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| author | H.J. Lu <hjl.tools@gmail.com> | 2015-04-15 09:53:13 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2015-04-15 09:57:55 -0700 |
| commit | f24bcbaa5a6e30556e2da20bfd78e7823741475a (patch) | |
| tree | 1a56cd0b6f00c81f88800c767c226a0578a5c67a /opcodes | |
| parent | 507bd32558eb1c0054b7989d52ac1ab25cc5b0ac (diff) | |
| download | gdb-f24bcbaa5a6e30556e2da20bfd78e7823741475a.zip gdb-f24bcbaa5a6e30556e2da20bfd78e7823741475a.tar.gz gdb-f24bcbaa5a6e30556e2da20bfd78e7823741475a.tar.bz2 | |
Handle invalid prefixes for rdrand and rdseed
This patch puts rdrand and rdseed in prefix_table so that invalid
prefixes for rdrand and rdseed are handled properly.
gas/testsuite/
PR binutils/17898
* gas/i386/prefix.s: Add rdrand/rdseed prefix tests.
* gas/i386/prefix.d: Updated.
opcodes/
PR binutils/17898
* i386-dis.c (PREFIX_0FC7_REG_6): Renamed to ...
(PREFIX_MOD_0_0FC7_REG_6): This.
(PREFIX_MOD_3_0FC7_REG_6): New.
(PREFIX_MOD_3_0FC7_REG_7): Likewise.
(prefix_table): Replace PREFIX_0FC7_REG_6 with
PREFIX_MOD_0_0FC7_REG_6. Add PREFIX_MOD_3_0FC7_REG_6 and
PREFIX_MOD_3_0FC7_REG_7.
(mod_table): Replace PREFIX_0FC7_REG_6 with
PREFIX_MOD_0_0FC7_REG_6. Use PREFIX_MOD_3_0FC7_REG_6 and
PREFIX_MOD_3_0FC7_REG_7.
Diffstat (limited to 'opcodes')
| -rw-r--r-- | opcodes/ChangeLog | 14 | ||||
| -rw-r--r-- | opcodes/i386-dis.c | 26 |
2 files changed, 35 insertions, 5 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index b378dc1..b46c861 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,5 +1,19 @@ 2015-04-15 H.J. Lu <hongjiu.lu@intel.com> + PR binutils/17898 + * i386-dis.c (PREFIX_0FC7_REG_6): Renamed to ... + (PREFIX_MOD_0_0FC7_REG_6): This. + (PREFIX_MOD_3_0FC7_REG_6): New. + (PREFIX_MOD_3_0FC7_REG_7): Likewise. + (prefix_table): Replace PREFIX_0FC7_REG_6 with + PREFIX_MOD_0_0FC7_REG_6. Add PREFIX_MOD_3_0FC7_REG_6 and + PREFIX_MOD_3_0FC7_REG_7. + (mod_table): Replace PREFIX_0FC7_REG_6 with + PREFIX_MOD_0_0FC7_REG_6. Use PREFIX_MOD_3_0FC7_REG_6 and + PREFIX_MOD_3_0FC7_REG_7. + +2015-04-15 H.J. Lu <hongjiu.lu@intel.com> + * i386-dis.c (PREFIX_MANDATORY_REPZ): Removed. (PREFIX_MANDATORY_REPNZ): Likewise. (PREFIX_MANDATORY_DATA): Likewise. diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index 1841488..76ecb5a 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -933,7 +933,9 @@ enum PREFIX_0FBD, PREFIX_0FC2, PREFIX_0FC3, - PREFIX_0FC7_REG_6, + PREFIX_MOD_0_0FC7_REG_6, + PREFIX_MOD_3_0FC7_REG_6, + PREFIX_MOD_3_0FC7_REG_7, PREFIX_0FD0, PREFIX_0FD6, PREFIX_0FE6, @@ -4047,13 +4049,27 @@ static const struct dis386 prefix_table[][4] = { { "movntiS", { Ma, Gv }, PREFIX_OPCODE }, }, - /* PREFIX_0FC7_REG_6 */ + /* PREFIX_MOD_0_0FC7_REG_6 */ { { "vmptrld",{ Mq }, 0 }, { "vmxon", { Mq }, 0 }, { "vmclear",{ Mq }, 0 }, }, + /* PREFIX_MOD_3_0FC7_REG_6 */ + { + { "rdrand", { Ev }, 0 }, + { Bad_Opcode }, + { "rdrand", { Ev }, 0 } + }, + + /* PREFIX_MOD_3_0FC7_REG_7 */ + { + { "rdseed", { Ev }, 0 }, + { Bad_Opcode }, + { "rdseed", { Ev }, 0 }, + }, + /* PREFIX_0FD0 */ { { Bad_Opcode }, @@ -11808,13 +11824,13 @@ static const struct dis386 mod_table[][2] = { }, { /* MOD_0FC7_REG_6 */ - { PREFIX_TABLE (PREFIX_0FC7_REG_6) }, - { "rdrand", { Ev }, 0 }, + { PREFIX_TABLE (PREFIX_MOD_0_0FC7_REG_6) }, + { PREFIX_TABLE (PREFIX_MOD_3_0FC7_REG_6) } }, { /* MOD_0FC7_REG_7 */ { "vmptrst", { Mq }, 0 }, - { "rdseed", { Ev }, 0 }, + { PREFIX_TABLE (PREFIX_MOD_3_0FC7_REG_7) } }, { /* MOD_0FD7 */ |