Mercurial > projects > ldc
annotate 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 |
rev | line source |
---|---|
94
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
1 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
2 // Copyright (C) 2001-2004 by Digital Mars, www.digitalmars.com |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
3 // All Rights Reserved |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
4 // Written by Walter Bright |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
5 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
6 import std.c.linux.linuxextern; |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
7 import std.c.linux.linux; |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
8 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
9 /+ |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
10 extern (C) |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
11 { |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
12 // from <sys/mman.h> |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
13 void* mmap(void* addr, uint len, int prot, int flags, int fd, uint offset); |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
14 int munmap(void* addr, uint len); |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
15 const void* MAP_FAILED = cast(void*)-1; |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
16 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
17 // from <bits/mman.h> |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
18 enum { PROT_NONE = 0, PROT_READ = 1, PROT_WRITE = 2, PROT_EXEC = 4 } |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
19 enum { MAP_SHARED = 1, MAP_PRIVATE = 2, MAP_TYPE = 0x0F, |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
20 MAP_FIXED = 0x10, MAP_FILE = 0, MAP_ANON = 0x20 } |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
21 } |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
22 +/ |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
23 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
24 /*********************************** |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
25 * Map memory. |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
26 */ |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
27 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
28 void *os_mem_map(uint nbytes) |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
29 { void *p; |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
30 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
31 //errno = 0; |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
32 p = mmap(null, nbytes, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0); |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
33 return (p == MAP_FAILED) ? null : p; |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
34 } |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
35 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
36 /*********************************** |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
37 * Commit memory. |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
38 * Returns: |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
39 * 0 success |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
40 * !=0 failure |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
41 */ |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
42 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
43 int os_mem_commit(void *base, uint offset, uint nbytes) |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
44 { |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
45 return 0; |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
46 } |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
47 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
48 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
49 /*********************************** |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
50 * Decommit memory. |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
51 * Returns: |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
52 * 0 success |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
53 * !=0 failure |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
54 */ |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
55 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
56 int os_mem_decommit(void *base, uint offset, uint nbytes) |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
57 { |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
58 return 0; |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
59 } |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
60 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
61 /*********************************** |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
62 * Unmap memory allocated with os_mem_map(). |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
63 * Returns: |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
64 * 0 success |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
65 * !=0 failure |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
66 */ |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
67 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
68 int os_mem_unmap(void *base, uint nbytes) |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
69 { |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
70 return munmap(base, nbytes); |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
71 } |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
72 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
73 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
74 /********************************************** |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
75 * Determine "bottom" of stack (actually the top on x86 systems). |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
76 */ |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
77 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
78 void *os_query_stackBottom() |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
79 { |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
80 version (none) |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
81 { // See discussion: http://autopackage.org/forums/viewtopic.php?t=22 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
82 static void** libc_stack_end; |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
83 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
84 if (libc_stack_end == libc_stack_end.init) |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
85 { |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
86 void* handle = dlopen(null, RTLD_NOW); |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
87 libc_stack_end = cast(void **)dlsym(handle, "__libc_stack_end"); |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
88 dlclose(handle); |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
89 } |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
90 return *libc_stack_end; |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
91 } |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
92 else |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
93 { // This doesn't resolve on all versions of Linux |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
94 return __libc_stack_end; |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
95 } |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
96 } |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
97 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
98 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
99 /********************************************** |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
100 * Determine base address and size of static data segment. |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
101 */ |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
102 |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
103 void os_query_staticdataseg(void **base, uint *nbytes) |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
104 { |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
105 *base = cast(void *)&__data_start; |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
106 *nbytes = cast(byte *)&_end - cast(byte *)&__data_start; |
61615fa85940
[svn r98] Added support for std.c.stdlib.alloca via pragma(LLVM_internal, "alloca").
lindquist
parents:
diff
changeset
|
107 } |