gcc/libphobos/libdruntime/rt/sections_solaris.d

115 lines
2.4 KiB
D

/**
* Written in the D programming language.
* This module provides Solaris-specific support for sections.
*
* Copyright: Copyright Martin Nowak 2012-2013.
* License: $(WEB www.boost.org/LICENSE_1_0.txt, Boost License 1.0).
* Authors: Martin Nowak
* Source: $(DRUNTIMESRC src/rt/_sections_solaris.d)
*/
module rt.sections_solaris;
version (Solaris):
// debug = PRINTF;
debug(PRINTF) import core.stdc.stdio;
import core.stdc.stdlib : malloc, free;
import rt.deh, rt.minfo;
struct SectionGroup
{
static int opApply(scope int delegate(ref SectionGroup) dg)
{
return dg(_sections);
}
static int opApplyReverse(scope int delegate(ref SectionGroup) dg)
{
return dg(_sections);
}
@property immutable(ModuleInfo*)[] modules() const
{
return _moduleGroup.modules;
}
@property ref inout(ModuleGroup) moduleGroup() inout
{
return _moduleGroup;
}
@property immutable(FuncTable)[] ehTables() const
{
auto pbeg = cast(immutable(FuncTable)*)&__start_deh;
auto pend = cast(immutable(FuncTable)*)&__stop_deh;
return pbeg[0 .. pend - pbeg];
}
@property inout(void[])[] gcRanges() inout
{
return _gcRanges[];
}
private:
ModuleGroup _moduleGroup;
void[][1] _gcRanges;
}
void initSections() nothrow @nogc
{
auto mbeg = cast(immutable ModuleInfo**)&__start_minfo;
auto mend = cast(immutable ModuleInfo**)&__stop_minfo;
_sections.moduleGroup = ModuleGroup(mbeg[0 .. mend - mbeg]);
auto pbeg = cast(void*)&__dso_handle;
auto pend = cast(void*)&_end;
_sections._gcRanges[0] = pbeg[0 .. pend - pbeg];
}
void finiSections() nothrow @nogc
{
}
void[] initTLSRanges() nothrow @nogc
{
auto pbeg = cast(void*)&_tlsstart;
auto pend = cast(void*)&_tlsend;
return pbeg[0 .. pend - pbeg];
}
void finiTLSRanges(void[] rng) nothrow @nogc
{
}
void scanTLSRanges(void[] rng, scope void delegate(void* pbeg, void* pend) nothrow dg) nothrow
{
dg(rng.ptr, rng.ptr + rng.length);
}
private:
__gshared SectionGroup _sections;
extern(C)
{
/* Symbols created by the compiler/linker and inserted into the
* object file that 'bracket' sections.
*/
extern __gshared
{
void* __start_deh;
void* __stop_deh;
void* __start_minfo;
void* __stop_minfo;
int __dso_handle;
int _end;
}
extern
{
void* _tlsstart;
void* _tlsend;
}
}