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author | H.J. Lu <hjl.tools@gmail.com> | 2018-05-07 09:30:02 -0700 |
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committer | H.J. Lu <hjl.tools@gmail.com> | 2018-05-07 16:57:48 -0700 |
commit | c0a30a9f0ab48fd7cb0fed0cd6710fe478650a7f (patch) | |
tree | 4470e20fd5dfa2c27754a28f175ce66a962a735e /opcodes/i386-dis.c | |
parent | 75c0a438994f00240ecd1baca3e3c11cc3b219e5 (diff) | |
download | gdb-c0a30a9f0ab48fd7cb0fed0cd6710fe478650a7f.zip gdb-c0a30a9f0ab48fd7cb0fed0cd6710fe478650a7f.tar.gz gdb-c0a30a9f0ab48fd7cb0fed0cd6710fe478650a7f.tar.bz2 |
Enable Intel MOVDIRI, MOVDIR64B instructions
gas/
* config/tc-i386.c (cpu_arch): Add .movdir, .movdir64b.
(cpu_noarch): Likewise.
(process_suffix): Add check for register size.
* doc/c-i386.texi: Document movdiri, movdir64b.
* testsuite/gas/i386/i386.exp: Run MOVDIR{I,64B} tests.
* testsuite/gas/i386/movdir-intel.d: New file.
* testsuite/gas/i386/movdir.d: Likewise.
* testsuite/gas/i386/movdir.s: Likewise.
* testsuite/gas/i386/movdir64b-reg.s: Likewise.
* testsuite/gas/i386/movdir64b-reg.l: Likewise.
* testsuite/gas/i386/x86-64-movdir-intel.d: Likewise.
* testsuite/gas/i386/x86-64-movdir.d: Likewise.
* testsuite/gas/i386/x86-64-movdir.s: Likewise.
* testsuite/gas/i386/x86-64-movdir64b-reg.s: Likewise.
* testsuite/gas/i386/x86-64-movdir64b-reg.l: Likewise.
opcodes/
* i386-dis.c (Gva): New.
(enum): Add PREFIX_0F38F8, PREFIX_0F38F9,
MOD_0F38F8_PREFIX_2, MOD_0F38F9_PREFIX_0.
(prefix_table): New instructions (see prefix above).
(mod_table): New instructions (see prefix above).
(OP_G): Handle va_mode.
* i386-gen.c (cpu_flag_init): Add CPU_MOVDIRI_FLAGS,
CPU_MOVDIR64B_FLAGS.
(cpu_flags): Add CpuMOVDIRI and CpuMOVDIR64B.
* i386-opc.h (enum): Add CpuMOVDIRI, CpuMOVDIR64B.
(i386_cpu_flags): Add cpumovdiri and cpumovdir64b.
* i386-opc.tbl: Add movidir{i,64b}.
* i386-init.h: Regenerated.
* i386-tbl.h: Likewise.
Diffstat (limited to 'opcodes/i386-dis.c')
-rw-r--r-- | opcodes/i386-dis.c | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index 98950e2..42d219c 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -281,6 +281,7 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr) #define Gd { OP_G, d_mode } #define Gdq { OP_G, dq_mode } #define Gm { OP_G, m_mode } +#define Gva { OP_G, va_mode } #define Gw { OP_G, w_mode } #define Rd { OP_R, d_mode } #define Rdq { OP_R, dq_mode } @@ -835,6 +836,8 @@ enum MOD_0F382A_PREFIX_2, MOD_0F38F5_PREFIX_2, MOD_0F38F6_PREFIX_0, + MOD_0F38F8_PREFIX_2, + MOD_0F38F9_PREFIX_0, MOD_62_32BIT, MOD_C4_32BIT, MOD_C5_32BIT, @@ -1081,6 +1084,8 @@ enum PREFIX_0F38F1, PREFIX_0F38F5, PREFIX_0F38F6, + PREFIX_0F38F8, + PREFIX_0F38F9, PREFIX_0F3A08, PREFIX_0F3A09, PREFIX_0F3A0A, @@ -4680,6 +4685,18 @@ static const struct dis386 prefix_table[][4] = { { Bad_Opcode }, }, + /* PREFIX_0F38F8 */ + { + { Bad_Opcode }, + { Bad_Opcode }, + { MOD_TABLE (MOD_0F38F8_PREFIX_2) }, + }, + + /* PREFIX_0F38F9 */ + { + { MOD_TABLE (MOD_0F38F9_PREFIX_0) }, + }, + /* PREFIX_0F3A08 */ { { Bad_Opcode }, @@ -7444,8 +7461,8 @@ static const struct dis386 three_byte_table[][256] = { { PREFIX_TABLE (PREFIX_0F38F6) }, { Bad_Opcode }, /* f8 */ - { Bad_Opcode }, - { Bad_Opcode }, + { PREFIX_TABLE (PREFIX_0F38F8) }, + { PREFIX_TABLE (PREFIX_0F38F9) }, { Bad_Opcode }, { Bad_Opcode }, { Bad_Opcode }, @@ -11837,6 +11854,14 @@ static const struct dis386 mod_table[][2] = { { "wrssK", { M, Gdq }, PREFIX_OPCODE }, }, { + /* MOD_0F38F8_PREFIX_2 */ + { "movdir64b", { Gva, M }, PREFIX_OPCODE }, + }, + { + /* MOD_0F38F9_PREFIX_0 */ + { "movdiri", { Em, Gv }, PREFIX_OPCODE }, + }, + { /* MOD_62_32BIT */ { "bound{S|}", { Gv, Ma }, 0 }, { EVEX_TABLE (EVEX_0F) }, @@ -15652,6 +15677,7 @@ static void OP_G (int bytemode, int sizeflag) { int add = 0; + const char **names; USED_REX (REX_R); if (rex & REX_R) add += 8; @@ -15700,6 +15726,24 @@ OP_G (int bytemode, int sizeflag) used_prefixes |= (prefixes & PREFIX_DATA); } break; + case va_mode: + names = (address_mode == mode_64bit + ? names64 : names32); + if (!(prefixes & PREFIX_ADDR)) + { + if (address_mode == mode_16bit) + names = names16; + } + else + { + /* Remove "addr16/addr32". */ + all_prefixes[last_addr_prefix] = 0; + names = (address_mode != mode_32bit + ? names32 : names16); + used_prefixes |= PREFIX_ADDR; + } + oappend (names[modrm.reg + add]); + break; case m_mode: if (address_mode == mode_64bit) oappend (names64[modrm.reg + add]); |