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decode movslq (generated by gcc4.1)

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This commit is contained in:
gbeauche 2006-03-30 22:45:49 +00:00
parent 99241183a5
commit db76383246
1 changed files with 29 additions and 0 deletions
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29
BasiliskII/src/Unix/sigsegv.cpp
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@ -943,6 +943,33 @@ static bool ix86_skip_instruction(unsigned long * regs)
break;
}
break;
#if defined(__x86_64__)
case 0x63: // MOVSXD r64, r/m32
if (has_rex && rex.W) {
transfer_size = SIZE_LONG;
target_size = SIZE_QUAD;
}
else if (transfer_size != SIZE_WORD) {
transfer_size = SIZE_LONG;
target_size = SIZE_QUAD;
}
switch (eip[1] & 0xc0) {
case 0x80:
reg = (eip[1] >> 3) & 7;
transfer_type = SIGSEGV_TRANSFER_LOAD;
break;
case 0x40:
reg = (eip[1] >> 3) & 7;
transfer_type = SIGSEGV_TRANSFER_LOAD;
break;
case 0x00:
reg = (eip[1] >> 3) & 7;
transfer_type = SIGSEGV_TRANSFER_LOAD;
break;
}
len += 2 + ix86_step_over_modrm(eip + 1);
break;
#endif
case 0x8a: // MOV r8, r/m8
transfer_size = SIZE_BYTE;
case 0x8b: // MOV r32, r/m32 (or 16-bit operation)
@ -2189,6 +2216,8 @@ static bool arch_insn_skipper_tests()
0x4c, 0x89, 0x18, // mov %r11,(%rax)
0x4a, 0x89, 0x0c, 0x10, // mov %rcx,(%rax,%r10,1)
0x4e, 0x89, 0x1c, 0x10, // mov %r11,(%rax,%r10,1)
0x63, 0x47, 0x04, // movslq 4(%rdi),%eax
0x48, 0x63, 0x47, 0x04, // movslq 4(%rdi),%rax
#endif
0 // end
};