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proc.c
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/****************************************************************************
*
* This code is Public Domain.
*
* ========================================================================
*
* Description: Processing of PROC/ENDP/LOCAL directives.
*
****************************************************************************/
#include <ctype.h>
#include "globals.h"
#include "memalloc.h"
#include "parser.h"
#include "segment.h"
#include "extern.h"
#include "equate.h"
#include "fixup.h"
#include "label.h"
#include "input.h"
#include "lqueue.h"
#include "tokenize.h"
#include "expreval.h"
#include "types.h"
#include "condasm.h"
#include "macro.h"
#include "proc.h"
#include "fastpass.h"
#include "listing.h"
#include "posndir.h"
#include "myassert.h"
#include "reswords.h"
#if AMD64_SUPPORT
#include "win64seh.h"
#endif
#ifdef __I86__
#define NUMQUAL (long)
#else
#define NUMQUAL
#endif
/* STACKPROBE: emit a conditional "call __chkstk" inside the prologue
* if stack space that is to be allocated exceeds 1000h bytes.
* this is currently implemented for 64-bit only,
* if OPTION FRAME:AUTO is set and the procedure has the FRAME attribute.
* it's not active by default because, in a few cases, the listing might get messed.
*/
#define STACKPROBE 0
extern const char szDgroup[];
extern uint_32 list_pos; /* current LST file position */
extern unsigned char regsize[6];
/*
* Masm allows nested procedures
* but they must NOT have params or locals
*/
/*
* calling convention FASTCALL supports:
* - Watcom C: registers e/ax,e/dx,e/bx,e/cx
* - MS fastcall 16-bit: registers ax,dx,bx (default for 16bit)
* - MS fastcall 32-bit: registers ecx,edx (default for 32bit)
* - Win64: registers rcx, rdx, r8, r9 (default for 64bit)
*/
struct dsym *CurrProc; /* current procedure */
int procidx; /* procedure index */
int CurrProcLine;
int XYZMMsize;
static struct proc_info *ProcStack;
/* v2.11: ProcStatus replaced DefineProc */
enum proc_status ProcStatus;
#if AMD64_SUPPORT
static bool endprolog_found;
static uint_8 unw_segs_defined;
static UNWIND_INFO unw_info;
static UNWIND_CODE unw_code[258]; /* 255 is the max */
#endif
#if AMD64_SUPPORT
/* @ReservedStack symbol; used when option W64F_AUTOSTACKSP has been set */
struct asym *sym_ReservedStack; /* max stack space required by INVOKE */
#endif
/* tables for FASTCALL support */
/* v2.07: 16-bit MS FASTCALL registers are AX, DX, BX.
* And params on stack are in PASCAL order.
*/
//static const enum special_token ms32_regs16[] = { T_CX, T_DX };
static const enum special_token ms16_regs16[] = { T_AX, T_DX, T_BX };
static const enum special_token ms16_regs8[] = { T_AL, T_DL, T_BL };
static const enum special_token ms32_regs32[] = { T_ECX, T_EDX };
static const enum special_token ms32_regs16[] = { T_CX, T_DX };
static const enum special_token ms32_regs8[] = { T_CL, T_DL };
static const enum special_token delphi_regs32[] = { T_EAX, T_EDX, T_ECX, };
static const enum special_token thiscall_regs32[] = { T_ECX };
static const enum special_token thiscall_regs16[] = { T_CX };
static const enum special_token thiscall_regs8[] = { T_CL };
/* v2.07: added */
static const int ms32_maxreg[] = {
sizeof(ms16_regs16) / sizeof(ms16_regs16[0]),
sizeof(ms32_regs32) / sizeof(ms32_regs32[0]),
};
static const int thiscall_maxreg[] = {
sizeof(thiscall_regs32) / sizeof(thiscall_regs32[0]),
sizeof(thiscall_regs32) / sizeof(thiscall_regs32[0]),
};
static const int delphi_maxreg[] = {
sizeof(delphi_regs32) / sizeof(delphi_regs32[0]),
sizeof(delphi_regs32) / sizeof(delphi_regs32[0]),
};
#if OWFC_SUPPORT
static const enum special_token watc_regs8[] = { T_AL, T_DL, T_BL, T_CL };
static const enum special_token watc_regs16[] = { T_AX, T_DX, T_BX, T_CX };
static const enum special_token watc_regs32[] = { T_EAX, T_EDX, T_EBX, T_ECX };
static const enum special_token watc_regs_qw[] = { T_AX, T_BX, T_CX, T_DX };
#endif
#if AMD64_SUPPORT
static const enum special_token ms64_regs64[] = { T_RCX, T_RDX, T_R8, T_R9 };
static const enum special_token ms64_regs32[] = { T_ECX, T_EDX, T_R8D, T_R9D };
static const enum special_token ms64_regs16[] = { T_CX, T_DX, T_R8W, T_R9W };
static const enum special_token ms64_regs8[] = { T_CL, T_DL, T_R8B, T_R9B };
static const enum special_token ms64_regsXMM[] = { T_XMM0, T_XMM1, T_XMM2, T_XMM3 };
/*static const enum special_token ms64_regsYMM[] = { T_YMM0, T_YMM1, T_YMM2, T_YMM3 };
static const enum special_token ms64_regsZMM[] = { T_ZMM0, T_ZMM1, T_ZMM2, T_ZMM3 };*/
static const enum special_token vectorcallms64_regsXMM[] = { T_XMM0, T_XMM1, T_XMM2, T_XMM3, T_XMM4, T_XMM5 };
static const enum special_token vectorcallms64_regsYMM[] = { T_YMM0, T_YMM1, T_YMM2, T_YMM3, T_YMM4, T_YMM5 };
static const enum special_token vectorcallms64_regsZMM[] = { T_ZMM0, T_ZMM1, T_ZMM2, T_ZMM3, T_ZMM4, T_ZMM5 };
static const enum special_token sysV64_regs64[] = { T_RDI, T_RSI, T_RDX, T_RCX, T_R8, T_R9 };
static const enum special_token sysV64_regs32[] = { T_EDI, T_ESI, T_EDX, T_ECX, T_R8D, T_R9D };
static const enum special_token sysV64_regs16[] = { T_DI, T_SI, T_DX, T_CX, T_R8W, T_R9W };
static const enum special_token sysV64_regs8[] = { T_DIL, T_SIL, T_DL, T_CL, T_R8B, T_R9B };
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 };
static const enum special_token sysV32_regsXMM[] = { T_XMM0, T_XMM1, T_XMM2 };
static const enum special_token sysV32_regsYMM[] = { T_YMM0, T_YMM1, T_YMM2 };
static const enum special_token sysV32_regsZMM[] = { T_ZMM0, T_ZMM1, T_ZMM2 };
#if REGCALL_SUPPORT
static const enum special_token regcallunix64_regs64[] = { T_RAX, T_RCX, T_RDX, T_RDI, T_RSI, T_R8, T_R9, T_R10, T_R11, T_R12, T_R14, T_R15 };
static const enum special_token regcallunix64_regs32[] = { T_EAX, T_ECX, T_EDX, T_EDI, T_ESI, T_R8D, T_R9D, T_R10D, T_R11D, T_R12D, T_R14D, T_R15D };
static const enum special_token regcallunix64_regs16[] = { T_AX, T_CX, T_DX, T_DI, T_SI, T_R8W, T_R9W, T_R10W, T_R11W, T_R12W, T_R14W, T_R15W };
static const enum special_token regcallunix64_regs8[] = { T_AL, T_CL, T_DL, T_DIL, T_SIL, T_R8B, T_R9B, T_R10B, T_R11B, T_R12B, T_R14B, T_R15B };
static const enum special_token regcallms64_regs64[] = { T_RAX, T_RCX, T_RDX, T_RDI, T_RSI, T_R8, T_R9, T_R11, T_R12, T_R14, T_R15 };
static const enum special_token regcallms64_regs32[] = { T_EAX, T_ECX, T_EDX, T_EDI, T_ESI, T_R8D, T_R9D, T_R11D, T_R12D, T_R14D, T_R15D };
static const enum special_token regcallms64_regs16[] = { T_AX, T_CX, T_DX, T_DI, T_SI, T_R8W, T_R9W, T_R11W, T_R12W, T_R14W, T_R15W };
static const enum special_token regcallms64_regs8[] = { T_AL, T_CL, T_DL, T_DIL, T_SIL, T_R8B, T_R9B, T_R11B, T_R12B, T_R14B, T_R15B };
static const enum special_token regcall64_regsXMM[] = { T_XMM0, T_XMM1, T_XMM2, T_XMM3, T_XMM4, T_XMM5, T_XMM6, T_XMM7, T_XMM8, T_XMM9, T_XMM10, T_XMM11, T_XMM12, T_XMM13, T_XMM14, T_XMM15 };
static const enum special_token regcall64_regsYMM[] = { T_YMM0, T_YMM1, T_YMM2, T_YMM3, T_YMM4, T_YMM5, T_YMM6, T_YMM7, T_YMM8, T_YMM9, T_YMM10, T_YMM11, T_YMM12, T_YMM13, T_YMM14, T_YMM15 };
static const enum special_token regcall64_regsZMM[] = { T_ZMM0, T_ZMM1, T_ZMM2, T_ZMM3, T_ZMM4, T_ZMM5, T_ZMM6, T_ZMM7, T_ZMM8, T_ZMM9, T_ZMM10, T_ZMM11, T_ZMM12, T_ZMM13, T_ZMM14, T_ZMM15 };
static const enum special_token regcallunix32_regs32[] = { T_EAX, T_ECX, T_EDX, T_EDI, T_ESI };
static const enum special_token regcallunix32_regs16[] = { T_AX, T_CX, T_DX, T_DI, T_SI };
static const enum special_token regcallunix32_regs8[] = { T_AL, T_CL, T_DL, T_DIL, T_SIL };
static const enum special_token regcallms32_regs32[] = { T_ECX, T_EDX, T_EDI, T_ESI };
static const enum special_token regcallms16_regs16[] = { T_CX, T_DX, T_DI, T_SI };
static const enum special_token regcallms32_regs8[] = { T_CL, T_DL, T_DIL, T_SIL };
static const enum special_token regcall32_regsXMM[] = { T_XMM0, T_XMM1, T_XMM2, T_XMM3, T_XMM4, T_XMM5, T_XMM6, T_XMM7 };
static const enum special_token regcall32_regsYMM[] = { T_YMM0, T_YMM1, T_YMM2, T_YMM3, T_YMM4, T_YMM5, T_YMM6, T_YMM7 };
static const enum special_token regcall32_regsZMM[] = { T_ZMM0, T_ZMM1, T_ZMM2, T_ZMM3, T_ZMM4, T_ZMM5, T_ZMM6, T_ZMM7 };
#endif
static const enum special_token vectorcall32_regsXMM[] = { T_XMM0, T_XMM1, T_XMM2, T_XMM3, T_XMM4, T_XMM5 };
static const enum special_token vectorcall32_regsYMM[] = { T_YMM0, T_YMM1, T_YMM2, T_YMM3, T_YMM4, T_YMM5 };
static const enum special_token vectorcall32_regsZMM[] = { T_ZMM0, T_ZMM1, T_ZMM2, T_ZMM3, T_ZMM4, T_ZMM5 };
/* win64 non-volatile GPRs: T_RBX, T_RBP, T_RSI, T_RDI, T_R12, T_R13, T_R14, T_R15 */
static const uint_16 win64_nvgpr = 0xF0E8;
/* win64 non-volatile XMM regs: XMM6-XMM15 */
static const uint_16 win64_nvxmm = 0xFFC0;
/* win64 regcall non-volatile GPRs: T_RBX, T_RBP, T_R12, T_R13, T_R14, T_R15 */
static const uint_16 regcallwin64_nvgpr = 0xF028;
/* win64 regcall non-volatile XMM regs: XMM8 - XMM15 as long as they were not used for passing a parameter or returning a value*/
static const uint_16 regcallwin64_nvxmm = 0xFF00;
static const int sysv_maxreg[] = {
sizeof(sysV64_regs64) / sizeof(sysV64_regs64[0]),
sizeof(sysV64_regs64) / sizeof(sysV64_regs64[0]),
};
static const int regcallms32_maxreg[] = {
sizeof(regcallms32_regs32) / sizeof(regcallms32_regs32[0]),
sizeof(regcallms32_regs32) / sizeof(regcallms32_regs32[0]),
};
static const int regcallms64_maxreg[] = {
sizeof(regcallms64_regs64) / sizeof(regcallms64_regs64[0]),
sizeof(regcallms64_regs64) / sizeof(regcallms64_regs64[0]),
};
static const int regcallunix32_maxreg[] = {
sizeof(regcallunix32_regs32) / sizeof(regcallunix32_regs32[0]),
sizeof(regcallunix32_regs32) / sizeof(regcallunix32_regs32[0]),
};
static const int regcallunix64_maxreg[] = {
sizeof(regcallunix64_regs64) / sizeof(regcallunix64_regs64[0]),
sizeof(regcallunix64_regs64) / sizeof(regcallunix64_regs64[0]),
};
#endif
struct fastcall_conv {
int(*paramcheck)(struct dsym *, struct dsym *, int *, int*);
void(*handlereturn)(struct dsym *, char *buffer);
};
struct thiscall_conv {
int(*paramcheck)(struct dsym*, struct dsym*, int*);
void(*handlereturn)(struct dsym*, char* buffer);
};
struct vectorcall_conv {
int(*paramcheck)(struct dsym *, struct dsym *, int *, int*);
void(*handlereturn)(struct dsym *, char *buffer);
};
struct sysvcall_conv {
int(*paramcheck)(struct dsym *, struct dsym *, int *, int *);
void(*handlereturn)(struct dsym *, char *buffer);
};
struct regcallms_conv {
int(*paramcheck)(struct dsym*, struct dsym*, int*, int*);
void(*handlereturn)(struct dsym*, char* buffer);
};
struct regcallunix_conv {
int(*paramcheck)(struct dsym*, struct dsym*, int*, int*);
void(*handlereturn)(struct dsym*, char* buffer);
};
struct delphicall_conv {
int(*paramcheck)(struct dsym *, struct dsym *, int *);
void(*handlereturn)(struct dsym *, char *buffer);
};
static int ms32_pcheck(struct dsym *, struct dsym *, int *, int*);
static void ms32_return(struct dsym *, char *);
#if OWFC_SUPPORT
static int watc_pcheck(struct dsym *, struct dsym *, int *);
static void watc_return(struct dsym *, char *);
#endif
#if AMD64_SUPPORT
static int ms64_pcheck(struct dsym *, struct dsym *, int *, int*);
static void ms64_return(struct dsym *, char *);
#endif
#if SYSV_SUPPORT
static int sysv_pcheck(struct dsym *, struct dsym *, int *, int *);
static void sysv_return(struct dsym *, char *);
#endif
#if DELPHI_SUPPORT
static int delphi_pcheck(struct dsym *, struct dsym *, int *);
static void delphi_return(struct dsym *, char *);
#endif
static void check_proc_fpo(struct proc_info *);
/* table of fastcall types.
* must match order of enum fastcall_type!
* also see table in mangle.c!
*/
static const struct fastcall_conv fastcall_tab[] = {
{ ms32_pcheck, ms32_return }, /* FCT_MSC */
#if OWFC_SUPPORT
{ watc_pcheck, watc_return }, /* FCT_WATCOMC */
#endif
#if AMD64_SUPPORT
{ ms64_pcheck, ms64_return } /* FCT_WIN64 */
#endif
};
static const struct thiscall_conv thiscall_tab[] = {
{ ms32_pcheck, ms32_return }, /* FCT_MSC */
#if OWFC_SUPPORT
{ watc_pcheck, watc_return }, /* FCT_WATCOMC */
#endif
#if AMD64_SUPPORT
{ ms64_pcheck, ms64_return } /* FCT_WIN64 */
#endif
};
static const struct vectorcall_conv vectorcall_tab[] = {
{ ms32_pcheck, ms32_return }, /* FCT_MSC */
#if OWFC_SUPPORT
{ watc_pcheck, watc_return }, /* FCT_WATCOMC */
#endif
#if AMD64_SUPPORT
{ ms64_pcheck, ms64_return } /* FCT_WIN64 */
#endif
};
static const struct sysvcall_conv sysvcall_tab[] = {
{ ms32_pcheck, ms32_return }, /* FCT_MSC */
#if OWFC_SUPPORT
{ watc_pcheck, watc_return }, /* FCT_WATCOMC */
#endif
#if SYSV_SUPPORT
{ sysv_pcheck, sysv_return } /* FCT_WIN64 / SYSTEMV */
#endif
};
static const struct regcallms_conv regcallms_tab[] = {
{ ms32_pcheck, ms32_return }, /* FCT_MSC */
#if OWFC_SUPPORT
{ watc_pcheck, watc_return }, /* FCT_WATCOMC */
#endif
#if AMD64_SUPPORT
{ ms64_pcheck, ms64_return } /* FCT_WIN64 */
#endif
};
static const struct regcallunix_conv regcallunix_tab[] = {
{ ms32_pcheck, ms32_return }, /* FCT_MSC */
#if OWFC_SUPPORT
{ watc_pcheck, watc_return }, /* FCT_WATCOMC */
#endif
#if SYSV_SUPPORT
{ sysv_pcheck, sysv_return } /* FCT_WIN64 / SYSTEMV */
#endif
};
static const struct delphicall_conv delphicall_tab[] = {
{ delphi_pcheck, delphi_return }, /* FCT_MSC / DELPHI */
#if OWFC_SUPPORT
{ watc_pcheck, watc_return }, /* FCT_WATCOMC */
#endif
#if AMD64_SUPPORT
{ ms64_pcheck, ms64_return } /* FCT_WIN64 */
#endif
};
const enum special_token stackreg[] = { T_SP, T_ESP,
#if AMD64_SUPPORT
T_RSP
#endif
};
#if STACKBASESUPP==0
const enum special_token basereg[] = {
T_BP, T_EBP,
#if AMD64_SUPPORT
T_RBP
#endif
};
#else
uint_32 StackAdj; /* value of @StackBase variable */
int_32 StackAdjHigh;
#endif
#if AMD64_SUPPORT
static const char * const fmtstk0[] = {
"sub %r, %d",
"%r %d",
#if STACKPROBE
"mov %r, %d",
#endif
};
static const char * const fmtstk1[] = {
"sub %r, %d + %s",
"%r %d + %s",
#if STACKPROBE
"mov %r, %d + %s",
#endif
};
static const char * const fmtstk2[] = {
"lea %r, [%r + %d]",
};
static const char * const fmtstk3[] = {
"lea %r, [%r + %d + %s]",
};
#endif
#define ROUND_UP( i, r ) (((i)+((r)-1)) & ~((r)-1))
/* Declare proc functions */
static void SetLocalOffsets_RSP(struct proc_info *info);
static void SetLocalOffsets_RBP(struct proc_info *info);
static void pop_register(uint_16 *regist);
static void WriteSEHData(struct dsym *proc);
#if OWFC_SUPPORT
/* register usage for OW fastcall (register calling convention).
* registers are used for parameter size 1,2,4,8.
* if a parameter doesn't fit in a register, a register pair is used.
* however, valid register pairs are e/dx:e/ax and e/cx:e/bx only!
* if a parameter doesn't fit in a register pair, registers
* are used ax:bx:cx:dx!!!
* stack cleanup for OW fastcall: if the proc is VARARG, the caller
* will do the cleanup, else the called proc does it.
* in VARARG procs, all parameters are pushed onto the stack!
*/
static int watc_pcheck(struct dsym *proc, struct dsym *paranode, int *used)
/***************************************************************************/
{
static char regname[64];
static char regist[32];
int newflg;
int shift;
int firstreg;
uint_8 Ofssize = GetSymOfssize(&proc->sym);
int size = SizeFromMemtype(paranode->sym.mem_type, paranode->sym.Ofssize, paranode->sym.type);
/* v2.05: VARARG procs don't have register params */
if (proc->e.procinfo->has_vararg)
return(0);
if (size != 1 && size != 2 && size != 4 && size != 8)
return(0);
/* v2.05: rewritten. The old code didn't allow to "fill holes" */
if (size == 8) {
newflg = Ofssize ? 3 : 15;
shift = Ofssize ? 2 : 4;
}
else if (size == 4 && Ofssize == USE16) {
newflg = 3;
shift = 2;
}
else {
newflg = 1;
shift = 1;
}
/* scan if there's a free register (pair/quadrupel) */
for (firstreg = 0; firstreg < 4 && (newflg & *used); newflg <<= shift, firstreg += shift);
if (firstreg >= 4) /* exit if nothing is free */
return(0);
paranode->sym.state = SYM_TMACRO;
switch (size) {
case 1:
paranode->sym.regist[0] = watc_regs8[firstreg];
break;
case 2:
paranode->sym.regist[0] = watc_regs16[firstreg];
break;
case 4:
if (Ofssize) {
paranode->sym.regist[0] = watc_regs32[firstreg];
}
else {
paranode->sym.regist[0] = watc_regs16[firstreg];
paranode->sym.regist[1] = watc_regs16[firstreg + 1];
}
break;
case 8:
if (Ofssize) {
paranode->sym.regist[0] = watc_regs32[firstreg];
paranode->sym.regist[1] = watc_regs32[firstreg + 1];
}
else {
/* the AX:BX:CX:DX sequence is for 16-bit only.
* fixme: no support for codeview debug info yet;
* the S_REGISTER record supports max 2 registers only.
*/
for (firstreg = 0, regname[0] = NULLC; firstreg < 4; firstreg++) {
GetResWName(watc_regs_qw[firstreg], regname + strlen(regname));
if (firstreg != 3)
strcat(regname, "::");
}
}
}
if (paranode->sym.regist[1]) {
sprintf(regname, "%s::%s",
GetResWName(paranode->sym.regist[1], regist),
GetResWName(paranode->sym.regist[0], NULL));
}
else if (paranode->sym.regist[0]) {
GetResWName(paranode->sym.regist[0], regname);
}
*used |= newflg;
paranode->sym.string_ptr = LclAlloc(strlen(regname) + 1);
strcpy(paranode->sym.string_ptr, regname);
DebugMsg(("watc_pcheck(%s.%s): size=%u ptr=%u far=%u reg=%s\n", proc->sym.name, paranode->sym.name, size, paranode->sym.is_ptr, paranode->sym.isfar, regname));
return(1);
}
static void watc_return(struct dsym *proc, char *buffer)
/********************************************************/
{
int value;
value = 4 * CurrWordSize;
if (proc->e.procinfo->has_vararg == FALSE && proc->e.procinfo->parasize > value)
sprintf(buffer + strlen(buffer), "%d%c", proc->e.procinfo->parasize - value, ModuleInfo.radix != 10 ? 't' : NULLC);
return;
}
#endif
/* the MS Win32 fastcall ABI is simple: register ecx and edx are used,
* if the parameter's value fits into the register.
* there is no space reserved on the stack for a register backup.
* The 16-bit ABI uses registers AX, DX and BX - additional registers
* are pushed in PASCAL order (i.o.w.: left to right).
*/
static int ms32_pcheck(struct dsym *proc, struct dsym *paranode, int *used, int* vecused)
/***************************************************************************/
{
char regname[32];
int size = SizeFromMemtype(paranode->sym.mem_type, paranode->sym.Ofssize, paranode->sym.type);
paranode->sym.string_ptr = NULL; // Ensure it's null first.
/* v2.07: 16-bit has 3 register params (AX,DX,BX) */
//if ( size > CurrWordSize || *used >= 2 )
if (proc->sym.langtype == LANG_REGCALL)
{
if (Options.output_format == OFORMAT_COFF)
{
if (!(paranode->sym.mem_type == MT_REAL4 || paranode->sym.mem_type == MT_REAL8 \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m128") == 0) || paranode->sym.mem_type == MT_OWORD \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m256") == 0) || paranode->sym.mem_type == MT_YMMWORD \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m512") == 0) || paranode->sym.mem_type == MT_ZMMWORD) \
&& (size > CurrWordSize || *used >= regcallms32_maxreg[ModuleInfo.Ofssize]))
return(NOT_ERROR);
}
else if (Options.output_format == OFORMAT_ELF)
{
if (!(paranode->sym.mem_type == MT_REAL4 || paranode->sym.mem_type == MT_REAL8 \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m128") == 0) || paranode->sym.mem_type == MT_OWORD \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m256") == 0) || paranode->sym.mem_type == MT_YMMWORD \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m512") == 0) || paranode->sym.mem_type == MT_ZMMWORD) \
&& (size > CurrWordSize || *used >= regcallunix32_maxreg[ModuleInfo.Ofssize]))
return(NOT_ERROR);
}
}
else if (proc->sym.langtype == LANG_VECTORCALL && Options.output_format == OFORMAT_COFF)
{
if (!(paranode->sym.mem_type == MT_REAL4 || paranode->sym.mem_type == MT_REAL8 \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m128") == 0) || paranode->sym.mem_type == MT_OWORD \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m256") == 0) || paranode->sym.mem_type == MT_YMMWORD \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m512") == 0) || paranode->sym.mem_type == MT_ZMMWORD) \
&& (size > CurrWordSize || *used >= ms32_maxreg[ModuleInfo.Ofssize]))
return(NOT_ERROR);
}
else if (proc->sym.langtype == LANG_THISCALL && Options.output_format == OFORMAT_COFF)
{
if (size > CurrWordSize || *used >= thiscall_maxreg[ModuleInfo.Ofssize] || paranode->sym.mem_type == MT_REAL4 || paranode->sym.mem_type == MT_REAL8 \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m128") == 0) || paranode->sym.mem_type == MT_OWORD \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m256") == 0) || paranode->sym.mem_type == MT_YMMWORD \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m512") == 0) || paranode->sym.mem_type == MT_ZMMWORD)
return(NOT_ERROR);
}
else if (proc->sym.langtype == LANG_SYSVCALL && Options.output_format == OFORMAT_ELF)
{
if (!(paranode->sym.mem_type == MT_REAL4 || paranode->sym.mem_type == MT_REAL8 \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m128") == 0) || paranode->sym.mem_type == MT_OWORD \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m256") == 0) || paranode->sym.mem_type == MT_YMMWORD) \
&& (((paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m512") == 0) || paranode->sym.mem_type == MT_ZMMWORD) \
|| (size > CurrWordSize || *used >= 1)))
return(NOT_ERROR);
}
else
{
if (size > CurrWordSize || *used >= ms32_maxreg[ModuleInfo.Ofssize] || paranode->sym.mem_type == MT_REAL4 || paranode->sym.mem_type == MT_REAL8 \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m128") == 0) || paranode->sym.mem_type == MT_OWORD \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m256") == 0) || paranode->sym.mem_type == MT_YMMWORD \
|| (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m512") == 0) || paranode->sym.mem_type == MT_ZMMWORD)
return(NOT_ERROR);
}
//===============================================================================================================
// Handle Vector -> SIMD Parameter Types
//===============================================================================================================
// Parameter is either XMM, float, double or __M128
if ((paranode->sym.mem_type == MT_REAL4) || (paranode->sym.mem_type == MT_REAL8) || (paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m128") == 0) || paranode->sym.mem_type == MT_OWORD)
{
if (proc->sym.langtype == LANG_REGCALL && (Options.output_format == OFORMAT_COFF || Options.output_format == OFORMAT_ELF))
{
if (*vecused >= 8)
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
}
else if (proc->sym.langtype == LANG_VECTORCALL && Options.output_format == OFORMAT_COFF)
{
if (*vecused >= 6)
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
}
else if (proc->sym.langtype == LANG_SYSVCALL && Options.output_format == OFORMAT_ELF)
{
if (*vecused >= 3)
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
}
else
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
paranode->sym.state = SYM_TMACRO;
if (proc->sym.langtype == LANG_REGCALL && (Options.output_format == OFORMAT_COFF || Options.output_format == OFORMAT_ELF))
{
GetResWName(regcall32_regsXMM[*vecused], regname);
paranode->sym.tokval = regcall32_regsXMM[*vecused]; /* Store register tokval so invoke can use it */
}
else if (proc->sym.langtype == LANG_VECTORCALL && Options.output_format == OFORMAT_COFF)
{
GetResWName(vectorcall32_regsXMM[*vecused], regname);
paranode->sym.tokval = vectorcall32_regsXMM[*vecused]; /* Store register tokval so invoke can use it */
}
else if (proc->sym.langtype == LANG_SYSVCALL && Options.output_format == OFORMAT_ELF)
{
GetResWName(sysV32_regsXMM[*vecused], regname);
paranode->sym.tokval = sysV32_regsXMM[*vecused]; /* Store register tokval so invoke can use it */
}
paranode->sym.total_size = 0;
paranode->sym.string_ptr = LclAlloc(strlen(regname) + 1);
strcpy(paranode->sym.string_ptr, regname);
(*vecused)++;
proc->e.procinfo->firstVEC = *vecused;
return(1);
}
// Parameter is either YMM or __m256
if ((paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m256") == 0) || paranode->sym.mem_type == MT_YMMWORD)
{
if (proc->sym.langtype == LANG_REGCALL && (Options.output_format == OFORMAT_COFF || Options.output_format == OFORMAT_ELF))
{
if (*vecused >= 8)
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
}
else if (proc->sym.langtype == LANG_VECTORCALL && Options.output_format == OFORMAT_COFF)
{
if (*vecused >= 6)
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
}
/*else if (proc->sym.langtype == LANG_SYSVCALL && Options.output_format == OFORMAT_ELF)
{
if (*vecused >= 3)
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
}*/
else
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
paranode->sym.state = SYM_TMACRO;
if (proc->sym.langtype == LANG_REGCALL && (Options.output_format == OFORMAT_COFF || Options.output_format == OFORMAT_ELF))
{
GetResWName(regcall32_regsYMM[*vecused], regname);
paranode->sym.tokval = regcall32_regsYMM[*vecused]; /* Store register tokval so invoke can use it */
}
else if (proc->sym.langtype == LANG_VECTORCALL && Options.output_format == OFORMAT_COFF)
{
GetResWName(vectorcall32_regsYMM[*vecused], regname);
paranode->sym.tokval = vectorcall32_regsYMM[*vecused]; /* Store register tokval so invoke can use it */
}
/*else if (proc->sym.langtype == LANG_SYSVCALL && Options.output_format == OFORMAT_ELF)
{
GetResWName(sysV32_regsYMM[*vecused], regname);
paranode->sym.tokval = sysV32_regsYMM[*vecused]; / * Store register tokval so invoke can use it * /
}*/
paranode->sym.total_size = 0;
paranode->sym.string_ptr = LclAlloc(strlen(regname) + 1);
strcpy(paranode->sym.string_ptr, regname);
(*vecused)++;
proc->e.procinfo->firstVEC = *vecused;
return(1);
}
// Parameter is either ZMM or __m512
if ((paranode->sym.mem_type == MT_TYPE && _stricmp(paranode->sym.type->name, "__m512") == 0) || paranode->sym.mem_type == MT_ZMMWORD)
{
if (proc->sym.langtype == LANG_REGCALL && (Options.output_format == OFORMAT_COFF || Options.output_format == OFORMAT_ELF))
{
if (*vecused >= 8)
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
}
else if (proc->sym.langtype == LANG_VECTORCALL && Options.output_format == OFORMAT_COFF)
{
if (*vecused >= 6)
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
}
/*else if (proc->sym.langtype == LANG_SYSVCALL && Options.output_format == OFORMAT_ELF)
{
if (*vecused >= 3)
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
}*/
else
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
paranode->sym.state = SYM_TMACRO;
if (proc->sym.langtype == LANG_REGCALL && (Options.output_format == OFORMAT_COFF || Options.output_format == OFORMAT_ELF))
{
GetResWName(regcall32_regsZMM[*vecused], regname);
paranode->sym.tokval = regcall32_regsZMM[*vecused]; /* Store register tokval so invoke can use it */
}
else if (proc->sym.langtype == LANG_VECTORCALL && Options.output_format == OFORMAT_COFF)
{
GetResWName(vectorcall32_regsZMM[*vecused], regname);
paranode->sym.tokval = vectorcall32_regsZMM[*vecused]; /* Store register tokval so invoke can use it */
}
/*else if (proc->sym.langtype == LANG_SYSVCALL && Options.output_format == OFORMAT_ELF)
{
GetResWName(sysV32_regsZMM[*vecused], regname);
paranode->sym.tokval = sysV32_regsZMM[*vecused]; / * Store register tokval so invoke can use it * /
}*/
paranode->sym.total_size = 0;
paranode->sym.string_ptr = LclAlloc(strlen(regname) + 1);
strcpy(paranode->sym.string_ptr, regname);
(*vecused)++;
proc->e.procinfo->firstVEC = *vecused;
return(1);
}
if (paranode->sym.mem_type == MT_TYPE)
{
/* Unsupported argument type */
EmitErr(INVOKE_ARGUMENT_NOT_SUPPORTED);
return(NOT_ERROR);
}
//===============================================================================================================
// HANDLE Integer -> GPR Parameter Types
//===============================================================================================================
if (CurrProc->sym.langtype == LANG_REGCALL && (Options.output_format == OFORMAT_ELF || Options.output_format == OFORMAT_COFF))
{
if (size > CurrWordSize || (Options.output_format == OFORMAT_ELF && *used >= 5) || (Options.output_format == OFORMAT_COFF && *used >= 4) || paranode->sym.is_vararg)
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
/* v2.29: for codeview debug info, store the register index in the symbol */
if (Options.output_format == OFORMAT_ELF)
{
paranode->sym.state = SYM_TMACRO;
paranode->sym.regist[0] = regcallunix32_regs32[*used];
switch (size)
{
case 4:
GetResWName(regcallunix32_regs32[*used], regname);
paranode->sym.total_size = 4;
paranode->sym.tokval = regcallunix32_regs32[*used]; /* Store register tokval so invoke can use it */
break;
case 2:
GetResWName(regcallunix32_regs16[*used], regname);
paranode->sym.total_size = 2;
paranode->sym.tokval = regcallunix32_regs16[*used]; /* Store register tokval so invoke can use it */
break;
case 1:
GetResWName(regcallunix32_regs8[*used], regname);
paranode->sym.total_size = 1;
paranode->sym.tokval = regcallunix32_regs8[*used]; /* Store register tokval so invoke can use it */
break;
}
}
else if (Options.output_format == OFORMAT_COFF)
{
paranode->sym.state = SYM_TMACRO;
paranode->sym.regist[0] = regcallms32_regs32[*used];
switch (size)
{
case 4:
GetResWName(regcallms32_regs32[*used], regname);
paranode->sym.total_size = 4;
paranode->sym.tokval = regcallms32_regs32[*used]; /* Store register tokval so invoke can use it */
break;
case 2:
GetResWName(regcallms16_regs16[*used], regname);
paranode->sym.total_size = 2;
paranode->sym.tokval = regcallms16_regs16[*used]; /* Store register tokval so invoke can use it */
break;
case 1:
GetResWName(regcallms32_regs8[*used], regname);
paranode->sym.total_size = 1;
paranode->sym.tokval = regcallms32_regs8[*used]; /* Store register tokval so invoke can use it */
break;
}
}
}
else if ((CurrProc->sym.langtype == LANG_VECTORCALL || CurrProc->sym.langtype == LANG_FASTCALL) && Options.output_format == OFORMAT_COFF)
{
if (size > CurrWordSize || (Options.output_format == OFORMAT_COFF && *used >= 2) || paranode->sym.is_vararg)
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
paranode->sym.state = SYM_TMACRO;
paranode->sym.regist[0] = ms32_regs32[*used];
switch (size)
{
case 4:
GetResWName(ms32_regs32[*used], regname);
paranode->sym.total_size = 4;
paranode->sym.tokval = ms32_regs32[*used]; /* Store register tokval so invoke can use it */
break;
case 2:
GetResWName(ms32_regs16[*used], regname);
paranode->sym.total_size = 2;
paranode->sym.tokval = ms32_regs16[*used]; /* Store register tokval so invoke can use it */
break;
case 1:
GetResWName(ms32_regs8[*used], regname);
paranode->sym.total_size = 1;
paranode->sym.tokval = ms32_regs8[*used]; /* Store register tokval so invoke can use it */
break;
}
}
else if (CurrProc->sym.langtype == LANG_THISCALL && Options.output_format == OFORMAT_COFF)
{
if (size > CurrWordSize || (Options.output_format == OFORMAT_COFF && *used >= 1) || paranode->sym.is_vararg)
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
paranode->sym.state = SYM_TMACRO;
paranode->sym.regist[0] = thiscall_regs32[*used];
switch (size)
{
case 4:
GetResWName(thiscall_regs32[*used], regname);
paranode->sym.total_size = 4;
paranode->sym.tokval = thiscall_regs32[*used]; /* Store register tokval so invoke can use it */
break;
case 2:
GetResWName(thiscall_regs16[*used], regname);
paranode->sym.total_size = 2;
paranode->sym.tokval = thiscall_regs16[*used]; /* Store register tokval so invoke can use it */
break;
case 1:
GetResWName(thiscall_regs8[*used], regname);
paranode->sym.total_size = 1;
paranode->sym.tokval = thiscall_regs8[*used]; /* Store register tokval so invoke can use it */
break;
}
}
else
{
if (CurrProc->sym.langtype == LANG_SYSVCALL && Options.output_format == OFORMAT_ELF)
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
else if (size > CurrWordSize || (ModuleInfo.Ofssize == USE16 && *used >= 3) || (ModuleInfo.Ofssize == USE32 && *used >= 2) || paranode->sym.is_vararg)
{
paranode->sym.string_ptr = NULL;
return(NOT_ERROR);
}
if (ModuleInfo.Ofssize == USE32)
{
paranode->sym.state = SYM_TMACRO;
paranode->sym.regist[0] = ms32_regs32[*used];
switch (size)
{
case 4:
GetResWName(ms32_regs32[*used], regname);
paranode->sym.total_size = 4;
paranode->sym.tokval = ms32_regs32[*used]; /* Store register tokval so invoke can use it */
break;
case 2:
GetResWName(ms32_regs16[*used], regname);
paranode->sym.total_size = 2;
paranode->sym.tokval = ms32_regs16[*used]; /* Store register tokval so invoke can use it */
break;
case 1:
GetResWName(ms32_regs8[*used], regname);
paranode->sym.total_size = 1;
paranode->sym.tokval = ms32_regs8[*used]; /* Store register tokval so invoke can use it */
break;
}
}
else if (ModuleInfo.Ofssize == USE16)
{
paranode->sym.state = SYM_TMACRO;
paranode->sym.regist[0] = ms16_regs16[*used];
switch (size)
{
case 2:
GetResWName(ms16_regs16[*used], regname);
paranode->sym.total_size = 2;
paranode->sym.tokval = ms16_regs16[*used]; /* Store register tokval so invoke can use it */
break;
case 1:
GetResWName(ms16_regs8[*used], regname);
paranode->sym.total_size = 1;
paranode->sym.tokval = ms16_regs8[*used]; /* Store register tokval so invoke can use it */
break;
}
}
}
paranode->sym.string_ptr = LclAlloc(strlen(regname) + 1);
strcpy(paranode->sym.string_ptr, regname);
(*used)++;
proc->e.procinfo->firstGPR = *used;
return(STRING_EXPANDED);
}
static void ms32_return(struct dsym *proc, char *buffer)
/********************************************************/
{
/* v2.07: changed */
//if( proc->e.procinfo->parasize > ( 2 * CurrWordSize ) )
// sprintf( buffer + strlen( buffer ), "%d%c", proc->e.procinfo->parasize - (2 * CurrWordSize), ModuleInfo.radix != 10 ? 't' : NULLC );
if (proc->sym.langtype == LANG_REGCALL) {
if (Options.output_format == OFORMAT_COFF) {
if (proc->e.procinfo->parasize > (regcallms32_maxreg[ModuleInfo.Ofssize] * CurrWordSize))
sprintf(buffer + strlen(buffer), "%d%c", proc->e.procinfo->parasize - (regcallms32_maxreg[ModuleInfo.Ofssize] * CurrWordSize), ModuleInfo.radix != 10 ? 't' : NULLC);
}
else if (Options.output_format == OFORMAT_ELF) {
if (proc->e.procinfo->parasize > (regcallunix32_maxreg[ModuleInfo.Ofssize] * CurrWordSize))
sprintf(buffer + strlen(buffer), "%d%c", proc->e.procinfo->parasize - (regcallunix32_maxreg[ModuleInfo.Ofssize] * CurrWordSize), ModuleInfo.radix != 10 ? 't' : NULLC);
}
}
else if (proc->sym.langtype == LANG_THISCALL && Options.output_format == OFORMAT_COFF) {
if (proc->e.procinfo->parasize > (thiscall_maxreg[ModuleInfo.Ofssize] * CurrWordSize))
sprintf(buffer + strlen(buffer), "%d%c", proc->e.procinfo->parasize - (thiscall_maxreg[ModuleInfo.Ofssize] * CurrWordSize), ModuleInfo.radix != 10 ? 't' : NULLC);
}
else if (CurrProc->sym.langtype == LANG_SYSVCALL && Options.output_format == OFORMAT_ELF)
{
return;
}
else {
if (proc->e.procinfo->parasize > (ms32_maxreg[ModuleInfo.Ofssize] * CurrWordSize))
sprintf(buffer + strlen(buffer), "%d%c", proc->e.procinfo->parasize - (ms32_maxreg[ModuleInfo.Ofssize] * CurrWordSize), ModuleInfo.radix != 10 ? 't' : NULLC);
}
return;
}
/* v2.29: delphi uses 3 register params (EAX,EDX,ECX) */
static int delphi_pcheck(struct dsym *proc, struct dsym *paranode, int *used)
/***************************************************************************/
{
char regname[32];
int size = SizeFromMemtype(paranode->sym.mem_type, paranode->sym.Ofssize, paranode->sym.type);
int stack_size = size;
if (paranode->sym.mem_type == MT_REAL4 || paranode->sym.mem_type == MT_REAL8)
{
if (stack_size < CurrWordSize) stack_size = CurrWordSize;
proc->e.procinfo->ReservedStack += stack_size;
return (0);
}
if (size > CurrWordSize || *used >= delphi_maxreg[ModuleInfo.Ofssize])
{
if (stack_size < CurrWordSize) stack_size = CurrWordSize;
proc->e.procinfo->ReservedStack += stack_size;
return(0);
}