projects/ldc: tango/lib/compiler/llvmdc/eh.d annotate

annotate tango/lib/compiler/llvmdc/eh.d @ 373:d1574e142e93 trunk

[svn r394] Fixed the new DtoNullValue function

author	lindquist
date	Tue, 15 Jul 2008 15:16:56 +0200
parents	5bea8a1ef905
children	3ad8295cfac6

rev	line source
330 5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	1 /**
5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	2 * This module contains functions and structures required for
5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	3 * exception handling.
133 44a95ac7368a [svn r137] Many fixes towards tango.io.Console working, but not quite there yet... lindquist parents: diff changeset	4 */
330 5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	5 module eh;
133 44a95ac7368a [svn r137] Many fixes towards tango.io.Console working, but not quite there yet... lindquist parents: diff changeset	6
44a95ac7368a [svn r137] Many fixes towards tango.io.Console working, but not quite there yet... lindquist parents: diff changeset	7 import util.console;
44a95ac7368a [svn r137] Many fixes towards tango.io.Console working, but not quite there yet... lindquist parents: diff changeset	8
319 e9c93739bc4c [svn r340] Rework exception handling to work with nested tryfinally and trycatch. ChristianK parents: 318 diff changeset	9 // debug = EH_personality;
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	10
133 44a95ac7368a [svn r137] Many fixes towards tango.io.Console working, but not quite there yet... lindquist parents: diff changeset	11 private extern(C) void abort();
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	12 private extern(C) int printf(char*, ...);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	13
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	14 // D runtime functions
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	15 extern(C) {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	16 int _d_isbaseof(ClassInfo oc, ClassInfo c);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	17 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	18
330 5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	19 // libunwind headers
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	20 extern(C)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	21 {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	22 enum _Unwind_Reason_Code
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	23 {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	24 NO_REASON = 0,
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	25 FOREIGN_EXCEPTION_CAUGHT = 1,
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	26 FATAL_PHASE2_ERROR = 2,
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	27 FATAL_PHASE1_ERROR = 3,
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	28 NORMAL_STOP = 4,
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	29 END_OF_STACK = 5,
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	30 HANDLER_FOUND = 6,
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	31 INSTALL_CONTEXT = 7,
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	32 CONTINUE_UNWIND = 8
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	33 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	34
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	35 enum _Unwind_Action
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	36 {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	37 SEARCH_PHASE = 1,
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	38 CLEANUP_PHASE = 2,
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	39 HANDLER_PHASE = 3,
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	40 FORCE_UNWIND = 4
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	41 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	42
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	43 alias void* _Unwind_Context_Ptr;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	44
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	45 alias void function(_Unwind_Reason_Code, _Unwind_Exception*) _Unwind_Exception_Cleanup_Fn;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	46
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	47 struct _Unwind_Exception
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	48 {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	49 char[8] exception_class;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	50 _Unwind_Exception_Cleanup_Fn exception_cleanup;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	51 int private_1;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	52 int private_2;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	53 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	54
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	55 void _Unwind_Resume(_Unwind_Exception*);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	56 _Unwind_Reason_Code _Unwind_RaiseException(_Unwind_Exception*);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	57 ulong _Unwind_GetLanguageSpecificData(_Unwind_Context_Ptr context);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	58 ulong _Unwind_GetIP(_Unwind_Context_Ptr context);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	59 ulong _Unwind_SetIP(_Unwind_Context_Ptr context, ulong new_value);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	60 ulong _Unwind_SetGR(_Unwind_Context_Ptr context, int index, ulong new_value);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	61 ulong _Unwind_GetRegionStart(_Unwind_Context_Ptr context);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	62 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	63
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	64
330 5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	65 // helpers for reading certain DWARF data
5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	66 //TODO: It may not be a good idea to use exceptions for error handling within exception handling code
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	67 private ubyte* get_uleb128(ubyte* addr, ref size_t res)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	68 {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	69 res = 0;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	70 size_t bitsize = 0;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	71
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	72 // read as long as high bit is set
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	73 while(*addr & 0x80) {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	74 res \|= (*addr & 0x7f) << bitsize;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	75 bitsize += 7;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	76 addr += 1;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	77 if(bitsize >= size_t.sizeof*8)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	78 throw new Exception("tried to read uleb128 that exceeded size of size_t");
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	79 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	80 // read last
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	81 if(bitsize != 0 && addr >= 1 << size_t.sizeof8 - bitsize)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	82 throw new Exception("tried to read uleb128 that exceeded size of size_t");
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	83 res \|= (*addr) << bitsize;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	84
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	85 return addr + 1;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	86 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	87
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	88 private ubyte* get_sleb128(ubyte* addr, ref ptrdiff_t res)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	89 {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	90 res = 0;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	91 size_t bitsize = 0;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	92
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	93 // read as long as high bit is set
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	94 while(*addr & 0x80) {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	95 res \|= (*addr & 0x7f) << bitsize;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	96 bitsize += 7;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	97 addr += 1;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	98 if(bitsize >= size_t.sizeof*8)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	99 throw new Exception("tried to read sleb128 that exceeded size of size_t");
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	100 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	101 // read last
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	102 if(bitsize != 0 && addr >= 1 << size_t.sizeof8 - bitsize)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	103 throw new Exception("tried to read sleb128 that exceeded size of size_t");
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	104 res \|= (*addr) << bitsize;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	105
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	106 // take care of sign
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	107 if(bitsize < size_t.sizeof8 && ((addr) & 0x40))
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	108 res \|= cast(ptrdiff_t)(-1) ^ ((1 << (bitsize+7)) - 1);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	109
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	110 return addr + 1;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	111 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	112
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	113
330 5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	114 // exception struct used by the runtime.
5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	115 // _d_throw allocates a new instance and passes the address of its
5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	116 // _Unwind_Exception member to the unwind call. The personality
5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	117 // routine is then able to get the whole struct by looking at the data
5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	118 // surrounding the unwind info.
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	119 struct _d_exception
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	120 {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	121 Object exception_object;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	122 _Unwind_Exception unwind_info;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	123 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	124
330 5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	125 // the 8-byte string identifying the type of exception
5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	126 // the first 4 are for vendor, the second 4 for language
5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	127 //TODO: This may be the wrong way around
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	128 char[8] _d_exception_class = "LLDCD1\0\0";
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	129
330 5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	130 // the personality routine gets called by the unwind handler and is responsible for
5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	131 // reading the EH tables and deciding what to do
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	132 extern(C) _Unwind_Reason_Code _d_eh_personality(int ver, _Unwind_Action actions, ulong exception_class, _Unwind_Exception* exception_info, _Unwind_Context_Ptr context)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	133 {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	134 // check ver: the C++ Itanium ABI only allows ver == 1
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	135 if(ver != 1)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	136 return _Unwind_Reason_Code.FATAL_PHASE1_ERROR;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	137
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	138 // check exceptionClass
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	139 //TODO: Treat foreign exceptions with more respect
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	140 if((cast(char*)&exception_class)[0..8] != _d_exception_class)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	141 return _Unwind_Reason_Code.FATAL_PHASE1_ERROR;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	142
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	143 // find call site table, action table and classinfo table
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	144 // Note: callsite and action tables do not contain static-length
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	145 // data and will be parsed as needed
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	146 // Note: classinfo_table points past the end of the table
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	147 ubyte* callsite_table;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	148 ubyte* action_table;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	149 ClassInfo* classinfo_table;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	150 _d_getLanguageSpecificTables(context, callsite_table, action_table, classinfo_table);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	151
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	152
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	153 /*
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	154 find landing pad and action table index belonging to ip by walking
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	155 the callsite_table
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	156 */
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	157 ubyte* callsite_walker = callsite_table;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	158
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	159 // get the instruction pointer
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	160 // will be used to find the right entry in the callsite_table
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	161 // -1 because it will point past the last instruction
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	162 ulong ip = _Unwind_GetIP(context) - 1;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	163
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	164 // address block_start is relative to
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	165 ulong region_start = _Unwind_GetRegionStart(context);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	166
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	167 // table entries
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	168 uint block_start_offset, block_size;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	169 ulong landing_pad;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	170 size_t action_offset;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	171
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	172 while(true) {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	173 // if we've gone through the list and found nothing...
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	174 if(callsite_walker >= action_table)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	175 return _Unwind_Reason_Code.CONTINUE_UNWIND;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	176
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	177 block_start_offset = cast(uint)callsite_walker;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	178 block_size = (cast(uint)callsite_walker + 1);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	179 landing_pad = (cast(uint)callsite_walker + 2);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	180 if(landing_pad)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	181 landing_pad += region_start;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	182 callsite_walker = get_uleb128(callsite_walker + 3*uint.sizeof, action_offset);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	183
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	184 debug(EH_personality_verbose) printf("%d %d %d\n", block_start_offset, block_size, landing_pad);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	185
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	186 // since the list is sorted, as soon as we're past the ip
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	187 // there's no handler to be found
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	188 if(ip < region_start + block_start_offset)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	189 return _Unwind_Reason_Code.CONTINUE_UNWIND;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	190
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	191 // if we've found our block, exit
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	192 if(ip < region_start + block_start_offset + block_size)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	193 break;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	194 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	195
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	196 debug(EH_personality) printf("Found correct landing pad and actionOffset %d\n", action_offset);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	197
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	198 // now we need the exception's classinfo to find a handler
330 5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	199 // the exception_info is actually a member of a larger _d_exception struct
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	200 // the runtime allocated. get that now
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	201 _d_exception* exception_struct = cast(_d_exception)(cast(ubyte)exception_info - _d_exception.unwind_info.offsetof);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	202
330 5bea8a1ef905 [svn r351] Remove unused runtime file for DMD-style exception handling. ChristianK parents: 319 diff changeset	203 // if there's no action offset and no landing pad, continue unwinding
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	204 if(!action_offset && !landing_pad)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	205 return _Unwind_Reason_Code.CONTINUE_UNWIND;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	206
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	207 // if there's no action offset but a landing pad, this is a cleanup handler
318 8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	208 else if(!action_offset && landing_pad)
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	209 return _d_eh_install_finally_context(actions, landing_pad, exception_struct, context);
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	210
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	211 /*
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	212 walk action table chain, comparing classinfos using _d_isbaseof
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	213 */
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	214 ubyte* action_walker = action_table + action_offset - 1;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	215
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	216 ptrdiff_t ti_offset, next_action_offset;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	217 while(true) {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	218 action_walker = get_sleb128(action_walker, ti_offset);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	219 // it is intentional that we not modify action_walker here
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	220 // next_action_offset is from current action_walker position
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	221 get_sleb128(action_walker, next_action_offset);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	222
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	223 // negative are 'filters' which we don't use
318 8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	224 assert(ti_offset >= 0 && "Filter actions are unsupported");
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	225
318 8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	226 // zero means cleanup, which we require to be the last action
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	227 if(ti_offset == 0) {
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	228 assert(next_action_offset == 0 && "Cleanup action must be last in chain");
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	229 return _d_eh_install_finally_context(actions, landing_pad, exception_struct, context);
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	230 }
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	231
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	232 // get classinfo for action and check if the one in the
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	233 // exception structure is a base
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	234 ClassInfo catch_ci = classinfo_table[-ti_offset];
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	235 debug(EH_personality) printf("Comparing catch %s to exception %s\n", catch_ci.name.ptr, exception_struct.exception_object.classinfo.name.ptr);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	236 if(_d_isbaseof(exception_struct.exception_object.classinfo, catch_ci))
318 8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	237 return _d_eh_install_catch_context(actions, ti_offset, landing_pad, exception_struct, context);
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	238
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	239 // we've walked through all actions and found nothing...
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	240 if(next_action_offset == 0)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	241 return _Unwind_Reason_Code.CONTINUE_UNWIND;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	242 else
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	243 action_walker += next_action_offset;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	244 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	245
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	246 assert(false);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	247 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	248
318 8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	249 // These are the register numbers for SetGR that
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	250 // llvm's eh.exception and eh.selector intrinsics
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	251 // will pick up.
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	252 // Found by trial-and-error and probably platform dependent!
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	253 private int eh_exception_regno = 0;
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	254 private int eh_selector_regno = 2;
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	255
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	256 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)
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	257 {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	258 debug(EH_personality) printf("Found catch clause!\n");
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	259
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	260 if(actions & _Unwind_Action.SEARCH_PHASE)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	261 return _Unwind_Reason_Code.HANDLER_FOUND;
318 8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	262
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	263 else if(actions & _Unwind_Action.HANDLER_PHASE)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	264 {
319 e9c93739bc4c [svn r340] Rework exception handling to work with nested tryfinally and trycatch. ChristianK parents: 318 diff changeset	265 debug(EH_personality) printf("Setting switch value to: %d!\n", switchval);
318 8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	266 _Unwind_SetGR(context, eh_exception_regno, cast(ulong)cast(void*)(exception_struct.exception_object));
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	267 _Unwind_SetGR(context, eh_selector_regno, switchval);
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	268 _Unwind_SetIP(context, landing_pad);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	269 return _Unwind_Reason_Code.INSTALL_CONTEXT;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	270 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	271
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	272 assert(false);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	273 }
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	274
318 8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	275 private _Unwind_Reason_Code _d_eh_install_finally_context(_Unwind_Action actions, ulong landing_pad, _d_exception* exception_struct, _Unwind_Context_Ptr context)
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	276 {
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	277 // if we're merely in search phase, continue
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	278 if(actions & _Unwind_Action.SEARCH_PHASE)
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	279 return _Unwind_Reason_Code.CONTINUE_UNWIND;
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	280
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	281 debug(EH_personality) printf("Calling cleanup routine...\n");
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	282
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	283 _Unwind_SetGR(context, eh_exception_regno, cast(ulong)exception_struct);
319 e9c93739bc4c [svn r340] Rework exception handling to work with nested tryfinally and trycatch. ChristianK parents: 318 diff changeset	284 _Unwind_SetGR(context, eh_selector_regno, 0);
318 8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	285 _Unwind_SetIP(context, landing_pad);
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	286 return _Unwind_Reason_Code.INSTALL_CONTEXT;
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	287 }
8e570dbe4087 [svn r339] Add cleanup handling when within an action chain and some more documentation to the eh personality function. ChristianK parents: 314 diff changeset	288
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	289 private void _d_getLanguageSpecificTables(_Unwind_Context_Ptr context, ref ubyte* callsite, ref ubyte* action, ref ClassInfo* ci)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	290 {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	291 ubyte* data = cast(ubyte*)_Unwind_GetLanguageSpecificData(context);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	292
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	293 //TODO: Do proper DWARF reading here
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	294 assert(*data++ == 0xff);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	295
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	296 assert(*data++ == 0x00);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	297 size_t cioffset;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	298 data = get_uleb128(data, cioffset);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	299 ci = cast(ClassInfo*)(data + cioffset);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	300
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	301 assert(*data++ == 0x03);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	302 size_t callsitelength;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	303 data = get_uleb128(data, callsitelength);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	304 action = data + callsitelength;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	305
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	306 callsite = data;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	307 }
133 44a95ac7368a [svn r137] Many fixes towards tango.io.Console working, but not quite there yet... lindquist parents: diff changeset	308
44a95ac7368a [svn r137] Many fixes towards tango.io.Console working, but not quite there yet... lindquist parents: diff changeset	309 extern(C) void _d_throw_exception(Object e)
44a95ac7368a [svn r137] Many fixes towards tango.io.Console working, but not quite there yet... lindquist parents: diff changeset	310 {
44a95ac7368a [svn r137] Many fixes towards tango.io.Console working, but not quite there yet... lindquist parents: diff changeset	311 if (e !is null)
44a95ac7368a [svn r137] Many fixes towards tango.io.Console working, but not quite there yet... lindquist parents: diff changeset	312 {
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	313 _d_exception* exc_struct = new _d_exception;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	314 exc_struct.unwind_info.exception_class[] = _d_exception_class;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	315 exc_struct.exception_object = e;
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	316 _Unwind_Reason_Code ret = _Unwind_RaiseException(&exc_struct.unwind_info);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	317 console("_Unwind_RaiseException failed with reason code: ")(ret)("\n");
133 44a95ac7368a [svn r137] Many fixes towards tango.io.Console working, but not quite there yet... lindquist parents: diff changeset	318 }
44a95ac7368a [svn r137] Many fixes towards tango.io.Console working, but not quite there yet... lindquist parents: diff changeset	319 abort();
44a95ac7368a [svn r137] Many fixes towards tango.io.Console working, but not quite there yet... lindquist parents: diff changeset	320 }
314 8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	321
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	322 extern(C) void _d_eh_resume_unwind(_d_exception* exception_struct)
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	323 {
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	324 _Unwind_Resume(&exception_struct.unwind_info);
8d98e42ece93 [svn r335] The basics of exception handling are in place. ChristianK parents: 133 diff changeset	325 }

Mercurial > projects > ldc

annotate tango/lib/compiler/llvmdc/eh.d @ 373:d1574e142e93 trunk