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

annotate runtime/internal/eh.d @ 883:b52d5de7783f

GC defines and linkage changes.

author	Christian Kamm <kamm incasoftware de>
date	Thu, 08 Jan 2009 18:20:02 +0100
parents	aa953cc960b6
children	fb4853c46917

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
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	24 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	25 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	26 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	27
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	28 // 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	29 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	30 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	31 }
44f08170f4ef Removed tango from the repository and instead added a 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
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	34 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	35 {
44f08170f4ef Removed tango from the repository and instead added a 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 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	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 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	39 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	40 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	41 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	42 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	43 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	44 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	45 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	46 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	47 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	48
44f08170f4ef Removed tango from the repository and instead added a 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 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	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 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	52 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	53 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	54 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	55 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	56
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	57 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	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 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	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 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	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 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	64 _Unwind_Exception_Cleanup_Fn exception_cleanup;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	65 int private_1;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	66 int private_2;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	67 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	68
557 aef77ae1d32c Enable unwind code on darwin. Christian Kamm <kamm incasoftware de> parents: 495 diff changeset	69 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	70 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	71 void _Unwind_Resume(_Unwind_Exception*);
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	72 _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	73 ulong _Unwind_GetLanguageSpecificData(_Unwind_Context_Ptr context);
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	74 ulong _Unwind_GetIP(_Unwind_Context_Ptr context);
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	75 ulong _Unwind_SetIP(_Unwind_Context_Ptr context, ulong new_value);
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	76 ulong _Unwind_SetGR(_Unwind_Context_Ptr context, int index, ulong new_value);
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	77 ulong _Unwind_GetRegionStart(_Unwind_Context_Ptr context);
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	78 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	79 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	80 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	81 // 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	82 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	83 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	84 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	85 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	86 _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	87 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	88 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	89 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	90 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	91 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	92
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	93 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	94
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	95 // error and exit
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	96 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	97 {
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	98 va_list args;
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	99 va_start(args, format);
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	100 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	101 vprintf(format, args);
d94655ccbe4d Fixed EH fatalerror printf'ing. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 494 diff changeset	102 printf("\n");
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	103 abort();
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	104 }
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	105
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	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 // 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	108 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	109 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	110 res = 0;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	111 size_t bitsize = 0;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	112
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	113 // read as long as high bit is set
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	114 while(*addr & 0x80) {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	115 res \|= (*addr & 0x7f) << bitsize;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	116 bitsize += 7;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	117 addr += 1;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	118 if(bitsize >= size_t.sizeof*8)
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	119 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	120 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	121 // read last
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	122 if(bitsize != 0 && addr >= 1 << size_t.sizeof8 - bitsize)
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	123 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	124 res \|= (*addr) << bitsize;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	125
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	126 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	127 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	128
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	129 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	130 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	131 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	132 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	133
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	134 // 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	135 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	136 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	137 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	138 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	139 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	140 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	141 }
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	143 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	144 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	145 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	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 // 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	148 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	149 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	150
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	151 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	152 }
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	156 // _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	157 // _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	158 // 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	159 // 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	160 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	161 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	162 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	163 _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	164 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	165
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	166 // 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	167 // 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	168 //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	169 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	170
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	171
44f08170f4ef Removed tango from the repository and instead added a 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 //
557 aef77ae1d32c Enable unwind code on darwin. Christian Kamm <kamm incasoftware de> parents: 495 diff changeset	173 // 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	174 // 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	175 //
741 4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	176 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	177 {
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	180 // 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	181 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	182 {
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	184 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	185 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	186
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	187 // 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	188 //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	189 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	190 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	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 // 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	193 // 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	194 // 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	195 // 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	196 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	197 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	198 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	199 _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	200
44f08170f4ef Removed tango from the repository and instead added a 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
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	202 /*
44f08170f4ef Removed tango from the repository and instead added a 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 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	204 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	205 */
44f08170f4ef Removed tango from the repository and instead added a 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 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	207
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	209 // 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	210 // -1 because it will point past the last instruction
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	211 ulong ip = _Unwind_GetIP(context) - 1;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	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 // address block_start is relative to
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	214 ulong region_start = _Unwind_GetRegionStart(context);
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	215
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	217 uint block_start_offset, block_size;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	218 ulong landing_pad;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	219 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	220
44f08170f4ef Removed tango from the repository and instead added a 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 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	222 // 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	223 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	224 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	225
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	226 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	227 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	228 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	229 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	230 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	231 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	232
44f08170f4ef Removed tango from the repository and instead added a 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 debug(EH_personality_verbose) printf("%d %d %d\n", block_start_offset, block_size, landing_pad);
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	234
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	235 // 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	236 // 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	237 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	238 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	239
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	240 // 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	241 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	242 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	243 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	244
44f08170f4ef Removed tango from the repository and instead added a 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 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	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 // 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	248 // 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	249 // 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	250 _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	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 // 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	253 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	254 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	255
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	257 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	258 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	259
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	260 /*
44f08170f4ef Removed tango from the repository and instead added a 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 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	262 */
44f08170f4ef Removed tango from the repository and instead added a 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 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	264
44f08170f4ef Removed tango from the repository and instead added a 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 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	266 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	267 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	268 // 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	269 // 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	270 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	271
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	273 if(!(ti_offset >= 0))
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	274 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	275
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	276 // 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	277 if(ti_offset == 0) {
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	278 if(!(next_action_offset == 0))
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	279 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	280 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	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
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	284 // exception structure is a base
794 661384d6a936 Fix warnings on x86-64. By fvbommel. Christian Kamm <kamm incasoftware de> parents: 741 diff changeset	285 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	286 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	287 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	288 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	289
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	291 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	292 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	293 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	294 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	295 }
44f08170f4ef Removed tango from the repository and instead added a 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
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	297 fatalerror("reached unreachable");
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	298 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	299 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	300
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	302 // 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	303 // will pick up.
741 4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	304 // Found by trial-and-error :/
4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	305 version (X86_64)
4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	306 {
4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	307 private int eh_exception_regno = 3;
4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	308 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	309 } else {
4ac97ec7c18e Applied easy part from wilsonk's x86-64 patch in #107 Christian Kamm <kamm incasoftware de> parents: 663 diff changeset	310 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	311 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	312 }
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	313
44f08170f4ef Removed tango from the repository and instead added a 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 private _Unwind_Reason_Code _d_eh_install_catch_context(_Unwind_Action actions, ptrdiff_t switchval, ulong landing_pad, _d_exception* exception_struct, _Unwind_Context_Ptr context)
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	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 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	317
44f08170f4ef Removed tango from the repository and instead added a 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 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	319 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	320
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	321 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	322 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	323 debug(EH_personality) printf("Setting switch value to: %d!\n", switchval);
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	324 _Unwind_SetGR(context, eh_exception_regno, cast(ulong)cast(void*)(exception_struct.exception_object));
794 661384d6a936 Fix warnings on x86-64. By fvbommel. Christian Kamm <kamm incasoftware de> parents: 741 diff changeset	325 _Unwind_SetGR(context, eh_selector_regno, cast(ulong)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	326 _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	327 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	328 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	329
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	330 fatalerror("reached unreachable");
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	331 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	332 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	333
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	334 private _Unwind_Reason_Code _d_eh_install_finally_context(_Unwind_Action actions, ulong landing_pad, _d_exception* exception_struct, _Unwind_Context_Ptr context)
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	335 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	336 // 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	337 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	338 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	339
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	340 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	341
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	342 _Unwind_SetGR(context, eh_exception_regno, cast(ulong)exception_struct);
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	343 _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	344 _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	345 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	346 }
44f08170f4ef Removed tango from the repository and instead added a 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
44f08170f4ef Removed tango from the repository and instead added a 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 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	349 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	350 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	351
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	352 //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	353 if(*data++ != 0xff)
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	354 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	355
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	356 if(*data++ != 0x00)
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	357 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	358 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	359 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	360 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	361
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	362 if(*data++ != 0x03)
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	363 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	364 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	365 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	366 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	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 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	369 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	370
44f08170f4ef Removed tango from the repository and instead added a 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 } // 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	372
44f08170f4ef Removed tango from the repository and instead added a 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
44f08170f4ef Removed tango from the repository and instead added a 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 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	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 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	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 _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	379 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	380 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	381 _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	382 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	383 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	384 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	385 }
44f08170f4ef Removed tango from the repository and instead added a 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
44f08170f4ef Removed tango from the repository and instead added a 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 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	388 {
44f08170f4ef Removed tango from the repository and instead added a 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 _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	390 }

Mercurial > projects > ldc

annotate runtime/internal/eh.d @ 883:b52d5de7783f