| 879 | } |
| 880 | |
| 881 | void dapiStackWalk ( StackWalkerPtr walker, Context & context, const LineInfo & at ) { |
| 882 | #if DAS_ENABLE_STACK_WALK |
| 883 | char * sp = context.stack.ap(); |
| 884 | const LineInfo * lineAt = &at; |
| 885 | while ( sp < context.stack.top() ) { |
| 886 | Prologue * pp = (Prologue *) sp; |
| 887 | Block * block = nullptr; |
| 888 | FuncInfo * info = nullptr; |
| 889 | char * SP = sp; |
| 890 | if ( pp->info ) { |
| 891 | intptr_t iblock = intptr_t(pp->block); |
| 892 | if ( iblock & 1 ) { |
| 893 | block = (Block *) (iblock & ~1); |
| 894 | info = block->info; |
| 895 | SP = context.stack.bottom() + block->stackOffset; |
| 896 | } else { |
| 897 | info = pp->info; |
| 898 | } |
| 899 | } |
| 900 | auto incr = info ? info->stackSize : pp->stackSize; |
| 901 | if ( incr >= context.stack.size() || incr<sizeof(Prologue) ) { |
| 902 | walker->onCorruptStack(pp); |
| 903 | break; |
| 904 | } |
| 905 | walker->onBeforeCall(pp,SP); |
| 906 | if ( !info ) { |
| 907 | if (pp->is_jit) { |
| 908 | walker->onCallJIT(pp,pp->fileName); |
| 909 | } else { |
| 910 | walker->onCallAOT(pp,pp->fileName); |
| 911 | } |
| 912 | } else if ( pp->line ) { |
| 913 | walker->onCallAt(pp,info,pp->line); |
| 914 | } else { |
| 915 | walker->onCall(pp,info); |
| 916 | } |
| 917 | if ( info ) { |
| 918 | if ( walker->canWalkArguments() ) { |
| 919 | for ( uint32_t i=0, is=info->count; i!=is; ++i ) { |
| 920 | walker->onArgument(info, i, info->fields[i], pp->arguments[i]); |
| 921 | } |
| 922 | } |
| 923 | } |
| 924 | walker->onAfterPrologue(pp,SP); |
| 925 | if ( info && info->locals ) { |
| 926 | if ( walker->canWalkVariables() ) { |
| 927 | walker->onBeforeVariables(); |
| 928 | for ( uint32_t i=0, is=info->localCount; i!=is; ++i ) { |
| 929 | auto lv = info->locals[i]; |
| 930 | bool inScope = lineAt ? lineAt->inside(lv->visibility) : false; |
| 931 | if ( !walker->canWalkOutOfScopeVariables() && !inScope ) { |
| 932 | continue; |
| 933 | } |
| 934 | char * addr = nullptr; |
| 935 | if ( !inScope ) { |
| 936 | addr = nullptr; |
| 937 | } else if ( lv->cmres ) { |
| 938 | addr = (char *)pp->cmres; |
no test coverage detected