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drtlsym.d
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drtlsym.d
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/**
* Compiler implementation of the
* $(LINK2 http://www.dlang.org, D programming language).
*
* Copyright: Copyright (C) 1996-1998 by Symantec
* Copyright (C) 2000-2019 by The D Language Foundation, All Rights Reserved
* Authors: $(LINK2 http://www.digitalmars.com, Walter Bright)
* License: $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost License 1.0)
* Source: $(LINK2 https://github.com/dlang/dmd/blob/master/src/dmd/backend/drtlsym.d, backend/drtlsym.d)
*/
module dmd.backend.drtlsym;
version (SCPP)
version = COMPILE;
version (MARS)
version = COMPILE;
version (HTOD)
version = COMPILE;
version (COMPILE)
{
import core.stdc.stdio;
import core.stdc.stdlib;
import core.stdc.string;
import dmd.backend.cc;
import dmd.backend.cdef;
import dmd.backend.code;
import dmd.backend.code_x86;
import dmd.backend.global;
import dmd.backend.rtlsym;
import dmd.backend.ty;
import dmd.backend.type;
extern (C++):
nothrow:
version (HTOD)
__gshared uint ALLREGS;
private __gshared Symbol*[RTLSYM_MAX] rtlsym;
version (MARS)
// This varies depending on C ABI
alias FREGSAVED = fregsaved;
else
enum FREGSAVED = (mBP | mBX | mSI | mDI);
/******************************************
* Get Symbol corresponding to Dwarf "personality" function.
* Returns:
* Personality function
*/
Symbol* getRtlsymPersonality() { return getRtlsym(RTLSYM_PERSONALITY); }
/******************************************
* Get Symbol corresponding to i.
* Params:
* i = RTLSYM_xxxx
* Returns:
* runtime library Symbol
*/
Symbol *getRtlsym(int i)
{
Symbol** ps = &rtlsym[i];
if (*ps)
return *ps;
__gshared type* t;
__gshared type* tv;
if (!t)
{
t = type_fake(TYnfunc);
t.Tmangle = mTYman_c;
t.Tcount++;
// Variadic function
tv = type_fake(TYnfunc);
tv.Tmangle = mTYman_c;
tv.Tcount++;
}
// Only used by dmd1 for RTLSYM_THROW
type *tw = null;
// Lazilly initialize only what we use
switch (i)
{
case RTLSYM_THROW: symbolz(ps,FLfunc,(mES | mBP),"_d_throw@4", SFLexit, tw); break;
case RTLSYM_THROWC: symbolz(ps,FLfunc,(mES | mBP),"_d_throwc", SFLexit, t); break;
case RTLSYM_THROWDWARF: symbolz(ps,FLfunc,(mES | mBP),"_d_throwdwarf", SFLexit, t); break;
case RTLSYM_MONITOR_HANDLER: symbolz(ps,FLfunc,FREGSAVED,"_d_monitor_handler", 0, tsclib); break;
case RTLSYM_MONITOR_PROLOG: symbolz(ps,FLfunc,FREGSAVED,"_d_monitor_prolog",0,t); break;
case RTLSYM_MONITOR_EPILOG: symbolz(ps,FLfunc,FREGSAVED,"_d_monitor_epilog",0,t); break;
case RTLSYM_DCOVER: symbolz(ps,FLfunc,FREGSAVED,"_d_cover_register", 0, t); break;
case RTLSYM_DCOVER2: symbolz(ps,FLfunc,FREGSAVED,"_d_cover_register2", 0, t); break;
case RTLSYM_DASSERT: symbolz(ps,FLfunc,FREGSAVED,"_d_assert", SFLexit, t); break;
case RTLSYM_DASSERTP: symbolz(ps,FLfunc,FREGSAVED,"_d_assertp", SFLexit, t); break;
case RTLSYM_DASSERT_MSG: symbolz(ps,FLfunc,FREGSAVED,"_d_assert_msg", SFLexit, t); break;
case RTLSYM_DUNITTEST: symbolz(ps,FLfunc,FREGSAVED,"_d_unittest", 0, t); break;
case RTLSYM_DUNITTESTP: symbolz(ps,FLfunc,FREGSAVED,"_d_unittestp", 0, t); break;
case RTLSYM_DUNITTEST_MSG: symbolz(ps,FLfunc,FREGSAVED,"_d_unittest_msg", 0, t); break;
case RTLSYM_DARRAY: symbolz(ps,FLfunc,FREGSAVED,"_d_arraybounds", SFLexit, t); break;
case RTLSYM_DARRAYP: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayboundsp", SFLexit, t); break;
case RTLSYM_DINVARIANT: symbolz(ps,FLfunc,FREGSAVED,"_D9invariant12_d_invariantFC6ObjectZv", 0, tsdlib); break;
case RTLSYM_MEMCPY: symbolz(ps,FLfunc,FREGSAVED,"memcpy", 0, t); break;
case RTLSYM_MEMSET8: symbolz(ps,FLfunc,FREGSAVED,"memset", 0, t); break;
case RTLSYM_MEMSET16: symbolz(ps,FLfunc,FREGSAVED,"_memset16", 0, t); break;
case RTLSYM_MEMSET32: symbolz(ps,FLfunc,FREGSAVED,"_memset32", 0, t); break;
case RTLSYM_MEMSET64: symbolz(ps,FLfunc,FREGSAVED,"_memset64", 0, t); break;
case RTLSYM_MEMSET128: symbolz(ps,FLfunc,FREGSAVED,"_memset128",0, t); break;
case RTLSYM_MEMSET128ii: symbolz(ps,FLfunc,FREGSAVED,"_memset128ii",0, t); break;
case RTLSYM_MEMSET80: symbolz(ps,FLfunc,FREGSAVED,"_memset80", 0, t); break;
case RTLSYM_MEMSET160: symbolz(ps,FLfunc,FREGSAVED,"_memset160",0, t); break;
case RTLSYM_MEMSETFLOAT: symbolz(ps,FLfunc,FREGSAVED,"_memsetFloat", 0, t); break;
case RTLSYM_MEMSETDOUBLE: symbolz(ps,FLfunc,FREGSAVED,"_memsetDouble", 0, t); break;
case RTLSYM_MEMSETSIMD: symbolz(ps,FLfunc,FREGSAVED,"_memsetSIMD",0, t); break;
case RTLSYM_MEMSETN: symbolz(ps,FLfunc,FREGSAVED,"_memsetn", 0, t); break;
case RTLSYM_MODULO: symbolz(ps,FLfunc,FREGSAVED,"_modulo", 0, t); break;
case RTLSYM_MONITORENTER: symbolz(ps,FLfunc,FREGSAVED,"_d_monitorenter",0, t); break;
case RTLSYM_MONITOREXIT: symbolz(ps,FLfunc,FREGSAVED,"_d_monitorexit",0, t); break;
case RTLSYM_CRITICALENTER: symbolz(ps,FLfunc,FREGSAVED,"_d_criticalenter",0, t); break;
case RTLSYM_CRITICALEXIT: symbolz(ps,FLfunc,FREGSAVED,"_d_criticalexit",0, t); break;
case RTLSYM_DSWITCHERR: symbolz(ps,FLfunc,FREGSAVED,"_d_switch_error", SFLexit, t); break;
case RTLSYM_DHIDDENFUNC: symbolz(ps,FLfunc,FREGSAVED,"_d_hidden_func", 0, t); break;
case RTLSYM_NEWCLASS: symbolz(ps,FLfunc,FREGSAVED,"_d_newclass", 0, t); break;
case RTLSYM_NEWTHROW: symbolz(ps,FLfunc,FREGSAVED,"_d_newThrowable", 0, t); break;
case RTLSYM_NEWARRAYT: symbolz(ps,FLfunc,FREGSAVED,"_d_newarrayT", 0, t); break;
case RTLSYM_NEWARRAYIT: symbolz(ps,FLfunc,FREGSAVED,"_d_newarrayiT", 0, t); break;
case RTLSYM_NEWITEMT: symbolz(ps,FLfunc,FREGSAVED,"_d_newitemT", 0, t); break;
case RTLSYM_NEWITEMIT: symbolz(ps,FLfunc,FREGSAVED,"_d_newitemiT", 0, t); break;
case RTLSYM_NEWARRAYMT: symbolz(ps,FLfunc,FREGSAVED,"_d_newarraymT", 0, tv); break;
case RTLSYM_NEWARRAYMIT: symbolz(ps,FLfunc,FREGSAVED,"_d_newarraymiT", 0, tv); break;
case RTLSYM_NEWARRAYMTX: symbolz(ps,FLfunc,FREGSAVED,"_d_newarraymTX", 0, t); break;
case RTLSYM_NEWARRAYMITX: symbolz(ps,FLfunc,FREGSAVED,"_d_newarraymiTX", 0, t); break;
case RTLSYM_ARRAYLITERALT: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayliteralT", 0, tv); break;
case RTLSYM_ARRAYLITERALTX: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayliteralTX", 0, t); break;
case RTLSYM_ASSOCARRAYLITERALT: symbolz(ps,FLfunc,FREGSAVED,"_d_assocarrayliteralT", 0, tv); break;
case RTLSYM_ASSOCARRAYLITERALTX: symbolz(ps,FLfunc,FREGSAVED,"_d_assocarrayliteralTX", 0, t); break;
case RTLSYM_CALLFINALIZER: symbolz(ps,FLfunc,FREGSAVED,"_d_callfinalizer", 0, t); break;
case RTLSYM_CALLINTERFACEFINALIZER: symbolz(ps,FLfunc,FREGSAVED,"_d_callinterfacefinalizer", 0, t); break;
case RTLSYM_DELCLASS: symbolz(ps,FLfunc,FREGSAVED,"_d_delclass", 0, t); break;
case RTLSYM_DELINTERFACE: symbolz(ps,FLfunc,FREGSAVED,"_d_delinterface", 0, t); break;
case RTLSYM_DELSTRUCT: symbolz(ps,FLfunc,FREGSAVED,"_d_delstruct", 0, t); break;
case RTLSYM_ALLOCMEMORY: symbolz(ps,FLfunc,FREGSAVED,"_d_allocmemory", 0, t); break;
case RTLSYM_DELARRAY: symbolz(ps,FLfunc,FREGSAVED,"_d_delarray", 0, t); break;
case RTLSYM_DELARRAYT: symbolz(ps,FLfunc,FREGSAVED,"_d_delarray_t", 0, t); break;
case RTLSYM_DELMEMORY: symbolz(ps,FLfunc,FREGSAVED,"_d_delmemory", 0, t); break;
case RTLSYM_INTERFACE: symbolz(ps,FLfunc,FREGSAVED,"_d_interface_vtbl", 0, t); break;
case RTLSYM_DYNAMIC_CAST: symbolz(ps,FLfunc,FREGSAVED,"_d_dynamic_cast", 0, t); break;
case RTLSYM_INTERFACE_CAST: symbolz(ps,FLfunc,FREGSAVED,"_d_interface_cast", 0, t); break;
case RTLSYM_FATEXIT: symbolz(ps,FLfunc,FREGSAVED,"_fatexit", 0, t); break;
case RTLSYM_ARRAYCATT: symbolz(ps,FLfunc,FREGSAVED,"_d_arraycatT", 0, t); break;
case RTLSYM_ARRAYCATNT: symbolz(ps,FLfunc,FREGSAVED,"_d_arraycatnT", 0, tv); break;
case RTLSYM_ARRAYCATNTX: symbolz(ps,FLfunc,FREGSAVED,"_d_arraycatnTX", 0, t); break;
case RTLSYM_ARRAYAPPENDT: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayappendT", 0, t); break;
case RTLSYM_ARRAYAPPENDCT: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayappendcT", 0, tv); break;
case RTLSYM_ARRAYAPPENDCTX: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayappendcTX", 0, t); break;
case RTLSYM_ARRAYAPPENDCD: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayappendcd", 0, t); break;
case RTLSYM_ARRAYAPPENDWD: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayappendwd", 0, t); break;
case RTLSYM_ARRAYSETLENGTHT: symbolz(ps,FLfunc,FREGSAVED,"_d_arraysetlengthT", 0, t); break;
case RTLSYM_ARRAYSETLENGTHIT: symbolz(ps,FLfunc,FREGSAVED,"_d_arraysetlengthiT", 0, t); break;
case RTLSYM_ARRAYCOPY: symbolz(ps,FLfunc,FREGSAVED,"_d_arraycopy", 0, t); break;
case RTLSYM_ARRAYASSIGN: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayassign", 0, t); break;
case RTLSYM_ARRAYASSIGN_R: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayassign_r", 0, t); break;
case RTLSYM_ARRAYASSIGN_L: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayassign_l", 0, t); break;
case RTLSYM_ARRAYCTOR: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayctor", 0, t); break;
case RTLSYM_ARRAYSETASSIGN: symbolz(ps,FLfunc,FREGSAVED,"_d_arraysetassign", 0, t); break;
case RTLSYM_ARRAYSETCTOR: symbolz(ps,FLfunc,FREGSAVED,"_d_arraysetctor", 0, t); break;
case RTLSYM_ARRAYEQ2: symbolz(ps,FLfunc,FREGSAVED,"_adEq2", 0, t); break;
case RTLSYM_ARRAYCMPCHAR: symbolz(ps,FLfunc,FREGSAVED,"_adCmpChar", 0, t); break;
case RTLSYM_EXCEPT_HANDLER2: symbolz(ps,FLfunc,fregsaved,"_except_handler2", 0, tsclib); break;
case RTLSYM_EXCEPT_HANDLER3: symbolz(ps,FLfunc,fregsaved,"_except_handler3", 0, tsclib); break;
case RTLSYM_CPP_HANDLER: symbolz(ps,FLfunc,FREGSAVED,"_cpp_framehandler", 0, tsclib); break;
case RTLSYM_D_HANDLER: symbolz(ps,FLfunc,FREGSAVED,"_d_framehandler", 0, tsclib); break;
case RTLSYM_D_LOCAL_UNWIND2: symbolz(ps,FLfunc,FREGSAVED,"_d_local_unwind2", 0, tsclib); break;
case RTLSYM_LOCAL_UNWIND2: symbolz(ps,FLfunc,FREGSAVED,"_local_unwind2", 0, tsclib); break;
case RTLSYM_UNWIND_RESUME: symbolz(ps,FLfunc,FREGSAVED,"_Unwind_Resume", SFLexit, t); break;
case RTLSYM_PERSONALITY: symbolz(ps,FLfunc,FREGSAVED,"__dmd_personality_v0", 0, t); break;
case RTLSYM_BEGIN_CATCH: symbolz(ps,FLfunc,FREGSAVED,"__dmd_begin_catch", 0, t); break;
case RTLSYM_CXA_BEGIN_CATCH: symbolz(ps,FLfunc,FREGSAVED,"__cxa_begin_catch", 0, t); break;
case RTLSYM_CXA_END_CATCH: symbolz(ps,FLfunc,FREGSAVED,"__cxa_end_catch", 0, t); break;
case RTLSYM_TLS_INDEX: symbolz(ps,FLextern,0,"_tls_index",0,tstypes[TYint]); break;
case RTLSYM_TLS_ARRAY: symbolz(ps,FLextern,0,"_tls_array",0,tspvoid); break;
case RTLSYM_AHSHIFT: symbolz(ps,FLfunc,0,"_AHSHIFT",0,tstrace); break;
case RTLSYM_HDIFFN: symbolz(ps,FLfunc,mBX|mCX|mSI|mDI|mBP|mES,"_aNahdiff", 0, tsclib); break;
case RTLSYM_HDIFFF: symbolz(ps,FLfunc,mBX|mCX|mSI|mDI|mBP|mES,"_aFahdiff", 0, tsclib); break;
case RTLSYM_INTONLY: symbolz(ps,FLfunc,mSI|mDI,"_intonly", 0, tsclib); break;
case RTLSYM_EXCEPT_LIST: symbolz(ps,FLextern,0,"_except_list",0,tstypes[TYint]); break;
case RTLSYM_SETJMP3: symbolz(ps,FLfunc,FREGSAVED,"_setjmp3", 0, tsclib); break;
case RTLSYM_LONGJMP: symbolz(ps,FLfunc,FREGSAVED,"_seh_longjmp_unwind@4", 0, tsclib); break;
case RTLSYM_ALLOCA: symbolz(ps,FLfunc,fregsaved,"__alloca", 0, tsclib); break;
case RTLSYM_CPP_LONGJMP: symbolz(ps,FLfunc,FREGSAVED,"_cpp_longjmp_unwind@4", 0, tsclib); break;
case RTLSYM_PTRCHK: symbolz(ps,FLfunc,fregsaved,"_ptrchk", 0, tsclib); break;
case RTLSYM_CHKSTK: symbolz(ps,FLfunc,fregsaved,"_chkstk", 0, tsclib); break;
case RTLSYM_TRACE_PRO_N: symbolz(ps,FLfunc,ALLREGS|mBP|mES,"_trace_pro_n",0,tstrace); break;
case RTLSYM_TRACE_PRO_F: symbolz(ps,FLfunc,ALLREGS|mBP|mES,"_trace_pro_f",0,tstrace); break;
case RTLSYM_TRACE_EPI_N: symbolz(ps,FLfunc,ALLREGS|mBP|mES,"_trace_epi_n",0,tstrace); break;
case RTLSYM_TRACE_EPI_F: symbolz(ps,FLfunc,ALLREGS|mBP|mES,"_trace_epi_f",0,tstrace); break;
case RTLSYM_TRACE_CPRO: symbolz(ps,FLfunc,FREGSAVED,"_c_trace_pro",0,t); break;
case RTLSYM_TRACE_CEPI: symbolz(ps,FLfunc,FREGSAVED,"_c_trace_epi",0,t); break;
case RTLSYM_TRACENEWCLASS: symbolz(ps,FLfunc,FREGSAVED,"_d_newclassTrace", 0, t); break;
case RTLSYM_TRACENEWARRAYT: symbolz(ps,FLfunc,FREGSAVED,"_d_newarrayTTrace", 0, t); break;
case RTLSYM_TRACENEWARRAYIT: symbolz(ps,FLfunc,FREGSAVED,"_d_newarrayiTTrace", 0, t); break;
case RTLSYM_TRACENEWARRAYMTX: symbolz(ps,FLfunc,FREGSAVED,"_d_newarraymTXTrace", 0, t); break;
case RTLSYM_TRACENEWARRAYMITX: symbolz(ps,FLfunc,FREGSAVED,"_d_newarraymiTXTrace", 0, t); break;
case RTLSYM_TRACENEWITEMT: symbolz(ps,FLfunc,FREGSAVED,"_d_newitemTTrace", 0, t); break;
case RTLSYM_TRACENEWITEMIT: symbolz(ps,FLfunc,FREGSAVED,"_d_newitemiTTrace", 0, t); break;
case RTLSYM_TRACECALLFINALIZER: symbolz(ps,FLfunc,FREGSAVED,"_d_callfinalizerTrace", 0, t); break;
case RTLSYM_TRACECALLINTERFACEFINALIZER: symbolz(ps,FLfunc,FREGSAVED,"_d_callinterfacefinalizerTrace", 0, t); break;
case RTLSYM_TRACEDELCLASS: symbolz(ps,FLfunc,FREGSAVED,"_d_delclassTrace", 0, t); break;
case RTLSYM_TRACEDELINTERFACE: symbolz(ps,FLfunc,FREGSAVED,"_d_delinterfaceTrace", 0, t); break;
case RTLSYM_TRACEDELSTRUCT: symbolz(ps,FLfunc,FREGSAVED,"_d_delstructTrace", 0, t); break;
case RTLSYM_TRACEDELARRAYT: symbolz(ps,FLfunc,FREGSAVED,"_d_delarray_tTrace", 0, t); break;
case RTLSYM_TRACEDELMEMORY: symbolz(ps,FLfunc,FREGSAVED,"_d_delmemoryTrace", 0, t); break;
case RTLSYM_TRACEARRAYLITERALTX: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayliteralTXTrace", 0, t); break;
case RTLSYM_TRACEASSOCARRAYLITERALTX: symbolz(ps,FLfunc,FREGSAVED,"_d_assocarrayliteralTXTrace", 0, t); break;
case RTLSYM_TRACEARRAYCATT: symbolz(ps,FLfunc,FREGSAVED,"_d_arraycatTTrace", 0, t); break;
case RTLSYM_TRACEARRAYCATNTX: symbolz(ps,FLfunc,FREGSAVED,"_d_arraycatnTXTrace", 0, t); break;
case RTLSYM_TRACEARRAYAPPENDT: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayappendTTrace", 0, t); break;
case RTLSYM_TRACEARRAYAPPENDCTX: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayappendcTXTrace", 0, t); break;
case RTLSYM_TRACEARRAYAPPENDCD: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayappendcdTrace", 0, t); break;
case RTLSYM_TRACEARRAYAPPENDWD: symbolz(ps,FLfunc,FREGSAVED,"_d_arrayappendwdTrace", 0, t); break;
case RTLSYM_TRACEARRAYSETLENGTHT: symbolz(ps,FLfunc,FREGSAVED,"_d_arraysetlengthTTrace", 0, t); break;
case RTLSYM_TRACEARRAYSETLENGTHIT: symbolz(ps,FLfunc,FREGSAVED,"_d_arraysetlengthiTTrace", 0, t); break;
case RTLSYM_TRACEALLOCMEMORY: symbolz(ps,FLfunc,FREGSAVED,"_d_allocmemoryTrace", 0, t); break;
case RTLSYM_C_ASSERT: symbolz(ps,FLfunc,FREGSAVED,"_assert", SFLexit, t); break;
case RTLSYM_C__ASSERT: symbolz(ps,FLfunc,FREGSAVED,"__assert", SFLexit, t); break;
case RTLSYM_C__ASSERT_RTN: symbolz(ps,FLfunc,FREGSAVED,"__assert_rtn", SFLexit, t); break;
default:
assert(0);
}
return *ps;
}
/******************************************
* Create and initialize Symbol for runtime function.
* Params:
* ps = where to store initialized Symbol pointer
* f = FLxxx
* regsaved = registers not altered by function
* name = name of function
* flags = value for Sflags
* t = type of function
*/
private void symbolz(Symbol** ps, int fl, regm_t regsaved, const(char)* name, SYMFLGS flags, type *t)
{
Symbol *s = symbol_calloc(name);
s.Stype = t;
s.Ssymnum = -1;
s.Sclass = SCextern;
s.Sfl = cast(char)fl;
s.Sregsaved = regsaved;
s.Sflags = flags;
*ps = s;
}
/******************************************
* Initialize rtl symbols.
*/
void rtlsym_init()
{
}
/*******************************
* Reset the symbols for the case when we are generating multiple
* .OBJ files from one compile.
*/
version (MARS)
{
void rtlsym_reset()
{
clib_inited = 0; // reset CLIB symbols, too
for (size_t i = 0; i < RTLSYM_MAX; i++)
{
if (rtlsym[i])
{
rtlsym[i].Sxtrnnum = 0;
rtlsym[i].Stypidx = 0;
}
}
}
}
/*******************************
*/
void rtlsym_term()
{
}
}