diff options
Diffstat (limited to 'libjava/include/i386-signal.h')
| -rw-r--r-- | libjava/include/i386-signal.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/libjava/include/i386-signal.h b/libjava/include/i386-signal.h index f7b0eda..a5c8ae4 100644 --- a/libjava/include/i386-signal.h +++ b/libjava/include/i386-signal.h @@ -64,18 +64,25 @@ do \ if (_regs->eax == 0x80000000 \ && ((_modrm >> 3) & 7) == 7) /* Signed divide */ \ { \ + unsigned char _rm = _modrm & 7; \ _regs->edx = 0; /* the remainder is zero */ \ switch (_modrm >> 6) \ { \ - case 0: \ - if ((_modrm & 7) == 5) \ - _eip += 4; \ + case 0: /* register indirect */ \ + if (_rm == 5) /* 32-bit displacement */ \ + _eip += 4; \ + if (_rm == 4) /* A SIB byte follows the ModR/M byte */ \ + _eip += 1; \ break; \ - case 1: \ + case 1: /* register indirect + 8-bit displacement */ \ _eip += 1; \ + if (_rm == 4) /* A SIB byte follows the ModR/M byte */ \ + _eip += 1; \ break; \ - case 2: \ + case 2: /* register indirect + 32-bit displacement */ \ _eip += 4; \ + if (_rm == 4) /* A SIB byte follows the ModR/M byte */ \ + _eip += 1; \ break; \ case 3: \ break; \ |