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Port print_int, movsx. Implement putself.

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Maxime Chevalier-Boisvert 2020-09-18 12:20:43 -04:00 • committed by Alan Wu
parent b8a3f2ed61
commit d1c9ca86c1
6 changed files with 127 additions and 31 deletions
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44
ujit_utils.c
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@ -33,43 +33,31 @@ void pop_regs(codeblock_t* cb)
pop(cb, RAX);
}
static void print_str_fn(const char* str)
static void print_int_cfun(int64_t val)
{
printf("%s", str);
printf("%lld\n", val);
}
/*
void printInt(CodeBlock as, X86Opnd opnd)
void print_int(codeblock_t* cb, x86opnd_t opnd)
{
extern (C) void printIntFn(int64_t v)
{
writefln("%s", v);
}
push_regs(cb);
size_t opndSz;
if (opnd.isImm)
opndSz = 64;
else if (opnd.isGPR)
opndSz = opnd.reg.size;
else if (opnd.isMem)
opndSz = opnd.mem.size;
if (opnd.num_bits < 64 && opnd.type != OPND_IMM)
movsx(cb, RDI, opnd);
else
assert (false);
as.pushRegs();
if (opndSz < 64)
as.movsx(cargRegs[0].opnd(64), opnd);
else
as.mov(cargRegs[0].opnd(64), opnd);
mov(cb, RDI, opnd);
// Call the print function
as.ptr(scrRegs[0], &printIntFn);
as.call(scrRegs[0]);
mov(cb, RAX, const_ptr_opnd(&print_int_cfun));
call(cb, RAX);
as.popRegs();
pop_regs(cb);
}
static void print_str_cfun(const char* str)
{
printf("%s\n", str);
}
*/
// Print a constant string to stdout
void print_str(codeblock_t* cb, const char* str)
@ -89,7 +77,7 @@ void print_str(codeblock_t* cb, const char* str)
cb_write_byte(cb, 0);
// Call the print function
mov(cb, RAX, const_ptr_opnd(&print_str_fn));
mov(cb, RAX, const_ptr_opnd(&print_str_cfun));
call(cb, RAX);
pop_regs(cb);