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implement immediate argument for call

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This commit is contained in:
Ludwig Nussel 2009-11-01 19:58:16 +00:00
parent ed98f65d10
commit b7eae0dca5
1 changed files with 21 additions and 11 deletions
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12
code/qcommon/vm_x86_64_assembler.c
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@ -811,9 +811,11 @@ static void emit_call(const char* mnemonic, arg_t arg1, arg_t arg2, void* data)
{ {
u8 rex, modrm, sib; u8 rex, modrm, sib;
if(arg1.type != T_REGISTER || arg2.type != T_NONE) if((arg1.type != T_REGISTER && arg1.type != T_IMMEDIATE) || arg2.type != T_NONE)
CRAP_INVALID_ARGS; CRAP_INVALID_ARGS;
if(arg1.type == T_REGISTER)
{
if(!arg1.absolute) if(!arg1.absolute)
crap("call must be absolute"); crap("call must be absolute");
@ -829,6 +831,14 @@ static void emit_call(const char* mnemonic, arg_t arg1, arg_t arg2, void* data)
if(rex) emit1(rex); if(rex) emit1(rex);
emit1(0xff); emit1(0xff);
emit1(modrm); emit1(modrm);
}
else
{
if(!isu32(arg1.v.imm))
crap("must be 32bit argument");
emit1(0xe8);
emit4(arg1.v.imm);
}
} }