables are generated from opcode map */
+#include "inat-tables.c"
+
+/* Attribute search APIs */
+insn_attr_t inat_get_opcode_attribute(insn_byte_t opcode)
+{
+ return inat_primary_table[opcode];
+}
+
+insn_attr_t inat_get_escape_attribute(insn_byte_t opcode, insn_byte_t last_pfx,
+ insn_attr_t esc_attr)
+{
+ const insn_attr_t *table;
+ insn_attr_t lpfx_attr;
+ int n, m = 0;
+
+ n = inat_escape_id(esc_attr);
+ if (last_pfx) {
+ lpfx_attr = inat_get_opcode_attribute(last_pfx);
+ m = inat_last_prefix_id(lpfx_attr);
+ }
+ table = inat_escape_tables[n][0];
+ if (!table)
+ return 0;
+ if (inat_has_variant(table[opcode]) && m) {
+ table = inat_escape_tables[n][m];
+ if (!table)
+ return 0;
+ }
+ return table[opcode];
+}
+
+insn_attr_t inat_get_group_attribute(insn_byte_t modrm, insn_byte_t last_pfx,
+ insn_attr_t grp_attr)
+{
+ const insn_attr_t *table;
+ insn_attr_t lpfx_attr;
+ int n, m = 0;
+
+ n = inat_group_id(grp_attr);
+ if (last_pfx) {
+ lpfx_attr = inat_get_opcode_attribute(last_pfx);
+ m = inat_last_prefix_id(lpfx_attr);
+ }
+ table = inat_group_tables[n][0];
+ if (!table)
+ return inat_group_common_attribute(grp_attr);
+ if (inat_has_variant(table[X86_MODRM_REG(modrm)]) && m) {
+ table = inat_group_tables[n][m];
+ if (!table)
+ return inat_group_common_attribute(grp_attr);
+ }
+ return table[X86_MODRM_REG(modrm)] |
+ inat_group_common_attribute(grp_attr);
+}
+
+insn_attr_t inat_get_avx_attribute(insn_byte_t opcode, insn_byte_t vex_m,
+ insn_byte_t vex_p)
+{
+ const insn_attr_t *table;
+ if (vex_m > X86_VEX_M_MAX || vex_p > INAT_LSTPFX_MAX)
+ return 0;
+ table = inat_avx_tables[vex_m][vex_p];
+ if (!table)
+ return 0;
+ return table[opcode];
+}
+