diff options
Diffstat (limited to 'gdb/i386-tdep.c')
| -rw-r--r-- | gdb/i386-tdep.c | 158 |
1 files changed, 157 insertions, 1 deletions
diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c index 02ec71626f6..b391e5d0fd1 100644 --- a/gdb/i386-tdep.c +++ b/gdb/i386-tdep.c @@ -4111,7 +4111,163 @@ reswitch: break; /* floats */ - /* XXX */ + /* It just record the memory change of instrcution. */ + case 0xd8 ... 0xdf: + if (i386_record_modrm ()) + { + return (-1); + } + reg |= ((opcode & 7) << 3); + if (mod != 3) + { + /* memory */ + uint32_t addr; + + if (i386_record_lea_modrm_addr (&addr)) + { + return (-1); + } + switch (reg) + { + case 0x00 ... 0x07: + case 0x10 ... 0x17: + case 0x20 ... 0x27: + case 0x30 ... 0x37: + break; + case 0x08: + case 0x0a: + case 0x0b: + case 0x18 ... 0x1b: + case 0x28 ... 0x2b: + case 0x38 ... 0x3b: + switch (reg & 7) + { + case 0: + break; + case 1: + switch (reg >> 4) + { + case 0: + if (record_arch_list_add_mem (addr, 4)) + { + return (-1); + } + break; + case 2: + if (record_arch_list_add_mem (addr, 8)) + { + return (-1); + } + break; + case 3: + default: + if (record_arch_list_add_mem (addr, 2)) + { + return (-1); + } + break; + } + break; + default: + switch (reg >> 4) + { + case 0: + case 1: + if (record_arch_list_add_mem (addr, 4)) + { + return (-1); + } + break; + case 2: + if (record_arch_list_add_mem (addr, 8)) + { + return (-1); + } + break; + case 3: + default: + if (record_arch_list_add_mem (addr, 2)) + { + return (-1); + } + break; + } + break; + } + break; + case 0x0c: + case 0x0d: + case 0x1d: + case 0x2c: + case 0x3c: + case 0x3d: + break; + case 0x0e: + if (dflag) + { + if (record_arch_list_add_mem (addr, 28)) + { + return (-1); + } + } + else + { + if (record_arch_list_add_mem (addr, 14)) + { + return (-1); + } + } + break; + case 0x0f: + case 0x2f: + if (record_arch_list_add_mem (addr, 2)) + { + return (-1); + } + break; + case 0x1f: + case 0x3e: + if (record_arch_list_add_mem (addr, 10)) + { + return (-1); + } + break; + case 0x2e: + if (dflag) + { + if (record_arch_list_add_mem (addr, 28)) + { + return (-1); + } + addr += 28; + } + else + { + if (record_arch_list_add_mem (addr, 14)) + { + return (-1); + } + addr += 14; + } + if (record_arch_list_add_mem (addr, 80)) + { + return (-1); + } + break; + case 0x3f: + if (record_arch_list_add_mem (addr, 8)) + { + return (-1); + } + break; + default: + i386_record_pc -= 2; + opcode = opcode << 8 | modrm; + goto no_support; + break; + } + } + break; /* string ops */ /* movsS */ |