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invoke.c
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/****************************************************************************
*
* This code is Public Domain.
*
* ========================================================================
*
* Description: Processing of INVOKE directive.
*
****************************************************************************/
#include <ctype.h>
#include <limits.h>
#include "globals.h"
#include "memalloc.h"
#include "parser.h"
#include "reswords.h"
#include "expreval.h"
#include "lqueue.h"
#include "equate.h"
#include "assume.h"
#include "segment.h"
#include "listing.h"
#include "myassert.h"
#include "label.h"
#include "hll.h"
#include "segment.h"
#if DLLIMPORT
#include "mangle.h"
#include "extern.h"
#endif
#include "proc.h"
#if defined(WINDOWSDDK)
#if defined(_WIN32)
typedef _W64 int INT_PTR, *PINT_PTR;
typedef _W64 unsigned int UINT_PTR, *PUINT_PTR;
typedef _W64 long LONG_PTR, *PLONG_PTR;
typedef _W64 unsigned long ULONG_PTR, *PULONG_PTR;
#define __int3264 __int32
#else
typedef __int64 INT_PTR, *PINT_PTR;
typedef unsigned __int64 UINT_PTR, *PUINT_PTR;
typedef __int64 LONG_PTR, *PLONG_PTR;
typedef unsigned __int64 ULONG_PTR, *PULONG_PTR;
#define __int3264 __int64
#endif
#else
#include <inttypes.h>
#if defined(_WIN32)
typedef _W64 int INT_PTR, *PINT_PTR;
typedef _W64 unsigned int UINT_PTR, *PUINT_PTR;
typedef _W64 long LONG_PTR, *PLONG_PTR;
typedef _W64 unsigned long ULONG_PTR, *PULONG_PTR;
#define __int3264 __int32
#else
typedef int64_t INT_PTR, *PINT_PTR;
typedef uint64_t UINT_PTR, *PUINT_PTR;
typedef int64_t LONG_PTR, *PLONG_PTR;
typedef uint64_t ULONG_PTR, *PULONG_PTR;
#define __int3264 int64_t
#endif
#endif
extern bool write_to_file;
extern int_64 maxintvalues[];
extern int_64 minintvalues[];
extern enum special_token stackreg[];
extern struct dsym *CurrStruct;
extern UINT_PTR UTF8toWideChar(const unsigned char *pSource, UINT_PTR nSourceLen, UINT_PTR *nSourceDone, unsigned short *szTarget, UINT_PTR nTargetMax);
#ifdef __I86__
#define NUMQUAL (long)
#else
#define NUMQUAL
#endif
enum reg_used_flags {
R0_USED = 0x01, /* register contents of AX/EAX/RAX is destroyed */
R0_H_CLEARED = 0x02, /* 16bit: high byte of R0 (=AH) has been set to 0 */
R0_X_CLEARED = 0x04, /* 16bit: register R0 (=AX) has been set to 0 */
R2_USED = 0x08, /* contents of DX is destroyed ( via CWD ); cpu < 80386 only */
#if AMD64_SUPPORT
RCX_USED = 0x08, /* win64: register contents of CL/CX/ECX/RCX is destroyed */
RDX_USED = 0x10, /* win64: register contents of DL/DX/EDX/RDX is destroyed */
R8_USED = 0x20, /* win64: register contents of R8B/R8W/R8D/R8 is destroyed */
R9_USED = 0x40, /* win64: register contents of R9B/R9W/R9D/R9 is destroyed */
#define RPAR_START 3 /* Win64: RCX first param start at bit 3 */
#endif
#if SYSV_SUPPORT
SV_RDI_USED = 0x02, /* sysv: register contents of DI/EDI/RDI is destroyed */
SV_RSI_USED = 0x04, /* sysv: register contents of SI/ESI/RSI is destroyed */
SV_RDX_USED = 0x08, /* sysv: register contents of DL/DX/EDX/RDX is destroyed */
SV_RCX_USED = 0x10, /* sysv: register contents of CL/CX/ECX/RCX is destroyed */
SV_R8_USED = 0x20, /* sysv: register contents of R8B/R8W/R8D/R8 is destroyed */
SV_R9_USED = 0x40, /* sysv: register contents of R9B/R9W/R9D/R9 is destroyed */
#define SYSVR_START 1 /* sysv: RDI first param start at bit 6 */
#endif
#if OWFC_SUPPORT
ROW_AX_USED = 0x08, /* watc: register contents of AL/AX/EAX is destroyed */
ROW_DX_USED = 0x10, /* watc: register contents of DL/DX/EDX is destroyed */
ROW_BX_USED = 0x20, /* watc: register contents of BL/BX/EBX is destroyed */
ROW_CX_USED = 0x40, /* watc: register contents of CL/CX/ECX is destroyed */
#define ROW_START 3 /* watc: first param start at bit 3 */
#endif
};
extern void myatoi128( const char *, uint_64[], int, int );
static int size_vararg; /* size of :VARARG arguments */
static int fcscratch = 0; /* exclusively to be used by FASTCALL helper functions */
static int vcallpass = 0; /* static global to determine which vectorcall pass we're in */
struct fastcall_conv {
int (* invokestart)( struct dsym const *, int, int, struct asm_tok[], int * );
void (* invokeend) ( struct dsym const *, int, int );
int (* handleparam)( struct dsym const *, int, struct dsym *, bool, struct expr *, char *, uint_8 * );
};
struct vectorcall_conv {
int (* invokestart)( struct dsym const *, int, int, struct asm_tok[], int * );
void (* invokeend) ( struct dsym const *, int, int );
int (* handleparam)( struct dsym const *, int, struct dsym *, bool, struct expr *, char *, uint_8 * );
};
struct sysvcall_conv {
int (* invokestart)( struct dsym const *, int, int, struct asm_tok[], int *);
void (* invokeend) ( struct dsym const *, int, int);
int (* handleparam)( struct dsym const *, int, struct dsym *, bool, struct expr *, char *, uint_8 *);
};
struct delphicall_conv {
int (* invokestart)( struct dsym const *, int, int, struct asm_tok[], int *);
void (* invokeend) ( struct dsym const *, int, int);
int (* handleparam)( struct dsym const *, int, struct dsym *, bool, struct expr *, char *, uint_8 *);
};
static int ms32_fcstart( struct dsym const *, int, int, struct asm_tok[], int * );
static void ms32_fcend ( struct dsym const *, int, int );
static int ms32_param ( struct dsym const *, int, struct dsym *, bool, struct expr *, char *, uint_8 * );
#if OWFC_SUPPORT
static int watc_fcstart( struct dsym const *, int, int, struct asm_tok[], int * );
static void watc_fcend ( struct dsym const *, int, int );
static int watc_param ( struct dsym const *, int, struct dsym *, bool, struct expr *, char *, uint_8 * );
#endif
#if AMD64_SUPPORT
static int ms64_fcstart( struct dsym const *, int, int, struct asm_tok[], int * );
static void ms64_fcend ( struct dsym const *, int, int );
static int ms64_param ( struct dsym const *, int, struct dsym *, bool, struct expr *, char *, uint_8 * );
#define REGPAR_WIN64 0x0306 /* regs 1, 2, 8 and 9 */
#endif
#if SYSV_SUPPORT
static int sysv_reg ( unsigned int );
static int sysv_fcstart ( struct dsym const *, int, int, struct asm_tok[], int * );
static void sysv_fcend ( struct dsym const *, int, int );
static int sysv_param ( struct dsym const *, int, struct dsym *, bool, struct expr *, char *, uint_8 * );
static int sysv_vararg_param ( struct dsym const *, int, struct dsym *, bool, struct expr *, char *, uint_8 *);
#define REGPAR_SYSV 0x03C6 /* regs 6, 7, 1, 2, 8 and 9 */
#endif
/* added for delphi in v2.28 */
#if DELPHI_SUPPORT
static int delphi32_fcstart( struct dsym const *, int, int, struct asm_tok[], int * );
static void delphi32_fcend ( struct dsym const *, int, int );
static int delphi32_param ( struct dsym const *, int, struct dsym *, bool, struct expr *, char *, uint_8 * );
#define REGPAR_DELPHI 0x03 /* regs 0, 2, 1 */
#endif
static const struct fastcall_conv fastcall_tab[] = {
{ ms32_fcstart, ms32_fcend , ms32_param }, /* FCT_MSC */
#if OWFC_SUPPORT
{ watc_fcstart, watc_fcend , watc_param }, /* FCT_WATCOMC */
#endif
#if AMD64_SUPPORT
{ ms64_fcstart, ms64_fcend , ms64_param } /* FCT_WIN64 */
#endif
};
static const struct vectorcall_conv vectorcall_tab[] = {
{ ms32_fcstart, ms32_fcend , ms32_param }, /* FCT_MSC */
#if OWFC_SUPPORT
{ watc_fcstart, watc_fcend , watc_param }, /* FCT_WATCOMC */
#endif
#if AMD64_SUPPORT
{ ms64_fcstart, ms64_fcend , ms64_param } /* FCT_WIN64 */
#endif
};
static const struct sysvcall_conv sysvcall_tab[] = {
{ ms32_fcstart, ms32_fcend , ms32_param }, /* FCT_MSC */
#if OWFC_SUPPORT
{ watc_fcstart, watc_fcend , watc_param }, /* FCT_WATCOMC */
#endif
#if AMD64_SUPPORT
{ sysv_fcstart, sysv_fcend , sysv_param } /* FCT_WIN64 */
#endif
};
/* added for delphi in v2.28 */
static const struct delphicall_conv delphicall_tab[] = {
{ delphi32_fcstart, delphi32_fcend , delphi32_param }, /* FCT_DELPHI */
#if OWFC_SUPPORT
{ watc_fcstart, watc_fcend , watc_param }, /* FCT_WATCOMC */
#endif
#if AMD64_SUPPORT
{ ms64_fcstart, ms64_fcend , ms64_param } /* FCT_WIN64 */
#endif
};
static const enum special_token regax[] = { T_AX, T_EAX,
#if AMD64_SUPPORT
T_RAX
#endif
};
/* 16-bit MS fastcall uses up to 3 registers (AX, DX, BX )
* and additional params are pushed in PASCAL order!
*/
static const enum special_token ms16_regs[] = {
T_AX, T_DX, T_BX
};
static const enum special_token ms32_regs[] = {
T_ECX, T_EDX
};
/* added for delphi in v2.28 */
static const enum special_token delphi32_regs[] = {
T_EAX, T_EDX, T_ECX
};
#if AMD64_SUPPORT
static const enum special_token ms64_regs[] = {
T_CL, T_DL, T_R8B, T_R9B,
T_CX, T_DX, T_R8W, T_R9W,
T_ECX, T_EDX, T_R8D, T_R9D,
T_RCX, T_RDX, T_R8, T_R9
};
#endif
#if SYSV_SUPPORT
static const enum special_token sysV64_regs[] = {
T_DIL, T_SIL, T_DL, T_CL, T_R8B, T_R9B,
T_DI, T_SI, T_DX, T_CX, T_R8W, T_R9W,
T_EDI, T_ESI, T_EDX, T_ECX, T_R8D, T_R9D,
T_RDI, T_RSI, T_RDX, T_RCX, T_R8, T_R9
};
static const enum special_token sysV64_regsXMM[] = {
T_XMM0, T_XMM1, T_XMM2, T_XMM3, T_XMM4, T_XMM5, T_XMM6, T_XMM7
};
static const enum special_token sysV64_regsYMM[] = {
T_YMM0, T_YMM1, T_YMM2, T_YMM3, T_YMM4, T_YMM5, T_YMM6, T_YMM7
};
static const enum special_token sysV64_regsZMM[] = {
T_ZMM0, T_ZMM1, T_ZMM2, T_ZMM3, T_ZMM4, T_ZMM5, T_ZMM6, T_ZMM7
};
#endif
/* segment register names, order must match ASSUME_ enum */
//static const enum special_token segreg_tab[] = {
// T_ES, T_CS, T_SS, T_DS, T_FS, T_GS };
static int ms32_fcstart( struct dsym const *proc, int numparams, int start, struct asm_tok tokenarray[], int *value )
/*******************************************************************************************************************/
{
struct dsym *param;
DebugMsg1(("ms32_fcstart(proc=%s, ofs=%u)\n", proc->sym.name, GetSymOfssize( &proc->sym ) ));
if ( GetSymOfssize( &proc->sym ) == USE16 )
return( 0 );
/* v2.07: count number of register params */
for ( param = proc->e.procinfo->paralist ; param ; param = param->nextparam )
if ( param->sym.state == SYM_TMACRO )
fcscratch++;
return( 1 );
}
static void ms32_fcend( struct dsym const *proc, int numparams, int value )
/*************************************************************************/
{
/* nothing to do */
return;
}
static int ms32_param( struct dsym const *proc, int index, struct dsym *param, bool addr, struct expr *opnd, char *paramvalue, uint_8 *r0used )
/*********************************************************************************************************************************************/
{
enum special_token const *pst;
DebugMsg1(("ms32_param(proc=%s, ofs=%u, index=%u, param=%s) fcscratch=%u\n", proc->sym.name, proc->sym.Ofssize, index, param->sym.name, fcscratch ));
if ( param->sym.state != SYM_TMACRO || param->sym.mem_type == MT_REAL4 || param->sym.mem_type == MT_REAL8 )
return( 0 );
if ( GetSymOfssize( &proc->sym ) == USE16 ) {
pst = ms16_regs + fcscratch;
fcscratch++;
} else {
fcscratch--;
pst = ms32_regs + fcscratch;
}
if ( addr )
AddLineQueueX( " lea %r, %s", *pst, paramvalue );
else {
enum special_token reg = *pst;
int size;
/* v2.08: adjust register if size of operand won't require the full register */
if ( ( opnd->kind != EXPR_CONST ) &&
( size = SizeFromMemtype( param->sym.mem_type, USE_EMPTY, param->sym.type ) ) < SizeFromRegister( *pst ) ) {
if (( ModuleInfo.curr_cpu & P_CPU_MASK ) >= P_386 ) {
AddLineQueueX( " %s %r, %s", ( param->sym.mem_type & MT_SIGNED ) ? "movsx" : "movzx", reg, paramvalue );
} else {
/* this is currently always UNSIGNED */
AddLineQueueX( " mov %r, %s", T_AL + GetRegNo( reg ), paramvalue );
AddLineQueueX( " mov %r, 0", T_AH + GetRegNo( reg ) );
}
} else {
/* v2.08: optimization */
if ( opnd->kind == EXPR_REG && opnd->indirect == 0 && opnd->base_reg ) {
if ( opnd->base_reg->tokval == reg )
return( 1 );
}
AddLineQueueX( " mov %r, %s", reg, paramvalue );
}
}
if ( *pst == T_AX )
*r0used |= R0_USED;
return( 1 );
}
/* added for delphi in v2.28 */
static int delphi32_fcstart( struct dsym const *proc, int numparams, int start, struct asm_tok tokenarray[], int *value )
/*******************************************************************************************************************/
{
return( 0 );
}
/* added for delphi in v2.28 */
static void delphi32_fcend( struct dsym const *proc, int numparams, int value )
/*************************************************************************/
{
/* nothing to do */
return;
}
/* added for delphi in v2.28 */
static int delphi32_param( struct dsym const *proc, int index, struct dsym *param, bool addr, struct expr *opnd, char *paramvalue, uint_8 *r0used )
/*********************************************************************************************************************************************/
{
enum special_token const *pst;
struct proc_info *info;
enum special_token reg;
info = proc->e.procinfo;
DebugMsg1(("delphi_param(proc=%s, ofs=%u, index=%u, param=%s) fcscratch=%u\n", proc->sym.name, proc->sym.Ofssize, index, param->sym.name, fcscratch ));
if (param->sym.state != SYM_TMACRO && ((param->sym.state == SYM_STACK && !addr) || fcscratch > 2))
{
return(0);
}
pst = delphi32_regs + fcscratch;
reg = *pst;
info->delregsused[fcscratch] = reg;
/* v2.29: optimization */
if ((_stricmp(paramvalue, "EAX") == 0) && fcscratch == 0){
fcscratch++;
return (1);
}
else if ((_stricmp(paramvalue, "EDX") == 0) && fcscratch == 1){
fcscratch++;
return (1);
}
else if ((_stricmp(paramvalue, "ECX") == 0) && fcscratch == 2){
fcscratch++;
return (1);
}
if ( opnd->kind == EXPR_REG && opnd->indirect == 0 && opnd->base_reg ) {
if (opnd->base_reg->tokval == reg){
fcscratch++;
return(1);
}
}
if (Parse_Pass)
{
switch (fcscratch)
{
case 0:
if ((_stricmp(paramvalue, "EDX") == 0) && info->delregsused[1] ||
(_stricmp(paramvalue, "ECX") == 0) && info->delregsused[2])
EmitWarn(2, REGISTER_VALUE_OVERWRITTEN_BY_INVOKE);
break;
case 1:
if ((_stricmp(paramvalue, "EAX") == 0) && info->delregsused[0] ||
(_stricmp(paramvalue, "ECX") == 0) && info->delregsused[2])
EmitWarn(2, REGISTER_VALUE_OVERWRITTEN_BY_INVOKE);
break;
case 2:
if ((_stricmp(paramvalue, "EAX") == 0) && info->delregsused[0] ||
(_stricmp(paramvalue, "EDX") == 0) && info->delregsused[1])
EmitWarn(2, REGISTER_VALUE_OVERWRITTEN_BY_INVOKE);
}
}
if (param->sym.state == SYM_TMACRO && !addr)
AddLineQueueX(" mov %r, %s", reg, paramvalue);
else if (addr)
AddLineQueueX(" lea %r, %s", reg, paramvalue);
fcscratch++;
return( 1 );
}
/*
--------------------------------------------------------------------------------------------------------------------------
WINDOWS 64 FASTCALL HANDLERS
--------------------------------------------------------------------------------------------------------------------------
*/
#if AMD64_SUPPORT
static int ms64_fcstart(struct dsym const *proc, int numparams, int start, struct asm_tok tokenarray[], int *value)
/*******************************************************************************************************************/
{
int j;
if (proc->e.procinfo->has_vararg)
{
for (numparams = 0; tokenarray[start].token != T_FINAL; start++)
if (tokenarray[start].token == T_COMMA) {
numparams++;
}
}
DebugMsg1(("ms64_fcstart(%s, numparams=%u) vararg=%u\n", proc->sym.name, numparams, proc->e.procinfo->has_vararg));
j = 4;
if (numparams < j)
numparams = j;
else if (numparams & 1)
numparams++;
*value = numparams;
if (ModuleInfo.win64_flags & W64F_AUTOSTACKSP)
{
if ((numparams * sizeof(uint_64)) > sym_ReservedStack->value)
sym_ReservedStack->value = numparams * sizeof(uint_64);
}
else
AddLineQueueX(" sub %r, %d", T_RSP, numparams * sizeof(uint_64));
/* since Win64 fastcall doesn't push, it's a better/faster strategy to handle the arguments from left to right. */
return(0);
}
static void ms64_fcend(struct dsym const *proc, int numparams, int value)
/*************************************************************************/
{
/* use <value>, which has been set by ms64_fcstart() */
if (!(ModuleInfo.win64_flags & W64F_AUTOSTACKSP))
AddLineQueueX(" add %r, %d", T_RSP, value * 8);
return;
}
/* macro to convert register number to param number:
* 1 -> 0 (rCX)
* 2 -> 1 (rDX)
* 8 -> 2 (r8)
* 9 -> 3 (r9)
*/
#define GetParmIndex( x ) ( ( (x) >= 8 ) ? (x) - 6 : (x) - 1 )
/*
* parameter for Win64 FASTCALL.
* the first 4 parameters are held in registers: rcx, rdx, r8, r9 for non-float arguments,
* xmm0, xmm1, xmm2, xmm3 for float arguments. If parameter size is > 8, the address of
* the argument is used instead of the value.
* UASM 2.49 For structs that are not 1/2/4/8 bytes in size the address is used too, else they're passed
* in registers.
*/
static int ms64_param(struct dsym const *proc, int index, struct dsym *param, bool addr, struct expr *opnd, char *paramvalue, uint_8 *regs_used)
/************************************************************************************************************************************************/
{
uint_32 size;
uint_32 psize;
int reg;
int reg2;
int i;
int j = 0;
int tCount = 0;
int freevecregs = 0;
int vecidx = -1;
int membersize = 0; /* used for vectorcall array */
int memberCount = 0; /* used for vectorcall array */
int base;
struct proc_info *info = proc->e.procinfo;
struct dsym *t = NULL; /* used for vectorcall array member size */
bool destroyed = FALSE;
struct asym *sym = NULL;
DebugMsg1(("ms64_param(%s, index=%u, param.memtype=%Xh, addr=%u) enter\n", proc->sym.name, index, param->sym.mem_type, addr));
/* v2.11: default size is 32-bit, not 64-bit */
if (param->sym.is_vararg)
{
psize = 0;
/* v2.46 support automatic promotion of 64bit immediates in vararg invoke */
if (opnd->kind == EXPR_CONST && (opnd->llvalue > INT_MAX || opnd->llvalue < INT_MIN))
psize = 8;
else if (addr || opnd->instr == T_OFFSET)
psize = 8;
else if (opnd->kind == EXPR_REG && opnd->indirect == FALSE)
psize = SizeFromRegister(opnd->base_reg->tokval);
else if (opnd->mem_type != MT_EMPTY)
psize = SizeFromMemtype(opnd->mem_type, USE64, opnd->type);
if (psize < 4)
psize = 4;
}
else
psize = SizeFromMemtype(param->sym.mem_type, USE64, param->sym.type);
/* UASM 2.49 Force odd-sized structures to error: pass by reference! */
if (psize == 3 || psize == 5 || psize == 6 || psize == 7)
{
if (param->sym.mem_type == MT_TYPE)
{
EmitErr(INVALID_REG_STRUCT_SIZE);
}
}
if (vcallpass == 1)
goto vcall;
/* check for register overwrites; v2.11: moved out the if( index >= 4 ) block */
if (opnd->base_reg != NULL)
{
reg = opnd->base_reg->tokval;
if (GetValueSp(reg) & OP_R) {
i = GetRegNo(reg);
if (REGPAR_WIN64 & (1 << i)) {
base = GetParmIndex(i);
if (*regs_used & (1 << (base + RPAR_START)))
destroyed = TRUE;
}
else if ((*regs_used & R0_USED) && ((GetValueSp(reg) & OP_A) || reg == T_AH)) {
destroyed = TRUE;
}
}
}
if (opnd->idx_reg != NULL)
{
reg2 = opnd->idx_reg->tokval;
if (GetValueSp(reg2) & OP_R) {
i = GetRegNo(reg2);
if (REGPAR_WIN64 & (1 << i)) {
base = GetParmIndex(i);
if (*regs_used & (1 << (base + RPAR_START)))
destroyed = TRUE;
}
else if ((*regs_used & R0_USED) && ((GetValueSp(reg2) & OP_A) || reg2 == T_AH)) {
destroyed = TRUE;
}
}
}
if (destroyed)
{
EmitErr(REGISTER_VALUE_OVERWRITTEN_BY_INVOKE);
*regs_used = 0;
}
if ( ( (proc->sym.langtype == LANG_VECTORCALL) && (index >= 6) ) ||
( (proc->sym.langtype == LANG_FASTCALL) && (index >= 4) ) ) {
if (addr)
{
if (psize == 4)
i = T_EAX;
else {
i = T_RAX;
if (psize < 8)
EmitErr(INVOKE_ARGUMENT_TYPE_MISMATCH, index + 1);
}
*regs_used |= R0_USED;
AddLineQueueX(" lea %r, %s", i, paramvalue);
AddLineQueueX(" mov [%r+%u], %r", T_RSP, NUMQUAL index * 8, i);
DebugMsg(("ms64_param(%s, param=%u): ADDR flags=%X\n", proc->sym.name, index, *regs_used));
return(1);
}
if (opnd->kind == EXPR_CONST ||
(opnd->kind == EXPR_ADDR && opnd->indirect == FALSE && opnd->mem_type == MT_EMPTY && opnd->instr != T_OFFSET)) {
/* v2.06: support 64-bit constants for params > 4 */
if (psize == 8 &&
(opnd->value64 > H_LONG_MAX || opnd->value64 < H_LONG_MIN)) {
AddLineQueueX(" mov %r ptr [%r+%u], %r ( %s )", T_DWORD, T_RSP, NUMQUAL index * 8, T_LOW32, paramvalue);
AddLineQueueX(" mov %r ptr [%r+%u], %r ( %s )", T_DWORD, T_RSP, NUMQUAL index * 8 + 4, T_HIGH32, paramvalue);
return(1);
}
else {
/* v2.11: no expansion if target type is a pointer and argument is an address part */
if (param->sym.mem_type == MT_PTR && opnd->kind == EXPR_ADDR && opnd->sym->state != SYM_UNDEFINED) {
DebugMsg(("ms64_param(%s, param=%u): MT_PTR, type error, psize=%u\n", proc->sym.name, index, psize));
EmitErr(INVOKE_ARGUMENT_TYPE_MISMATCH, index + 1);
}
switch (psize) {
case 1: i = T_BYTE; break;
case 2: i = T_WORD; break;
case 4: i = T_DWORD; break;
default: i = T_QWORD; break;
}
AddLineQueueX(" mov %r ptr [%r+%u], %s", i, T_RSP, NUMQUAL index * 8, paramvalue);
return(1);
}
DebugMsg(("ms64_param(%s, param=%u): MT_EMPTY size.p=%u flags=%X\n", proc->sym.name, index, psize, *regs_used));
}
else if (opnd->kind == EXPR_FLOAT)
{
if (param->sym.mem_type == MT_REAL8) {
AddLineQueueX(" mov %r ptr [%r+%u+0], %r (%s)", T_DWORD, T_RSP, NUMQUAL index * 8, T_LOW32, paramvalue);
AddLineQueueX(" mov %r ptr [%r+%u+4], %r (%s)", T_DWORD, T_RSP, NUMQUAL index * 8, T_HIGH32, paramvalue);
return(1);
}
else {
AddLineQueueX(" mov %r ptr [%r+%u], %s", T_DWORD, T_RSP, NUMQUAL index * 8, paramvalue);
return(1);
}
}
else { /* it's a register or variable */
if (opnd->kind == EXPR_REG && opnd->indirect == FALSE)
{
size = SizeFromRegister(reg);
if (size == 0x10 && param->sym.mem_type == MT_REAL4)
{
AddLineQueueX(" %s %r ptr [%r+%u], %s", MOVE_SINGLE(), T_DWORD, T_RSP, NUMQUAL index*8, paramvalue);
return(1);
}
if (size == 0x10 && param->sym.mem_type == MT_REAL8)
{
AddLineQueueX(" %s %r ptr [%r+%u], %s", MOVE_DOUBLE(), T_QWORD, T_RSP, NUMQUAL index * 8, paramvalue);
return(1);
}
if (size == psize)
i = reg;
else {
if (size > psize || (size < psize && param->sym.mem_type == MT_PTR)) {
DebugMsg(("ms64_param(%s, param=%u): type error size.p/a=%u/%u flags=%X\n", proc->sym.name, index, psize, size, *regs_used));
EmitErr(INVOKE_ARGUMENT_TYPE_MISMATCH, index + 1);
psize = size;
}
switch (psize) {
case 1: i = T_AL; break;
case 2: i = T_AX; break;
case 4: i = T_EAX; break;
default: i = T_RAX; break;
}
*regs_used |= R0_USED;
}
DebugMsg(("ms64_param(%s, param=%u): REG size.p/a=%u/%u flags=%X\n", proc->sym.name, index, psize, size, *regs_used));
}
else {
if (opnd->mem_type == MT_EMPTY)
size = (opnd->instr == T_OFFSET ? 8 : 4);
else
size = SizeFromMemtype(opnd->mem_type, USE64, opnd->type);
DebugMsg(("ms64_param(%s, param=%u): MEM size.p/a=%u/%u flags=%X\n", proc->sym.name, index, psize, size, *regs_used));
switch (psize) {
case 1: i = T_AL; break;
case 2: i = T_AX; break;
case 4: i = T_EAX; break;
default: i = T_RAX; break;
}
if (proc->sym.langtype == LANG_VECTORCALL) return(1);
*regs_used |= R0_USED;
}
/* v2.11: no expansion if target type is a pointer */
if (size > psize || (size < psize && param->sym.mem_type == MT_PTR))
{
EmitErr(INVOKE_ARGUMENT_TYPE_MISMATCH, index + 1);
}
if (size != psize)
{
if (size == 4) {
if (IS_SIGNED(opnd->mem_type))
AddLineQueueX(" movsxd %r, %s", i, paramvalue);
else
AddLineQueueX(" mov %r, %s", i, paramvalue);
}
else
AddLineQueueX(" mov%sx %r, %s", IS_SIGNED(opnd->mem_type) ? "s" : "z", i, paramvalue);
}
else if (opnd->kind != EXPR_REG || opnd->indirect == TRUE)
AddLineQueueX(" mov %r, %s", i, paramvalue);
AddLineQueueX(" mov [%r+%u], %r", T_RSP, NUMQUAL index * 8, i);
return(1);
}
}
else if (param->sym.mem_type == MT_REAL4 || param->sym.mem_type == MT_REAL8)
{
/* v2.04: check if argument is the correct XMM register already */
if (opnd->kind == EXPR_REG && opnd->indirect == FALSE) {
if (GetValueSp(reg) & OP_XMM) {
if (proc->sym.langtype == LANG_VECTORCALL)
info->vregs[index] = 1;
if (reg == T_XMM0 + index)
DebugMsg(("ms64_param(%s, param=%u): argument optimized\n", proc->sym.name, index));
else
{
if (param->sym.mem_type == MT_REAL4)
AddLineQueueX(" %s %r, %s", MOVE_ALIGNED_FLOAT(), T_XMM0 + index, paramvalue);
else
AddLineQueueX(" %s %r, %s", MOVE_ALIGNED_FLOAT(), T_XMM0 + index, paramvalue);
}
return(1);
}
}
else if (opnd->kind == EXPR_REG && opnd->indirect == TRUE) {
if (reg == T_XMM0 + index)
DebugMsg(("ms64_param(%s, param=%u): argument optimized\n", proc->sym.name, index));
else
{
if (param->sym.mem_type == MT_REAL4)
AddLineQueueX(" %s %r, %s", MOVE_SIMD_DWORD(), T_XMM0 + index, paramvalue);
else
AddLineQueueX(" %s %r, %s", MOVE_SIMD_QWORD(), T_XMM0 + index, paramvalue);
}
return(1);
}
if (opnd->kind == EXPR_FLOAT) {
if (proc->sym.langtype == LANG_VECTORCALL)
{
info->vregs[index] = 1;
info->xyzused[index] = 1; /* JPH */
}
*regs_used |= R0_USED;
if (param->sym.mem_type == MT_REAL4) {
AddLineQueueX("mov %r, %s", T_EAX, paramvalue);
AddLineQueueX("%s %r, %r", MOVE_SIMD_DWORD(), T_XMM0 + index, T_EAX);
return(1);
}
else {
AddLineQueueX("mov %r, %r ptr %s", T_RAX, T_REAL8, paramvalue);
AddLineQueueX("%s %r, %r", MOVE_SIMD_QWORD(), T_XMM0 + index, T_RAX);
return(1);
}
}
if (opnd->kind == EXPR_ADDR) {
if (proc->sym.langtype == LANG_VECTORCALL)
{
*regs_used |= R0_USED;
info->vregs[index] = 1;
info->xyzused[index] = 1; /* JPH */
if (opnd->sym->mem_type == MT_REAL8)
{
AddLineQueueX("%s %r,qword ptr %s", MOVE_DOUBLE(), T_XMM0 + index, paramvalue);
}
else
{
AddLineQueueX("%s %r,dword ptr %s", MOVE_SINGLE(), T_XMM0 + index, paramvalue);
}
}
else
{
if (param->sym.mem_type == MT_REAL8)
AddLineQueueX("%s %r,qword ptr %s", MOVE_SIMD_QWORD(), T_XMM0 + index, paramvalue);
else if (param->sym.mem_type == MT_REAL4)
AddLineQueueX("%s %r,dword ptr %s", MOVE_SIMD_DWORD(), T_XMM0 + index, paramvalue);
}
return(1);
}
}
if (vcallpass == 1)
goto vcalldone;
vcall:
if ((proc->sym.langtype == LANG_VECTORCALL) && (psize == 8) && (param->sym.ttype != 0) && (param->sym.ttype->e.structinfo->isHFA) && (param->sym.mem_type == MT_TYPE)) {
/* it can be only HFA data type made of 2 REAL4 */
t = param->sym.ttype;
if (t != 0 && t->e.structinfo->isHFA && (vcallpass == 1))
{
freevecregs = 0;
vecidx = -1;
for (i = 0; i < 6; i++)
{
if (info->vregs[i] == 0)
{
if (vecidx == -1) vecidx = i;
freevecregs++;
}
}
memberCount = t->e.structinfo->memberCount;
if (memberCount > freevecregs) goto uselea;
membersize = psize / memberCount; //get the size of a single element which is REAL4 in this case
j = 0;
tCount = memberCount;
while (tCount > 0)
{
if (info->vregs[vecidx] == 0)
{
info->vregs[vecidx] = 1;
info->vecregs[index] = memberCount; //store number of members in proper location pointed by index
info->vsize += membersize; //vsize contains total size
info->vecregsize[vecidx] = membersize; //size of data tu be put in register
info->xyzused[vecidx] = 1; //mark that the placeholder for register is used
AddLineQueueX("%s %r,dword ptr [%s+%d]", MOVE_SINGLE(), T_XMM0 + vecidx, paramvalue, j* membersize);
tCount--;
j++;
}
vecidx++;
}
}
}
else if ((proc->sym.langtype == LANG_VECTORCALL) && (psize == 16) && (param->sym.ttype != 0) && (param->sym.ttype->e.structinfo->isHFA) && (param->sym.mem_type == MT_TYPE)) {
/* it can be only HFA data type made of 2 REAL8 */
t = param->sym.ttype;
if (t != 0 && t->e.structinfo->isHFA && (vcallpass == 1))
{
freevecregs = 0;
vecidx = -1;
for (i = 0; i < 6; i++)
{
if (info->vregs[i] == 0)
{
if (vecidx == -1) vecidx = i;
freevecregs++;
}
}
memberCount = t->e.structinfo->memberCount;
if (memberCount > freevecregs) goto uselea;
membersize = psize / memberCount; //get the size of a single element which is REAL4 in this case
j = 0;
tCount = memberCount;
if (membersize == 8)
{
while (tCount > 0)
{
if (info->vregs[vecidx] == 0)
{
info->vregs[vecidx] = 1;
info->vecregs[index] = memberCount; //store number of members in proper location pointed by index
info->vsize += membersize; //vsize contains total size
info->vecregsize[vecidx] = membersize; //size of data tu be put in register
info->xyzused[vecidx] = 1; //mark that the placeholder for register is used
AddLineQueueX("%s %r,qword ptr [%s+%d]", MOVE_DOUBLE(), T_XMM0 + vecidx, paramvalue, j * membersize);
tCount--;
j++;
}
vecidx++;
}
}
/* HFA data type made of 4 REAL4 */
else if (membersize == 4)
{
while (tCount > 0)
{
if (info->vregs[vecidx] == 0)
{
info->vregs[vecidx] = 1;
info->vecregs[index] = memberCount; //store number of members in proper location pointed by index
info->vsize += membersize; //vsize contains total size
info->vecregsize[vecidx] = membersize; //size of data tu be put in register
info->xyzused[vecidx] = 1; //mark that the placeholder for register is used
AddLineQueueX("%s %r,dword ptr [%s+%d]", MOVE_SINGLE(), T_XMM0 + vecidx, paramvalue, j * membersize);
tCount--;
j++;
}
vecidx++;
}
}
}
}
else if ((proc->sym.langtype == LANG_VECTORCALL) && (psize == 12) && (param->sym.ttype != 0) && (param->sym.ttype->e.structinfo->isHFA) && (param->sym.mem_type == MT_TYPE)) {
/* it can be only HFA data type made of 3 REAL4 */
t = param->sym.ttype;
if (t != 0 && t->e.structinfo->isHFA && (vcallpass == 1))
{
freevecregs = 0;
vecidx = -1;
for (i = 0; i < 6; i++)
{
if (info->vregs[i] == 0)
{
if (vecidx == -1) vecidx = i;
freevecregs++;
}
}
memberCount = t->e.structinfo->memberCount;
if (memberCount > freevecregs) goto uselea;
membersize = psize / memberCount; //get the size of a single element which is REAL4 in this case
j = 0;
tCount = memberCount;
while (tCount > 0)
{
if (info->vregs[vecidx] == 0)
{
info->vregs[vecidx] = 1;
info->vecregs[index] = memberCount; //store number of members in proper location pointed by index
info->vsize += membersize; //vsize contains total size
info->vecregsize[vecidx] = membersize; //size of data tu be put in register
info->xyzused[vecidx] = 1; //mark that the placeholder for register is used
AddLineQueueX("%s %r,dword ptr [%s+%d]", MOVE_SINGLE(), T_XMM0 + vecidx, paramvalue, j * membersize);
tCount--;
j++;
}
vecidx++;
}
}
}
else if ((proc->sym.langtype == LANG_VECTORCALL) && (psize == 24) && (param->sym.ttype != 0) && (param->sym.ttype->e.structinfo->isHFA) && (param->sym.mem_type == MT_TYPE)) {
/* it can be only HFA data type made of 3 REAL8 */
t = param->sym.ttype;
if (t != 0 && t->e.structinfo->isHFA && (vcallpass == 1))
{
freevecregs = 0;
vecidx = -1;
for (i = 0; i < 6; i++)
{
if (info->vregs[i] == 0)
{
if (vecidx == -1) vecidx = i;
freevecregs++;
}
}
memberCount = t->e.structinfo->memberCount;
if (memberCount > freevecregs) goto uselea;
membersize = psize / memberCount; //get the size of a single element which is REAL4 in this case
j = 0;
tCount = memberCount;
while (tCount > 0)
{
if (info->vregs[vecidx] == 0)
{
info->vregs[vecidx] = 1;
info->vecregs[index] = memberCount; //store number of members in proper location pointed by index
info->vsize += membersize; //vsize contains total size
info->vecregsize[vecidx] = membersize; //size of data tu be put in register
info->xyzused[vecidx] = 1; //mark that the placeholder for register is used
AddLineQueueX("%s %r,qword ptr [%s+%d]", MOVE_DOUBLE(), T_XMM0 + vecidx, paramvalue, j * membersize);
tCount--;
j++;
}
vecidx++;
}
}
}
else if ((proc->sym.langtype == LANG_VECTORCALL) && (psize == 32) && (param->sym.ttype != 0) && (param->sym.ttype->e.structinfo->isHFA) && (param->sym.mem_type == MT_TYPE)) {
/* it can be only HFA data type made of 4 REAL8 */
t = param->sym.ttype;
if (t != 0 && t->e.structinfo->isHFA && (vcallpass == 1))
{
freevecregs = 0;
vecidx = -1;
for (i = 0; i < 6; i++)
{
if (info->vregs[i] == 0)
{
if (vecidx == -1) vecidx = i;
freevecregs++;
}
}
memberCount = t->e.structinfo->memberCount;
if (memberCount > freevecregs) goto uselea;
membersize = psize / memberCount; //get the size of a single element which is REAL4 in this case
j = 0;
tCount = memberCount;
while (tCount > 0)
{
if (info->vregs[vecidx] == 0)
{
info->vregs[vecidx] = 1;
info->vecregs[index] = memberCount; //store number of members in proper location pointed by index
info->vsize += membersize; //vsize contains total size
info->vecregsize[vecidx] = membersize; //size of data tu be put in register
info->xyzused[vecidx] = 1; //mark that the placeholder for register is used
AddLineQueueX("%s %r,qword ptr [%s+%d]", MOVE_DOUBLE(), T_XMM0 + vecidx, paramvalue, j * 8);
tCount--;
j++;
}
vecidx++;
}
}