projects/ldc: runtime/internal/eh.d annotate

annotate runtime/internal/eh.d @ 898:db3f8e7d79d2

Add headers for HP's libunwind, currently unused though.

author	Christian Kamm <kamm incasoftware de>
date	Thu, 22 Jan 2009 17:57:38 +0100
parents	c6f16c3f377b
children	4a5eea0334e5

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;
663 6aaa3d3c1183 First part of rename to LDC. Christian Kamm <kamm incasoftware de> parents: 557 diff changeset	8 import ldc.cstdarg;
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	9
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	11
557 aef77ae1d32c Enable unwind code on darwin. Christian Kamm <kamm incasoftware de> parents: 495 diff changeset	12 // current EH implementation works on x86
aef77ae1d32c Enable unwind code on darwin. Christian Kamm <kamm incasoftware de> parents: 495 diff changeset	13 // if it has a working unwind runtime
aef77ae1d32c Enable unwind code on darwin. Christian Kamm <kamm incasoftware de> parents: 495 diff changeset	14 version(X86) {
aef77ae1d32c Enable unwind code on darwin. Christian Kamm <kamm incasoftware de> parents: 495 diff changeset	15 version(linux) version=X86_UNWIND;
aef77ae1d32c Enable unwind code on darwin. Christian Kamm <kamm incasoftware de> parents: 495 diff changeset	16 version(darwin) version=X86_UNWIND;
872 aa953cc960b6 Apply BlueZeniX's patch for OpenSolaris compatibility. Fixes #158. Christian Kamm <kamm incasoftware de> parents: 794 diff changeset	17 version(solaris) version=X86_UNWIND;
557 aef77ae1d32c Enable unwind code on darwin. Christian Kamm <kamm incasoftware de> parents: 495 diff changeset	18 }
741 4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	19 version(X86_64) {
4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	20 version(linux) version=X86_UNWIND;
872 aa953cc960b6 Apply BlueZeniX's patch for OpenSolaris compatibility. Fixes #158. Christian Kamm <kamm incasoftware de> parents: 794 diff changeset	21 version(solaris) version=X86_UNWIND;
741 4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	22 }
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	23
898 db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	24 //version = HP_LIBUNWIND;
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	25
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	26 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	27 private extern(C) int printf(char*, ...);
495 d94655ccbe4d Fixed EH fatalerror printf'ing. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 494 diff changeset	28 private extern(C) int vprintf(char*, va_list va);
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	29
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	31 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	32 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	33 }
44f08170f4ef Removed tango from the repository and instead added a 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
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	36 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	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_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	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 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	41 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	42 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	43 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	44 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	45 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	46 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	47 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	48 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	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
44f08170f4ef Removed tango from the repository and instead added a 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 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	52 {
44f08170f4ef Removed tango from the repository and instead added a 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 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	54 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	55 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	56 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	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
44f08170f4ef Removed tango from the repository and instead added a 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 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	60
44f08170f4ef Removed tango from the repository and instead added a 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 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	62
44f08170f4ef Removed tango from the repository and instead added a 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 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	64 {
44f08170f4ef Removed tango from the repository and instead added a 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 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	66 _Unwind_Exception_Cleanup_Fn exception_cleanup;
895 fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	67 ptrdiff_t private_1;
fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	68 ptrdiff_t private_2;
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	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
898 db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	71 // interface to HP's libunwind from http://www.nongnu.org/libunwind/
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	72 version(HP_LIBUNWIND)
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	73 {
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	74 void __libunwind_Unwind_Resume(_Unwind_Exception *);
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	75 _Unwind_Reason_Code __libunwind_Unwind_RaiseException(_Unwind_Exception *);
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	76 ptrdiff_t __libunwind_Unwind_GetLanguageSpecificData(_Unwind_Context_Ptr
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	77 context);
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	78 ptrdiff_t __libunwind_Unwind_GetIP(_Unwind_Context_Ptr context);
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	79 ptrdiff_t __libunwind_Unwind_SetIP(_Unwind_Context_Ptr context,
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	80 ptrdiff_t new_value);
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	81 ptrdiff_t __libunwind_Unwind_SetGR(_Unwind_Context_Ptr context, int index,
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	82 ptrdiff_t new_value);
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	83 ptrdiff_t __libunwind_Unwind_GetRegionStart(_Unwind_Context_Ptr context);
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	84
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	85 alias __libunwind_Unwind_Resume _Unwind_Resume;
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	86 alias __libunwind_Unwind_RaiseException _Unwind_RaiseException;
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	87 alias __libunwind_Unwind_GetLanguageSpecificData
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	88 _Unwind_GetLanguageSpecificData;
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	89 alias __libunwind_Unwind_GetIP _Unwind_GetIP;
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	90 alias __libunwind_Unwind_SetIP _Unwind_SetIP;
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	91 alias __libunwind_Unwind_SetGR _Unwind_SetGR;
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	92 alias __libunwind_Unwind_GetRegionStart _Unwind_GetRegionStart;
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	93 }
db3f8e7d79d2 Add headers for HP's libunwind, currently unused though. Christian Kamm <kamm incasoftware de> parents: 897 diff changeset	94 else version(X86_UNWIND)
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	95 {
44f08170f4ef Removed tango from the repository and instead added a 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 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	97 _Unwind_Reason_Code _Unwind_RaiseException(_Unwind_Exception*);
895 fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	98 ptrdiff_t _Unwind_GetLanguageSpecificData(_Unwind_Context_Ptr context);
fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	99 ptrdiff_t _Unwind_GetIP(_Unwind_Context_Ptr context);
fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	100 ptrdiff_t _Unwind_SetIP(_Unwind_Context_Ptr context, ptrdiff_t new_value);
fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	101 ptrdiff_t _Unwind_SetGR(_Unwind_Context_Ptr context, int index,
fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	102 ptrdiff_t new_value);
fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	103 ptrdiff_t _Unwind_GetRegionStart(_Unwind_Context_Ptr context);
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	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 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	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 // 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	108 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	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 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	111 }
44f08170f4ef Removed tango from the repository and instead added a 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 _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	113 {
44f08170f4ef Removed tango from the repository and instead added a 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 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	115 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	116 }
44f08170f4ef Removed tango from the repository and instead added a 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 }
44f08170f4ef Removed tango from the repository and instead added a 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
44f08170f4ef Removed tango from the repository and instead added a 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 }
44f08170f4ef Removed tango from the repository and instead added a 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
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	121 // error and exit
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	122 extern(C) private void fatalerror(char* format, ...)
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	123 {
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	124 va_list args;
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	125 va_start(args, format);
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	126 printf("Fatal error in EH code: ");
495 d94655ccbe4d Fixed EH fatalerror printf'ing. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 494 diff changeset	127 vprintf(format, args);
d94655ccbe4d Fixed EH fatalerror printf'ing. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 494 diff changeset	128 printf("\n");
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	129 abort();
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	130 }
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	131
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	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 // 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	134 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	135 {
44f08170f4ef Removed tango from the repository and instead added a 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 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	137 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	138
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	140 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	141 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	142 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	143 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	144 if(bitsize >= size_t.sizeof*8)
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	145 fatalerror("tried to read uleb128 that exceeded size of size_t");
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	146 }
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	148 if(bitsize != 0 && addr >= 1 << size_t.sizeof8 - bitsize)
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	149 fatalerror("Fatal error in EH code: tried to read uleb128 that exceeded size of size_t");
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	150 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	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 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	153 }
44f08170f4ef Removed tango from the repository and instead added a 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 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	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 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	158 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	159
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	161 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	162 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	163 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	164 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	165 if(bitsize >= size_t.sizeof*8)
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	166 fatalerror("tried to read sleb128 that exceeded size of size_t");
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	167 }
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	169 if(bitsize != 0 && addr >= 1 << size_t.sizeof8 - bitsize)
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	170 fatalerror("tried to read sleb128 that exceeded size of size_t");
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	171 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	172
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	174 if(bitsize < size_t.sizeof8 && ((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	175 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	176
44f08170f4ef Removed tango from the repository and instead added a 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 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	178 }
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	182 // _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	183 // _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	184 // 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	185 // 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	186 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	187 {
44f08170f4ef Removed tango from the repository and instead added a 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 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	189 _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	190 }
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	193 // 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	194 //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	195 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	196
44f08170f4ef Removed tango from the repository and instead added a 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
44f08170f4ef Removed tango from the repository and instead added a 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 //
557 aef77ae1d32c Enable unwind code on darwin. Christian Kamm <kamm incasoftware de> parents: 495 diff changeset	199 // x86 unwind specific implementation of personality function
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	200 // 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	201 //
741 4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	202 version(X86_UNWIND)
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	203 {
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	206 // 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	207 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	208 {
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	210 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	211 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	212
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	214 //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	215 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	216 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	217
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	219 // 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	220 // 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	221 // 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	222 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	223 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	224 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	225 _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	226
44f08170f4ef Removed tango from the repository and instead added a 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
44f08170f4ef Removed tango from the repository and instead added a 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 /*
44f08170f4ef Removed tango from the repository and instead added a 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 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	230 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	231 */
44f08170f4ef Removed tango from the repository and instead added a 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 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	233
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	235 // 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	236 // -1 because it will point past the last instruction
895 fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	237 ptrdiff_t ip = _Unwind_GetIP(context) - 1;
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	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 // address block_start is relative to
895 fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	240 ptrdiff_t region_start = _Unwind_GetRegionStart(context);
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	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 // 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	243 uint block_start_offset, block_size;
895 fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	244 ptrdiff_t landing_pad;
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	245 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	246
44f08170f4ef Removed tango from the repository and instead added a 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 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	248 // 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	249 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	250 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	251
44f08170f4ef Removed tango from the repository and instead added a 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 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	253 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	254 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	255 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	256 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	257 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	258
895 fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	259 debug(EH_personality_verbose) printf("ip=%llx %d %d %llx\n", ip, block_start_offset, block_size, landing_pad);
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	260
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	262 // 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	263 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	264 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	265
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	267 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	268 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	269 }
44f08170f4ef Removed tango from the repository and instead added a 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
44f08170f4ef Removed tango from the repository and instead added a 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 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	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 // 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	274 // 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	275 // 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	276 _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	277
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	279 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	280 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	281
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	283 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	284 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	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 /*
44f08170f4ef Removed tango from the repository and instead added a 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 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	288 */
44f08170f4ef Removed tango from the repository and instead added a 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 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	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 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	292 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	293 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	294 // 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	295 // 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	296 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	297
44f08170f4ef Removed tango from the repository and instead added a 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 // negative are 'filters' which we don't use
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	299 if(!(ti_offset >= 0))
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	300 fatalerror("Filter actions are unsupported");
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	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 // 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	303 if(ti_offset == 0) {
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	304 if(!(next_action_offset == 0))
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	305 fatalerror("Cleanup action must be last in chain");
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	306 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	307 }
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	310 // exception structure is a base
794 661384d6a936 Fix warnings on x86-64. By fvbommel. Christian Kamm <kamm incasoftware de> parents: 741 diff changeset	311 ClassInfo catch_ci = *(classinfo_table - ti_offset);
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	312 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	313 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	314 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	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 // 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	317 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	318 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	319 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	320 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	321 }
44f08170f4ef Removed tango from the repository and instead added a 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
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	323 fatalerror("reached unreachable");
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	324 return _Unwind_Reason_Code.FATAL_PHASE1_ERROR;
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	325 }
44f08170f4ef Removed tango from the repository and instead added a 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
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	328 // 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	329 // will pick up.
897 c6f16c3f377b Fix x86-64 exception handling #180. Thanks pcwalton! Christian Kamm <kamm incasoftware de> parents: 895 diff changeset	330 // Hints for these can be found by looking at the
c6f16c3f377b Fix x86-64 exception handling #180. Thanks pcwalton! Christian Kamm <kamm incasoftware de> parents: 895 diff changeset	331 // EH_RETURN_DATA_REGNO macro in GCC, careful testing
c6f16c3f377b Fix x86-64 exception handling #180. Thanks pcwalton! Christian Kamm <kamm incasoftware de> parents: 895 diff changeset	332 // is required though.
741 4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	333 version (X86_64)
4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	334 {
897 c6f16c3f377b Fix x86-64 exception handling #180. Thanks pcwalton! Christian Kamm <kamm incasoftware de> parents: 895 diff changeset	335 private int eh_exception_regno = 0;
741 4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	336 private int eh_selector_regno = 1;
4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	337 } else {
4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	338 private int eh_exception_regno = 0;
4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	339 private int eh_selector_regno = 2;
4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	340 }
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	341
895 fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	342 private _Unwind_Reason_Code _d_eh_install_catch_context(_Unwind_Action actions, ptrdiff_t switchval, ptrdiff_t landing_pad, _d_exception* exception_struct, _Unwind_Context_Ptr context)
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	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 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	345
44f08170f4ef Removed tango from the repository and instead added a 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 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	347 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	348
44f08170f4ef Removed tango from the repository and instead added a 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 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	350 {
44f08170f4ef Removed tango from the repository and instead added a 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 debug(EH_personality) printf("Setting switch value to: %d!\n", switchval);
895 fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	352 _Unwind_SetGR(context, eh_exception_regno, cast(ptrdiff_t)cast(void*)(exception_struct.exception_object));
fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	353 _Unwind_SetGR(context, eh_selector_regno, cast(ptrdiff_t)switchval);
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	354 _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	355 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	356 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	357
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	358 fatalerror("reached unreachable");
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	359 return _Unwind_Reason_Code.FATAL_PHASE2_ERROR;
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	360 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	361
895 fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	362 private _Unwind_Reason_Code _d_eh_install_finally_context(_Unwind_Action actions, ptrdiff_t landing_pad, _d_exception* exception_struct, _Unwind_Context_Ptr context)
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	363 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	364 // 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	365 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	366 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	367
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	368 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	369
895 fb4853c46917 Apply pcwalton's eh runtime portability fix. Christian Kamm <kamm incasoftware de> parents: 872 diff changeset	370 _Unwind_SetGR(context, eh_exception_regno, cast(ptrdiff_t)exception_struct);
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	371 _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	372 _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	373 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	374 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	375
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	376 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	377 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	378 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	379
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	380 //TODO: Do proper DWARF reading here
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	381 if(*data++ != 0xff)
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	382 fatalerror("DWARF header has unexpected format 1");
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	383
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	384 if(*data++ != 0x00)
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	385 fatalerror("DWARF header has unexpected format 2");
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	386 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	387 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	388 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	389
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	390 if(*data++ != 0x03)
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	391 fatalerror("DWARF header has unexpected format 3");
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	392 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	393 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	394 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	395
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	396 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	397 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	398
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	399 } // 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	400
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	401
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	402 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	403 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	404 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	405 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	406 _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	407 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	408 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	409 _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	410 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	411 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	412 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	413 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	414
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	415 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	416 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	417 _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	418 }

Mercurial > projects > ldc

annotate runtime/internal/eh.d @ 898:db3f8e7d79d2