Mercurial > projects > ldc
annotate runtime/internal/eh.d @ 443:44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Reworked the LLVMDC specific pragmas.
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
---|---|
date | Fri, 01 Aug 2008 00:32:06 +0200 |
parents | |
children | 29b901b6b346 |
rev | line source |
---|---|
443
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
1 /** |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
2 * This module contains functions and structures required for |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
3 * exception handling. |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
4 */ |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
5 module eh; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
6 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
7 import util.console; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
8 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
9 // debug = EH_personality; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
10 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
11 // current EH implementation works on x86 linux only |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
12 version(X86) version(linux) version=X86_LINUX; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
13 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
14 private extern(C) void abort(); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
15 private extern(C) int printf(char*, ...); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
16 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
17 // D runtime functions |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
18 extern(C) { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
19 int _d_isbaseof(ClassInfo oc, ClassInfo c); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
20 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
21 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
22 // libunwind headers |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
23 extern(C) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
24 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
25 enum _Unwind_Reason_Code |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
26 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
27 NO_REASON = 0, |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
28 FOREIGN_EXCEPTION_CAUGHT = 1, |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
29 FATAL_PHASE2_ERROR = 2, |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
30 FATAL_PHASE1_ERROR = 3, |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
31 NORMAL_STOP = 4, |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
32 END_OF_STACK = 5, |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
33 HANDLER_FOUND = 6, |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
34 INSTALL_CONTEXT = 7, |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
35 CONTINUE_UNWIND = 8 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
36 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
37 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
38 enum _Unwind_Action |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
39 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
40 SEARCH_PHASE = 1, |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
41 CLEANUP_PHASE = 2, |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
42 HANDLER_PHASE = 3, |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
43 FORCE_UNWIND = 4 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
44 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
45 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
46 alias void* _Unwind_Context_Ptr; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
47 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
48 alias void function(_Unwind_Reason_Code, _Unwind_Exception*) _Unwind_Exception_Cleanup_Fn; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
49 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
50 struct _Unwind_Exception |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
51 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
52 char[8] exception_class; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
53 _Unwind_Exception_Cleanup_Fn exception_cleanup; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
54 int private_1; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
55 int private_2; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
56 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
57 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
58 version(X86_LINUX) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
59 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
60 void _Unwind_Resume(_Unwind_Exception*); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
61 _Unwind_Reason_Code _Unwind_RaiseException(_Unwind_Exception*); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
62 ulong _Unwind_GetLanguageSpecificData(_Unwind_Context_Ptr context); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
63 ulong _Unwind_GetIP(_Unwind_Context_Ptr context); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
64 ulong _Unwind_SetIP(_Unwind_Context_Ptr context, ulong new_value); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
65 ulong _Unwind_SetGR(_Unwind_Context_Ptr context, int index, ulong new_value); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
66 ulong _Unwind_GetRegionStart(_Unwind_Context_Ptr context); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
67 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
68 else |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
69 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
70 // runtime calls these directly |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
71 void _Unwind_Resume(_Unwind_Exception*) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
72 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
73 console("_Unwind_Resume is not implemented on this platform.\n"); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
74 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
75 _Unwind_Reason_Code _Unwind_RaiseException(_Unwind_Exception*) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
76 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
77 console("_Unwind_RaiseException is not implemented on this platform.\n"); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
78 return _Unwind_Reason_Code.FATAL_PHASE1_ERROR; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
79 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
80 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
81 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
82 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
83 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
84 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
85 // helpers for reading certain DWARF data |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
86 //TODO: It may not be a good idea to use exceptions for error handling within exception handling code |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
87 private ubyte* get_uleb128(ubyte* addr, ref size_t res) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
88 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
89 res = 0; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
90 size_t bitsize = 0; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
91 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
92 // read as long as high bit is set |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
93 while(*addr & 0x80) { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
94 res |= (*addr & 0x7f) << bitsize; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
95 bitsize += 7; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
96 addr += 1; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
97 if(bitsize >= size_t.sizeof*8) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
98 throw new Exception("tried to read uleb128 that exceeded size of size_t"); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
99 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
100 // read last |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
101 if(bitsize != 0 && *addr >= 1 << size_t.sizeof*8 - bitsize) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
102 throw new Exception("tried to read uleb128 that exceeded size of size_t"); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
103 res |= (*addr) << bitsize; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
104 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
105 return addr + 1; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
106 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
107 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
108 private ubyte* get_sleb128(ubyte* addr, ref ptrdiff_t res) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
109 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
110 res = 0; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
111 size_t bitsize = 0; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
112 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
113 // read as long as high bit is set |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
114 while(*addr & 0x80) { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
115 res |= (*addr & 0x7f) << bitsize; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
116 bitsize += 7; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
117 addr += 1; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
118 if(bitsize >= size_t.sizeof*8) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
119 throw new Exception("tried to read sleb128 that exceeded size of size_t"); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
120 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
121 // read last |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
122 if(bitsize != 0 && *addr >= 1 << size_t.sizeof*8 - bitsize) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
123 throw new Exception("tried to read sleb128 that exceeded size of size_t"); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
124 res |= (*addr) << bitsize; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
125 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
126 // take care of sign |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
127 if(bitsize < size_t.sizeof*8 && ((*addr) & 0x40)) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
128 res |= cast(ptrdiff_t)(-1) ^ ((1 << (bitsize+7)) - 1); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
129 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
130 return addr + 1; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
131 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
132 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
133 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
134 // exception struct used by the runtime. |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
135 // _d_throw allocates a new instance and passes the address of its |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
136 // _Unwind_Exception member to the unwind call. The personality |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
137 // routine is then able to get the whole struct by looking at the data |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
138 // surrounding the unwind info. |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
139 struct _d_exception |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
140 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
141 Object exception_object; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
142 _Unwind_Exception unwind_info; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
143 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
144 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
145 // the 8-byte string identifying the type of exception |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
146 // the first 4 are for vendor, the second 4 for language |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
147 //TODO: This may be the wrong way around |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
148 char[8] _d_exception_class = "LLDCD1\0\0"; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
149 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
150 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
151 // |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
152 // x86 Linux specific implementation of personality function |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
153 // and helpers |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
154 // |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
155 version(X86_LINUX) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
156 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
157 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
158 // the personality routine gets called by the unwind handler and is responsible for |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
159 // reading the EH tables and deciding what to do |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
160 extern(C) _Unwind_Reason_Code _d_eh_personality(int ver, _Unwind_Action actions, ulong exception_class, _Unwind_Exception* exception_info, _Unwind_Context_Ptr context) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
161 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
162 // check ver: the C++ Itanium ABI only allows ver == 1 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
163 if(ver != 1) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
164 return _Unwind_Reason_Code.FATAL_PHASE1_ERROR; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
165 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
166 // check exceptionClass |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
167 //TODO: Treat foreign exceptions with more respect |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
168 if((cast(char*)&exception_class)[0..8] != _d_exception_class) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
169 return _Unwind_Reason_Code.FATAL_PHASE1_ERROR; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
170 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
171 // find call site table, action table and classinfo table |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
172 // Note: callsite and action tables do not contain static-length |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
173 // data and will be parsed as needed |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
174 // Note: classinfo_table points past the end of the table |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
175 ubyte* callsite_table; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
176 ubyte* action_table; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
177 ClassInfo* classinfo_table; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
178 _d_getLanguageSpecificTables(context, callsite_table, action_table, classinfo_table); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
179 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
180 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
181 /* |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
182 find landing pad and action table index belonging to ip by walking |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
183 the callsite_table |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
184 */ |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
185 ubyte* callsite_walker = callsite_table; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
186 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
187 // get the instruction pointer |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
188 // will be used to find the right entry in the callsite_table |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
189 // -1 because it will point past the last instruction |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
190 ulong ip = _Unwind_GetIP(context) - 1; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
191 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
192 // address block_start is relative to |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
193 ulong region_start = _Unwind_GetRegionStart(context); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
194 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
195 // table entries |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
196 uint block_start_offset, block_size; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
197 ulong landing_pad; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
198 size_t action_offset; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
199 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
200 while(true) { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
201 // if we've gone through the list and found nothing... |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
202 if(callsite_walker >= action_table) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
203 return _Unwind_Reason_Code.CONTINUE_UNWIND; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
204 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
205 block_start_offset = *cast(uint*)callsite_walker; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
206 block_size = *(cast(uint*)callsite_walker + 1); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
207 landing_pad = *(cast(uint*)callsite_walker + 2); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
208 if(landing_pad) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
209 landing_pad += region_start; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
210 callsite_walker = get_uleb128(callsite_walker + 3*uint.sizeof, action_offset); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
211 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
212 debug(EH_personality_verbose) printf("%d %d %d\n", block_start_offset, block_size, landing_pad); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
213 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
214 // since the list is sorted, as soon as we're past the ip |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
215 // there's no handler to be found |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
216 if(ip < region_start + block_start_offset) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
217 return _Unwind_Reason_Code.CONTINUE_UNWIND; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
218 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
219 // if we've found our block, exit |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
220 if(ip < region_start + block_start_offset + block_size) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
221 break; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
222 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
223 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
224 debug(EH_personality) printf("Found correct landing pad and actionOffset %d\n", action_offset); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
225 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
226 // now we need the exception's classinfo to find a handler |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
227 // the exception_info is actually a member of a larger _d_exception struct |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
228 // the runtime allocated. get that now |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
229 _d_exception* exception_struct = cast(_d_exception*)(cast(ubyte*)exception_info - _d_exception.unwind_info.offsetof); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
230 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
231 // if there's no action offset and no landing pad, continue unwinding |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
232 if(!action_offset && !landing_pad) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
233 return _Unwind_Reason_Code.CONTINUE_UNWIND; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
234 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
235 // if there's no action offset but a landing pad, this is a cleanup handler |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
236 else if(!action_offset && landing_pad) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
237 return _d_eh_install_finally_context(actions, landing_pad, exception_struct, context); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
238 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
239 /* |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
240 walk action table chain, comparing classinfos using _d_isbaseof |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
241 */ |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
242 ubyte* action_walker = action_table + action_offset - 1; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
243 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
244 ptrdiff_t ti_offset, next_action_offset; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
245 while(true) { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
246 action_walker = get_sleb128(action_walker, ti_offset); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
247 // it is intentional that we not modify action_walker here |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
248 // next_action_offset is from current action_walker position |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
249 get_sleb128(action_walker, next_action_offset); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
250 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
251 // negative are 'filters' which we don't use |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
252 assert(ti_offset >= 0 && "Filter actions are unsupported"); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
253 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
254 // zero means cleanup, which we require to be the last action |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
255 if(ti_offset == 0) { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
256 assert(next_action_offset == 0 && "Cleanup action must be last in chain"); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
257 return _d_eh_install_finally_context(actions, landing_pad, exception_struct, context); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
258 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
259 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
260 // get classinfo for action and check if the one in the |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
261 // exception structure is a base |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
262 ClassInfo catch_ci = classinfo_table[-ti_offset]; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
263 debug(EH_personality) printf("Comparing catch %s to exception %s\n", catch_ci.name.ptr, exception_struct.exception_object.classinfo.name.ptr); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
264 if(_d_isbaseof(exception_struct.exception_object.classinfo, catch_ci)) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
265 return _d_eh_install_catch_context(actions, ti_offset, landing_pad, exception_struct, context); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
266 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
267 // we've walked through all actions and found nothing... |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
268 if(next_action_offset == 0) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
269 return _Unwind_Reason_Code.CONTINUE_UNWIND; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
270 else |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
271 action_walker += next_action_offset; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
272 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
273 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
274 assert(false); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
275 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
276 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
277 // These are the register numbers for SetGR that |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
278 // llvm's eh.exception and eh.selector intrinsics |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
279 // will pick up. |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
280 // Found by trial-and-error and probably platform dependent! |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
281 private int eh_exception_regno = 0; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
282 private int eh_selector_regno = 2; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
283 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
284 private _Unwind_Reason_Code _d_eh_install_catch_context(_Unwind_Action actions, ptrdiff_t switchval, ulong landing_pad, _d_exception* exception_struct, _Unwind_Context_Ptr context) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
285 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
286 debug(EH_personality) printf("Found catch clause!\n"); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
287 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
288 if(actions & _Unwind_Action.SEARCH_PHASE) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
289 return _Unwind_Reason_Code.HANDLER_FOUND; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
290 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
291 else if(actions & _Unwind_Action.HANDLER_PHASE) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
292 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
293 debug(EH_personality) printf("Setting switch value to: %d!\n", switchval); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
294 _Unwind_SetGR(context, eh_exception_regno, cast(ulong)cast(void*)(exception_struct.exception_object)); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
295 _Unwind_SetGR(context, eh_selector_regno, switchval); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
296 _Unwind_SetIP(context, landing_pad); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
297 return _Unwind_Reason_Code.INSTALL_CONTEXT; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
298 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
299 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
300 assert(false); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
301 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
302 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
303 private _Unwind_Reason_Code _d_eh_install_finally_context(_Unwind_Action actions, ulong landing_pad, _d_exception* exception_struct, _Unwind_Context_Ptr context) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
304 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
305 // if we're merely in search phase, continue |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
306 if(actions & _Unwind_Action.SEARCH_PHASE) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
307 return _Unwind_Reason_Code.CONTINUE_UNWIND; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
308 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
309 debug(EH_personality) printf("Calling cleanup routine...\n"); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
310 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
311 _Unwind_SetGR(context, eh_exception_regno, cast(ulong)exception_struct); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
312 _Unwind_SetGR(context, eh_selector_regno, 0); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
313 _Unwind_SetIP(context, landing_pad); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
314 return _Unwind_Reason_Code.INSTALL_CONTEXT; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
315 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
316 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
317 private void _d_getLanguageSpecificTables(_Unwind_Context_Ptr context, ref ubyte* callsite, ref ubyte* action, ref ClassInfo* ci) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
318 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
319 ubyte* data = cast(ubyte*)_Unwind_GetLanguageSpecificData(context); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
320 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
321 //TODO: Do proper DWARF reading here |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
322 assert(*data++ == 0xff); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
323 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
324 assert(*data++ == 0x00); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
325 size_t cioffset; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
326 data = get_uleb128(data, cioffset); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
327 ci = cast(ClassInfo*)(data + cioffset); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
328 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
329 assert(*data++ == 0x03); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
330 size_t callsitelength; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
331 data = get_uleb128(data, callsitelength); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
332 action = data + callsitelength; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
333 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
334 callsite = data; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
335 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
336 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
337 } // end of x86 Linux specific implementation |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
338 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
339 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
340 extern(C) void _d_throw_exception(Object e) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
341 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
342 if (e !is null) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
343 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
344 _d_exception* exc_struct = new _d_exception; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
345 exc_struct.unwind_info.exception_class[] = _d_exception_class; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
346 exc_struct.exception_object = e; |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
347 _Unwind_Reason_Code ret = _Unwind_RaiseException(&exc_struct.unwind_info); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
348 console("_Unwind_RaiseException failed with reason code: ")(ret)("\n"); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
349 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
350 abort(); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
351 } |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
352 |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
353 extern(C) void _d_eh_resume_unwind(_d_exception* exception_struct) |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
354 { |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
355 _Unwind_Resume(&exception_struct.unwind_info); |
44f08170f4ef
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
parents:
diff
changeset
|
356 } |