Mercurial > projects > ldc
view druntime/src/compiler/ldc/memory_osx.c @ 1458:e0b2d67cfe7c
Added druntime (this should be removed once it works).
author | Robert Clipsham <robert@octarineparrot.com> |
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date | Tue, 02 Jun 2009 17:43:06 +0100 |
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/** * This module provides OSX-specific support routines for memory.d. * * Copyright: Copyright Digital Mars 2008 - 2009. * License: <a href="http://www.boost.org/LICENSE_1_0.txt>Boost License 1.0</a>. * Authors: Walter Bright, Sean Kelly * * Copyright Digital Mars 2008 - 2009. * Distributed under the Boost Software License, Version 1.0. * (See accompanying file LICENSE_1_0.txt or copy at * http://www.boost.org/LICENSE_1_0.txt) */ #ifdef __APPLE__ #include <mach-o/dyld.h> #include <mach-o/getsect.h> void gc_addRange( void* p, size_t sz ); void gc_removeRange( void* p ); typedef struct { const char* seg; const char* sect; } seg_ref; const static seg_ref data_segs[] = {{SEG_DATA, SECT_DATA}, {SEG_DATA, SECT_BSS}, {SEG_DATA, SECT_COMMON}}; const static int NUM_DATA_SEGS = sizeof(data_segs) / sizeof(seg_ref); static void on_add_image( const struct mach_header* h, intptr_t slide ) { const struct section* sect; int i; for( i = 0; i < NUM_DATA_SEGS; ++i ) { sect = getsectbynamefromheader( h, data_segs[i].seg, data_segs[i].sect ); if( sect == NULL || sect->size == 0 ) continue; gc_addRange( (void*) sect->addr + slide, sect->size ); } } static void on_remove_image( const struct mach_header* h, intptr_t slide ) { const struct section* sect; int i; for( i = 0; i < NUM_DATA_SEGS; ++i ) { sect = getsectbynamefromheader( h, data_segs[i].seg, data_segs[i].sect ); if( sect == NULL || sect->size == 0 ) continue; gc_removeRange( (void*) sect->addr + slide ); } } void _d_osx_image_init() { _dyld_register_func_for_add_image( &on_add_image ); _dyld_register_func_for_remove_image( &on_remove_image ); } #endif