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

annotate runtime/internal/eh.d @ 557:aef77ae1d32c

Enable unwind code on darwin.

author	Christian Kamm <kamm incasoftware de>
date	Fri, 29 Aug 2008 14:16:18 +0200
parents	d94655ccbe4d
children	6aaa3d3c1183

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;
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	8 import llvmdc.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;
aef77ae1d32c Enable unwind code on darwin. Christian Kamm <kamm incasoftware de> parents: 495 diff changeset	17 }
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	18
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	19 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	20 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	21 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	22
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	24 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	25 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	26 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	27
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	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 {
44f08170f4ef Removed tango from the repository and instead added a 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 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	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 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	34 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	35 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	36 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	37 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	38 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	39 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	40 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	41 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	42 }
44f08170f4ef Removed tango from the repository and instead added a 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
44f08170f4ef Removed tango from the repository and instead added a 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 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	45 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	46 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	47 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	48 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	49 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	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
44f08170f4ef Removed tango from the repository and instead added a 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 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	53
44f08170f4ef Removed tango from the repository and instead added a 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 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	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 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	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 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	59 _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	60 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	61 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	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
557 aef77ae1d32c Enable unwind code on darwin. Christian Kamm <kamm incasoftware de> parents: 495 diff changeset	64 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	65 {
44f08170f4ef Removed tango from the repository and instead added a 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 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	67 _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	68 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	69 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	70 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	71 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	72 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	73 }
44f08170f4ef Removed tango from the repository and instead added a 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 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	75 {
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	77 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	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 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	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 _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	82 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	83 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	84 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	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 }
44f08170f4ef Removed tango from the repository and instead added a 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 }
44f08170f4ef Removed tango from the repository and instead added a 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
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	90 // error and exit
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	91 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	92 {
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	93 va_list args;
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	94 va_start(args, format);
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	95 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	96 vprintf(format, args);
d94655ccbe4d Fixed EH fatalerror printf'ing. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: 494 diff changeset	97 printf("\n");
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	98 abort();
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	99 }
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	100
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	101
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	102 // 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	103 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	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 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	106 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	107
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	108 // 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	109 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	110 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	111 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	112 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	113 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	114 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	115 }
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	117 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	118 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	119 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	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 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	122 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	123
44f08170f4ef Removed tango from the repository and instead added a 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 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	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 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	127 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	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 // 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	130 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	131 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	132 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	133 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	134 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	135 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	136 }
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	138 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	139 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	140 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	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 // 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	143 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	144 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	145
44f08170f4ef Removed tango from the repository and instead added a 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 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	147 }
44f08170f4ef Removed tango from the repository and instead added a 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
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	149
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	150 // 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	151 // _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	152 // _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	153 // 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	154 // 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	155 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	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 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	158 _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	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
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	162 // 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	163 //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	164 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	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
44f08170f4ef Removed tango from the repository and instead added a 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 //
557 aef77ae1d32c Enable unwind code on darwin. Christian Kamm <kamm incasoftware de> parents: 495 diff changeset	168 // 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	169 // 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	170 //
557 aef77ae1d32c Enable unwind code on darwin. Christian Kamm <kamm incasoftware de> parents: 495 diff changeset	171 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	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
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	175 // 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	176 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	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 // 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	179 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	180 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	181
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	182 // 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	183 //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	184 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	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 // 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	188 // 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	189 // 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	190 // 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	191 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	192 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	193 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	194 _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	195
44f08170f4ef Removed tango from the repository and instead added a 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 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	199 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	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 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	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 // 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	204 // 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	205 // -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	206 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	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 // 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	209 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	210
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	212 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	213 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	214 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	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 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	217 // 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	218 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	219 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	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 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	222 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	223 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	224 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	225 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	226 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	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 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	229
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	231 // 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	232 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	233 return _Unwind_Reason_Code.CONTINUE_UNWIND;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	234
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	235 // if 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	236 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	237 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	238 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	239
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	240 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	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 // 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	243 // 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	244 // 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	245 _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	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 // 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	248 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	249 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	250
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	251 // 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	252 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	253 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	254
44f08170f4ef Removed tango from the repository and instead added a 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 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	257 */
44f08170f4ef Removed tango from the repository and instead added a 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 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	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 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	261 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	262 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	263 // 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	264 // 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	265 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	266
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	267 // 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	268 if(!(ti_offset >= 0))
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	269 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	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 // 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	272 if(ti_offset == 0) {
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	273 if(!(next_action_offset == 0))
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	274 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	275 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	276 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	277
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	279 // exception structure is a base
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	280 ClassInfo catch_ci = classinfo_table[-ti_offset];
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	281 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	282 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	283 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	284
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	286 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	287 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	288 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	289 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	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
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	292 fatalerror("reached unreachable");
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	293 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	294 }
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	297 // 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	298 // will pick up.
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	299 // Found by trial-and-error and probably platform dependent!
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	300 private int eh_exception_regno = 0;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	301 private int eh_selector_regno = 2;
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	302
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	303 private _Unwind_Reason_Code _d_eh_install_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	304 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	305 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	306
44f08170f4ef Removed tango from the repository and instead added a 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 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	308 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	309
44f08170f4ef Removed tango from the repository and instead added a 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 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	311 {
44f08170f4ef Removed tango from the repository and instead added a 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("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	313 _Unwind_SetGR(context, eh_exception_regno, cast(ulong)cast(void*)(exception_struct.exception_object));
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	314 _Unwind_SetGR(context, eh_selector_regno, switchval);
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	315 _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	316 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	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
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	319 fatalerror("reached unreachable");
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	320 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	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
44f08170f4ef Removed tango from the repository and instead added a 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 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	324 {
44f08170f4ef Removed tango from the repository and instead added a 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 // 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	326 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	327 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	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 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	330
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	331 _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	332 _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	333 _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	334 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	335 }
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	336
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	337 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	338 {
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	339 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	340
44f08170f4ef Removed tango from the repository and instead added a 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 //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	342 if(*data++ != 0xff)
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	343 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	344
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	345 if(*data++ != 0x00)
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	346 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	347 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	348 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	349 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	350
494 29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	351 if(*data++ != 0x03)
29b901b6b346 Get rid of exception usage in exception handling code. Christian Kamm <kamm incasoftware de> parents: 443 diff changeset	352 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	353 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	354 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	355 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	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 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	358 }
44f08170f4ef Removed tango from the repository and instead added a 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
44f08170f4ef Removed tango from the repository and instead added a 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 } // 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	361
44f08170f4ef Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn. Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> parents: diff changeset	362
44f08170f4ef Removed tango from the repository and instead added a 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 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	364 {
44f08170f4ef Removed tango from the repository and instead added a 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 (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	366 {
44f08170f4ef Removed tango from the repository and instead added a 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 _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	368 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	369 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	370 _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	371 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	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 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	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 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	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 _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	379 }

Mercurial > projects > ldc

annotate runtime/internal/eh.d @ 557:aef77ae1d32c