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view lphobos/gc/gclinux.d @ 1650:40bd4a0d4870
Update to work with LLVM 2.7.
Removed use of dyn_cast, llvm no compiles
without exceptions and rtti by
default. We do need exceptions for the libconfig stuff, but rtti isn't
necessary (anymore).
Debug info needs to be rewritten, as in LLVM 2.7 the format has
completely changed. To have something to look at while rewriting, the
old code has been wrapped inside #ifndef DISABLE_DEBUG_INFO , this means
that you have to define this to compile at the moment.
Updated tango 0.99.9 patch to include updated EH runtime code, which is
needed for LLVM 2.7 as well.
author | Tomas Lindquist Olsen |
---|---|
date | Wed, 19 May 2010 12:42:32 +0200 |
parents | 61615fa85940 |
children |
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// Copyright (C) 2001-2004 by Digital Mars, www.digitalmars.com // All Rights Reserved // Written by Walter Bright import std.c.linux.linuxextern; import std.c.linux.linux; /+ extern (C) { // from <sys/mman.h> void* mmap(void* addr, uint len, int prot, int flags, int fd, uint offset); int munmap(void* addr, uint len); const void* MAP_FAILED = cast(void*)-1; // from <bits/mman.h> enum { PROT_NONE = 0, PROT_READ = 1, PROT_WRITE = 2, PROT_EXEC = 4 } enum { MAP_SHARED = 1, MAP_PRIVATE = 2, MAP_TYPE = 0x0F, MAP_FIXED = 0x10, MAP_FILE = 0, MAP_ANON = 0x20 } } +/ /*********************************** * Map memory. */ void *os_mem_map(uint nbytes) { void *p; //errno = 0; p = mmap(null, nbytes, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0); return (p == MAP_FAILED) ? null : p; } /*********************************** * Commit memory. * Returns: * 0 success * !=0 failure */ int os_mem_commit(void *base, uint offset, uint nbytes) { return 0; } /*********************************** * Decommit memory. * Returns: * 0 success * !=0 failure */ int os_mem_decommit(void *base, uint offset, uint nbytes) { return 0; } /*********************************** * Unmap memory allocated with os_mem_map(). * Returns: * 0 success * !=0 failure */ int os_mem_unmap(void *base, uint nbytes) { return munmap(base, nbytes); } /********************************************** * Determine "bottom" of stack (actually the top on x86 systems). */ void *os_query_stackBottom() { version (none) { // See discussion: http://autopackage.org/forums/viewtopic.php?t=22 static void** libc_stack_end; if (libc_stack_end == libc_stack_end.init) { void* handle = dlopen(null, RTLD_NOW); libc_stack_end = cast(void **)dlsym(handle, "__libc_stack_end"); dlclose(handle); } return *libc_stack_end; } else { // This doesn't resolve on all versions of Linux return __libc_stack_end; } } /********************************************** * Determine base address and size of static data segment. */ void os_query_staticdataseg(void **base, uint *nbytes) { *base = cast(void *)&__data_start; *nbytes = cast(byte *)&_end - cast(byte *)&__data_start; }